CN220026228U - Quick filtering device - Google Patents

Abstract

The utility model discloses a rapid filtering device, wherein an annular sinking groove and a mounting through hole arranged on the inner side of the annular sinking groove are formed in the bottom of a filtering barrel, and a filtering assembly and a water collecting bucket are nested into the mounting through hole from top to bottom. In the filter component, the installation backing plate is nested in the installation through hole, water leakage holes are uniformly formed in the installation backing plate, and the filter membrane is attached to the installation backing plate and fixed by the compression ring. In the auxiliary assembly, the top end of the threaded shaft is rotatably arranged in the barrel cover and is in power connection with the driving motor, the bottom end of the threaded shaft is inserted in the axis of the mounting base plate in a relative rotation mode, the scraper is fixedly connected to the bottom of the threaded shaft and is kept fit with the filtering membrane, and the pressurizing disc is slidably arranged in the filtering barrel and is kept in screwed connection with the threaded shaft. The utility model has the advantages of simple operation and convenient maintenance and consumable replacement, is suitable for laboratories, and can effectively improve the filtering speed.

Description

Quick filtering device

Technical Field

The utility model relates to the technical field of filtering equipment, in particular to a rapid filtering device.

Background

The filtering device is equipment for filtering and purifying liquid, and can effectively intercept solid impurities in the liquid to obtain a liquid finished product with higher purity. In laboratory use, in order to facilitate the operation of laboratory staff and students, and simultaneously ensure the filtration speed, so that the related experiments are stably carried out, the used filtration device is required to have the basic requirements of simple operation and high filtration speed.

Meanwhile, as various test items in the laboratory use the filter device, in the respective operation process, in order to ensure the corresponding filter requirements, the corresponding model needs to be replaced for the membrane assembly, and the traditional filter device is often inconvenient to quickly replace the membrane assembly.

Conventional filtering devices often do not have additional pressurizing members or are relatively complex, which may result in a low filtering efficiency or a complex operation, which is not suitable for laboratory requirements for small-dose and rapid filtration.

Traditional filter equipment can block up the membrane module in the in-process of constantly filtering liquid, leads to filtering rate limited, can appear filtering the problem that the speed seriously drops at the later stage of filtering, and then influences and filters whole speed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a rapid filtering device which has the advantages of simple operation and convenient maintenance and consumable replacement, is suitable for being used in a laboratory, and can effectively improve the filtering speed.

The technical scheme adopted by the utility model for achieving the purpose is as follows: the rapid filtering device comprises a filtering barrel, a barrel cover, a water collecting bucket, a compression ring, a filtering component and an auxiliary component, wherein the barrel cover is arranged at the top of the filtering barrel in a matched manner, an annular sinking groove arranged at the edge and a mounting through hole arranged at the inner side of the annular sinking groove are formed in the bottom of the filtering barrel, and the filtering component and the water collecting bucket are sequentially nested and mounted in the mounting through hole from top to bottom; the filter assembly comprises a mounting backing plate and a filter membrane, the mounting backing plate is nested and mounted in the mounting through hole, water leakage holes are uniformly formed in the mounting backing plate, and the filter membrane is attached to the upper surface of the mounting backing plate and is fixed by the compression ring; the auxiliary assembly comprises a threaded shaft, a pressurizing disc, a mud scraping plate and a driving motor, wherein the top end of the threaded shaft is rotatably installed at the axis of the barrel cover and is in power connection with the driving motor assembled in the barrel cover, the bottom end of the threaded shaft is inserted into the axis of the installation base plate in a relative rotation mode, the mud scraping plate is fixedly connected to the bottom of the threaded shaft and is kept fit with the filtering membrane, the pressurizing disc is slidably installed in the filtering barrel and is kept in rotary connection with the threaded shaft, and the pressurizing disc is kept in sealing fit with the inner wall of the filtering barrel.

In some implementations, in order to ensure that the barrel cover can be stably installed on the top of the filter barrel, and simultaneously ensure that the driving motor can drive the pressurizing disc and the scraping plate to effectively operate so as to accelerate filtration, the following technical scheme is provided.

The filter vat is characterized in that an upper mounting ring is fixedly connected to the outer side wall of the top of the filter vat, positioning keys are uniformly fixedly connected to the outer side wall of the upper mounting ring, and positioning grooves which are nested and matched with the positioning keys are formed in the inner side wall of the vat cover.

In some of these implementations, the following technical solution is provided for ensuring that the driving motor can be stably installed in the barrel cover, and simultaneously, ensuring that the driving motor can drive the threaded shaft to stably operate.

The barrel cover is internally provided with an installation cavity, the driving motor is fixedly arranged in the installation cavity, the top end of the threaded shaft extends into the inner side of the installation cavity, the top end of the threaded shaft is fixedly connected with a transmission gear arranged in the installation cavity, and the output shaft of the driving motor is fixedly connected with the transmission gear which is meshed with the transmission gear.

In some implementations, in order to ensure that the filter vat can be stably installed, the filter vat can effectively discharge intercepted and filtered liquid along corresponding pipelines respectively, and meanwhile, the rapid filter device is ensured to stably operate.

The outer wall of the bottom of the filter vat is fixedly connected with a lower mounting ring, the outer wall of the filter vat is nested and inserted with a supporting sleeve which is abutted against the lower surface of the lower mounting ring, and the supporting sleeve is fixedly connected with the lower mounting ring through a first fixing bolt; the bottom of the annular sinking tank is communicated with a drain pipe which is downwards arranged, the bottom of the water collecting bucket is communicated with a filter pipe which is downwards arranged, and the drain pipe and the filter pipe penetrate through the supporting sleeve and are arranged outside the supporting sleeve, and the drain pipe and the filter pipe are respectively provided with a first valve and a second valve which are arranged outside the supporting sleeve.

In some implementations, in order to ensure that the pressurizing plate can stably lift along the vertical direction, the internal filtering condition is conveniently observed from the outer side of the filtering barrel, and the following technical scheme is provided.

The inner wall of the filter vat is uniformly fixedly connected with a plurality of groups of vertically arranged lifting guide rails, lifting guide grooves which are combined with the lifting guide rails in a sliding manner are formed in the outer side wall of the pressurizing plate, vertically arranged strip-shaped observation windows are formed in the side wall of the filter vat, and transparent glass is hermetically assembled in the strip-shaped observation windows.

In some implementations, in order to ensure that the filtering membrane, the mounting pad and the water collecting bucket which are sequentially arranged in the mounting through hole from top to bottom can be stably mounted to the bottom of the filtering barrel under the action of the pressing ring so as to achieve the purposes of filtering and collecting filtrate, the pressing ring is fixedly mounted at the bottom of the mounting through hole of the filtering barrel through the second fixing bolt, and the second fixing bolt penetrates through the pressing ring, the filtering membrane, the mounting pad and the water collecting bucket edge.

In some implementations, in order to ensure that the bottom end of the threaded shaft can be stably installed at the axis of the installation base plate, a supporting seat is fixedly connected at the axis of the installation base plate, a plug-in groove which is rotationally plugged with the bottom end of the threaded shaft is formed at the axis of the supporting seat, and a circular through hole which is nested and combined with the supporting seat is formed at the axis of the filtering membrane.

The utility model has the beneficial effects that: the rapid filtering device provided by the utility model has the advantages of small integral structure, convenience in disassembly, assembly and maintenance and replacement of vulnerable parts, simplicity in operation, convenience in maintenance and consumable replacement when applied in a laboratory. In the operation of filtering stage auxiliary assembly, the pressurization board can carry out pressurized filtration to filterable water body to effectively improve filtration rate, and the scraper can be with by filtration membrane interception and the impurity clearance to the edge at filtration membrane surface of adhesion, guarantee filtration membrane's filtration efficiency. In combination, the filtration speed can be effectively improved.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a lid and its assembly aid;

FIG. 4 is a schematic view of the structure of FIG. 3 from another view;

FIG. 5 is a schematic view of the structure of the bottom of the filter vat;

FIG. 6 is a schematic view of the structure of the compression ring and the filter assembly installed in the filter vat;

FIG. 7 is a schematic view of a filter cartridge;

fig. 8 is a schematic view of the structure of the compression ring, the filter assembly and the water collection bucket after disassembly.

In the figure: 1 a filter vat, 11 an annular sinking groove, 12 a mounting through hole, 13 an upper mounting ring, 14 a positioning key, 15 a lower mounting ring, 16 a blow-down pipe, 161 a first valve, 17 a lifting guide rail, 18 a strip-shaped observation window, 2 a barrel cover, 21 a positioning groove, 22 a mounting cavity, 3 a water collecting bucket, 31 a water filtering pipe, 311 a second valve, 4 a compression ring, 51 a mounting base plate, 511 a water leakage hole, 512 a supporting seat, 513 an inserting groove, 52 a filtering film, 521 a round through hole, 61 a threaded shaft, 611 a transmission gear, 62 a compression plate, 621 a lifting guide groove, 63 a mud scraping plate, 64 a driving motor, 641 a driving gear, 7 a supporting sleeve, 81 a first fixing bolt and 82 a second fixing bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, a rapid filtering device comprises a filtering barrel 1, a barrel cover 2, a water collecting bucket 3, a compression ring 4, a filtering component and an auxiliary component, wherein the barrel cover 2 is arranged at the top of the filtering barrel 1 in a matched manner, an annular sinking groove 11 arranged at the edge and a mounting through hole 12 arranged at the inner side of the annular sinking groove 11 are formed at the bottom of the filtering barrel 1, and the filtering component and the water collecting bucket 3 are nested in the mounting through hole 12 from top to bottom in sequence; the filtering component comprises a mounting backing plate 51 and a filtering membrane 52, wherein the mounting backing plate 51 is nested and mounted in the mounting through hole 12, water leakage holes 511 are uniformly formed in the mounting backing plate 51, and the filtering membrane 52 is attached to the upper surface of the mounting backing plate 51 and is fixed by the compression ring 4; the auxiliary assembly comprises a threaded shaft 61, a pressurizing disc 62, a mud scraping plate 63 and a driving motor 64, wherein the top end of the threaded shaft 61 is rotatably arranged at the axis of the barrel cover 2 and is in power connection with the driving motor 64 assembled in the barrel cover 2, the bottom end of the threaded shaft 61 is inserted into the axis of the mounting base plate 51 in a relatively rotating mode, the mud scraping plate 63 is fixedly connected to the bottom of the threaded shaft 61 and is kept in fit with the filtering membrane 52, the pressurizing disc 62 is slidably arranged in the filtering barrel 1 and is kept in screwed connection with the threaded shaft 61, and the pressurizing disc 62 is kept in sealing fit with the inner wall of the filtering barrel 1.

At the beginning of filtration, the pressurizing plate 62 is driven by the threaded shaft 61 to be positioned at the top end of the threaded shaft 61 and extend out of the inner side of the barrel cover 2, liquid to be filtered is injected into the barrel cover 2 from the top of the filter barrel 1, after the barrel cover 2 is matched and assembled, the driving motor 64 is started and drives the threaded shaft 61 to rotate, the scraper 63 is driven to synchronously rotate during the operation of the threaded shaft 61 so as to clean the impurities intercepted on the upper surface of the filter membrane 52 towards the edge, and finally the impurities are collected in the annular sink 11, the pressurizing plate 62 is driven by the threaded shaft 61 to stably descend so as to apply pressure to the filtered liquid, the filtration efficiency is improved, the filtered liquid leaks from the water leakage holes 511 on the mounting base plate 51 only into the water collecting hopper 3 after being filtered by the filter membrane 52, and the mounting base plate 51 can stably support the filter membrane 52 so as to ensure that the filter membrane 52 is not damaged during the pressurizing filtration.

After the filtering work is completed, the filtrate is collected and discharged through the water collecting bucket 3, and the impurities and sewage intercepted by the filtering membrane 52 are collected in the annular settling tank 11 and finally discharged.

The rapid filtering device provided by the utility model has the advantages of small integral structure, convenience in disassembly, assembly and maintenance and replacement of vulnerable parts, simplicity in operation and convenience in maintenance when applied in a laboratory. In the operation of the auxiliary assembly of the filtering stage, the pressurizing plate can pressurize and filter the filtered water body to effectively improve the filtering speed, and the scraper 63 can clean the impurities intercepted by the filtering membrane 52 and attached to the surface of the filtering membrane 52 to the edge, so that the filtering efficiency of the filtering membrane 52 is ensured. In combination, the filtration speed can be effectively improved.

In order to ensure that the barrel cover 2 can be stably installed at the top of the filter barrel 1, and simultaneously ensure that the driving motor 64 can drive the pressurizing disc 62 and the mud scraping plate 63 to effectively operate so as to accelerate filtration, the following technical scheme is provided.

An upper mounting ring 13 is fixedly connected to the outer side wall of the top of the filter vat 1, positioning keys 14 are uniformly fixedly connected to the outer side wall of the upper mounting ring 13, and positioning grooves 21 which are nested and matched with the positioning keys 14 are formed in the inner side wall of the vat cover 2.

The upper mounting ring 13 can stably weigh the barrel cover 2, ensures that the barrel cover 2 is stably mounted on the filter vat 1, and the positioning key 14 and the positioning ring are arranged, so that the barrel cover 2 assembled on the filter vat 1 can be prevented from invalid rotation, and further, the auxiliary assembly can be ensured to effectively operate so as to accelerate filtration.

In order to ensure that the driving motor 64 can be stably installed in the tub cover 2 and that the driving motor 64 can drive the threaded shaft 61 to stably operate, the following technical scheme is provided.

The barrel cover 2 is internally provided with an installation cavity 22, a driving motor 64 is fixedly arranged in the installation cavity 22, the top end of a threaded shaft 61 extends into the inner side of the installation cavity 22, the top end of the threaded shaft 61 is fixedly connected with a transmission gear 611 arranged in the installation cavity 22, and the output shaft of the driving motor 64 is fixedly connected with the transmission gear 611 which is meshed with the transmission gear 611.

In order to ensure that the driving motor 64 can be stably installed in the narrow installation cavity 22 and stably transmit power to the threaded shaft 61, the driving motor 64 is transversely arranged, the driving gear 641 and the transmission gear 611 are both tapered gears, and the power of the transversely arranged output shaft can be stably transmitted to the threaded shaft 61 which is vertically arranged, so that the scraper 63 and the pressurizing disc 62 are driven to effectively operate.

In order to ensure that the filter vat 1 can be stably installed, the filter vat 1 can effectively discharge intercepted and filtered liquid along corresponding pipelines respectively, and meanwhile, the stable operation of the rapid filter device is ensured.

The outer wall of the bottom of the filter vat 1 is fixedly connected with a lower mounting ring 15, the outer wall of the filter vat 1 is nested and inserted with a support sleeve 7 which is abutted against the lower surface of the lower mounting ring 15, and the support sleeve 7 is fixedly connected with the lower mounting ring 15 through a first fixing bolt 81; the bottom of the annular sinking groove 11 is communicated with a drain pipe 16 which is downwards arranged, the bottom of the water collecting bucket 3 is communicated with a water filtering pipe 31 which is downwards arranged, the drain pipe 16 and the water filtering pipe 31 penetrate through the supporting sleeve 7 and are arranged outside the supporting sleeve 7, and the drain pipe 16 and the water filtering pipe 31 are respectively provided with a first valve 161 and a second valve 311 which are arranged outside the supporting sleeve 7.

The lower mounting ring 15 can ensure that the support sleeve 7 is stably mounted on the filter vat 1 so as to heighten the filter vat 1 and avoid unstable mounting of the bottom of the filter vat 1 due to structural reasons. The support sleeve 7 is assembled on the filter vat 1 through the first fixing bolt 81, so that the filter vat 1 is convenient to assemble and disassemble, and parts assembled in the filter vat 1 are replaced, maintained and cleaned.

The drain pipe 16 is arranged in the annular sink 11, and during filtering, the intercepted impurities can move to the edge under the action of the scraper 63 and finally deposit in the annular sink 11, and the drain pipe 16 can ensure that the sewage and the impurities in the annular sink 11 are effectively discharged.

The water collection bucket 3 is used for collecting the clean water filtered by the filtering membrane 52 and leaked downwards through the hidden account semi-upper water leakage holes 511, and finally discharged and collected through the filtering pipe 31.

The first valve 161 and the second valve 311 are provided to control the flow states of the drain pipe 16 and the filter pipe 31.

In order to ensure that the pressurizing plate 62 can be stably lifted in the vertical direction, and at the same time, the internal filtering condition is conveniently observed from the outside of the filter vat 1, the following technical scheme is provided.

The inner wall of the filter vat 1 is uniformly fixedly connected with a plurality of groups of vertically arranged lifting guide rails 17, the outer side wall of the pressurizing disc 62 is provided with a lifting guide groove 621 which is in sliding combination with the lifting guide rails 17, the side wall of the filter vat 1 is provided with a vertically arranged strip-shaped observation window 18, and transparent glass is hermetically assembled in the strip-shaped observation window 18.

The design of bar observation window 18 can make things convenient for knowing directly perceivedly that filter vat 1 is inside filters the condition, and lift guide rail 17 and the lift guide slot 621 on the pressure disk 62 can guarantee that pressure disk 62 goes up and down steadily under the drive of screw shaft 61, and then carries out the pressurized filtration to the liquid of below.

In order to ensure that the filtering membrane 52, the mounting backing plate 51 and the water collecting bucket 3 which are sequentially arranged in the mounting through hole 12 from top to bottom can be stably mounted at the bottom of the filtering barrel 1 under the action of the pressing ring 4, so as to achieve the purposes of filtering and collecting filtrate, the pressing ring 4 is fixedly mounted at the bottom of the mounting through hole 12 of the filtering barrel 1 through the second fixing bolt 82, and the second fixing bolt 82 penetrates through the pressing ring 4, the filtering membrane 52, the mounting backing plate 51 and the edge of the water collecting bucket 3.

The compression ring 4, the filtering membrane 52, the mounting base plate 51 and the water collecting bucket 3 are fixed in a mode of the second fixing bolt 82, so that the water collecting bucket is convenient to disassemble and assemble, and each part is convenient to clean and replace.

In order to ensure that the bottom end of the threaded shaft 61 can be stably installed at the axial center of the installation backing plate 51, a supporting seat 512 is fixedly connected at the axial center of the installation backing plate 51, a plugging groove 513 which is rotationally plugged with the bottom end of the threaded shaft 61 is formed at the axial center of the supporting seat 512, and a circular through hole 521 which is nested and combined with the supporting seat 512 is formed at the axial center of the filtering membrane 52.

The setting of supporting seat 512 can guarantee that screw shaft 61 is stably assembled on mounting pad 51 with relative pivoted mode, makes things convenient for dismouting each other in order to make bung 2 and filter vat 1 separate simultaneously, and the liquid that will filter is conveniently poured into wherein from filter vat 1 top into, and the setting of circular opening 521 on the filtration membrane 52 can make its stable assembly on supporting seat 512, simultaneously because circular opening 521 and supporting seat 512 closely laminate can avoid filtering liquid to leak here, guarantees the filtrate quality.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. A rapid filtration device, characterized in that: the novel water-saving filter comprises a filter vat (1), a vat cover (2), a water collecting bucket (3), a compression ring (4), a filter assembly and an auxiliary assembly, wherein the vat cover (2) is arranged at the top of the filter vat (1) in a matched manner, an annular sinking groove (11) arranged at the edge and an installation through hole (12) arranged at the inner side of the annular sinking groove (11) are formed in the bottom of the filter vat (1), and the filter assembly and the water collecting bucket (3) are sequentially nested and installed in the installation through hole (12) from top to bottom; the filtering assembly comprises a mounting base plate (51) and a filtering membrane (52), the mounting base plate (51) is nested and mounted in the mounting through hole (12), water leakage holes (511) are uniformly formed in the mounting base plate (51), and the filtering membrane (52) is attached to the upper surface of the mounting base plate (51) and is fixed by the pressing ring (4); the auxiliary assembly comprises a threaded shaft (61), a pressurizing plate (62), a mud scraping plate (63) and a driving motor (64), wherein the top end of the threaded shaft (61) is rotatably installed at the axis of the barrel cover (2) and is in power connection with the driving motor (64) assembled in the barrel cover (2), the bottom end of the threaded shaft (61) is inserted into the axis of the installation base plate (51) in a relative rotation mode, the mud scraping plate (63) is fixedly connected to the bottom of the threaded shaft (61) and is kept in fit with the filtering membrane (52), the pressurizing plate (62) is slidably installed in the filtering barrel (1) and is kept in screwed connection with the threaded shaft (61), and the pressurizing plate (62) is kept in sealing fit with the inner wall of the filtering barrel (1).

2. A rapid filtration device according to claim 1, wherein: the filter vat is characterized in that an upper mounting ring (13) is fixedly connected to the outer side wall of the top of the filter vat (1), positioning keys (14) are uniformly fixedly connected to the outer side wall of the upper mounting ring (13), and positioning grooves (21) which are nested and matched with the positioning keys (14) are formed in the inner side wall of the vat cover (2).

3. A rapid filtration device according to claim 1, wherein: the barrel cover (2) is internally provided with an installation cavity (22), the driving motor (64) is fixedly installed in the installation cavity (22), the top end of the threaded shaft (61) stretches into the inner side of the installation cavity (22), the top end of the threaded shaft (61) is fixedly connected with a transmission gear (611) arranged in the installation cavity (22), and the output shaft of the driving motor (64) is fixedly connected with the transmission gear (611) which is meshed with the transmission gear (611).

4. A rapid filtration device according to claim 1, wherein: the outer wall of the bottom of the filter vat (1) is fixedly connected with a lower mounting ring (15), the outer wall of the filter vat (1) is nested and inserted with a support sleeve (7) which is abutted against the lower surface of the lower mounting ring (15), and the support sleeve (7) is fixedly connected with the lower mounting ring (15) through a first fixing bolt (81); the utility model discloses a sewage treatment device, including annular heavy groove (11), drain (16) that are arranged downwards are connected to annular heavy groove (11) bottom, drain (16), drain (31) are all run through support sleeve (7) and are arranged in support sleeve (7) outside to drain (16), drain (31) are last to be equipped with respectively and to arrange in support sleeve (7) outside first valve (161), second valve (311).

5. A rapid filtration device according to claim 1, wherein: the inner wall of the filter vat (1) is uniformly fixedly connected with a plurality of groups of vertically arranged lifting guide rails (17), lifting guide grooves (621) which are combined with the lifting guide rails (17) in a sliding manner are formed in the outer side wall of the pressurizing disc (62), vertically arranged strip-shaped observation windows (18) are formed in the side wall of the filter vat (1), and transparent glass is hermetically assembled in the strip-shaped observation windows (18).

6. A rapid filtration device according to claim 1, wherein: the compression ring (4) is fixedly mounted at the bottom of the mounting through hole (12) of the filter vat (1) through a second fixing bolt (82), and the second fixing bolt (82) penetrates through the compression ring (4), the filter membrane (52), the mounting base plate (51) and the edge of the water collecting bucket (3).

7. A rapid filtration device according to claim 1, wherein: the axial center of the installation backing plate (51) is fixedly connected with a supporting seat (512), an inserting groove (513) which is inserted with the bottom end of the threaded shaft (61) in a rotating mode is formed in the axial center of the supporting seat (512), and a circular through hole (521) which is combined with the supporting seat (512) in a nested mode is formed in the axial center of the filtering membrane (52).