CN220802306U - Fine adjustable solid phase extraction suction filtration device - Google Patents
Fine adjustable solid phase extraction suction filtration device Download PDFInfo
- Publication number
- CN220802306U CN220802306U CN202322081642.6U CN202322081642U CN220802306U CN 220802306 U CN220802306 U CN 220802306U CN 202322081642 U CN202322081642 U CN 202322081642U CN 220802306 U CN220802306 U CN 220802306U
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- Prior art keywords
- phase extraction
- filtration device
- suction filtration
- fine
- worm
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- 238000002414 normal-phase solid-phase extraction Methods 0.000 title claims abstract description 20
- 238000000967 suction filtration Methods 0.000 title claims abstract description 16
- 238000000605 extraction Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 244000309464 bull Species 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a fine adjustable solid-phase extraction suction filtration device, which relates to the technical field of solid-phase extraction devices and comprises a mounting box, a rotating rod and a supporting plate, wherein a tube placing rack is arranged on the inner side of the mounting box, test tubes are uniformly arranged on the inner side of the tube placing rack, first return springs are uniformly arranged on the outer wall of the mounting box, pull rods are uniformly arranged on the inner sides of the first return springs, positioning grooves matched with the pull rods are formed in the outer walls of the test tubes, a liquid outlet pipe is uniformly connected to the top end of the top plate, extraction pipes are connected to the top ends of the liquid outlet pipe, and filter cores are uniformly arranged on the inner sides of the extraction pipes. According to the utility model, the worm is rotated simultaneously by rotating the adjusting handle, the worm wheel is meshed with the worm wheel, the worm wheel drives the rotating rod to rotate simultaneously, the rotating rod drives the baffle to rotate, and the shielding area of the through hole is adjusted, so that the flow speed is adjusted, extraction is fine, and the problem of inconvenient adjustment is solved.
Description
Technical Field
The utility model relates to the technical field of solid phase extraction devices, in particular to a fine adjustable solid phase extraction suction filtration device.
Background
The solid phase extraction suction filtration device is a pretreatment device for samples, enrichment, separation and purification treatment are carried out on the samples by adopting a selective adsorption and elution mode, so that the samples are purer, the interference of impurities in the samples on detection is reduced, the detection accuracy is greatly improved, the current solid phase extraction suction filtration device does not have a regulation and control function, the flow rate cannot be regulated, the filtration precision is poor, the current solid phase extraction suction filtration device does not have a structure which is convenient for taking test tubes, the test tubes are placed in a tube rack during test tube installation, the tube ports are not protruded, and staff are inconvenient to take out.
Disclosure of utility model
The utility model aims to provide a fine adjustable solid phase extraction and filtration device, which aims to solve the problems that the conventional fine adjustable solid phase extraction and filtration device is not convenient to adjust and control and is convenient to take a test tube in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a meticulous adjustable and controllable solid-phase extraction suction filtration device, includes mounting box, bull stick and backup pad, the inboard of mounting box is installed and is put the pipe support, and puts the inboard of pipe support and evenly install the test tube, first reset spring is evenly installed to the outer wall of mounting box, and the pull rod is all installed to the inboard of first reset spring, the outer wall of test tube all is provided with the constant head tank with pull rod assorted, the roof is installed on the top of mounting box, the top evenly connected with the drain pipe of roof, and the top of drain pipe all is connected with the extraction pipe, the filter core is all installed to the inboard of extraction pipe, the bull stick is installed to the inboard of drain pipe, and the one end of bull stick is connected with the baffle, the fixed plate is installed to the top of baffle, and one side of fixed plate is provided with the through-hole, one side of mounting box is connected with the vacuum pump.
Preferably, the inner wall below the tube rack is uniformly provided with a mounting groove, and the bottom ends of the test tubes are all extended to the inner side of the mounting groove.
Preferably, the inner walls of the mounting grooves are provided with second return springs, and the top ends of the second return springs are connected with supporting plates.
Preferably, the four corners of the bottom end of the top plate are provided with upright posts, and the upright posts are symmetrical with each other relative to the center point of the top plate.
Preferably, the worm is installed to the inner wall of drain pipe below, and the one end of worm is connected with the regulation handle, the worm wheel is installed to the outer wall of bull stick below, and forms meshing transmission structure between worm wheel and the worm.
Preferably, the bearing is installed to the outer wall of bull stick, and the outside fixed connection of bearing is in the inner wall of drain pipe.
Preferably, the top view of the through hole is semicircular, and the area of the through hole is smaller than that of the baffle plate.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The utility model provides a first reset spring, a second reset spring and a pull rod, wherein the pull rod is pulled outwards, the first reset spring is stretched and deformed, then a test tube is inserted into a supporting plate in a mounting groove, the second reset spring is pressed downwards, then the pull rod is loosened, the first reset spring resets to enable the pull rod to be inserted into a positioning groove, the test tube is fixedly mounted, when the test tube needs to be taken out, the pull rod is pulled outwards, the pull rod is far away from the inner side of the positioning groove, then the second reset spring resets to enable the supporting plate to push out the test tube upwards, so that the test tube is conveniently taken out, and the problem of inconvenient taking is solved;
(2) The utility model provides an adjusting handle, a worm wheel and a rotating rod, wherein the worm is simultaneously rotated by utilizing the rotation of the adjusting handle, the worm wheel drives the rotating rod to simultaneously rotate by being meshed with the worm wheel, and the rotating rod drives a baffle to rotate, so that the shielding area of a through hole is adjusted, and the flow speed is adjusted, thereby ensuring that extraction is fine, and solving the problem of inconvenient regulation.
Drawings
FIG. 1 is a schematic cross-sectional view of the apparatus of the present utility model;
FIG. 2 is a schematic top view of the mounting box of the present utility model;
FIG. 3 is a schematic cross-sectional view of a liquid outlet pipe according to the present utility model;
FIG. 4 is a schematic view of the structure of the mounting groove of the present utility model;
Fig. 5 is an enlarged schematic view of the structure of fig. 1a according to the present utility model.
In the figure: 1. placing a pipe support; 2. a mounting box; 3. a column; 4. a top plate; 5. a liquid outlet pipe; 6. an extraction tube; 7. adjusting the handle; 8. a filter element; 9. a vacuum pump; 10. a test tube; 11. a mounting groove; 12. a first return spring; 13. a pull rod; 14. a worm wheel; 15. a baffle; 16. a fixing plate; 17. a through hole; 18. a rotating rod; 19. a worm; 20. a second return spring; 21. a support plate; 22. and a positioning groove.
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, the fine adjustable solid phase extraction suction filtration device comprises a mounting box 2, a rotating rod 18 and a supporting plate 21, wherein a tube placing rack 1 is mounted on the inner side of the mounting box 2, test tubes 10 are uniformly mounted on the inner side of the tube placing rack 1, first return springs 12 are uniformly mounted on the outer wall of the mounting box 2, pull rods 13 are mounted on the inner sides of the first return springs 12, positioning grooves 22 matched with the pull rods 13 are formed in the outer walls of the test tubes 10, a top plate 4 is mounted on the top end of the mounting box 2, a liquid outlet pipe 5 is uniformly connected to the top end of the top plate 4, extraction pipes 6 are connected to the top end of the liquid outlet pipe 5, filter elements 8 are mounted on the inner sides of the extraction pipes 6, the rotating rod 18 is mounted on the inner side of the liquid outlet pipe 5, one end of the rotating rod 18 is connected with a baffle 15, a fixed plate 16 is mounted above the baffle 15, one side of the fixed plate 16 is provided with a through hole 17, and one side of the mounting box 2 is connected with a vacuum pump 9;
The inner wall below the tube rack 1 is uniformly provided with mounting grooves 11, and the bottom ends of the test tubes 10 extend to the inner sides of the mounting grooves 11;
The inner walls of the mounting grooves 11 are respectively provided with a second reset spring 20, and the top ends of the second reset springs 20 are respectively connected with a supporting plate 21;
Specifically, as shown in fig. 1, 2, 4 and 5, when the structure is used, the pull rod 13 is pulled outwards, the first return spring 12 is stretched and deformed, then the test tube 10 is inserted into the supporting plate 21 in the mounting groove 11, the second return spring 20 is pressed downwards, then the pull rod 13 is loosened, the first return spring 12 is reset to enable the pull rod 13 to be inserted into the positioning groove 22, the test tube 10 is fixedly mounted, when the test tube 10 needs to be taken out, the pull rod 13 is pulled outwards, the pull rod 13 is far away from the inner side of the positioning groove 22, and then the second return spring 20 is reset to enable the supporting plate 21 to be pushed out of the test tube 10 upwards, so that the test tube 10 is convenient to take.
Example 2: the four corners of the bottom end of the top plate 4 are provided with the upright posts 3, and the upright posts 3 are symmetrical with each other relative to the center point of the top plate 4;
a worm 19 is arranged on the inner wall below the liquid outlet pipe 5, one end of the worm 19 is connected with an adjusting handle 7, a worm wheel 14 is arranged on the outer wall below the rotating rod 18, and a meshing transmission structure is formed between the worm wheel 14 and the worm 19;
The outer wall of the rotating rod 18 is provided with a bearing, and the outer side of the bearing is fixedly connected with the inner wall of the liquid outlet pipe 5;
the top view of the through hole 17 is semicircular, and the area of the through hole 17 is smaller than that of the baffle 15;
Specifically, as shown in fig. 1 and 3, when the structure is used, the worm 19 is rotated simultaneously by rotating the adjusting handle 7, the worm wheel 14 drives the rotating rod 18 to rotate simultaneously by meshing the worm 19 with the worm wheel 14, the rotating rod 18 drives the baffle 15 to rotate, and the shielding area of the through hole 17 is adjusted, so that the flow rate is adjusted, and the extraction is refined.
Working principle: when the device is used, firstly, a test tube 10 is placed in a tube placing frame 1, then a liquid outlet pipe 5 below an extraction pipe 6 is inserted into a top plate 4, gas in the top plate 4 is pumped through the work of a vacuum pump 9, and liquid in the extraction pipe 6 is filtered through a filter element 8 and then enters the test tube 10 for collection;
The first innovation point implements the steps of:
the first step: the first return spring 12 is stretched and deformed by pulling the pull rod 13 outwards, then the test tube 10 is inserted into the supporting plate 21 in the mounting groove 11, and the pull rod 13 is released by downwards extruding the second return spring 20, so that the first return spring 12 returns to enable the pull rod 13 to be inserted into the positioning groove 22, thereby realizing the fixed mounting of the test tube 10;
And a second step of: when the test tube 10 needs to be taken out, the pull rod 13 is pulled outwards, the pull rod 13 is far away from the inner side of the positioning groove 22, and then the second reset spring 20 resets to enable the support plate 21 to eject the test tube 10 upwards, so that the test tube 10 is conveniently taken out.
The second innovation point implementation step:
The worm 19 is simultaneously rotated by rotating the adjusting handle 7, the worm wheel 14 drives the rotating rod 18 to simultaneously rotate by being meshed with the worm wheel 14 through the worm 19, the rotating rod 18 drives the baffle 15 to rotate, the shielding area of the through hole 17 is adjusted, and the flow rate is adjusted.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (7)
1. Fine adjustable solid phase extraction suction filtration device, including mounting box (2), bull stick (18) and backup pad (21), its characterized in that: the utility model discloses a vacuum pump, including installation box (2), including tube rack (1), filter core (8), bull stick (18) are all installed to the inboard of tube rack (1), and first reset spring (12) are all installed to the inboard of installation box (2), and pull rod (13) are all installed to the inboard of first reset spring (12), roof (4) are installed on the outer wall of tube (10) with pull rod (13) assorted constant head tank (22), roof (4) are installed on the top of installation box (2), the top of roof (4) evenly is connected with drain pipe (5), and the top of drain pipe (5) all is connected with extraction pipe (6), filter core (8) are all installed to the inboard of extraction pipe (6), bull stick (18) are installed to the inboard of drain pipe (5), and one end of bull stick (18) is connected with baffle (15), fixed plate (16) are installed to the top of baffle (15), and one side of fixed plate (16) is provided with through-hole (17), one side of installation box (2) is connected with vacuum pump (9).
2. The fine-controllable solid-phase extraction suction filtration device according to claim 1, wherein: the inner wall below the tube rack (1) is uniformly provided with a mounting groove (11), and the bottom ends of the test tubes (10) all extend to the inner side of the mounting groove (11).
3. The fine-controllable solid-phase extraction suction filtration device according to claim 2, wherein: the inner walls of the mounting grooves (11) are respectively provided with a second reset spring (20), and the top ends of the second reset springs (20) are respectively connected with a supporting plate (21).
4. The fine-controllable solid-phase extraction suction filtration device according to claim 1, wherein: the four corners of the bottom end of the top plate (4) are provided with the upright posts (3), and the upright posts (3) are symmetrical with each other relative to the center point of the top plate (4).
5. The fine-controllable solid-phase extraction suction filtration device according to claim 1, wherein: the worm (19) is installed to the inner wall below drain pipe (5), and one end of worm (19) is connected with regulation handle (7), worm wheel (14) are installed to the outer wall below bull stick (18), and form meshing transmission structure between worm wheel (14) and worm (19).
6. The fine-controllable solid-phase extraction suction filtration device according to claim 1, wherein: the bearing is installed on the outer wall of the rotating rod (18), and the outer side of the bearing is fixedly connected with the inner wall of the liquid outlet pipe (5).
7. The fine-controllable solid-phase extraction suction filtration device according to claim 1, wherein: the top view of the through hole (17) is semicircular, and the area of the through hole (17) is smaller than that of the baffle plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322081642.6U CN220802306U (en) | 2023-08-03 | 2023-08-03 | Fine adjustable solid phase extraction suction filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322081642.6U CN220802306U (en) | 2023-08-03 | 2023-08-03 | Fine adjustable solid phase extraction suction filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220802306U true CN220802306U (en) | 2024-04-19 |
Family
ID=90709940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322081642.6U Active CN220802306U (en) | 2023-08-03 | 2023-08-03 | Fine adjustable solid phase extraction suction filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220802306U (en) |
-
2023
- 2023-08-03 CN CN202322081642.6U patent/CN220802306U/en active Active
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