CN202802939U - Sample filter for HPLC (high performance liquid chromatography) - Google Patents
Sample filter for HPLC (high performance liquid chromatography) Download PDFInfo
- Publication number
- CN202802939U CN202802939U CN 201220448860 CN201220448860U CN202802939U CN 202802939 U CN202802939 U CN 202802939U CN 201220448860 CN201220448860 CN 201220448860 CN 201220448860 U CN201220448860 U CN 201220448860U CN 202802939 U CN202802939 U CN 202802939U
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- Prior art keywords
- filter
- bottle
- receiving
- receiving bottle
- cap
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Abstract
The utility model provides a sample filter for an HPLC (high performance liquid chromatography) color spectru, which relates to a filter. The sample filter provided by the utility model comprises a filtering bottle, a filter, a receiving bottle, a movable connecting clamp, a helium supply device, a collecting bottle, a sampling duct and a sampling pump, wherein a filter head is in buckling connection with a multi-linkage filtering funnel, and a filter membrane is flatly laid on the top layer of the multi-linkage filtering funnel; the filter connects the filtering bottler with the receiving bottle to form a whole body by virtue of the movable connecting clamp; two through holes are formed in a bottle cover of the receiving bottle, and the bottom of the multi-linkage filtering funnel penetrates through one through hole in the bottle cover to reach down into a receiving bottle body; and the sampling pump is arranged on the sampling duct which communicates the collecting bottle with the receiving bottle by the other through hole in the bottle cover of the receiving bottle. The sample filter further comprises a machine head lifting device which is fixedly arranged at the upper part of a lead screw by two support rods. The sample filter is suitable for a laboratory of a university and moderate speciality school or a medical institution.
Description
Technical field
The utility model relates to a kind of filter, is specifically related to a kind of sample filtration device for the HPLC chromatogram.
Background technology
Filter has a wide range of applications in the laboratory, existing filter is comprised of filter bowl, filter membrane, filter and receiving bottle, receiving bottle is triangular form normally, when filtering solvent to 2/3 place of receiving bottle, need filter bowl and filter are removed, filtrate after filtering is deposited in another container, there is following shortcoming usually in the filter of this type: 1. when the solvent of required filtration can not once be finished, after need re-assemblying, could continue by filter to use, increase the difficulty of operation, reduced operating efficiency; 2. in filter process, manually-operated is too much, and filter effect is undesirable; 3. the pressure that bears of triangular form receiving bottle is less, the bottle explosion phenomenon may occur when solvent is too much.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of sample filtration device, and filter process is semi-automatic, easy to operate, improved operating efficiency, filter effect is splendid, is beneficial in the laboratory to promote the use of.
The technical solution of the utility model is: a kind of sample filtration device for the HPLC chromatogram, comprise filtering flask, filter, receiving bottle, flexible connection folder, helium feeding mechanism, receiving flask, sampling catheter and sampling pump, it is characterized in that: described filter is comprised of filter, filter membrane and multi-joint filter tunnel, filter is connected with multi-joint filter tunnel buckle-type, and filter membrane is tiled in the top layer of multi-joint filter tunnel; Described filter connects as one filtering flask and receiving bottle by being flexibly connected folder; Described receiving bottle bottle cap is provided with two through holes, and the through hole that the bottom of multi-joint filter tunnel is passed on the bottle cap is insinuated in the receiving bottle bottle; Described sampling pump is arranged on the sampling catheter, and described sampling catheter is communicated with receiving flask by another through hole on the receiving bottle bottle cap with receiving bottle, and described receiving flask is arranged on the outside of receiving bottle.
Described sample filtration device for the HPLC chromatogram also comprises the head lifting apparatus, described head lifting apparatus comprises base, leading screw, motor, bracing frame, silk cap and fixed bar, leading screw vertically is installed on the base, bracing frame is packed in the top of leading screw by two poles, motor and helium feeding mechanism are successively set in the bracing frame, the output of motor is connected with the upper end of leading screw, and a silk cap rotatably is sleeved on the leading screw, is flexibly connected folder and is fixedly connected with by between fixed bar and the cap; Also be provided with connected entrance on described filter, an end of helium connecting hose is connected with the helium feeding mechanism, and the other end of helium connecting hose is connected with connected entrance on the filter.
