CN208350729U - A kind of sampling device of gas chromatograph - Google Patents
A kind of sampling device of gas chromatograph Download PDFInfo
- Publication number
- CN208350729U CN208350729U CN201821033042.5U CN201821033042U CN208350729U CN 208350729 U CN208350729 U CN 208350729U CN 201821033042 U CN201821033042 U CN 201821033042U CN 208350729 U CN208350729 U CN 208350729U
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- gas chromatograph
- limit plate
- sliding block
- fixed
- clamping device
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Abstract
The utility model discloses a kind of sampling devices of gas chromatograph, including sucker, first clamping device, second clamping device, non-slip mat and fixed plate, it is used to fixed plate fixation being adsorbed on gas chromatograph cabinet side by setting sucker, to be furthermore achieved to sample injector main body one side position of gas chromatograph cabinet fixation, it is easy to operate, improve stability when sample introduction, the purpose squeezed gas chromatograph cabinet two sides is realized by the first clamping device of setting and the second clamping device, to which the fixation of fixed plate position on gas chromatograph cabinet be furthermore achieved, improve the practicability of equipment, it is used to increase the frictional force between pressing plate side and gas chromatograph cabinet by setting non-slip mat, to improve fixed plate fixed effect in position on gas chromatograph cabinet, to further Improve the sample injector main body effect fixed in one side position of gas chromatograph cabinet.
Description
Technical field
The utility model relates to a kind of sampling device, the sampling device of specifically a kind of gas chromatograph.
Background technique
Gas chromatograph petroleum, chemical industry, biochemistry, medical and health, food industry, in terms of be widely used,
Qualitative and quantitative analysis can be carried out to gas.In gas chromatographic analysis, sample introduction be quantitative analysis error main source it
One.The principle of input mode and sampling system, structure, using material, sample introduction when temperature, sample volume, sample introduction speed, sample introduction use
Tool etc. all can repeatability to the quantitative and qualitative of gas chromatographic analysis and accuracy have a direct impact；
Connection type between the sampling device and gas chromatograph of existing gas chromatograph is more single and fixed
It is complicated for operation, while the effect that the sampling device of existing gas chromatograph position on gas chromatograph is fixed is poor, from
And stability when being difficult to ensure sample introduction.
Utility model content
The purpose of this utility model is to provide a kind of sampling devices of gas chromatograph, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of sampling device of gas chromatograph, including push rod, fixing sleeve, sample injector main body, needle tubing and fixed device,
The sample injector main body outer sheath is equipped with fixing sleeve, and sample injector main body top is provided with push rod, the fixed peace in the bottom end of push rod
The other end of one end equipped with needle tubing, needle tubing runs through sample injector main body, and the fixing sleeve side is provided with fixed device, described solid
Determining device includes the first clamping device, connecting rod, the second clamping device, sucker and fixed plate, and one end of the connecting rod is fixed
It is mounted on the outside of fixing sleeve, the other end of connecting rod is fixedly mounted on the side of fixed plate, and the fixed plate and connecting rod connect
The side that the connects and positional symmetry for being located at connecting rod two sides is provided with the first clamping device and the second clamping device, the fixed plate
The side not connecting with connecting rod is fixedly installed with multiple suckers, first clamping device include cross bar, the first return spring,
Sliding block, the first limit plate, the second return spring, guide rod, the second limit plate and pressing plate, first limit plate and the second limit
Plate is fixedly mounted on the side that fixed plate is connect with connecting rod, is provided with and leads between first limit plate and the second limit plate
To bar, the both ends of the guide rod are respectively and fixedly installed on the inside of the first limit plate and on the inside of the second limit plate, first limit
Position between position plate and the second limit plate is provided with sliding block, and the guide rod extends transversely through sliding block, offers on the sliding block
For the through-hole that guide rod passes through, sliding block side is fixedly installed with one end of cross bar, the fixed peace of the other end of the cross bar
One end equipped with L-type support, the other end of L-type support are fixedly mounted on the side of pressing plate, the sliding block connect with cross bar one
The first return spring is provided between side and the second limit plate, first return spring is set on the outside of guide rod and both ends point
Be not fixedly connected on the inside of side that sliding block is connect with cross bar and the second limit plate, the sliding block other side and the first limit plate it
Between be provided with the second return spring, second return spring is set on the outside of guide rod and both ends are respectively fixedly connected in sliding block
On the inside of side and the first limit plate.
