CN207253811U - A kind of solid-phase extraction column of uniform filling - Google Patents
A kind of solid-phase extraction column of uniform filling Download PDFInfo
- Publication number
- CN207253811U CN207253811U CN201721230648.3U CN201721230648U CN207253811U CN 207253811 U CN207253811 U CN 207253811U CN 201721230648 U CN201721230648 U CN 201721230648U CN 207253811 U CN207253811 U CN 207253811U
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- CN
- China
- Prior art keywords
- sieve plate
- cylinder
- retainer ring
- outer end
- solid
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Abstract
The utility model discloses a kind of solid-phase extraction column of uniform filling, including cylinder and snap-gauge；The upper end of the cylinder is provided with column cap, pressure plug is provided with the inside of the column cap, the side of cylinder is imprinted with graduation mark, the lower section of the pressure plug is fixed with upper sieve plate, the outer end of the upper sieve plate is connected with retainer ring, and upper sieve plate is fixed on the internal wall of the cylinder by the upper retainer ring of outer end, and middle sieve plate is provided with below the upper sieve plate, the outer end of the middle sieve plate is connected with middle retainer ring, and middle sieve plate is fixed on the internal wall of the cylinder by the middle retainer ring of outer end.The retainer ring that the utility model passes through sieve plate outer end, and the vertical length of retainer ring is more than the vertical length of sieve plate, when in use, sieve plate can be fixed on the inner side of cylinder by the retainer ring of outer end, internal filler will not be shifted and tilted during use so that the filler between sieve plate can be very uniform.
Description
Technical field
It the utility model is related to extraction equipment technical field, and in particular to a kind of solid-phase extraction column of uniform filling.
Background technology
At present, solid-phase extraction column is a kind of sample pre-treatments for extracting, separating, concentrating developed from chromatographic column
Device.SPE technologies are based on liquid-solid phase chromatographic theory, sample are carried out by the way of selective absorption, selective elution rich
Collection, separation, purification, are that one kind includes liquid phase and solid phase physics extraction process；It can also approx be regarded as a kind of simple
Chromatographic process SPE technologies are based on liquid-solid phase chromatographic theory, and sample is carried out by the way of selective absorption, selective elution
Enrichment, separation, purification, are that one kind includes liquid phase and solid phase physics extraction process；It can also approx be regarded as a kind of simple
Chromatographic process.SPE is the liquid chromatography separation principle using selective absorption and selective elution.More common method is
Fluid sample solution is set to retain wherein measured matter, then select appropriate strength solvents to wash away impurity, then with few by adsorbent
Amount solvent elutes rapidly measured matter, so as to achieve the purpose that quick separating purification and concentration.Also alternative adsorptive hindrance is miscellaneous
Matter, and allow measured matter to flow out；Or adsorbing contaminant and measured matter at the same time, reuse suitable solvent selectivity elution measured object
Matter.The application of solid-phase extraction column substantially increases the life of people, is played for the development in terms of scientific research and agricultural very big
Help, nevertheless, some products currently on the market still have the deficiency and technological deficiency of some aspects；
1. internal filler easily shifts and tilts traditional solid-phase extraction column when in use so that between sieve plate
Filler can be uneven, and when use occurs because the reason for sieve plate causes filler to produce phenomenon more on one side and that another side is few；
2. product currently on the market does not set snap-gauge in the lower section of lower sieve plate, cause sieve plate during use
Slip is be easy to cause, stability is not strong；
3. the existing product of in the market does not set graduation mark in the outside of cylinder, therefore cannot accurately measure in cylinder
The volume of side solution, when use, can bring certain puzzlement to experimenter.
Utility model content
The purpose of this utility model is that：In view of the deficiencies of the prior art, the utility model provides a kind of uniform filling
Solid-phase extraction column, it is unstable when in use to solve solid-phase extraction column, be easy to cause deviation, causes to extract incomplete problem.
To achieve the above object, the utility model provides following technical solution：
A kind of solid-phase extraction column of uniform filling, including cylinder and snap-gauge；The upper end of the cylinder is provided with column cap, described
Pressure plug is provided with the inside of column cap, the side of cylinder is imprinted with graduation mark, and the lower section of the pressure plug is fixed with upper sieve plate, institute
The outer end for stating upper sieve plate is connected with retainer ring, and upper sieve plate is fixed on the internal wall of the cylinder by the upper retainer ring of outer end, described
Middle sieve plate is provided with below upper sieve plate, the outer end of the middle sieve plate is connected with middle retainer ring, and middle sieve plate passes through solid in outer end
Determine ring to fix on the internal wall of the cylinder, the lower section position corresponding with upper sieve plate of the middle sieve plate is provided with lower sieve plate, and lower sieve
The outer end of plate is connected with lower retainer ring, and lower sieve plate is fixed on the internal wall of the cylinder by the lower retainer ring of outer end, the middle sieve plate
Lower filler is filled between lower sieve plate, the snap-gauge is connected to the inner side of cylinder by outer wall, and the snap-gauge abuts retainer ring
Lower section.
Preferably, the lower end of the pressure plug is provided with plug ring, the small diameter on the inside of cylinder of plug ring diameter.
Preferably, the outer layer of the pressure plug lower end plug ring is arranged to rubber layer.
Preferably, upper filler is filled between the upper sieve plate and middle sieve plate.
Preferably, the lower end of the cylinder is provided with column mouth.
The utility model provides a kind of solid-phase extraction column of uniform filling, possesses following beneficial effect：
1st, the utility model is by the retainer ring of sieve plate outer end, and the vertical length of retainer ring is more than the vertical long of sieve plate
Degree, when in use, sieve plate can be fixed on the inner side of cylinder by the retainer ring of outer end, and internal filler is not during use
It can shift and tilt so that the filler between sieve plate very uniformly can will not cause filler to produce one because of the reason for sieve plate
The few phenomenon in more than side and another side, so as to improve extraction efficiency, and then improves product specification；
2nd, the utility model is by setting snap-gauge, and snap-gauge is arranged on the lower section of lower sieve plate, in use, snap-gauge can block
Lower sieve plate glides, and certain fixation can be played to lower sieve plate;
3rd, for the utility model by setting graduation mark, graduation mark can help people clearly to observe inner side when in use
The scale of filler is adjusted, same amount of filler can be added according to graduation mark so that the uniform filling between sieve plate, is more convenient for making
With, secondly, graduation mark can also reaction solution volume.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the enlarged drawing at A in Fig. 1.
In figure：Retainer ring in sieve plate, 5 in 1 column cap, 2 cylinders, 3 graduation marks, 4,6 pressure plugs, 7 upper sieve plates, retainer ring on 8,
9 times fillers, 10 times sieve plates, 11 times retainer rings, 12 column mouths, 13 snap-gauges, filler on 14.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1 shown in -2, a kind of solid-phase extraction column of uniform filling, including cylinder 2 and snap-gauge 13；Cylinder 2 it is upper
End is provided with column cap 1, and when use can pour into the liquid for needing to extract in the inner side of column cap 1, and the lower end of cylinder 2 is provided with column
Mouthfuls 12, during extraction, column mouth 12 is used for discharging the liquid extracted, and the inner side of column cap 1 is provided with pressure plug 6, pressure plug 6
Effect be to provide pressure kinetic energy to solution, to achieve the purpose that extraction, the lower end of pressure plug 6 is provided with plug ring, plug ring diameter
The small diameter in the inner side of cylinder 2, easy to remove, the outer layers of pressure 6 lower end plug rings of plug is arranged to rubber layer, rubber layer during use
Friction can be increased, in order to avoid intravenous extravasation, can also increase pressure, the side of cylinder 2 is imprinted with graduation mark 3, and graduation mark 3 makes
Used time can be made with reference, and the lower section for the plug 6 that presses is fixed with upper sieve plate 7, and for purification by liquid extraction, the outer end of upper sieve plate 7 connects
There is upper retainer ring 8, upper sieve plate 7 is fixed on the inner wall of cylinder 2 by the upper retainer ring 8 of outer end, and the lower section of upper sieve plate 7 is provided with
Middle sieve plate 4, is filled with upper filler 14 between upper sieve plate 7 and middle sieve plate 4, the outer end of middle sieve plate 4 is connected with middle retainer ring 5, middle sieve
Plate 4 is fixed on the inner wall of cylinder 2 by the middle retainer ring 5 of outer end, and the lower section of middle sieve plate 4 is set with 7 corresponding position of upper sieve plate
Lower sieve plate 10 is equipped with, and the outer end of lower sieve plate 10 is connected with lower retainer ring 11, lower sieve plate 10 is solid by the lower retainer ring 11 of outer end
It is scheduled on the inner wall of cylinder 2, lower filler 9 is filled between middle sieve plate 4 and lower sieve plate 10, and snap-gauge 13 is connected to column by outer wall
The inner side of body 2, snap-gauge 13 abut the lower section of retainer ring 11.
