CN215195525U - Magnetic solid phase extraction device - Google Patents
Magnetic solid phase extraction device Download PDFInfo
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- CN215195525U CN215195525U CN202121472576.XU CN202121472576U CN215195525U CN 215195525 U CN215195525 U CN 215195525U CN 202121472576 U CN202121472576 U CN 202121472576U CN 215195525 U CN215195525 U CN 215195525U
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- extraction
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- magnetic solid
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Abstract
The utility model discloses a magnetism solid phase extraction device relates to magnetism solid phase extraction technical field. Including the extraction box, the bottom of extraction box is provided with first collecting box and second collecting box, and first collecting box sets up in second collecting box one side, and the inner chamber of extraction box is provided with liftable agitating unit, and the bottom center of extraction box is provided with the leakage fluid dram, and the cavity has been seted up to the end inner wall of extraction box in the both sides of leakage fluid dram, is provided with the electro-magnet in the cavity, and the below of leakage fluid dram is connected with the three-way valve, and the three-way valve communicates first collecting box and second collecting box. This magnetism solid phase extraction device, when mixing sample liquid with magnetism solid phase extractant to and when eluting magnetism solid phase extractant with the eluant, can start liftable agitating unit and hot plate to accelerate sample liquid mixing velocity and the elution speed of magnetism solid phase extractant, and then promote the detection speed of food harmful substance.
Description
Technical Field
The utility model relates to a magnetism solid phase extraction technical field specifically is a magnetism solid phase extraction device.
Background
The magnetic solid-phase extraction is a dispersed solid-phase extraction technology which takes a magnetic or magnetizable material as an adsorbent matrix and has very high extraction capability, so the magnetic solid-phase extraction is more commonly applied to the pretreatment of detection of harmful substances such as pesticide and veterinary drug toxins in food.
When the existing magnetic solid phase extraction device is used for detecting harmful substances in food, the mixing of sample liquid and a magnetic solid phase extraction agent and the elution speed of the magnetic solid phase extraction agent are low, so that the detection speed of the harmful substances in the food is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a magnetism solid phase extraction device possesses the mixing speed who has improved sample liquid and magnetism solid phase extraction agent for the advantage of the elution speed of magnetism solid phase extraction agent.
For the mixing speed that has improved sample liquid and magnetism solid phase extraction agent has accelerated magnetism solid phase extraction agent purpose, the utility model provides a following technical scheme: the utility model provides a magnetism solid phase extraction device, includes the extraction box, the bottom of extraction box is provided with first collecting box and second collecting box, first collecting box sets up in second collecting box one side, and the inner chamber of extraction box is provided with liftable agitating unit, the bottom center of extraction box is provided with the leakage fluid dram, the cavity has been seted up to the bottom inner wall of extraction box in the both sides that are located the leakage fluid dram, is provided with the electro-magnet in the cavity, the below of leakage fluid dram is connected with the three-way valve, first collecting box of three-way valve intercommunication and second collecting box.
As an optimal technical scheme of the utility model, liftable agitating unit includes mounting panel, motor, pivot, stirring vane and the electric push rod of L type, the top of mounting panel is provided with the motor, the output shaft fixed connection pivot of motor, the surface of pivot is provided with stirring vane, the flexible end of electric push rod is connected to the bottom of mounting panel.
As a preferred technical scheme of the utility model, the both sides of electric push rod are provided with the slide bar, the both sides of mounting panel are provided with the sliding sleeve of slidable connection slide bar, the sliding sleeve, the top fixedly connected with anticreep piece of slide bar.
As an optimized technical proposal of the utility model, a filtering membrane which can filter the magnetic solid phase extractant is arranged in the liquid outlet.
As an optimized technical scheme of the utility model, all be provided with the hot plate between the both sides inner wall of extraction box.
As an optimized technical scheme of the utility model, the bottom that the extraction box is located the leakage fluid dram both sides is the slope.
Compared with the prior art, the utility model provides a magnetism solid phase extraction device possesses following beneficial effect: this magnetism solid phase extraction device, when mixing sample liquid with magnetism solid phase extractant to and when eluting magnetism solid phase extractant with the eluant, can start liftable agitating unit and hot plate to accelerate sample liquid mixing velocity and the elution speed of magnetism solid phase extractant, and then promote the detection speed of food harmful substance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic plan view of the present invention;
fig. 3 is an enlarged schematic view of the position a of the present invention.
In the figure: 1. an extraction box; 2. a first collection tank; 3. a second collection tank; 4. an electromagnet; 5. a liquid discharge port; 6. a three-way valve; 7. mounting a plate; 8. a motor; 9. a rotating shaft; 10. a stirring blade; 11. an electric push rod; 12. a slide bar; 13. a sliding sleeve; 14. an anti-drop block; 15. a filtration membrane; 16. heating the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, the utility model discloses a magnetism solid phase extraction device, including extraction box 1, the bottom of extraction box 1 is provided with first collecting box 2 and second collecting box 3, first collecting box 2 sets up in second collecting box 3 one side, and the inner chamber of extraction box 1 is provided with liftable agitating unit, the bottom center of extraction box 1 is provided with leakage fluid dram 5, the cavity has been seted up to the bottom inner wall of extraction box 1 and is located the both sides of leakage fluid dram 5, is provided with electro-magnet 4 in the cavity, the below of leakage fluid dram 5 is connected with three-way valve 6, three-way valve 6 intercommunication first collecting box 2 and second collecting box 3.
Concretely, liftable agitating unit includes mounting panel 7, motor 8, pivot 9, stirring vane 10 and the electric push rod 11 of L type, mounting panel 7's top is provided with motor 8, motor 8's output shaft fixed connection pivot 9, the surface of pivot 9 is provided with stirring vane 10, mounting panel 7's bottom connection electric push rod 11's flexible end.
In this embodiment, motor 8 drives pivot 9 rotatory, and pivot 9 drives stirring vane 10 rotatory, and electric push rod 11 can drive mounting panel 7 and go up and down, and then drives stirring vane 10's lift, and when needing the stirring in extraction box 1, electric push rod 11 can drive stirring vane 10 and reciprocate to go up and down to stir, and when need not use stirring vane 10, electric push rod 11 can drive mounting panel 7 and rise to the height that makes stirring vane 10 break away from extraction box 1.
Specifically, the two sides of the electric push rod 11 are provided with sliding rods 12, the two sides of the mounting plate 7 are provided with sliding sleeves 13 slidably connected with the sliding rods 12, the sliding sleeves 13 and the top ends of the sliding rods 12 are fixedly connected with anti-falling blocks 14.
In this embodiment, the bottom of electric push rod 11 and the bottom of slide bar 12 all set up on the fixed plate, and when electric push rod 11 drove mounting panel 7 and risen, the sliding sleeve 13 of mounting panel 7 both sides can slide along slide bar 12 to play the guide effect to the lift of mounting panel 7, the setting of anticreep piece 14 can prevent that sliding sleeve 13 from breaking away from slide bar 12.
Specifically, a filtering membrane 15 capable of filtering the magnetic solid phase extracting agent is arranged in the liquid outlet 5.
In this embodiment, the filter membrane 15 is disposed to prevent the magnetic solid phase extractant from passing through the filter membrane 15 and being discharged into the first collection tank 2 or the second collection tank 3.
Specifically, heating plates 16 are arranged between the inner walls of the two sides of the extraction box 1.
In this embodiment, the heating plate 16 can be activated when mixing the sample liquid and the magnetic solid phase extractant, or when the magnetic solid phase extractant is eluted with an eluent, so as to accelerate the mixing speed of the sample liquid and the elution speed of the magnetic solid phase extractant.
Specifically, the bottoms of the extraction box 1 on two sides of the liquid outlet 5 are both slopes.
In this embodiment, the cavity that the bottom inner wall of extraction box 1 was located the both sides of drain outlet 5 and was seted up is the slope, and its inclination is unanimous with the bottom inner wall inclination that extraction box 1 is located drain outlet 5 both sides, then sets up electro-magnet 4 in the cavity also is the slope, and then makes electro-magnet 4 can fully adsorb the magnetism solid phase extractant, also makes the liquid in the extraction box 1 be convenient for discharge.
The utility model discloses a theory of operation and use flow: when in use, the sample liquid is added into the extraction box 1, then the magnetic solid phase extractant is added, the liftable stirring device is started, the electric push rod 11 drives the mounting plate 7 to ascend and descend in a reciprocating way, so that the stirring blades 10 fully stir the sample liquid, so as to promote the mixing of the magnetic solid-phase extractant and the sample liquid, lead the magnetic solid-phase extractant to adsorb harmful substances fully, after the mixing is finished, the electric push rod 11 drives the mounting plate 7 to rise to the height which enables the stirring blade 10 to be separated from the extraction box 1, the electromagnet 4 is electrified, the electromagnet 4 adsorbs the magnetic solid phase extractant, after the magnetic solid phase extractant is adsorbed, the sample liquid is discharged into the first collection box 2, then the electromagnet 4 is closed again, the eluent is added into the extraction box 1, the liftable stirring device is started again to stir so as to accelerate the elution speed, and the eluent is discharged into the second collection box 3 after the elution is finished.
In summary, the magnetic solid phase extraction device can start the liftable stirring device and the heating plate 16 when the sample liquid is mixed with the magnetic solid phase extraction agent and the magnetic solid phase extraction agent is eluted by the eluent, so as to accelerate the mixing speed of the sample liquid and the elution speed of the magnetic solid phase extraction agent, and further accelerate the detection speed of the harmful substances in the food.
It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a magnetism solid phase extraction device, includes extraction box (1), its characterized in that: the bottom of extraction box (1) is provided with first collecting box (2) and second collecting box (3), first collecting box (2) set up in second collecting box (3) one side, and the inner chamber of extraction box (1) is provided with liftable agitating unit, the bottom center of extraction box (1) is provided with leakage fluid dram (5), the cavity has been seted up to the both sides that the end inner wall of extraction box (1) is located leakage fluid dram (5), is provided with electro-magnet (4) in the cavity, the below of leakage fluid dram (5) is connected with three-way valve (6), three-way valve (6) intercommunication first collecting box (2) and second collecting box (3).
2. A magnetic solid phase extraction apparatus as claimed in claim 1, wherein: liftable agitating unit includes mounting panel (7), motor (8), pivot (9), stirring vane (10) and electric push rod (11) of L type, the top of mounting panel (7) is provided with motor (8), output shaft fixed connection pivot (9) of motor (8), the surface of pivot (9) is provided with stirring vane (10), the flexible end of electric push rod (11) is connected to the bottom of mounting panel (7).
3. A magnetic solid phase extraction apparatus as claimed in claim 2, wherein: the both sides of electric putter (11) are provided with slide bar (12), the both sides of mounting panel (7) are provided with sliding sleeve (13) of slidable connection slide bar (12), sliding sleeve (13), the top fixedly connected with anticreep piece (14) of slide bar (12).
4. A magnetic solid phase extraction apparatus as claimed in claim 1, wherein: a filtering membrane (15) capable of filtering the magnetic solid phase extractant is arranged in the liquid outlet (5).
5. A magnetic solid phase extraction apparatus as claimed in claim 1, wherein: heating plates (16) are arranged between the inner walls of the two sides of the extraction box (1).
6. A magnetic solid phase extraction apparatus as claimed in claim 1, wherein: the bottom of the extraction box (1) on both sides of the liquid outlet (5) is a slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121472576.XU CN215195525U (en) | 2021-06-30 | 2021-06-30 | Magnetic solid phase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121472576.XU CN215195525U (en) | 2021-06-30 | 2021-06-30 | Magnetic solid phase extraction device |
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| Publication Number | Publication Date |
|---|---|
| CN215195525U true CN215195525U (en) | 2021-12-17 |
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| CN202121472576.XU Active CN215195525U (en) | 2021-06-30 | 2021-06-30 | Magnetic solid phase extraction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115124105A (en) * | 2022-05-24 | 2022-09-30 | 中国海洋大学 | Magnetic solid phase extraction adsorption device and use method thereof |
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2021
- 2021-06-30 CN CN202121472576.XU patent/CN215195525U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115124105A (en) * | 2022-05-24 | 2022-09-30 | 中国海洋大学 | Magnetic solid phase extraction adsorption device and use method thereof |
| CN115124105B (en) * | 2022-05-24 | 2023-09-29 | 中国海洋大学 | Magnetic solid-phase extraction adsorption device and use method |
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