As a further solution of the present invention: it is opening design that the fixing sleeve, which is cylindrical and top, it is described solid
Surely set internal diameter is identical as sample injector body outer diameter.
The fixing sleeve bottom offers the through-hole stretched out for needle tubing as a further solution of the present invention,.
The side that the pressing plate is not connect with L-type support as a further solution of the present invention, is fixedly connected with
Non-slip mat, the non-slip mat are natural soft rubber material.
The structure phase of first clamping device and the second clamping device as a further solution of the present invention,
Together.
Compared with prior art, the utility model has the beneficial effects that being used for by setting sucker by the fixed suction of fixed plate
It is attached to gas chromatograph cabinet side, to be furthermore achieved to sample injector main body in one side position of gas chromatograph cabinet
It is fixed, it is easy to operate, stability when sample introduction is improved, is realized pair by the first clamping device of setting and the second clamping device
The purpose that gas chromatograph cabinet two sides are squeezed, so that fixed plate position on gas chromatograph cabinet be furthermore achieved
Fixation, the practicability of equipment is improved, by setting non-slip mat for increasing between pressing plate side and gas chromatograph cabinet
Frictional force, to improve the fixed effect in fixed plate position on gas chromatograph cabinet, thus further improve into
The sample device main body effect fixed in one side position of gas chromatograph cabinet, further improves the practicability of equipment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the sampling device of gas chromatograph.
Fig. 2 be a kind of gas chromatograph sampling device in fix the structural schematic diagram of device.
Fig. 3 is the structural schematic diagram of the first clamping device in a kind of sampling device of gas chromatograph.
It is as shown in the figure: push rod 1, fixing sleeve 2, sample injector main body 3, needle tubing 4, the first clamping device 5, fixed device 6, cross bar
7, the first return spring 8, sliding block 9, the first limit plate 10, connecting rod 11, the second clamping device 12, sucker 13, fixed plate 14,
Two return springs 15, guide rod 16, the second limit plate 17, non-slip mat 18, pressing plate 19, through-hole 20.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of sampling device of gas chromatograph, including push rod 1,
Fixing sleeve 2, sample injector main body 3, needle tubing 4, fixed device 6 and through-hole 20,3 outer sheath of sample injector main body are equipped with fixing sleeve 2,
The fixing sleeve 2 is that cylindrical and top is opening design, and 2 internal diameter of fixing sleeve is identical as 3 outer diameter of sample injector main body, described
3 top of sample injector main body is provided with push rod 1, and the bottom end of push rod 1 is fixedly installed with one end of needle tubing 4, and the other end of needle tubing 4 runs through
Sample injector main body 3,2 bottom of fixing sleeve offer the through-hole 20 stretched out for needle tubing 4, and 2 side of fixing sleeve is provided with
Fixed device 6, the fixed device 6 include the first clamping device 5, connecting rod 11, the second clamping device 12, sucker 13 and fix
One end of plate 14, the connecting rod 11 is fixedly mounted on the outside of fixing sleeve 2, and the other end of connecting rod 11 is fixedly mounted on fixation
The side of plate 14, the side that the fixed plate 14 is connect with connecting rod 11 and the positional symmetry positioned at 11 two sides of connecting rod are provided with
First clamping device 5 and the second clamping device 12, the side that the fixed plate 14 is not connect with connecting rod 11 are fixedly installed with more
A sucker 13 is used to the fixation of fixed plate 14 being adsorbed on gas chromatograph cabinet side by setting sucker 13, thus further
Realize to sample injector main body 3 one side position of gas chromatograph cabinet fixation, it is easy to operate, improve stabilization when sample introduction
Property；
First clamping device 5 includes cross bar 7, the first return spring 8, sliding block 9, the first limit plate 10, the second return
Spring 15, guide rod 16, the second limit plate 17, non-slip mat 18 and pressing plate 19, first limit plate 10 and the second limit plate 17
It is fixedly mounted on the side that fixed plate 14 is connect with connecting rod 11, is set between first limit plate 10 and the second limit plate 17
It is equipped with guide rod 16, the both ends of the guide rod 16 are respectively and fixedly installed in 10 inside of the first limit plate and the second limit plate 17
