CN215116074U - Gas chromatographic analyzer with filtering capability - Google Patents
Gas chromatographic analyzer with filtering capability Download PDFInfo
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- CN215116074U CN215116074U CN202121024016.8U CN202121024016U CN215116074U CN 215116074 U CN215116074 U CN 215116074U CN 202121024016 U CN202121024016 U CN 202121024016U CN 215116074 U CN215116074 U CN 215116074U
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- gas chromatograph
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Abstract
The utility model provides a gas chromatographic analyzer with filtering capability, which belongs to the field of gas chromatographic analyzers, and comprises a gas chromatographic analyzer body and a sample introduction mechanism, wherein the gas chromatographic analyzer body comprises a machine body and a sample introduction pipe, the sample introduction pipe is arranged at one side of the machine body, the sample introduction mechanism comprises a sample introduction cylinder, an air filter element, a push plate, a sample guide cylinder, an electric motor and an impeller, the electric motor is embedded at the inner wall of one end of the sample guide cylinder, the electric motor is arranged in the sample introduction port, the impeller is fixed at the output end of the electric motor, the impeller is arranged in the sample guide cylinder, the gas chromatographic analyzer with filtering capability can filter gas during sample introduction without influencing the detection result of impurities, and can completely suck the gas into the sample introduction cylinder and then press the gas into the chromatographic analyzer through a pressing plate, no gas sample remains in the channel.
Description
Technical Field
The application relates to the field of gas chromatographs, in particular to a gas chromatographic analyzer with a filtering function.
Background
The gas chromatograph is an instrument for qualitatively and quantitatively analyzing a multi-component complex mixture by using a chromatographic separation technology and a detection technology. The method can be used for analyzing heat-stable organic matters with the boiling point not more than five hundred degrees in soil, such as volatile organic matters, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbons, phthalate esters and the like.
Gas chromatograph need utilize the needle tubing to take out the sample when carrying out sample testing, utilizes the needle tubing to squeeze into the sample again from the introduction port, when carrying out gas detection, because gaseous sneak into impurity easily, if not filtering can cause the influence to the testing result, gaseous often remains in the pipeline content when letting in the chromatograph and leads to the unable complete access device of sample.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides a gas chromatography appearance with filtering capability has solved gaseous impurity of sneaking into easily and has influential to the testing result, and gaseous problem of remaining in the pipeline easily.
The utility model discloses a realize like this:
the utility model provides a gas chromatograph appearance with filtering capability, including gas chromatograph body and sampling mechanism.
The gas chromatograph body includes organism and advances appearance pipe, advance the appearance pipe and install organism one side.
The sample introduction mechanism comprises a sample introduction cylinder, an air filter element, a push plate, a sample introduction cylinder, an electric motor and an impeller, one end of the sample introduction cylinder is fixed at one end of the sample introduction pipe, the sample introduction cylinder is communicated with the sample introduction pipe, the air filter element is fixed at one end, close to the inner wall of the sample introduction cylinder, the push plate comprises a first plate body and a second plate body, the first plate body is connected with the inner wall of the sample introduction cylinder in a sliding manner, the second plate body penetrates through the surface of the first plate body in a sliding manner, the second plate body is attached to the inner wall of the sample introduction cylinder, a sample introduction port is formed in one side of the sample introduction cylinder, one end of the sample introduction cylinder is opened, one end of the sample introduction cylinder is fixed on the outer side surface of the sample introduction port, the electric motor is embedded in the inner wall of one end of the sample introduction cylinder, the electric motor is arranged in the sample introduction port, and the impeller is fixed at the output end of the electric motor, the impeller is arranged in the sample guide cylinder.
