CN117753120B - Photocatalyst filter screen dirt cleaning device - Google Patents
Photocatalyst filter screen dirt cleaning device Download PDFInfo
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- CN117753120B CN117753120B CN202410196968.XA CN202410196968A CN117753120B CN 117753120 B CN117753120 B CN 117753120B CN 202410196968 A CN202410196968 A CN 202410196968A CN 117753120 B CN117753120 B CN 117753120B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 160
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000005253 cladding Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims description 80
- 238000012546 transfer Methods 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 13
- 241000238367 Mya arenaria Species 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000001699 photocatalysis Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 4
- 238000005273 aeration Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009471 action Effects 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 238000005299 abrasion Methods 0.000 description 7
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- 239000012535 impurity Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of cleaning equipment, in particular to a photocatalyst filter screen dirt cleaning device, which aims to solve the problem that the photocatalyst filter screen is deficient in technical scheme in the aspect of closed cleaning. The photocatalyst filter screen dirt cleaning device comprises a cladding mechanism, a cleaning mechanism, a driving mechanism and a drainage mechanism; the cladding mechanism can seal the cleaning filter screen in the annular cleaning cavity; under the action of the driving mechanism, the fine hairbrush of the cleaning mechanism continuously sweeps the cleaning filter screen, and water flows to the cleaning filter screen through the brush handle part of the fine hairbrush to realize the flushing of the cleaning filter screen; the drainage mechanism can lead the sewage out of the annular cleaning cavity. Through this photocatalyst filter screen dirt cleaning device, clean filter screen has reached the abluent requirement of closure, and the thin brush can directly be used in the mesh of clean filter screen moreover, effectively reduces the wearing and tearing to clean filter screen simultaneously, makes clean filter screen also can guarantee to have good medium effect after the clearance.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a photocatalyst filter screen dirt cleaning device.
Background
The photocatalyst material is mainly titanium dioxide, and under the irradiation of light sources such as sunlight and fluorescent lamps, substances with extremely strong oxidation effects such as hydroxyl radicals, active oxygen and the like are formed through charge movement. The device for filtering and sterilizing by using photocatalyst, ultraviolet lamp, HEPA high-efficiency filter screen, honeycomb active carbon filter screen and the like has the effects of rapidly decomposing toxic and harmful gas, effectively killing various bacteria, mold and virus, removing various peculiar smell, smoke smell, adsorbing dust and the like, and can rapidly and effectively improve the indoor air quality.
After the photocatalyst filter screen continuously works, the photocatalyst filter screen needs to be cleaned regularly to remove dirt attached to the photocatalyst filter screen. However, it should be noted that, considering the use environment of the photocatalyst filter screen, besides dirt, the photocatalyst filter screen also retains harmful substances such as bacteria and viruses, and the harmful substances can diffuse into the external environment during the cleaning process, so as to cause secondary pollution. In this case, how to seal and clean the photocatalyst filter screen is a problem to be solved.
Disclosure of Invention
The invention aims to provide a photocatalyst filter screen dirt cleaning device so as to solve the problem that a photocatalyst filter screen is lack of a technical scheme in the aspect of closed cleaning.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
The invention provides a photocatalyst filter screen dirt cleaning device, which comprises: the device comprises a cladding mechanism, a cleaning mechanism, a driving mechanism and a drainage mechanism;
the cladding mechanism comprises an inner cylinder body and an outer cylinder body;
the inner cylinder body is positioned in the outer shell body and is in running fit with the outer shell body;
The outer shell consists of two butt-joint arc shells, the two butt-joint arc shells are hinged and can rotate oppositely or reversely under the working condition of rotating around a hinge axis so as to be correspondingly closed, and the two butt-joint arc shells are enclosed with the inner cylinder body to form an annular cleaning cavity or are opened to expose the inner cylinder body;
the cleaning mechanism comprises a first arc-shaped shell, a spring washer and a plurality of thin brushes with hollow handles;
the first arc-shaped shell is positioned in the inner cylinder and is fixedly connected with the inner cylinder;
Along the circumference of the first arc-shaped shell, at least one row of fine hair brushes are arranged on the first arc-shaped shell, and each row of fine hair brushes are distributed at intervals along the axial direction of the first arc-shaped shell and penetrate through the first arc-shaped shell and the inner cylinder body along the radial direction of the first arc-shaped shell;
The spring washers are in one-to-one correspondence with the fine hair brushes and sleeved on the handle parts of the fine hair brushes, and two ends of the spring washers are respectively connected with the inner wall of the first arc-shaped shell and one end of the fine hair brush handle part in the first arc-shaped shell;
the driving mechanism is in transmission connection with the inner cylinder body so as to drive the inner cylinder body to rotate around the axis of the inner cylinder body, and is also communicated with the first arc-shaped shell so as to inject water into the first arc-shaped shell;
The drainage mechanism is communicated with the annular cleaning cavity so as to drain water outside the shell.
Further, the cleaning mechanism further comprises a water storage tank, a sliding shell and a vertical spring belt;
The first arc-shaped shell is fixedly connected with the water storage tank;
the water storage tank is provided with an opening and is communicated with the first arc-shaped shell through the opening;
the sliding shell is in plug-in fit with the water storage tank through the opening and seals the opening, and a shunt cutting groove penetrating through the sliding shell is formed in the side wall of the sliding shell in the water storage tank;
The driving mechanism comprises an output shaft, one end of the output shaft is positioned outside the shell, and the other end of the output shaft extends to the sliding shell and is communicated with the sliding shell;
The vertical spring belt is arranged in the water storage tank, two ends of the vertical spring belt are respectively connected with the sliding shell and the inner wall of the water storage tank, and the vertical spring belt enables the sliding shell to have a sliding trend along the direction perpendicular to the opening and close to the water storage tank so as to seal the opening.
Further, the cladding mechanism further comprises a bottom end shaft housing, a power rotating rod and a torque motor;
The bottom end shaft housing extends along the axial direction of the inner cylinder body;
the two butt joint arc-shaped shells are respectively arranged at two sides of the bottom end shaft shell, and one side of each butt joint arc-shaped shell is hinged with the bottom end shaft shell;
The power rotating rod penetrates through the bottom end shaft housing and can be abutted with the cleaning filter screen under the cleaning working condition;
The torque motors are arranged at two ends of the power rotating rod respectively and are connected with the power rotating rod in a transmission way.
Furthermore, two drainage mechanisms are symmetrically arranged at two ends of the outer shell, and each drainage mechanism comprises a connection clamp, an inserting drainage shell and a drainage pipe;
the connecting clamp is annular and is provided with annular grooves, and the annular grooves of the two connecting clamps are distributed relatively;
Two ends of the inner cylinder body are respectively spliced with the two connecting hoops;
the outer shell is configured to be sleeved on the connection clamp under a closed working condition;
The plug-in drainage shell is in plug-in fit with the connection clamp, and the drain pipe is communicated with the annular groove through the plug-in drainage shell.
Further, the photocatalyst filter screen dirt cleaning device also comprises a drainage mechanism and an inflation mechanism;
The drainage mechanism comprises a second arc-shaped shell and a plurality of ventilation pipes;
The second arc-shaped shell is arranged in the inner cylinder body and is separated from the first arc-shaped shell on two sides of the axis of the inner cylinder body;
At least one row of ventilation pipes are arranged on the second arc-shaped shell along the circumferential direction of the second arc-shaped shell, and a plurality of ventilation pipes in each row are distributed at intervals along the axial direction of the second arc-shaped shell and penetrate through the second arc-shaped shell and the inner cylinder body along the radial direction of the second arc-shaped shell;
the inflation mechanism is communicated with the second arc-shaped shell so as to inflate the second arc-shaped shell.
Further, the drainage mechanism further comprises a rubber soft shell, a pressure sensing plate, a stress pushing plate and a connecting inserted rod, wherein the rubber soft shell is positioned in the second arc-shaped shell;
The rubber soft shell is fixedly connected with the second arc-shaped shell and is surrounded with the inner wall of the second arc-shaped shell to form a semi-cylindrical cavity;
The pressure sensing plate, the stress pushing plate and the connecting inserting rod are all located in the semi-cylindrical cavity, the pressure sensing plate is fixedly connected with the second arc-shaped shell, the stress pushing plate is fixedly connected with the rubber soft shell, and the connecting inserting rod is connected between the stress pushing plate and the pressure sensing plate.
Further, the inflation mechanism comprises a gas storage shell and an inflator pump;
The gas storage shell is communicated with the second arc-shaped shell, and the inflator pump is arranged on the gas storage shell to inflate the gas storage shell.
Further, the inflation mechanism also comprises a connecting arm and a filtration and disinfection port;
The air pumps are provided with a plurality of connecting arms which are hollow bodies and are respectively communicated with the air pumps;
the filtering and sterilizing port is arranged on the connecting arm so as to ventilate the connecting arm.
Furthermore, a stamping mechanism is arranged in the gas storage shell, and the stamping mechanism comprises two switching sliding plates;
The gas storage shell is semicircular, and a plurality of arc-shaped protrusions distributed at intervals are arranged on the arc-shaped inner wall of the gas storage shell around the axis of the gas storage shell;
the switching slide plate is plugged at the air outlet of the inflator pump and is provided with a first end and a second end which are opposite in direction, wherein the first end is hinged with the axis of the air storage shell, and the second end is inserted between two adjacent arc-shaped bulges and can rotate around the axis of the air storage shell;
And a return spring belt is connected between the two switching sliding plates, and the return spring belt enables the two switching sliding plates to have opposite rotation trend.
Further, a plurality of vent holes are formed in one side wall of the gas storage shell, and the vent holes are communicated with the second arc-shaped shell;
the switching slide plate is provided with a first air passing hole penetrating through the switching slide plate, and the first air passing hole is communicated with an air outlet hole of the inflator pump;
The stamping mechanism also comprises an adherence sliding shell and a sliding push plate;
The wall-attached sliding shell is fixedly connected with the transfer sliding plate and is communicated with the first air passing holes, and a plurality of second air passing holes are formed in the side wall of the wall-attached sliding shell opposite to the air passing holes;
The sliding push plate penetrates through the wall-attached sliding shell along the radial direction of the gas storage shell and is provided with a connecting end and a sliding end which are respectively positioned inside and outside the wall-attached sliding shell;
The connecting end and the inner wall of the wall-attached sliding shell are connected with an internal spring strip, and the sliding end is inserted between two adjacent arc-shaped bulges.
In summary, the technical effect that the photocatalyst filter screen dirt cleaning device provided by the invention can realize is as follows:
In the photocatalyst filter screen dirt cleaning device provided by the invention, the cleaning filter screen can be sealed in the annular cleaning cavity by opening and closing the outer shell, and meanwhile, the cleaning filter screen has certain plasticity because of softer cleaning filter screen, so that the cleaning filter screen is arc-shaped in the annular cleaning cavity; when the driving mechanism is started, the inner cylinder body rotates and drives the fine hair brush to synchronously rotate, and when the fine hair brush rotates, the brush hair of the fine hair brush continuously sweeps the cleaning filter screen and directly acts on meshes of the cleaning filter screen, so that the cleaning filter screen is comprehensively cleaned; in addition, under the cooperation of the spring washer, the fine hairbrush can be stretched and contracted in a small extent along the radial direction of the cleaning filter screen, so that the pressure on the cleaning filter screen is reduced, and the abrasion on the cleaning filter screen is effectively reduced; furthermore, when the driving mechanism injects water into the first arc-shaped shell, water flows to the cleaning filter screen through the handle part, so that the cleaning filter screen is washed, meanwhile, the water also infiltrates the brush hair, the friction of the brush hair on the cleaning filter screen is reduced, the abrasion of the fine brush hair on the cleaning filter screen is further reduced, and the cleaning filter screen can also play a role in ensuring good medium effect after being cleaned; after the cleaning filter screen is washed by water, the inner cylinder body continuously rotates, so that the water drives dirt to flow to the drainage mechanism together, and then the dirt is discharged from the drainage mechanism.
Compared with the prior art, the photocatalyst filter screen dirt cleaning device can be used for cleaning the clean filter screen in a closed mode, and the fine hairbrush can directly act on meshes of the clean filter screen, so that abrasion to the clean filter screen is effectively reduced, and the clean filter screen can be ensured to have a good medium effect after being cleaned.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a device for cleaning dirt on a photocatalytic filter screen according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a photocatalytic filter screen dirt cleaning device according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of the application of FIG. 2;
FIG. 4 is a cross-sectional view of an cladding mechanism provided by an embodiment of the present invention;
FIG. 5 is a schematic view of the open state of FIG. 4;
FIG. 6 is a cross-sectional view of a cleaning mechanism provided in an embodiment of the present invention;
FIG. 7 is a schematic view of the slide housing of FIG. 6;
FIG. 8 is a cross-sectional view of a drainage mechanism according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view of an inflation mechanism and ram mechanism assembly provided in an embodiment of the present invention;
FIG. 10 is a schematic illustration of communication between a gas storage shell and an inner cylinder according to an embodiment of the present invention;
FIG. 11 is a schematic view of the structure of FIG. 10 at another angle;
fig. 12 is an enlarged view at i of fig. 9.
Icon: 100-an envelope mechanism; 110-an inner cylinder; 120-an outer shell; 130-a bottom end axle housing; 140-a power rotating rod; 150-torque motor; 121-butting an arc-shaped shell;
200-cleaning mechanism; 210-a first arcuate shell; 220-spring washers; 230-fine hairbrushes; 240-a water storage tank; 250-sliding shells; 260-vertical spring bands; 251-split cuts;
300-a driving mechanism; 310-drainage tube;
400-drainage mechanism; 410-connection clip; 420-inserting a drainage shell; 430-a drain pipe;
500-drainage mechanism; 510-a second arcuate shell; 520-vent pipe; 530-rubber bladder; 540-a pressure sensitive plate; 550-a forced pushing plate; 560-connecting the plunger;
600-an inflation mechanism; 610-gas storage shell; 620-an inflator; 630-a connecting arm; 640-filtering and sterilizing ports; 611-arc-shaped protrusions; 612-vent holes;
700-stamping mechanism; 710-an adapter sled; 720-return spring band; 730-attaching a sliding shell; 740-sliding push plate; 750-internal spring bars;
800-cleaning a filter screen.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
After the photocatalyst filter screen continuously works, the photocatalyst filter screen needs to be cleaned regularly to remove dirt attached to the photocatalyst filter screen. However, it should be noted that, considering the use environment of the photocatalyst filter screen, besides dirt, the photocatalyst filter screen also retains harmful substances such as bacteria and viruses, and the harmful substances can diffuse into the external environment during the cleaning process, so as to cause secondary pollution. In this case, how to seal and clean the photocatalyst filter screen is a problem to be solved.
In view of this, the present invention provides a photocatalyst filter screen dirt cleaning device, comprising a cladding mechanism 100, a cleaning mechanism 200, a driving mechanism 300 and a drainage mechanism 400; the cladding mechanism 100 includes an inner barrel 110 and an outer barrel 120; the inner cylinder 110 is positioned in the outer shell 120 and is in rotating fit with the outer shell 120; the outer shell 120 is composed of two butt-joint arc shells 121, the two butt-joint arc shells 121 are hinged and can rotate oppositely or reversely under the working condition of rotating around a hinge axis so as to be correspondingly closed, and the two butt-joint arc shells are enclosed with the inner cylinder 110 to form an annular cleaning cavity or are opened to expose the inner cylinder 110; the cleaning mechanism 200 includes a first arcuate housing 210, a spring washer 220, and a plurality of tubular fine hair brushes 230; the first arc-shaped shell 210 is positioned in the inner cylinder 110 and is fixedly connected with the inner cylinder 110; along the circumferential direction of the first arc-shaped shell 210, at least one row of fine hair brushes 230 are arranged on the first arc-shaped shell 210, and each row of fine hair brushes 230 are distributed at intervals along the axial direction of the first arc-shaped shell 210 and penetrate through the first arc-shaped shell 210 and the inner cylinder 110 along the radial direction of the first arc-shaped shell 210; the spring washers 220 are in one-to-one correspondence with the fine hair brushes 230 and sleeved on the fine hair brushes 230, and two ends of the spring washers are respectively connected with the inner wall of the first arc-shaped shell 210 and one end of the fine hair brushes 230 in the first arc-shaped shell 210; the driving mechanism 300 is in transmission connection with the inner cylinder 110 to drive the inner cylinder 110 to rotate around the axis of the inner cylinder, and is also communicated with the first arc-shaped shell 210 to inject water into the first arc-shaped shell 210; the drainage mechanism 400 is disposed in communication with the annular cleaning chamber to drain water out of the outer housing 120.
In the photocatalyst filter screen dirt cleaning device provided by the invention, the cleaning filter screen 800 can be sealed in the annular cleaning cavity by opening and closing the outer shell 120, and meanwhile, the cleaning filter screen 800 has certain plasticity because the cleaning filter screen 800 is softer, so the cleaning filter screen 800 is arc-shaped in the annular cleaning cavity; when the driving mechanism 300 is started, the inner cylinder 110 rotates and drives the fine hair brush 230 to synchronously rotate, and when the fine hair brush 230 rotates, the brush hair of the fine hair brush continuously sweeps the cleaning filter screen 800 and directly acts on the mesh of the cleaning filter screen 800, so that the cleaning filter screen 800 is comprehensively cleaned; in addition, under the cooperation of the spring washer 220, the fine bristle brush 230 can be stretched and contracted in a small extent along the radial direction of the cleaning filter screen 800, so that the pressure on the cleaning filter screen 800 is reduced, and the abrasion on the cleaning filter screen 800 is effectively reduced; furthermore, when the driving mechanism 300 injects water into the first arc-shaped shell 210, water flows to the cleaning filter screen 800 through the handle part, so that the cleaning filter screen 800 is washed, meanwhile, the water also infiltrates the bristles, so that the friction of the bristles on the cleaning filter screen 800 is reduced, the abrasion of the fine bristles 230 on the cleaning filter screen 800 is further reduced, and the cleaning filter screen 800 can be ensured to play a role in ensuring good medium effect after being cleaned; after the cleaning filter 800 is washed by water, the inner cylinder 110 rotates continuously, so that the water drives dirt to flow to the drainage mechanism 400 together, and then the dirt is discharged from the drainage mechanism 400.
It can be seen that, compared with the prior art, the photocatalyst filter screen dirt cleaning device can perform closed cleaning on the cleaning filter screen 800, and the fine brush 230 can directly act on the meshes of the cleaning filter screen 800, and meanwhile, the abrasion to the cleaning filter screen 800 is effectively reduced, so that the cleaning filter screen 800 can also ensure a good medium effect after cleaning.
The structure and shape of the photocatalyst filter screen dirt cleaning device according to the present embodiment will be described in detail with reference to fig. 1 to 12:
with respect to the cladding mechanism 100, in particular:
Referring to fig. 4, a traction handle is fixedly connected to the top of the butt-joint arc-shaped casing 121, when the cleaning filter screen 800 to be cleaned is placed, the butt-joint arc-shaped casing 121 is opened by the traction handles on both sides as shown in fig. 5, then the cleaning filter screen 800 is inserted into the interlayer between the inner cylinder 110 and the butt-joint arc-shaped casing 121, and then the butt-joint arc-shaped casings 121 on both sides are combined, as shown in fig. 3, so that the installation of the cleaning filter screen 800 is completed.
Referring to fig. 1, a drainage mechanism 400 and an inflation mechanism 600 are symmetrically arranged at the front and rear ends of the cladding mechanism 100; referring to fig. 2-5, the cladding mechanism 100 further includes a bottom end axle housing 130, a power swivel 140, and a torque motor 150; the bottom end shaft housing 130 extends along the axial direction of the inner cylinder 110, two butt arc housings 121 are respectively arranged at two sides of the bottom end shaft housing 130, and the bottom sides of the two butt arc housings are hinged with the bottom end shaft housing 130; the power rotating rod 140 penetrates through the bottom end shaft housing 130 and can be abutted with the cleaning filter screen 800 under the cleaning working condition; the torque motors 150 are arranged at two ends of the power rotating rod 140, and the two torque motors 150 are respectively connected with the power rotating rod 140 in a transmission way.
Specifically, the bottom of the torque motor 150 is fixedly connected with the ground, and the outer surface of the power rotating rod 140 is used for extruding with the outer surface of the cleaning filter screen 800; the power swivel lever 140 rotatably coupled to the inner wall of the bottom end housing 130 is eccentrically disposed. By the design, when the power rotating rod 140 is driven by the torque motor 150 to rotate, the friction force from the fine hair brush 230, received by the cleaning filter screen 800, can be balanced, and the cleaning filter screen 800 is prevented from synchronously rotating along with the fine hair brush 230, so that the cleaning comprehensiveness of the cleaning filter screen 800 is ensured.
With respect to the drainage mechanism 400, specifically:
As shown in connection with fig. 1 and 5, the drain mechanism 400 includes a connector clip 410, a plug drain housing 420, and a drain tube 430; the connector clip 410 is sleeved at one end of the inner cylinder 110 and is in rotating fit with the inner cylinder 110; the connector clip 410 has an annular groove, and two plug drainage shells 420 are symmetrically disposed on the connector clip 410 about the axis of the connector clip 410 and communicate with the annular groove; the bottom end of the plug-in drainage shell 420 is communicated with a drain pipe 430.
When the filter screen is applied, as shown in fig. 3, after the butt-joint arc-shaped shell 121 is opened, the cleaning filter screen 800 is inserted into the interlayer between the inner cylinder 110 and the butt-joint arc-shaped shell 121, two ends of the cleaning filter screen 800 are respectively inserted into the annular grooves of the two connecting hoops 410, then the butt-joint arc-shaped shells 121 on two sides are combined, and the butt-joint arc-shaped shells 121 are clamped with the outer side surfaces of the connecting hoops 410, so that the installation of the cleaning filter screen 800 is completed; during cleaning, water dropped from the cleaning filter screen 800 falls into the strip-shaped grooves on the inner wall of the butt-joint arc-shaped shell 121, then enters the plug-in drainage shell 420 through the annular grooves of the connector clips 410 at the two ends, and is discharged outside the outer shell 120 through the drain pipe 430. So designed, the dirt removing effect is realized, the impurities of the clean filter screen 800 are ensured not to gather in the photocatalyst filter screen dirt cleaning device, after the cleaning is finished, the butt-joint arc-shaped shell 121 is opened, and the clean filter screen 800 after cleaning is taken out.
With respect to the cleaning mechanism 200, specifically:
Referring to fig. 1 and 6, the cleaning mechanism 200 further includes a water storage tank 240, a slide housing 250, and a vertical spring strap 260; the first arc-shaped shell 210 is fixedly connected with the water storage tank 240; the water storage tank 240 is provided with an opening and is communicated with the first arc-shaped shell 210 through the opening; the sliding shell 250 is in plug-in fit with the water storage tank 240 through the opening and seals the opening, and a shunt slot 251 penetrating through the sliding shell 250 is arranged on the side wall of the sliding shell 250 in the water storage tank 240; the vertical spring band 260 is disposed in the water storage tank 240, and both ends thereof are respectively connected with the sliding housing 250 and the inner wall of the water storage tank 240, and the vertical spring band 260 makes the sliding housing 250 have a tendency to slide in a direction perpendicular to the opening and close to the water storage tank 240 so as to close the opening. The drive mechanism 300 includes an output shaft and a draft tube 310; one end of the output shaft is positioned outside the outer shell 120, the other end of the output shaft extends to the sliding shell 250 and is communicated with the sliding shell 250, and the output shaft penetrates through the axis of the end face of the inner cylinder 110 and is fixedly connected with the inner cylinder 110; the front section of the output shaft is a hollow shaft body, and the drainage tube 310 is communicated with the front section and is in running fit with the front section.
Specifically, referring to fig. 6 and 7, the water storage tank 240 is fixedly connected to the axis of the bottom of the inner wall of the first arc-shaped shell 210, the middle part of the inner wall of the water storage tank 240 is slidably connected with a sliding shell 250, vertical spring bands 260 are symmetrically arranged on two sides of the sliding shell 250, and flow dividing slots 251 are symmetrically arranged on two side walls of the sliding shell 250; the outer surface of the first arc-shaped shell 210 is fixedly connected with the top of the inner wall of the inner cylinder 110, the fine hair brush 230 is in sliding connection with the inner cylinder 110 through a through hole on the inner cylinder 110, one end of the spring washer 220 is fixedly connected with the bottom end of the fine hair brush 230, and the other end of the spring washer is fixedly connected with the inner wall of the first arc-shaped shell 210, so that a section of the fine hair brush 230 protruding out of the inner cylinder 110 can be contracted under the action of external extrusion force; the bottom end of the vertical spring belt 260 is fixedly connected with the bottom end of the side wall of the sliding housing 250, and the top end of the vertical spring belt 260 is fixedly connected with the inner wall of the water storage tank 240.
When cleaning is performed, the driving mechanisms 300 at two sides directly control the inner cylinder 110 to rotate, and at this time, the inner cylinder 110 drives the cleaning mechanism 200 and the drainage mechanism 500 in the inner cylinder to synchronously rotate, so that the fine hair brush 230 continuously sweeps across the surface of the cleaning filter screen 800, and in the process, the fine hair brush 230 acts on the meshes of the cleaning filter screen 800 and then slides out of the meshes of the cleaning filter screen 800; when the water pressure reaches the standard, the sliding shell 250 in the interior pushes away from the water storage tank 240 under the action of the water pressure, and as shown in fig. 6, the sliding shell 250 slides upwards, and the shunt grooves 251 expose the water storage tank 240, so that the water in the water storage tank 240 is discharged into the first arc-shaped shell 210 through the shunt grooves 251 on both sides, and the cleaning filter screen 800 is directly washed by the fine brush 230.
Because the fine brush 230 rubs the cleaning filter 800 when rotating, the problem of slipping of the cleaning filter 800 occurs, and the lower power rotating rod 140 also rotates under the control of the torque motor 150, and gives the cleaning filter 800 an acting force opposite to the slipping direction through rolling friction force, so that the friction force applied to the cleaning filter 800 is balanced, and the cleaning filter 800 cannot slip.
Regarding the drainage mechanism 500 and the inflation mechanism 600, specifically:
Referring to fig. 2 and fig. 6 to 12, the drainage mechanism 500 includes a second arc-shaped shell 510, wherein the second arc-shaped shell 510 is fixed on an arc-shaped inner wall of the inner cylinder 110, and is designed differently from the first arc-shaped shell 210, and a plurality of air inlets are formed at front and rear ends of the second arc-shaped shell 510, as shown in fig. 8, and can be in butt joint with the air charging mechanisms 600 at both ends; the first arc-shaped shell 210 is provided with a cutting groove for installing the water storage tank 240, and the water storage tank 240 has the function of connecting the second arc-shaped shell 510 and the first arc-shaped shell 210, so that the internal mechanism of the inner cylinder 110 cannot shake strongly when the inner cylinder rotates; a plurality of ventilation pipes 520 are uniformly arranged on the arc-shaped side wall of the second arc-shaped shell 510, the ventilation pipes 520 extend along the radial direction of the second arc-shaped shell 510, one end of each ventilation pipe is positioned in the second arc-shaped shell 510, and the other end of each ventilation pipe protrudes out of the inner cylinder 110. The axle center department fixedly connected with rubber soft shell 530 of second arc shell 510 top lateral wall, rubber soft shell 530 takes place deformation easily, can keep the arch under the undisturbed condition, and the bottom fixedly connected with atress push pedal 550 of rubber soft shell 530 inner wall, the upper surface of atress push pedal 550 evenly is provided with and connects inserted bar 560, the top fixedly connected with pressure sensitive plate 540 of connecting inserted bar 560.
As described above, two inflation mechanisms 600 are symmetrically disposed at two ends of the inner cylinder 110. The air charging mechanism 600 comprises an air storage shell 610, referring to fig. 9 to 11, an arc-shaped protrusion 611 is arranged on the bottom inner wall of the air storage shell 610, the front wall is of a sealing structure, a plurality of air holes 612 are arranged on the rear wall, the air holes 612 are in one-to-one correspondence with the holes on the end surfaces of the inner cylinder 110 and the second arc-shaped shell 510, and thus the air storage shell 610 is communicated with the second arc-shaped shell 510; the two sides of the top wall of the gas storage shell 610 are symmetrically provided with an air pump 620, an air inlet at the top of the air pump 620 is fixedly connected with a connecting arm 630, and the top of the inner cavity of the connecting arm 630 is fixedly connected with a filtering and sterilizing port 640; the air pumps 620 at both sides absorb the external air through the connection arm 630, and then directly charge the inside of the air storage case 610 after being purified through the filtering and sterilizing ports 640, thereby charging the inside of the second arc-shaped case 510.
Continuing to connect the above, the stamping mechanisms 700 are symmetrically arranged on the left and right sides of the inner wall of the gas storage shell 610, the stamping mechanisms 700 comprise switching sliding plates 710, a reset spring belt 720 is arranged at the axle center of the inner wall of the gas storage shell 610, and two ends of the reset spring belt 720 are fixedly connected with the switching sliding plates 710 of the two stamping mechanisms 700 respectively; the middle part of the transfer sliding plate 710 is of a concave structure, so that the air outlet hole at the bottom end of the air pump 620 can be completely wrapped, one end of the transfer sliding plate 710 is rotationally connected with the axis of the inner wall of the air storage shell 610, and the other end of the transfer sliding plate 710 is elastic and can be attached to the arc-shaped protrusion 611 at the bottom of the inner wall of the air storage shell 610 to slide; the transfer sliding plate 710 is provided with a first air passing hole penetrating through the transfer sliding plate 710, the upper end of the first air passing hole extends to a concave structure so as to be communicated with an air outlet hole of the air pump 620, the bottom end of the concave structure is fixedly connected with an adhesive sliding shell 730, the adhesive sliding shell 730 is attached to the inner wall of the air storage shell 610 to slide, the adhesive sliding shell 730 is communicated with the bottom end of the first air passing hole, and a plurality of second air passing holes are formed in the side wall of the adhesive sliding shell 730 opposite to the air passing hole 612; the inner cavity of the wall-attached sliding shell 730 is slidably connected with a sliding push plate 740, the sliding push plate 740 penetrates through the wall-attached sliding shell 730 along the radial direction of the gas storage shell 610 and is provided with a connecting end and a sliding end which are respectively positioned inside and outside the wall-attached sliding shell 730, an internal spring strip 750 is connected between the connecting end and the inner wall of the wall-attached sliding shell 730, and the sliding end is inserted between two adjacent arc-shaped bulges 611.
When the cleaning mechanism 200 works, as shown in fig. 2, 3 and 8, the drainage mechanism 500 will sweep the surface of the cleaning screen 800 along with the rotation of the inner cylinder 110, and a gap is formed between the ventilation pipe 520 and the inner wall of the cleaning screen 800; the inflator 620 continuously fills the inside of the second arc-shaped housing 510 with air pressure through the air storage housing 610, and then the air is discharged from the air pipe 520 between the inner cylinder 110 and the outer cylinder 120, thereby realizing targeted punching of the cleaning filter screen 800, and under the action of the air pressure, the sewage and the residual water drops in the meshes of the cleaning filter screen 800 flow to the connecting hoops 410 at two sides, thereby accelerating the discharge of the wastewater.
As mentioned above, when the pressure inside the second arc-shaped shell 510 increases, the rubber soft shell 530 deforms due to the increased pressure, and is compressed, at this time, the stressed push plate 550 slides upwards due to the compression of the rubber soft shell 530, and then the connecting rod 560 is pushed to squeeze the pressure sensing plate 540, so that the pressure inside the second arc-shaped shell 510 can be determined according to the pressure fed back by the pressure sensing plate 540.
When the inflator 620 is punched, referring to fig. 9 and 10, the adapting slide plate 710 surrounding the end of the inflator 620 will rotate to the side far away from the inflator 620 under the action of air pressure, and air will enter the second arc-shaped shell 510 through the air holes 612 above the adapting slide plate 710, and the number of the air holes 612 will also increase continuously as the rotation amplitude of the adapting slide plate 710 increases; the transfer sliding plates 710 at two sides drive the adherence sliding shell 730 to rotate synchronously in the downward rotation process, at this time, the sliding pushing plate 740 continuously slides along the inner wall of the adherence sliding shell 730 in the radial direction of the air storage shell 610 under the cooperation of the thrust of the adherence sliding shell 730 and the built-in spring strip 750, and in the sliding process, the air entering the first air passing hole from the air pump 620 enters the adherence sliding shell 730, and then is discharged from the second air passing hole at the back of the adherence sliding shell 730 to the air vent 612 at the back of the air storage shell 610, so that dredging and cleaning work of the air vent 612 of the air storage shell 610 is realized.
It should be noted that, in the initial state, that is, when the transfer slide plate 710 is in the initial position, the second air passing holes are opposite to the non-air holes 612 on the back of the air storage shell 610, that is, are not communicated with the air holes 612, and during the rotation of the adhesive slide shell 730, each second air passing hole is correspondingly communicated with each air hole 612 on the same radial direction of the air storage shell 610. By the design, the impact force of the gas received by each vent hole 612 is large, and the cleaning work of blowing is carried out on the scanned vent holes 612 through repeated pushing and pulling of the sliding push plate 740, so that the cleaning comprehensiveness is ensured.
By adopting the design, the cleaning filter screen 800 can be closed and killed, so that the fine brush 230 can directly act on meshes of the cleaning filter screen 800, and meanwhile, the abrasion to the cleaning filter screen 800 can be effectively reduced, and the cleaning filter screen 800 can be ensured to have a good medium effect after being cleaned.
In this way, the fine brush 230 rubs the cleaning filter screen 800 when rotating, and further causes the cleaning filter screen 800 to rotate with the same step, so that the problem of slipping of the cleaning filter screen 800 occurs.
Then, when cleaning the cleaning filter screen 800, the cleaning mechanism 200 does not need to drain and kill all the time, and when the drainage tube 310 is not stamped with water, the inner cylinder 110 rotates, at this time, the cleaning mechanism 200 also rotates centrifugally, and the water in the water storage tank 240 does not flow into the first arc-shaped shell 210 due to centrifugal action, so that the first arc-shaped shell 210 is guaranteed to have a certain water-retaining effect, and the problem of internal water leakage is avoided.
Continuing to connect the above, after the cleaning mechanism 200 kills the cleaning filter screen 800, a large amount of water must remain in the mesh of the cleaning filter screen 800, if the drying process is performed, the high temperature environment may cause the denaturation of the medium substances of the cleaning filter screen 800, and the natural cooling may take much time to affect the working efficiency, so the residual water in the mesh of the cleaning filter screen 800 is blown out through the drainage mechanism 500, and the discharge of the waste water inside the cladding mechanism 100 is accelerated in a pressurized manner, so that the accumulation of impurities inside the cladding mechanism 100 is avoided.
In addition, the punching mechanism 700 can ensure that the water permeated into the air storage shell 610 does not flow back into the air pump 620 when the air pumps 620 at the two sides do not work, so that the water inlet damage of the air pump 620 is avoided; when the inflator 620 works, air pressure can prevent water from entering the interior of the inflator 620 from the air outlet hole of the inflator 620, and when the transfer slide plate 710 rotates, the transfer slide plate 730 sweeps the inner wall of the air storage shell 610 through the adhesive sliding shell 730, so as to dredge the air vent 612 on the back of the air storage shell 610, and prevent the air vent 612 from being blocked due to impurities.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. A photocatalyst filter screen dirt cleaning device, characterized by comprising: a cladding mechanism (100), a cleaning mechanism (200), a driving mechanism (300) and a drainage mechanism (400);
The cladding mechanism (100) comprises an inner cylinder (110) and an outer cylinder (120);
the inner cylinder body (110) is positioned in the outer shell body (120) and is in running fit with the outer shell body (120);
The outer shell (120) consists of two butt-joint arc-shaped shells (121), and the two butt-joint arc-shaped shells (121) are hinged and can rotate oppositely or reversely under the working condition of rotating around a hinge axis so as to be correspondingly closed and enclose the inner cylinder (110) to form an annular cleaning cavity or open to expose the inner cylinder (110);
the cleaning mechanism (200) comprises a first arc-shaped shell (210), a spring washer (220) and a plurality of hollow-handled fine hair brushes (230);
The first arc-shaped shell (210) is positioned in the inner cylinder body (110) and is fixedly connected with the inner cylinder body (110);
Along the circumferential direction of the first arc-shaped shell (210), at least one row of fine hair brushes (230) is arranged on the first arc-shaped shell (210), and each row of fine hair brushes (230) is distributed at intervals along the axial direction of the first arc-shaped shell (210) and also penetrates through the first arc-shaped shell (210) and the inner cylinder (110) along the radial direction of the first arc-shaped shell (210);
The spring washers (220) are in one-to-one correspondence with the fine hair brushes (230) and sleeved on the handle parts of the fine hair brushes (230), and two ends of the spring washers are respectively connected with the inner wall of the first arc-shaped shell (210) and one end of the handle parts of the fine hair brushes (230) in the first arc-shaped shell (210);
The driving mechanism (300) is in transmission connection with the inner cylinder body (110) so as to drive the inner cylinder body (110) to rotate around the axis of the inner cylinder body, and is also communicated with the first arc-shaped shell (210) so as to inject water into the first arc-shaped shell (210);
The drainage mechanism (400) is communicated with the annular cleaning cavity so as to drain water to the outside of the outer shell (120);
the cleaning mechanism (200) further comprises a water storage tank (240), a sliding shell (250) and a vertical spring belt (260);
The first arc-shaped shell (210) is fixedly connected with the water storage tank (240);
the water storage tank (240) is provided with an opening and is communicated with the first arc-shaped shell (210) through the opening;
The sliding shell (250) is in plug-in fit with the water storage tank (240) through the opening, the opening is blocked, and a shunt cutting groove (251) penetrating through the sliding shell is formed in the side wall of the sliding shell (250) in the water storage tank (240);
The driving mechanism (300) comprises an output shaft, one end of the output shaft is positioned outside the outer shell (120), and the other end of the output shaft extends to the sliding shell (250) and is communicated with the sliding shell (250);
the vertical spring belt (260) is arranged in the water storage tank (240), two ends of the vertical spring belt are respectively connected with the sliding shell (250) and the inner wall of the water storage tank (240), and the vertical spring belt (260) enables the sliding shell (250) to have a sliding trend along the direction perpendicular to the opening and close to the water storage tank (240) so as to seal the opening.
2. The photocatalyst filter screen soil cleaning device of claim 1, wherein the containment mechanism (100) further comprises a bottom end axle housing (130), a power swivel (140) and a torque motor (150);
The bottom end axle housing (130) extends axially along the inner barrel (110);
the two butt joint arc-shaped shells (121) are respectively arranged at two sides of the bottom end shaft shell (130), and one side of each butt joint arc-shaped shell is hinged with the bottom end shaft shell (130);
the power rotating rod (140) penetrates through the bottom end shaft housing (130) and can be abutted with the cleaning filter screen under the cleaning working condition;
The two torque motors (150) are arranged, and the two torque motors (150) are respectively arranged at two ends of the power rotating rod (140) and are in transmission connection with the power rotating rod (140).
3. The photocatalyst filter screen dirt cleaning device according to claim 1, wherein two drainage mechanisms (400) are symmetrically arranged at two ends of the outer shell (120), and comprise a connection clamp (410), a plug-in drainage shell (420) and a drain pipe (430);
the connecting clamp (410) is annular and is provided with annular grooves, and the annular grooves of the two connecting clamps (410) are distributed relatively;
two ends of the inner cylinder body (110) are respectively spliced with the two connecting hoops (410);
The outer housing (120) is configured to fit over the connector clip (410) under a closed condition;
The plug-in drainage shell (420) is in plug-in fit with the connection clamp, and the drain pipe (430) is communicated with the annular groove through the plug-in drainage shell (420).
4. A photocatalytic filter screen soil cleaning device according to any one of claims 1 to 3, characterized in that it further comprises a drainage mechanism (500) and an aeration mechanism (600);
The drainage mechanism (500) comprises a second arc-shaped shell (510) and a plurality of ventilation pipes (520);
the second arc-shaped shell (510) is arranged in the inner cylinder body (110) and is separated from the first arc-shaped shell (210) on two sides of the axis of the inner cylinder body (110);
along the circumferential direction of the second arc-shaped shell (510), at least one row of ventilation pipes (520) is arranged on the second arc-shaped shell (510), and each row of ventilation pipes (520) is distributed at intervals along the axial direction of the second arc-shaped shell (510), and is also penetrated through the second arc-shaped shell (510) and the inner cylinder (110) along the radial direction of the second arc-shaped shell (510);
the inflation mechanism (600) is communicated with the second arc-shaped shell (510) so as to inflate the second arc-shaped shell (510).
5. The photocatalyst filter screen soil cleaning device according to claim 4, wherein the drainage mechanism (500) further comprises a rubber soft shell (530), a pressure sensing plate (540), a force-bearing push plate (550) and a connecting plug rod (560) within the second arc-shaped shell (510);
the rubber soft shell (530) is fixedly connected with the second arc-shaped shell (510), and forms a semi-cylindrical cavity with the inner wall of the second arc-shaped shell (510) in a surrounding manner;
The pressure sensing plate (540), the stress pushing plate (550) and the connecting inserting rod (560) are all located in the semi-cylindrical cavity, and the pressure sensing plate (540) is fixedly connected with the second arc-shaped shell (510), the stress pushing plate (550) is fixedly connected with the rubber soft shell (530), and the connecting inserting rod (560) is connected between the stress pushing plate (550) and the pressure sensing plate (540).
6. The photocatalyst filter screen dirt cleaning apparatus as claimed in claim 4, wherein the air charging mechanism (600) comprises an air storage case (610) and an air pump (620);
The air storage shell (610) is communicated with the second arc-shaped shell (510), and the inflator pump (620) is arranged on the air storage shell (610) so as to inflate the air storage shell (610).
7. The photocatalyst filter screen soil cleaning device according to claim 6, wherein the aeration mechanism (600) further comprises a connecting arm (630) and a filter sterilization port (640);
The inflator pumps (620) are provided with a plurality of connecting arms (630) which are hollow bodies and are respectively communicated with the inflator pumps (620);
the filtering and sterilizing port (640) is arranged on the connecting arm (630) so as to ventilate the inside of the connecting arm (630).
8. The photocatalyst filter screen dirt cleaning device as claimed in claim 7, wherein a punching mechanism (700) is arranged in the air storage shell (610), and the punching mechanism (700) comprises two switching slide plates (710);
The gas storage shell (610) is semicircular, and a plurality of arc-shaped protrusions (611) which are distributed at intervals are arranged on the arc-shaped inner wall of the gas storage shell (610) around the axis of the gas storage shell (610);
the switching sliding plate (710) is plugged at the air outlet of the air pump (620) and is provided with a first end and a second end which are opposite in direction, wherein the first end is hinged with the axis of the air storage shell (610), and the second end is inserted between two adjacent arc-shaped bulges (611) and can rotate around the axis of the air storage shell (610);
A return spring band (720) is connected between the two transfer slide plates (710), and the return spring band (720) enables the two transfer slide plates (710) to have opposite rotation tendency.
9. The photocatalyst filter screen dirt cleaning device as claimed in claim 8, wherein a plurality of ventilation holes (612) are provided on one side wall of the air storage case (610), and the ventilation holes (612) are communicated with the second arc-shaped case (510);
the switching sliding plate (710) is provided with a first air passing hole penetrating through the switching sliding plate, and the first air passing hole is communicated with an air outlet hole of the inflator pump (620);
The stamping mechanism (700) further comprises an adherence slide shell (730) and a slide push plate (740);
The wall-attached sliding shell (730) is fixedly connected with the transfer sliding plate (710), is communicated with the first air passing holes, and is provided with a plurality of second air passing holes on the side wall opposite to the air passing holes (612);
The sliding push plate (740) penetrates through the adherence sliding shell (730) along the radial direction of the gas storage shell (610) and is provided with a connecting end and a sliding end which are respectively positioned inside and outside the adherence sliding shell (730);
An internal spring strip (750) is connected between the connecting end and the inner wall of the wall-attached sliding shell (730), and the sliding end is inserted between two adjacent arc-shaped bulges (611).
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| CN202410196968.XA CN117753120B (en) | 2024-02-22 | 2024-02-22 | Photocatalyst filter screen dirt cleaning device |
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| CN202410196968.XA CN117753120B (en) | 2024-02-22 | 2024-02-22 | Photocatalyst filter screen dirt cleaning device |
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| CN117753120B true CN117753120B (en) | 2024-05-07 |
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| CN115814913A (en) * | 2022-12-02 | 2023-03-21 | 潍坊科技学院 | Stone crushing device capable of reducing dust flying |
| CN117225036A (en) * | 2023-09-05 | 2023-12-15 | 深圳市欣盛电器有限公司 | Control valve for front-end water purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6578590B2 (en) * | 2001-03-21 | 2003-06-17 | Danny Leblond | Rotative cleaning and sanitizing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246068A (en) * | 2018-02-12 | 2018-07-06 | 西南交通大学 | A kind of air purifier |
| CN111804065A (en) * | 2020-07-23 | 2020-10-23 | 永旗农业科技发展(杭州)有限公司 | Filter screen cleaning assembly convenient to clean and used for intelligent air conditioner |
| CN215782277U (en) * | 2021-05-06 | 2022-02-11 | 固安世安实验室设备制造有限公司 | Laboratory air purifier |
| CN218516220U (en) * | 2022-10-14 | 2023-02-24 | 千易建设集团有限公司 | Inlet water deslagging device of sewage treatment plant |
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