CN208091983U - Improved performance liquid chromatographic column - Google Patents
Improved performance liquid chromatographic column Download PDFInfo
- Publication number
- CN208091983U CN208091983U CN201820597198.XU CN201820597198U CN208091983U CN 208091983 U CN208091983 U CN 208091983U CN 201820597198 U CN201820597198 U CN 201820597198U CN 208091983 U CN208091983 U CN 208091983U
- Authority
- CN
- China
- Prior art keywords
- cutting ferrule
- column
- ferrule
- tube
- lower cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The utility model discloses a kind of improved performance liquid chromatographic columns, including column tube, ferrule assemblies, column cap, sieve plate and distribution plate, column tube both ends are equipped with ferrule assemblies, ferrule assemblies include upper cutting ferrule and lower cutting ferrule, connecting tube is equipped between upper cutting ferrule and lower cutting ferrule, upper cutting ferrule and lower cutting ferrule are located at the ring-shaped depression of connecting tube upper and lower ends, even column tube is equipped on the inside of lower cutting ferrule lower face, it is respectively equipped with distribution plate at the top of column tube upper and lower ends, distribution plate side and the central part lower face of lower cutting ferrule are in contact, the other side is equipped with sieve plate, column core is equipped between the sieve plate of both sides, it is filler on the outside of column core, column cap is equipped on the outside of the ferrule assemblies of both ends, guide hole is equipped at the column cap center of upper end, blind hole is equipped at the column cap center of lower end.The reasonable for structure of the utility model simply can be screened before and after detecting sample and entering column tube and screen again, can be updated according to service condition for the first time, and prevent from, because a large amount of importings cause to overflow, using more convenient.
Description
Technical field
The utility model is related to instrument field, specifically a kind of improved performance liquid chromatographic column.
Background technology
Liquid chromatograph includes mainly：Several part-structures such as high pressure pump, injector, chromatographic column, detector, wherein color
Spectrum column is referred to as chromatographic heart, and what the quality of column performance directly affected entire chromatographic system separates, analyzes detection
Effect.Chromatographic column can be divided into packed column and open tubular column two major classes.The separating effect of chromatographic column depends on selected stationary phase, with
And preparation and the operating condition of chromatographic column.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of improved performance liquid chromatographic column.
The technical solution of the utility model is：A kind of improved performance liquid chromatographic column, including column tube, ferrule assemblies, column
Head, sieve plate and distribution plate, column tube both ends are equipped with ferrule assemblies, and ferrule assemblies include upper cutting ferrule and lower cutting ferrule, upper cutting ferrule and lower card
Connecting tube is equipped between set, upper cutting ferrule and lower cutting ferrule are located at the ring-shaped depression of connecting tube upper and lower ends, and connecting tube is most
At major diameter and the equal length of upper cutting ferrule and lower cutting ferrule, lower cutting ferrule are " H " type, and column tube, column are equipped on the inside of lower cutting ferrule lower face
It is respectively equipped with distribution plate at the top of pipe upper and lower ends, the central part lower face of distribution plate side and lower cutting ferrule is in contact, the other side
Equipped with sieve plate, it is equipped with column core between the sieve plate of both sides, is filler on the outside of column core, column cap, upper newel post is equipped on the outside of the ferrule assemblies of both ends
It is equipped with guide hole at head center, blind hole is equipped at the column cap center of lower end.
Further, it is connected through a screw thread between column cap and ferrule assemblies, internal thread, column is equipped on the inside of lower cutting ferrule lower face
Pipe upper surface outer surface is equipped with external screw thread, lower to be connected through a screw thread between cutting ferrule and column tube.
Further, distribution plate is trapezoidal, is fitted closely between distribution plate and sieve plate.
The utility model is beneficial in that：The performance liquid chromatographic column of the utility model is reasonable for structure simple, is examining
Sample can be screened before and after entering column tube and be screened again for the first time, can be updated according to service condition, and prevent because
It causes to overflow largely to import, use more convenient.
Utility model content
The utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of improved performance liquid chromatographic column, including column tube 7, ferrule assemblies, column cap 1, sieve plate 6 and distribution plate 5, column tube
7 both ends are equipped with ferrule assemblies, and ferrule assemblies include upper cutting ferrule 2 and lower cutting ferrule 3, and connecting tube is equipped between upper cutting ferrule 2 and lower cutting ferrule 3
4, upper cutting ferrule 2 and lower cutting ferrule 3 are located at the ring-shaped depression of 4 upper and lower ends of connecting tube, at the maximum gauge of connecting tube 4 with it is upper
The equal length of cutting ferrule 2 and lower cutting ferrule 3, lower cutting ferrule 3 are " H " type, and column tube 7, about 7 column tube are equipped on the inside of lower 3 lower face of cutting ferrule
It is respectively equipped with distribution plate 5 at the top of both ends, the central part lower face of 5 side of distribution plate and lower cutting ferrule 3 is in contact, and the other side is equipped with
Sieve plate 6 is equipped with column core 9 between both sides sieve plate 6, and 9 outside of column core is filler 8, and column cap 1, upper end are equipped on the outside of the ferrule assemblies of both ends
It is equipped with guide hole 1-1 at column cap center, blind hole 10 is equipped at the column cap center of lower end.
It is connected through a screw thread between column cap 1 and ferrule assemblies, internal thread, 7 upper end of column tube is equipped on the inside of lower 3 lower face of cutting ferrule
Face outer surface is equipped with external screw thread, is connected through a screw thread between lower cutting ferrule 3 and column tube 7.
Distribution plate 5 is trapezoidal, is fitted closely between distribution plate 5 and sieve plate 6.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Wherein：1, column cap, 1-1, guide hole, 2, upper cutting ferrule, 3, lower cutting ferrule, 4, connecting tube, 5, distribution plate, 6, sieve plate, 7, column
Pipe, 8, filler, 9, column core, 10, blind hole.
Claims (3)
1. a kind of improved performance liquid chromatographic column, it is characterised in that：Including column tube, ferrule assemblies, column cap, sieve plate and distribution
Disk, the column tube both ends are equipped with ferrule assemblies, and the ferrule assemblies include upper cutting ferrule and lower cutting ferrule, the upper cutting ferrule and lower cutting ferrule
Between be equipped with connecting tube, the upper cutting ferrule and lower cutting ferrule be located at the ring-shaped depression of connecting tube upper and lower ends, the connection
With the equal length of upper cutting ferrule and lower cutting ferrule at the maximum gauge of pipe, the lower cutting ferrule is " H " type, in the lower cutting ferrule lower face
Side is equipped with column tube, and distribution plate, the central part of the distribution plate side and lower cutting ferrule are respectively equipped at the top of the column tube upper and lower ends
Point lower face is in contact, and the other side is equipped with sieve plate, and column core is equipped between the both sides sieve plate, is filler, institute on the outside of the column core
It states and is equipped with column cap on the outside of the ferrule assemblies of both ends, be equipped with guide hole at upper end column cap center, the lower end column cap is equipped at center
Blind hole.
2. a kind of improved performance liquid chromatographic column according to claim 1, it is characterised in that：The column cap and cutting ferrule group
It is connected through a screw thread between part, internal thread is equipped on the inside of the lower cutting ferrule lower face, column tube upper surface outer surface is equipped with outer
Screw thread is connected through a screw thread between the lower cutting ferrule and column tube.
3. a kind of improved performance liquid chromatographic column according to claim 1, it is characterised in that：The distribution plate is in ladder
Shape fits closely between the distribution plate and sieve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820597198.XU CN208091983U (en) | 2018-04-25 | 2018-04-25 | Improved performance liquid chromatographic column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820597198.XU CN208091983U (en) | 2018-04-25 | 2018-04-25 | Improved performance liquid chromatographic column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091983U true CN208091983U (en) | 2018-11-13 |
Family
ID=64052517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820597198.XU Expired - Fee Related CN208091983U (en) | 2018-04-25 | 2018-04-25 | Improved performance liquid chromatographic column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239309A (en) * | 2020-01-20 | 2020-06-05 | 安徽省先锋制药有限公司 | High performance liquid chromatography column |
-
2018
- 2018-04-25 CN CN201820597198.XU patent/CN208091983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239309A (en) * | 2020-01-20 | 2020-06-05 | 安徽省先锋制药有限公司 | High performance liquid chromatography column |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 |