CN213658656U

CN213658656U - Gas chromatograph for preventing sample from being polluted

Info

Publication number: CN213658656U
Application number: CN202022530017.1U
Authority: CN
Inventors: 周磊; 李丽; 龙文军
Original assignee: Wuhan Taiteworth Technology Co ltd
Current assignee: Wuhan Taiteworth Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-09
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a prevent contaminated gas chromatograph of sample belongs to chemical analysis technical field, comprising a main body, fixed mounting has the sample to deposit the case in the middle of main part top outer wall one side, and the sample deposits incasement wall upper end fixed mounting has the pull pole, and is a plurality of the flexible fixed mounting of pull pole has the elastic sleeve, and the fixed sample bottle that has cup jointed of elastic sleeve inside, fixed mounting has the fixed plate in the middle of the sample deposits incasement wall. The utility model discloses in deposit incasement portion through the fixed sample of arranging in of sample bottle, the incasement portion is deposited to the sample is provided with ultraviolet disinfection lamp and exhaust tube for the sample is deposited the case and is in the vacuum state of sterilization all the time, and then disinfects the syringe needle of sample bottle outer wall and cylinder, and the sample is polluted when avoiding taking a sample, and cylinder and pipe, intake pipe fixed connection in proper order simultaneously, from taking a sample to advance the appearance sample and be in inclosed environment, do not contact with outside element, avoid the sample to be polluted.

Description

Gas chromatograph for preventing sample from being polluted

Technical Field

The utility model relates to a chemical analysis technical field especially relates to a prevent contaminated gas chromatograph of sample.

Background

The gas chromatograph is an instrument for qualitatively and quantitatively analyzing a multi-component complex mixture by utilizing a chromatographic separation technology and a detection technology; gas chromatographs are widely varied in type and function, but their basic structures are similar, and they generally consist of a gas path system, a sample introduction system, a separation system (chromatographic column system), a detection and temperature control system, and a recording system, and are mainly used for separating and analyzing volatile substances.

Gas chromatography has become one of the most important separation and analysis methods, and is widely applied in the fields of medicine and health, petrochemical industry, environmental monitoring, biochemistry and the like; the gas chromatograph has the advantages of high sensitivity, high efficiency, high selectivity, high analysis speed, small amount of required samples, wide application range and the like, but the samples are easily polluted before and after sampling, so that the detection data is inaccurate, and therefore, the gas chromatograph for preventing the samples from being polluted is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas chromatograph for preventing a sample from being polluted.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent contaminated gas chromatograph of sample, includes the main part, fixed mounting has the sample to deposit the case in the middle of main part top outer wall one side, and the sample deposits incasement wall upper end fixed mounting has the pull pole, and is a plurality of the flexible fixed mounting of pull pole has the elastic sleeve, and the elastic sleeve internal fixation has cup jointed the sample bottle, fixed mounting has the fixed plate in the middle of the sample deposits incasement wall, and fixed pegging graft in the middle of the fixed plate has the cylinder, cylinder bottom fixedly connected with pipe, the sample deposits incasement wall lower extreme fixed mounting has the exhaust tube, and sample deposit case one side inner wall upper end fixed mounting has the ultraviolet disinfection lamp, the inside fixed mounting of main part has the intake pipe, and.

Preferably, the display screen is installed to main part one side outer wall upper end inlay, and main part one side outer wall lower extreme fixed mounting has a plurality of equidistant button.

Preferably, a buffer seat is fixedly mounted at one end of the outer wall of the top end of the main body, a vacuum pump is fixedly mounted inside the buffer seat, and the outlet end of the vacuum pump is fixedly connected with the exhaust pipe.

Preferably, the injection port is opened to the main part top outer wall other end, and the inside fixed mounting of injection port has the rubber sleeve, and rubber sleeve inside is pegged graft and is had sealed steel pipe.

Preferably, inside from the top of pipe fixed mounting has flow sensor and peristaltic pump in proper order, and pipe one end has seted up cylindric extension groove, main part one side inner wall upper end fixed mounting has the cylinder, and the inside slidable mounting of cylinder has the movable rod, and the movable rod removal end runs through the extension groove, and movable rod one end fixed mounting has the rubber plectane, and rubber plectane outer wall fixed mounting has the rubber platform.

Preferably, one side of the sample storage box is rotatably provided with a sealing door, and a transparent glass plate is embedded in the middle of the sealing door.

Preferably, the reference reagent bottle is fixedly placed on one side of the outer wall of the top end of the fixing plate, and a sample is arranged on one side of the outer wall of the bottom end of the fixing plate.

The utility model has the advantages that:

1. the utility model provides a prevent contaminated gas chromatograph of sample, deposit incasement portion through the fixed sample of arranging in of sample bottle, the sample is deposited incasement portion and is provided with ultraviolet disinfection lamp and exhaust tube, make the sample deposit the case and be in the vacuum state of sterilization all the time, and then disinfect the syringe needle of sample bottle outer wall and cylinder, the sample is polluted when avoiding taking a sample, cylinder and pipe simultaneously, intake pipe fixed connection in proper order, from taking a sample to advance the appearance sample and be in inclosed environment, not contact with outside element, avoid the sample to be polluted.

2. The utility model provides a prevent contaminated gas chromatograph of sample is provided with the rubber sleeve through the intake pipe top, deposit the case at the sample because of other factors can't use the time, can adopt artifical sample and squeeze into the intake pipe with the sample, avoid hindering the sample detection, and the inside grafting of rubber sleeve has sealed steel pipe, avoid inside dust, moisture etc. get into the rubber sleeve, be provided with rubber plectane and rubber platform through the pipe lower extreme, ensure that the sample of pipe inner wall all gets into the intake pipe.

3. The utility model provides a prevent contaminated gas chromatograph of sample has fixedly placed benchmark reagent bottle through fixed plate top outer wall one side, can insert the benchmark reagent bottle with the cylinder before the sample detects inside, carries out gas chromatograph's detection and correction, avoids the waste of sample.

Drawings

Fig. 1 is a schematic structural diagram of a gas chromatograph for preventing a sample from being contaminated according to the present invention;

fig. 2 is a schematic front view of a gas chromatograph for preventing a sample from being contaminated according to the present invention;

fig. 3 is a schematic side view of a gas chromatograph rubber table for preventing contamination of a sample according to the present invention;

fig. 4 is a schematic structural diagram of a sample storage box of a gas chromatograph for preventing a sample from being contaminated according to embodiment 2 of the present invention.

In the figure: the device comprises a main body 1, a cylinder 2, an exhaust tube 3, a fixing plate 4, a syringe 5, a sealing door 6, a sample storage box 7, a sample bottle 8, an elastic sleeve 9, a drawing rod 10, an ultraviolet disinfection lamp 11, a sealing steel tube 12, a rubber sleeve 13, a guide tube 14, an air inlet tube 15, a key 16, a display screen 17, a buffer seat 18, a vacuum pump 19, a transparent glass plate 20, a rubber circular plate 21, a rubber table 22 and a reference reagent bottle 23.

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 prevent contaminated gas chromatograph of sample, including main part 1, install sample storage box 7 through the bolt in the middle of main part 1 top outer wall one side, and the sample is deposited 7 inner wall upper ends and is installed pull pole 10 through the bolt, elastic sleeve 9 is installed through the bolt to the flexible end of a plurality of pull poles 10, and elastic sleeve 9 is inside to have cup jointed sample bottle 8, install fixed plate 4 through the bolt in the middle of the sample storage box 7 inner wall, and fixed grafting has cylinder 5 in the middle of the

fixed plate

4, 5 bottom of cylinder have pipe 14 through flange joint, the exhaust tube 3 is installed through the lantern ring to the sample storage box 7 inner wall lower extreme, and the sample is deposited 7 one side inner wall upper end and is installed ultraviolet disinfection lamp 11 through the bolt, 1 inside fixed mounting of main part has

intake pipe

15, and 15 upper.

In the utility model, a display screen 17 is embedded and installed at the upper end of the outer wall of one side of the main body 1, and a plurality of equidistant keys 16 are installed at the lower end of the outer wall of one side of the main body 1;

a buffer seat 18 is installed at one end of the outer wall of the top end of the main body 1 through a bolt, a vacuum pump 19 is placed inside the buffer seat 18, and the outlet end of the vacuum pump 19 is connected with the exhaust tube 3 through a connecting tube;

a sample inlet is formed in the other end of the outer wall of the top end of the main body 1, a rubber sleeve 13 is fixedly installed inside the sample inlet, and a sealing steel pipe 12 is inserted inside the rubber sleeve 13;

a flow sensor and a peristaltic pump are sequentially installed in the conduit 14 from top to bottom through bolts, a cylindrical extension groove is formed in one end of the conduit 14, an air cylinder 2 is installed at the upper end of the inner wall of one side of the main body 1 through bolts, a movable rod is installed in the air cylinder 2 in a sliding mode, the moving end of the movable rod penetrates through the extension groove, a rubber circular plate 21 is installed at one end of the movable rod through bolts, and a rubber table 22 is installed on the outer wall of the rubber circular plate 21 through bolts;

one side of the sample storage box 7 is rotatably provided with a sealing door 6, and a transparent glass plate 20 is embedded in the middle of the sealing door 6.

The working principle is as follows: the sample bottle 8 is fixedly arranged in the sample storage box 7, the ultraviolet disinfection lamp 11 and the exhaust tube 3 are arranged in the sample storage box 7, so that the sample storage box 7 is always in a sterilization vacuum state, the outer wall of the sample bottle 8 and a needle head of the needle cylinder 5 are further disinfected, the sample is prevented from being polluted during sampling, meanwhile, the needle cylinder 5, the guide tube 14 and the air inlet tube 15 are fixedly connected in sequence, the sample is in a closed environment from sampling to sample introduction, and the sample is prevented from being polluted because the sample is not contacted with external elements; be provided with rubber sleeve 13 through intake pipe 15 top, deposit case 7 at the sample when unable the use because of other factors, can adopt artifical sample and squeeze into intake pipe 15 with the sample, avoid delaying sample detection, and rubber sleeve 13 is inside to be pegged graft and to have sealed steel pipe 12, avoid inside dust, moisture etc. get into rubber sleeve 13, be provided with rubber plectane 21 and rubber platform 22 through the pipe 14 lower extreme, ensure that the whole intake pipe 15 that get into of sample of pipe 14 inner wall.

Example 2

Referring to fig. 4, a prevent contaminated gas chromatograph of sample, further, fixed reference reagent bottle 23 of having placed in fixed plate 4 top outer wall one side, and fixed plate 4 bottom outer wall one side has seted up the sample.

The working principle is as follows: fixed reference reagent bottle 23 of having placed in top outer wall one side through fixed plate 4, can insert syringe 5 inside reference reagent bottle 23 before sample testing, carry out gas chromatograph's detection and correction, avoid the waste of sample.

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

1. The gas chromatograph for preventing the sample from being polluted comprises a main body (1) and is characterized in that a sample storage box (7) is fixedly mounted in the middle of one side of the outer wall of the top end of the main body (1), a pull rod (10) is fixedly mounted at the upper end of the inner wall of the sample storage box (7), a plurality of pull rods (10) are fixedly mounted with elastic sleeves (9), sample bottles (8) are fixedly sleeved in the elastic sleeves (9), a fixed plate (4) is fixedly mounted in the middle of the inner wall of the sample storage box (7), a needle cylinder (5) is fixedly inserted in the middle of the fixed plate (4), a guide pipe (14) is fixedly connected with the bottom end of the needle cylinder (5), an exhaust pipe (3) is fixedly mounted at the lower end of the inner wall of the sample storage box (7), an ultraviolet disinfection lamp (11) is fixedly mounted at the upper end of the inner wall, and the upper end of the air inlet pipe (15) is inserted with the conduit (14).

2. The gas chromatograph for preventing the sample from being polluted according to claim 1, wherein a display screen (17) is mounted on the upper end of the outer wall of one side of the main body (1), and a plurality of equidistant keys (16) are fixedly mounted on the lower end of the outer wall of one side of the main body (1).

3. The gas chromatograph for preventing the sample from being polluted according to claim 1, wherein a buffer seat (18) is fixedly installed at one end of the outer wall of the top end of the main body (1), a vacuum pump (19) is fixedly installed inside the buffer seat (18), and the outlet end of the vacuum pump (19) is fixedly connected with the exhaust tube (3).

4. The gas chromatograph for preventing the sample from being polluted according to claim 3, wherein a sample inlet is formed at the other end of the outer wall of the top end of the main body (1), a rubber sleeve (13) is fixedly installed inside the sample inlet, and a sealing steel pipe (12) is inserted inside the rubber sleeve (13).

5. The gas chromatograph for preventing the sample from being polluted according to claim 1, wherein a flow sensor and a peristaltic pump are fixedly installed inside the conduit (14) from top to bottom in sequence, a cylindrical extension groove is formed at one end of the conduit (14), the cylinder (2) is fixedly installed at the upper end of the inner wall of one side of the main body (1), a movable rod is slidably installed inside the cylinder (2), the moving end of the movable rod penetrates through the extension groove, a rubber circular plate (21) is fixedly installed at one end of the movable rod, and a rubber table (22) is fixedly installed on the outer wall of the rubber circular plate (21).

6. The gas chromatograph for preventing the sample from being polluted according to claim 1, wherein a sealing door (6) is rotatably installed at one side of the sample storage box (7), and a transparent glass plate (20) is installed in the middle of the sealing door (6).

7. The gas chromatograph for preventing the sample from being polluted according to claim 1, wherein a reference reagent bottle (23) is fixedly placed on one side of the outer wall of the top end of the fixing plate (4), and a sampling hole is formed on one side of the outer wall of the bottom end of the fixing plate (4).