CN104950058A - Gas chromatograph sample injector - Google Patents
Gas chromatograph sample injector Download PDFInfo
- Publication number
- CN104950058A CN104950058A CN201510385245.5A CN201510385245A CN104950058A CN 104950058 A CN104950058 A CN 104950058A CN 201510385245 A CN201510385245 A CN 201510385245A CN 104950058 A CN104950058 A CN 104950058A
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- CN
- China
- Prior art keywords
- gas chromatograph
- injector body
- sucker
- bleeding
- fixator
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Abstract
The invention discloses a gas chromatograph sample injector which comprises a sample injector body and a fixing device, wherein the fixing device is fixedly connected to the end face on one side of the sample injector body; a sucker device is arranged on the fixing device; three sucker bodies arranged in a triangular manner are arranged at one end of the sucker device; suction pressurizing valves are connected to the sucker bodies and are arranged in the sucker device; a push rod is arranged at the rear end of the sample injector body; a needle tube is connected to the push rod; and the front end of the needle tube is led out of the sample injector body. According to the mode, the sample injector can be firmly fixed on the gas chromatograph, so that the sample injector can be relatively stable during sample injection, the structure is compact, the design is reasonable, and the sucker bodies can be firmly adsorbed and fixed on the end face of the instrument side of the gas chromatograph by shifting the suction pressurizing valves during fixing.
Description
Technical field
The present invention relates to gas chromatograph field, particularly relate to a kind of gas chromatograph sampling device.
Background technology
Gas chromatograph is applied very wide in oil, chemical industry, biological chemistry, medical and health, food industry, environmental protection etc.It is except for quantitatively and except qualitative analysis, can also the physicochemical constant such as the partition factor of working sample on Stationary liquid, activity coefficient, molecular weight and specific surface area.A kind of carrying out each component in mixed gas analyzes the instrument detected.And injector is as the sample introduction testing tool of gas chromatograph, key is played a part to whole mensuration process, and traditional injector is just simply simply connected with gas chromatograph, lack stable fixed form, easily cause the stressed heavy and situation about fractureing of needle tubing when sample introduction, affect experiment and carry out.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of gas chromatograph sampling device, and injector can be allowed firmly to be fixed on gas chromatograph, makes injector can be more stable when sample introduction.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of gas chromatograph sampling device, comprise injector body and fixator, described fixator is connected and fixed on described injector body one side end face, described fixator is provided with Acetabula device, described Acetabula device one end is provided with the sucker that three arrangements triangular in shape are arranged, described sucker connects pressurizing valve of bleeding, described pressurizing valve of bleeding is built in described Acetabula device, described injector body rear end is provided with push rod, described push rod is connected with a needle tubing, described needle tubing front end is derived described injector body and is arranged.
In a preferred embodiment of the present invention, described fixator one end and described injector body integral type are connected and fixed, and the described fixator other end is provided with described Acetabula device.
In a preferred embodiment of the present invention, described in pressurizing valve of bleeding embed in described Acetabula device and arrange, described in pressurizing valve one end of bleeding protrude from described Acetabula device end face, described in pressurizing valve of bleeding be provided with profile of tooth driver plate.
In a preferred embodiment of the present invention, described injector body front end surface is provided with a taper rubber cushion, and described needle tubing derives described taper rubber cushion, is tightly connected between described needle tubing and described taper rubber cushion.
In a preferred embodiment of the present invention, the described taper rubber cushion two ends conical surface is also provided with waveform convex buffering flexible glue.
In a preferred embodiment of the present invention, before three described suckers that described Acetabula device is installed, terminal sucker end face is all in the same plane.
