CN208721622U - A kind of volatile standard substance detection sampling device substituting headspace sampling - Google Patents
A kind of volatile standard substance detection sampling device substituting headspace sampling Download PDFInfo
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- CN208721622U CN208721622U CN201821485401.0U CN201821485401U CN208721622U CN 208721622 U CN208721622 U CN 208721622U CN 201821485401 U CN201821485401 U CN 201821485401U CN 208721622 U CN208721622 U CN 208721622U
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Abstract
The utility model discloses a kind of volatile standard substances for substituting headspace sampling to detect sampling device, including monitor station, the two sides of the monitor station bottom are provided with Convenient table, and the quantity of Convenient table is four, two sides at the top of the monitor station are provided with fixed link, and fixed block is provided at the top of two fixed links, the side outer wall of two fixed blocks is located in the middle position and is provided with threaded hole, and the inner wall of two threaded holes is threaded with thread lead screw, the outer wall thread of the thread lead screw is connected with sliding shoe, and the two sides of sliding shoe side outer wall are provided with through-hole, the inner wall of two through-holes is plugged with guide rod.The utility model can prevent volatile standard substance from contacting with air and volatilization occurs and impacts to the sample introduction of volatile standard substance, sample introduction quantitatively can be carried out to volatile standard substance, too low collide with reagent bottle of the displacement that can prevent U-shaped frame from falling causes reagent bottle damaged.
Description
Technical field
The utility model relates to sample detection technical field more particularly to a kind of volatile reference substances for substituting headspace sampling
Quality detection sampling device.
Background technique
Sample introduction refers in chromatographic system, the process of sample feeding chromatographic column can will be analyzed, to volatile reference substance
When matter is detected, it usually needs use device in turn.
But existing sampling device is easy to contact substance with air when being sampled volatile standard substance
And cause to volatilize, the detection of substance can be impacted, in addition, when being sampled to substance, due to that can not determine sampling
Amount causes sample introduction excessively to cause the waste of substance or the very few detection inaccuracy to substance of sample introduction, and to substance carry out into
When sample, since the displacement that hydraulic cylinder falls is uncontrollable, during will lead to sample introduction, device collides with reagent bottle makes reagent bottle
The work of leakage contribution device occurs for breakage, material sample.Therefore, it needs to design a kind of volatile standard for substituting headspace sampling
Substance detects sampling device to solve problems.
Utility model content
Purpose of the utility model is to solve disadvantage existing in the prior art, and a kind of substitution head space proposed into
The volatile standard substance of sample detects sampling device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of volatile standard substance detection sampling device substituting headspace sampling, including monitor station, the monitor station bottom
The two sides in portion are provided with Convenient table, and the quantity of Convenient table is four, and the two sides at the top of the monitor station are provided with fixation
Bar, and fixed block is provided at the top of two fixed links, it is equal that the side outer wall of two fixed blocks is located in the middle position
It is provided with threaded hole, and the inner wall of two threaded holes is threaded with thread lead screw, the outer wall thread connection of the thread lead screw
There is sliding shoe, and the two sides of sliding shoe side outer wall are provided with through-hole, the inner wall of two through-holes is plugged with guide rod, institute
The side outer wall for stating sliding shoe is provided with hydraulic cylinder, and the bottom of hydraulic cylinder is provided with U-shaped frame, the top exterior walls of the U-shaped frame
It is provided with circular hole, and the inner wall of round mouth is socketed with sample feeding pipe, the outer wall of the sample feeding pipe is carved with graduation mark, the top of the sample feeding pipe
It is provided with sample introduction needle, the sample feeding pipe is internally provided with piston, and electric telescopic rod is provided at the top of piston, the detection
Side at the top of platform is provided with detector, and the top exterior walls of the monitor station are provided with groove, and groove far from the position of detector
Inner wall be provided with bearing, the inner wall of the bearing is rotatably connected to rotation axis, and rotating disc is provided at the top of rotation axis.
The outer wall of the fixed block is provided with far from the side of thread lead screw as a further solution of the present invention,
First motor, and be bolted between one end and thread lead screw of the first motor output shaft.
