CN209372773U - A kind of gas-chromatograph automatic sample injector - Google Patents
A kind of gas-chromatograph automatic sample injector Download PDFInfo
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- CN209372773U CN209372773U CN201821916029.4U CN201821916029U CN209372773U CN 209372773 U CN209372773 U CN 209372773U CN 201821916029 U CN201821916029 U CN 201821916029U CN 209372773 U CN209372773 U CN 209372773U
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Abstract
The utility model provides a kind of gas-chromatograph automatic sample injector, including sampling tubule, check valve, piston cylinder, fixed batten, concave plate, gear shaft, partial gear, rack-plate and piston, piston is mounted on inside piston cylinder, piston upper surface medium position stationary rack plate, rack-plate upper end passes through fixed batten, and it extends on the upside of fixed batten, fixed batten is fixed on piston cylinder upper surface medium position, concave plate left end is fixed on fixed batten upper surface, concave plate right side is fixed on supporting plate left side, and concave intralamellar part left side fits with rack-plate left side, concave intralamellar part on the right side of rack-plate installs gear shaft, partial gear is sleeved on gear shaft annular side, piston cylinder lower end is installed by check valve, check valve lower end and sampling tubule, the input of sample in gas chromatograph is convenient in the design, the utility model Structure novel, convenient for operation, sample input effect is good.
Description
Technical field
The utility model is a kind of gas-chromatograph automatic sample injector, belongs to testing equipment field.
Background technique
Gas-chromatography (gas chromatography abbreviation GC) is the great section occurred nineteen fifties
Learn technological contribution.This be it is a kind of new separate, analyze technology, it is all obtained in industry, agricultural, national defence, construction, scientific research
It is widely applied.Gas-chromatography can be divided into gas-solid chromatograph and gas-liquid chromatography, and in the prior art, gas chromatographic sample introduction operation is usually logical
The input that staff carries out sample manually is crossed, sample introduction is inconvenient, and low efficiency, automaticity is poor, so needing a kind of gas phase color
Autosampler is composed to solve the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of gas-chromatograph automatic sample injector, with
The problems mentioned above in the background art are solved, the utility model structure novel, convenient for operation, sample input effect is good.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of gas-chromatography from
Dynamic sample injector, including support, supporting plate and sampling assemble, the supporting plate are fixed on support upper surface right station, the sampling
Component is mounted on supporting plate left end, the sampling assemble include moving tube, spring one, baffle ring, sampling tubule, check valve, piston cylinder,
Fixed batten, concave plate, gear shaft, partial gear, rack-plate, spring two, sample feeding pipe and piston, the supporting plate left side
Fixed support plate, the piston cylinder are fixed on support plate upper surface, and the piston is mounted on inside piston cylinder, in the piston upper surface
Portion position stationary rack plate, the rack-plate upper end passes through fixed batten, and extends on the upside of fixed batten, and the rack-plate is left
Spring two is welded in the piston upper surface on side and right side, and two upper end of spring is welded on fixed batten lower end surface, described solid
Determine batten and be fixed on piston cylinder upper surface medium position, concave plate left end is fixed on fixed batten upper surface, the concave
Plate right side is fixed on supporting plate left side, and concave intralamellar part left side fits with rack-plate left side, and the rack-plate is right
The concave intralamellar part of side installs gear shaft, and the partial gear is sleeved on gear shaft annular side, and partial gear passes through
The gear teeth are meshed with rack-plate, and the piston cylinder annular side right end lower position installs sample feeding pipe, and sample feeding pipe right end passes through
Supporting plate, and extend on the right side of supporting plate, check valve, the check valve lower end and sampling tubule are installed in the piston cylinder lower end, described
Moving tube is sleeved on sampling tubule annular side lower end, and spring one is welded in the moving tube upper surface, and one upper end of spring is welded
In baffle ring annular side, the baffle ring is fixed on sampling tubule annular side.