Side, the position between first limit plate 10 and the second limit plate 17 are provided with sliding block 9, and the guide rod 16 extends transversely through cunning
Block 9 offers the through-hole passed through for guide rod 16 on the sliding block 9, and 9 side of sliding block is fixedly installed with the one of cross bar 7
End, the other end of the cross bar 7 are fixedly installed with one end of L-type support, and the other end of L-type support is fixedly mounted on pressing plate 19
Side, the side that the pressing plate 19 is not connect with L-type support are fixedly connected with non-slip mat 18, and the non-slip mat 18 is natural soft rubber
Glue material matter, is provided with the first return spring 8 between the side that the sliding block 9 and cross bar 7 connect and the second limit plate 17, and described the
One return spring 8 is set in 16 outside of guide rod and both ends are respectively fixedly connected in the side that sliding block 9 is connect with cross bar 7 and second
The inside of limit plate 17, is provided with the second return spring 15 between 9 other side of sliding block and the first limit plate 10, and described second time
Position spring 15 is set in 16 outside of guide rod and both ends are respectively fixedly connected in 10 inside of 9 side of sliding block and the first limit plate, institute
It is identical with the structure of the second clamping device 12 to state the first clamping device 5, when needing fixed plate 14 being fixed on gas chromatograph case
When on body, pull cross bar 7 mobile thus with movable slider 9 towards the movement of the direction of the second limit plate 17 and respectively to the second return spring
15 and first return spring 8 stretched and squeezed, thus the side for connecting pressing plate 19 with L-type support and gas phase
One side contacts of chromatograph cabinet unclamp cross bar 7 to make pressing plate 19 in 8 elastic force of the second return spring 15 and the first return spring
Gas chromatograph cabinet side is squeezed under effect, is realized by the first clamping device 5 of setting and the second clamping device 12
The purpose that gas chromatograph cabinet two sides are squeezed, so that fixed plate 14 be furthermore achieved in gas chromatograph cabinet
The fixation of upper position improves the practicability of equipment, by setting non-slip mat 18 for increasing by 19 side of pressing plate and gas-chromatography
Frictional force between instrument cabinet, so that the fixed effect in position on gas chromatograph cabinet of fixed plate 14 is improved, thus into
One step improves the effect fixed in one side position of gas chromatograph cabinet of sample injector main body 3, further improves the reality of equipment
The property used.
The working principle of the utility model is: being used to the fixation of fixed plate 14 being adsorbed on gas-chromatography by setting sucker 13
Instrument cabinet side, so that the fixation to sample injector main body 3 in one side position of gas chromatograph cabinet, operation letter be furthermore achieved
It is single, stability when sample introduction is improved, when needing for fixed plate 14 to be fixed on gas chromatograph cabinet, cross bar 7 is pulled to move
It moves thus with movable slider 9 towards the movement of the direction of the second limit plate 17 and respectively to the second return spring 15 and the first return spring 8
It is stretched and is squeezed, so that the side for connecting pressing plate 19 with L-type support is flanked with gas chromatograph cabinet one
Touching unclamps cross bar 7 to make pressing plate 19 under the action of the second return spring 15 and the first 8 elastic force of return spring to gas-chromatography
Instrument cabinet side is squeezed, and is realized by the first clamping device 5 of setting and the second clamping device 12 to gas chromatograph case
The purpose that body two sides are squeezed mentions so that the fixation of the position on gas chromatograph cabinet of fixed plate 14 be furthermore achieved
The high practicability of equipment, is used to increase the friction between 19 side of pressing plate and gas chromatograph cabinet by setting non-slip mat 18
Power, so that the fixed effect in position on gas chromatograph cabinet of fixed plate 14 is improved, to further improve sample injector
The effect fixed in one side position of gas chromatograph cabinet of main body 3, further improves the practicability of equipment.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of sampling device of gas chromatograph, including push rod (1), fixing sleeve (2), sample injector main body (3), needle tubing (4)
With fixed device (6), which is characterized in that sample injector main body (3) outer sheath is equipped with fixing sleeve (2), the sample injector main body
(3) top is provided with push rod (1), and the bottom end of push rod (1) is fixedly installed with one end of needle tubing (4), and the other end of needle tubing (4) runs through
Sample injector main body (3), fixing sleeve (2) side are provided with fixed device (6), and the fixed device (6) includes the first clamping
Device (5), connecting rod (11), the second clamping device (12), sucker (13) and fixed plate (14), one end of the connecting rod (11)
It is fixedly mounted on the outside of fixing sleeve (2), the other end of connecting rod (11) is fixedly mounted on the side of fixed plate (14), described solid
The side that fixed board (14) is connect with connecting rod (11) and the positional symmetry positioned at connecting rod (11) two sides are provided with the first clamping and fill
(5) and the second clamping device (12) are set, the side that the fixed plate (14) does not connect with connecting rod (11) is fixedly installed with multiple
Sucker (13), first clamping device (5) include cross bar (7), the first return spring (8), sliding block (9), the first limit plate
(10), the second return spring (15), guide rod (16), the second limit plate (17) and pressing plate (19), first limit plate (10)
The side that fixed plate (14) is connect with connecting rod (11), first limit plate are fixedly mounted on the second limit plate (17)
(10) it is provided between the second limit plate (17) guide rod (16), the both ends of the guide rod (16) are respectively and fixedly installed to
On the inside of one limit plate (10) and on the inside of the second limit plate (17), between first limit plate (10) and the second limit plate (17)
Position is provided with sliding block (9), and the guide rod (16) extends transversely through sliding block (9), is offered on the sliding block (9) for guide rod
(16) through-hole passed through, sliding block (9) side are fixedly installed with one end of cross bar (7), and the other end of the cross bar (7) is fixed
One end of L-type support is installed, the other end of L-type support is fixedly mounted on the side of pressing plate (19), the sliding block (9) and cross bar
(7) it is provided with the first return spring (8) between the side connected and the second limit plate (17), the first return spring (8) set
It is located on the outside of guide rod (16) and both ends is respectively fixedly connected in the side that sliding block (9) is connect with cross bar (7) and the second limit plate
(17) inside, is provided with the second return spring (15), described second between sliding block (9) other side and the first limit plate (10)
Return spring (15) is set on the outside of guide rod (16) and both ends are respectively fixedly connected in sliding block (9) side and the first limit plate
(10) inside.
2. a kind of sampling device of gas chromatograph according to claim 1, which is characterized in that the fixing sleeve (2)
It is opening design for cylindrical and top, fixing sleeve (2) internal diameter is identical as sample injector main body (3) outer diameter.
3. a kind of sampling device of gas chromatograph according to claim 1 or 2, which is characterized in that the fixing sleeve
(2) bottom offers the through-hole (20) stretched out for needle tubing (4).
4. a kind of sampling device of gas chromatograph according to claim 1, which is characterized in that the pressing plate (19) is no
The side connecting with L-type support is fixedly connected with non-slip mat (18), and the non-slip mat (18) is natural soft rubber material.
5. a kind of sampling device of gas chromatograph according to claim 1, which is characterized in that described first clamps dress
It is identical with the structure of the second clamping device (12) to set (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821033042.5U CN208350729U (en) | 2018-07-02 | 2018-07-02 | A kind of sampling device of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821033042.5U CN208350729U (en) | 2018-07-02 | 2018-07-02 | A kind of sampling device of gas chromatograph |
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| Publication Number | Publication Date |
|---|---|
| CN208350729U true CN208350729U (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821033042.5U Active CN208350729U (en) | 2018-07-02 | 2018-07-02 | A kind of sampling device of gas chromatograph |
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| Country | Link |
|---|---|
| CN (1) | CN208350729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289612A (en) * | 2020-03-04 | 2020-06-16 | 淮阴师范学院 | Ultrasonic detection device for concrete detection |
-
2018
- 2018-07-02 CN CN201821033042.5U patent/CN208350729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289612A (en) * | 2020-03-04 | 2020-06-16 | 淮阴师范学院 | Ultrasonic detection device for concrete detection |
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