CN212872325U - Conveniently get rid of remaining for cigarette paper solvent headspace sample injector of impurity - Google Patents

Abstract

The utility model discloses a conveniently get rid of remaining paper for solvent headspace sample injector for cigarette of impurity, including detection case and collection box, the rack has been cup jointed to the outside of bracing piece, and the bottom meshing of rack has first gear, and the top fixed mounting of rack has the siphunculus, and the top fixed mounting of siphunculus has the shower nozzle, and the one end intercommunication of siphunculus bottom has flexible water pipe, and one side intercommunication that the siphunculus was kept away from to flexible water pipe has the water pump, and the bottom intercommunication of second air pump has flexible trachea, and flexible tracheal bottom intercommunication has the hollow tube, and the bottom fixed mounting of hollow tube has the syringe needle. Through setting up rack, first gear, siphunculus, shower nozzle, flexible water pipe and water pump, can effectively wash the detection case inside behind the detection sample, ensure that no gas molecule or liquid molecule remain, when carrying out the inspection to the sample that awaits measuring, still possess the function of remaining impurity and getting rid of to the sample that awaits measuring, can carry out further purification to the sample that awaits measuring, guaranteed the accuracy of sample testing result again.

Description

Conveniently get rid of remaining for cigarette paper solvent headspace sample injector of impurity

Technical Field

The utility model belongs to the technical field of the headspace sampler, concretely relates to conveniently get rid of remaining for cigarette paper solvent headspace sampler of impurity.

Background

A headspace sample injector is a convenient and fast sample pretreatment method in gas chromatography, and is characterized in that a sample to be detected is placed in a closed container, volatile components are volatilized from a sample matrix through heating, balance is achieved in a gas-liquid (or gas-solid) phase, and top gas is directly extracted for chromatographic analysis, so that the components and the content of the volatile components in the sample are detected.

When the sample gas contacts with the lower equipment inner wall of temperature in the heating process, condensation and liquefaction form water drops and attach to the equipment inner wall, if can not get effectual clearance, then can cause the influence to the detection of follow-up other samples.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently get rid of remaining for cigarette paper solvent headspace sample injector of impurity to propose a current headspace sample injector in solving above-mentioned background art in the use, because the sample gas is in the heating process and when the lower equipment inner wall contact of temperature, condensation and liquefaction form the water droplet and attach to the equipment inner wall, thereby cause the problem of influence to the detection of follow-up other samples.

In order to achieve the above object, the utility model provides a following technical scheme: a headspace sample injector for cigarette paper solvents convenient for removing impurity residues comprises a detection box and an acquisition box, wherein a supporting rod is fixedly mounted inside the detection box, a rack is sleeved outside the supporting rod, a first gear is meshed at the bottom of the rack, a through pipe is fixedly mounted at the top of the rack, a sprayer is fixedly mounted at the top of the through pipe, a telescopic water pipe is communicated with one end of the bottom of the through pipe, a water pump is communicated with one side of the telescopic water pipe, which is far away from the through pipe, a first air pump is communicated with one side of the detection box, a second air pump is communicated with one side of the detection box, a telescopic air pipe is communicated with the bottom of the second air pump, a hollow pipe is communicated with the bottom of the telescopic air pipe, a needle head is fixedly mounted at the bottom of the hollow pipe, a second gear is meshed at one side of the hollow pipe, and an electric heating, and the top of the electric heating plate is fixedly provided with an object placing plate.

Preferably, the detection box is fixedly connected with the collection box, the detector is fixedly mounted at the top of the detection box, and a vacuum pump is communicated with one side of the detection box.

Preferably, a drain pipe is communicated with one side of the detection box, and a valve is fixedly mounted inside the drain pipe.

Preferably, the spray heads at the two ends of the top of the through pipe are obliquely arranged.

Preferably, a first motor is fixedly mounted on the back surface of the first gear, and a second motor is fixedly mounted on the back surface of the second gear.

Preferably, the top of the object placing plate is fixedly provided with a fixing frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up rack, first gear, siphunculus, shower nozzle, flexible water pipe and water pump, can effectively wash the detection case inside behind the detection sample, ensure that no gas molecule or liquid molecule remain, when carrying out the inspection to the sample that awaits measuring, still possess the function of remaining impurity and getting rid of to the sample that awaits measuring, can carry out further purification to the sample that awaits measuring, guaranteed the accuracy of sample testing result again.

2. Through setting up second air pump, flexible trachea, hollow tube, syringe needle and second gear, make the hollow tube drive the syringe needle through the second motor and insert in the sample bottle to under the effect of second air pump, can take out the gas in the sample bottle fast and transfer to the detection case in, and whole transfer process is in relative confined go on in the collection case, thereby reduce the interference of external gas to the testing process, improve and detect the precision.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of a partially enlarged structure A of the present invention;

FIG. 3 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 4 is a schematic view of a partial enlarged structure B of the present invention;

fig. 5 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 6 is a schematic view of a partial three-dimensional structure of the present invention.

In the figure: 1. a detection box; 2. a detector; 3. a vacuum pump; 4. a drain pipe; 5. a support bar; 6. a rack; 7. a first gear; 8. a first motor; 9. pipe passing; 10. a spray head; 11. a telescopic water pipe; 12. a water pump; 13. a first air pump; 14. a second air pump; 15. a telescopic air pipe; 16. a hollow tube; 17. a needle head; 18. a second gear; 19. a second motor; 20. a collection box; 21. an electric hot plate; 22. a storage plate; 23. a fixing frame.

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.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a conveniently get rid of remaining for cigarette paper solvent headspace sample injector of impurity, includes detection case 1 and collection box 20, its characterized in that: inside fixed mounting of detection case 1 has bracing piece 5, rack 6 has been cup jointed to the outside of bracing piece 5, the bottom meshing of rack 6 has first gear 7, the top fixed mounting of rack 6 has siphunculus 9, the top fixed mounting of siphunculus 9 has shower nozzle 10, the one end intercommunication of siphunculus 9 bottom has flexible water pipe 11, one side intercommunication that flexible water pipe 11 keeps away from siphunculus 9 has water pump 12, one side intercommunication of detection case 1 has first air pump 13, one side intercommunication of detection case 1 has second air pump 14, the bottom intercommunication of second air pump 14 has flexible trachea 15, the bottom intercommunication of flexible trachea 15 has hollow tube 16, the bottom fixed mounting of hollow tube 16 has syringe needle 17, one side meshing of hollow tube 16 has second gear 18, the bottom fixed mounting of collection case 20 inner wall has electric plate 21, the top fixed mounting of electric plate 21 has thing board 22.

In the embodiment, by arranging the rack 6, the first gear 7, the through pipe 9, the spray head 10, the telescopic water pipe 11 and the water pump 12, the interior of the detection box 1 after a sample is detected can be effectively cleaned, no gas molecules or liquid molecules are left, the function of removing residual impurities from the sample to be detected is achieved while the sample to be detected is detected, the sample to be detected can be further purified, the accuracy of a sample detection result is ensured, the second air pump 14, the telescopic air pipe 15, the hollow pipe 16, the needle head 17 and the second gear 18 are arranged, the hollow pipe 16 drives the needle head 17 to be inserted into the sample bottle through the second motor 19, the gas in the sample bottle can be rapidly pumped out and transferred into the detection box 1 under the action of the second air pump 14, and the whole transfer process is carried out in the relatively closed collection box 20, therefore, the interference of the external gas to the detection process is reduced, and the detection precision is improved.

Specifically, detection case 1 and collection box 20 fixed connection, the top fixed mounting of detection case 1 has detector 2, and one side intercommunication of detection case 1 has vacuum pump 3.

In this embodiment, the detection end of detector 2 runs through detection case 1 to extend to the inside of detection case 1, through setting up detector 2, detect the processing to sample gas, through setting up vacuum pump 3, can take out the air in the detection case 1 clean, so that use next time.

Specifically, the communication of detection case 1 one side has drain pipe 4, and the inside fixed mounting of drain pipe 4 has the valve.

In this embodiment, through setting up drain pipe 4, pass through drain pipe 4 discharge detection case 1 with the sewage after wasing, and then effectively ensured the clean degree of 1 inside detection cases, improve sample detection quality.

Specifically, the nozzles 10 at the two ends of the top of the through pipe 9 are all arranged in an inclined manner.

In this embodiment, be favorable to clearing up the dead angle department at detection case 1 top, enlarge the clearance scope to improve the inside cleanliness of detection case 1.

Specifically, a first motor 8 is fixedly mounted on the back surface of the first gear 7, and a second motor 19 is fixedly mounted on the back surface of the second gear 18.

In this embodiment, the driving end of the first motor 8 is fixedly connected with the first gear 7, and the driving end of the second motor 19 is fixedly connected with the second gear 18.

Specifically, a fixing frame 23 is fixedly installed on the top of the object placing plate 22.

In this embodiment, through setting up mount 23, be located the through-hole department at mount 23 top with the bottleneck of sample bottle, be favorable to fixing the sample bottle.

The utility model discloses a theory of operation and use flow: when the sample bottle detection device is used, a sample bottle to be detected is placed at the top of the storage plate 22, the bottle mouth penetrates through the fixing frame 23, the electric heating plate 21 is started to heat the sample bottle, volatile components in the sample are volatilized from a sample matrix through heating and warming, when the gas phase and the liquid phase in the sample bottle reach balance, the second motor 19 is started, the second motor 19 drives the second gear 18 fixedly connected with the driving end of the second motor to rotate, due to the meshing effect between the hollow tube 16 and the second gear 18, the hollow tube 16 moves downwards and drives the needle head 17 to move downwards, the needle head 17 penetrates through a rubber sheath at the top of the sample bottle and is inserted into the sample bottle, the second air pump 14 is started simultaneously, the second air pump 14 pumps gas in the sample bottle into the hollow tube 16 and enters the detection box 1 through the telescopic air tube 15, and then the first air pump 13 is started, pumping carrier gas into the detection box 1, carrying sample gas into the detector 2 for detection, starting the first motor 8 after detection, driving the first gear 7 meshed with the driving end of the first motor 8 to rotate, moving the rack 6 left and right outside the support rod 5 due to the meshing action between the first gear 7 and the rack 6, communicating the water inlet of the water pump 12 with an external water source, starting the water pump 12, conveying water into the through pipe 9 through the telescopic water pipe 11 by the water pump 12, spraying the water to the top of the inner wall of the detection box 1 through the spray head 10 to perform cleaning work, flushing impurities at the top of the inner wall of the detection box 1, flowing the flushed sewage into the bottom of the detection box 1, opening the valve in the drain pipe 4 to discharge the sewage, and pumping the air in the detection box 1 through the operation of the vacuum pump 3, for the next use.

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 conveniently get rid of remaining paper for solvent headspace sample injector of impurity for cigarette, includes detection case (1) and collection box (20), its characterized in that: the inside fixed mounting of detection case (1) has bracing piece (5), rack (6) has been cup jointed to the outside of bracing piece (5), the bottom meshing of rack (6) has first gear (7), the top fixed mounting of rack (6) has siphunculus (9), the top fixed mounting of siphunculus (9) has shower nozzle (10), the one end intercommunication of siphunculus (9) bottom has flexible water pipe (11), one side intercommunication that siphunculus (9) were kept away from in flexible water pipe (11) has water pump (12), one side intercommunication of detection case (1) has first air pump (13), one side intercommunication of detection case (1) has second air pump (14), the bottom intercommunication of second air pump (14) has flexible trachea (15), the bottom intercommunication of flexible trachea (15) has hollow tube (16), the bottom fixed mounting of hollow tube (16) has syringe needle (17), a second gear (18) is meshed with one side of the hollow pipe (16), an electric heating plate (21) is fixedly installed at the bottom of the inner wall of the collection box (20), and an object placing plate (22) is fixedly installed at the top of the electric heating plate (21).

2. The headspace sampler for cigarette paper solvents convenient for removing impurity residues as claimed in claim 1, characterized in that: the detection box (1) is fixedly connected with the collection box (20), the detector (2) is fixedly mounted at the top of the detection box (1), and one side of the detection box (1) is communicated with the vacuum pump (3).

3. The headspace sampler for cigarette paper solvents convenient for removing impurity residues as claimed in claim 1, characterized in that: the detection box is characterized in that a drain pipe (4) is communicated with one side of the detection box (1), and a valve is fixedly arranged inside the drain pipe (4).

4. The headspace sampler for cigarette paper solvents convenient for removing impurity residues as claimed in claim 1, characterized in that: and the spray heads (10) at the two ends of the top of the through pipe (9) are obliquely arranged.

5. The headspace sampler for cigarette paper solvents convenient for removing impurity residues as claimed in claim 1, characterized in that: a first motor (8) is fixedly mounted on the back surface of the first gear (7), and a second motor (19) is fixedly mounted on the back surface of the second gear (18).

6. The headspace sampler for cigarette paper solvents convenient for removing impurity residues as claimed in claim 1, characterized in that: the top of the object placing plate (22) is fixedly provided with a fixed frame (23).

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