In the product of the present utility model, the termination that described sampling catheter is arranged in the receiving bottle bottle is connected with the suction filtration suction nozzle.Described receiving bottle bottle cap is designed to V-type.
The utility model compared with prior art has following effect: 1. head lifting support of the present utility model is realized the lifting of head by the driven by motor leading screw, can be according to filtering flask volume size vertical direction adjusted position, to adapt to the experiment needs, it is with low cost, is easy to realize.2. filter of the present utility model is semi-automatic product, has reduced the difficulty of operation, has promoted operating efficiency.3. product of the present utility model has guaranteed objectivity and the accuracy of the filter solvents data of surveying.4. the utility model is simple in structure, and is easy to use, applied widely.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1, a kind of sample filtration device for the HPLC chromatogram, comprise filtering flask 1, filter, receiving bottle 2, be flexibly connected folder 3, helium feeding mechanism 4, receiving flask 5, sampling catheter 6 and sampling pump 7, described filter is comprised of filter 8, filter membrane 9 and multi-joint filter tunnel 10, filter is connected with multi-joint filter tunnel buckle-type, and filter membrane 9 is tiled in the top layer of multi-joint filter tunnel 10; Described filter connects as one filtering flask 1 and receiving bottle 2 by being flexibly connected folder 3; Described receiving bottle bottle cap 11 is provided with two through holes, and the through hole that the bottom of multi-joint filter tunnel is passed on the bottle cap is insinuated in the receiving bottle bottle; Described sampling pump 7 is arranged on the sampling catheter 6, and described sampling catheter is communicated with receiving flask by another through hole on the receiving bottle bottle cap with receiving bottle, and described receiving flask 5 is arranged on the outside of receiving bottle 2;
Described sample filtration device for the HPLC chromatogram also comprises the head lifting apparatus, described head lifting apparatus comprises base 12, leading screw 13, motor 14, bracing frame 15, silk cap 16 and fixed bar 17, leading screw vertically is installed on the base, bracing frame 15 is packed in the top of leading screw 13 by two poles, motor and helium feeding mechanism 4 are successively set in the bracing frame 15, the output of motor is connected with the upper end of leading screw 13, silk cap 16 rotatably is sleeved on the leading screw 13, is flexibly connected folder 3 and is fixedly connected with by between fixed bar 17 and the cap 16; Also be provided with connected entrance 18 on described filter 8, an end of helium connecting hose 19 is connected with helium feeding mechanism 4, and the other end of helium connecting hose 19 is connected with connected entrance 18 on the filter 8.
The termination that described sampling catheter is arranged in the receiving bottle bottle is connected with suction filtration suction nozzle 20.
Described receiving bottle bottle cap 11 is designed to V-type.The V-type lid can reduce the evaporation rate of filtrate.By test in 24 hours, under 37 ° of C conditions, its evaporation rate can be less than 0.3%.And other has been equipped with the receiving bottle of vaporization prevention lid, and under the long period of experiments state, its evaporation rate still can reach more than 5%.
The helium feeding mechanism that relates in the utility model is prior art.
The specific embodiment two: the difference of present embodiment and the specific embodiment one is, can adopt vacuum pumping pump to substitute the helium feeding mechanism to the filtered fluid deacration, and described vacuum pumping pump is connected with vavuum pump connected entrance 21 on the filter by flexible pipe.Other is identical with the specific embodiment one.
In the present embodiment, because leach the asynchronism(-nization) of filtrate in the filter process, the filtrate volume that leaches is also different, therefore sampling height up to specification should not be a fixing position, need to be flexibly connected according to the adjustment of different experiments purpose the height of folder, in order to adjust the differing heights of suction filtration suction nozzle in receiving cup.
In real work, by the lifting of operational order control bracing frame, realize that sampling pump by sampling catheter at one time, under the sustained height, test to same solvent or different solvents.Also operational order be can pass through, different sample times, different sampling height and sampling amount are arranged to.