The invention has the beneficial effects as follows: the present invention can allow injector firmly be fixed on gas chromatograph, make injector can be more stable when sample introduction, compact conformation, reasonable in design, just sucker firmly can be absorbed and fixed on the instrument side end face of gas chromatograph as long as stir pressurizing valve of bleeding during reinforcing.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of gas chromatograph sampling device one of the present invention preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, injector body; 2, fixator; 3, Acetabula device; 4, sucker; 5, to bleed pressurizing valve; 6, push rod; 7, needle tubing; 8, taper rubber cushion.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of gas chromatograph sampling device, comprise injector body 1 and fixator 2, described fixator 2 is connected and fixed on described injector body 1 one side end face, described fixator 2 is provided with Acetabula device 3, described Acetabula device 3 one end is provided with the sucker 4 that three arrangements triangular in shape are arranged, described sucker 4 connects pressurizing valve 5 of bleeding, described pressurizing valve 5 of bleeding is built in described Acetabula device 3, described injector body 1 rear end is provided with push rod 6, described push rod 6 is connected with a needle tubing 7, described needle tubing 7 front end is derived described injector body 1 and is arranged.
In addition, described fixator 2 one end and described injector body 1 integral type are connected and fixed, and described fixator 2 other end is provided with described Acetabula device 3.
In addition, described in pressurizing valve 5 of bleeding embed in described Acetabula device 3 and arrange, described in pressurizing valve 5 one end of bleeding protrude from described Acetabula device 3 end face, described in pressurizing valve 5 of bleeding be provided with profile of tooth driver plate.
In addition, described injector body 1 front end surface is provided with a taper rubber cushion 8, and described needle tubing 7 derives described taper rubber cushion 8, is tightly connected between described needle tubing 7 and described taper rubber cushion 8.
In addition, the described taper rubber cushion 8 two ends conical surface is also provided with waveform convex buffering flexible glue.
In addition, before three the described suckers 4 described Acetabula device 3 installed, terminal sucker end face is all in the same plane.
Principle of work of the present invention is for be connected and fixed on injector body 1 one side end face by fixator 2, fixator 2 is provided with Acetabula device 3, fixator 2 one end and injector body 1 integral type are connected and fixed, fixator 2 other end is provided with Acetabula device 3, Acetabula device 3 one end is provided with the sucker 4 that three arrangements triangular in shape are arranged, before three suckers 4 that Acetabula device 3 is installed, terminal sucker end face is all in the same plane, sucker 4 connects pressurizing valve 5 of bleeding, pressurizing valve 5 of bleeding is built in Acetabula device 3, pressurizing valve 5 of bleeding embeds in Acetabula device 3 and arranges, pressurizing valve 5 one end of bleeding protrudes from Acetabula device 3 end face, pressurizing valve 5 of bleeding is provided with profile of tooth driver plate, can injector body 1 be fixed on gas chromatograph casing by fixator 2, make that sample introduction is more stable to carry out, time fixing, sucker 4 is first adsorbed on gas chromatograph casing, air in sucker 4 is extracted out by pressurizing valve 5 bleeding regulating of bleeding, sucker 4 can be firmly adsorbed on gas chromatograph casing.
Injector body 1 rear end is provided with push rod 6, push rod 6 is connected with a needle tubing 7, needle tubing 7 front end is derived injector body 1 and is arranged, injector body 1 front end surface is provided with a taper rubber cushion 8, the taper rubber cushion 8 two ends conical surface is also provided with waveform convex buffering flexible glue, needle tubing 7 derives taper rubber cushion 8, is tightly connected between needle tubing 7 and taper rubber cushion 8, after fixator 2 is fixing together with injector body 1, as long as promote push rod 6 just can pass through needle tubing 7 sample introduction stably.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a gas chromatograph sampling device, comprise injector body and fixator, it is characterized in that, described fixator is connected and fixed on described injector body one side end face, described fixator is provided with Acetabula device, described Acetabula device one end is provided with the sucker that three arrangements triangular in shape are arranged, described sucker connects pressurizing valve of bleeding, described pressurizing valve of bleeding is built in described Acetabula device, described injector body rear end is provided with push rod, described push rod is connected with a needle tubing, described needle tubing front end is derived described injector body and is arranged.
2. gas chromatograph sampling device according to claim 1, is characterized in that, described fixator one end and described injector body integral type are connected and fixed, and the described fixator other end is provided with described Acetabula device.
3. gas chromatograph sampling device according to claim 1, is characterized in that, described in pressurizing valve of bleeding embed in described Acetabula device and arrange, described in pressurizing valve one end of bleeding protrude from described Acetabula device end face, described in pressurizing valve of bleeding be provided with profile of tooth driver plate.
4. gas chromatograph sampling device according to claim 1, is characterized in that, described injector body front end surface is provided with a taper rubber cushion, and described needle tubing derives described taper rubber cushion, is tightly connected between described needle tubing and described taper rubber cushion.
5. gas chromatograph sampling device according to claim 4, is characterized in that, the described taper rubber cushion two ends conical surface is also provided with waveform convex buffering flexible glue.
6. gas chromatograph sampling device according to claim 1, is characterized in that, before three described suckers that described Acetabula device is installed, terminal sucker end face is all in the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385245.5A CN104950058A (en) | 2015-07-03 | 2015-07-03 | Gas chromatograph sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385245.5A CN104950058A (en) | 2015-07-03 | 2015-07-03 | Gas chromatograph sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104950058A true CN104950058A (en) | 2015-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510385245.5A Pending CN104950058A (en) | 2015-07-03 | 2015-07-03 | Gas chromatograph sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104950058A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770846A (en) * | 2015-11-20 | 2017-05-31 | 株式会社岛津制作所 | For the hand sampling servicing unit of gas chromatograph sampling syringe |
| CN106950325A (en) * | 2017-05-09 | 2017-07-14 | 吴元元 | Gas chromatographic sample introduction device |
| WO2020258166A1 (en) * | 2019-06-27 | 2020-12-30 | 李俊 | Feed positioner for detection of chemical raw material |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5756905A (en) * | 1996-04-30 | 1998-05-26 | Shimadzu Corporation | Automatic injector |
| CN1375043A (en) * | 1999-09-15 | 2002-10-16 | 哈拉尔德·里斯托 | Low-pressure holding device |
| CN201732082U (en) * | 2010-08-10 | 2011-02-02 | 张宇 | Micro sample injector for gas chromatograph |
| CN201926649U (en) * | 2010-12-31 | 2011-08-10 | 延边大学 | Simple propulsion device for injector in gas chromatography |
| JP2011153652A (en) * | 2010-01-26 | 2011-08-11 | Ntt Facilities Inc | Fixing device and fixing structure |
| CN202431728U (en) * | 2012-01-07 | 2012-09-12 | 湖北太力家庭用品制造有限公司 | Novel vacuum sucker |
| CN204210397U (en) * | 2014-11-19 | 2015-03-18 | 王帆 | With the panel computer of sucker |
| CN204989121U (en) * | 2015-07-03 | 2016-01-20 | 无锡市稼宝药业有限公司 | Gas chromatograph injector |
-
2015
- 2015-07-03 CN CN201510385245.5A patent/CN104950058A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5756905A (en) * | 1996-04-30 | 1998-05-26 | Shimadzu Corporation | Automatic injector |
| CN1375043A (en) * | 1999-09-15 | 2002-10-16 | 哈拉尔德·里斯托 | Low-pressure holding device |
| JP2011153652A (en) * | 2010-01-26 | 2011-08-11 | Ntt Facilities Inc | Fixing device and fixing structure |
| CN201732082U (en) * | 2010-08-10 | 2011-02-02 | 张宇 | Micro sample injector for gas chromatograph |
| CN201926649U (en) * | 2010-12-31 | 2011-08-10 | 延边大学 | Simple propulsion device for injector in gas chromatography |
| CN202431728U (en) * | 2012-01-07 | 2012-09-12 | 湖北太力家庭用品制造有限公司 | Novel vacuum sucker |
| CN204210397U (en) * | 2014-11-19 | 2015-03-18 | 王帆 | With the panel computer of sucker |
| CN204989121U (en) * | 2015-07-03 | 2016-01-20 | 无锡市稼宝药业有限公司 | Gas chromatograph injector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770846A (en) * | 2015-11-20 | 2017-05-31 | 株式会社岛津制作所 | For the hand sampling servicing unit of gas chromatograph sampling syringe |
| CN106950325A (en) * | 2017-05-09 | 2017-07-14 | 吴元元 | Gas chromatographic sample introduction device |
| WO2020258166A1 (en) * | 2019-06-27 | 2020-12-30 | 李俊 | Feed positioner for detection of chemical raw material |
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Application publication date: 20150930 |