CN211825277U - Gas chromatography sampling device - Google Patents
Gas chromatography sampling device Download PDFInfo
- Publication number
- CN211825277U CN211825277U CN202020165558.6U CN202020165558U CN211825277U CN 211825277 U CN211825277 U CN 211825277U CN 202020165558 U CN202020165558 U CN 202020165558U CN 211825277 U CN211825277 U CN 211825277U
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- Prior art keywords
- transparent
- connecting rod
- transparent pipe
- round hole
- gas chromatography
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- 238000005070 sampling Methods 0.000 title claims abstract description 19
- 238000004817 gas chromatography Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004519 grease Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001030 gas--liquid chromatography Methods 0.000 description 1
- 238000000574 gas--solid chromatography Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of sampling devices, in particular to a gas chromatography sampling device, which comprises a transparent round tube, wherein a round hole penetrating through the transparent round tube is formed in the middle of the other end of the transparent round tube, a sealing washer is compounded and bonded on the inner surface of the round hole, a connecting rod penetrating through the round hole is inserted in the outer side of the transparent round tube, a disc is fixedly installed at one end of the connecting rod in the inner side of the transparent round tube, and a limiting mechanism is arranged between the outer side of the connecting rod and the inner upper end of the; limiting mechanism includes limiting plate and the connecting plate of fixed mounting in the connecting rod outside of fixed mounting in the inboard upper end of transparent pipe, the spacing groove that runs through the connecting plate is seted up to one side upper end of connecting plate, the limiting plate slides and sets up at the spacing inslot. The utility model discloses can be fast and convenient take a sample gas, simultaneously after the sample, it is better to gaseous protection effect, can effectually prevent gaseous revealing, the simple operation.
Description
Technical Field
The utility model relates to a sampling device technical field especially relates to a gas chromatography sampling device.
Background
Gas chromatography is a major scientific and technological achievement in the fifties of the twentieth century. The method is a new separation and analysis technology, is widely applied to the industrial, agricultural, national defense, construction and scientific research, and can be divided into gas-solid chromatography and gas-liquid chromatography;
the device to gas sampling in the existing market has the defect of insufficient air tightness, is complex in structure, is inconvenient to operate, and increases the difficulty in operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect of insufficient air tightness in the prior art and providing a gas chromatography sampling device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
designing a gas chromatography sampling device, which comprises a transparent round tube, wherein one end of the transparent round tube is arranged in a conical shape, a round hole penetrating through the transparent round tube is arranged in the middle of the other end of the transparent round tube, a sealing washer is compositely bonded on the inner surface of the round hole, a cover body is fixed at one end of the transparent circular tube and is positioned at one end far away from the circular hole, the cover body is connected with one end of the transparent circular tube in a threaded manner, a connecting rod penetrating through the round hole is inserted at the outer side of the transparent round tube, one end of the connecting rod extends to the inner side of the transparent round tube, the outer surface of the connecting rod is contacted with the inner surface of the sealing washer, one end of the connecting rod at the inner side of the transparent circular tube is fixedly provided with a disc, the size of the disc is matched with the size in the transparent circular tube, and a limiting mechanism is arranged between the outer side of the connecting rod and the upper end of the inner side of the transparent circular tube;
limiting mechanism includes limiting plate and the connecting plate of fixed mounting in the connecting rod outside of fixed mounting in the inboard upper end of transparent pipe, the spacing groove that runs through the connecting plate is seted up to one side upper end of connecting plate, the limiting plate slides and sets up at the spacing inslot, and is interference fit between limiting plate and the spacing groove.
Preferably, the outer surface of the transparent circular tube is provided with scale marks. .
Preferably, the outer surface of the disc is bonded with a sealing layer in a compounding manner, the sealing layer is specifically a vacuum silicone layer, and the outer surface of the sealing layer is in mutual contact with the inner surface of the transparent circular tube.
Preferably, a rotating handle is fixedly mounted at one end of the connecting rod outside the transparent circular tube, and the size of the rotating handle is larger than that of the circular hole.
The utility model provides a gas chromatography sampling device, beneficial effect lies in: this gas chromatography sampling device can be fast and convenient take a sample gas, and simultaneously after the sample, it is better to gaseous protection effect, can effectually prevent revealing of gas, the simple operation, consequently is favorable to promoting.
Drawings
Fig. 1 is a front view of a gas chromatography sampling apparatus according to the present invention.
Fig. 2 is a side view of the gas chromatography sampling apparatus according to the present invention.
FIG. 3 is an enlarged view of the portion A of the sampling device for gas chromatography shown in FIG. 1.
In the figure: the cover comprises a cover body 1, scale marks 2, a limiting mechanism 3, a limiting plate 31, a limiting groove 32, a connecting plate 33, a connecting rod 4, a transparent circular tube 5, a sealing layer 6, a sealing washer 7, a disc 8, a circular hole 9 and a rotating handle 10.
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.
Example 1
Referring to fig. 1-3, a gas chromatography sampling device, including transparent pipe 5, the one end of transparent pipe 5 is the toper setting, the round hole 9 that runs through transparent pipe 5 is seted up at the other end middle part of transparent pipe 5, the internal surface complex of round hole 9 bonds and has seal ring 7, the one end of transparent pipe 5 is fixed with lid 1, lid 1 is located the one end of keeping away from round hole 9, the connected mode between lid 1 and the 5 one ends of transparent pipe specifically is threaded connection, transparent pipe 5 outside is inserted and is equipped with connecting rod 4 that runs through round hole 9, 4 one end fixed mounting of the outside connecting rod of transparent pipe 5 has commentaries on classics 10, change the size that is greater than round hole 9 to 10, carry out the pull to connecting rod 4 through changeing 10, make disc 8 remove in transparent pipe 5 insides.
One end of connecting rod 4 extends to the inboard of transparent pipe 5, and the surface of connecting rod 4 and seal ring 7's internal surface contact each other, and 5 inboard connecting rod 4 one end fixed mounting of transparent pipe have a disc 8, and the size of disc 8 matches each other with the inside size of transparent pipe 5, and the removal of disc 8 can extract external gas, and the sample is collected to the time and to gas.
A limiting mechanism 3 is arranged between the outer side of the connecting rod 4 and the upper end of the inner side of the transparent circular tube 5; limiting mechanism 3 includes limiting plate 31 and the connecting plate 33 of fixed mounting in the 4 outsides of connecting rod of 5 inboard upper ends of transparent pipe, the spacing groove 32 that runs through connecting plate 33 is seted up to one side upper end of connecting plate 33, limiting plate 31 slides and sets up in spacing groove 32, and be interference fit between limiting plate 31 and the spacing groove 32, after collecting the gas, prevent that disc 8 from taking place the skew in the position, thereby need inject the position of connecting rod 4, when collecting the gas to connecting rod 4 outside pull, connecting plate 33 and limiting plate 31 on the connecting rod 4 are in same vertical plane, stop the pull, rotate connecting rod 4, make limiting plate 31 get into the spacing groove 32 inboard of connecting plate 33 upper end, connecting rod 4's position is injectd simultaneously, the promotion of effectual realization device gas tightness.
Example 2
Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the outer surface of the transparent round tube 5 is provided with scale lines 2, and the scale lines 2 facilitate the operator to observe the volume of the gas.
The compound bonding of surface of disc 8 has sealing layer 6, and sealing layer 6 specifically is the vacuum silicone grease layer, and the surface of sealing layer 6 and the internal surface of transparent pipe 5 contact each other, and the vacuum silicone grease layer has absorbent effect to the organic matter to can utilize the vacuum silicone grease layer to carry out the promotion of gas tightness, prevent revealing of gas.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a gas chromatography sampling device, includes transparent pipe (5), the one end of transparent pipe (5) is the toper setting, its characterized in that, round hole (9) that run through transparent pipe (5) are seted up at the other end middle part of transparent pipe (5), the interior surface complex of round hole (9) bonds and has seal ring (7), the one end of transparent pipe (5) is fixed with lid (1), lid (1) is located the one end of keeping away from round hole (9), the connected mode between lid (1) and transparent pipe (5) one end specifically is threaded connection, connecting rod (4) that run through round hole (9) are inserted to transparent pipe (5) outside, the one end of connecting rod (4) extends to the inboard of transparent pipe (5), the surface of connecting rod (4) and the interior surface of seal ring (7) contact each other, a disc (8) is fixedly arranged at one end of the connecting rod (4) on the inner side of the transparent circular tube (5), the size of the disc (8) is matched with the size of the inside of the transparent circular tube (5), and a limiting mechanism (3) is arranged between the outer side of the connecting rod (4) and the upper end of the inner side of the transparent circular tube (5);
limiting mechanism (3) include limiting plate (31) and fixed mounting connecting plate (33) in the connecting rod (4) outside of fixed mounting in transparent pipe (5) inboard upper end, limiting groove (32) that run through connecting plate (33) are seted up to one side upper end of connecting plate (33), limiting plate (31) slide to set up in limiting groove (32), and be interference fit between limiting plate (31) and limiting groove (32).
2. A gas chromatography sampling device according to claim 1, characterized in that the outer surface of the transparent circular tube (5) is provided with graduation marks (2).
3. A gas chromatography sampling device according to claim 1, characterized in that the outer surface of the disc (8) is bonded with a sealing layer (6), the sealing layer (6) is a vacuum silicone layer, and the outer surface of the sealing layer (6) and the inner surface of the transparent circular tube (5) are in contact with each other.
4. The gas chromatography sampling device of claim 1, wherein a rotating handle (10) is fixedly arranged at one end of the connecting rod (4) outside the transparent circular tube (5), and the size of the rotating handle (10) is larger than that of the round hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020165558.6U CN211825277U (en) | 2020-02-13 | 2020-02-13 | Gas chromatography sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020165558.6U CN211825277U (en) | 2020-02-13 | 2020-02-13 | Gas chromatography sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211825277U true CN211825277U (en) | 2020-10-30 |
Family
ID=72992828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020165558.6U Active CN211825277U (en) | 2020-02-13 | 2020-02-13 | Gas chromatography sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211825277U (en) |
-
2020
- 2020-02-13 CN CN202020165558.6U patent/CN211825277U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240517 Address after: No. 2-14, Hunhebao Street, Hunnan New District, Shenyang City, Liaoning Province, 110000 (1-17-1) Patentee after: Shenyang Xizi Biomedical Technology Service Co.,Ltd. Country or region after: China Address before: 118003 No.325 Wenhua Road, Yuanbao District, Dandong City, Liaoning Province Patentee before: EASTERN LIAONING University Country or region before: China |
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| TR01 | Transfer of patent right |