CN207181379U - Gas chromatograph sampling device stopping means - Google Patents
Gas chromatograph sampling device stopping means Download PDFInfo
- Publication number
- CN207181379U CN207181379U CN201721107515.7U CN201721107515U CN207181379U CN 207181379 U CN207181379 U CN 207181379U CN 201721107515 U CN201721107515 U CN 201721107515U CN 207181379 U CN207181379 U CN 207181379U
- Authority
- CN
- China
- Prior art keywords
- limiter
- gas chromatograph
- sampling device
- stopping means
- device stopping
- 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
Links
Abstract
It the utility model is related to chromatography instrument technical field, more particularly to a kind of gas chromatograph sampling device stopping means.Including the upper plate, limiter and lower plate being sequentially connected from top to bottom；The upper plate is provided with syringe needle hole, and the lower plate is also correspondingly arranged syringe needle hole；The limiter includes the piston in limiter cylinder and cylinder, and the piston is fixedly connected with push rod；The limiter cylinder lower end is provided with feed tube and drain pipe；The feed tube connects charger.Whereby, the purpose of this utility model is to provide a kind of gas chromatograph sampling device stopping means, the limiter of piston and push rod is included by being set between upper and lower plate, and set feed tube and drain pipe in the lower end of limiter bucket.Simultaneously fixed needle position is adjusted by the way of feed tube water filling using charger.Upper plate keep level is made using each limiter of communicating pipe connection simultaneously, ensure that the precision of regulation.
Description
Technical field
It the utility model is related to chromatography instrument technical field, more particularly to a kind of spacing dress of gas chromatograph sampling device
Put.
Background technology
When hand sampling gas chromatographic analysis detects, it is desirable to want one in the position of sample introduction needle insertion gas chromatograph injection port
Cause, to make detection data that there is good repeatability；Therefore, injector insert the length of injection port every time should be first latter
Cause.The length for needing visual syringe needle to enter but the sample introduction needle of existing injector is all longer, during sample introduction, so being difficult to keep into depth
Unanimously.
In summary, prior art there will naturally be inconvenience and defect in actual use, and it is therefore necessary to improved.
Utility model content
For it is above-mentioned the defects of, the purpose of this utility model is to provide a kind of gas chromatograph sampling device stopping means,
Include the limiter of piston and push rod by being set between upper and lower plate, and feed tube and drain pipe are set in the lower end of limiter bucket.
Simultaneously fixed needle position is adjusted by the way of feed tube water filling using charger.Make simultaneously using each limiter of communicating pipe connection
Upper plate keep level, it ensure that the precision of regulation.
To achieve these goals, a kind of gas chromatograph sampling device stopping means, including be sequentially connected from top to bottom
Upper plate, limiter and lower plate；The upper plate is provided with syringe needle hole, and the lower plate is also correspondingly arranged syringe needle hole；The limiter bag
The piston in limiter cylinder and cylinder is included, the piston is fixedly connected with push rod；
The limiter cylinder lower end is provided with feed tube and drain pipe；The feed tube connects charger.
The upper plate is flexibly connected with limiter.
The upper plate is provided with push rod head bore corresponding with the push rod.
The upper plate is additionally provided with the needle stand hole coordinated with the needle holder of the injector, the needle stand hole and the syringe needle hole
Coaxially.
The quantity of the limiter is 2-4.
The feed tube is equipped with switch with drain pipe.
There is graduation mark on the ladle body of the limiter cylinder
The lower plate is provided with the neck being connected with chromatographic column, and the neck and the syringe needle hole are coaxial.
The lower end of described and each limiter is connected using communicating pipe.
The purpose of this utility model is to provide a kind of gas chromatograph sampling device stopping means, by being set between upper and lower plate
The limiter including piston and push rod is put, and feed tube and drain pipe are set in the lower end of limiter bucket.Using charger from entering
The mode of liquid pipe water filling adjusts and fixed needle position.Upper plate keep level is made using each limiter of communicating pipe connection simultaneously,
It ensure that the precision of regulation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model a-quadrant；
Fig. 3 is the structural representation of the utility model B area；
1- upper plates in figure, 11- needle stands hole, 12- syringe needle holes, 13- push rod head bore；2- limiters, 21- push rods, 22- pistons；
3- lower plates, 4- injectors, 41- syringe needles；5- chargers, 61- feed tubes, 62- communicating pipes, 63- drain pipes.
Embodiment
Referring to Fig. 1, the utility model provides a kind of gas chromatograph sampling device stopping means, including from top to bottom successively
Upper plate 1, limiter 2 and the lower plate 3 of connection；The upper plate 1 is provided with syringe needle hole 12, and the lower plate 3 is also correspondingly arranged syringe needle hole；
The limiter 2 includes the piston 22 in limiter cylinder and cylinder, and the piston 22 is fixedly connected with push rod 21；
The limiter cylinder lower end is provided with feed tube 61 and drain pipe 63；The feed tube 61 connects charger 5.
Referring to figure, 3, it is preferred that in order to which practical operation facilitates upper plate 1 of the present utility model to be flexibly connected with limiter 2；
Lower plate 3 is fixedly connected with limiter 2.The upper plate 1 is provided with push rod head bore 13 corresponding with push rod 21, and the hole is counterbore, directly
Footpath is more bigger than push rod cup, convenient to be socketed push rod cup, realizes the connection with limiter 2.
Referring to Fig. 2, it is preferred that upper plate 1 of the present utility model is additionally provided with needle stand hole 11, the needle stand hole 11 be counterbore its
Center and the syringe needle hole 12 are coaxial；Needle stand hole and the needle holder of the injector 4 coordinate；Play fixed injector 4；
Preferably, the quantity of limiter 2 of the present utility model is 2-4, and the lower end of each limiter 2 uses communicating pipe
62 connections.Feed tube 61 is equipped with switch with drain pipe 63.
Preferably, there is graduation mark on the ladle body of limiter cylinder of the present utility model.
Preferably, lower plate 3 of the present utility model is provided with the neck being connected with chromatographic column, the neck and the syringe needle hole
12 is coaxial.
Below, content of the present utility model is furtherd elucidate by embodiment.
During detection, in chromatographic column that lower plate 3 of the present utility model is placed, pass through neck and positioned with chromatographic column.
The switch shut at drain pipe 63, the switch at feed tube 61 is opened, liquid will be driven to inject by charger 5, this
Utility model does driving liquid using water.After water injection, piston 22 and push rod 21 rise；Now the injector 4 for installing sample is filled
On upper plate 1, syringe needle 41 passes through syringe needle hole 12, and needle holder coordinates with needle stand hole 11 fixes.Then it is integrally placed on push rod 21,
Push rod head bore 13 is corresponding to be buckled on push rod, and syringe needle 11 passes through the syringe needle hole of lower plate.
Now, the switch at drain pipe 63 is opened, upper plate is pushed, makes the position that needs are fallen under piston 22, and record quarter
Degree.Then switch is shut, is tested.
Later each sample adjusts so far scale.
In summary, the utility model includes the limiter of piston and push rod by being set between upper and lower plate, and in limiter
The lower end of bucket sets feed tube and drain pipe.Simultaneously fixed needle position is adjusted by the way of feed tube water filling using charger.Together
When make upper plate keep level using connecting each limiter communicating pipe, ensure that the precision of regulation.
Certainly, the utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence
In the case of, those skilled in the art work as can make various corresponding changes and deformation according to the utility model, but these
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (9)
1. a kind of gas chromatograph sampling device stopping means, it is characterised in that including the upper plate, spacing being sequentially connected from top to bottom
Device and lower plate；The upper plate is provided with syringe needle hole, and the lower plate is also correspondingly arranged syringe needle hole；The limiter includes limiter cylinder
And the piston in cylinder, the piston are fixedly connected with push rod；
The limiter cylinder lower end is provided with feed tube and drain pipe；The feed tube connects charger.
2. gas chromatograph sampling device stopping means according to claim 1, it is characterised in that the upper plate and limiter
It is flexibly connected.
3. gas chromatograph sampling device stopping means according to claim 2, it is characterised in that the upper plate is provided with and institute
State push rod head bore corresponding to push rod.
4. gas chromatograph sampling device stopping means according to claim 1, it is characterised in that the upper plate be additionally provided with
The needle stand hole that the needle holder of the injector coordinates, the needle stand hole and the syringe needle hole are coaxial.
5. gas chromatograph sampling device stopping means according to claim 1, it is characterised in that the quantity of the limiter
For 2-4.
6. gas chromatograph sampling device stopping means according to claim 1, it is characterised in that the feed tube is with going out liquid
Pipe is equipped with switch.
7. gas chromatograph sampling device stopping means according to claim 1, it is characterised in that the bucket of the limiter cylinder
There is graduation mark with it.
8. gas chromatograph sampling device stopping means according to claim 1, it is characterised in that the lower plate is provided with and color
The neck of post connection is composed, the neck and the syringe needle hole are coaxial.
9. the gas chromatograph sampling device stopping means according to claim 1~8 any one, it is characterised in that described
The lower end of each limiter is connected using communicating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107515.7U CN207181379U (en) | 2017-08-31 | 2017-08-31 | Gas chromatograph sampling device stopping means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107515.7U CN207181379U (en) | 2017-08-31 | 2017-08-31 | Gas chromatograph sampling device stopping means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181379U true CN207181379U (en) | 2018-04-03 |
Family
ID=61742176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721107515.7U Expired - Fee Related CN207181379U (en) | 2017-08-31 | 2017-08-31 | Gas chromatograph sampling device stopping means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207181379U (en) |
-
2017
- 2017-08-31 CN CN201721107515.7U patent/CN207181379U/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: 20180403 Termination date: 20200831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |