CN215263313U - Gas chromatograph convenient to sample - Google Patents
Gas chromatograph convenient to sample Download PDFInfo
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- CN215263313U CN215263313U CN202120081349.8U CN202120081349U CN215263313U CN 215263313 U CN215263313 U CN 215263313U CN 202120081349 U CN202120081349 U CN 202120081349U CN 215263313 U CN215263313 U CN 215263313U
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Abstract
The utility model provides a gas chromatograph convenient to sampling. The gas chromatograph convenient for sampling comprises a gas chromatograph body; the base is fixedly arranged at the top of the gas chromatograph body; the air pump is fixedly arranged at the top of the base; one end of the external air pipe is communicated with the air pump; the filter box is fixedly arranged at the top of the base; the top cover is arranged at the top of the filter box; the filter screen, the filter screen sets up on the bottom inner wall of rose box. The utility model provides a gas chromatograph convenient to sampling has easy operation, can be comparatively effectual exhaust air, increases the accuracy of measuring data, can conveniently dismantle the change to the filter screen to the jam appears in the reduction and can not get into gaseous condition, comparatively effectual improvement detection efficiency's advantage.
Description
Technical Field
The utility model relates to a gas chromatograph technical field especially relates to a gas chromatograph convenient to sampling.
Background
The gas chromatograph is a chromatographic analysis device using gas as a mobile phase. The principle is mainly to realize the separation of the mixture by utilizing the differences of the boiling point, the polarity and the adsorption property of the substances. The gas chromatograph can be generally used for analyzing heat-stable organic matters with the boiling point not more than 500 ℃ in soil, such as volatile organic matters, polycyclic aromatic hydrocarbons, phthalate esters and the like, and has the advantages of rapidness, effectiveness, high sensitivity and the like.
When need use gas chromatograph to detect the content in the gas, generally all people use the gas of syringe in to gas steel bottle to draw repeatedly, and the air in the syringe is discharged, otherwise can influence the data that detect, again to the gas injection who draws in gas chromatograph, can be more troublesome like this, the operation is comparatively complicated, can reduce detection efficiency.
Therefore, it is necessary to provide a new gas chromatograph for facilitating sampling to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a gas chromatograph convenient to sample that has easy operation, can comparatively effectual exhaust air, increase the accuracy of detected data, can conveniently dismantle the change to the filter screen to the jam appears in the reduction and can not get into gaseous condition, comparatively effectual improvement detection efficiency.
In order to solve the technical problem, the utility model provides a gas chromatograph convenient to sampling includes: a gas chromatograph body; the base is fixedly arranged at the top of the gas chromatograph body; the air pump is fixedly arranged at the top of the base; one end of the external air pipe is communicated with the air pump; the filter box is fixedly arranged at the top of the base; the top cover is arranged at the top of the filter box; the filter screen is arranged on the inner wall of the bottom of the filter box; the fixed block is fixedly arranged at the top of the base; one end of the air inlet pipe is communicated with the air suction pump, and the other end of the air inlet pipe is communicated with the filter box; one end of the air inlet pipe is communicated with the filter box; one end of the gas outlet pipe is communicated with the gas chromatograph body; the two disassembling mechanisms are symmetrically arranged on the top cover; the air exhaust mechanism is arranged on the fixed block; and the air inlet mechanism is arranged on the fixed block.
Preferably, the disassembly mechanism includes guide arm, fixed plate, standing groove, connecting block and first spring, the guide arm fixed mounting be in one side of top cap, the fixed plate slidable mounting be in on the guide arm, the standing groove sets up one side of rose box, the connecting block fixed mounting be in one side of fixed plate, the connecting block with the inner wall of standing groove contacts, first spring sliding sleeve is established on the guide arm, the top cap with rose box sealing connection.
Preferably, exhaust mechanism includes out tuber pipe, mounting groove, electric telescopic handle, spread groove and baffle, it sets up to go out the tuber pipe on the fixed block, the mounting groove sets up on the one side inner wall of play tuber pipe, electric telescopic handle fixed mounting is in on the one side inner wall of mounting groove, the spread groove sets up on the one side inner wall of play tuber pipe, a through-hole has been seted up to one side inner wall of play tuber pipe, the through-hole with the mounting groove is linked together, the baffle sets up in the first through-hole, one side of baffle with electric telescopic handle's output pole fixed connection, one side of baffle with the inner wall sealing contact of spread groove, the baffle with go out tuber pipe looks adaptation.
Preferably, the inner wall of the first through hole is fixedly provided with a sealing gasket, and the sealing gasket is connected with the baffle in a sealing manner.
Preferably, the air inlet mechanism comprises an air inlet hole, two air inlet grooves, a mounting block, a vertical plate, a buffer groove and a second spring, the air inlet holes are arranged on the fixed block, the air inlet holes are respectively communicated with the air inlet pipe, the air outlet pipe and the air outlet pipe, the two air inlet grooves are symmetrically arranged on the inner walls of the top and the bottom of the air inlet holes, the mounting blocks are arranged in the two air inlet grooves, one side of each mounting block is in contact with the inner wall of each air inlet hole, the vertical plate is fixedly arranged on the inner wall of the air inlet hole, a second through hole is arranged on the vertical plate, the buffer groove is arranged at one side of the mounting block, the inner walls of the top and the bottom of the buffer groove are respectively provided with a third through hole, the two third through holes are respectively communicated with the two air inlet grooves, the two ends of the second spring are respectively fixedly connected with the inner wall of one side of the buffer groove and one side of the vertical plate, which is close to each other.
Preferably, the inner wall of the bottom of the filter box and one side of the top cover close to each other are symmetrically and fixedly provided with two positioning blocks, and the filter screens are arranged between the four positioning blocks.
Compared with the prior art, the utility model provides a gas chromatograph convenient to sampling has following beneficial effect:
the utility model provides a gas chromatograph convenient for sampling, which can effectively discharge air, effectively collect dust and impurities in the gas and effectively increase the accuracy of detection through an air extracting pump, an air inlet pipe, a filter box, a filter screen, an air inlet pipe, a fixed block, an air outlet pipe, an electric telescopic rod and a baffle plate; the gas can be detected through the mounting block, the second spring, the air inlet hole, the air inlet groove, the third through hole, the buffer groove, the second through hole, the air outlet pipe and the gas chromatograph body, so that the detection efficiency is effectively improved; through filter screen, fixed plate, first spring, connecting block, standing groove, top cap, locating piece and rose box, just so can conveniently dismantle the change to the filter screen, comparatively effectual reduction the condition that the jam can not get into gas appear, the operation is comparatively simple.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a gas chromatograph for facilitating sampling according to the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 2;
FIG. 4 is an enlarged schematic view of a portion B shown in FIG. 2;
fig. 5 is an enlarged structural view of a portion B shown in fig. 2.
Reference numbers in the figures: 1. a gas chromatograph body; 2. a base; 3. an air pump; 4. is externally connected with an air pipe; 5. a filter box; 6. a top cover; 7. filtering with a screen; 8. a fixed block; 9. an air inlet pipe; 10. an air inlet pipe; 11. an air outlet pipe; 12. a guide bar; 13. a fixing plate; 14. a placement groove; 15. connecting blocks; 16. a first spring; 17. an air outlet pipe; 18. mounting grooves; 19. an electric telescopic rod; 20. connecting grooves; 21. a baffle plate; 22. an air inlet; 23. an air inlet groove; 24. mounting blocks; 25. a vertical plate; 26. a buffer tank; 27. a second spring; 28. and (5) positioning the blocks.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a gas chromatograph for facilitating sampling according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 2; FIG. 4 is an enlarged schematic view of a portion B shown in FIG. 2; fig. 5 is an enlarged structural view of a portion B shown in fig. 2. A gas chromatograph that facilitates sampling comprising: a gas chromatograph body 1; the base 2 is fixedly arranged on the top of the gas chromatograph body 1; the air pump 3 is fixedly arranged on the top of the base 2; an external air pipe 4, wherein one end of the external air pipe 4 is communicated with the air pump 3; the filter box 5 is fixedly arranged at the top of the base 2; the top cover 6 is arranged at the top of the filter box 5; the filter screen 7 is arranged on the inner wall of the bottom of the filter box 5; the fixed block 8 is fixedly arranged at the top of the base 2; one end of the air inlet pipe 9 is communicated with the air suction pump 3, and the other end of the air inlet pipe 9 is communicated with the filter box 5; one end of the air inlet pipe 10 is communicated with the filter box 5; one end of the gas outlet pipe 11 is communicated with the gas chromatograph body 1; the two disassembling mechanisms are symmetrically arranged on the top cover 6; the air exhaust mechanism is arranged on the fixed block 8; and the air inlet mechanism is arranged on the fixed block 8.
Disassembly body includes guide arm 12, fixed plate 13, standing groove 14, connecting block 15 and first spring 16, guide arm 12 fixed mounting be in one side of top cap 6, fixed plate 13 slidable mounting be in on the guide arm 12, standing groove 14 sets up one side of rose box 5, connecting block 15 fixed mounting be in one side of fixed plate 13, connecting block 15 with the inner wall of standing groove 14 contacts, first spring 16 sliding sleeve is established on the guide arm 12, top cap 6 with rose box 5 sealing connection, it is convenient right to be used for filter screen 7 dismantles the change.
The air exhaust mechanism comprises an air outlet pipe 17, a mounting groove 18, an electric telescopic rod 19, a connecting groove 20 and a baffle 21, the air outlet pipe 17 is arranged on the fixed block 8, the mounting groove 18 is arranged on the inner wall of one side of the air outlet pipe 17, the electric telescopic rod 19 is fixedly arranged on the inner wall of one side of the mounting groove 18, the connecting groove 20 is arranged on the inner wall of one side of the air outlet pipe 17, a first through hole is arranged on the inner wall of one side of the air outlet pipe 17 and communicated with the mounting groove 18, the baffle 21 is arranged in the first through hole, one side of the baffle 21 is fixedly connected with the output rod of the electric telescopic rod 19, one side of baffle 21 with the inner wall sealing contact of spread groove 20, baffle 21 with play tuber pipe 17 looks adaptation can be comparatively effectual unnecessary air of discharge, increases detection efficiency.
The inner wall fixed mounting of first through-hole has sealed the pad, sealed pad with baffle 21 sealing connection can reduce gaseous outflow.
The air inlet mechanism comprises an air inlet 22, two air inlet grooves 23, an installation block 24, a vertical plate 25, a buffer groove 26 and a second spring 27, wherein the air inlet 22 is arranged on the fixed block 8, the air inlet 22 is respectively communicated with the air inlet pipe 10, the air outlet pipe 11 and the air outlet pipe 17, the two air inlet grooves 23 are symmetrically arranged on the inner walls of the top and the bottom of the air inlet 22, the installation block 24 is arranged in the two air inlet grooves 23, one side of the installation block 24 is contacted with the inner wall of the air inlet 22, the vertical plate 25 is fixedly arranged on the inner wall of the air inlet 22, the vertical plate 25 is provided with a second through hole, the buffer groove 26 is arranged on one side of the installation block 24, the inner walls of the top and the bottom of the buffer groove 26 are provided with third through holes, and the two third through holes are communicated with the two air inlet grooves 23, the two ends of the second spring 27 are respectively fixedly connected with the inner wall of one side of the buffer groove 26 and the side of the vertical plate 25 close to each other, and can be used for enabling the gas after air is exhausted to enter the gas chromatograph body 1 for detection.
The bottom inner wall of rose box 5 with one side symmetry fixed mounting that top cap 6 is close to each other has two locating pieces 28, filter screen 7 sets up four between the locating piece 28, can be used for right filter screen 7 fixes.
The utility model provides a gas chromatograph's theory of operation convenient to sampling as follows:
when gas needs to be detected, the air pump 3 is started, the air pump 3 enables the gas to enter the filter box 5 through the external air pipe 4 and the air inlet pipe 9, the filter screen 7 in the filter box 5 can effectively enable dust and impurities in the gas to stay in the filter box 5, the rest air enters the fixed block 8 through the air inlet pipe 10, at the moment, the gas can drive the air in the fixed block 8 to be discharged through the air outlet pipe 17, when a certain amount of gas is extracted, the electric telescopic rod 19 is started, the electric telescopic rod 19 drives the baffle plate 21 to move leftwards, and then the baffle plate 21 blocks the air outlet pipe 17, so that the air can be discharged more effectively, the dust and impurities in the gas can be collected more effectively, and the detection accuracy is increased more effectively;
after the air in the fixed block 8 is exhausted, the pressure of the air pump 3 enables the air to push the mounting block 24 to move rightwards, so that the second spring 27 is tightened, the air enters the gas chromatograph body 1 through the air inlet 22, the two air inlet grooves 23, the two third through holes, the buffer groove 26, the second through hole and the air outlet pipe 11, the air is detected, and the detection efficiency is effectively improved;
when the filter screen 7 needs to be replaced, the two fixing plates 13 are pulled to be away from each other, the two fixing plates 13 enable the two first springs 16 to be tightened, the two fixing plates 13 drive the two connecting blocks 15 to be away from the two placing grooves 14, at the moment, the top cover 6 can be pulled upwards, the top cover 6 drives the two positioning blocks 28 to move upwards, the filter screen 7 in the filter box 5 can be taken out, the new filter screen 7 is replaced, the replaced filter screen 7 is placed between the two positioning blocks 28 in the filter box 5, the top cover 6 is covered, the two positioning blocks 28 on the top cover 6 are in contact with the filter screen 7, the filter screen 7 can be fixed, the two fixing plates 13 are loosened, the two first springs 16 return, the two fixing plates 13 and the two connecting blocks 15 are driven to be close to each other under the action of the two first springs 16, and the two connecting blocks 15 are in contact with the inner walls of the two placing grooves 14 respectively, just can fix top cap 6, just so can conveniently dismantle the change to filter screen 7, comparatively effectual having reduced the condition that the jam can not get into gas, the operation is comparatively simple.
Compared with the prior art, the utility model provides a gas chromatograph convenient to sampling has following beneficial effect:
the utility model provides a gas chromatograph convenient for sampling, which can effectively discharge air, effectively collect dust and impurities in the gas and effectively increase the accuracy of detection through an air extracting pump 3, an air inlet pipe 9, a filter box 5, a filter screen 7, an air inlet pipe 10, a fixed block 8, an air outlet pipe 17, an electric telescopic rod 19 and a baffle 21; the gas can be detected through the mounting block 24, the second spring 27, the air inlet 22, the air inlet groove 23, the third through hole, the buffer groove 26, the second through hole, the air outlet pipe 11 and the gas chromatograph body 1, and the detection efficiency is effectively improved; through filter screen 7, fixed plate 13, first spring 16, connecting block 15, standing groove 14, top cap 6, locating piece 28 and rose box 5, just so can conveniently dismantle the change to filter screen 7, comparatively effectual having reduced the condition that the jam can not get into gas, the operation is comparatively simple.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. A gas chromatograph to facilitate sampling, comprising:
a gas chromatograph body;
the base is fixedly arranged at the top of the gas chromatograph body;
the air pump is fixedly arranged at the top of the base;
one end of the external air pipe is communicated with the air pump;
the filter box is fixedly arranged at the top of the base;
the top cover is arranged at the top of the filter box;
the filter screen is arranged on the inner wall of the bottom of the filter box;
the fixed block is fixedly arranged at the top of the base;
one end of the air inlet pipe is communicated with the air suction pump, and the other end of the air inlet pipe is communicated with the filter box;
one end of the air inlet pipe is communicated with the filter box;
one end of the gas outlet pipe is communicated with the gas chromatograph body;
the two disassembling mechanisms are symmetrically arranged on the top cover;
the air exhaust mechanism is arranged on the fixed block;
and the air inlet mechanism is arranged on the fixed block.
2. The gas chromatograph facilitating sampling according to claim 1, wherein the detaching mechanism includes a guide rod, a fixing plate, a placement groove, a connecting block, and a first spring, the guide rod is fixedly installed on one side of the top cover, the fixing plate is slidably installed on the guide rod, the placement groove is disposed on one side of the filtering box, the connecting block is fixedly installed on one side of the fixing plate, the connecting block is in contact with an inner wall of the placement groove, the first spring is slidably sleeved on the guide rod, and the top cover is hermetically connected with the filtering box.
3. The gas chromatograph convenient to sample of claim 1, wherein the exhaust mechanism comprises an air outlet pipe, a mounting groove, an electric telescopic handle, a connecting groove and a baffle, the air outlet pipe is arranged on the fixed block, the mounting groove is arranged on one side inner wall of the air outlet pipe, the electric telescopic handle is fixedly mounted on one side inner wall of the mounting groove, the connecting groove is arranged on one side inner wall of the air outlet pipe, a first through hole is formed in one side inner wall of the air outlet pipe, the through hole is communicated with the mounting groove, the baffle is arranged in the first through hole, one side of the baffle is fixedly connected with the output rod of the electric telescopic handle, one side of the baffle is in sealing contact with the inner wall of the connecting groove, and the baffle is matched with the air outlet pipe.
4. The gas chromatograph facilitating sampling according to claim 3, wherein a gasket is fixedly mounted on an inner wall of the first through hole, and the gasket is in sealing connection with the baffle.
5. The gas chromatograph convenient for sampling of claim 3, wherein the air inlet mechanism comprises an air inlet hole, two air inlet grooves, a mounting block, a vertical plate, a buffer groove and a second spring, the air inlet hole is arranged on the fixed block, the air inlet hole is respectively communicated with the air inlet pipe, the air outlet pipe and the air outlet pipe, the two air inlet grooves are symmetrically arranged on the top and bottom inner walls of the air inlet hole, the mounting block is arranged in the two air inlet grooves, one side of the mounting block is in contact with the inner wall of the air inlet hole, the vertical plate is fixedly arranged on the inner wall of the air inlet hole, the vertical plate is provided with a second through hole, the buffer groove is arranged on one side of the mounting block, the top and bottom inner walls of the buffer groove are provided with third through holes, and the two third through holes are both communicated with the two air inlet grooves, the two ends of the second spring are respectively fixedly connected with the inner wall of one side of the buffer groove and one side of the vertical plate, which is close to each other.
6. The gas chromatograph convenient to sample of claim 1, wherein two positioning blocks are symmetrically and fixedly mounted on a side of the bottom inner wall of the filter box and the top cover close to each other, and the filter screen is disposed between the four positioning blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120081349.8U CN215263313U (en) | 2021-01-13 | 2021-01-13 | Gas chromatograph convenient to sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120081349.8U CN215263313U (en) | 2021-01-13 | 2021-01-13 | Gas chromatograph convenient to sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215263313U true CN215263313U (en) | 2021-12-21 |
Family
ID=79498250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120081349.8U Active CN215263313U (en) | 2021-01-13 | 2021-01-13 | Gas chromatograph convenient to sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215263313U (en) |
-
2021
- 2021-01-13 CN CN202120081349.8U patent/CN215263313U/en active Active
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