In the above-mentioned realization in-process, to advance the inserting of appearance section of thick bamboo one end and advance in the appearance pipe, the inflator one end that will have the sample is inserted and is led in the appearance section of thick bamboo, electric motor drives the impeller and inhales gas in the appearance section of thick bamboo, promote first plate body and second plate body and push down, the back is plugged up the introduction port to the second plate body, first plate body is with the air filter that impresses gas, it can detect to get into the organism behind the air filter after getting into in the appearance pipe, this a gas chromatography appearance with filtering capability can filter gas when advancing the appearance and do not have impurity influence testing result, and can inhale the appearance section of thick bamboo of advancing completely after in with gas and impress the chromatograph through the clamp plate, can not have the gas sample to remain in the passageway.
In a specific embodiment, a connecting sleeve is installed at one end of the sampling tube, a sealing ring is arranged on the inner wall of the connecting sleeve, and the sampling tube is sleeved on the outer side of the sampling tube through the connecting sleeve.
In the implementation process, the connecting sleeve and the sealing ring are used for butt joint of the sampling cylinder and the sampling pipe, so that the sampling cylinder is convenient to disassemble.
In a specific embodiment, a bracket is installed on one side of the machine body, and the sample feeding cylinder is inserted in the bracket in a sliding manner.
In the implementation process, the bracket supports the sample feeding cylinder.
In a specific embodiment, a clamping seat is installed on the inner wall of the sample feeding cylinder, and the air filter element is clamped in the clamping seat.
In the implementation process, the clamping seat is used for supporting the air filter element, so that the air filter element is convenient to mount and replace.
In a specific embodiment, a pull rod is fixed on the surface of the first plate body, and the pull rod penetrates through one end of the sample injection cylinder in a sliding manner.
In the implementation process, the pull rod is used for pulling the first plate body.
In a specific embodiment, first gaskets are mounted on both sides of the first plate body and one side of the second plate body.
In the implementation process, the first sealing gasket provides a first plate body and the sealing performance of the second plate body on the inner wall of the sample injection cylinder prevents gas leakage.
In a specific implementation scheme, one end of the second plate body is provided with an anti-falling block, and the second plate body is hung on the surface of the first plate body through the anti-falling block.
In the implementation process, the anti-falling block can prevent the second plate body from falling off in the first plate body.
In a specific embodiment, the second plate body has a width and a length that are both greater than the injection port width and length.
In the implementation process, when the first plate body is pressed downwards, the second plate body can completely seal the sample inlet, so that gas is prevented from running out of the sample inlet.
In a specific embodiment, the surface of one end of the sample guide cylinder, which is provided with the electric motor, is provided with a plurality of air holes.
In the implementation process, the air holes increase the space of the air sucked by the impeller and entering the sample inlet cylinder, and the speed of the air sucked by the impeller and passing through the inner gap of the electric motor is higher than that of the air sucked by the impeller and passing through the inner gap of the electric motor.
In a specific embodiment, the sample guide cylinder is provided with a second sealing gasket on the inner wall.
In the implementation process, the second sealing gasket is used for being connected with the sample inlet pipe and can adapt to the connection of the sample inlet pipes with different diameters, the pipeline with the larger caliber can be inserted into a shallow point, and the pipeline with the smaller caliber is inserted into a deep point.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a gas chromatograph with a filtering function according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a sample injection mechanism provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of one side of a sample guide cylinder according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a connecting sleeve provided in an embodiment of the present application.
In the figure: 100-gas chromatograph body; 110-body; 120-a sample inlet tube; 130-a scaffold; 200-a sample introduction mechanism; 210-a sample introduction cartridge; 211-sample inlet; 213-a cassette; 214-a connecting sleeve; 2141-sealing ring; 220-an air filter element; 230-push plate; 231-a first plate body; 2311-a pull rod; 232-a second plate body; 2321-anticreep piece; 233 — a first gasket; 240-sample guide cylinder; 241-air holes; 242 — a second gasket; 250-an electric motor; 260-impeller.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, the present invention provides a technical solution: a gas chromatograph with filtering capability includes a gas chromatograph body 100 and a sample injection mechanism 200, wherein the sample injection mechanism 200 is communicated with the gas chromatograph body 100.