Further, the support is in concave character type structure, and the support upper surface processes circular hole, installation inside the circular hole
Shaft, the shaft upper end pass through turntable, and extend on the upside of turntable, the turntable upper surface processed sample slot.
Further, two pieces equidistantly are fixed with upper spacer inside the sample cell, and two pieces are in arc with upper spacer upper end
Shape structure.
Further, motor one is installed inside the support, one upper end of motor is connected with shaft lower end.
Further, the moving tube lower end is in sphere structure, and outer surface of spheroid is smooth.
Further, motor two, and motor two are installed in the fixed arc panel of the concave plate rear end face, the arc panel inside
Front end is connected with gear shaft.
The utility model has the beneficial effects that a kind of gas-chromatograph automatic sample injector of the utility model, because of the utility model
It is added to moving tube, spring one, baffle ring, sampling tubule, check valve, piston cylinder, fixed batten, concave plate, gear shaft, not exclusively
Gear, rack-plate, spring two, sample feeding pipe and piston drive rack-plate mobile by partial gear in use,
To be moved inside piston cylinder with piston, so that the sample inside sample cell is sucked into piston under the action of pressure difference
Cylinder is internal, and when partial gear is separated with rack-plate, and piston moves down under the elastic force effect of spring, will be in piston cylinder
Sample squeeze into sample feeding pipe, so that sample flows in gas phase color instrument along sample feeding pipe, which is convenient for gas chromatograph
The input of middle sample, and high degree of automation solve gas chromatographic sample introduction operation in the prior art and usually pass through staff
The input of sample is carried out manually, and sample introduction is inconvenient, low efficiency, and the problem of automaticity difference, the utility model structure novel is convenient for
Operation, sample input effect are good.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of gas-chromatograph automatic sample injector of the utility model；
Fig. 2 is a kind of left view partial structural diagram of gas-chromatograph automatic sample injector of the utility model；
Fig. 3 is a kind of structural schematic diagram of gas-chromatograph automatic sample injector turntable of the utility model；
In figure: 1- support, 2- shaft, 3- turntable, 4- sample cell, 5- moving tube, 6- spring one, 7- baffle ring, 8- sampling are thin
Pipe, 9- check valve, 10- piston cylinder, 11- fixed batten, 12- concave plate, 13- gear shaft, 14- partial gear, 15- rack gear
Plate, 16- spring two, 17- sample feeding pipe, 18- piston, 19- supporting plate.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1-Fig. 3 is please referred to, the utility model provides a kind of technical solution: a kind of gas-chromatograph automatic sample injector, including
Support 1, supporting plate 19 and sampling assemble, supporting plate 19 are fixed on 1 upper surface right station of support, and sampling assemble is mounted on supporting plate 19
Left end, sampling assemble include moving tube 5, spring 1, baffle ring 7, sampling tubule 8, check valve 9, piston cylinder 10, fixed batten 11,
Concave plate 12, gear shaft 13, partial gear 14, rack-plate 15, spring 2 16, sample feeding pipe 17 and piston 18, supporting plate 19 are left
Support plate is fixed in end face, and piston cylinder 10 is fixed on support plate upper surface, and piston 18 is mounted on inside piston cylinder 10, in 18 upper surface of piston
Portion position stationary rack plate 15,15 upper end of rack-plate pass through fixed batten 11, and extend to fixed 11 upside of batten, rack-plate 15
Spring 2 16 is welded in 18 upper surface of piston on left side and right side, and one 16 upper end of spring is welded on fixed 11 lower end surface of batten,
Fixed batten 11 is fixed on 10 upper surface medium position of piston cylinder, and 12 left end of concave plate is fixed on fixed 11 upper surface of batten, recessed
12 right side of template is fixed on 19 left side of supporting plate, and 12 inside left face of concave plate fits with 15 left side of rack-plate, tooth
Gear shaft 13 is installed inside the concave plate 12 on 15 right side of batten, partial gear 14 is sleeved on 13 annular side of gear shaft, and not
Complete gear 14 is meshed by the gear teeth with rack-plate 15, and 10 annular side right end lower position of piston cylinder installs sample feeding pipe 17,
And 17 right end of sample feeding pipe passes through supporting plate 19, and extends to 19 right side of supporting plate, 10 lower end of piston cylinder installation check valve 9, under check valve 9
End and sampling tubule 8, moving tube 5 are sleeved on sampling 8 annular side lower end of tubule, and spring 1 is welded in 5 upper surface of moving tube, and
One 6 upper end of spring is welded on 7 annular side of baffle ring, and baffle ring 7 is fixed on sampling 8 annular side of tubule, before use, staff makes
Sample feeding pipe 17 is connected with the injection port of gas chromatograph, in use, is in contact when moving tube 5 is moved to partition
When, moving tube 5 moves up under the thrust of partition along sampling tubule 8, and moving tube 5 is mobile to generate pressure to spring 1
Contracting power is shunk spring 1, is extended to inside sample cell 4 so that moving tube 5 be made to cross partition in 3 rotary course of turntable, and
It is contacted with sample, then staff makes motor two be connected by electric wire with external power supply, two work belt movable gear shaft of motor
13 rotations, the rotation of gear shaft 13 drives the rotation of partial gear 14, so that rack-plate 15 be driven to move up, rack-plate 15 is moved
Dynamic band piston 18 is mobile, and the mobile simultaneously compressed spring 2 16 of piston 18 then makes in negative pressure inside piston cylinder 10, then sample exists
It is flowed to inside 18 pipe of piston under suction function by sampling tubule 8 and check valve 9, when partial gear 14 and rack-plate 15 divide
From when, spring 2 16 restore deformation elastic force effect under, piston 18 moves down, and squeezes sample, makes sample along sample introduction
Pipe 17 flows in gas chromatograph, and sample will not be back in sampling tubule 8 under the action of check valve 9, repeats to grasp with this
Make carry out sample introduction, which is convenient for the sample introduction of gas-chromatography, high degree of automation.
Support 1 is in concave character type structure, and 1 upper surface of support processes circular hole, installs shaft 2 inside circular hole, 2 upper end of shaft passes through
Turntable 3, and 3 upside of turntable is extended to, 3 upper surface processed sample slot 4 of turntable, in use, staff divide sample
It is not poured into inside the sample cell 4 between partition, motor one is then made to be connected by electric wire with external power supply, motor one works
Turntable 3 is driven to rotate, the rotation band dynamic dividing plate of turntable 3 rotates, and then realizes different sample rotatess to 5 lower end of moving tube, is convenient for
The successively replacement of sample.
The inside of sample cell 4 fixes two pieces equidistantly with upper spacer, and two pieces with the arc-shaped structure in upper spacer upper end, realizes
Separation inside sample cell 4, convenient for being held to multiple samples.
Motor one is installed, one upper end of motor is connected with 2 lower end of shaft, convenient for the rotation of turntable 3 inside support 1.
5 lower end of moving tube is in sphere structure, and outer surface of spheroid is smooth, reduces and is subject in 5 moving process of moving tube
Frictional force.
12 rear end face of concave plate fixes arc panel, and motor two, and two front end of motor and gear shaft 13 are installed inside arc panel
It is connected, convenient for the rotation of partial gear 14.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of gas-chromatograph automatic sample injector, including support (1), supporting plate (19) and sampling assemble, it is characterised in that: described
Supporting plate (19) is fixed on support (1) upper surface right station, and the sampling assemble is mounted on supporting plate (19) left end, the sampling group
Part includes moving tube (5), spring one (6), baffle ring (7), sampling tubule (8), check valve (9), piston cylinder (10), fixed batten
(11), concave plate (12), gear shaft (13), partial gear (14), rack-plate (15), spring two (16), sample feeding pipe (17) with
And piston (18), the fixed support plate in supporting plate (19) left side, the piston cylinder (10) are fixed on support plate upper surface, the piston
(18) it is internal to be mounted on piston cylinder (10), piston (18) the upper surface medium position stationary rack plate (15), the rack-plate
(15) upper end passes through fixed batten (11), and extends on the upside of fixed batten (11), on the left of the rack-plate (15) and right side
Piston (18) upper surface weld spring two (16), spring one (6) upper end is welded on fixed batten (11) lower end surface, institute
It states fixed batten (11) and is fixed on piston cylinder (10) upper surface medium position, concave plate (12) left end is fixed on fixed batten
(11) upper surface, concave plate (12) right side are fixed on supporting plate (19) left side, and concave plate (12) inside left face with
Rack-plate (15) left side fits, and installs gear shaft (13) inside the concave plate (12) on the right side of the rack-plate (15), described
Partial gear (14) is sleeved on gear shaft (13) annular side, and partial gear (14) passes through the gear teeth and rack-plate (15) phase
Engagement, piston cylinder (10) the annular side right end lower position install sample feeding pipe (17), and sample feeding pipe (17) right end passes through branch
Plate (19), and extend on the right side of supporting plate (19), check valve (9) are installed in piston cylinder (10) lower end, check valve (9) lower end
With sampling tubule (8), the moving tube (5) is sleeved on sampling tubule (8) annular side lower end, moving tube (5) upper surface
It welds spring one (6), and spring one (6) upper end is welded on baffle ring (7) annular side, the baffle ring (7) is fixed on sampling tubule
(8) annular side.
2. a kind of gas-chromatograph automatic sample injector according to claim 1, it is characterised in that: the support (1) is in character cut in bas-relief
Type structure, support (1) upper surface process circular hole, install shaft (2) inside the circular hole, shaft (2) upper end passes through
Turntable (3), and extend on the upside of turntable (3), turntable (3) the upper surface processed sample slot (4).
3. a kind of gas-chromatograph automatic sample injector according to claim 2, it is characterised in that: the sample cell (4) is internal
Fix two pieces equidistantly with upper spacer, and two pieces with the arc-shaped structure in upper spacer upper end.
4. a kind of gas-chromatograph automatic sample injector according to claim 2, it is characterised in that: peace inside the support (1)
Motor one is filled, one upper end of motor is connected with shaft (2) lower end.
5. a kind of gas-chromatograph automatic sample injector according to claim 1, it is characterised in that: moving tube (5) lower end
In sphere structure, and outer surface of spheroid is smooth.
6. a kind of gas-chromatograph automatic sample injector according to claim 1, it is characterised in that: concave plate (12) rear end
Arc panel is fixed in face, installs motor two inside the arc panel, and two front end of motor is connected with gear shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916029.4U CN209372773U (en) | 2018-11-20 | 2018-11-20 | A kind of gas-chromatograph automatic sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916029.4U CN209372773U (en) | 2018-11-20 | 2018-11-20 | A kind of gas-chromatograph automatic sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372773U true CN209372773U (en) | 2019-09-10 |
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ID=67837204
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821916029.4U Active CN209372773U (en) | 2018-11-20 | 2018-11-20 | A kind of gas-chromatograph automatic sample injector |
Country Status (1)
| Country | Link |
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| CN (1) | CN209372773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862140A (en) * | 2021-09-27 | 2021-12-31 | 广东省科学院健康医学研究所 | Portable liquid drop digital PCR device |
-
2018
- 2018-11-20 CN CN201821916029.4U patent/CN209372773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862140A (en) * | 2021-09-27 | 2021-12-31 | 广东省科学院健康医学研究所 | Portable liquid drop digital PCR device |
| CN113862140B (en) * | 2021-09-27 | 2024-04-09 | 广东省科学院健康医学研究所 | Portable liquid drop digital PCR device |
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