CN216013252U - Gas chromatograph for environmental detection convenient to fixed sample - Google Patents
Gas chromatograph for environmental detection convenient to fixed sample Download PDFInfo
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- CN216013252U CN216013252U CN202122052933.3U CN202122052933U CN216013252U CN 216013252 U CN216013252 U CN 216013252U CN 202122052933 U CN202122052933 U CN 202122052933U CN 216013252 U CN216013252 U CN 216013252U
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- gas chromatograph
- fixed
- injection port
- buffer spring
- mounting groove
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Abstract
The utility model discloses a gas chromatograph for environment detection, which is convenient for fixing a sample and comprises a gas chromatograph, wherein a buffer spring is arranged on the outer side of the gas chromatograph, a protection plate is arranged at one end of the buffer spring, an injection port is arranged at the upper part of the gas chromatograph, a fixing plate is arranged at the upper part of the gas chromatograph, close to the injection port, a mounting groove is arranged in the middle of the fixing plate, a through hole is arranged in the middle of the mounting groove, a connecting column is arranged at the lower end of the fixing plate, and a vacuum chuck is arranged at the lower end of the connecting column; the utility model relates to a gas chromatograph for environment detection, which is convenient for fixing a sample, wherein a sampling needle can be fixed through a fixing tube, so that the needle head is not easy to break, the sampling needle does not need to be held by hands, the needle head of the sampling needle directly slides down on the inner wall of a conical tube and is directly inserted into an injection port, manual alignment is not needed, the influence of impact generated by external impact on the gas chromatograph is effectively reduced, the gas chromatograph is not damaged, and the service life of the gas chromatograph is ensured.
Description
Technical Field
The utility model relates to the technical field of gas chromatographs, in particular to a gas chromatograph for environment detection, which is convenient for fixing a sample.
Background
The gas chromatograph is an instrument for qualitatively and quantitatively analyzing a multi-component complex mixture by utilizing a chromatographic separation technology and a detection technology, can be generally used for analyzing organic matters which are thermally stable in soil and have a boiling point of not more than 500 ℃, such as volatile organic matters, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbons, phthalate esters and the like, has great development in the gas chromatograph for environment detection along with the development of science and technology, and brings great convenience to people in environment detection.
The prior art has the following defects or problems:
1. when a gas chromatograph for environment detection in the prior art is used for operation experiments, because the needle head of the sampling needle is long and thin, and the caliber of the injection port is also small, when a worker operates the gas chromatograph, the sampling needle needs to be aligned and inserted into the injection port to inject a detected object into the gas chromatograph for detection, and no protective measures are taken during injection, so that the needle head of the sampling needle is easy to deflect and break, and the sampling needle needs to be held and fixed;
2. prior art for gas chromatograph for environmental detection generally is metal casing, and does not have the structure of crashproof buffering, when receiving external striking, inside detecting element can receive the impact, makes gas chromatograph impaired easily, reduces life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that when an operation experiment is carried out, a needle head of a sampling needle is long and thin, and the caliber of an injection opening is also small, so that a worker needs to accurately and insert the sampling needle into the injection opening to inject a detected object into a gas chromatograph for detection during operation, a protective measure is not provided during injection, the needle head of the sampling needle is prone to being inclined and broken, the sampling needle needs to be fixed in a handheld mode, the gas chromatograph is generally a metal shell and has no anti-collision buffer structure, when the gas chromatograph is impacted by external impact, an internal detection part can be impacted, the gas chromatograph is prone to being damaged, and the service life is shortened.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gas chromatograph for environment measuring convenient to fixed sample, includes gas chromatograph, the gas chromatograph outside is provided with buffer spring, buffer spring's one end is provided with the guard plate, gas chromatograph upper portion is provided with the filling opening, gas chromatograph upper portion is close to the filling opening and is provided with the fixed plate, the fixed plate middle part is provided with the mounting groove, the mounting groove middle part is provided with the through-hole, the fixed plate lower extreme is provided with the spliced pole, the spliced pole lower extreme is provided with vacuum chuck, fixed plate lower extreme middle part is provided with the toper pipe, be provided with fixed pipe in the mounting groove, fixed intraductal sampling needle that is provided with of pipe.
As a preferred technical scheme of the utility model: one end of the buffer spring is fixedly connected with the gas chromatograph through welding, and the other end of the buffer spring is fixedly connected with the protection plate through welding.
As a preferred technical scheme of the utility model: the mounting groove has been seted up to fixed plate middle part upper end, the through-hole has been seted up at the mounting groove middle part.
As a preferred technical scheme of the utility model: the connecting columns are fixed at the bottom of the fixing plate through welding, and the number of the connecting columns is four.
As a preferred technical scheme of the utility model: the vacuum chucks are fixedly connected with the connecting column through screws, and the number of the vacuum chucks is four.
As a preferred technical scheme of the utility model: the vacuum chuck is adsorbed on the upper part of the gas chromatograph, and the position of the conical tube corresponds to the position of the injection port.
As a preferred technical scheme of the utility model: the conical tube is fixed at the bottom terminal of the fixing plate through welding, and threaded connection exists between the fixing tube and the mounting groove.
Compared with the prior art, the gas chromatograph for environment detection, which is convenient for fixing a sample, provided by the utility model has the following beneficial effects:
1. the gas chromatograph for environment detection is convenient for fixing samples, and comprises a fixing plate, a vacuum chuck, a conical tube and a fixing tube, when in experimental operation, the fixing plate is fixed above the filling opening through the vacuum chuck, the lower end of the conical tube is aligned with the filling opening, then the fixing tube is screwed and fixed in the mounting groove, when the object to be detected needs to be injected, the sampling needle is directly placed into the fixing tube, the needle head penetrates through the through hole, the needle head of the sampling needle can directly slide down on the inner wall of the conical tube and is inserted into the injection port, finally, the sampling needle is directly pressed to inject the object to be detected into the gas chromatograph through the injection port for detection, the sampling needle can be fixed through the fixing tube, the sampling needle does not need to be held by hands, the sampling needle is more stable, the needle head is not easy to break, the needle head can be directly aligned through the conical tube and inserted into the injection port, and manual alignment is not needed;
2. this gas chromatograph is used in environment measuring convenient to fixed sample, through setting up, guard plate, buffer spring, when gas chromatograph receives external striking, the guard plate can at first receive the impact, later can effectively reduce the impact that the striking produced through buffer spring, and the part in the protection gas chromatograph does not receive the impact influence, makes gas chromatograph can not be impaired, ensures gas chromatograph's life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the injection port of the present invention;
FIG. 3 is a schematic view of the mounting groove of the present invention;
FIG. 4 is a schematic view of the installation of the buffer spring according to the present invention.
In the figure: 1. a gas chromatograph; 11. a buffer spring; 12. a protection plate; 2. an injection port; 3. a fixing plate; 31. mounting grooves; 32. a through hole; 4. connecting columns; 5. a vacuum chuck; 6. a tapered tube; 7. a fixed tube; 8. a sampling needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: the utility model provides a gas chromatograph for environment measuring convenient to fixed sample, including gas chromatograph 1, the 1 outside of gas chromatograph is provided with buffer spring 11, buffer spring 11's one end is provided with protection plate 12, 1 upper portion of gas chromatograph is provided with filling opening 2, 1 upper portion of gas chromatograph is close to filling opening 2 and is provided with fixed plate 3, 3 middle parts of fixed plate are provided with mounting groove 31, mounting groove 31 middle part is provided with through- hole 32, 3 lower extremes of fixed plate are provided with spliced pole 4, 4 lower extremes of spliced pole are provided with vacuum chuck 5, 3 lower extreme middle parts of fixed plate are provided with taper tube 6, be provided with fixed pipe 7 in the mounting groove 31, be provided with sampling needle 8 in the fixed pipe 7.
In the embodiment, one end of the buffer spring 11 is fixedly connected with the gas chromatograph 1 through welding, the other end of the buffer spring 11 is fixedly connected with the protection plate 12 through welding, and the impact of the gas chromatograph 1 when being impacted by the outside can be reduced through the buffer spring 11 and the protection plate 12; the upper end of the middle part of the fixing plate 3 is provided with an installation groove 31, the middle part of the installation groove 31 is provided with a through hole 32, the fixing tube 7 can be firmly installed through the installation groove 31 on the fixing plate 3, and the needle head of the sampling needle 8 can be smoothly inserted into the filling opening 2 through the through hole 32; the connecting columns 4 are fixed at the bottom of the fixing plate 3 through welding, the number of the connecting columns 4 is four, and the fixing plate 3 can be supported through the connecting columns 4; the vacuum chucks 5 are fixedly connected with the connecting column 4 through screws, the number of the vacuum chucks 5 is four, and the fixing plate 3 can be firmly fixed on the upper part of the gas chromatograph 1 through the vacuum chucks 5; the vacuum chuck 5 is adsorbed on the upper part of the gas chromatograph 1, the position of the conical tube 6 corresponds to the position of the injection port 2, and the needle head of the sampling needle 8 can directly slide down on the inner wall of the conical tube 6 and be directly inserted into the injection port 2 through the conical tube 6 without manual alignment; conical tube 6 passes through welded fastening at fixed plate 3 bottom terminal, has threaded connection between fixed pipe 7 and the mounting groove 31, can be fixed sampling needle 8 through fixed pipe 7, no longer need handheld sampling needle 8, and sampling needle 8 is more stable, and the syringe needle is difficult for the fracture.
The working principle and the using process of the utility model are as follows: when in use, in the experiment operation, firstly, the fixing plate 3 is fixed above the injection port 2 through the vacuum chuck 5, the lower end of the conical tube 6 is aligned with the injection port 2, then the fixing tube 7 is screwed and fixed in the mounting groove 31, when the object to be detected needs to be injected, the sampling needle 8 is directly placed in the fixing tube 7, the needle head passes through the through hole 32, the needle head of the sampling needle 8 can directly slide down on the inner wall of the conical tube 6 and be inserted into the injection port 2, finally, the sampling needle 8 is directly pressed to inject the object to be detected into the gas chromatograph 1 through the injection port 2 for detection, the sampling needle 8 can be fixed through the fixing tube 7, the sampling needle 8 does not need to be held by hands, the sampling needle 8 is more stable, the needle head is not easy to break, the needle head of the sampling needle 8 can directly slide down on the inner wall of the conical tube 6 and be directly inserted into the injection port 2 without manual alignment, when the gas chromatograph 1 is impacted by the outside, the protection plate 12 can receive the impact at first, later can effectively reduce the impact that the striking produced through buffer spring 11, and the part in the protection gas chromatograph 1 does not receive the impact influence, makes gas chromatograph 1 can not impaired, ensures gas chromatograph 1's life.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a gas chromatograph for environment measuring convenient to fixed sample which characterized in that: including gas chromatograph (1), gas chromatograph (1) outside is provided with buffer spring (11), the one end of buffer spring (11) is provided with guard plate (12), gas chromatograph (1) upper portion is provided with injection port (2), gas chromatograph (1) upper portion is close to injection port (2) and is provided with fixed plate (3), fixed plate (3) middle part is provided with mounting groove (31), mounting groove (31) middle part is provided with through-hole (32), fixed plate (3) lower extreme is provided with spliced pole (4), spliced pole (4) lower extreme is provided with vacuum chuck (5), fixed plate (3) lower extreme middle part is provided with toper pipe (6), be provided with fixed pipe (7) in mounting groove (31), be provided with sample needle (8) in fixed pipe (7).
2. A gas chromatograph for environmental testing that facilitates securing a sample according to claim 1, wherein: one end of the buffer spring (11) is fixedly connected with the gas chromatograph (1) through welding, and the other end of the buffer spring (11) is fixedly connected with the protection plate (12) through welding.
3. A gas chromatograph for environmental testing that facilitates securing a sample according to claim 1, wherein: the fixing plate is characterized in that an installation groove (31) is formed in the upper end of the middle of the fixing plate (3), and a through hole (32) is formed in the middle of the installation groove (31).
4. A gas chromatograph for environmental testing that facilitates securing a sample according to claim 1, wherein: the connecting columns (4) are fixed at the bottom of the fixing plate (3) through welding, and the number of the connecting columns (4) is four.
5. A gas chromatograph for environmental testing that facilitates securing a sample according to claim 1, wherein: the vacuum suckers (5) are fixedly connected with the connecting column (4) through screws, and the number of the vacuum suckers (5) is four.
6. A gas chromatograph for environmental testing that facilitates securing a sample according to claim 1, wherein: the vacuum chuck (5) is adsorbed on the upper part of the gas chromatograph (1), and the position of the conical tube (6) corresponds to the position of the injection port (2).
7. A gas chromatograph for environmental testing that facilitates securing a sample according to claim 1, wherein: conical tube (6) pass through welded fastening at fixed plate (3) bottom terminal, there is threaded connection between fixed pipe (7) and mounting groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052933.3U CN216013252U (en) | 2021-08-27 | 2021-08-27 | Gas chromatograph for environmental detection convenient to fixed sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052933.3U CN216013252U (en) | 2021-08-27 | 2021-08-27 | Gas chromatograph for environmental detection convenient to fixed sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216013252U true CN216013252U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122052933.3U Active CN216013252U (en) | 2021-08-27 | 2021-08-27 | Gas chromatograph for environmental detection convenient to fixed sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216013252U (en) |
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2021
- 2021-08-27 CN CN202122052933.3U patent/CN216013252U/en active Active
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