CN209624503U - A kind of gas chromatograph gas sample introduction apparatus - Google Patents
A kind of gas chromatograph gas sample introduction apparatus Download PDFInfo
- Publication number
- CN209624503U CN209624503U CN201920359150.XU CN201920359150U CN209624503U CN 209624503 U CN209624503 U CN 209624503U CN 201920359150 U CN201920359150 U CN 201920359150U CN 209624503 U CN209624503 U CN 209624503U
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- CN
- China
- Prior art keywords
- gas chromatograph
- equipment body
- motor
- sample introduction
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of gas chromatograph gas sample introduction apparatus, including motor, sampling pipe, control valve, pump bowl, transmission shaft, sleeve, piston plate and threaded block, pump bowl is mounted on equipment body inside left, motor is assemblied on the downside of equipment body left side, motor right side is connected with transmission shaft, piston plate is installed inside pump bowl, piston plate left side is equipped with sleeve, transmission shaft right side is equipped with threaded block, transmission shaft is rotatablely connected by threaded block and sleeve, sampling pipe is mounted on equipment body upper inside, sampling is equipped with control valve on the right side of pipe upper surface, the design solves the problems, such as that original gas chromatograph gas is inconvenient to sample, the utility model is structurally reasonable, facilitate sampling, it is convenient to sample, it is easy to operate.
Description
Technical field
The utility model is a kind of gas chromatograph gas sample introduction apparatus, belongs to gas chromatograph techniques field.
Background technique
Gas chromatograph be using chromatographic separation technology and detection technique, to multi-component complex mixture carry out it is qualitative and
The instrument of quantitative analysis.It is generally used for the organic matter of analysis Heat in Soil stabilization and boiling point no more than 500 °C, as volatility has
Machine object, organochlorine, organic phosphorus, polycyclic aromatic hydrocarbon, phthalate ester etc..
Existing gas chromatograph gas is inconvenient to sample, and gas chromatograph is when carrying out gas sample, due to gas
Particularity, acquisition difficulty is larger, nor facilitates the gas of acquisition multiple regions, is badly in need of a kind of gas chromatograph gas now
Sampling device solves 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 gas sampling dress
It sets, to solve the problems mentioned in the above background technology, the utility model is structurally reasonable, facilitates sampling, and it is convenient to sample, operation letter
It is single.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of gas chromatograph
Gas sample injection device, including supporting leg, equipment body, sampling mechanism and connecting tube, the supporting leg are mounted on equipment body
Lower end surface, the sampling mechanism are arranged inside equipment body, are connected with connecting tube on the downside of the equipment body right side, described
Sampling mechanism includes motor, sampling pipe, control valve, pump bowl, transmission shaft, sleeve, piston plate and threaded block, the pump bowl
It is mounted on equipment body inside left, the motor is assemblied on the downside of equipment body left side, and the motor right side is connected with
Transmission shaft is equipped with piston plate inside the pump bowl, and the piston plate left side is equipped with sleeve, the transmission shaft right side
Threaded block is installed, the transmission shaft is rotatablely connected by threaded block and sleeve, and the sampling pipe is mounted on inside equipment body
Upside, the sampling pipe upper surface right side are equipped with control valve.
Further, the connecting tube lower end surface is equipped with sealing flange, and the connecting tube passes through sealing flange and the external world
Gas chromatograph is connected.
Further, it is fixed with mounting plate on the downside of the equipment body left side, the motor is assemblied in mounting plate upper end
Face.
Further, the equipment body inside left offers through-hole, and through-hole aperture is greater than transmission shaft diameter.
Further, the threaded block is cylindric, and the threaded block matches with sleeve.
Further, the upper end of connecting tube right side of face is equipped with check valve.
Further, the motor is Double-directional rotary motor.
The utility model has the beneficial effects that a kind of gas chromatograph gas sample introduction apparatus of the utility model, because this is practical
Novel motor, sampling pipe, control valve, pump bowl, transmission shaft, sleeve, piston plate and threaded block, design of being added to facilitates
The sampling of gas chromatograph solves the problems, such as that original gas chromatograph gas is inconvenient to sample, improves the utility model
Sample convenience.
Because connecting tube lower end surface is equipped with sealing flange, connecting tube is connected by sealing flange with extraneous gas chromatograph
It connects, which increases the leakproofness of connection, and because being fixed with mounting plate on the downside of equipment body left side, motor is assemblied in mounting plate
Upper surface, the mounting plate for the motor which facilitates, because equipment body inside left offers through-hole, and through-hole aperture is greater than
It is driven shaft diameter, which facilitates the operating of transmission shaft, and because upper end of connecting tube right side of face is equipped with check valve, which avoids taking
The reflux of sample gas, because motor is Double-directional rotary motor, which facilitates motor to drive piston plate bilateral reciprocation, this is practical
New structure is reasonable, facilitates sampling, and it is convenient to sample, easy to operate.
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 gas sample introduction apparatus of the utility model；
Fig. 2 is the sectional view of sampling mechanism in a kind of gas chromatograph gas sample introduction apparatus of the utility model；
Fig. 3 is the enlarged drawing of A in a kind of gas chromatograph gas sample introduction apparatus Fig. 2 of the utility model；
In figure: 1- supporting leg, 2- equipment body, 3- sampling mechanism, 4- connecting tube, 31- motor, 32- sampling pipe, 33- control
Valve processed, 34- pump bowl, 35- transmission shaft, 36- sleeve, 37- piston plate, 38- threaded block.
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 gas sample introduction apparatus,
Including supporting leg 1, equipment body 2, sampling mechanism 3 and connecting tube 4, supporting leg 1 is mounted on 2 lower end surface of equipment body, sampling
Mechanism 3 is arranged inside equipment body 2, is connected with connecting tube 4 on the downside of 2 right side of equipment body.
Sampling mechanism 3 includes motor 31, sampling pipe 32, control valve 33, pump bowl 34, transmission shaft 35, sleeve 36, piston plate
37 and threaded block 38, pump bowl 34 be mounted on 2 inside left of equipment body, motor 31 is assemblied under 2 left side of equipment body
Side, 31 right side of motor are connected with transmission shaft 35, and piston plate 37 is equipped with inside pump bowl 34, and 37 left side of piston plate is equipped with
Sleeve 36,35 right side of transmission shaft are equipped with threaded block 38, and transmission shaft 35 is rotatablely connected by threaded block 38 and sleeve 36, sampling
Pipe 32 is mounted on 2 upper inside of equipment body, and sampling is equipped with control valve 33 on the right side of 32 upper surface of pipe, which solves original
Gas chromatograph gas is inconvenient to the problem of sampling.
4 lower end surface of connecting tube is equipped with sealing flange, and connecting tube 4 is connected by sealing flange with extraneous gas chromatograph
It connects, which increases the leakproofness of connection, is fixed with mounting plate on the downside of 2 left side of equipment body, motor 31 is assemblied in installation
Plate upper surface, the mounting plate for the motor 31 which facilitates, 2 inside left of equipment body offer through-hole, and through-hole aperture
Greater than 35 diameter of transmission shaft, which facilitates the operating of transmission shaft 35, and threaded block 38 is cylindric, threaded block 38 and 36 phase of sleeve
Matching, facilitates threaded block 38 in 36 inner rotation of sleeve, and then make 37 bilateral reciprocation of piston plate, and 4 upper surface of connecting tube is right
Side is equipped with check valve, and check valve avoids the reflux of gas, and motor 31 is Double-directional rotary motor, by 31 Double-directional rotary of motor,
Facilitate the bilateral reciprocation of piston plate 37.
One embodiment as the utility model: when gas chromatograph is sampled, staff opens motor 31,
Motor 31 rotates forward, and motor 31 drives transmission shaft 35 to rotate, because transmission shaft 35 is matched by threaded block 38 with sleeve 36, into
And 37 right-to-left of piston plate is rotated, ambient atmos enter pump bowl 34 by sampling pipe 32, are then shut off control valve 33, open
Open check valve, and be tightly connected by connecting tube 4 and extraneous gas chromatograph, motor 31 rotates backward, at this time piston plate 37 from
Left-hand moves right, and the gas sampled in pump bowl 34 enters in gas chromatograph, to facilitate the sampling of gas chromatograph.
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 (7)
1. a kind of gas chromatograph gas sample introduction apparatus, including supporting leg, equipment body, sampling mechanism and connecting tube, special
Sign is: the supporting leg is mounted on equipment body lower end surface, and the sampling mechanism is arranged inside equipment body, the equipment
Connecting tube is connected on the downside of main body right side；
The sampling mechanism includes motor, sampling pipe, control valve, pump bowl, transmission shaft, sleeve, piston plate and threaded block, institute
It states pump bowl and is mounted on equipment body inside left, the motor is assemblied on the downside of equipment body left side, the motor right end
Face is connected with transmission shaft, and piston plate is equipped with inside the pump bowl, and the piston plate left side is equipped with sleeve, the transmission
Axis right side is equipped with threaded block, and the transmission shaft is rotatablely connected by threaded block and sleeve, and the sampling pipe is mounted on equipment
On the upside of body interior, control valve is installed on the right side of the sampling pipe upper surface.
2. a kind of gas chromatograph gas sample introduction apparatus according to claim 1, it is characterised in that: the connecting tube lower end
Face is equipped with sealing flange, and the connecting tube is connected by sealing flange with extraneous gas chromatograph.
3. a kind of gas chromatograph gas sample introduction apparatus according to claim 1, it is characterised in that: the equipment body is left
It is fixed with mounting plate on the downside of end face, the motor is assemblied in mounting plate upper surface.
4. a kind of gas chromatograph gas sample introduction apparatus according to claim 1, it is characterised in that: in the equipment body
Through-hole is offered on the left of portion, and through-hole aperture is greater than transmission shaft diameter.
5. a kind of gas chromatograph gas sample introduction apparatus according to claim 1, it is characterised in that: the threaded block is circle
Column, the threaded block match with sleeve.
6. a kind of gas chromatograph gas sample introduction apparatus according to claim 1, it is characterised in that: the upper end of connecting tube
Right side of face is equipped with check valve.
7. a kind of gas chromatograph gas sample introduction apparatus according to claim 1, it is characterised in that: the motor is two-way
Rotary electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359150.XU CN209624503U (en) | 2019-03-21 | 2019-03-21 | A kind of gas chromatograph gas sample introduction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359150.XU CN209624503U (en) | 2019-03-21 | 2019-03-21 | A kind of gas chromatograph gas sample introduction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209624503U true CN209624503U (en) | 2019-11-12 |
Family
ID=68457349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920359150.XU Expired - Fee Related CN209624503U (en) | 2019-03-21 | 2019-03-21 | A kind of gas chromatograph gas sample introduction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209624503U (en) |
-
2019
- 2019-03-21 CN CN201920359150.XU patent/CN209624503U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20200321 |