CN106669871A - Conical flask for experiment - Google Patents
Conical flask for experiment Download PDFInfo
- Publication number
- CN106669871A CN106669871A CN201611236044.XA CN201611236044A CN106669871A CN 106669871 A CN106669871 A CN 106669871A CN 201611236044 A CN201611236044 A CN 201611236044A CN 106669871 A CN106669871 A CN 106669871A
- Authority
- CN
- China
- Prior art keywords
- bottle body
- air sac
- sac belt
- conical flask
- female thread
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0689—Sealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0848—Specific forms of parts of containers
- B01L2300/0858—Side walls
Abstract
The invention discloses a conical flask for an experiment. The conical flask is formed by an upper flask body and a lower flask body, wherein the upper flask body and the lower flask body are vertically distributed; internal threads are arranged at the inner side of the lower end of the upper flask body; external threads are arranged at the outer side of the upper end of the lower flask body; the internal threads of the upper flask body are externally provided with hollow annular airbag zones; the airbag zones are filled with gases; the outer sides of the airbag zones are adhered to the internal threads of the upper flask body; the airbag zones are positioned between the internal threads and the external threads when the upper flask body and the lower flask body are connected together through the internal threads and the external threads; air bubble zones are formed at the inner side of the upper flask body and the opening positions of the lower flask body as the airbag zones are squeezed by the internal threads and the external threads. The conical flask for the experiment, disclosed by the invention, is convenient to use, and the experiment efficiency is effectively improved.
Description
Technical field
The present invention relates to a kind of biological, conical flask of chemical experiment, belongs to experimental apparatus technical field.
Background technology
Conical flask is initially by Germanization as shown in figure 1, be a kind of common glass apparatus of biological, chemical laboratory
Scholar Li Chaelunmaier (Richard Erlenmeyer) was invented in 1861.Be vertical section made by hard glass be in three
The drop reaction device of angular shape.It is characterized in that mouth is little, bottom big, when being conducive to titration process to be vibrated, reaction fully liquid
It is difficult to spill.The container can be heated in water-bath or electric furnace.Outward appearance in flat coniform, under it is wealthy narrow, have a cylindrical neck
There is an opening wealthy compared with cervical region portion, top, can use the stopper being fabricated to by cork or rubber to close sometimes.It is on body to have several more
Scale, to indicate the capacity to be contained.
Conical flask is generally used in titration experiments.Can spill outside bottle when dripping under in order to prevent volumetric solution, cause experiment
Error, then place the bottle on magnetic stirrer stir.Bottleneck can also be grasped to rock with wrist, you can smoothly stir
Uniformly.Can also be used for containing reactant, quantitative analyses are heated at reflux, and its profile then makes it be very suitable for these work.Its length
Cervical region part except it is convenient plus stopper in addition to, loss when can also slow down heating and avoid chemical substance from overflowing；It is flat and broad as its
Bottom then allow conical flask contain more solution, convenience Glass rod stirring and allow that conical flask keeps flat on the table.
In high secondary school's biotic experiment, conical flask is usually used in the culture of microorganism, in the incubation of microorganism
In, some cultures using conical flask after shake-flask culture is carried out, in addition it is also necessary to cultivated using wide mouthed bottle, different phase, is needed
To adopt different culture utensils, extremely inconvenience.
The content of the invention
It is an object of the invention to provide a kind of convenient use, effectively improves the conical flask of the experiment of conventional efficient.
In order to reach above-mentioned technical purpose, the technical scheme is that：
A kind of experiment conical flask, it is made up of upper bottle body and lower bottle body, and the upper bottle body, lower bottle body are distributed up and down,
The lower end inside of the upper bottle body has a female thread, and the upper end outside of the lower bottle body has an external screw thread, the upper bottle body it is interior
It is provided with outside screw thread in hollow annular air-pocket band, the air sac belt and is filled with gas, the outside of the air sac belt and upper bottle body
Female thread bond together；When the upper bottle body, lower bottle body are linked together by female thread, external screw thread, the air sac belt
Between female thread and external screw thread, the air sac belt by female thread and it is externally threaded be squeezed in upper bottle body inner side, the lower bottle
Bubble band is formed with the opening of body.
Used as the preferred of the present invention, the air sac belt includes multiple vertical edema of the legs during pregnancy capsules, and the plurality of edema of the legs during pregnancy capsule is sequentially connected
Air sac belt is constituted together.
In order that air sac belt has good resistance to elevated temperatures, delaying aging improves service life, the material of the air sac belt
Material selects rubber.
In order to further improve the effect of sealing, on the inside of the upper bottle body, the air sac belt top has collar stop.
Bubble band and ring baffle can form sealing structure.Meanwhile, in order to improve bubble band and the sealing effectiveness before ring baffle,
The bottom surface of the block is circular arc.Circular arc bottom surface and bubble band perfect can be fitted, and improve sealing effectiveness.
Preferably, the neighboring of the air sac belt upper end is circle.This spline structure is easy to air sac belt to form rule in end
Bubble band then, so as to be conducive to sealing, it is to avoid irregular shape affects sealing effectiveness；The shape of rule is also improved simultaneously in
The sealing of air sac belt between screw thread and external screw thread.
For the ease of the connection between upper bottle body, lower bottle body, while being easy to the gas in air sac belt from air sac belt bottom
To the extruding of air sac belt upper end to form sealing bubble band, the bottom of the air sac belt is pointed shape.
The advantage of the experiment conical flask of the present invention：
(1) conical flask is divided into upper bottle body, two parts of lower bottle body, and the entirety for facilitating the operations such as shaking flask is used, also side
Individual be independently operated, such as the use of wide mouthed bottle.For example, the operation of liquid relief is avoided in biological culture, is prevented
The pollution problem of biological culture.
(2) junction between upper bottle body and lower bottle body arranges air sac belt, and the gas in air sac belt guarantees female thread, outer spiral shell
Laminating degree between stricture of vagina and air sac belt so that upper bottle body and lower bottle body junction are seamless, play good sealing function.
(3) upper bottle body, lower bottle body are connected by female thread, external screw thread, and the ridge on female thread, external screw thread withstands air bag
Band, ridge, just as multiple sealing rings form multiple-sealed structure, improves sealing effectiveness with air sac belt.
(4) between upper bottle body, lower bottle body in connection, with connection procedure, the gas in air sac belt is from air sac belt bottom
Extrude to form sealing bubble band to air sac belt upper end, because the gas pressure in bubble band is larger, strengthen upper bottle body and air sac belt,
Laminating degree between lower bottle body and air sac belt, it is to avoid liquid is revealed from the junction between upper bottle body, lower bottle body in conical flask,
So as to play sealing function.
Description of the drawings
Fig. 1 is prior art intermediate cam flask structural representation.
Fig. 2 is the upper bottle body of conical flask of the present invention and lower bottle body schematic diagram.
Fig. 3 is upper bottle body female thread and air bag band structure schematic diagram at female thread.
Fig. 4 is the structural representation of conical flask of the present invention.
Fig. 5 is conical flask upper bottle body of the present invention and lower bottle body junction structural representation.
Fig. 6 is upper bottle body, lower bottle body has the structural representation of collar stop in junction.
Fig. 7 is air sac belt structural representation.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
As shown in Fig. 2 a kind of experiment conical flask, the bottle of the conical flask is by upper bottle body 1 and the structure of lower bottle body 2
Into the upper bottle body 1, lower bottle body are distributed about 2, and the lower end inside of the upper bottle body 1 has female thread 3, the lower bottle body 2
Upper end outside has external screw thread 4, when the upper bottle body 1, lower bottle body 2 are linked together by female thread 3, external screw thread 4.Upper bottle body
1 and lower bottle body 2 separate when, lower bottle body 2 can be used alone, for example, use as wide mouthed bottle.
The hollow annular air-pocket band 5 of closing is provided with the upper bottle body 1 outside female thread 3, in order that air sac belt 5 is with good
Good resistance to elevated temperatures, delaying aging improves service life, and the material of the air sac belt 5 selects rubber, specific such as natural
Glue, butyl rubber etc..Gas is filled with the air sac belt 5, gas leakage causes gas in air sac belt 5 at one in order to avoid air sac belt 5
Body is all revealed, and the air sac belt 5 includes multiple vertical edema of the legs during pregnancy capsules, and the plurality of edema of the legs during pregnancy capsule is laterally connected in turn composition
Air sac belt 5.
As shown in figure 3, the outside of the air sac belt 5 bonds (i.e. bonding) together with female thread 3 on upper bottle body 1, so
The outside of air sac belt 5 just forms the outer layer of female thread 3 on upper bottle body 1, and (i.e. female thread so, is connected in upper bottle body 1, lower bottle body 2
3rd, external screw thread 4 is threaded together) after, the air sac belt 5 is located between female thread 3 and external screw thread 4, as shown in Figure 4.Now, it is described
Air sac belt 5 by female thread 3 and external screw thread 4 be squeezed in the inner side of upper bottle body 1, (the interior spiral shell after connection at the opening of the lower bottle body 2
The top of stricture of vagina 3, external screw thread 4) bubble band 6 is formed with, as shown in Figure 5.Air sac belt 5, gas are set between upper bottle body 1 and lower bottle body 2
Capsule guarantees the laminating degree between female thread 3, external screw thread 4 and air sac belt 5 with the gas in 5 so that upper bottle body 1 and lower bottle body 2 connect
Meet place seamless, play good sealing function.Ridge on female thread 3, external screw thread 4 withstands air sac belt 5, ridge and gas
Capsule band 5 forms multiple-sealed structure just as multiple sealing rings.
As shown in fig. 6, the effect in order to further improve sealing, on the inside of the upper bottle body, the top of the air sac belt 5 tool
There is collar stop 8.Bubble band 6 and ring baffle 8 can form sealing structure.Meanwhile, in order to improve bubble band 6 and ring baffle
Sealing effectiveness before 8, the bottom surface of the block 8 is circular arc.Circular arc bottom surface and bubble band 6 can be brought into close contact,
Improve sealing effectiveness.
The neighboring of the upper end of the air sac belt 5 is circle, as shown in fig. 7, this spline structure is easy to air sac belt 5 to be formed in end
The bubble band 6 of rule, so as to be conducive to sealing, it is to avoid irregular shape affects sealing effectiveness；The shape of rule is also carried simultaneously
The sealing of air sac belt 5 between high female thread 3 and external screw thread 4.The bottom of the air sac belt 5 is pointed shape, as shown in fig. 7,
When upper bottle body 1, lower bottle body 2 connect, the gas in air sac belt 5 is just extruded from the bottom of air sac belt 5 to the upper end of air sac belt 5, is conducive to
Form sealing bubble band 6.Bubble is larger with the gas pressure in 6, strengthens upper bottle body 1 with air sac belt 5, lower bottle body 2 and air sac belt 5
Between laminating degree, it is to avoid in conical flask liquid between upper bottle body 1, lower bottle body 2 junction reveal, so as to play sealing
Effect.
Above-described embodiment limits never in any form the present invention, every to be obtained by the way of equivalent or equivalent transformation
Technical scheme all fall within protection scope of the present invention.
Claims (7)
1. a kind of experiment conical flask, it is characterised in that it is made up of upper bottle body 1 and lower bottle body 2, the upper bottle body 1, lower bottle
Body is distributed about 2, and the upper end outside that the lower end inside of the upper bottle body 1 has female thread 3, the lower bottle body 2 has external screw thread
4, hollow annular air-pocket band 5 is provided with outside the female thread 3 of the upper bottle body 1, gas is filled with the air sac belt 5, it is described
The outside of air sac belt 5 bonds together with the female thread 3 of upper bottle body 1；The upper bottle body 1, lower bottle body 2 pass through female thread 3, outer spiral shell
When stricture of vagina 4 links together, the air sac belt 5 is located between female thread 3 and external screw thread 4, and the air sac belt 5 is by female thread 3 and outward
Screw thread 4 is squeezed in the inner side of upper bottle body 1, is formed with bubble band 6 at the opening of the lower bottle body 2.
2. one kind experiment conical flask according to claim 1, it is characterised in that：The air sac belt 5 includes multiple perpendicular
To edema of the legs during pregnancy capsule, the plurality of edema of the legs during pregnancy capsule is connected in turn and constitutes air sac belt 5.
3. one kind experiment conical flask according to claim 1, it is characterised in that：The material of the air sac belt 5 is rubber
Glue.
4. one kind experiment conical flask according to claim 1, it is characterised in that：It is described on the inside of the upper bottle body 1
The top of air sac belt 5 has collar stop 8.
5. one kind experiment conical flask according to claim 4, it is characterised in that：The bottom surface of the block 8 is circle
Arc.
6. one kind experiment conical flask according to claim 1, it is characterised in that：The periphery of the upper end of the air sac belt 5
Side is circle.
7. one kind experiment conical flask according to claim 1, it is characterised in that：The bottom of the air sac belt 5 is point
It is angular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236044.XA CN106669871B (en) | 2016-12-28 | 2016-12-28 | Conical flask is used in a kind of experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236044.XA CN106669871B (en) | 2016-12-28 | 2016-12-28 | Conical flask is used in a kind of experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106669871A true CN106669871A (en) | 2017-05-17 |
| CN106669871B CN106669871B (en) | 2019-04-23 |
Family
ID=58872823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611236044.XA Active CN106669871B (en) | 2016-12-28 | 2016-12-28 | Conical flask is used in a kind of experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106669871B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4317591C1 (en) * | 1993-05-24 | 1994-05-19 | Mannesmann Ag | Gas-tight pipe-union with threaded male half screwing into tapped socket - has annular groove in threaded portion of one half which accommodates distorting sealing ring |
| CN1678861A (en) * | 2002-08-29 | 2005-10-05 | 瓦卢莱克曼内斯曼油气法国公司 | Tubular threaded joint which is impervious to the external environment |
| CN101699104A (en) * | 2009-11-12 | 2010-04-28 | 江苏光芒科技发展有限公司 | Thread sealing method |
| FR2939490A1 (en) * | 2008-12-10 | 2010-06-11 | Vallourec Mannesmann Oil & Gas | SEALED TUBULAR JOINT USED IN THE OIL INDUSTRY AND METHOD OF MAKING SAME |
| CN104028321A (en) * | 2014-06-20 | 2014-09-10 | 张宇涵 | Split type splashing-proof flask device |
-
2016
- 2016-12-28 CN CN201611236044.XA patent/CN106669871B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4317591C1 (en) * | 1993-05-24 | 1994-05-19 | Mannesmann Ag | Gas-tight pipe-union with threaded male half screwing into tapped socket - has annular groove in threaded portion of one half which accommodates distorting sealing ring |
| CN1678861A (en) * | 2002-08-29 | 2005-10-05 | 瓦卢莱克曼内斯曼油气法国公司 | Tubular threaded joint which is impervious to the external environment |
| FR2939490A1 (en) * | 2008-12-10 | 2010-06-11 | Vallourec Mannesmann Oil & Gas | SEALED TUBULAR JOINT USED IN THE OIL INDUSTRY AND METHOD OF MAKING SAME |
| CN101699104A (en) * | 2009-11-12 | 2010-04-28 | 江苏光芒科技发展有限公司 | Thread sealing method |
| CN104028321A (en) * | 2014-06-20 | 2014-09-10 | 张宇涵 | Split type splashing-proof flask device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106669871B (en) | 2019-04-23 |
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