CN212134600U - Headspace sample introduction device for chromatograph - Google Patents
Headspace sample introduction device for chromatograph Download PDFInfo
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- CN212134600U CN212134600U CN202020788491.1U CN202020788491U CN212134600U CN 212134600 U CN212134600 U CN 212134600U CN 202020788491 U CN202020788491 U CN 202020788491U CN 212134600 U CN212134600 U CN 212134600U
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- clamping grooves
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Abstract
The utility model relates to the technical field of headspace sampling devices, in particular to a headspace sampling device for chromatograph, which has simple structure, reasonable design, practical significance and popularization value and is expected to produce good economic benefit, comprising a headspace sampling device body, wherein the top surface of the headspace sampling device body is provided with a containing grid, a containing groove is arranged in the containing grid and is matched with the containing grid, the top surface of the headspace sampling device body is longitudinally provided with a plurality of longitudinal clamping grooves which are connected with the containing grid, longitudinal clamping blocks which form moving pairs with the longitudinal clamping grooves are arranged in the longitudinal clamping grooves, a plurality of notches are arranged on the longitudinal clamping blocks, the tail ends of the longitudinal clamping blocks are connected with longitudinal pulling blocks, the headspace sampling device body is transversely provided with a plurality of transverse clamping grooves which are connected with the containing grid, the transverse clamping grooves are connected with the containing grid, and transverse clamping blocks which form moving pairs with the transverse clamping grooves are arranged in the transverse clamping grooves, the tail end of each transverse clamping block is connected with a transverse pulling block.
Description
Technical Field
The utility model relates to a headspace sampling device technical field specifically is a headspace sampling device for chromatograph.
Background
The headspace sample introduction is a convenient and fast sample processing method in gas chromatography, and can be used for qualitative and quantitative analysis of volatile components in gas, liquid or solid samples, the principle is that a sample to be detected is placed in a container, the volatile components are volatilized from a sample matrix through heating, when gas-liquid or gas-solid two phases are balanced, equipment extracts the gas at the top of the container for chromatographic analysis, so as to determine the components and the content of the volatile components in the sample, the technology can avoid complicated sample processing steps, reduce the interference and pollution of an organic solvent on the chromatographic analysis, a headspace sample injector for headspace sample introduction is developed at present, but a sample holding disc of the headspace sample injector is not easy to place the sample, the sample is easy to touch and fall to cause sample leakage, so that the pollution of the equipment and an operation table is caused, and therefore if the existing headspace sample injector is improved, the headspace sample injector which is not easy to touch, is not easy to adhere foreign matters and is convenient to clean is researched and developed, and the headspace sample injector has positive significance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a headspace sampling device for chromatograph to solve the problem that mentions in the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: comprises a head space sample feeding machine body, the top surface of the headspace sample injector body is provided with a containing grid, a containing groove is arranged in the containing grid and matched with the containing grid, a plurality of longitudinal clamping grooves are longitudinally arranged on the top surface of the head space sample feeder body and are connected with the containing grids, a longitudinal clamping block which forms a sliding pair with the longitudinal clamping groove is arranged in the longitudinal clamping groove, a plurality of notches are arranged on the longitudinal clamping block, the tail end of each longitudinal clamping block is connected with a longitudinal pulling block, the headspace sample injector body is transversely provided with a plurality of transverse clamping grooves which are connected with the containing grids, the transverse clamping groove is connected with the containing grids, a transverse clamping block which forms a sliding pair with the transverse clamping groove is arranged in the transverse clamping groove, and the tail end of each transverse clamping block is connected with a transverse pulling block.
Preferably, the notches are equidistantly arranged on the longitudinal clamping block.
Preferably, the distance between the lateral blocks is the same as that between the notches.
Preferably, the number of the longitudinal receiving grooves is 6.
Preferably, the number of the lateral receiving grooves is 6.
Preferably, the accommodating groove is a polytetrafluoroethylene accommodating groove.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
the utility model provides a headspace sampling device for chromatograph, headspace sampling device body top surface is equipped with the storage lattice that is used for placing the sample, and the storage lattice takes out easily and is convenient for operating personnel to clear up, and operating personnel only need take off when needing to clear up and accomodate the groove can, easy operation; when needs are fixed with the sample, operating personnel vertically draws piece, transversely draws the piece along vertical draw-in groove, horizontal draw-in groove pulling, and horizontal fixture block card is established on the breach of vertical fixture block, and vertical fixture block and the crisscross space that is used for placing the sample that forms of horizontal fixture block can avoid the sample to be because of rocking, vibrations are knocked over and lead to the sample to reveal.
The utility model discloses simple structure, reasonable in design has practical meaning and spreading value, expects to produce good economic benefits.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the longitudinal clamping block;
FIG. 3 is a perspective view of the lateral latch;
FIG. 4 is a schematic (partial) sectional configuration of the receiving groove;
in the figure: the headspace sampling machine comprises a headspace sampling machine body 1, a storage grid 11, a storage groove 12, a longitudinal clamping groove 13, a longitudinal clamping block 14, a notch 15, a longitudinal pulling block 16, a transverse clamping groove 17, a transverse clamping block 18 and a transverse pulling block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
With reference to fig. 1-4, a headspace sampling device for a chromatograph comprises a headspace sampling device body 1, wherein a storage grid 11 is arranged on the top surface of the headspace sampling device body 1, a storage groove 12 is arranged in the storage grid 11, the storage groove 12 is a polytetrafluoroethylene storage groove, has good chemical corrosion resistance and is convenient to clean, the storage groove 12 is matched with the storage grid 11, 6 longitudinal clamping grooves 13 are longitudinally arranged on the top surface of the headspace sampling device body 1, the longitudinal clamping grooves 13 are connected with the storage grid 11, longitudinal clamping blocks 14 forming a moving pair with the longitudinal clamping grooves 13 are arranged in the longitudinal clamping grooves 13, a plurality of notches 15 are equidistantly arranged on the longitudinal clamping blocks 14, the tail ends of the longitudinal clamping blocks 14 are connected with longitudinal pull blocks 16, 6 transverse clamping grooves 17 are transversely arranged on the headspace sampling device body 1, and the transverse clamping grooves 17 are connected with the storage grid 11, the transverse clamping groove 17 is connected with the containing grid 11, transverse clamping blocks 18 forming a sliding pair with the transverse clamping groove 17 are arranged in the transverse clamping groove 17, the distance between the transverse clamping blocks 18 is the same as that between the notches 15, and the tail ends of the transverse clamping blocks 18 are connected with transverse pulling blocks 19.
The utility model discloses the theory of operation: the top surface of the headspace sample-feeding machine body 1 is provided with a containing grid 11 for placing a sample, a containing groove 12 placed in the containing grid 11 is a polytetrafluoroethylene containing groove which is resistant to chemical corrosion and low in surface friction coefficient, is not easy to adhere foreign matters, and is convenient for an operator to clean, and when the storage groove 12 needs to be cleaned, the operator only needs to take down the storage groove, so that the operation is convenient; when needs are fixed with the sample, operating personnel along vertical draw-in groove 13, horizontal draw-in groove 17 pulling vertically draw piece 16, transversely draw piece 19, horizontal fixture block 18 card is established on the breach 15 of vertical fixture block 14, and vertical fixture block 14 and the crisscross space that is used for placing the sample that forms of horizontal fixture block 18 can avoid the sample to be because of rocking, vibrations are knocked down and lead to the sample to reveal.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a headspace sampling device for chromatograph, includes headspace sampling machine body (1), its characterized in that:
the headspace sample feeder comprises a headspace sample feeder body (1), wherein a containing grid (11) is arranged on the top surface of the headspace sample feeder body (1), a containing groove (12) is arranged in the containing grid (11), the containing groove (12) is matched with the containing grid (11), a plurality of longitudinal clamping grooves (13) are longitudinally arranged on the top surface of the headspace sample feeder body (1), the longitudinal clamping grooves (13) are connected with the containing grid (11), longitudinal clamping blocks (14) forming moving pairs with the longitudinal clamping grooves (13) are arranged in the longitudinal clamping grooves (13), a plurality of notches (15) are arranged on the longitudinal clamping blocks (14), and the tail ends of the longitudinal clamping blocks (14) are connected with longitudinal pull blocks (16);
the headspace sampling machine body (1) is transversely provided with a plurality of transverse clamping grooves (17), the transverse clamping grooves (17) are connected with the containing grids (11), transverse clamping blocks (18) which form sliding pairs with the transverse clamping grooves are arranged in the transverse clamping grooves (17), and the tail ends of the transverse clamping blocks (18) are connected with transverse pull blocks (19).
2. The headspace sampling device for chromatograph of claim 1, wherein: the notches (15) are equidistantly arranged on the longitudinal clamping block (14).
3. The headspace sampling device for chromatograph of claim 1, wherein: the distance between the transverse clamping blocks (18) is the same as that between the notches (15).
4. The headspace sampling device for chromatograph of claim 1, wherein: the number of the longitudinal clamping grooves (13) is 6.
5. The headspace sampling device for chromatograph of claim 1, wherein: the number of the transverse clamping grooves (17) is 6.
6. The headspace sampling device for chromatograph of claim 1, wherein: the accommodating groove (12) is a polytetrafluoroethylene accommodating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020788491.1U CN212134600U (en) | 2020-05-13 | 2020-05-13 | Headspace sample introduction device for chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020788491.1U CN212134600U (en) | 2020-05-13 | 2020-05-13 | Headspace sample introduction device for chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212134600U true CN212134600U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020788491.1U Active CN212134600U (en) | 2020-05-13 | 2020-05-13 | Headspace sample introduction device for chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212134600U (en) |
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2020
- 2020-05-13 CN CN202020788491.1U patent/CN212134600U/en active Active
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