CN214437162U - Centrifugal filtering device for food detection - Google Patents
Centrifugal filtering device for food detection Download PDFInfo
- Publication number
- CN214437162U CN214437162U CN202120220218.3U CN202120220218U CN214437162U CN 214437162 U CN214437162 U CN 214437162U CN 202120220218 U CN202120220218 U CN 202120220218U CN 214437162 U CN214437162 U CN 214437162U
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- Prior art keywords
- tube
- filter
- centrifuge
- gland
- centrifugal
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- 238000001914 filtration Methods 0.000 title claims abstract description 22
- 235000013305 food Nutrition 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title claims description 12
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 18
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000021067 refined food Nutrition 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a centrifugal filter device for food detects, including centrifuge, the last centrifuging tube of installing of centrifuge, be provided with the filter membrane in the centrifuging tube, the filter membrane respectively sets for the distance with the top and the bottom of centrifuging tube, penetrating filter tube about the intraductal cover of centrifuge is equipped with, the lateral wall of filter tube is provided with a plurality of filtration pores, the filter tube is located the filter membrane top, the centrifuging tube top is connected with the gland, the gland is located the filter tube top, the centrifuging tube bottom is provided with the jam. The device can effectively reduce the filtration time, avoids the condition of incomplete filtration, and improves the filtration efficiency.
Description
Technical Field
The utility model relates to a food detection technology field specifically is a centrifugal filter for food detects.
Background
The food safety problem directly concerns life safety of common people, and is one of the problems generally concerned by all the social circles. The food safety detection is to detect harmful substances in food according to national indexes, the related varieties are mainly animal-source food, plant-source food and processed food, the contained components are complex, substances interfering the measurement are numerous, the content of target analytes is very low, and in order to ensure the accuracy of the detection result, a sample needs to be processed before detection.
The factors involved in the pretreatment of the sample are many, and the precondition for accurate food safety analysis results is provided. Centrifugation and filtration are essential steps in most sample testing processes. In the existing food detection process, most experimenters pour the centrifuged solution into a funnel filled with filter paper for filtration, and the process mainly has the following defects: 1. the sample flows through the filter paper under the action of gravity, the filtering speed is slow, and the time consumption is long; 2. when the fat content in the sample matrix is higher, the filter paper is easy to block; 3. when the proportion of the organic solvent in the sample extracting solution is high, the organic solvent is easy to volatilize and pollutes the environment.
Disclosure of Invention
Not enough to prior art, the utility model provides a centrifugal filter for food detects effectively reduces the filter time, avoids filtering the not thorough condition, improves filtration efficiency, can the effectual problem that the solution background art provided.
The utility model provides a centrifugal filter device for food detects, includes centrifuge, install the centrifuging tube on the centrifuge, be provided with the filter membrane in the centrifuging tube, the filter membrane respectively sets for the distance with the top and the bottom of centrifuging tube, penetrating filter tube about the centrifuge tube endotheca is equipped with, the lateral wall of filter tube is provided with a plurality of filtration pores, the filter tube is located the filter membrane top, the centrifuging tube top is connected with the gland, the gland is located the filter tube top, the centrifuging tube bottom is provided with the jam.
Preferably, be provided with annular boss in the centrifuging tube, be provided with a plurality of through-holes on the cross section of annular boss, the appearance of filter membrane with the boss cooperation is connected, be provided with the clamping ring between filter membrane and the filter tube.
Preferably, the medial surface of boss is provided with the internal thread, filter tube and centrifuging tube threaded connection.
Preferably, the gland lower extreme is provided with the recess, the top and the recess cooperation of centrifuging tube.
Preferably, the side face of the gland is provided with an external thread, and the gland is in threaded connection with the centrifugal tube.
The utility model has the advantages that:
1. the utility model discloses the filter tube of filter hole, bottom area filter membrane is crossed to side wall area of endotheca in the centrifuging tube, accelerates liquid filtration's efficiency through centrifugal action.
2. The filter membrane passes through the clamping ring to be connected with the boss in the centrifuge tube, and detachable structure conveniently washes.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a perspective sectional view of the present invention;
in the figure, 1, a gland, 2, a filter tube, 3, a centrifuge tube, 3-1, a through hole, 3-2, a boss, 4, a filter membrane, 5, a pressure ring, 6, a centrifuge, 7 and a plug are arranged.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it should be understood that the terms "inside", "outside", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The utility model discloses a centrifugal filter for food detection as shown in fig. 1-3, centrifuge 6 is conventional centrifuge, installs centrifuging tube 3 on centrifuge, and the mid portion of this centrifuging tube sets up round boss 3-2 on the inner wall, and penetrating through-hole 3-1 about the boss is provided with, with the space intercommunication with boss upper portion and lower part, the cross section of boss is the notch cuttype, installs filter membrane 4 in bottommost ladder department and boss cooperation, sets up a plurality of filtration pores on this filter membrane. And a compression ring 5 is arranged above the filter membrane in a matching way with the boss and used for compressing the filter membrane on the boss. The boss inner wall processing internal thread of clamping ring top is fixed with the external screw thread cooperation of the below lateral wall of filter tube 2 with the filter tube. The lateral wall of filter tube sets up a plurality of filtration pores, and the external diameter of filter tube is less than the inner wall of centrifuging tube, and the space between filter tube and the centrifuging tube is used for holding the solution after filtering. At centrifuging tube top inside wall processing internal thread, realize the temporary sealing of centrifuging tube with the external screw-thread fit on 1 lateral wall of gland, the gland lower extreme still sets up the recess, and this recess and filter tube upper end cooperation are fixed the filter tube in the mid portion with the boss of below together. Set up the shoulder hole in the bottom of centrifuging tube, the shoulder hole cooperation is provided with and blocks up 7, and the cross-section of this jam is for falling T type structure, can strengthen the leakproofness, prevents the weeping. Sealing gaskets are arranged at the joint of the plug and the centrifugal tube and the joint of the gland and the centrifugal tube.
When the device is used, a filter membrane and a filter pipe with proper pore diameters are selected according to filtering requirements and are filled into the centrifugal pipe, the solution stock solution is poured into the filter pipe, the gland is changed, the centrifugal pipe is installed on the centrifugal machine, the centrifugal machine is started, the filtering function is realized during centrifugation, the filtering efficiency is improved, the filtering process is closed, and pollution cannot be caused. And (5) after filtering, taking down the centrifugal tube, unscrewing the plug 7, and pouring the filtrate into a specified container. And unscrewing the gland, unscrewing the filter pipe, taking out the filter membrane, and detachably cleaning the filter pipe for recycling. The filter tube and the centrifuge tube are made of PP materials, and are safe and easy to clean.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a centrifugal filter device for food detects, a serial communication port, includes centrifuge, the last centrifuging tube of installing of centrifuge, be provided with the filter membrane in the centrifuging tube, the filter membrane respectively sets for the distance with the top and the bottom of centrifuging tube, penetrating filter tube about the intraductal cover of centrifuge is equipped with, the lateral wall of filter tube is provided with a plurality of filtration pores, the filter tube is located the filter membrane top, the centrifuging tube top is connected with the gland, the gland is located the filter tube top, the centrifuging tube bottom is provided with the jam.
2. The centrifugal filter device for food detection as recited in claim 1, wherein an annular boss is disposed in the centrifuge tube, a plurality of through holes are disposed on a cross section of the annular boss, the filter membrane is connected with the boss in a matching manner, and a press ring is disposed between the filter membrane and the filter tube.
3. The centrifugal filter device for food detection as recited in claim 2, wherein the inner side surface of the boss is provided with an internal thread, and the filter tube is in threaded connection with the centrifuge tube.
4. The centrifugal filter device for food detection as claimed in claim 1, wherein the lower end of the gland is provided with a groove, and the top end of the centrifugal tube is matched with the groove.
5. The centrifugal filter device for food detection as recited in claim 1, wherein the side of the gland is provided with external threads, and the gland is in threaded connection with the centrifuge tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120220218.3U CN214437162U (en) | 2021-01-27 | 2021-01-27 | Centrifugal filtering device for food detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120220218.3U CN214437162U (en) | 2021-01-27 | 2021-01-27 | Centrifugal filtering device for food detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214437162U true CN214437162U (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120220218.3U Expired - Fee Related CN214437162U (en) | 2021-01-27 | 2021-01-27 | Centrifugal filtering device for food detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214437162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602234A (en) * | 2022-03-09 | 2022-06-10 | 厦门信道生物技术有限公司 | Fractional separation filter device |
| CN117928647A (en) * | 2024-01-26 | 2024-04-26 | 中贸联衡科技发展(北京)有限公司 | Automatic quality detection method and system for food processing production line |
-
2021
- 2021-01-27 CN CN202120220218.3U patent/CN214437162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602234A (en) * | 2022-03-09 | 2022-06-10 | 厦门信道生物技术有限公司 | Fractional separation filter device |
| CN117928647A (en) * | 2024-01-26 | 2024-04-26 | 中贸联衡科技发展(北京)有限公司 | Automatic quality detection method and system for food processing production line |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |