CN219830981U - Sampling device of solid phase extraction instrument - Google Patents
Sampling device of solid phase extraction instrument Download PDFInfo
- Publication number
- CN219830981U CN219830981U CN202321187533.6U CN202321187533U CN219830981U CN 219830981 U CN219830981 U CN 219830981U CN 202321187533 U CN202321187533 U CN 202321187533U CN 219830981 U CN219830981 U CN 219830981U
- Authority
- CN
- China
- Prior art keywords
- driving
- extraction
- plate
- bearing
- extraction box
- 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.)
- Active
Links
- 238000002414 normal-phase solid-phase extraction Methods 0.000 title claims abstract description 18
- 238000005070 sampling Methods 0.000 title claims abstract description 13
- 238000000605 extraction Methods 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 239000007790 solid phase Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of solid-phase extraction equipment, and provides a sample injection device of a solid-phase extraction instrument, which comprises an extraction box provided with a vacuum pump, a cover plate arranged on the extraction box and an extraction column arranged on the cover plate, wherein a bearing plate is elastically arranged in the extraction box, a plurality of bearing holes for bearing test tubes are formed in the bearing plate, a fixing component for fixing the test tubes is arranged in the bearing holes, and a driving mechanism for driving the bearing plate to slide is arranged in the extraction box. The utility model realizes the purpose of controlling the movement of the bearing plate by matching the rotating rod, the sliding block, the positioning rod and other elements, reduces the difficulty of solid phase sampling, reduces extra steps in the traditional operation, greatly improves the sampling efficiency, and greatly reduces the manufacturing and operation cost of the device due to the fact that the driving in the whole movement process is realized by the pressure generated by the air pressure difference, thereby being beneficial to the popularization of equipment.
Description
Technical Field
The utility model relates to the technical field of solid phase extraction equipment, in particular to a sample injection device of a solid phase extraction instrument.
Background
The solid phase extraction instrument is based on liquid-solid phase chromatography theory, adopts selective adsorption and selective elution modes to enrich, separate and purify a sample, is an extraction process comprising a liquid phase and a solid phase character, and is a more common method that a liquid sample solution passes through an adsorbent to retain tested substances therein or selectively adsorb interference impurities so as to enable the tested substances to flow out, and when the existing solid phase extraction instrument performs different extraction steps in the extraction process, test tubes below an extraction column are required to be replaced to ensure separate collection of substances in the sample, but a plurality of additional operation steps are added, so that the extraction efficiency is not improved.
Disclosure of Invention
The utility model aims to solve the defects that the existing solid phase extraction device has a plurality of operation steps and is unfavorable for improving the extraction efficiency, and provides a sample injection device of a solid phase extraction instrument.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a solid phase extraction appearance sampling device, includes the extraction case of installing the vacuum pump, and install the apron and set up the extraction post on the apron on the extraction case, the interior elastic mounting of extraction case has the loading board, and has seted up a plurality of loading holes that are used for bearing test tube on the loading board, be equipped with the fixed subassembly that is used for fixed test tube in the loading hole, be equipped with the actuating mechanism that is used for driving the loading board slip in the extraction case;
the driving mechanism comprises a driving connecting rod which is slidably arranged in the extraction box, a first driving arc block is arranged at one end of the driving connecting rod, a rotating rod is rotatably arranged in the extraction box, a second driving arc block which is slidably matched with the first driving arc block is arranged at the lower part of the rotating rod, positioning rods are arranged at two ends of the rotating rod in a transmission mode, positioning sliding grooves for the sliding of the positioning rods are formed in the bearing plate, and a sliding block in sliding connection with the extraction box is arranged at one end of the bearing plate.
Preferably, a sliding shaft is rotatably arranged at one end of the positioning rod, and a driving chute for sliding the sliding shaft is arranged on the rotating rod.
Preferably, a driving plate in sliding connection with the extraction box is installed at one end of the driving connecting rod, and a driving screw rod in threaded connection with the extraction box is rotatably installed at one side of the driving plate.
Preferably, the sliding block and the driving plate are both provided with sealing gaskets outside to be in sliding fit with the extraction box.
Preferably, the fixing assembly comprises a placing plate which is elastically installed in the bearing hole, a fixing clamping plate is rotatably installed on the bearing hole, and a fixing connecting rod with one end hinged with the placing plate is rotatably installed on one side of the fixing clamping plate.
Preferably, one side of the extraction box is connected with an air inlet plug communicated with the inner cavity of the extraction box in a threaded manner.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model realizes the purpose of controlling the movement of the bearing plate by matching the rotating rod, the sliding block, the positioning rod and other elements, reduces the difficulty of solid phase sampling, reduces extra steps in the traditional operation, greatly improves the sampling efficiency, and greatly reduces the manufacturing and operation cost of the device due to the fact that the driving in the whole movement process is realized by the pressure generated by the air pressure difference, thereby being beneficial to the popularization of equipment.
2. According to the utility model, through the cooperation of the placing plate and the fixed connecting rod, the fixed clamping plate can be driven to rotate in opposite directions, so that the function of clamping and fixing the test tube is realized, the phenomenon that liquid is poured when the bearing plate moves is avoided, and the sampling quality is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic diagram of a driving mechanism according to the present utility model;
FIG. 4 is an enlarged schematic view of the area A in FIG. 3;
fig. 5 is an enlarged view of the area B in fig. 3.
In the figure: 1. an extraction box; 2. a cover plate; 3. an extraction column; 4. a vacuum pump; 5. a carrying plate; 6. a fixing assembly; 61. placing a plate; 62. a fixed connecting rod; 63. a fixed clamping plate; 7. a driving mechanism; 71. a drive link; 72. driving the first arc block; 73. a rotating lever; 74. driving the second arc block; 75. a positioning rod; 76. a sliding shaft; 77. driving the chute; 78. positioning a chute; 79. a sliding block; 710. a driving plate; 711. driving a screw rod; 8. and (5) an air inlet plug.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-5, a sample injection device of a solid phase extraction instrument comprises an extraction box 1 provided with a vacuum pump 4, a cover plate 2 arranged on the extraction box 1 and an extraction column 3 arranged on the cover plate 2, wherein a bearing plate 5 is elastically arranged in the extraction box 1, a plurality of bearing holes for bearing test tubes are formed in the bearing plate 5, a fixing component 6 for fixing the test tubes is arranged in the bearing holes, a driving mechanism 7 for driving the bearing plate 5 to slide is arranged in the extraction box 1, when the sample injection device works, the cover plate 2 is firstly opened, the test tubes are placed on the bearing plate 5, then the interior of the extraction box 1 is pumped into negative pressure through the vacuum pump 4 arranged on the extraction box 1, then extraction materials in the extraction column 3 are activated by distilled water, and then the bearing plate 5 is driven to move through the driving mechanism 7, so that a worker can conveniently sample and elute samples, and the sampling of the samples is completed.
The driving mechanism 7 comprises a driving connecting rod 71 which is slidably arranged in the extraction box 1, one end of the driving connecting rod 71 is provided with a driving arc block I72, the extraction box 1 is rotatably provided with a rotating rod 73, the lower part of the rotating rod 73 is provided with a driving arc block II 74 which is slidably matched with the driving arc block I72, both ends of the rotating rod 73 are respectively provided with a positioning rod 75 in a transmission manner, the bearing plate 5 is provided with a positioning chute 78 for the positioning rod 75 to slide, one end of the bearing plate 5 is provided with a sliding block 79 which is slidably connected with the extraction box 1, in the extraction process, no matter impurities are left in the extraction column 3 or samples are left in the extraction column 3, the bearing plate 5 is required to be moved, different test tubes on the bearing plate are positioned below the extraction column 3 in corresponding steps, so that samples can be conveniently taken, in the device, the movement of the driving arc block I72 is driven to be contacted with the driving arc block II 74 by controlling the movement of the driving connecting rod 71, thereby realizing the rotation of the rotating rod 73, the purpose of controlling the lifting of the positioning rods 75 at both ends of the rotating rod 73 is achieved, and the extraction box 1 is in a negative pressure state under the action of a vacuum pump 4, and the pressure can be extruded by the bearing plate 79 under the action of the external pressure as shown in the figure 3. At this time, the positioning rod 75 is mutually abutted against the bearing plate 5, so that the bearing plate 5 cannot move, when the positioning rod 75 abutted against the bearing plate 5 descends under the action of the rotating rod 73, the bearing plate 5 moves forwards, but under the cooperation of the driving arc block two 74 and the driving arc block one 72 on the rotating rod 73, when one positioning rod 75 on the rotating rod 73 descends, the other positioning rod 75 rises, and the abutting against the bearing plate 5 is restored, so that the bearing plate 5 can only move a distance each time, the corresponding test tube on the bearing plate 5 can be conveniently moved below the extraction column 3, the difficulty of solid phase sampling is reduced, extra steps in the traditional operation are reduced, the sampling efficiency is greatly improved, and in addition, the driving in the whole movement process is realized through the pressure generated by the air pressure difference, the manufacturing and running costs of the device are greatly reduced, and the popularization of equipment is facilitated.
One end of the positioning rod 75 is rotatably provided with a sliding shaft 76, the rotating rod 73 is provided with a driving sliding groove 77 for sliding the sliding shaft 76, and the rotating rod 73 drives the sliding shaft 76 to slide in the driving sliding groove 77 when rotating, so that the stability of the positioning rod 75 in the moving process is improved.
One end of the driving connecting rod 71 is provided with a driving plate 710 which is in sliding connection with the extraction box 1, one side of the driving plate 710 is rotatably provided with a driving screw 711 which is in threaded connection with the extraction box 1, as shown in fig. 3, one end of the driving screw 711 is provided with a turntable, when the bearing plate 5 needs to be controlled to move, the driving screw 711 can be driven to move through the rotating turntable 711, the driving connecting rod 71 is driven to move through the driving plate 710, the operation of the driving mechanism 7 is realized, and in addition, the driving screw 711 and the threaded connection of the extraction box 1 have self-locking performance, so that the stability of the driving mechanism 7 during operation can be greatly improved.
The sliding block 79 and the driving plate 710 are both provided with sealing gaskets outside and are in sliding fit with the extraction box 1, and the sliding block 79 and the sealing gaskets outside the driving plate 710 can enable the extraction box 1 to be in a negative pressure state, so that the driving mechanism 7 is convenient to drive the bearing plate 5 to move, the difficulty of separating sample substances from the extraction column 3 is reduced, and the practicability of the device is further improved.
Example two
Referring to fig. 1-5, the present embodiment is substantially the same as the first embodiment, and more preferably, the fixing assembly 6 includes a placing plate 61 elastically installed in the carrying hole, a fixing clamping plate 63 is rotatably installed on the carrying hole, a fixing connecting rod 62 with one end hinged to the placing plate 61 is rotatably installed on one side of the fixing clamping plate 63, when a test tube is placed in the carrying hole, the bottom end of the fixing clamping plate is pressed to move downwards under the action of gravity of the test tube, and the fixing clamping plate 63 on the carrying hole is driven to rotate in opposite directions by rotating the fixing connecting rod 62 installed on the placing plate 61, so that the test tube is clamped and fixed, and the problem that liquid is poured out when the carrying plate 5 moves to affect the sampling quality is avoided.
One side of the extraction box 1 is connected with an air inlet plug 8 communicated with the inner cavity of the extraction box 1 in a threaded manner, after extraction is finished, the air inlet plug 8 is screwed out, so that external air enters the extraction box 1, the air pressure inside and outside the extraction box 1 is balanced, a worker can conveniently open the cover plate 2 to take out a test tube, and the practicability of the device is further improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a solid phase extraction appearance sampling device, includes extraction case (1) of installing vacuum pump (4) to and install apron (2) and extraction post (3) of setting on apron (2) on extraction case (1), its characterized in that: the device is characterized in that a bearing plate (5) is elastically installed in the extraction box (1), a plurality of bearing holes for bearing test tubes are formed in the bearing plate (5), a fixing assembly (6) for fixing the test tubes is arranged in the bearing holes, and a driving mechanism (7) for driving the bearing plate (5) to slide is arranged in the extraction box (1);
the driving mechanism (7) comprises a driving connecting rod (71) which is slidably arranged in the extraction box (1), a first driving arc block (72) is arranged at one end of the driving connecting rod (71), a rotating rod (73) is rotatably arranged in the extraction box (1), a second driving arc block (74) which is slidably matched with the first driving arc block (72) is arranged at the lower part of the rotating rod (73), positioning rods (75) are arranged at two ends of the rotating rod (73) in a transmission mode, positioning sliding grooves (78) for the sliding of the positioning rods (75) are formed in the bearing plate (5), and sliding blocks (79) which are slidably connected with the extraction box (1) are arranged at one end of the bearing plate (5).
2. The solid phase extraction instrument sample injection device according to claim 1, wherein: one end of the positioning rod (75) is rotatably provided with a sliding shaft (76), and the rotating rod (73) is provided with a driving chute (77) for sliding the sliding shaft (76).
3. The solid phase extraction instrument sample injection device according to claim 1, wherein: one end of the driving connecting rod (71) is provided with a driving plate (710) which is in sliding connection with the extraction box (1), and one side of the driving plate (710) is rotatably provided with a driving screw rod (711) which is in threaded connection with the extraction box (1).
4. A solid phase extraction instrument sample injection device according to claim 3, wherein: the outside of the sliding block (79) and the driving plate (710) are respectively provided with a sealing gasket which is in sliding fit with the extraction box (1).
5. The solid phase extraction instrument sample injection device according to claim 1, wherein: the fixing assembly (6) comprises a placing plate (61) which is elastically installed in a bearing hole, a fixing clamping plate (63) is rotatably installed on the bearing hole, and a fixing connecting rod (62) with one end hinged with the placing plate (61) is rotatably installed on one side of the fixing clamping plate (63).
6. The solid phase extraction instrument sample injection device according to claim 1, wherein: one side of the extraction box (1) is connected with an air inlet plug (8) communicated with the inner cavity of the extraction box (1) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321187533.6U CN219830981U (en) | 2023-05-17 | 2023-05-17 | Sampling device of solid phase extraction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321187533.6U CN219830981U (en) | 2023-05-17 | 2023-05-17 | Sampling device of solid phase extraction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219830981U true CN219830981U (en) | 2023-10-13 |
Family
ID=88286202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321187533.6U Active CN219830981U (en) | 2023-05-17 | 2023-05-17 | Sampling device of solid phase extraction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219830981U (en) |
-
2023
- 2023-05-17 CN CN202321187533.6U patent/CN219830981U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112378726B (en) | A solid-phase extraction device for food detects | |
| CN103675167A (en) | Rotating disc type automatic headspace sampler | |
| CN219830981U (en) | Sampling device of solid phase extraction instrument | |
| CN110361493B (en) | Multi-position automatic sample injection device | |
| CN117191477A (en) | Device for detecting and sampling pollutants in wastewater | |
| CN104804998A (en) | Plasmid extraction device | |
| CN115467589B (en) | High-precision multipath synchronous data acquisition device and acquisition method | |
| CN214485740U (en) | Automatic positive-pressure column passing device for solid-phase extraction column | |
| CN115901375A (en) | Sample bonding device for rock tensile experiment and operation method thereof | |
| CN210923593U (en) | Ion chromatograph sampling device | |
| CN221612783U (en) | Sample analysis platform with positioning structure | |
| CN221358635U (en) | Solid phase microextraction sampling separation enrichment device | |
| CN112595817A (en) | Centralized detection device for air collection samples | |
| CN219941834U (en) | Reagent extraction equipment of controllable flow | |
| CN220019493U (en) | Auxiliary feeding device for gas chromatograph | |
| CN110733674A (en) | Processing equipment of U-shaped activated carbon sampling pipes | |
| CN218306312U (en) | Cosmetic solid phase extraction device | |
| CN213632924U (en) | Solid sample extraction analyzer | |
| CN221148129U (en) | Deep soil sampling device | |
| CN219836229U (en) | Heparin sodium resin vacuum filtration collecting and filtering tank | |
| CN219707338U (en) | Aerial survey camera mounting structure of unmanned aerial vehicle | |
| CN114636777B (en) | Solid-phase extraction device, method and application of absorbent cotton modified based on COFs | |
| CN220762400U (en) | Quick apparatus for producing of gas chromatograph connects | |
| CN220084654U (en) | Fixed convenient concrete impermeability detector | |
| CN219964018U (en) | Novel high-flux automatic solid phase extraction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |