CN205672925U - A kind of laboratory reextraction separatory funnel - Google Patents
A kind of laboratory reextraction separatory funnel Download PDFInfo
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- CN205672925U CN205672925U CN201620547759.6U CN201620547759U CN205672925U CN 205672925 U CN205672925 U CN 205672925U CN 201620547759 U CN201620547759 U CN 201620547759U CN 205672925 U CN205672925 U CN 205672925U
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Abstract
The utility model belongs to chemical apparatuses technical field, particularly relate to a kind of laboratory reextraction separatory funnel, including funnel bucket body, filler neck and glass stopper, glass stopper is arranged at the upper end open of funnel bucket body, filler neck connects with the lower ending opening of funnel bucket body, and filler neck is provided with conventional piston, and separatory funnel also includes planar piston, planar piston is arranged in funnel bucket body, and funnel bucket body is divided into single extraction separatory district and reextraction separatory district by planar piston.Relative to prior art, the utility model adds a planar piston on the basis of tradition separatory funnel, funnel bucket body is separated into Liang Ge separatory district effectively, thus may be implemented in the function completing double extraction separatory on same funnel, thus largely decrease the usage quantity of laboratory glassware, simplify extracting operation, solve repeatedly the troublesome problem of extract transfer in extraction process, improve separatory efficiency, reduce impurity and bring into and extracted component loss.
Description
Technical field
The utility model belongs to chemical apparatuses technical field, particularly relates to a kind of laboratory reextraction separatory funnel.
Background technology
The structure of separatory funnel is generally: upper end is ground glass stopper, the middle container for definite shape, and lower end is two to lead to
Piston and filler tube handle, its major function is extraction separatory.According to the container shapes of separatory funnel, separatory funnel can be divided into spherical
Separatory funnel, pyriform (taper) separatory funnel and tubular (cylindricality) separatory funnel, the pyriform sold on the market at present (taper) point
Liquid funnel and tubular (cylindricality) separatory funnel have again two types common and with a scale.
In three kinds of separatory funnels of same volume specification, the diameter of bulb shape separatory funnel is maximum, easily shakes up during operation
And mixing velocity is fast, but, bulb shape separatory funnel also has its shortcoming: one is that spherical design easily causes vision vacation when separatory
As causing separating unsuccessfully；Two is that diameter is big, is difficult to preferably separate liquid after layering.Therefore bulb shape separatory funnel is used for work
Industry is analyzed, less use in laboratory or teaching.Compare mitigation in some reactions, do not produce smog, it is not necessary to insert liquid level with
Under colourless gas preparation experiment in, if there is no dropping funel, it is also possible to bulb shape separatory funnel as dropping liquid instrument use.
Tubular (cylindricality) separatory funnel main body is a cylindrical container, and container is dye, it is simple to hierarchical operations, simultaneously
In horizontal plane, area occupied is little, is suitable for multiple instrument and uses simultaneously.Minimum yet with same size diameter, therefore extract
It is difficult to shake up when taking separatory.
Pyriform (taper) separatory funnel main body is the container of a reverse taper shape, and its elongated Cone container structure is fully tied
Close spherical and cylindrical separatory funnel advantage so that utilize its lower end toper multi_layer extraction to be more easy to operation, concurrently separate effect relatively
Good, the most commonly used in the lab.
Extracting operation method is applied wide for batch process (also known as single-action extraction) in analysis.Extraction times then root
Determine at extractant and the distribution ratio size being extracted in solution two-phase according to being extracted material.Current experimental implementation once extracts
Take the requirement being extremely difficult to Quantitative Separation, appropriate extract need to be rejoined, repeat, carry out two after separating for the first time
Secondary extraction.But the increase of extraction times, not only increases the usage quantity of glass apparatus, complex operation, and transfer bothers, and easily
Bring impurity or the component of loss extraction into.
Therefore, necessary existing separatory funnel is improved, and the reextraction separatory leakage of a kind of laboratory is provided
Bucket, it enables to same separatory funnel and structurally can complete to extract twice, simple to operate and separatory effect is good.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and provides a kind of laboratory reextraction separatory
Funnel, it enables to same separatory funnel and structurally can complete to extract twice, simple to operate and separatory effect is good.
