CN106669871B - Conical flask is used in a kind of experiment - Google Patents
Conical flask is used in a kind of experiment Download PDFInfo
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- CN106669871B CN106669871B CN201611236044.XA CN201611236044A CN106669871B CN 106669871 B CN106669871 B CN 106669871B CN 201611236044 A CN201611236044 A CN 201611236044A CN 106669871 B CN106669871 B CN 106669871B
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- China
- Prior art keywords
- bottle body
- screw thread
- air sac
- sac belt
- internal screw
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- 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
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a kind of experiment conical flasks, it is made of upper bottle body and lower bottle body, the upper bottle body, lower bottle body are distributed up and down, the lower end inside of the upper bottle body has internal screw thread, there is external screw thread on the outside of the upper end of the lower bottle body, it is provided with hollow annular air-pocket band outside the internal screw thread of the upper bottle body, is filled with gas in the air sac belt, the outside of the air sac belt and the internal screw thread of upper bottle body bond together；When the upper bottle body, lower bottle body are linked together by internal screw thread, external screw thread, the air sac belt between internal screw thread and external screw thread, the air sac belt by internal screw thread and it is externally threaded be extruded on the inside of upper bottle body, the opening of the lower bottle body is formed with bubble band；The present invention is tested to be easy to use with conical flask, effectively improves conventional efficient.
Description
Technical field
The present invention relates to a kind of biologies, the conical flask of chemical experiment, belong to experimental apparatus technical field.
Background technique
Conical flask is initially by Germanization as shown in Figure 1, be a kind of biology, the common glass apparatus of chemical laboratory
Scholar Li Chaelunmaier (Richard Erlenmeyer) was invented in 1861.It is vertical section made of hard glass in three
The drop reaction device of angular shape.Its main feature is that mouth is small, bottom is big, when being conducive to titration process and being vibrated, reaction sufficiently liquid
It is not easy to splash out.The container can heat in water-bath or electric furnace.Appearance in flat coniform, under it is wealthy narrow, have a cylindrical neck
There is an opening wealthy compared with neck in portion, top, can be used and are closed by the plug that cork or rubber are fabricated to sometimes.Have on body several more
Scale, to indicate the capacity that can be contained.
Conical flask is generally used in titration experiments.It can be splashed out outside bottle when being dripped under titrating solution in order to prevent, cause to test
Error, then place the bottle on magnetic stirrer and stir.Bottleneck can also be grasped to shake with wrist, can smoothly be stirred
Uniformly.It can also be used for containing reactant, quantitative analysis is heated at reflux, and its shape then makes it be very suitable for these work.It is grown
Neck part except it is convenient plus plug in addition to, loss when can also slow down heating and chemical substance is avoided to overflow；It is flat and broad as its
Bottom then allow conical flask contain more solution, facilitate with glass bar stir and allow conical flask to lay flat on the table.
In high secondary school's Bioexperiment, conical flask is usually used in the culture of microorganism, in the incubation of microorganism
In, some cultures are after carrying out shaking flask culture using conical flask, it is also necessary to be cultivated, different phase, be needed using wide-mouth bottle
Different culture utensils is used, it is extremely inconvenient.
Summary of the invention
It is convenient to use that the object of the present invention is to provide one kind, 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, is made 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 internal screw thread, has external screw thread on the outside of the upper end of the lower bottle body, the upper bottle body it is interior
It is provided with hollow annular air-pocket band outside screw thread, is filled with gas, the outside of the air sac belt and upper bottle body in the air sac belt
Internal screw thread bond together；When the upper bottle body, lower bottle body are linked together by internal screw thread, external screw thread, the air sac belt
Between internal screw thread and external screw thread, the air sac belt by internal screw thread and it is externally threaded be extruded on the inside of upper bottle body, the lower bottle
The opening of body is formed with bubble band.
As a preference of the present invention, the air sac belt includes multiple vertical sub- air bags, the multiple sub- air bag is sequentially connected
Air sac belt is constituted together.
In order to make air sac belt have good high temperature resistance, delaying aging is improved service life, the material of the air sac belt
Material selection rubber.
In order to further increase the effect of sealing, on the inside of the upper bottle body, there is collar stop above the air sac belt.
Bubble band and ring baffle are capable of forming sealing structure.Meanwhile in order to improve the sealing effect before bubble band and ring baffle,
The bottom surface of the block is arc-shaped.Arc-shaped bottom surface and bubble band perfect can be bonded, and improve sealing effect.
Preferably, the outer periphery of the air sac belt upper end is circle.This spline structure is formed in end convenient for air sac belt and is advised
Bubble band then avoids irregular shape from influencing sealing effect to be conducive to seal；In the shape of rule also improves simultaneously
The leakproofness of air sac belt between screw thread and external screw thread.
For the ease of the connection between upper bottle body, lower bottle body, at the same convenient for by the gas in air sac belt from air sac belt bottom end
It is squeezed to air sac belt upper end to form sealing bubble band, the bottom end of the air sac belt is pointed shape.
The advantages of experiment conical flask of the invention:
(1) conical flask is divided into two upper bottle body, lower bottle body parts, facilitates the whole of the operations such as shaking flask and uses, also side
Individual the use being independently operated, such as wide-mouth bottle.For example, avoiding the operation of liquid relief in biological culture, prevent
The pollution problem of biological culture.
(2) air sac belt is arranged in the junction between upper bottle body and lower bottle body, and the gas in air sac belt ensures internal screw thread, outer spiral shell
Compactness between line and air sac belt plays good sealing function so that upper bottle body and lower bottle body junction are seamless.
(3) upper bottle body, lower bottle body are connected by internal screw thread, external screw thread, and the thread on internal screw thread, external screw thread withstands air bag
Band, thread and air sac belt form multiple-sealed structure like multiple sealing rings, improve sealing effect.
(4) between upper bottle body, lower bottle body in connection, with connection procedure, gas in air sac belt is from air sac belt bottom end
Squeeze to form sealing bubble band to air sac belt upper end, since the gas pressure in bubble band is larger, reinforce upper bottle body and air sac belt,
Compactness between lower bottle body and air sac belt avoids liquid in conical flask from revealing from the junction between upper bottle body, lower bottle body,
To play sealing function.
Detailed description of the invention
Fig. 1 is conical flask structural schematic diagram in the prior art.
Fig. 2 is the upper bottle body and lower bottle body schematic diagram of conical flask of the present invention.
Fig. 3 is upper bottle body internal screw thread and air bag band structure schematic diagram at internal screw thread.
Fig. 4 is the structural schematic diagram 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 schematic diagram.
Fig. 6 is upper bottle body, lower bottle body in structural schematic diagram of the junction with collar stop.
Fig. 7 is air sac belt structural schematic diagram.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Fig. 2, a kind of experiment conical flask, the bottle body of the conical flask is by 2 structure of upper bottle body 1 and lower bottle body
At the upper bottle body 1, about 2 lower bottle body are distributed, and the lower end inside of the upper bottle body 1 has internal screw thread 3, the lower bottle body 2
There is external screw thread 4, when the upper bottle body 1, lower bottle body 2 are linked together by internal screw thread 3, external screw thread 4 on the outside of upper end.Upper bottle body
1 and lower bottle body 2 separate when, lower bottle body 2 can be used alone, such as use as wide-mouth bottle.
It is provided with outside internal screw thread 3 on the upper bottle body 1 and closes hollow annular air-pocket band 5, it is good in order to have air sac belt 5
Good high temperature resistance, delaying aging improve service life, and the material of the air sac belt 5 selects rubber, specific as natural
Glue, butyl rubber etc..It is filled with gas in the air sac belt 5, in order to avoid gas leakage leads to gas in air sac belt 5 to air sac belt 5 at one
Body is all revealed, and the air sac belt 5 includes multiple vertical sub- air bags, and the multiple sub- air bag 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. Nian Jie) together with internal screw thread 3 on upper bottle body 1, in this way
The outside of air sac belt 5 just forms the outer layer of internal screw thread 3 on upper bottle body 1, in this way, connecting (i.e. internal screw thread in upper bottle body 1, lower bottle body 2
3, external screw thread 4 is threaded together) after, the air sac belt 5 is between internal screw thread 3 and external screw thread 4, as shown in Figure 4.At this point, described
Opening (interior spiral shell connection after that is extruded in upper bottle body 1 inside, the lower bottle body 2 of the air sac belt 5 by internal screw thread 3 and external screw thread 4
The top of line 3, external screw thread 4) it is formed with bubble band 6, as shown in Figure 5.Air sac belt 5, gas are set between upper bottle body 1 and lower bottle body 2
Gas in capsule band 5 ensures the compactness between internal screw thread 3, external screw thread 4 and air sac belt 5, so that upper bottle body 1 and lower bottle body 2 connect
It is seamless to meet place, plays good sealing function.Thread on internal screw thread 3, external screw thread 4 withstands air sac belt 5, thread and gas
Capsule band 5 forms multiple-sealed structure like multiple sealing rings.
As shown in fig. 6, on the inside of the upper bottle body, having above the air sac belt 5 to further increase the effect of sealing
There is collar stop 8.Bubble band 6 and ring baffle 8 are capable of forming sealing structure.Meanwhile in order to improve bubble band 6 and ring baffle
Sealing effect before 8, the bottom surface of the block 8 are arc-shaped.Arc-shaped bottom surface and bubble band 6 can fit closely,
Improve sealing effect.
The outer periphery of 5 upper end of air sac belt is circle, as shown in fig. 7, this spline structure is formed convenient for air sac belt 5 in end
The bubble band 6 of rule avoids irregular shape from influencing sealing effect to be conducive to seal；The shape of rule also mentions simultaneously
The leakproofness of air sac belt 5 between high internal screw thread 3 and external screw thread 4.The bottom end 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 squeezed from 5 bottom end of air sac belt to 5 upper end of air sac belt, is conducive to
Form sealing bubble band 6.Gas pressure in bubble band 6 is larger, reinforces upper bottle body 1 and air sac belt 5, lower bottle body 2 and air sac belt 5
Between compactness, avoid liquid in conical flask from revealing from the junction between upper bottle body 1, lower bottle body 2, to play sealing
Effect.
Above-described embodiment is not limit the invention in any way, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution fall within the scope of protection of the present invention.
Claims (7)
1. a kind of experiment conical flask, it is characterised in that it is made of upper bottle body 1 and lower bottle body 2, the upper bottle body 1, lower bottle
About 2 body is distributed, and the lower end inside of the upper bottle body 1 has internal screw thread 3, has external screw thread on the outside of the upper end of the lower bottle body 2
4, the internal screw thread 3 of the upper bottle body 1 is provided with hollow annular air-pocket band 5 outside, and gas is filled in the air sac belt 5, described
The outside of air sac belt 5 and the internal screw thread 3 of upper bottle body 1 bond together；The upper bottle body 1, lower bottle body 2 pass through internal screw thread 3, outer spiral shell
When line 4 links together, the air sac belt 5 is between internal screw thread 3 and external screw thread 4, and the air sac belt 5 is by internal screw thread 3 and outside
Screw thread 4 be extruded in the inside of upper bottle body 1, the opening of the lower bottle body 2 is formed with bubble band 6.
2. a kind of experiment conical flask according to claim 1, it is characterised in that: the air sac belt 5 includes multiple perpendicular
To sub- air bag, the multiple sub- air bag, which is connected in turn, constitutes air sac belt 5.
3. a kind of experiment conical flask according to claim 1, it is characterised in that: the material of the air sac belt 5 is rubber
Glue.
4. a kind of experiment conical flask according to claim 1, it is characterised in that: described in 1 inside of upper bottle body
There is collar stop 8 above air sac belt 5.
5. a kind of experiment conical flask according to claim 4, it is characterised in that: the bottom surface of the block 8 is circle
Arc.
6. a kind of experiment conical flask according to claim 1, it is characterised in that: the periphery of 5 upper end of air sac belt
Side is circle.
7. a kind of experiment conical flask according to claim 1, it is characterised in that: the bottom end 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 CN106669871A (en) | 2017-05-17 |
| CN106669871B true 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 |
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| Country | Link |
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| 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 |
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| Publication number | Publication date |
|---|---|
| CN106669871A (en) | 2017-05-17 |
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