CN219897135U - Solid phase extraction device - Google Patents
Solid phase extraction device Download PDFInfo
- Publication number
- CN219897135U CN219897135U CN202321032323.XU CN202321032323U CN219897135U CN 219897135 U CN219897135 U CN 219897135U CN 202321032323 U CN202321032323 U CN 202321032323U CN 219897135 U CN219897135 U CN 219897135U
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- China
- Prior art keywords
- phase extraction
- solid phase
- filter
- pipe
- rotating rod
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- 238000002414 normal-phase solid-phase extraction Methods 0.000 title claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 7
- 239000003463 adsorbent Substances 0.000 abstract description 17
- 239000007787 solid Substances 0.000 abstract description 17
- 239000007788 liquid Substances 0.000 abstract description 11
- 235000021056 liquid food Nutrition 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 235000013305 food Nutrition 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 5
- 244000309464 bull Species 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000003755 preservative agent Substances 0.000 description 3
- 239000012491 analyte Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 238000001172 liquid--solid extraction Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model discloses a solid phase extraction device, and relates to the technical field of food detection; the scheme that the lifting plate is driven by the rotating rod to enable the collecting pipe to reach the lower part of the filter pipe body is adopted, the collecting pipe is placed on the upper inner wall of the lifting plate, the rotating rod is rotated, the rotating rod can freely rotate in grooves formed in the middle of the upper side and the lower side of the frame body, then the lifting plate with the surface in threaded connection is driven by the rotating rod to move downwards to the lower part of the filter pipe body, the solid adsorbent is placed in the filter pipe body through the reaction pipe, then the solid adsorbent can be prevented from flowing backwards into the reaction pipe through the one-way valve, liquid food is placed in the filter pipe body through the feeding pipe, then solid phase extraction is carried out on the filter pipe body, after the extraction is finished, the extracted liquid sample reaches the inside of the collecting pipe, and the effect that the collecting pipe and the filter pipe body can be flexibly butted is achieved, and the use is convenient is achieved.
Description
Technical Field
The utility model discloses a solid phase extraction device, and relates to the technical field of food detection.
Background
Preservatives can extend the shelf life of foods, but excessive intake of preservatives can burden the liver and kidneys. In order to ensure food safety, it is necessary to detect the content of food additives.
The solid phase extraction is a sample pretreatment technology developed in recent years and is mainly used for separating, purifying and concentrating samples by combining a liquid-solid extraction column and a liquid chromatography technology, compared with the traditional liquid-liquid extraction method, the recovery rate of the analyte can be improved, the analyte and the interference components can be more effectively separated, the sample pretreatment process is reduced, and the operation is simple, time-saving and labor-saving. The solid phase extraction is used for pretreatment of preservative detection, so that the precision and the accuracy are high, the detection sensitivity of the instrument can be improved, and the application prospect is wide.
When the food is detected and extracted by solid phase extraction, whether the liquid food contains the target compound is detected, the liquid food to be detected is injected into a container containing the solid adsorbent, the solid adsorbent is enabled to adsorb the target compound in the liquid food, then the solid adsorbent is filtered out, the solid adsorbent is put into the container containing the eluent, the solid adsorbent is enabled to separate and decompose the target compound, and the target compound is enabled to be separated.
According to a solid phase extraction device disclosed in Chinese patent publication No. CN217961388U, a box body is arranged, the top surface of the box body is transparent and is buckled with a cover plate, a plurality of solid phase extraction components are arranged on the cover plate, and a liquid injection mechanism is arranged on the top surface of the cover plate; the bottom surface of the inner cavity of the box body is provided with a collecting mechanism, and one side of the collecting mechanism penetrates through the side wall of the box body from inside to outside; the inner cavity of the box body is communicated with a vacuum pump through an air duct; according to the utility model, liquid samples are not required to be added to each solid-phase extraction column in sequence, only the liquid samples are required to be poured into the funnel, the liquid samples can automatically flow into the required solid-phase extraction columns, and the solid-phase extraction columns with corresponding comfort numbers can be selected according to actual requirements; when the extracted liquid is wanted to be removed, the cover plate at the top is not required to be removed, the whole collecting device is pulled out from the side face, and after the extracted liquid in the collecting device is taken away, the extracted liquid can be collected again only by being inserted back into the box body, so that the device is convenient and practical.
However, the collecting pipe of the device is arranged in the collecting box, the distance between the top of the collecting pipe and the bottom of the filtering pipe is fixed, and the collecting pipe cannot be adjusted, so that the problem of flexible adjustment and butt joint use is inconvenient.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to improve the technology of a solid phase extraction device, and provides a solid phase extraction device which adopts a scheme that a rotating rod drives a lifting plate upwards to enable a collecting pipe to reach the lower part of a filter pipe body.
The purpose of the utility model is realized in the following way:
a solid phase extraction device comprising: the device comprises a main body mechanism and a filtering mechanism, wherein the filtering mechanism is arranged in the main body mechanism;
the body mechanism includes: the lifting device comprises a frame body, a rotating rod, lifting plates, springs, pressing plates and collecting pipes, wherein the rotating rod is rotatably connected to the inner walls of the upper part and the lower part of the frame body, the lifting plates are connected to the surfaces of the rotating rod in a threaded mode, the springs are fixedly connected to the inner walls of the lifting plates, the pressing plates are fixedly connected to the left side and the right side of each spring, and the collecting pipes are placed on the inner walls of the pressing plates;
the filtering mechanism comprises: motor, stirring rod, fixed plate, filter tube body, inlet pipe, reaction tube and check valve, motor below fixedly connected with stirring rod, the stirring rod below is provided with the fixed plate, fixed plate inner wall fixedly connected with filter tube body, filter tube body front end fixedly connected with inlet pipe and reaction tube, inside fixedly connected with check valve of reaction tube.
Preferably, grooves are formed in the middle of the upper side and the lower side of the frame body, and the rotating rod is movably connected in the grooves formed in the middle of the upper side and the lower side of the frame body in a switching mode.
Preferably, the inner wall above the lifting plate is provided with a groove, and the pressing plate is movably clamped in the groove provided above the lifting plate.
Preferably, a placement hole is formed above the lifting plate, and the collecting pipe is inserted into the placement hole formed above the lifting plate.
Preferably, the motors and the stirring rods are provided with a plurality of groups, and the motors are connected with the left side and the right side above the frame body in a threaded manner.
Preferably, the fixing plate is fixedly connected above the inner wall of the frame body, a through hole is formed above the fixing plate, and the filter tube body is fixedly inserted into the through hole formed above the fixing plate.
Preferably, the stirring rod is positioned on the inner wall of the filter tube body, and the lower part of the filter tube body corresponds to the upper part of the collecting tube.
Compared with the prior art, the utility model has the following beneficial effects:
first, this solid phase extraction device has the flexible butt joint of collecting pipe and filter tube body, effect that facilitates the use: through placing the collecting pipe on the lifter plate inner wall, rotate the bull stick, make the bull stick can freely rotate in the recess that both sides middle part was seted up about the framework, then make the bull stick drive its surface threaded connection's lifter plate downwardly moving to filter tube body below, place solid adsorbent at the filter tube body through the reaction tube, then in can preventing solid adsorbent refluence to the reaction tube through the check valve, place liquid food inside the filter tube body through the inlet pipe, then carry out solid phase extraction at the filter tube body, through the extraction after finishing, the liquid sample of extraction reaches inside the collecting pipe, reach the flexible butt joint of collecting pipe and filter tube body, the effect of facilitating the use.
Second, this solid phase extraction device has the effect that makes the device accelerate work efficiency, improves the device adaptability: the stirring rod is driven to rotate through the motor, the solid adsorbent and liquid food inside the filter tube body are mixed, the reaction effect is accelerated, the collecting tube is placed on the inner wall of the lifting plate, then the pressing plate is driven by the spring to clamp the outer wall of the collecting tube, the collecting tubes of different types and different sizes are used conveniently, the working efficiency of the device is accelerated, and the adaptability of the device is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the back structure of the present utility model;
FIG. 3 is a schematic view of the overall planing surface structure of the present utility model;
FIG. 4 is a schematic view of the overall side planer of the present utility model;
fig. 5 is a schematic plane structure of the filtering mechanism of the present utility model.
Wherein: 1. a main body mechanism; 101. a frame; 102. a rotating rod; 103. a lifting plate; 104. a spring; 105. a pressing plate; 106. a collection pipe; 2. a filtering mechanism; 201. a motor; 202. a stirring rod; 203. a fixing plate; 204. a filter tube body; 205. a feed pipe; 206. a reaction tube; 207. a one-way valve.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings.
A solid phase extraction device according to this embodiment, as shown in fig. 1 to 5, comprises: the filter comprises a main body mechanism 1 and a filter mechanism 2, wherein the filter mechanism 2 is arranged in the main body mechanism 1;
the main body mechanism 1 includes: the lifting device comprises a frame body 101, a rotating rod 102, lifting plates 103, springs 104, pressing plates 105 and collecting pipes 106, wherein the rotating rod 102 is rotatably connected to the inner walls of the upper portion and the lower portion of the frame body 101, the lifting plates 103 are connected to the surfaces of the rotating rod 102 in a threaded mode, the springs 104 are fixedly connected to the inner walls of the lifting plates 103, the pressing plates 105 are fixedly connected to the left side and the right side of each spring 104, and the collecting pipes 106 are placed on the inner walls of the pressing plates 105;
the filter mechanism 2 includes: motor 201, stirring rod 202, fixed plate 203, filter tube body 204, inlet pipe 205, reaction tube 206 and check valve 207, motor 201 below fixedly connected with stirring rod 202, stirring rod 202 below is provided with fixed plate 203, and fixed plate 203 inner wall fixedly connected with filter tube body 204, filter tube body 204 front end fixedly connected with inlet pipe 205 and reaction tube 206, inside fixedly connected with check valve 207 of reaction tube 206.
Through the technical scheme, the collecting pipe 106 is placed on the upper inner wall of the lifting plate 103, the rotating rod 102 is rotated, so that the rotating rod 102 can freely rotate in the grooves formed in the middle of the upper side and the lower side of the frame 101, then the lifting plate 103 with the surface in threaded connection with the rotating rod 102 is driven to move downwards to the lower side of the filter pipe body 204, the solid adsorbent is placed in the filter pipe body 204 through the reaction pipe 206, then the solid adsorbent can be prevented from flowing backwards into the reaction pipe 206 through the one-way valve 207, liquid food is placed in the filter pipe body 204 through the feeding pipe 205, then solid phase extraction is carried out on the filter pipe body 204, after the extraction is finished, the extracted liquid sample reaches the inside of the collecting pipe 106, and the effect that the collecting pipe 106 and the filter pipe body 204 can be flexibly connected is achieved, and the use is convenient is achieved;
the stirring rod 202 is driven to rotate through the motor 201, solid adsorbent and liquid food inside the filter tube body 204 are mixed, the reaction effect is accelerated, the collecting tube 106 is placed on the inner wall of the lifting plate 103, then the pressing plate 105 is driven by the spring 104 to clamp the outer wall of the collecting tube 106, the collecting tube 106 with different types and different sizes is conveniently used, the working efficiency of the device is accelerated, and the adaptability of the device is improved.
Specifically, the middle parts of the upper side and the lower side of the frame 101 are provided with grooves, and the rotating rod 102 is movably connected in the grooves formed in the middle parts of the upper side and the lower side of the frame 101.
Through above-mentioned technical scheme, support the device through framework 101, through rotating bull stick 102, make bull stick 102 can freely rotate in the recess that the framework 101 was seted up at both sides middle part about, then make bull stick 102 drive its surperficial threaded connection's lifter plate 103 reciprocate.
Specifically, the inner wall above the lifting plate 103 is provided with a groove, and the pressing plate 105 is movably clamped in the groove provided above the lifting plate 103.
Through above-mentioned technical scheme, through placing collecting pipe 106 at lifter plate 103 inner wall, then drive clamp plate 105 through spring 104 and carry out the centre gripping to collecting pipe 106 outer wall, the collecting pipe 106 of different kinds and different sizes is conveniently used, and this collecting pipe 106 is prior art, can consult the test tube that current detection was used.
Specifically, a placement hole is formed above the lifting plate 103, and the collection pipe 106 is inserted into the placement hole formed above the lifting plate 103.
Through the above technical scheme, the collecting pipe 106 is placed in the placing hole formed above the lifting plate 103, and the food sample extracted in the filter pipe body 204 can be collected through the collecting pipe 106, and the filter pipe body 204 is of the prior art, so that the existing solid phase extraction device can be referred to.
Specifically, the motors 201 and the stirring bars 202 are provided with a plurality of groups, and the plurality of groups of motors 201 are connected with the left side and the right side above the frame 101 in a threaded manner.
Through above-mentioned technical scheme, this motor 201 is inside to be prior art, drives stirring rod 202 through motor 201 and rotates, mixes the inside solid adsorbent of filter tube body 204 and liquid food for the reaction effect.
Specifically, the fixing plate 203 is fixedly connected above the inner wall of the frame 101, a through hole is formed above the fixing plate 203, and the filter tube body 204 is inserted and fixed in the through hole formed above the fixing plate 203.
Through the above technical scheme, through penetrating and fixing the filter tube body 204 in the through hole formed above the fixing plate 203, then placing the solid adsorbent in the filter tube body 204 through the reaction tube 206, then through the one-way valve 207, the solid adsorbent can be prevented from flowing backwards into the reaction tube 206, the liquid food is placed in the filter tube body 204 through the feed tube 205, and then the solid phase extraction is performed on the filter tube body 204.
Specifically, the stirring rod 202 is positioned on the inner wall of the filter tube body 204, and the lower part of the filter tube body 204 corresponds to the upper part of the collecting tube 106.
Through above-mentioned technical scheme, be located filter tube body 204 inner wall through stirring rod 202, conveniently stir the inside solid adsorbent of filter tube body 204 and liquid food and mix, filter tube body 204 below corresponds collecting pipe 106 top, and the liquid sample of convenient solid phase extraction after finishing, the extraction reaches inside collecting pipe 106.
Although particular 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 may be made therein without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A solid phase extraction device comprising: the device is characterized in that the main body mechanism (1) is internally provided with the filtering mechanism (2);
the main body mechanism (1) includes: the novel lifting device comprises a frame body (101), a rotating rod (102), lifting plates (103), springs (104), pressing plates (105) and a collecting pipe (106), wherein the rotating rod (102) is rotatably connected to the inner walls of the upper portion and the lower portion of the frame body (101), the lifting plates (103) are connected to the surfaces of the rotating rod (102) in a threaded mode, the springs (104) are fixedly connected to the inner walls of the lifting plates (103), the pressing plates (105) are fixedly connected to the left side and the right side of each spring (104), and the collecting pipe (106) is placed on the inner walls of the pressing plates (105);
the filter mechanism (2) comprises: motor (201), stirring rod (202), fixed plate (203), filter tube body (204), inlet pipe (205), reaction tube (206) and check valve (207), motor (201) below fixedly connected with stirring rod (202), stirring rod (202) below is provided with fixed plate (203), fixed plate (203) inner wall fixedly connected with filter tube body (204), filter tube body (204) front end top-bottom fixedly connected with inlet pipe (205) and reaction tube (206), inside fixedly connected with check valve (207) of reaction tube (206).
2. A solid phase extraction apparatus according to claim 1, wherein: grooves are formed in the middle of the upper side and the lower side of the frame body (101), and the rotating rod (102) is movably connected in the grooves formed in the middle of the upper side and the lower side of the frame body (101).
3. A solid phase extraction apparatus according to claim 1, wherein: the inner wall above the lifting plate (103) is provided with a groove, and the pressing plate (105) is movably clamped in the groove above the lifting plate (103).
4. A solid phase extraction apparatus according to claim 1, wherein: a placing hole is formed above the lifting plate (103), and the collecting pipe (106) is inserted and placed in the placing hole formed above the lifting plate (103).
5. A solid phase extraction apparatus according to claim 1, wherein: the motors (201) and the stirring rods (202) are arranged in a plurality of groups, and the motors (201) are connected to the left side and the right side above the frame body (101) in a threaded mode.
6. A solid phase extraction apparatus according to claim 1, wherein: the filter tube comprises a fixing plate (203), a through hole is formed in the upper portion of the inner wall of the frame body (101), and a filter tube body (204) is fixedly inserted into the through hole formed in the upper portion of the fixing plate (203).
7. A solid phase extraction apparatus according to claim 1, wherein: the stirring rod (202) is positioned on the inner wall of the filter pipe body (204), and the lower part of the filter pipe body (204) corresponds to the upper part of the collecting pipe (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321032323.XU CN219897135U (en) | 2023-05-04 | 2023-05-04 | Solid phase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321032323.XU CN219897135U (en) | 2023-05-04 | 2023-05-04 | Solid phase extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219897135U true CN219897135U (en) | 2023-10-27 |
Family
ID=88438335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321032323.XU Active CN219897135U (en) | 2023-05-04 | 2023-05-04 | Solid phase extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219897135U (en) |
-
2023
- 2023-05-04 CN CN202321032323.XU patent/CN219897135U/en active Active
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