CN203634862U - Portable solid phase extraction column filling device - Google Patents
Portable solid phase extraction column filling device Download PDFInfo
- Publication number
- CN203634862U CN203634862U CN201420025725.1U CN201420025725U CN203634862U CN 203634862 U CN203634862 U CN 203634862U CN 201420025725 U CN201420025725 U CN 201420025725U CN 203634862 U CN203634862 U CN 203634862U
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- extraction column
- filling device
- solid phase
- clamping part
- phase extraction
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Abstract
The utility model discloses a portable solid phase extraction column filling device which comprises a clamping part for fixing an extraction column, wherein a handle is connected to one end of the clamping part; a through hole is formed in the handle; a pushing rod is arranged through the through hole; the pushing rod can run through the through hole and extend into the clamping part. The filling device disclosed by the utility model is simple in structure, small in size, low in cost, convenient to carry and operate and capable of guaranteeing rapid and uniform filling; meanwhile the filling device avoids damaging the extraction column. Moreover, through the new design of the device, filler is good in stability and is free from such common problems as becoming loose. The filling device solves problems of a conventional small column which generally is provided with holes under regular filling and is inconsistent in vortex and filling, and effectively avoids a 'channel effect'.
Description
Technical field
The utility model relates to the filling of solid-phase extraction column, is specifically related to a kind of portable solid phase extraction column filling device.
Background technology
Solid-phase extraction column (English Solid Phase Extraction Column, be called for short SPE column, or Solid Phase extraction Cartridges, be called for short SPE cartridges) be develop from chromatographic column a kind of for extracting, separate, concentrated sample pre-treatments device.Due to its have efficiently, reliable, consume the advantages such as reagent is few, replaced in a lot of fields traditional liquid-liquid extraction and become the effective means of sample pre-treatments.Its application has included food analysis, environment measuring, clinical monitoring, judicial expertise, medicament research and development, Separation of Proteins etc. at interior numerous areas.In the international detection method of in recent years promulgating, it is also widely used in many GBs (GB/T) and industry analysis standard.
Common solid-phase extraction column is the syringe type device taking polyethylene as material mostly, and two patches taking polypropylene or glass fibre as material are housed in this device, is filled with a certain amount of chromatographic adsorbents (filler) in the middle of two patches.Solid-phase extraction column upper end is opened wide, and lower end is liquid outlet, and liquid is discharged from outlet after adsorbent.Because solid phase extraction techniques has stronger method according to lazyness, need different or multiple adsorbent combination just can better complete for concrete concentration and separation object.And commercial solid phase extraction column has only met the application demand of certain fields.Therefore increasing researcher independent development adsorbent or combine as required multiple adsorbent filling SPE empty tube column and analyze for the object enrichment meeting under complex matrices condition.Due to considering of production technology and cost, solid phase extraction column can not adopt the homogenate high-pressure process of similar filling liquid-phase chromatographic column.In the time of actual tests, be generally to pass through manual operation in situ preparation solid phase packed column completely by testing crew, simply utilize a push rod to apply a power to the sieve plate in extraction column.This filling way inefficiency, easily extraction column, sieve plate and adsorption stuffing itself are caused damage, main is to cause filling degree of tightness or the density degree of filler inhomogeneous, easily occurs in actual use the phenomenon of sedimentation or loss, there is cavity, eddy current and " trench effect " thereby cause.In the process of load sample, just may there is part target compound not to be adsorbed, cause the rate of recovery on the low side poor with reappearance.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides a kind of fast and convenient filling device of solid phase extraction column cheaply, make dress column condition more sequencing and the standardization of laboratory at solid phase extraction column, improve greatly filling speed, also improved the rate of recovery and reappearance simultaneously.
The technical solution of the utility model is: a kind of portable solid phase extraction column filling device, comprise a clamping part for fixed extractor post, described clamping part one end is connected with handle, on described handle, be provided with a through hole, be provided with push rod by this through hole, described push rod can go deep in clamping part through this through hole.
Further improvement of the utility model comprises:
Described clamping part is U-shaped structure.
Described clamping part comprises two clamping plate, is provided with postive stop baffle at described clamping plate end, and described two clamping plate are fixedly connected with handle respectively and are not connected.
Described push rod extends to cover in the part of clamping part spring, is provided with the block for restraining spring on described push rod, and described spring is between block and handle.
Described clamping part is made by stainless steel.
On described clamping part, be set with at least one steel O type turn, for making the utility model go for the packed column of different size.
Described clamping part interior extremity is provided with the soft pad with described postive stop baffle laminating, prevents that packed column from damaging distortion.
Described push rod is two-part structure, comprise the body of rod be loaded extraction column in the push rod cup that contacts of sieve plate, described push rod cup and the described body of rod are threaded connection.
Described push rod cup end diameter is 10mm-60mm.
The utility model is simple in structure, and volume is little, and cost is low, is easy to carry and operates, and has ensured the quick and even of filling,, can not cause damage to extraction column itself meanwhile.And this installs new design and makes filler firmly good surely, there will not be the problems such as common filler is loose.The cavity of having avoided traditional pillar conventionally to exist under conventional filling, eddy current and the inconsistent problem of filling, effectively avoided " trench effect ".
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model pusher structure schematic diagram.
In figure: 1, clamping part, 2, handle, 3, push rod, 301, the body of rod, 302, push rod cup, 4, postive stop baffle, 5, spring, 6, block, 7, soft pad, 8 steel O type turns.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, a kind of portable solid phase extraction column filling device of the utility model, comprise a clamping part for fixed extractor post, described clamping part one end is connected with handle, on described handle, be provided with a through hole, be provided with push rod by this through hole, described push rod can go deep in clamping part through this through hole.
Described clamping part is that stainless steel makes U-shaped structure, and its end is hatch frame, has not only formed postive stop baffle, and can, according to the elasticity of itself, keep good blessing to extraction column.
Described clamping part comprises two clamping plate, is provided with postive stop baffle at described clamping plate end, and described two clamping plate are fixedly connected with handle respectively and are not connected.
Described push rod extends to cover in the part of clamping part spring, is provided with the block for restraining spring on described push rod, and described spring is between block and handle.On described clamping part, be set with at least one steel O type turn, for making the utility model go for the packed column of different size.Described clamping part interior extremity is provided with the soft pad with described postive stop baffle laminating, prevents that packed column from damaging distortion.
As preferred embodiment of the present utility model, described push rod is designed to two-part structure, comprise the body of rod be loaded extraction column in the push rod cup that contacts of sieve plate, described push rod cup and the described body of rod are threaded connection, described push rod cup end diameter is taking 10mm-60mm as good, to adapt to the filling of different-diameter extraction column.Guarantee that push rod cup and sieve plate contact area maximize, and have prevented that sieve plate unbalance stress from causing filling unsuccessfully.
The utility model is simple in structure, and volume is little, and cost is low, is easy to carry and operates, ensured filling fast and evenly,, can not cause damage to extraction column itself meanwhile, by steel O type turn applicable to the direct packed column at 10-60mm.In use, 1, load sieve plate, sieve plate is headed into cylinder pusher to bottom cylinder with dress post push rod instrument.2, install filler additional, weigh required adsorption stuffing, if multiple mixed adsorbent obtains first and weighs afterwards and mix.Then cylinder is vertical, and long neck funnel is inserted in cylinder, adds required filler in funnel, mentions gently funnel, raps and makes filler upper surface concordant.Attention: 1. the neck of long neck funnel will have enough length, preferably can approach lower sieve plate substantially; 2. when funnel is mentioned, should avoid filler to be bonded on inboard wall of cylinder.Load onto sieve plate, keep cylinder vertical, with filling post instrument, sieve plate is headed into cylinder, then with filling post instrument, sieve plate is shifted onto to the compacting of filler upper surface.
In the time also having space between filler upper surface and upper sieve plate, plumbness is rapped cylinder, again with dress post instrument, sieve plate is shifted onto to appropriate location.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. a portable solid phase extraction column filling device, is characterized in that, comprises a clamping part for fixed extractor post, described clamping part one end is connected with handle, on described handle, be provided with a through hole, be provided with push rod by this through hole, described push rod can go deep in clamping part through this through hole.
2. the portable solid phase extraction column of one according to claim 1 filling device, is characterized in that, described clamping part is U-shaped structure.
3. the portable solid phase extraction column of one according to claim 1 filling device, is characterized in that, described clamping part comprises two clamping plate, is provided with postive stop baffle at described clamping plate end, and described two clamping plate are fixedly connected with handle respectively and are not connected.
4. the portable solid phase extraction column of one according to claim 1 filling device, it is characterized in that, described push rod extends to cover in the part of clamping part spring, is provided with the block for restraining spring on described push rod, and described spring is between block and handle.
5. the portable solid phase extraction column of one according to claim 1 filling device, is characterized in that, described clamping part is made by stainless steel.
6. the portable solid phase extraction column of one according to claim 1 filling device, is characterized in that, is set with at least one steel O type turn on described clamping part.
7. the portable solid phase extraction column of one according to claim 1 filling device, is characterized in that, described clamping part interior extremity is provided with the soft pad with described postive stop baffle laminating.
8. the portable solid phase extraction column of one according to claim 1 filling device, it is characterized in that, described push rod is two-part structure, comprise the body of rod be loaded extraction column in the push rod cup that contacts of sieve plate, described push rod cup and the described body of rod are threaded connection.
9. the portable solid phase extraction column of one according to claim 8 filling device, is characterized in that, described push rod cup end diameter is 10mm-60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025725.1U CN203634862U (en) | 2014-01-14 | 2014-01-14 | Portable solid phase extraction column filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025725.1U CN203634862U (en) | 2014-01-14 | 2014-01-14 | Portable solid phase extraction column filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203634862U true CN203634862U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420025725.1U Expired - Fee Related CN203634862U (en) | 2014-01-14 | 2014-01-14 | Portable solid phase extraction column filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203634862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243170A (en) * | 2017-07-13 | 2017-10-13 | 江苏联宇医疗器械有限公司 | A kind of medical activated carbon adsorption column |
-
2014
- 2014-01-14 CN CN201420025725.1U patent/CN203634862U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243170A (en) * | 2017-07-13 | 2017-10-13 | 江苏联宇医疗器械有限公司 | A kind of medical activated carbon adsorption column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20150114 |
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| EXPY | Termination of patent right or utility model |