In use, the liquid for needing to extract can pour into the inner side of cylinder 2 through the inner side of column cap 1, pressure plug 6 can be down
It is mobile that pressure kinetic energy is provided, and since 8 vertical length of upper retainer ring of 7 outer end of upper sieve plate is more than the vertical length of upper sieve plate 7, because
This upper sieve plate 7 under the action of upper retainer ring 8 can be very good to obtain the fixation of horizontal plane, will not glance off, middle sieve plate 4 with
The principle of lower sieve plate 10 is as with upper sieve plate 7, therefore, can make it that the upper filler 14 between upper sieve plate 7 and middle sieve plate 4 is uniform
Place, uniformly solution can be filtered and adsorbed in extraction so that the effect of extraction can be more preferable.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of solid-phase extraction column of uniform filling, including cylinder（2）And snap-gauge（13）；It is characterized in that：The cylinder（2）'s
Upper end is provided with column cap（1）, the column cap（1）Inner side be provided with pressure plug（6）, cylinder（2）Side be imprinted with graduation mark
（3）, the pressure plug（6）Lower section be fixed with upper sieve plate（7）, the upper sieve plate（7）Outer end be connected with retainer ring（8）,
Upper sieve plate（7）Pass through the upper retainer ring of outer end（8）It is fixed on cylinder（2）Inner wall on, the upper sieve plate（7）Lower section be provided with
Middle sieve plate（4）, the middle sieve plate（4）Outer end be connected with middle retainer ring（5）, middle sieve plate（4）Pass through the middle retainer ring of outer end（5）
It is fixed on cylinder（2）Inner wall on, the middle sieve plate（4）Lower section and upper sieve plate（7）Corresponding position is provided with lower sieve plate
（10）, and lower sieve plate（10）Outer end be connected with lower retainer ring（11）, lower sieve plate（10）Pass through the lower retainer ring of outer end（11）Gu
It is scheduled on cylinder（2）Inner wall on, the middle sieve plate（4）With lower sieve plate（10）Between be filled with lower filler（9）, the snap-gauge（13）
Cylinder is connected to by outer wall（2）Inner side, the snap-gauge（13）Against retainer ring（11）Lower section.
2. the solid-phase extraction column of uniform filling according to claim 1, it is characterised in that：The pressure plug（6）Lower end
Plug ring is provided with, plug ring diameter is small in cylinder（2）The diameter of inner side.
3. the solid-phase extraction column of uniform filling according to claim 1, it is characterised in that：The pressure plug（6）Lower end plug
The outer layer of ring is arranged to rubber layer.
4. the solid-phase extraction column of uniform filling according to claim 1, it is characterised in that：The upper sieve plate（7）With middle sieve
Plate（4）Between be filled with upper filler（14）.
5. the solid-phase extraction column of uniform filling according to claim 1, it is characterised in that：The cylinder（2）Lower end set
It is equipped with column mouth（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721230648.3U CN207253811U (en) | 2017-09-22 | 2017-09-22 | A kind of solid-phase extraction column of uniform filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721230648.3U CN207253811U (en) | 2017-09-22 | 2017-09-22 | A kind of solid-phase extraction column of uniform filling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207253811U true CN207253811U (en) | 2018-04-20 |
Family
ID=61918908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721230648.3U Expired - Fee Related CN207253811U (en) | 2017-09-22 | 2017-09-22 | A kind of solid-phase extraction column of uniform filling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207253811U (en) |
-
2017
- 2017-09-22 CN CN201721230648.3U patent/CN207253811U/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: 20180420 Termination date: 20190922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |