CN220385915U - Magnetic suction type suction filtration funnel with reinforced filter screen structure - Google Patents
Magnetic suction type suction filtration funnel with reinforced filter screen structure Download PDFInfo
- Publication number
- CN220385915U CN220385915U CN202321888259.5U CN202321888259U CN220385915U CN 220385915 U CN220385915 U CN 220385915U CN 202321888259 U CN202321888259 U CN 202321888259U CN 220385915 U CN220385915 U CN 220385915U
- Authority
- CN
- China
- Prior art keywords
- funnel
- filter screen
- guide ring
- filter plate
- base body
- 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
- 238000000967 suction filtration Methods 0.000 title claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005389 magnetism Effects 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000012864 cross contamination Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 3
- 239000011162 core material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
Abstract
The utility model provides a magnetic suction type suction filtration funnel with a reinforced filter screen structure, which comprises a funnel base body, a support filter plate, a filter screen, a funnel and a suction cup, wherein a blanking pipe is arranged at the axis position of the funnel base body in a penetrating way, the blanking pipe extends downwards out of the funnel base body, an annular groove is formed in the inner wall of the funnel base body, the support filter plate is arranged in the annular groove, the filter screen is arranged on the upper surface of the support filter plate, an air guide ring is arranged at the upper end of the funnel base body, the funnel is connected with the upper end of the air guide ring in a magnetic suction way, the funnel is communicated with the blanking pipe, and the suction cup is arranged at the joint of the lower end of the air guide ring and the blanking pipe. The utility model adopts a macroporous support filter plate and a filter screen structure, can replace a sand core filter plate, is not easy to break, is not easy to mould, has no cross contamination, can ensure the normal filtration rate, and can completely meet the requirements of the environmental field on the water sample filtration of the soluble metal element on site.
Description
Technical Field
The utility model relates to the technical field of suction filtration equipment, in particular to a magnetic suction filtration funnel with a reinforced filter screen structure.
Background
The vacuum filtration refers to a method of accelerating filtration by utilizing negative pressure caused by air suction, and a suction filtration bottle is connected with a vacuum pump. The filter flask is placed on the filter flask and is filtered, at the moment, the vacuum pump starts to exhaust, so that the air pressure in the filter flask is reduced, if solutions exist in the funnel, the solutions can flow into the filter flask through the filter membrane under the action of atmospheric pressure and gravity, and residual solids are left on the filter membrane, so that the purpose of filtering is achieved.
The suction filter funnel is a device used by the vacuum suction filter device. In a laboratory, a suction filtration funnel is often used for a large amount of solid-liquid separation, in the suction filtration process, a layer of filter membrane is required to be paved on the funnel, then a solid-liquid mixture is poured into the funnel, a vacuum pump is used for pumping, so that negative pressure is formed at the outlet of the funnel, liquid flows out through the filter membrane, and solid substances are reserved on the filter membrane, so that the solid-liquid separation is formed.
At present, most of filter funnels of portable vacuum suction filtration devices in the market adopt sand core filter plates as support of filter membranes. The sand core filter plate has the following disadvantages:
1. is easy to break;
2. the tiny particles cannot be cleaned and can grow mildew after entering the filter plate;
3. the sand core filter plate has the function of water absorption and is easy to cross-pollute;
4. as a pretreatment for soluble metal element analysis, the sand core filter plate itself contains a large amount of metal elements, which can cause sample contamination.
Meanwhile, the suction filter funnel of the portable vacuum suction filter device in the market at present adopts a hinge structure to fix the upper part and the lower part of the funnel through screws, the screw is required to be unscrewed firstly to open the funnel in the actual operation process, then a filter membrane is additionally arranged, and then the screw is screwed, so that the operation is complex.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a magnetic suction type suction filter funnel with a reinforced filter screen structure.
The technical scheme adopted by the utility model is as follows: the utility model provides a take magnetism of strengthening filter screen structure to inhale formula suction filtration funnel, includes funnel base member, supports filter plate, filter screen, funnel and sucking disc, the axle center position of funnel base member is run through and is provided with the unloading pipe, and the unloading pipe downwardly extending is the funnel base member, the ring channel has been seted up on the funnel base member inner wall, support the filter plate and install in the ring channel, the filter screen setting is at the upper surface of supporting the filter plate, and it has a plurality of micropores to open on the filter screen, the upper end of funnel base member is provided with an air guide ring, and the air guide ring encircles the periphery that sets up at the funnel base member and forms confined space, the funnel is accepted in the upper end of air guide ring, and the funnel is connected through magnetism with the air guide ring, and the funnel is linked together with the unloading pipe, the sucking disc sets up the junction at air guide ring lower extreme and unloading pipe.
Further, the support filter plate is in a disc shape, and a honeycomb through hole penetrating up and down is formed in the support filter plate.
Further, the diameter of the through hole is 1-2cm.
Further, a magnet is arranged at the top end of the air guide ring, a protruding connecting ring is arranged at the bottom end of the funnel, the size of the connecting ring is matched with that of the air guide ring, the magnet is also arranged on the connecting ring, and the magnetism of the two magnets is reversely arranged.
Further, a sealing ring is arranged at the lower end of the connecting ring, an annular groove is formed in the inner wall of the funnel base body, and the sealing ring is inserted into the annular groove and abuts against the edge in the annular groove.
Further, the left and right ends of the air guide ring are respectively provided with an air extraction opening and a pressure relief opening, the air extraction opening and the pressure relief opening are both communicated with the air guide ring, the pressure relief opening is provided with a pressure relief cap, and the air extraction opening is connected with the vacuumizing pump through a rubber pipe.
Compared with the prior art, the method has the following advantages:
1. the traditional funnel is generally fixed through a hinge and a screw, the funnel is required to be opened by unscrewing the screw, then a filter membrane is additionally arranged, and then the screw is screwed down for fixation. The operation of fastening the funnel and replacing the filter membrane is inconvenient, the upper part and the lower part of the magnetic suction funnel are completely separated, and the magnetic suction funnel can be operated by one hand through magnetic fixation.
2. The adoption of the macroporous support filter plate and the filter screen structure can replace a sand core filter plate, the support filter plate and the filter screen are not easy to break, mould, cross contamination and pollution caused by sand core materials are avoided, and the requirement of the environmental field on filtering of water samples on the soluble metal elements can be completely met.
3. The suction cup structure is adopted, so long as the size of the bottle mouth is within the size of the suction cup, the suction filter can be applied to the funnel, and the funnel is very convenient.
Drawings
FIG. 1 is a schematic diagram of a magnetic suction type suction filter funnel with a reinforced filter screen structure;
fig. 2 is an exploded view of the magnetic suction type suction filter funnel with the reinforced filter screen structure.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and the embodiments and features in the embodiments in the present application may be combined with each other without conflict, and the present utility model will be described in detail below with reference to the drawings and with reference to the embodiments.
As shown in fig. 1 and 2, the magnetic suction type filter funnel with the reinforced filter screen structure comprises a funnel base body 1, a support filter plate 2, a filter screen 3, a funnel 4 and a suction cup 5, wherein a blanking pipe 11 is arranged at the axis position of the funnel base body 1 in a penetrating way, the blanking pipe 11 downwards extends out of the funnel base body 1, an annular groove 13 for installing the support filter plate 2 is formed in the inner wall of the funnel base body 1, the support filter plate 2 is arranged in the annular groove 13, the support filter plate 2 is in a disc shape, a honeycomb through hole penetrating up and down is formed in the support filter plate 2, the diameter of the through hole is 1-2cm, the filter screen 3 is arranged on the upper surface of the support filter plate 2, a plurality of micropores are formed in the filter screen 3, the diameter of the through hole is far larger than the diameter of the micropores, the support filter plate 2 plays a supporting role on the filter screen 3, and the filter screen 2 can provide enough support by adopting a mode that macropores are combined with the filter screen, the filter screen can not be influenced, and liquid in the funnel 4 flows through the through holes on the support filter plate 2 after passing through the filter screen 3, and flows out of the blanking pipe 11, so that the filter rate is improved; the supporting filter plate 2 and the filter screen 3 are both made of plastic materials, are not easy to crush and contain no metal element, are easy to clean and do not go moldy, and the supporting filter plate 2 is adopted to match with the filter screen 3 in a structure, so that if the filter screen 3 is only adopted to support the filter screen, the strength of the filter screen 3 is insufficient, the filter screen is easy to deform, the filter screen is broken, if the filter screen is only supported by the fine pore filter plate, the pore ratio is smaller, the effective filtering area of the filter screen is reduced, the filtering speed is affected, the contradiction between insufficient strength and insufficient filtering efficiency can be effectively solved by adopting the large pore supporting filter plate 2 structure, the filter screen can be supported, the filtering efficiency is improved, the filter screen is not fragile, and the filter screen is not brought into pollution.
The upper end of the funnel base body 1 is provided with an air guide ring 12, the air guide ring 12 is arranged around the periphery of the funnel base body 1 to form a closed space, the funnel 4 is received at the upper end of the air guide ring 12, the funnel 4 is communicated with the blanking pipe 11, the funnel 4 is connected with the air guide ring 12 in a magnetic attraction mode, the concrete structure is that the top end of the air guide ring 12 is provided with a magnet, the bottom end of the funnel 4 is provided with a raised connecting ring 41, the connecting ring 41 is matched with the air guide ring 12 in size, the connecting ring 41 is also provided with magnets, and the two magnets are arranged in a magnetic reverse mode, so that the air guide ring 12 and the funnel 4 can be quickly combined together; the lower end of the connecting ring 41 is provided with a sealing ring 42, and the sealing ring 42 is inserted into the annular groove 13 and abuts against the edge in the annular groove 13, so that the sealing between the gas ring 12 and the funnel 4 is realized.
The left and right ends of the air guide ring 12 are respectively provided with an extraction opening 121 and a pressure relief opening 122, the extraction opening 121 and the pressure relief opening 122 are both communicated with the air guide ring 13, the pressure relief opening 122 is provided with a pressure relief cap for opening and closing the pressure relief opening 122, the extraction opening 121 is connected with a vacuumizing pump through a rubber pipe and is used for vacuumizing the air guide ring 13, the sucker 5 is arranged at the joint of the lower end of the air guide ring 13 and the blanking pipe 11, the sucker 5 is used for adsorbing and bearing a bottle of the blanking pipe 11, during use, the pressure relief opening 122 is blocked by the pressure relief cap, the extraction opening 121 is connected with the vacuumizing pump through the rubber pipe and is vacuumized, negative pressure is formed in the air guide ring 13, and when the bottle mouth is placed near the sucker 5, the sucker 5 can tightly suck the bottle and cannot fall.
When the filter is used, the air guide ring 12 is separated from the funnel 4, a filter membrane is placed on the filter screen, then the air guide ring 12 and the funnel 4 are quickly combined together through magnetic force, a solution to be filtered is added into the funnel 4, a vacuum pump is opened, a suction filtration bottle opening is aligned to a suction cup, suction filtration work can be completed, and after suction filtration is completed, a pressure release cap of the pressure release opening 122 is opened, and the suction filtration bottle is taken down.
The utility model adopts a macroporous support filter plate and a filter screen structure, can replace a sand core filter plate, is not easy to break, is not easy to mould, has no cross contamination, has no pollution caused by sand core materials, can ensure normal filtration rate, and can completely meet the requirement of the environmental field on water sample filtration of soluble metal elements.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a take magnetism of strengthening filter screen structure to inhale formula suction filtration funnel, includes funnel base member, support filter plate, filter screen, funnel and sucking disc, its characterized in that: the axial center of the funnel base body is provided with a blanking pipe in a penetrating way, the blanking pipe extends downwards out of the funnel base body, the inner wall of the funnel base body is provided with an annular groove, the support filter plate is arranged in the annular groove, the filter screen is arranged on the upper surface of the support filter plate, the filter screen is provided with a plurality of micropores, the upper end of the funnel base body is provided with a gas guide ring, the gas guide ring is arranged around the periphery of the funnel base body to form a closed space, the funnel is connected with the gas guide ring in a magnetic attraction mode, the funnel is communicated with the blanking pipe, and the sucker is arranged at the joint of the lower end of the gas guide ring and the blanking pipe.
2. The magnetic suction type suction filtration funnel with a reinforced filter screen structure according to claim 1, wherein: the support filter plate is in a disc shape, and a honeycomb through hole which penetrates up and down is formed in the support filter plate.
3. The magnetic suction type suction filtration funnel with a reinforced filter screen structure according to claim 2, wherein: the diameter of the through hole is 1-2cm.
4. The magnetic suction type suction filtration funnel with a reinforced filter screen structure according to claim 1, wherein: the top of air guide ring is provided with a magnet, and the bottom of funnel is provided with bellied go-between, and go-between size and air guide ring size match, the go-between also is provided with magnet, and two magnetism reverse settings.
5. The magnetic suction type suction filtration funnel with the reinforced filter screen structure according to claim 4, wherein: the lower extreme of go-between is provided with a sealing ring, set up the ring channel on the funnel base member inner wall, the sealing ring inserts in the ring channel and supports the edge in the ring channel.
6. The magnetic suction type suction filtration funnel with a reinforced filter screen structure according to claim 1, wherein: the left end and the right end of the air guide ring are respectively provided with an air extraction opening and a pressure relief opening, the air extraction opening and the pressure relief opening are both communicated with the air guide ring, the pressure relief opening is provided with a pressure relief cap, and the air extraction opening is connected with the vacuumizing pump through a rubber pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321888259.5U CN220385915U (en) | 2023-07-18 | 2023-07-18 | Magnetic suction type suction filtration funnel with reinforced filter screen structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321888259.5U CN220385915U (en) | 2023-07-18 | 2023-07-18 | Magnetic suction type suction filtration funnel with reinforced filter screen structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220385915U true CN220385915U (en) | 2024-01-26 |
Family
ID=89598801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321888259.5U Active CN220385915U (en) | 2023-07-18 | 2023-07-18 | Magnetic suction type suction filtration funnel with reinforced filter screen structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220385915U (en) |
-
2023
- 2023-07-18 CN CN202321888259.5U patent/CN220385915U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205391867U (en) | Simple and easy suction filtration experimental apparatus | |
| CN1320343C (en) | Apparatus for simultaneously collecting filtering water and filter paper | |
| CN220385915U (en) | Magnetic suction type suction filtration funnel with reinforced filter screen structure | |
| KR20050094604A (en) | Apparatus and method for cell filtering using precipitation method and negative pressure in liquid base cytology | |
| CN210465043U (en) | Water sampling device for environmental monitoring | |
| CN206730668U (en) | Core Suction filtration device with valve outflow solution | |
| CN204643988U (en) | A kind of vacuum core Suction filtration device | |
| CN209438190U (en) | Solvent filter degasser, system | |
| CN108410714B (en) | Cell mixing pipette | |
| CN219217957U (en) | Negative pressure suction filtration box | |
| CN214765552U (en) | Filtering type liquid suction device capable of effectively adsorbing aerosol | |
| CN212982954U (en) | Stem cell filtering and separating device | |
| CN219050415U (en) | Vacuum defoaming device | |
| CN220276476U (en) | High-flux purifying column structure and high-flux reverse sample pretreatment device | |
| CN215856041U (en) | Adipose tissue-derived stem cell separation device | |
| CN213375358U (en) | Vacuum filter | |
| CN209702750U (en) | A kind of two-stage series filter device that microorganisms in water extracts | |
| CN108102892A (en) | Disposable nucleic acid-extracting apparatus | |
| CN213790441U (en) | Safety exhaust bag type filter | |
| CN217910485U (en) | Experiment suction filtration device | |
| CN214484133U (en) | Tea-water separating mechanism with water permeable valve sleeve | |
| CN214552579U (en) | Water sample collecting filter | |
| CN219815450U (en) | Sand core filter equipment | |
| CN216986537U (en) | Sample filtering device for liquid chromatography detection | |
| CN219179036U (en) | Continuous preparation device for water sample soluble organic matters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |