CN220424607U - Solid phase extraction device - Google Patents
Solid phase extraction device Download PDFInfo
- Publication number
- CN220424607U CN220424607U CN202321804439.0U CN202321804439U CN220424607U CN 220424607 U CN220424607 U CN 220424607U CN 202321804439 U CN202321804439 U CN 202321804439U CN 220424607 U CN220424607 U CN 220424607U
- Authority
- CN
- China
- Prior art keywords
- phase extraction
- solid phase
- stud
- screw
- extraction device
- 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.)
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Links
- 238000002414 normal-phase solid-phase extraction Methods 0.000 title claims abstract description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011799 hole material Substances 0.000 description 1
- 238000004460 liquid liquid chromatography Methods 0.000 description 1
- 238000001172 liquid--solid extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a solid phase extraction device, which comprises a fixing frame, wherein the fixing frames are respectively and fixedly connected to the front side and the rear side of a vacuum box body; the solid-phase extraction column limiting piece is respectively in threaded connection with the side faces of the fixing frame at the front side and the rear side, and comprises a first stud, a first connecting head, a first connecting plate, a first sliding rod and a limiting ring; the through hole plugging piece is in threaded connection with the side face of the fixing frame at the front side, and comprises a second stud, a second connector, a second connecting plate, a second sliding rod and a plugging cover. Through the setting of solid phase extraction post locating part, can carry out spacingly to the solid phase extraction post that the top is connected, promoted the stability that the solid phase extraction post is connected to through the setting of through-hole shutoff piece, can carry out the shutoff to unused through-hole, can avoid dust or impurity to get into the inside of vacuum box.
Description
Technical Field
The utility model relates to the field of extraction devices, in particular to a solid phase extraction device.
Background
Solid phase extraction is a sample pretreatment technology developed in the middle of eighties, and is developed by combining liquid-solid extraction and liquid chromatography, and is mainly used for separating, purifying and concentrating samples, such as patent application number: 201120208520.3, a solid phase extraction device is disclosed, comprising: the solid phase extraction post, vacuum box, vacuum box apron, bleed pipeline, test tube, vacuum pump, this solid phase extraction device still includes: one end of the hollow sleeve is movably connected with the solid phase extraction column, and the other end of the hollow sleeve extends into a test tube in the vacuum box. The method has the following advantages: when in use, the hollow sleeve is only required to be inserted into the cover plate of the vacuum box and extend into the test tube, and the solid phase extraction column is inserted into the through hole at the other end. When the second sample is extracted, only the hollow sleeve is pulled out and cleaned, the whole vacuum box cover plate is not required to be taken down and cleaned, and the vacuum box cover plate is heavy and inconvenient to clean. The effect of cross contamination during the replacement of different solid phase extraction columns can be prevented in reality by arranging the hollow sleeve between the solid phase extraction columns and the vacuum box, and the structure is simple to realize, low in cost and convenient to use.
However, this patent still suffers from the following drawbacks: once the solid phase extraction column connected above is impacted by other objects, the displacement is easy to generate, the stability is poor, and dust or impurities in the air easily enter the vacuum box body from unused through holes.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings of the prior art, it is desirable to provide a solid phase extraction device that improves the stability of the connection of the solid phase extraction column and also prevents dust or impurities from entering the interior of the vacuum box.
According to the technical scheme provided by the embodiment of the utility model, the solid-phase extraction device comprises a fixing frame, wherein the fixing frames are respectively and fixedly connected to the front side and the rear side of a vacuum box body; the side face of the fixing frame is fixedly connected with a rib plate, the solid-phase extraction column limiting piece is respectively connected with the side face of the fixing frame in a threaded manner, and the solid-phase extraction column limiting piece comprises a first stud, a first connecting joint, a first connecting plate, a first sliding rod and a limiting ring; the side of the fixing frame on the front side and the rear side is fixedly provided with a first screw sleeve and a first sliding sleeve, the first stud is in screw connection with the first screw sleeve, the first sliding rod is in sliding connection with the first sliding sleeve, the first connecting head is assembled at one end of the first stud through a first bearing, the first connecting plate is arranged below the first connecting head through a first countersunk screw, the first connecting plate is fixedly connected with the end part of the first sliding rod, the limiting ring is arranged at the side of the first connecting head through a first countersunk screw, the side of the limiting ring is fixedly connected with a first additional block, the side of the limiting ring is adhered with a silica gel pad, the limiting ring is respectively positioned on the front side and the rear side of the solid-phase extraction column, the through hole plugging piece is in screw connection with the side of the fixing frame, the through hole plugging piece comprises a second stud, a second connector, a second connecting plate, a second sliding rod and a plugging cover, the side of the fixing frame is fixedly provided with a second screw sleeve and a second countersunk screw, the second end part is fixedly connected with the second stud and the second end part of the second stud, the bottom surface of the plugging cover is contacted with the top surface of the vacuum box cover plate.
In summary, the utility model has the following beneficial effects: through the setting of solid phase extraction post locating part, can carry out spacingly to the solid phase extraction post that the top is connected, promoted the stability that the solid phase extraction post is connected to through the setting of through-hole shutoff piece, can carry out the shutoff to unused through-hole, can avoid dust or impurity to get into the inside of vacuum box.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the connection of the front side fixing frame, the solid phase extraction column limiting piece and the through hole plugging piece;
FIG. 3 is a schematic top view of the joint of the first connector and the stop collar of the present utility model;
fig. 4 is a schematic top view of the joint between the second connector and the plugging cover.
Reference numerals in the drawings: 10. a solid phase extraction column; 30. a vacuum box cover plate; 40. a vacuum box body; 100. a fixing frame; 101. a solid phase extraction column limiting piece; 102. a first stud; 103. a first connector; 104. a first connection plate; 105. a first slide bar; 106. a limiting ring; 107. a through hole blocking member; 108. a second stud; 109. a second connector; 110. a second connecting plate; 111. a second slide bar; 112. and (5) a plugging cover.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, 2 and 3, the front and rear sides of the fixing frame 100 are fixedly provided with a first screw sleeve and a first sliding sleeve, the first stud 102 is screwed with the first screw sleeve, and the first sliding rod 105 is slidably connected with the first sliding sleeve, so that the connection of the solid phase extraction column limiting part 101 is facilitated. The first connecting head 103 is assembled at one end of the first stud 102 through a first bearing, the first connecting plate 104 is installed below the first connecting head 103 through a first countersunk head screw, and the first connecting plate 104 is fixedly connected with the end part of the first sliding rod 105.
As shown in fig. 1, 2 and 3, the limiting ring 106 is mounted on the side surface of the first connector 103 through a first countersunk head screw, and a first additional block is fixedly connected to the side surface of the limiting ring 106, so that the limiting ring 106 is conveniently connected with the first connector 103, and a silica gel pad is adhered to the side surface of the limiting ring 106. The side of the front side of the fixing frame 100 is fixedly provided with a second screw sleeve and a second sliding sleeve, the second stud 108 is in screw connection with the second screw sleeve, and the second sliding rod 111 is in sliding connection with the second sliding sleeve, so that the connection of the through hole plugging piece 107 is facilitated.
As shown in fig. 1, 2 and 4, the second connecting plate 109 is assembled at one end of the second stud 108 through a second bearing, the second connecting plate 110 is installed above the second connecting plate 109 through a second countersunk head screw, and the second connecting plate 110 is fixedly connected with an end of the second sliding rod 111. The plugging cover 112 is mounted on the side surface of the second connector 109 through a second countersunk head screw, and a second additional block is fixedly connected to the side surface of the plugging cover 112, so that the plugging cover 112 is conveniently connected with the second connector 109, and handles are welded at the other end of the first stud 102 and the other end of the second stud 108, so that the first stud 102 and the second stud 108 can be conveniently rotated.
As shown in fig. 1, 2, 3 and 4, the side surface of the fixing frame 100 is fixedly connected with rib plates, so as to improve the firmness of the fixing frame 100, the limiting rings 106 are respectively located at the front side and the rear side of the solid phase extraction column 10, and the bottom surface of the plugging cover 112 is contacted with the top surface of the vacuum box cover plate 30.
When in use, the utility model is characterized in that: the solid-phase extraction column 10 is connected above the hollow sleeve, the upper handle is rotated, the first stud 102 of the solid-phase extraction column limiting part 101 is driven to rotate, the first stud 102 drives the first connector 103 and the limiting ring 106 to move, the solid-phase extraction column 10 is clamped, the solid-phase extraction column 10 is limited, the solid-phase extraction column 10 is not easy to displace, the stability of connection of the solid-phase extraction column 10 is improved, then the lower handle is rotated, the second stud 108 of the through hole blocking part 107 is driven to rotate, the second stud 108 drives the second connector 109 and the blocking cover 112 to move, the blocking cover 112 is driven to move to the upper side of an unused through hole, and dust or impurities can be prevented from entering the vacuum box body 40.
The above description is only illustrative of the preferred embodiments of the utility model and the technical principles employed. Meanwhile, the scope of the utility model is not limited to the technical scheme formed by the specific combination of the technical features, and other technical schemes formed by any combination of the technical features or the equivalent features thereof without departing from the inventive concept are also covered. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.
Claims (8)
1. A solid phase extraction device is characterized in that: comprises a fixing frame (100), wherein the fixing frames (100) are respectively and fixedly connected to the front side and the rear side of a vacuum box body (40);
the solid-phase extraction column limiting piece (101), the solid-phase extraction column limiting piece (101) is respectively connected with the side face of the fixing frame (100) in a threaded manner at the front side and the rear side, and the solid-phase extraction column limiting piece (101) comprises a first stud (102), a first connecting head (103), a first connecting plate (104), a first sliding rod (105) and a limiting ring (106);
the through hole plugging piece (107), through hole plugging piece (107) spiro union is in the front side the side of mount (100), through hole plugging piece (107) include second double-screw bolt (108), second connector (109), second connecting plate (110), second slide bar (111) and shutoff lid (112).
2. The solid phase extraction device according to claim 1, wherein: the side of the fixing frame (100) at the front side and the rear side is fixedly provided with a first screw sleeve and a first sliding sleeve, the first screw bolt (102) is in screw connection with the first screw sleeve, and the first sliding rod (105) is in sliding connection with the first sliding sleeve.
3. The solid phase extraction device according to claim 1, wherein: the first connecting head (103) is assembled at one end of the first stud (102) through a first bearing, the first connecting plate (104) is installed below the first connecting head (103) through a first countersunk head screw, and the first connecting plate (104) is fixedly connected with the end part of the first sliding rod (105).
4. The solid phase extraction device according to claim 1, wherein: the limiting ring (106) is installed on the side face of the first connecting head (103) through a first countersunk head screw, a first additional block is fixedly connected to the side face of the limiting ring (106), and a silica gel pad is bonded to the side face of the limiting ring (106).
5. The solid phase extraction device according to claim 1, wherein: the side of the fixing frame (100) at the front side is fixedly provided with a second screw sleeve and a second sliding sleeve, the second stud (108) is in screw connection with the second screw sleeve, and the second sliding rod (111) is in sliding connection with the second sliding sleeve.
6. The solid phase extraction device according to claim 1, wherein: the second connector (109) is assembled at one end of the second stud (108) through a second bearing, the second connecting plate (110) is installed above the second connector (109) through a second countersunk head screw, and the second connecting plate (110) is fixedly connected with the end part of the second sliding rod (111).
7. The solid phase extraction device according to claim 1, wherein: the plugging cover (112) is installed on the side face of the second connector (109) through a second countersunk head screw, a second additional block is fixedly connected to the side face of the plugging cover (112), and handles are welded at the other end of the first stud (102) and the other end of the second stud (108).
8. The solid phase extraction device according to claim 1, wherein: the side of mount (100) fixedly connected with floor, spacing ring (106) are located the front and back side of solid phase extraction post (10) respectively, the bottom surface of shutoff lid (112) and the top surface of vacuum box apron (30) contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804439.0U CN220424607U (en) | 2023-07-11 | 2023-07-11 | Solid phase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804439.0U CN220424607U (en) | 2023-07-11 | 2023-07-11 | Solid phase extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220424607U true CN220424607U (en) | 2024-02-02 |
Family
ID=89698865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321804439.0U Active CN220424607U (en) | 2023-07-11 | 2023-07-11 | Solid phase extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220424607U (en) |
-
2023
- 2023-07-11 CN CN202321804439.0U patent/CN220424607U/en active Active
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