CN215985894U - High-precision gas chromatograph for quantitative gas compression - Google Patents
High-precision gas chromatograph for quantitative gas compression Download PDFInfo
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- CN215985894U CN215985894U CN202121812973.7U CN202121812973U CN215985894U CN 215985894 U CN215985894 U CN 215985894U CN 202121812973 U CN202121812973 U CN 202121812973U CN 215985894 U CN215985894 U CN 215985894U
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Abstract
The utility model discloses a high-precision gas chromatograph for quantitative gas compression, which comprises a device body, a quantitative cylinder, a filter plate and a chromatographic column, wherein a detector is fixedly arranged on one side of the device body, a sliding chute is fixedly arranged on one side of the outer part of the device body, a sliding rod is fixedly connected inside the sliding chute, and the quantitative cylinder is fixedly connected on one side of the top end of the device body. According to the utility model, the quantitative cylinder is arranged on one side of the top end of the device body, quantitative gas in the gas storage chamber can be input into the quantitative cylinder through the connecting pipe on one side of the quantitative cylinder, the rubber plug can be driven to press down through the starting of the electric push rod, so that the gas enters the device body below through the one-way valve for detection, and the one-way valve is arranged at the bottom end in the quantitative cylinder to prevent gas from flowing backwards, so that the quantitative gas in the gas storage chamber is blown into the device body, the quantitative input of the gas of the high-precision gas chromatograph is realized, and the accuracy of the high-precision gas chromatograph is improved.
Description
Technical Field
The utility model relates to the technical field of gas chromatographs, in particular to a high-precision gas chromatograph for quantitative gas compression.
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, can be generally used for analyzing organic matters with heat stable boiling points not more than 500 ℃ in soil, such as volatile organic matters, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbons, phthalate esters and the like, has various types and different functions, but has similar basic structure, and generally consists 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.
The existing high-precision gas chromatograph with quantitative gas compression has low accuracy, and gas is easy to generate counter flow, so that the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-precision gas chromatograph with quantitative gas compression, which aims to solve the problems that the gas chromatograph in the background technology has low accuracy, gas is easy to generate counter flow and the working efficiency is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: a quantitative gas compression high-precision gas chromatograph comprises a device body, a quantitative cylinder, a filter plate and a chromatographic column, wherein a detector is fixedly arranged on one side of the device body, a sliding groove is fixedly arranged on one side of the outside of the device body, a sliding rod is fixedly connected inside the sliding groove, the quantitative cylinder is fixedly connected on one side of the top end of the device body, a barrel cover is fixedly connected on the top end of the quantitative cylinder, an electric push rod is fixedly arranged at the bottom end of the barrel cover, a rubber plug is fixedly connected at the bottom end of the electric push rod, the quantitative cylinder is slidably connected outside the rubber plug, a sliding block is slidably connected on one side of the outside of the sliding rod, a second fixing plate is fixedly connected on one side of the sliding block, a hollow cylinder is fixedly connected on one side of the top end of the hollow cylinder, a torsion handle is movably connected on one side of the top end of the hollow cylinder, a sample inlet is fixedly arranged on one side of the top end of the inside of the device body, the top end of the sample inlet is fixedly connected with a one-way valve.
Preferably, one side of the quantitative cylinder is fixedly connected with a connecting piece, and the top end of the connecting piece is movably connected with a spiral handle.
Preferably, the bottom end of the spiral handle is movably connected with an air bag, and the bottom end of the air bag is fixedly connected with a rubber sleeve.
Preferably, one side of the connecting piece is movably connected with a connecting pipe, and the outside of one side of the connecting pipe is movably connected with a rubber sleeve.
Preferably, one side of the outer part of the device body is movably connected with a filter plate, two sides of the filter plate are fixedly connected with first fixing plates, and one side of each first fixing plate is fixedly provided with a clamping groove.
Preferably, one side of the sliding block is fixedly connected with a tension spring, one side of the tension spring is fixedly connected with a sliding chute, and a sliding rod is arranged inside the tension spring.
Preferably, the bottom end of the torque handle is fixedly connected with a movable shaft, the top end of the movable shaft is fixedly connected with a torque spring, and the torque handle is arranged in the torque spring.
Preferably, one side of the movable shaft is fixedly connected with a fixed rod, and the outside of one side of the fixed rod is movably connected with a clamping groove.
Preferably, one side of the bottom end inside the device body is fixedly provided with a chromatographic column, one side of the chromatographic column is provided with a thermal conductivity cell, one side of the thermal conductivity cell is provided with a soap film flowmeter, and one side of the thermal conductivity cell is fixedly connected with a detector.
Compared with the prior art, the utility model has the beneficial effects that:
1. the quantitative gas compression high-precision gas chromatograph is characterized in that a quantitative cylinder is arranged on one side of the top end of a device body, quantitative gas in a gas storage chamber can be input into the quantitative cylinder through a connecting pipe on one side of the quantitative cylinder, the quantitative cylinder is started through an electric push rod, a rubber plug can be driven to press down, the gas enters a device body below the quantitative cylinder through a one-way valve for detection, the gas backflow is prevented through the one-way valve arranged at the bottom end in the quantitative cylinder, so that the quantitative gas in the gas storage chamber is blown into the device body, the quantitative input of the gas in the high-precision gas chromatograph is realized, and the accuracy of the high-precision gas chromatograph is improved;
2. the high-precision gas chromatograph for quantitative gas compression has the advantages that the connecting piece is arranged at the joint of the quantitative cylinder and the connecting pipe, the spiral handle at the top end of the connecting piece is rotated, the spiral handle can move downwards and simultaneously extrude an airbag below the spiral handle, the rubber sleeve is arranged at the bottom end of the airbag and can apply pressure to the rubber sleeve after the airbag receives extrusion, the rubber sleeve is tightly attached to the surface of the connecting pipe, the connection between the connecting piece and the connecting pipe is completed, and meanwhile, the spiral handle can cancel the pressure to the airbag by reversely rotating the spiral handle, so that the rubber sleeve cancels the fixation to the connecting pipe;
3. this kind of quantitative gas compression's high accuracy gas chromatograph, there is the filter plate through the swing joint in the outside one side of device body, the first fixed plate of both sides fixedly connected with of filter plate simultaneously, dead lever through hollow section of thick bamboo one side is fixed with the draw-in groove of first fixed plate one side, can fix the filter plate on the device body, simultaneously through the torsion handle of wrench movement hollow section of thick bamboo one side, can make the torsion handle drive the dead lever through the loose axle and rotate, make the torsion handle identical with the exit profile of draw-in groove, through pulling torsion handle this moment, can make hollow section of thick bamboo drive the second fixed plate and remove, make the slider slide on the inside slide bar of spout, the draw-in groove on the first fixed plate can be taken out the dead lever this moment, can accomplish the dismantlement of filter plate this moment.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the connector of the present invention;
FIG. 3 is a side view of the connector of the present invention;
FIG. 4 is a schematic view of the structure of the slider and the hollow cylinder according to the present invention;
FIG. 5 is a side view of the device body of the present invention.
In the figure: 1. a device body; 101. a detector; 102. a chute; 103. a slide bar; 2. a dosing cylinder; 201. a barrel cover; 202. an electric push rod; 203. a rubber plug; 204. a one-way valve; 3. a connecting member; 301. a screw handle; 302. an air bag; 303. a rubber sleeve; 4. a connecting pipe; 5. filtering the plate; 501. a first fixing plate; 502. a card slot; 6. a slider; 601. a second fixing plate; 602. a tension spring; 7. a hollow cylinder; 701. a torque handle; 702. a movable shaft; 703. a torsion spring; 704. fixing the rod; 8. a sample inlet; 9. a chromatographic column; 10. a thermal conductivity cell; 11. soap film flow meter.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a high-precision gas chromatograph for quantitative gas compression comprises a device body 1, a quantitative cylinder 2, a filter plate 5 and a chromatographic column 9, wherein a detector 101 is fixedly arranged on one side of the device body 1, and a detection result can be displayed through the detector 101;
a sliding chute 102 is fixedly arranged on one side of the outer part of the device body 1, a sliding rod 103 is fixedly connected inside the sliding chute 102, a quantitative cylinder 2 is fixedly connected on one side of the top end of the device body 1, and the quantitative output of gas can be controlled through the quantitative cylinder 2;
the top end of the quantitative cylinder 2 is fixedly connected with a cylinder cover 201, the bottom end of the cylinder cover 201 is fixedly provided with an electric push rod 202, the bottom end of the electric push rod 202 is fixedly connected with a rubber plug 203, the outside of the rubber plug 203 is connected with the quantitative cylinder 2 in a sliding manner, the electric push rod 202 is started, gas in the quantitative cylinder 2 can enter the device body 1 below through a one-way valve 204, and the electric push rod 202 is a DYTZB1000-500/110-X type electric push rod;
one side of the quantitative cylinder 2 is fixedly connected with a connecting piece 3, the top end of the connecting piece 3 is movably connected with a spiral handle 301, the bottom end of the spiral handle 301 is movably connected with an air bag 302, the bottom end of the air bag 302 is fixedly connected with a rubber sleeve 303, one side of the connecting piece 3 is movably connected with a connecting pipe 4, the outer part of one side of the connecting pipe 4 is movably connected with the rubber sleeve 303, the spiral handle 301 can move downwards by rotating the spiral handle 301 at the top end of the connecting piece 3 to extrude the air bag 302, and the rubber sleeve 303 at the bottom end of the air bag 302 is tightly attached to the surface of the connecting pipe 4 to complete the fixation;
one side of the outside of the device body 1 is movably connected with a filter plate 5, and external dust can be filtered through the filter plate 5;
a first fixing plate 501 is fixedly connected to two sides of the filter plate 5, a clamping groove 502 is fixedly arranged on one side of the first fixing plate 501, a slide block 6 is slidably connected to one side of the outer portion of the slide rod 103, a second fixing plate 601 is fixedly connected to one side of the slide block 6, a tension spring 602 is fixedly connected to one side of the slide block 6, a slide chute 102 is fixedly connected to one side of the tension spring 602, the slide rod 103 is arranged inside the tension spring 602, a hollow cylinder 7 is fixedly connected to one side of the second fixing plate 601, a torsion handle 701 is movably connected to one side of the top end of the hollow cylinder 7, a movable shaft 702 is fixedly connected to the bottom end of the torsion handle 701, a torsion spring 703 is fixedly connected to the top end of the movable shaft 702, a torsion handle 701 is arranged inside the torsion spring 703, a fixing rod 704 is fixedly connected to one side of the movable shaft 702, a clamping groove 502 is movably connected to the outer portion of one side of the fixing rod 704, and is inserted into the clamping groove 502 on the first fixing plate 501 on two sides of the filter plate 5, the fixation of the filter plate 5 on the device body 1 can be completed;
one side of the inside top of device body 1 is fixed and is provided with introduction port 8, the top fixedly connected with check valve 204 of introduction port 8, the fixed chromatographic column 9 that is provided with in one side of the inside bottom of device body 1, one side of chromatographic column 9 is provided with thermal conductivity cell 10, one side of thermal conductivity cell 10 is provided with soap film flowmeter 11, one side fixedly connected with detector 101 of thermal conductivity cell 10, the inside gas of access to device body 1 separates through chromatographic column 9, change into corresponding signal through thermal conductivity cell 10 and soap film flowmeter 11, obtain the chromatogram outflow curve through detector 101.
The working principle is as follows: through setting up the quantitative cylinder 2 on one side of the top of the apparatus body 1, can input the gas of the gas receiver internal ration into the quantitative cylinder 2 through the connecting tube 4 of one side of the quantitative cylinder 2, start through the electric push rod 202, can drive the rubber stopper 203 to push down, make the gas enter the apparatus body 1 below and detect through the check valve 204, prevent the gas from flowing against the other way through the check valve 204 of the internal bottom of the quantitative cylinder 2, thus the gas of the gas receiver internal ration is blown into the apparatus body 1 inside, the gas entering the apparatus body 1 is separated through the chromatographic column 9, change into the corresponding signal through the thermal conductivity cell 10 and soap film flowmeter 11, obtain the chromatogram outflow curve through the detector 101, there is a filter plate 5 outside the apparatus body 1 at the same time, can play the dustproof heat dissipation role, both sides of the filter plate 5 are fixedly connected with the first fixed plate 501, fix with the draw-in 502 of one side of the first fixed plate 501 through the dead lever 704 of one side of the hollow cylinder 7, the filter plate 5 can be fixed on the device body 1, meanwhile, the torsion handle 701 can be driven by the torsion handle 701 through the movable shaft 702 to drive the fixing rod 704 to rotate by twisting the torsion handle 701 on one side of the hollow cylinder 7, so that the torsion handle 701 is matched with the outlet shape of the clamping groove 502, at the moment, the hollow cylinder 7 can be driven by pulling the torsion handle 701 to drive the second fixing plate 601 to move, the sliding block 6 can slide on the sliding rod 103 in the sliding groove 102, at the moment, the fixing rod 704 can be pulled out of the clamping groove 502 on the first fixing plate 501, and at the moment, the filter plate 5 can be disassembled.
Claims (9)
1. The utility model provides a high accuracy gas chromatograph of quantitative gas compression, its characterized in that, includes device body (1), a quantitative section of thick bamboo (2), filter plate (5) and chromatographic column (9), one side of device body (1) is fixed and is provided with detector (101), and one side of device body (1) outside is fixed and is provided with spout (102), and the inside fixedly connected with slide bar (103) of spout (102), one side fixedly connected with quantitative section of thick bamboo (2) on device body (1) top, the top fixedly connected with bung (201) of a quantitative section of thick bamboo (2), the bottom fixed mounting of bung (201) has electric putter (202), the bottom fixedly connected with rubber buffer (203) of electric putter (202), the outside sliding connection of rubber buffer (203) has a quantitative section of thick bamboo (2), one side sliding connection outside slide bar (103) has slider (6), one side fixedly connected with second fixed plate (601) of slider (6), one side fixedly connected with hollow section of thick bamboo (7) of second fixed plate (601), one side swing joint on hollow section of thick bamboo (7) top has torsion handle (701), one side on the inside top of device body (1) is fixed and is provided with introduction port (8), the top fixedly connected with check valve (204) of introduction port (8).
2. A quantitative gas compression high accuracy gas chromatograph according to claim 1, wherein: one side fixedly connected with connecting piece (3) of ration section of thick bamboo (2), the top swing joint of connecting piece (3) has spiral handle (301).
3. A quantitative gas compression high accuracy gas chromatograph according to claim 2, wherein: the bottom end of the spiral handle (301) is movably connected with an air bag (302), and the bottom end of the air bag (302) is fixedly connected with a rubber sleeve (303).
4. A quantitative gas compression high accuracy gas chromatograph according to claim 2, wherein: one side swing joint of connecting piece (3) has connecting pipe (4), the outside swing joint of connecting pipe (4) one side has rubber sleeve (303).
5. A quantitative gas compression high accuracy gas chromatograph according to claim 1, wherein: the device is characterized in that a filter plate (5) is movably connected to one side of the outer portion of the device body (1), first fixing plates (501) are fixedly connected to two sides of the filter plate (5), and a clamping groove (502) is fixedly arranged on one side of each first fixing plate (501).
6. A quantitative gas compression high accuracy gas chromatograph according to claim 1, wherein: one side of the sliding block (6) is fixedly connected with a tension spring (602), one side of the tension spring (602) is fixedly connected with a sliding chute (102), and a sliding rod (103) is arranged inside the tension spring (602).
7. A quantitative gas compression high accuracy gas chromatograph according to claim 1, wherein: the bottom end of the torsion handle (701) is fixedly connected with a movable shaft (702), the top end of the movable shaft (702) is fixedly connected with a torsion spring (703), and the torsion handle (701) is arranged in the torsion spring (703).
8. A quantitative gas compression high accuracy gas chromatograph according to claim 7, wherein: one side of the movable shaft (702) is fixedly connected with a fixed rod (704), and the outside of one side of the fixed rod (704) is movably connected with a clamping groove (502).
9. A quantitative gas compression high accuracy gas chromatograph according to claim 1, wherein: the device is characterized in that a chromatographic column (9) is fixedly arranged on one side of the bottom end inside the device body (1), a heat conduction pool (10) is arranged on one side of the chromatographic column (9), a soap film flowmeter (11) is arranged on one side of the heat conduction pool (10), and a detector (101) is fixedly connected to one side of the heat conduction pool (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121812973.7U CN215985894U (en) | 2021-08-04 | 2021-08-04 | High-precision gas chromatograph for quantitative gas compression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121812973.7U CN215985894U (en) | 2021-08-04 | 2021-08-04 | High-precision gas chromatograph for quantitative gas compression |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215985894U true CN215985894U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121812973.7U Active CN215985894U (en) | 2021-08-04 | 2021-08-04 | High-precision gas chromatograph for quantitative gas compression |
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| CN (1) | CN215985894U (en) |
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2021
- 2021-08-04 CN CN202121812973.7U patent/CN215985894U/en active Active
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