In order to achieve the above object, the utility model adopts the following technical scheme that
A kind of laboratory reextraction separatory funnel, including funnel bucket body, filler neck and glass stopper, described glass stopper is arranged
At the upper end open of described funnel bucket body, described filler neck connects with the lower ending opening of described funnel bucket body, described filler neck
On be provided with conventional piston, described separatory funnel also includes planar piston, and described planar piston is arranged in described funnel bucket body, and
Described funnel bucket body is divided into single extraction separatory district and reextraction separatory district by described planar piston.
As a kind of improvement of the utility model laboratory reextraction separatory funnel, described planar piston includes the first half
Circle flat board, the second semicircle flat board, piston rod, plunger shaft and piston handle, described first semicircle flat board and described second semicircle flat board
Fixing with described funnel bucket body and being connected, described piston handle is connected with described piston rod, and described piston rod inserts in described plunger shaft
And seamless with described plunger shaft be flexibly connected, described piston rod is rotatablely arranged at described first semicircle flat board and described
Between two semicircle flat boards, and arranging porose on described piston rod, rotary-piston bar, described hole makes described single extraction separatory
District and described reextraction separatory district are mutually communicated.
As a kind of improvement of the utility model laboratory reextraction separatory funnel, described first semicircle flat board and described
The area equation of the second semicircle flat board, thickness is also equal.
As a kind of improvement of the utility model laboratory reextraction separatory funnel, described first semicircle flat board, described
Second semicircle flat board and the piston rod being positioned between described first semicircle flat board and described second semicircle flat board are collectively forming one
Circular exclusion region, described hole is arranged at the center of described circular exclusion region.
As a kind of improvement of the utility model laboratory reextraction separatory funnel, described hole is circle, and described
The diameter in hole and the equal diameters of described piston rod.
As a kind of improvement of the utility model laboratory reextraction separatory funnel, described plunger shaft includes two coaxially
First cylinder of Different Diameter and fixing connection and the second cylinder, wherein, the inner surface of big described first cylinder of diameter
Being provided with internal thread, described plunger shaft passes through little described second cylinder of diameter and described first semicircle flat board and described second
Semicircle flat board connects, and the axis of described plunger shaft intersects vertically with the axis of described funnel bucket body.
As a kind of improvement of the utility model laboratory reextraction separatory funnel, described piston rod includes two coaxially
3rd cylinder of Different Diameter and fixing connection and the 4th cylinder, wherein, the outer surface of big described 3rd cylinder of diameter
Being provided with external screw thread, described plunger shaft described threeth cylinder big with diameter is flexibly connected by screw thread, and described hole is arranged at
On little described 4th cylinder of diameter, big described 3rd cylinder of diameter is connected with described piston handle.
As a kind of improvement of the utility model laboratory reextraction separatory funnel, described planar piston is arranged at described
The 1/4-2/3 of funnel bucket body highly locates.
As a kind of improvement of the utility model laboratory reextraction separatory funnel, described conventional piston includes piston
Cap, piston knob and piston only, the two ends of described piston only are connected with described piston cap and described piston knob respectively, institute
State and on piston only, be provided with through hole.
Relative to prior art, the utility model adds a planar piston on the basis of tradition separatory funnel,
Funnel bucket body is separated into Liang Ge separatory district effectively, thus may be implemented in and complete double extraction separatory on same funnel
Function, thus largely decrease the usage quantity of laboratory glassware, simplify extracting operation, solve and repeatedly extract
During the extract troublesome problem of transfer, improve separatory efficiency, reduce impurity and bring into and extracted component loss.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model midplane piston.
Fig. 3 is the structural representation (including part funnel bucket body) of plunger shaft in the utility model.
Fig. 4 is the structural representation of piston rod and piston handle in the utility model.
Detailed description of the invention
Below with reference to specific embodiment, the utility model and beneficial effect thereof are described in further detail, but,
Detailed description of the invention of the present utility model is not limited thereto.
As shown in Figures 1 to 4, a kind of laboratory reextraction separatory funnel that the utility model provides, including funnel bucket
Body the 1st, filler neck 2 and glass stopper 3, glass stopper 3 is arranged at the upper end open of funnel bucket body 1, filler neck 2 and funnel bucket body 1
Lower ending opening connects, and filler neck 2 is provided with conventional piston 4, and separatory funnel also includes planar piston 5, and planar piston 5 is arranged in
Funnel bucket body 1, and funnel bucket body 1 is divided into single extraction separatory district 6 and reextraction separatory district 7 by planar piston 5, to realize
The operation of separatory twice of same separatory funnel.
Wherein, planar piston 5 includes the first semicircle flat board the 51st, the second semicircle flat board the 52nd, piston rod the 53rd, plunger shaft 54 and lives
Plug handle 55, the first semicircle flat board 51 and the second semicircle flat board 52 are fixing with funnel bucket body 1 to be connected, and to play the effect of obstruct, lives
Plug handle 55 is connected with piston rod 53, and rotary-piston handle 55 can rotate together with piston rod 53, and piston rod 53 inserts plunger shaft
In 54 and seamless with plunger shaft 54 be flexibly connected, piston rod 53 is rotatablely arranged at the first semicircle flat board 51 and the second semicircle
Between flat board 52, and on piston rod 53, arrange porose 56, rotary-piston bar 53, when it rotates to certain angle, this hole 56
Single extraction separatory district 6 and reextraction separatory district 7 can be made to be mutually communicated so that be positioned at the liquid in single extraction separatory district 6
It is flowed into reextraction separatory district 7.
First semicircle flat board 51 and the area equation of the second semicircle flat board 52, thickness is also equal.First semicircle flat board the 51st,
Two semicircle flat boards 52 and the piston rod being positioned between the first semicircle flat board 51 and the second semicircle flat board 52 are collectively forming a circle
Exclusion region 57, hole 56 is arranged at the center of circular exclusion region 57, and circular exclusion region 57 is possible to prevent liquid from single extraction separatory
District 6 is flowed into reextraction separatory district 7.
Hole 56 is circle, and the equal diameters of the diameter in hole 56 and piston rod 53, say, that the side of piston rod 53
Tangent with this hole 56.
Plunger shaft 54 includes two coaxial Different Diameter and fixing the first cylinder 541 connecting and the second cylinder 542, its
In, the inner surface of the first big cylinder 541 of diameter is provided with internal thread, and plunger shaft 54 passes through the second little cylinder of diameter
542 are connected with the first semicircle flat board 51 and the second semicircle flat board 52, the axis of plunger shaft 54 phase vertical with the axis of funnel bucket body 1
Hand over.
Piston rod 53 includes two coaxial Different Diameter and fixing the 3rd cylinder 531 connecting and the 4th cylinder 532, its
In, the outer surface of the 3rd big cylinder 531 of diameter is provided with external screw thread, plunger shaft 54 threeth cylinder 531 big with diameter
Being flexibly connected by screw thread (internal thread and externally threaded coupling), hole 56 is arranged on the 4th little cylinder 532 of diameter, diameter
The 3rd big cylinder 531 is connected with piston handle 55.The 4th little cylinder 532 of diameter matches with the second cylinder 542.
The 1/4-2/3 that planar piston 5 is arranged at funnel bucket body 1 highly locates, to control single extraction separatory district 6 and secondary extraction
Take the volume ratio in separatory district 7.
Conventional piston 4 includes piston cap the 41st, piston knob 42 and piston only 43, the two ends of piston only 43 respectively with work
Cock cap 41 and piston knob 42 connect, and piston only 43 is provided with through hole.
The course of work of the present utility model: first, checks to the air-tightness of separatory funnel, and Plane of rotation piston 5 makes
Single extraction separatory district 6 and reextraction separatory district 7 are not connected；Rotate conventional piston 4, make filler neck 2 up/down perforation.Toward one
Secondary extraction separatory district 6 adds water, and then covers glass stopper 3.Now, the air pressure in single extraction separatory district 6 is equal to external atmosphere pressure, rotation
Turn planar piston 5, make single extraction separatory district 6 be connected with reextraction separatory district 7, bleed off a part of water, originally shared by water
Space become vacuum state, single extraction separatory district 6 internal gas pressure reduces, until liquid level no longer declines, separatory funnel is described
Air-tightness is good, if water has all leaked, then explanation gas leakage, unusable.In the same way conventional piston 4 is checked.
After inspection finishes, closing plane piston 5, add toward single extraction separatory district 6 and appropriate be extracted solution and extraction
Agent, builds glass stopper 3, vibration, stands.After two-layer liquid is completely separable, closes conventional piston 4, open glass stopper 3, lower floor
Liquid is discarded to reextraction separatory district 7 from planar piston 5, and closing plane piston 5, supernatant liquid is poured out from bell mouth.Then
Open planar piston 5, again add appropriate extractant to carry out reextraction toward the mother liquor in reextraction separatory district 7, repeat
Above-mentioned experimental procedure completes entirely to extract separatory operation.
The utility model adds a planar piston 5 on the basis of tradition separatory funnel, funnel bucket body 1 effectively
It is separated into Liang Ge separatory district, thus may be implemented in the function completing double extraction separatory on same funnel, thus very big
Decrease the usage quantity of laboratory glassware in degree, simplify extracting operation, solve repeatedly extract in extraction process
Shift troublesome problem, improve separatory efficiency, reduce impurity and bring into and extracted component loss.
The announcement of book and teaching according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of executing carries out suitable change and modification.Therefore, the utility model is not limited to disclosed and described above being embodied as
Some modifications and changes of the present utility model be should also be as falling in scope of the claims of the present utility model by mode.
Although additionally, employ some specific terms in this specification, but these terms are merely for convenience of description, not to this reality
With any restriction of novel composition.
Claims (9)
1. a laboratory reextraction separatory funnel, including funnel bucket body, filler neck and glass stopper, described glass stopper is arranged at
At the upper end open of described funnel bucket body, described filler neck connects with the lower ending opening of described funnel bucket body, on described filler neck
It is provided with conventional piston, it is characterised in that: described separatory funnel also includes planar piston, and described planar piston is arranged in described leakage
Struggle against bucket body, and described funnel bucket body is divided into single extraction separatory district and reextraction separatory district by described planar piston.
2. laboratory according to claim 1 reextraction separatory funnel, it is characterised in that: described planar piston includes
One semicircle flat board, the second semicircle flat board, piston rod, plunger shaft and piston handle, described first semicircle flat board and described second semicircle
Flat board is fixing with described funnel bucket body to be connected, and described piston handle is connected with described piston rod, and described piston rod inserts described piston
In chamber and seamless with described plunger shaft be flexibly connected, described piston rod is rotatablely arranged at described first semicircle flat board and institute
Stating between the second semicircle flat board, and arranging porose on described piston rod, rotary-piston bar, described hole makes described single extraction
Separatory district and described reextraction separatory district are mutually communicated.
3. laboratory according to claim 2 reextraction separatory funnel, it is characterised in that: described first semicircle flat board and
The area equation of described second semicircle flat board, thickness is also equal.
4. laboratory according to claim 2 reextraction separatory funnel, it is characterised in that: described first semicircle flat board,
Described second semicircle flat board and the piston rod being positioned between described first semicircle flat board and described second semicircle flat board are collectively forming
One circular exclusion region, described hole is arranged at the center of described circular exclusion region.
5. laboratory according to claim 2 reextraction separatory funnel, it is characterised in that: described hole is circle, and
The diameter in described hole and the equal diameters of described piston rod.
6. laboratory according to claim 2 reextraction separatory funnel, it is characterised in that: described plunger shaft includes two
Coaxial Different Diameter and fixing the first cylinder connecting and the second cylinder, wherein, big described first cylinder of diameter interior
Surface configuration has internal thread, and described plunger shaft is by little described second cylinder of diameter and described first semicircle flat board and described
Second semicircle flat board connects, and the axis of described plunger shaft intersects vertically with the axis of described funnel bucket body.
7. laboratory according to claim 2 reextraction separatory funnel, it is characterised in that: described piston rod includes two
3rd cylinder of coaxial Different Diameter and fixing connection and the 4th cylinder, wherein, outside big described 3rd cylinder of diameter
Surface configuration has external screw thread, and described plunger shaft described threeth cylinder big with diameter is flexibly connected by screw thread, and described hole sets
Being placed on little described 4th cylinder of diameter, big described 3rd cylinder of diameter is connected with described piston handle.
8. laboratory according to claim 1 reextraction separatory funnel, it is characterised in that: described planar piston is arranged at
The 1/4-2/3 of described funnel bucket body highly locates.
9. laboratory according to claim 1 reextraction separatory funnel, it is characterised in that: described conventional piston includes living
Cock cap, piston knob and piston only, the two ends of described piston only are connected with described piston cap and described piston knob respectively,
It is provided with through hole on described piston only.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547759.6U CN205672925U (en) | 2016-06-07 | 2016-06-07 | A kind of laboratory reextraction separatory funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547759.6U CN205672925U (en) | 2016-06-07 | 2016-06-07 | A kind of laboratory reextraction separatory funnel |
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| Publication Number | Publication Date |
|---|---|
| CN205672925U true CN205672925U (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620547759.6U Active CN205672925U (en) | 2016-06-07 | 2016-06-07 | A kind of laboratory reextraction separatory funnel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008515A (en) * | 2017-05-05 | 2017-08-04 | 盐城市华鸥实业有限公司 | A kind of laboratory reextraction separatory funnel |
| CN107913531A (en) * | 2017-11-30 | 2018-04-17 | 陈炳坤（天津）生物技术有限公司 | A kind of extraction equipment |
| WO2018201701A1 (en) * | 2017-05-05 | 2018-11-08 | 盐城市华鸥实业有限公司 | Laboratory secondary extraction separatory funnel |
| CN112760194A (en) * | 2021-01-06 | 2021-05-07 | 常州市疾病预防控制中心 | Closed simple RNA nucleic acid extraction device and preparation method and use method thereof |
| CN113648677A (en) * | 2021-07-08 | 2021-11-16 | 暨南大学 | Extraction device and method and application thereof |
| CN114964995A (en) * | 2022-07-28 | 2022-08-30 | 徐州安普瑞特能源科技有限公司 | Separating funnel for water quality detection and use method thereof |
-
2016
- 2016-06-07 CN CN201620547759.6U patent/CN205672925U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008515A (en) * | 2017-05-05 | 2017-08-04 | 盐城市华鸥实业有限公司 | A kind of laboratory reextraction separatory funnel |
| WO2018201701A1 (en) * | 2017-05-05 | 2018-11-08 | 盐城市华鸥实业有限公司 | Laboratory secondary extraction separatory funnel |
| CN107913531A (en) * | 2017-11-30 | 2018-04-17 | 陈炳坤（天津）生物技术有限公司 | A kind of extraction equipment |
| CN112760194A (en) * | 2021-01-06 | 2021-05-07 | 常州市疾病预防控制中心 | Closed simple RNA nucleic acid extraction device and preparation method and use method thereof |
| CN112760194B (en) * | 2021-01-06 | 2022-11-25 | 常州市疾病预防控制中心 | Closed simple RNA nucleic acid extraction device and preparation method and use method thereof |
| CN113648677A (en) * | 2021-07-08 | 2021-11-16 | 暨南大学 | Extraction device and method and application thereof |
| CN114964995A (en) * | 2022-07-28 | 2022-08-30 | 徐州安普瑞特能源科技有限公司 | Separating funnel for water quality detection and use method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.7, Gongye North 4th Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Zhongding Testing Technology Co.,Ltd. Address before: No.7, North 4th Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee before: DONGGUAN CONSUMER TESTING TECHNOLOGY Co.,Ltd. |