Have air in receiving bottle, when need removing air, the connected entrance on the logical filter of helium feeding mechanism can reach desirable deacration effect after passing into the helium of certain hour in the receiving bottle bottle.
Claims (3)
1. sample filtration device for the HPLC chromatogram, comprise filtering flask (1), filter, receiving bottle (2), be flexibly connected folder (3), helium feeding mechanism (4), receiving flask (5), sampling catheter (6) and sampling pump (7), it is characterized in that: described filter is comprised of filter (8), filter membrane (9) and multi-joint filter tunnel (10), filter is connected with multi-joint filter tunnel buckle-type, and filter membrane (9) is tiled in the top layer of multi-joint filter tunnel (10); Described filter connects as one filtering flask (1) and receiving bottle (2) by being flexibly connected folder (3); Described receiving bottle bottle cap (11) is provided with two through holes, and the through hole that the bottom of multi-joint filter tunnel is passed on the bottle cap is insinuated in the receiving bottle bottle; Described sampling pump (7) is arranged on the sampling catheter (6), and described sampling catheter is communicated with receiving flask by another through hole on the receiving bottle bottle cap with receiving bottle, and described receiving flask (5) is arranged on the outside of receiving bottle (2);
Described sample filtration device for the HPLC chromatogram also comprises the head lifting apparatus, described head lifting apparatus comprises base (12), leading screw (13), motor (14), bracing frame (15), silk cap (16) and fixed bar (17), leading screw (13) vertically is installed on the base (12), bracing frame (15) is packed in the top of leading screw (13) by two poles, motor and helium feeding mechanism (4) are successively set in the bracing frame (15), the output of motor is connected with the upper end of leading screw (13), silk cap (16) rotatably is sleeved on the leading screw (13), is flexibly connected folder (3) and is fixedly connected with by between fixed bar (17) and the cap (16); Also be provided with connected entrance (18) on described filter (8), an end of helium connecting hose (19) is connected with helium feeding mechanism (4), and the other end of helium connecting hose (19) is connected with connected entrance (18) on the filter (8).
2. a kind of sample filtration device for the HPLC chromatogram according to claim 1 is characterized in that: the termination that described sampling catheter is arranged in the receiving bottle bottle is connected with suction filtration suction nozzle (20).
3. a kind of sample filtration device for the HPLC chromatogram according to claim 1 and 2, it is characterized in that: described receiving bottle bottle cap (11) is designed to V-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448860 CN202802939U (en) | 2012-09-05 | 2012-09-05 | Sample filter for HPLC (high performance liquid chromatography) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448860 CN202802939U (en) | 2012-09-05 | 2012-09-05 | Sample filter for HPLC (high performance liquid chromatography) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202802939U true CN202802939U (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220448860 Expired - Fee Related CN202802939U (en) | 2012-09-05 | 2012-09-05 | Sample filter for HPLC (high performance liquid chromatography) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202802939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585806A (en) * | 2013-10-10 | 2014-02-19 | 中国科学院东北地理与农业生态研究所 | Suction filtration device and suction filtration method |
| CN106861263A (en) * | 2017-03-01 | 2017-06-20 | 四川佳怡德环境科技有限公司 | The device of water sample pre-treatment in fast filtering environment measuring |
-
2012
- 2012-09-05 CN CN 201220448860 patent/CN202802939U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585806A (en) * | 2013-10-10 | 2014-02-19 | 中国科学院东北地理与农业生态研究所 | Suction filtration device and suction filtration method |
| CN106861263A (en) * | 2017-03-01 | 2017-06-20 | 四川佳怡德环境科技有限公司 | The device of water sample pre-treatment in fast filtering environment measuring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tianjin Lanllike Chemistry Electronic High-tech Co., Ltd. Assignor: Gai Honghui| Heihe University| Liu Lihong| Li Lianchuang Contract record no.: 2015230000004 Denomination of utility model: Sample filter for HPLC (high performance liquid chromatography) Granted publication date: 20130320 License type: Exclusive License Record date: 20150123 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |