CN211725821U - A centrifuging tube for pesticide residue detects pretreatment - Google Patents
A centrifuging tube for pesticide residue detects pretreatment Download PDFInfo
- Publication number
- CN211725821U CN211725821U CN201921721669.4U CN201921721669U CN211725821U CN 211725821 U CN211725821 U CN 211725821U CN 201921721669 U CN201921721669 U CN 201921721669U CN 211725821 U CN211725821 U CN 211725821U
- Authority
- CN
- China
- Prior art keywords
- pesticide residue
- tube
- pretreatment
- pipe
- filter cake
- 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
Images
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model relates to a technical field that pesticide residue detected, more specifically relates to a centrifuging tube that is used for pesticide residue to detect pretreatment. The utility model provides a centrifuging tube for pesticide residue detects pretreatment, wherein, includes the body, locates the tube cap on body upper portion, the body inside be equipped with interior filter cake. The utility model is suitable for a pesticide residue pretreatment analysis can shorten the pretreatment time, and the operation is washd conveniently, can make and draw and separate the purification operation and accomplish together. The operation steps are greatly simplified.
Description
Technical Field
The utility model relates to a technical field that pesticide residue detected, more specifically relates to a centrifuging tube that is used for pesticide residue to detect pretreatment.
Background
The extraction, separation and purification processes are key steps in the food detection process, the pretreatment process plays a key role in the food detection process, the separation and purification of agricultural products are key and difficult points in the rapid detection technology of pesticide multi-residue, liquid-liquid extraction, Soxhlet extraction and the like require a large amount of solvent, and are very harmful to the body health of operators. The new pretreatment technologies, such as supercritical fluid extraction, solid-phase microextraction, dispersion liquid microextraction, and QuEChERS, require relatively increased capital investment.
At present, common universal centrifuge tubes are available in the market, and utility model patents of a plurality of centrifuge tubes, such as CN201820146335, an anti-pollution centrifuge tube and CN201710231418, a liquid-separating centrifuge tube, have certain applicability. But the existing centrifugal tube design can not meet the pesticide residue detection and analysis.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least, provide a centrifuging tube that is used for pesticide residue to detect pretreatment, can be better local food detection and analysis.
The technical scheme of the utility model is that: the utility model provides a centrifuging tube for pesticide residue detects pretreatment, wherein, includes the body, locates the tube cap on body upper portion, the body inside be equipped with interior filter cake.
The utility model discloses in, the step of pesticide residue pretreatment is loaded down with trivial details, and the centrifugation is more time consuming, needs to shift many times and can make target compound have the loss, and the utility model discloses can effectively reduce the transfer loss to easy operation, save time reduces the harm that causes to personnel's health.
Further, the body include the body main part, body main part lower part be equipped with rather than dismantling the pipe lower part of being connected. The body main part is the main component part of centrifuging tube, and its inner wall has the arc arch, and interior filter cake accords with the body main part inner wall size of centrifuging tube. The lower part of the tube body main body is provided with a tube lower part detachably connected with the tube main body, and the detachable connection is convenient for taking out the lining tube.
Furthermore, the tube cover comprises an acting force part and a connecting part arranged at the lower part of the acting force part, and the connecting part is inserted into the cavity of the tube body main body; the pipe body main body is in threaded connection with the lower part of the pipe.
The utility model discloses in, effort portion is smooth all around, and the design radian is favorable to the application of force, and protects the finger and avoid wearing and tearing. The pipe cover and the pipe body are fixedly connected through the connecting portion, the threads matched with each other are arranged at the bottom of the outer wall of the pipe body and the inner wall of the lower portion of the pipe body, and the pipe cover and the pipe body are connected through the threads and are convenient to install and detach.
Furthermore, a baffle plate is arranged inside the inner filter cake.
The utility model discloses in, the inside baffle of interior filter cake enables extract and purifying agent increase the contact to extraction, purification and centrifugal operation have been accomplished to the high efficiency.
Furthermore, the inner filter cake is divided into an upper part and a lower part which are connected through a buckle. The utility model discloses in, interior filter cake is a plastics or the rubber preparation that has elasticity and forms. The mode of buckle connection makes two upper and lower parts installation dismantlement convenient.
The inner filter cake is tightly attached to the inner wall of the pipe. Light-proof aluminum foil paper can be added in the middle according to the needs, so that the requirements of some light-proof experiments are met.
Further, the upper part or the lower part of the inner filter cake comprises a circular surface structure and a cylinder structure fixed with the circular surface structure, and the buckle is arranged on the cylinder structure of the upper part or the lower part.
The utility model discloses in, the middle part is the cylinder structure after interior filter cake joint, and the upper and lower surface of cylinder structure is the round surface structure of outside hunch-up.
Furthermore, the circular surface structure is provided with a conical protruding part, and the height of the protruding part is 0.3-0.8 cm. The protruding part is provided with a through hole, and the diameter of the through hole is 0.4-0.5 mu m.
Preferably, the height of the protrusion is 0.5cm, and the diameter of the through-hole is 0.45. mu.m.
The utility model discloses in, interior filter cake is similar to hollow cylinder, and upper and lower disc evenly is covered with the high hollow coniform of 0.5cm and is protruding to evenly distributed is at 0.45 mu m's aperture on each coniform is protruding, the inside three baffle of labyrinth distribution of cylinder.
The height of the protruding part and the diameter of the through hole are reasonably designed, and the effects of extraction and separation can be achieved.
Furthermore, a lining pipe is arranged inside the pipe body. The lining pipe is made of cheap plastics and is disposable, so that the centrifugal pipe body is protected from being polluted conveniently.
Furthermore, the lower end of the lower part of the tube is also connected with a sucker base. The sucker base has the supporting effect.
Compared with the prior art, the beneficial effects are: the utility model is suitable for a pesticide residue pretreatment analysis can shorten the pretreatment time, and the operation is washd conveniently, can make and draw and separate the purification operation and accomplish together. The operation steps are greatly simplified.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the explosion structure of the present invention.
Fig. 3 is an overall sectional view of the present invention.
Fig. 4 is a schematic perspective view of the inner filter cake of the present invention.
Fig. 5 is a schematic view showing the inner filter cake of the present invention in a disassembled state.
Fig. 6 is a schematic view of the protrusion of the present invention.
Fig. 7 is a schematic view of the lining pipe of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1
As shown in figure 1, a centrifuging tube for pesticide residue detection pretreatment, wherein, including body 1, locate body 1 upper portion tube cap 6, body 1 is inside to be equipped with interior filter cake. The inner filter cake is located inside the tubular body 1 and is therefore not shown in the figures.
As shown in fig. 2, the pipe body 1 includes a pipe body 11, and a pipe lower portion 12 detachably connected to the lower portion of the pipe body 11. Body main part 11 is the main component part of centrifuging tube, and its inner wall has the arc protruding, and interior filter cake accords with the body main part 11 inner wall size of centrifuging tube. The lower part of the tube body 11 is provided with a tube lower part 12 which is detachably connected with the tube body and is convenient for taking out the lining tube.
And the lower extreme of pipe lower part 12 still connects sucking disc base 5, and sucking disc base 5 plays the effect of bearing, and the sucking disc base is convenient for place moreover, can dismantle as required.
The tube cover 6 comprises an acting part 61 and a connecting part 62 arranged at the lower part of the acting part 61, and the connecting part 62 is inserted into the cavity of the tube body 11; the tube body 11 is screwed to the tube lower portion 12.
In this embodiment, the acting force part 61 is smooth all around, and the design radian is favorable to the application of force, and the protection finger avoids wearing and tearing. The pipe cover 6 and the pipe body 11 are fixedly connected through the connecting portion 62, and the bottom of the outer wall of the pipe body 11 and the inner wall of the pipe lower portion 12 are provided with mutually matched threads, so that the pipe cover and the pipe body are convenient to install and detach through threaded interconnection.
As shown in figure 3, the inner filter cake 2 is internally provided with a baffle 7, and in the embodiment, the baffle 7 inside the inner filter cake can increase the contact between the extracting solution and the purifying agent, so that the operations of extraction, purification and centrifugation can be completed with high efficiency.
As shown in fig. 4 and 5, the inner filter cake 2 is divided into an upper part and a lower part, and the upper part and the lower part are connected through a buckle 23. The upper part or the lower part of the inner filter cake 2 comprises a round surface structure 21 and a cylinder structure 22 fixed with the round surface structure 21, and a buckle 23 is arranged on the cylinder structure 22 of the upper part or the lower part.
In this embodiment, the inner filter cake 2 is made of elastic plastic or rubber. The mode of buckle connection makes two upper and lower parts installation dismantlement convenient. The inner filter cake 2 is tightly attached to the inner wall of the pipe. Light-proof aluminum foil paper can be added in the middle according to the needs, so that the requirements of some light-proof experiments are met. And the middle part of the inner filter cake 2 is of a cylindrical structure after being clamped, and the upper surface and the lower surface of the cylindrical structure are of circular surface structures arched outwards.
In this embodiment, the buckle 23 is located on the outer wall of the column structure 22 and the protrusion on the inner wall of the column structure in a mutually clamped manner, which is only one embodiment of this embodiment, and the protrusion may be located by combining with the groove or by other clamping manners, and the above-mentioned embodiments are within the protection scope of the present invention.
As shown in FIG. 6, the circular surface structure is provided with a conical protrusion 3, and the height of the protrusion 3 is 0.3-0.8 cm. The protrusion 3 is provided with a through hole having a diameter of 0.4 to 0.5 μm. Preferably, the height of the protrusion is 0.5cm, and the diameter of the through-hole is 0.45. mu.m.
In the embodiment, the inner filter cake is similar to a hollow cylinder, the upper and lower circular surfaces are uniformly distributed with hollow conical protrusions with the height of 0.5cm, small holes with the diameter of 0.45 mu m are uniformly distributed on each conical protrusion, and three baffles are distributed in the cylinder in an intricate manner.
The height of the protruding part and the diameter of the through hole are reasonably designed, and the effects of extraction and separation can be achieved.
As shown in fig. 7, an inner liner tube 4 is further provided inside the tube body. The lining tube is made of cheap plastics and is disposable, so that the centrifugal tube body is protected from being polluted conveniently, and the centrifugal tube is convenient to clean.
According to the requirements of treating different samples, different purifying agents can be added in the middle, thereby achieving the effects of extraction, separation and purification.
The specific steps of this example are as follows:
the bottom of the centrifugal pipe is disassembled, the lining pipe is placed at the lower part of the pipe, and then the bottom is connected;
weighing a prepared uniform sample, putting the weighed sample into the centrifuge tube, and adding an extraction solvent;
opening the inner filter cake, adding a required purifying agent, and then buckling;
and (3) putting the treated inner filter cake into a centrifugal tube, covering a centrifugal tube cover, starting oscillation, and finishing pretreatment steps such as extraction, purification, centrifugation and the like in the oscillation process.
Due to the structural design of the inner filter cake, in the oscillation process, the collision friction is increased by the protrusions on the inner filter cake, the extraction efficiency is increased, and the baffle inside the inner filter cake can also enable the extracting solution to be in contact with the purifying agent, so that the extraction, purification and centrifugation operations are efficiently completed.
Example 2
In this embodiment, the tube is covered with an interlayer for placing a label. The rest of the structure and the operation principle of this embodiment are the same as those of embodiment 1, and will not be described here.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The centrifuge tube for the pretreatment of pesticide residue detection is characterized by comprising a tube body (1) and a tube cover (6) arranged at the upper part of the tube body (1), wherein an inner filter cake (2) is arranged inside the tube body (1);
the pipe body (1) comprises a pipe body main body (11), and a pipe lower part (12) detachably connected with the pipe body main body (11) is arranged on the lower part of the pipe body main body (11).
2. The centrifuge tube for the pretreatment of pesticide residue detection according to claim 1, wherein the centrifuge tube comprises: the pipe cover (6) comprises an acting force part (61) and a connecting part (62) arranged at the lower part of the acting force part (61), and the connecting part (62) is inserted into the cavity of the pipe body main body (11); the pipe body main body (11) is in threaded connection with the pipe lower part (12).
3. The centrifuge tube for the pretreatment of pesticide residue detection according to claim 1, wherein the centrifuge tube comprises: the inner part of the inner filter cake (2) is provided with a baffle (7).
4. The centrifuge tube for the pre-treatment of pesticide residue detection according to claim 3, wherein: the inner filter cake (2) is divided into an upper part and a lower part which are connected through a buckle (23).
5. The centrifuge tube for the pre-treatment of pesticide residue detection according to claim 4, wherein: the upper part or the lower part of the inner filter cake (2) comprises a round surface structure (21) and a cylinder structure (22) fixed with the round surface structure (21), and the buckle (23) is arranged on the cylinder structure (22) of the upper part or the lower part.
6. The centrifuge tube for the pre-treatment of pesticide residue detection according to claim 5, wherein: the circular surface structure (21) is provided with a conical protruding part (3), and the height of the protruding part (3) is 0.3-0.8 cm.
7. The centrifuge tube for the pre-treatment of pesticide residue detection according to claim 6, wherein: the protrusion (3) is provided with a through hole, and the diameter of the through hole is 0.4-0.5 μm.
8. The centrifuge tube for the pretreatment of pesticide residue detection according to any one of claims 1 to 7, wherein: an inner lining pipe (4) is also arranged in the pipe body (1).
9. The centrifuge tube for the pretreatment of pesticide residue detection according to any one of claims 1 to 7, wherein: the lower end of the lower part (12) of the tube is also connected with a sucker base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721669.4U CN211725821U (en) | 2019-10-14 | 2019-10-14 | A centrifuging tube for pesticide residue detects pretreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721669.4U CN211725821U (en) | 2019-10-14 | 2019-10-14 | A centrifuging tube for pesticide residue detects pretreatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211725821U true CN211725821U (en) | 2020-10-23 |
Family
ID=72849788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721669.4U Active CN211725821U (en) | 2019-10-14 | 2019-10-14 | A centrifuging tube for pesticide residue detects pretreatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211725821U (en) |
-
2019
- 2019-10-14 CN CN201921721669.4U patent/CN211725821U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE405335T1 (en) | METHOD AND APPARATUS FOR SEPARATING FIBRIN MONOMER FROM BLOOD PLASMA | |
| WO2010035709A1 (en) | Centrifugal separation container | |
| EP2139600A1 (en) | Apparatus and method for recovering fluid from a fluid absorbing element | |
| EP2524728B1 (en) | Apparatus for securely processing biological sample | |
| CN211725821U (en) | A centrifuging tube for pesticide residue detects pretreatment | |
| EP3593882B1 (en) | Filter device and use thereof in solid sample pretreatment for food safety testing | |
| AU2010100372A4 (en) | Apparatus for separating solid particles in liquids using multiple cyclones | |
| JP2010127708A (en) | Centrifugal separation vessel and centrifugal separation method | |
| CN107930867A (en) | A kind of quickly discharging material device used for solid-liquid centrifugation machine | |
| CN205253381U (en) | Centrifugal filtering pipe | |
| US20150196905A1 (en) | Centrifugable liquid vessel integrating a magnetic-bead separation-device | |
| KR20130009756A (en) | Disposable polymer-structured filtering kit | |
| EP0971231A1 (en) | Blood collecting tube and method of isolation of serum and blood plasma using the tube | |
| ZA987955B (en) | Centrifugal separation apparatus | |
| CN202555035U (en) | Laboratorial leaching device with convenient operation | |
| CN204656100U (en) | For the pressure filter that fabric fibre detects | |
| US20070160499A1 (en) | Fixture for centrifuging a fluid-containing flexible vessel | |
| CN205570370U (en) | Medical centrifuging tube that even covers | |
| CN218608236U (en) | Placenta tissue filtrating collection device | |
| CN216440873U (en) | Centrifugal sleeve | |
| CN211836439U (en) | Extraction liquid-separating tube | |
| CN217188373U (en) | Plant detects with extract centrifugal separation device | |
| CN210826105U (en) | Kitchen grease strainer | |
| CN213494324U (en) | Inner sleeve type blood collection tube | |
| CN202538810U (en) | Multi-functional centrifugal tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |