CN210320390U - Indoor air filtering device - Google Patents
Indoor air filtering device Download PDFInfo
- Publication number
- CN210320390U CN210320390U CN201920675237.8U CN201920675237U CN210320390U CN 210320390 U CN210320390 U CN 210320390U CN 201920675237 U CN201920675237 U CN 201920675237U CN 210320390 U CN210320390 U CN 210320390U
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- Prior art keywords
- box
- filter screen
- air
- base
- dust
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- 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.)
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- 238000001914 filtration Methods 0.000 title claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 83
- 239000002245 particle Substances 0.000 claims abstract description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 241000220317 Rosa Species 0.000 claims abstract description 22
- 230000001954 sterilising effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002070 germicidal effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an indoor air filtering device, it includes base and rose box, the gyro wheel is all installed to the base lower extreme left and right sides, the middle part is provided with driving motor in the base, driving motor's output shaft has the pivot, the pivot upper end is connected with the rose box lower extreme, rose box left and right sides middle part is connected with intake pipe and outlet duct respectively, it has dust collecting net, HEPA particle filter screen and active carbon filter screen to peg graft in the recess that the inner wall set up of rose box downside, the left side of rose box downside inner wall dust collecting net and HEPA particle filter screen all installs out the dirt device, it includes drainage board A, drainage board B and play dirt pipe to go out the dirt device, it is provided with the collecting box to go out the dirt pipe below, all install sterilamp on the upper and lower side inner wall of rose box, the right side middle part is provided with the; the utility model has the advantages of be convenient for remove, dustproof effectual, conveniently change the filter screen, in time clear up and collect dust granule, the filter effect is efficient.
Description
Technical Field
The utility model relates to an filtration technical field especially relates to an indoor air filter equipment.
Background
Along with the development of society, air pollution is more and more serious, more than 80% of the average time of people passes indoors every day, the indoor air quality directly influences the health of people, at present, an air filtering device is used for purifying the indoor air, the existing air filtering device has fixed air inlet and air outlet directions, can only purify the air in a specific direction, has small purification range and low efficiency, and the filter screen and the filter box are fixedly connected, the filter screen can not be replaced or cleaned in time, and dust particles filtered by the filter screen can not be cleaned and collected in time, so that the phenomenon of filter screen blockage is easy to occur, the filtering effect is reduced, the filter device is inconvenient to move, the filtering efficiency is reduced, therefore, it is urgently needed to design an indoor air filtering device which is convenient to move, change the filter screen, clean and collect dust particles in time, has a good filtering effect and is high in filtering and collecting efficiency.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide one kind and be convenient for remove, the leakproofness is good, stability is strong, dustproof effectual, the convenient filter screen of changing, in time clear up and collect dust particle, the filter effect is good, filter and the efficient indoor air filter equipment of collection.
The purpose of the utility model is realized like this: the utility model provides an indoor air filtering device, it includes base and rose box, the base lower extreme left and right sides all install the gyro wheel, the base preceding terminal surface mid-mounting have a body, the door body on install the handle, the base in the middle part be provided with driving motor, driving motor's output shaft have a pivot, pivot upper end run through base upper end and with rose box lower extreme fixed connection, rose box left and right sides middle part be connected with intake pipe and outlet duct respectively, rose box downside inner wall be provided with the recess, the recess in peg graft and have dust collecting screen, HEPA particle filter screen and active carbon filter screen, HEPA particle filter screen be located the right side of dust collecting screen, active carbon filter screen be located HEPA particle filter screen's right side, the left side of rose box downside inner wall dust collecting screen and HEPA particle filter screen all install out the dirt device, the dust discharging device comprises a drainage plate A, a drainage plate B and a dust discharging pipe, wherein the drainage plate B is fixedly connected with the upper end of the left side of the groove, a valve is arranged on the dust discharging pipe, a collecting box is arranged below the dust discharging pipe and is positioned on the left side of the upper end of the base, a box cover is arranged at the upper end of the collecting box, a vibrator is arranged in the middle of the left side of the collecting box, connecting rods are fixedly connected with the upper ends of the dust collecting net, the HEPA particle filter screen and the active carbon filter screen, a mounting plate is fixedly connected with the upper end of the connecting rods and is connected with the filter box through bolts, an air guide plate is fixedly arranged on the inner wall of the upper side of the filter box, ultraviolet sterilizing lamps are arranged on the inner walls of the upper side and the lower side of the filter box, the ultraviolet sterilizing lamps are positioned on the right side of the, the air pump passes through the upper and lower side inner wall fixed connection of mounting bracket and rose box, the air pump be located sterilamp's right side, rose box preceding terminal surface right side be provided with the switch, switch and air pump electric connection, base upper end right side be provided with balancing weight and push rod.
The roller is a universal wheel, and a self-locking device is arranged on the roller.
The center of the air pump and the centers of the air inlet pipe and the air outlet pipe are all positioned on the same horizontal line.
And a sealing strip is arranged at the joint of the connecting rod and the filter box.
The air guide plate is obliquely arranged in a left-high-right direction.
Drainage plate A set up for the high low tilting in left side, drainage plate B sets up for the high tilting in low right side in left side, the lower extreme of drainage plate A and drainage plate B all links to each other with the play dirt pipe upper end.
The case cover is detachably connected with the collecting box, and the lower end of the collecting box is provided with an anti-skid bulge.
Rubber plugs are plugged at the air inlet pipe and the air outlet pipe.
The utility model discloses the beneficial effect who produces: the utility model discloses an indoor air filtering device, wherein the left side and the right side of the lower end of a base are both provided with rolling wheels which are universal wheels, and the rolling wheels are provided with self-locking devices; the rubber plugs at the air inlet pipe and the air outlet pipe are pulled out, the switch of the air pump is started, air at the position of the filter box enters the box body through the air inlet pipe, the door body on the front end face of the base is opened, the driving motor is started and drives the rotating shaft to rotate, the rotating shaft drives the filter box to rotate, the directions of the air inlet pipe and the air outlet pipe are changed along with the rotation of the filter box, air in different directions is filtered and purified, the purification range is expanded, and the filtering effect and the efficiency are improved; the air enters the filter box through the air inlet pipe, under the guiding action of the air guide plate, the air is filtered and purified by the dust collecting net, the HEPA particle filter screen and the active carbon filter screen in sequence, the dust collecting net filters large-particle dust in the air, the HEPA particle filter screen filters small-particle dust in the air, the active carbon filter screen removes peculiar smell in the air, the air which is filtered and purified by the dust collecting net, the HEPA particle filter screen and the active carbon filter screen is sterilized by the ultraviolet sterilizing lamp in the process of moving towards the direction of the air outlet pipe, and the completely purified air is discharged into a room through the air outlet pipe; in the process of rotating the filter box, dust particles adsorbed on the dust collecting net and the HEPA particulate filter net fall off and slide into the dust outlet pipe under the drainage action of the drainage plate A and the drainage plate B, after filtering and purifying for a period of time, the filter box is rotated to a position where the dust outlet device is positioned above the collecting box, a box cover at the upper end of the collecting box and a valve on the dust outlet pipe are opened, the dust particles fall into the collecting box, a vibrator is arranged in the middle of the left side of the collecting box, the vibrator enables the dust particles sliding into the collecting box to uniformly fill the collecting box, the collecting box does not need to be frequently replaced, and the filtering and collecting efficiency is improved; the upper ends of the dust collecting net, the HEPA particle filter screen and the active carbon filter screen are fixedly connected with connecting rods, the upper ends of the connecting rods are fixedly connected with mounting plates, and the mounting plates are connected with the filter box through bolts, so that the filter screen is convenient to replace, and the filter effect of the filter screen is prevented from being reduced due to overlong use time; the sealing strips are arranged at the connecting parts of the connecting rods and the filter box, so that the sealing performance is good, and air leakage is prevented; the lower end of the collecting box is provided with an anti-skid bulge, so that the collecting box is prevented from sliding in the process of collecting dust particles, the anti-skid effect is good, and the stability is strong; rubber plugs are plugged at the air inlet pipe and the air outlet pipe, and the air inlet pipe and the air outlet pipe are plugged by the rubber plugs after filtration and purification are finished, so that dust is prevented from entering the box body when the filter is not filtered, and the dustproof effect is good; generally, the utility model has the advantages of be convenient for remove, the leakproofness is good, stability is strong, dustproof effectual, conveniently change the filter screen, in time clear up and collect dust particle, the filter effect is good, filter and collection efficiency is high.
Drawings
Fig. 1 is a schematic structural view of the indoor air filtering device of the present invention.
Fig. 2 is a front view of the indoor air filtering device of the present invention.
Fig. 3 is an enlarged view of a point a in fig. 1.
Fig. 4 is an enlarged view at B in fig. 1.
Fig. 5 is a schematic view of the connection between the dust collecting net, the HEPA particle filter net and the activated carbon filter net and the filter box in the indoor air filtering device.
In the figure: 1. the air inlet pipe 2, the filter box 3, the dust collecting net 4, the HEPA particle filter screen 5, the air guide plate 6, the activated carbon filter screen 7, the mounting frame 8, the air extracting pump 9, the air outlet pipe 10, the push rod 11, the ultraviolet germicidal lamp 12, the base 13, the balancing weight 14, the rotating shaft 15, the driving motor 16, the collecting box 17, the roller 18, the vibrator 19, the box cover 20, the door body 21, the handle 22, the mounting plate 23, the bolt 24, the connecting rod 25, the drainage plate B26, the dust outlet pipe 27, the valve 28, the drainage plate A29, the groove 30 and the switch.
Detailed Description
Example 1
As shown in fig. 1-5, an indoor air filtering device comprises a base 12 and a filtering box 2, wherein rollers 17 are installed on the left side and the right side of the lower end of the base 12, a door body 20 is installed in the middle of the front end surface of the base 12, a handle 21 is installed on the door body 20, a driving motor 15 is arranged in the middle of the base 12, an output shaft of the driving motor 15 is connected with a rotating shaft 14, the upper end of the rotating shaft 14 penetrates through the upper end of the base 12 and is fixedly connected with the lower end of the filtering box 2, the middle of the left side and the right side of the filtering box 2 is respectively connected with an air inlet pipe 1 and an air outlet pipe 9, a groove 29 is arranged on the inner wall of the lower side of the filtering box 2, a dust collecting net 3, a HEPA particle filter net 4 and an activated carbon filter net 6 are inserted in the groove 29, the HEPA particle filter net 4 is positioned on the, the left sides of the inner wall dust collecting net 3 and the HEPA particle filter screen 4 at the lower side of the filter box 2 are provided with dust discharging devices, each dust discharging device comprises a drainage plate A28, a drainage plate B25 and a dust discharging pipe 26, the drainage plate B25 is fixedly connected with the upper end of the left side of the groove 29, the dust discharging pipe 26 is provided with a valve 27, a collecting box 16 is arranged below the dust discharging pipe 26, the collecting box 16 is positioned at the left side of the upper end of the base 12, the upper end of the collecting box 16 is provided with a box cover 19, the middle part of the left side of the collecting box 16 is provided with a vibrator 18, the upper ends of the dust collecting net 3, the HEPA particle filter screen 4 and the active carbon filter screen 6 are fixedly connected with a connecting rod 24, the upper end of the connecting rod 24 is fixedly connected with a mounting plate 22, the mounting plate 22 is connected with the filter box 2 through a bolt 23, the inner wall at the upper side of the filter box 2 is fixedly provided with an, sterilamp 11 be located the right side of active carbon filter screen 6, rose box 2 in the right side middle part be provided with aspiration pump 8, aspiration pump 8 pass through the upper and lower side inner wall fixed connection of mounting bracket 7 with rose box 2, aspiration pump 8 be located sterilamp 11's right side, 2 preceding terminal surface right sides of rose box be provided with switch 30, switch 30 and 8 electric connection of aspiration pump, base upper end right side be provided with balancing weight and push rod.
The utility model discloses an indoor air filtering device, wherein the left side and the right side of the lower end of a base are both provided with rollers, and the filtering device is pushed to a certain indoor position by pushing a push rod, so that the filtering device is convenient to move; the rubber plugs at the air inlet pipe and the air outlet pipe are pulled out, the switch of the air pump is started, air at the position of the filter box enters the box body through the air inlet pipe, the door body on the front end face of the base is opened, the driving motor is started and drives the rotating shaft to rotate, the rotating shaft drives the filter box to rotate, the directions of the air inlet pipe and the air outlet pipe are changed along with the rotation of the filter box, air in different directions is filtered and purified, the purification range is expanded, and the filtering effect and the efficiency are improved; the air enters the filter box through the air inlet pipe, under the guiding action of the air guide plate, the air is filtered and purified by the dust collecting net, the HEPA particle filter screen and the active carbon filter screen in sequence, the dust collecting net filters large-particle dust in the air, the HEPA particle filter screen filters small-particle dust in the air, the active carbon filter screen removes peculiar smell in the air, the air which is filtered and purified by the dust collecting net, the HEPA particle filter screen and the active carbon filter screen is sterilized by the ultraviolet sterilizing lamp in the process of moving towards the direction of the air outlet pipe, and the completely purified air is discharged into a room through the air outlet pipe; in the process of rotating the filter box, dust particles adsorbed on the dust collecting net and the HEPA particulate filter net fall off and slide into the dust outlet pipe under the drainage action of the drainage plate A and the drainage plate B, after filtering and purifying for a period of time, the filter box is rotated to a position where the dust outlet device is positioned above the collecting box, a box cover at the upper end of the collecting box and a valve on the dust outlet pipe are opened, the dust particles fall into the collecting box, a vibrator is arranged in the middle of the left side of the collecting box, the vibrator enables the dust particles sliding into the collecting box to uniformly fill the collecting box, the collecting box does not need to be frequently replaced, and the filtering and collecting efficiency is improved; the equal fixedly connected with connecting rod in collection dirt net, HEPA particle filter screen and active carbon filter screen upper end, connecting rod upper end fixedly connected with mounting panel, the mounting panel passes through the bolt and links to each other with the rose box, conveniently changes the filter screen, prevents to reduce the filter effect of filter screen because of the live time overlength.
Example 2
As shown in fig. 1-5, an indoor air filtering device comprises a base 12 and a filtering box 2, wherein rollers 17 are installed on the left side and the right side of the lower end of the base 12, a door body 20 is installed in the middle of the front end surface of the base 12, a handle 21 is installed on the door body 20, a driving motor 15 is arranged in the middle of the base 12, an output shaft of the driving motor 15 is connected with a rotating shaft 14, the upper end of the rotating shaft 14 penetrates through the upper end of the base 12 and is fixedly connected with the lower end of the filtering box 2, the middle of the left side and the right side of the filtering box 2 is respectively connected with an air inlet pipe 1 and an air outlet pipe 9, a groove 29 is arranged on the inner wall of the lower side of the filtering box 2, a dust collecting net 3, a HEPA particle filter net 4 and an activated carbon filter net 6 are inserted in the groove 29, the HEPA particle filter net 4 is positioned on the, the left sides of the inner wall dust collecting net 3 and the HEPA particle filter screen 4 at the lower side of the filter box 2 are provided with dust discharging devices, each dust discharging device comprises a drainage plate A28, a drainage plate B25 and a dust discharging pipe 26, the drainage plate B25 is fixedly connected with the upper end of the left side of the groove 29, the dust discharging pipe 26 is provided with a valve 27, a collecting box 16 is arranged below the dust discharging pipe 26, the collecting box 16 is positioned at the left side of the upper end of the base 12, the upper end of the collecting box 16 is provided with a box cover 19, the middle part of the left side of the collecting box 16 is provided with a vibrator 18, the upper ends of the dust collecting net 3, the HEPA particle filter screen 4 and the active carbon filter screen 6 are fixedly connected with a connecting rod 24, the upper end of the connecting rod 24 is fixedly connected with a mounting plate 22, the mounting plate 22 is connected with the filter box 2 through a bolt 23, the inner wall at the upper side of the filter box 2 is fixedly provided with an, the ultraviolet sterilizing lamp 11 is positioned on the right side of the activated carbon filter screen 6, the air pump 8 is arranged in the middle of the right side in the filter box 2, the air pump 8 is fixedly connected with the upper inner wall and the lower inner wall of the filter box 2 through the mounting frame 7, the air pump 8 is positioned on the right side of the ultraviolet sterilizing lamp 11, the switch 30 is arranged on the right side of the front end surface of the filter box 2, the switch 30 is electrically connected with the air pump 8, the right side of the upper end of the base is provided with a balancing weight and a push rod, the idler wheel 17 is a universal wheel, the idler wheel 17 is provided with a self-locking device, the center of the air pump 8 and the centers of the air inlet pipe 1 and the air outlet pipe 9 are positioned on the same horizontal line, the connecting rod 24 is provided with a sealing strip at the joint of the filter box 2, the air guide plate 5 is arranged in a left-high-right low inclined type, and, drainage plate B25 sets up for the high tilting in low right side in a left side, and the lower extreme of drainage plate A28 and drainage plate B25 all links to each other with a dirt pipe 26 upper end, case lid 19 be detachable with collecting box 16 and be connected, the 16 lower extremes of collecting box are provided with anti-skidding arch, intake pipe 1 and outlet duct 9 department all plugged the rubber buffer.
The utility model discloses an indoor air filtering device, wherein the left side and the right side of the lower end of a base are both provided with rolling wheels which are universal wheels, and the rolling wheels are provided with self-locking devices; the rubber plugs at the air inlet pipe and the air outlet pipe are pulled out, the switch of the air pump is started, air at the position of the filter box enters the box body through the air inlet pipe, the door body on the front end face of the base is opened, the driving motor is started and drives the rotating shaft to rotate, the rotating shaft drives the filter box to rotate, the directions of the air inlet pipe and the air outlet pipe are changed along with the rotation of the filter box, air in different directions is filtered and purified, the purification range is expanded, and the filtering effect and the efficiency are improved; the air enters the filter box through the air inlet pipe, under the guiding action of the air guide plate, the air is filtered and purified by the dust collecting net, the HEPA particle filter screen and the active carbon filter screen in sequence, the dust collecting net filters large-particle dust in the air, the HEPA particle filter screen filters small-particle dust in the air, the active carbon filter screen removes peculiar smell in the air, the air which is filtered and purified by the dust collecting net, the HEPA particle filter screen and the active carbon filter screen is sterilized by the ultraviolet sterilizing lamp in the process of moving towards the direction of the air outlet pipe, and the completely purified air is discharged into a room through the air outlet pipe; in the process of rotating the filter box, dust particles adsorbed on the dust collecting net and the HEPA particulate filter net fall off and slide into the dust outlet pipe under the drainage action of the drainage plate A and the drainage plate B, after filtering and purifying for a period of time, the filter box is rotated to a position where the dust outlet device is positioned above the collecting box, a box cover at the upper end of the collecting box and a valve on the dust outlet pipe are opened, the dust particles fall into the collecting box, a vibrator is arranged in the middle of the left side of the collecting box, the vibrator enables the dust particles sliding into the collecting box to uniformly fill the collecting box, the collecting box does not need to be frequently replaced, and the filtering and collecting efficiency is improved; the upper ends of the dust collecting net, the HEPA particle filter screen and the active carbon filter screen are fixedly connected with connecting rods, the upper ends of the connecting rods are fixedly connected with mounting plates, and the mounting plates are connected with the filter box through bolts, so that the filter screen is convenient to replace, and the filter effect of the filter screen is prevented from being reduced due to overlong use time; the sealing strips are arranged at the connecting parts of the connecting rods and the filter box, so that the sealing performance is good, and air leakage is prevented; the lower end of the collecting box is provided with an anti-skid bulge, so that the collecting box is prevented from sliding in the process of collecting dust particles, the anti-skid effect is good, and the stability is strong; rubber plugs are plugged at the air inlet pipe and the air outlet pipe, and the air inlet pipe and the air outlet pipe are plugged by the rubber plugs after filtration and purification are finished, so that dust is prevented from entering the box body when the filter is not filtered, and the dustproof effect is good; generally, the utility model has the advantages of be convenient for remove, the leakproofness is good, stability is strong, dustproof effectual, conveniently change the filter screen, in time clear up and collect dust particle, the filter effect is good, filter and collection efficiency is high.
Claims (8)
1. The utility model provides an indoor air filter, it includes base and rose box, its characterized in that: the base lower extreme left and right sides all install the gyro wheel, base preceding terminal surface mid-mounting have a body, the door body on install the handle, the base in the middle part be provided with driving motor, driving motor's output shaft have a pivot, pivot upper end run through base upper end and with rose box lower extreme fixed connection, rose box left and right sides middle part be connected with intake pipe and outlet duct respectively, rose box downside inner wall be provided with the recess, the recess in peg graft and have dust collecting screen, HEPA particle filter screen and active carbon filter screen, HEPA particle filter screen be located the right side of dust collecting screen, active carbon filter screen be located the right side of HEPA particle filter screen, the left side of rose box downside inner wall dust collecting screen and HEPA particle filter screen all install out the dirt device, the dirt device include drainage plate A, drainage plate B and play dirt pipe, the drainage plate B is fixedly connected with the upper end of the left side of the groove, the dust outlet pipe is provided with a valve, a collecting box is arranged below the dust outlet pipe, the collecting box is positioned on the left side of the upper end of the base, the upper end of the collecting box is provided with a box cover, the middle part of the left side of the collecting box is provided with a vibrator, the upper ends of the dust collecting net, the HEPA particle filter screen and the active carbon filter screen are all fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with a mounting plate, the mounting plate is connected with the filter box through bolts, the inner wall of the upper side of the filter box is fixedly provided with an air guide plate, the inner walls of the upper side and the lower side of the filter box are all provided with an ultraviolet sterilizing lamp, the ultraviolet sterilizing lamp is positioned on the right side of the active carbon filter screen, the middle part, the air pump is located on the right side of the ultraviolet germicidal lamp, the switch is arranged on the right side of the front end face of the filter box and electrically connected with the air pump, and the balancing weight and the push rod are arranged on the right side of the upper end of the base.
2. An indoor air filtering device as defined in claim 1, wherein: the roller is a universal wheel, and a self-locking device is arranged on the roller.
3. An indoor air filtering device as defined in claim 1, wherein: the center of the air pump and the centers of the air inlet pipe and the air outlet pipe are all positioned on the same horizontal line.
4. An indoor air filtering device as defined in claim 1, wherein: and a sealing strip is arranged at the joint of the connecting rod and the filter box.
5. An indoor air filtering device as defined in claim 1, wherein: the air guide plate is obliquely arranged in a left-high-right direction.
6. An indoor air filtering device as defined in claim 1, wherein: drainage plate A set up for the high low tilting in left side, drainage plate B sets up for the high tilting in low right side in left side, the lower extreme of drainage plate A and drainage plate B all links to each other with the play dirt pipe upper end.
7. An indoor air filtering device as defined in claim 1, wherein: the case cover is detachably connected with the collecting box, and the lower end of the collecting box is provided with an anti-skid bulge.
8. An indoor air filtering device as defined in claim 1, wherein: rubber plugs are plugged at the air inlet pipe and the air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675237.8U CN210320390U (en) | 2019-05-13 | 2019-05-13 | Indoor air filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675237.8U CN210320390U (en) | 2019-05-13 | 2019-05-13 | Indoor air filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210320390U true CN210320390U (en) | 2020-04-14 |
Family
ID=70138226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920675237.8U Expired - Fee Related CN210320390U (en) | 2019-05-13 | 2019-05-13 | Indoor air filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210320390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238676A (en) * | 2020-09-24 | 2021-01-19 | 廊坊市安次区长城纸塑包装厂 | Green's four-color printing machine |
-
2019
- 2019-05-13 CN CN201920675237.8U patent/CN210320390U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238676A (en) * | 2020-09-24 | 2021-01-19 | 廊坊市安次区长城纸塑包装厂 | Green's four-color printing machine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |