CN206725514U - A kind of metal chromatographic column and the attachment means of gas chromatograph carrier gas auxiliary - Google Patents
A kind of metal chromatographic column and the attachment means of gas chromatograph carrier gas auxiliary Download PDFInfo
- Publication number
- CN206725514U CN206725514U CN201720285862.2U CN201720285862U CN206725514U CN 206725514 U CN206725514 U CN 206725514U CN 201720285862 U CN201720285862 U CN 201720285862U CN 206725514 U CN206725514 U CN 206725514U
- Authority
- CN
- China
- Prior art keywords
- chromatographic column
- carrier gas
- fixing nut
- part body
- gas auxiliary
- 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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Abstract
The utility model provides a kind of metal chromatographic column and the attachment means of gas chromatograph carrier gas auxiliary, the connector includes part body, positioned at part body top, the first fixing nut for being connected with carrier gas auxiliary, positioned at part body bottom, the second fixing nut for stationary chromatographic post；Set on the part body longitudinal centre line for circular hollow, part in vivo, the bottom of the first fixing nut, the second fixing nut top be provided with step, the step bottom is provided with the L-type annular gasket for making chromatographic column be located on bushing pipe longitudinal centre line, the internal diameter of the pad is slightly larger than the external diameter of chromatographic column, and the first O-ring seal is provided with first fixing nut.The utility model sets connector among carrier gas auxiliary and chromatographic column, substantially increases the air-tightness between chromatographic column and carrier gas auxiliary, improves the precision of instrument, adds separation, the degree of accuracy of analysis of gas chromatograph.
Description
Technical field
It the utility model is related to gas-chromatography instrument field, more particularly to a kind of metal chromatographic column and gas chromatograph carrier gas
The attachment means of auxiliary.
Background technology
Gas chromatograph is a kind of instrument for each component in mixed gas analyze detection.Gas chromatograph, will
After analysis sample gasifies in injection port, chromatographic column is brought into by carrier gas, by there are different reservations to component in mixture to be detected
The chromatographic column of performance, separates each component, imports detector successively, to obtain the detection signal of each component.Detected according to importing
The precedence of device, by contrast, it is possible to distinguish what component goes out is, each component can be calculated according to peak heights or peak area
Content.
The general chromatographic column connection carrier gas auxiliary of conventional gas-phase chromatograph, it is airtight using such a connected mode, gas chromatograph
Property deficiency, temperature control it is poor, so precision and reliability deficiency.
Utility model content
The purpose of this utility model is the provision of a kind of metal chromatographic column and the connection of gas chromatograph carrier gas auxiliary fills
Put, to solve the problem of conventional gas-phase chromatograph air-tightness deficiency, low precision.
To solve problem above, the utility model uses following technical scheme：A kind of metal chromatographic column and gas chromatograph
The attachment means of carrier gas auxiliary, including sample introduction mouth mechanism, the carrier gas auxiliary being threadedly coupled with sample introduction mouth mechanism, with carrier gas auxiliary spiral shell
The connector of line connection, the metal chromatographic column being connected with connector；The connector includes part body, positioned at part body top, is used for
The first fixing nut being connected with carrier gas auxiliary, positioned at part body bottom, the second fixing nut for stationary chromatographic post；The part
On body longitudinal centre line for circular hollow set, part in vivo, the bottom of the first fixing nut, the second fixing nut top set
Step is equipped with, the step bottom is provided with the L-type annular gasket for making chromatographic column be located on bushing pipe longitudinal centre line, the pad
Internal diameter be slightly larger than the external diameter of chromatographic column, be provided with the first O-ring seal in first fixing nut.
Further, the bottom of second fixing nut is provided with the extension for consolidating chromatographic column.
Further, it is provided with the second O-ring seal at the lower port of the part body.
The beneficial effects of the utility model：The utility model sets connector among carrier gas auxiliary and chromatographic column, significantly
Improve the air-tightness between chromatographic column and carrier gas auxiliary, improve the precision of instrument, add gas chromatograph separation,
The degree of accuracy of analysis.
Brief description of the drawings
Fig. 1：The utility model structure diagram.
Wherein：1 is sample introduction mouth mechanism, and 2 be carrier gas auxiliary, and 3 be connector, and 4 be chromatographic column, and 5 be heat block, and 11 be solid pad
Nut, 12 be pad, and 13 be guide, and 21 be that dottle pin purge gass export, and 22 be carrier gas inlet, and 23 be bushing pipe, and 24 be silica wool,
31 be part body, and 32 be the first fixing nut, and 33 be the second fixing nut, and 34 be step, and 35 be fixed pad, and 36 be first O-shaped close
Seal, 37 be extension, and 38 be the second O-ring seal.
Embodiment
The utility model is illustrated with reference to the drawings and specific embodiments, but is not limited only to following examples.
As shown in figure 1, the utility model provides a kind of metal chromatographic column and the attachment means of gas chromatograph carrier gas auxiliary,
Including sample introduction mouth mechanism 1, the carrier gas auxiliary 2 being threadedly coupled with sample introduction mouth mechanism 1, the connector being threadedly coupled with carrier gas auxiliary 2
3, the metal chromatographic column 4 being connected with connector 3；The connector 3 includes part body 31, positioned at the top of part body 31, is used for and carrier gas
The first fixing nut 32 that auxiliary 2 connects, the second fixing nut 33 positioned at the bottom of part body 31, for stationary chromatographic post 4；It is described
Set on the longitudinal centre line of part body 31 for cylindrical hole, in the part body 31, the bottom of the first fixing nut 32, second fix spiral shell
The top of mother 33 is provided with step 34, and the bottom of step 34 is provided with the L-type for making chromatographic column 4 be located on bushing pipe longitudinal centre line
The fixed pad 35 of annular, the internal diameter of the fixed pad 35 are slightly larger than the external diameter of chromatographic column 4, are provided with first fixing nut 32
First O-ring seal 36.
The sample introduction mouth mechanism 1 is followed successively by solid pad nut 11, pad 12, guide 13, the guide 13 from top to bottom
For funnel type, bottom extension rod can be inserted into inside carrier gas auxiliary 2, and the pad 12, guide 13 are located at the top of carrier gas auxiliary 2
In groove, the carrier gas auxiliary 2 is arranged on heat block 5, and top, the right side of carrier gas auxiliary 2 set dottle pin purge gass outlet 21,
In the bottom of carrier gas auxiliary 2, left side, carrier gas inlet 22 is set, the setting bushing pipe 23 on the longitudinal centre line of carrier gas auxiliary 2, and in
Apart from silica wool 24 is set on bushing pipe 23 at bore 10-15 millimeters, the lower end of the bushing pipe 23 connects with the first O-ring seal 36
Touch.
The bottom of second fixing nut 33 is provided with the extension 37 for consolidating chromatographic column 4.The part body 31
The second O-ring seal 38 is provided with lower port.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of metal chromatographic column and the attachment means of gas chromatograph carrier gas auxiliary, it is characterised in that：Including sample introduction mouth mechanism,
The carrier gas auxiliary being threadedly coupled with sample introduction mouth mechanism, the connector being threadedly coupled with carrier gas auxiliary, the metal being connected with connector
Chromatographic column；The connector includes part body, positioned at part body top, the first fixing nut for being connected with carrier gas auxiliary, is located at
Part body bottom, the second fixing nut for stationary chromatographic post；Set on the part body longitudinal centre line for circular hollow, in part
In vivo, the bottom of the first fixing nut, the top of the second fixing nut are provided with step, and the step bottom, which is provided with, makes chromatogram
Post is located at the L-type annular gasket on bushing pipe longitudinal centre line, and the internal diameter of the pad is slightly larger than the external diameter of chromatographic column, and described first
The first O-ring seal is provided with fixing nut.
2. metal chromatographic column according to claim 1 and the attachment means of gas chromatograph carrier gas auxiliary, it is characterised in that：
The bottom of second fixing nut is provided with the extension for consolidating chromatographic column.
3. metal chromatographic column according to claim 2 and the attachment means of gas chromatograph carrier gas auxiliary, it is characterised in that：
The second O-ring seal is provided with the lower port of the part body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285862.2U CN206725514U (en) | 2017-03-09 | 2017-03-09 | A kind of metal chromatographic column and the attachment means of gas chromatograph carrier gas auxiliary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285862.2U CN206725514U (en) | 2017-03-09 | 2017-03-09 | A kind of metal chromatographic column and the attachment means of gas chromatograph carrier gas auxiliary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725514U true CN206725514U (en) | 2017-12-08 |
Family
ID=60502543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720285862.2U Expired - Fee Related CN206725514U (en) | 2017-03-09 | 2017-03-09 | A kind of metal chromatographic column and the attachment means of gas chromatograph carrier gas auxiliary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147245A (en) * | 2020-09-07 | 2020-12-29 | 浙江安联检测技术服务有限公司 | Gas chromatography device |
-
2017
- 2017-03-09 CN CN201720285862.2U patent/CN206725514U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147245A (en) * | 2020-09-07 | 2020-12-29 | 浙江安联检测技术服务有限公司 | Gas chromatography device |
| CN112147245B (en) * | 2020-09-07 | 2022-08-02 | 浙江安联检测技术服务有限公司 | Gas chromatography device |
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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: 20171208 Termination date: 20200309 |