Be provided at the top of the rotating disc as a further solution of the present invention, it is equidistant be distributed in a ring put
Slot is set, and the inside of placing groove is placed with reagent bottle, the inside of reagent bottle is contained with volatile standard substance, the bottleneck of reagent bottle
It is plugged with sealing-plug.
The side at the top of the monitor station is provided with article putting groove, and article putting groove as a further solution of the present invention,
Bottom interior wall be provided with the second motor, one end of the second motor output shaft is provided with driving gear.
The outer wall of the rotation axis is socketed with driven gear, and driven tooth as a further solution of the present invention,
It is intermeshed between wheel and driving gear.
First motor, the second motor, electric telescopic rod and inspection as a further solution of the present invention,
Survey instrument passes through conducting wire and is connected with switch, and switchs and be connected with processor by conducting wire.
The side of the U-shaped frame bottom outer wall is provided with displacement sensor as a further solution of the present invention,
And the signal output end of displacement sensor is connected by signal wire with the signal input part of processor.
The utility model has the following beneficial effects:
1. can be sealed to volatile standard substance by the reagent bottle and sealing-plug of setting, prevent volatile mark
Quasi- substance contacts with air and volatilization occurs and impacts to the sample introduction of volatile standard substance, improves the sealing effect of device
Fruit；
2. being enabled a device to quantitative to volatile standard by sample feeding pipe, piston, sample introduction needle and the graduation mark of setting
Substance carries out sample introduction, prevents sample introduction from excessively causing the waste of substance or the very few detection inaccuracy for leading to substance of sample introduction, improves
The sample introduction effect of device；
3. it enables a device to control the displacement that U-shaped frame declines by the U-shaped frame and displacement sensor of setting,
Too low collide with reagent bottle of displacement for preventing U-shaped frame from falling causes reagent bottle breakage to leak out volatile standard substance
Influence the work of device.
Detailed description of the invention
Fig. 1 be the utility model proposes the volatile standard substance of substitution headspace sampling a kind of detect sampling device and cut open
Depending on structural schematic diagram；
Fig. 2 be the utility model proposes a kind of substitution headspace sampling volatile standard substance detect sampling device office
Portion's structural schematic diagram；
Fig. 3 be the utility model proposes a kind of substitution headspace sampling volatile standard substance detect sampling device turn
Moving plate structural schematic diagram.
In figure: 1 monitor station, 2 Convenient tables, 3 detectors, 4 fixed links, 5 displacement sensors, 6U type frame, 7 first motor,
8 fixed blocks, 9 guide rods, 10 thread lead screws, 11 hydraulic cylinders, 12 sliding shoes, 13 electric telescopic rods, 14 sealing-plugs, 15 reagent bottles,
16 rotating discs, 17 driving gears, 18 article putting grooves, 19 second motor, 20 rotation axis, 21 sample introduction needles, 22 sample feeding pipes, 23 pistons,
24 graduation marks, 25 placing grooves.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of volatile standard substance substituting headspace sampling detects sampling device, including monitor station 1, inspection
The two sides of 1 bottom of scaffold tower are welded with Convenient table 2, and the quantity of Convenient table 2 is four, and the two sides at 1 top of monitor station are welded
There is fixed link 4, and fixed block 8, the side outer wall position of two fixed blocks 8 has been bolted in the top of two fixed links 4
It is provided with threaded hole in intermediate position, and the inner wall of two threaded holes is threaded with thread lead screw 10, thread lead screw 10
Outer wall thread be connected with sliding shoe 12, and the two sides of 12 side outer wall of sliding shoe are provided with through-hole, and the inner wall of two through-holes is equal
It is plugged with guide rod 9, hydraulic cylinder 11 has been bolted in the side outer wall of sliding shoe 12, and the bottom of hydraulic cylinder 11 passes through spiral shell
It tethers and is connected to U-shaped frame 6, the top exterior walls of U-shaped frame 6 are provided with circular hole, and the inner wall of round mouth is socketed with sample feeding pipe 22, sample feeding pipe 22
Outer wall is carved with graduation mark 24, quantitatively can carry out sample introduction to volatile standard substance, prevent sample introduction from excessively causing the wave of substance
Expense or the very few detection inaccuracy for leading to substance of sample introduction, the top of sample feeding pipe 22 are provided with sample introduction needle 21, sample feeding pipe 22 it is interior
Portion is provided with piston 23, and electric telescopic rod 13 has been bolted in the top of piston 23, and the side at 1 top of monitor station passes through
It is bolted detector 3, the top exterior walls of monitor station 1 are provided with groove, and the inner wall weldering of groove far from the position of detector 3
It is connected to bearing, the inner wall of bearing is rotatably connected to rotation axis 20, and rotating disc 16 has been bolted in the top of rotation axis 20.
In the utility model, it is electronic that the outer wall of fixed block 8 far from the side of thread lead screw 10 has been bolted first
Machine 7, and be bolted between one end and thread lead screw 10 of 7 output shaft of the first motor, the top of rotating disc 16 is provided with
The equidistant placing groove 25 being distributed in a ring, and the inside of placing groove 25 is placed with reagent bottle 15, the inside of reagent bottle 15 is held
There is volatile standard substance, the bottleneck of reagent bottle 15 is plugged with sealing-plug 14, can be sealed, prevent to volatile standard substance
Volatile standard substance contacts with air and volatilization occurs and impacts to the sample introduction of volatile standard substance, 1 top of monitor station
Side be provided with article putting groove 18, and the second motor 19, the second motor has been bolted in the bottom interior wall of article putting groove 18
Driving gear 17 has been bolted in one end of 19 output shafts, and the outer wall of rotation axis 20 is socketed with driven gear, and driven tooth
It is intermeshed between wheel and driving gear 17, the first motor 7, the second motor 19, electric telescopic rod 13 and detector 3 are equal
It is connected with switch by conducting wire, and switchs and processor is connected with by conducting wire, the side of U-shaped 6 bottom outer wall of frame is connected by bolt
It is connected to displacement sensor 5, and the signal output end of displacement sensor 5 connects energy with the signal input part of processor by signal wire
Enough displacements declined to U-shaped frame control, and too low collide with reagent bottle of the displacement for preventing U type frame from falling leads to reagent
Bottle is damaged to make volatile standard substance leak out the work for influencing device, the model ARM9TDMI of processor.
Working principle: in use, volatile standard substance to be contained in the inside of reagent bottle 15, sealing-plug 14, prevent beyond the Great Wall
Only volatile standard substance volatilizees, and turns on the switch, and the second motor 19 will drive driving gear 17 and be rotated, to make
Driven gear drives rotating disc 16 to rotate, at this point, the first motor 7 will drive the rotation of thread lead screw 10, drives sliding shoe 12
Sample feeding pipe 22 is moved to suitable position, meanwhile, hydraulic cylinder 11 can decline, when dropping to suitable position, displacement sensor 5
Signal can be issued, and processor can handle it after receiving signal, and hydraulic cylinder 11 is made to stop decline, sample introduction needle 21 can inject examination
In agent bottle 15, electric telescopic rod 13 will drive the rising of piston 23, to extracting volatile standard substance to sample feeding pipe 22
Portion carries out quantitative extraction to volatile standard substance by graduation mark 24, and after the completion of extraction, hydraulic cylinder 11 can rise, by sample introduction
Needle 21 takes out from reagent bottle 15, and volatile standard substance is placed into inside detector 3 and is detected.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of volatile standard substance for substituting headspace sampling detects sampling device, including monitor station (1), which is characterized in that
The two sides of monitor station (1) bottom are provided with Convenient table (2), and the quantity of Convenient table (2) is four, the monitor station
(1) two sides at the top of are provided with fixed link (4), and are provided with fixed block (8) at the top of two fixed links (4), two institutes
The side outer wall for stating fixed block (8) is located in the middle position and is provided with threaded hole, and the inner wall of two threaded holes is threadedly coupled
Have thread lead screw (10), the outer wall thread of the thread lead screw (10) is connected with sliding shoe (12), and outside sliding shoe (12) side
The two sides of wall are provided with through-hole, and the inner wall of two through-holes is plugged with guide rod (9), outside the side of the sliding shoe (12)
Wall is provided with hydraulic cylinder (11), and the bottom of hydraulic cylinder (11) is provided with U-shaped frame (6), and the top exterior walls of the U-shaped frame (6) are opened
Have circular hole, and the inner wall of round mouth is socketed with sample feeding pipe (22), the outer wall of the sample feeding pipe (22) is carved with graduation mark (24), it is described into
It is provided at the top of sample pipe (22) sample introduction needle (21), the sample feeding pipe (22) is internally provided with piston (23), and piston (23)
Top be provided with electric telescopic rod (13), the side at the top of the monitor station (1) is provided with detector (3), the monitor station
(1) top exterior walls are provided with groove far from the position of detector (3), and the inner wall of groove is provided with bearing, the bearing it is interior
Wall is rotatably connected to rotation axis (20), and rotating disc (16) are provided at the top of rotation axis (20).
2. a kind of volatile standard substance for substituting headspace sampling according to claim 1 detects sampling device, feature
It is, the outer wall of the fixed block (8) is provided with the first motor (7) far from the side of thread lead screw (10), and first is electronic
It is bolted between one end and thread lead screw (10) of machine (7) output shaft.
3. a kind of volatile standard substance for substituting headspace sampling according to claim 1 detects sampling device, feature
It is, the equidistant placing groove (25) being distributed in a ring, and the inside of placing groove (25) is provided at the top of the rotating disc (16)
It is placed with reagent bottle (15), the inside of reagent bottle (15) is contained with volatile standard substance, and the bottleneck of reagent bottle (15) is plugged with close
Blocking (14).
4. a kind of volatile standard substance for substituting headspace sampling according to claim 1 detects sampling device, feature
It is, the side at the top of the monitor station (1) is provided with article putting groove (18), and the bottom interior wall of article putting groove (18) is provided with the second electricity
One end of motivation (19), the second motor (19) output shaft is provided with driving gear (17).
5. a kind of volatile standard substance for substituting headspace sampling according to claim 1 detects sampling device, feature
It is, the outer wall of the rotation axis (20) is socketed with driven gear, and is intermeshed between driven gear and driving gear (17).
6. a kind of volatile standard substance for substituting headspace sampling according to claim 2 detects sampling device, feature
It is, first motor (7), the second motor (19), electric telescopic rod (13) are connected by conducting wire with detector (3)
There is switch, and switchs and processor is connected with by conducting wire.
7. a kind of volatile standard substance for substituting headspace sampling according to claim 1 detects sampling device, feature
It is, the side of U-shaped frame (6) bottom outer wall is provided with displacement sensor (5), and the signal output of displacement sensor (5)
End is connected by signal wire with the signal input part of processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485401.0U CN208721622U (en) | 2018-09-11 | 2018-09-11 | A kind of volatile standard substance detection sampling device substituting headspace sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485401.0U CN208721622U (en) | 2018-09-11 | 2018-09-11 | A kind of volatile standard substance detection sampling device substituting headspace sampling |
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| Publication Number | Publication Date |
|---|---|
| CN208721622U true CN208721622U (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821485401.0U Active CN208721622U (en) | 2018-09-11 | 2018-09-11 | A kind of volatile standard substance detection sampling device substituting headspace sampling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095324A (en) * | 2019-04-20 | 2019-08-06 | 上海华谊检验检测技术有限公司 | A kind of sampler that distribution performance is examined |
-
2018
- 2018-09-11 CN CN201821485401.0U patent/CN208721622U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095324A (en) * | 2019-04-20 | 2019-08-06 | 上海华谊检验检测技术有限公司 | A kind of sampler that distribution performance is examined |
| CN110095324B (en) * | 2019-04-20 | 2021-08-20 | 上海华谊检验检测技术有限公司 | Sampling device for emission performance test |
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