Referring to fig. 1, a gas chromatograph body 100 includes a body 110 and a sample inlet tube 120, a bracket 130 is installed at one side of the body 110, a sample inlet cylinder 210 is slidably inserted into the bracket 130, and the sample inlet tube 120 is installed at one side of the body 110.
Referring to fig. 1, 2, 3 and 4, the sample feeding mechanism 200 includes a sample feeding cylinder 210, an air filter 220, a push plate 230, a sample guiding cylinder 240, an electric motor 250 and an impeller 260, one end of the sample feeding cylinder 210 is fixed at one end of the sample feeding tube 120, one end of the sample feeding cylinder 210 is provided with a connecting sleeve 214, an inner wall of the connecting sleeve 214 is provided with a sealing ring 2141, the sample feeding cylinder 210 is sleeved outside the sample feeding tube 120 through the connecting sleeve 214, the sample feeding cylinder 210 is communicated with the sample feeding tube 120, the air filter 220 is fixed at one end of the inner wall of the sample feeding cylinder 210 close to the sample feeding tube 120, an inner wall of the sample feeding cylinder 210 is provided with a clamping seat 213, the air filter 220 is clamped in the clamping seat 213, the push plate 230 includes a first plate 231 and a second plate 232, the first plate 231 is slidably connected to the inner wall of the sample feeding cylinder 210, a pull rod 2311 is fixed on a surface of the first plate 231, the pull rod 2311 is slidably penetrated through one end of the sample feeding cylinder 210, the second plate 232 is slidably penetrated on a surface of the first plate 231, the second plate 232 is attached to the inner wall of the sample feeding cylinder 210, first sealed 233 of packing is installed to first plate body 231 both sides and second plate body 232 one side, second plate body 232 one end is equipped with anticreep piece 2321, second plate body 232 hangs on first plate body 231 surface through anticreep piece 2321, second plate body 232 width and length all are greater than inlet 211 width and length, inlet 211 has been seted up to inlet 210 one side, lead appearance section of thick bamboo 240 one end and open, lead appearance section of thick bamboo 240 one end and fix on inlet 211 outside surface, electric motor 250 inlays at the one end inner wall of leading appearance section of thick bamboo 240, lead appearance section of thick bamboo 240 and install electric motor 250 one end surface and seted up a plurality of bleeder vents 241, lead the second sealed 242 of packing is installed to appearance section of thick bamboo 240 inner wall, electric motor 250 sets up in inlet 211, impeller 260 fixes at electric motor 250 output, impeller 260 sets up in leading appearance section of thick bamboo 240.
Specifically, the working principle of the gas chromatographic analyzer with the filtering function is as follows: during operation, the connection sleeve 214 at one end of the sample introduction cylinder 210 is inserted into the sample introduction tube 120, one end of the gas cylinder with a sample is inserted into the sample introduction cylinder 240, the electric motor 250 drives the impeller 260 to suck gas into the sample introduction cylinder 210, the pull rod 2311 is pushed to press the first plate 231 and the second plate 232 downwards, after the sample introduction port 211 is blocked by the second plate 232, the gas is pressed into the air filter element 220 by the first plate 231, and after passing through the air filter element 220, the gas enters the sample introduction tube 120 and then enters the machine body 110, so that detection can be performed.
It should be noted that the specific model specification of the gas chromatograph body 100 needs to be determined by type selection according to the actual specification of the apparatus, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the gas chromatograph body 100 and the principle thereof will be clear to those skilled in the art and will not be described in detail herein.
The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A gas chromatograph with filtering capability, characterized in that, includes
The gas chromatograph comprises a gas chromatograph body (100), wherein the gas chromatograph body (100) comprises a body (110) and a sample inlet pipe (120), and the sample inlet pipe (120) is installed on one side of the body (110);
sample introduction mechanism (200), sample introduction mechanism (200) includes a sample introduction tube (210), an air filter element (220), a push plate (230), a sample guide tube (240), an electric motor (250) and an impeller (260), sample introduction tube (210) one end is fixed at sample introduction tube (120) one end, sample introduction tube (210) and sample introduction tube (120) are communicated, air filter element (220) is fixed at the inner wall of sample introduction tube (210) is close to one end of sample introduction tube (120), push plate (230) includes a first plate body (231) and a second plate body (232), first plate body (231) is connected to the inner wall of sample introduction tube (210) in a sliding manner, second plate body (232) is penetrated through the surface of first plate body (231), second plate body (232) is jointed to the inner wall of sample introduction tube (210), sample introduction port (211) is opened on one side of sample introduction tube (210), lead a appearance section of thick bamboo (240) one end and open, lead appearance section of thick bamboo (240) one end and fix introduction port (211) outside surface, electric motor (250) inlay lead appearance section of thick bamboo (240) one end inner wall, electric motor (250) set up in introduction port (211), impeller (260) are fixed electric motor (250) output, impeller (260) set up lead in appearance section of thick bamboo (240).
2. The gas chromatographic analyzer with the filtering function as claimed in claim 1, wherein a connecting sleeve (214) is installed at one end of the sampling cylinder (210), a sealing ring (2141) is arranged on the inner wall of the connecting sleeve (214), and the sampling cylinder (210) is sleeved outside the sampling tube (120) through the connecting sleeve (214).
3. The gas chromatograph with filtering capability of claim 1, wherein a bracket (130) is installed on one side of the body (110), and the sample cylinder (210) is slidably inserted into the bracket (130).
4. The gas chromatograph with filtering capability of claim 1, wherein a clamping seat (213) is installed on the inner wall of the sample cylinder (210), and the air filter element (220) is clamped in the clamping seat (213).
5. The gas chromatograph with filtering capability of claim 1, wherein a pull rod (2311) is fixed on the surface of the first plate body (231), and the pull rod (2311) is slidably inserted through one end of the sample inlet cylinder (210).
6. A gas chromatograph with filtering function according to claim 1, characterized in that first gaskets (233) are mounted on both sides of said first plate body (231) and on one side of said second plate body (232).
7. The gas chromatograph with filtering capability of claim 1, wherein an anti-drop block (2321) is disposed at one end of the second plate body (232), and the second plate body (232) is hung on the surface of the first plate body (231) through the anti-drop block (2321).
8. The gas chromatograph with filtering capability of claim 1, wherein the second plate body (232) has a width and a length that are both greater than a width and a length of the sample inlet (211).
9. The gas chromatograph with filtering capability of claim 1, wherein the sample guide cylinder (240) has a plurality of air holes (241) formed on one end surface thereof where the electric motor (250) is installed.
10. The gas chromatograph with filtering capability of claim 1, wherein the second gasket (242) is mounted on the inner wall of the sample guide cylinder (240).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121024016.8U CN215116074U (en) | 2021-05-13 | 2021-05-13 | Gas chromatographic analyzer with filtering capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121024016.8U CN215116074U (en) | 2021-05-13 | 2021-05-13 | Gas chromatographic analyzer with filtering capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215116074U true CN215116074U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121024016.8U Expired - Fee Related CN215116074U (en) | 2021-05-13 | 2021-05-13 | Gas chromatographic analyzer with filtering capability |
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| Country | Link |
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| CN (1) | CN215116074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116087387A (en) * | 2023-04-07 | 2023-05-09 | 淄博市食品药品检验研究院 | Sample introduction device for gas chromatograph |
-
2021
- 2021-05-13 CN CN202121024016.8U patent/CN215116074U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116087387A (en) * | 2023-04-07 | 2023-05-09 | 淄博市食品药品检验研究院 | Sample introduction device for gas chromatograph |
| CN116087387B (en) * | 2023-04-07 | 2023-07-18 | 淄博市食品药品检验研究院 | Sample introduction device for gas chromatograph |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |