CN218722084U - High-efficiency air filter - Google Patents
High-efficiency air filter Download PDFInfo
- Publication number
- CN218722084U CN218722084U CN202222812678.2U CN202222812678U CN218722084U CN 218722084 U CN218722084 U CN 218722084U CN 202222812678 U CN202222812678 U CN 202222812678U CN 218722084 U CN218722084 U CN 218722084U
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- wall
- crown plate
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- hollow
- filter element
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000006978 adaptation Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 239000003610 charcoal Substances 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 description 15
- 238000003780 insertion Methods 0.000 description 13
- 230000037431 insertion Effects 0.000 description 13
- 239000000428 dust Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009298 carbon filtering Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a high-efficient type air cleaner, relate to filter technical field, dismantle difficult problem in order to solve the filter core, it includes the casing, the casing is hollow structure, the inside filter element piece that is provided with of casing, income wind gap and air outlet have been seted up respectively on the outer wall of casing, the drain has been seted up to the bottom of casing, still seted up the dismantlement mouth on the outer wall of casing, it is provided with the dismantlement end cover that is used for sheltering from the dismantlement mouth to rotate on the casing, set up the installation component that is used for fixed filter element piece on the inner wall of dismantlement end cover, the installation component includes first hollow crown plate and the hollow crown plate of second, first hollow crown plate is connected on the inner wall of dismantling the end cover, the inner wall looks adaptation of first hollow crown plate and casing, filter element sets up on first hollow crown plate, first hollow crown plate sets up with the hollow crown plate of second relatively, the hollow crown plate butt of second is on filter element piece, be provided with the mobile device that supplies the hollow crown plate of second to adjust on the inner wall of dismantling the end cover. The application has the effects of convenience in disassembly and low maintenance difficulty.
Description
Technical Field
The application relates to the technical field of filters, in particular to a high-efficiency air filter.
Background
The air filter is an air filtering device which is generally used for dust prevention of clean workshops, clean plants, laboratories and clean rooms, or electronic mechanical communication equipment and the like; the equipment for collecting dust from gas-solid two-phase flow and purifying gas by the action of porous filtering material can make the air with low dust content be purified and fed into room so as to ensure the technological requirements for cleaning room and air cleanliness in general air-conditioning room.
In the prior art, after the filter is used for a long time, the filter element needs to be replaced manually at regular intervals to ensure the filtering effect of the filter, and the filter element is arranged in the filter, so that the filter is difficult to disassemble and high in maintenance difficulty and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the filter core dismantles the difficulty, the application provides a high-efficient type air cleaner.
The application provides a high-efficient type air cleaner adopts following technical scheme:
the utility model provides a high-efficient type air cleaner, includes the casing, the casing is hollow structure, the inside filter element piece that is provided with of casing, income wind gap and air outlet have been seted up respectively on the outer wall of casing, the drain has been seted up to the bottom of casing, still seted up on the outer wall of casing and dismantled the mouth, it is provided with the dismantlement end cover that is used for sheltering from the dismantlement mouth to rotate on the casing, set up the installation component that is used for fixed filter element piece on the inner wall of dismantlement end cover, installation component includes first hollow crown plate and the hollow crown plate of second, first hollow crown plate is connected on the inner wall of dismantling the end cover, the inner wall looks adaptation of first hollow crown plate and casing, filter element piece sets up on first hollow crown plate, first hollow crown plate sets up with the hollow crown plate of second relatively, the hollow crown plate butt of second is on filter element, be provided with the mobile device that supplies the hollow crown plate of second to adjust on the inner wall of dismantlement end cover.
After the filter is used for a long time, the filter element needs to be replaced manually and periodically to ensure the filtering effect of the filter, and the filter element is arranged in the filter, so that the filter is difficult to disassemble and difficult to maintain; by adopting the technical scheme, the outer wall of the shell is provided with a dismounting opening, the shell is rotatably connected with a dismounting end cover, the dismounting end cover shields the opening of the dismounting opening, and the inner wall of the dismounting end cover is provided with the mounting assembly for fixing the filter element, wherein the mounting assembly consists of a first hollow annular plate and a second hollow annular plate; when the filter element is replaced after the filter is used for a long time, rotating the disassembly end cover, removing the disassembly end cover from the opening of the disassembly opening, adjusting the second hollow ring plate, separating the second hollow ring plate from the filter element, taking out the filter element after the filter element loses the limitation of the first hollow ring plate and the second hollow ring plate on the filter element, replacing the new filter element on the first hollow ring plate, driving the second hollow ring plate to be tightly abutted against the filter element by the moving device, rotating the disassembly end cover, covering the opening of the disassembly opening by the disassembly end cover, and then positioning the filter element in the shell to complete the replacement of the filter element; through the setting of dismantling end cover, first hollow crown plate, the hollow crown plate of second and mobile device, help having improved the efficiency of filter element dismouting, simple and easy dismounting of filter element dismouting process, the maintenance degree of difficulty is low, and the maintainer of being convenient for washs or changes filter element.
Optionally, the outer walls of the first hollow annular plate and the second hollow annular plate are both provided with anti-drop rings for limiting the position of the filter element.
By adopting the technical scheme, the anti-drop ring is integrally formed on the outer walls of the first hollow ring plate and the second hollow ring plate; through the setting of anticreep ring, help realizing the restriction to filter element position, the filter element piece appears rocking the possibility when reducing the casing and ventilate, has improved the stability of filter element installation.
Optionally, the mobile device rotates lead screw pivoted rotating mechanism including rotating lead screw, sliding block and being used for the drive, the sliding tray has been seted up on the inner wall of dismantlement end cover, the sliding tray sets up along the direction of height who dismantles the end cover, it rotates the lead screw and connects in the sliding tray to rotate the lead screw, the sliding block slides and connects in the sliding tray, the sliding block with rotate lead screw threaded connection, the sliding block is kept away from the one end and the hollow crown plate fixed connection of second of sliding tray diapire.
By adopting the technical scheme, the moving device consists of a rotating lead screw, a sliding block and a rotating mechanism, when the filter element piece needs to be taken down from the first hollow ring plate and the second hollow ring plate, the rotating mechanism drives the rotating lead screw to rotate, the sliding block is in threaded connection with the rotating lead screw, the sliding block is connected in the sliding groove in a sliding manner, so that the second hollow ring plate is driven to move towards one side far away from the first hollow ring plate, the filter element piece loses the limitation of the first hollow ring plate and the second hollow ring plate, and the filter element piece is taken out to be replaced; through the setting of rotating lead screw, sliding block and rotating mechanism, help realizing the regulation of the hollow ring plate position of second, simple structure and convenient operation have improved the change efficiency of filter core spare.
Optionally, the rotating mechanism comprises a rotating rod, a first bevel gear and a second bevel gear, the rotating rod is rotatably arranged in the sliding groove, the first bevel gear is sleeved on the rotating screw rod, the second bevel gear is sleeved on the rotating rod, and the first bevel gear is meshed with the second bevel gear.
By adopting the technical scheme, the rotating mechanism consists of a rotating rod, a first bevel gear and a second bevel gear; when the filter element is replaced, a maintainer rotates the rotating rod, the second bevel gear rotates along the circumferential direction of the rotating rod, the first bevel gear is meshed with the second bevel gear, so that the rotating screw rod is driven to rotate, the sliding block slides in the sliding groove and drives the second hollow ring plate to move, and the filter element is taken out; through the arrangement of the rotating rod, the first bevel gear and the second bevel gear, the driving of the rotation of the rotating screw rod is facilitated, the bevel gear is stable in transmission, and the fact that the rotating motion in the vertical direction can be converted into the rotating motion in the horizontal direction can be achieved.
Optionally, the filter element comprises a dust-proof filter layer, a bamboo charcoal filter layer and an activated carbon filter layer, and the dust-proof filter layer, the bamboo charcoal filter layer and the activated carbon filter layer are sequentially arranged.
By adopting the technical scheme, the filter element consists of a dust-proof filter layer, a bamboo charcoal filter layer and an active carbon filter layer; through the setting of hindering dirt filtering layer, bamboo charcoal filtering layer and active carbon filtering layer, the filterable mode of multilayer has helped improving the interception of impurity such as dust in the gas and has caught, has guaranteed the filter effect, has improved the clean degree of room air.
Optionally, a slot is formed in the inner wall of the dismounting opening, an insertion block is arranged at one end of the dismounting end cover, and the insertion block is inserted into the inner wall of the slot and is matched with the inner wall of the slot.
By adopting the technical scheme, the inner wall of the disassembly opening is provided with the slot, the disassembly end cover is provided with the integrally formed insertion block, and the insertion block is inserted into the slot; through the setting of inserted block and slot, help improving and dismantle the end cover and dismantle mouthful complex stability, dismantle the end cover and receive outside thrust when reducing to ventilate in the casing, thereby dismantle the end cover and remove away from dismantling mouthful influence the possibility of filtering operation.
Optionally, a sealing strip for sealing the gap is arranged on the inner wall of the dismounting opening, and the sealing strip is arranged along the circumferential direction of the inner wall of the dismounting opening.
By adopting the technical scheme, the inner wall of the disassembly port is glued and fixed with the sealing strip, and the sealing strip is abutted against the disassembly end cover; through the setting of sealing strip, help realizing dismantling mouthful and dismantle the sealed of clearance department between the end cover, improved the leakproofness of equipment, guaranteed the filtration effect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the disassembling end cover, the first hollow ring plate, the second hollow ring plate and the moving device is beneficial to improving the disassembling efficiency of the filter element, the disassembling process of the filter element is simple and convenient, the maintenance difficulty is low, and the filter element can be cleaned or replaced by a maintainer conveniently;
2. the arrangement of the disassembling end cover, the first hollow ring plate, the second hollow ring plate and the moving device is beneficial to improving the disassembling efficiency of the filter element, the disassembling process of the filter element is simple and convenient, the maintenance difficulty is low, and the filter element can be cleaned or replaced by a maintainer conveniently;
3. through the setting of hindering dirt filtering layer, bamboo charcoal filtering layer and active carbon filtering layer, the filterable mode of multilayer has helped improving the interception of impurity such as dust in the gas and has caught, has guaranteed the filter effect, has improved the clean degree of room air.
Drawings
Fig. 1 is a schematic structural diagram of a high efficiency air filter according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram for embodying the installation between the disassembly end cap and the filter element in the embodiment of the application.
Fig. 3 is a cross-sectional view of fig. 2.
Fig. 4 is an enlarged view of a portion a of fig. 3.
Description of reference numerals: 1. a housing; 11. an air inlet; 12. an air outlet; 13. disassembling the port; 14. a sewage draining outlet; 2. a filter element member; 21. a dust-resistant filter layer; 22. a bamboo charcoal filter layer; 23. an active carbon filter layer; 3. disassembling the end cover; 31. a sliding groove; 4. mounting the component; 41. a first hollow ring plate; 42. a second hollow ring plate; 5. a mobile device; 51. rotating the screw rod; 52. a slider; 53. a rotation mechanism; 531. rotating the rod; 532. a first bevel gear; 533. a second bevel gear; 6. the anti-drop ring; 7. a sealing strip; 8. inserting a block; 81. and (4) a slot.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses high-efficient type air cleaner. Referring to fig. 1, high-efficient type air cleaner includes casing 1, casing 1 is cylindric in this embodiment, and casing 1's inside is hollow structure, has seted up into wind gap 11 and air outlet 12 on casing 1's the outer wall respectively, and it is inside at casing 1 all to communicate into wind gap 11 and air outlet 12, and air outlet 12 is located into wind gap 11 directly over, and drain 14 has been seted up to casing 1's bottom, and gravity subsides the impurity that gets off and assembles and casing 1 bottom, and impurity is discharged from drain 14 during the clearance.
Referring to fig. 1, a filter element 2 for filtering dust in air is installed inside a casing 1, a detaching port 13 for detaching the filter element 2 is opened on an outer wall of the casing 1 in a penetrating manner, an inner wall of the detaching port 13 is communicated with the inside of the casing 1, a detaching end cover 3 is rotatably connected to the outer wall of the casing 1, the detaching end cover 3 covers an opening of the detaching port 13, in the embodiment, the detaching end cover 3 is of a semicircular arc structure, an installing component 4 is arranged on the inner wall of the detaching end cover 3, and the installing component 4 is used for fixing the filter element 2.
Referring to fig. 1, the inner wall of the dismounting port 13 is adhesively fixed with a sealing strip 7, the sealing strip 7 is made of rubber in the embodiment, and the sealing strip 7 is arranged along the circumferential direction of the inner wall of the dismounting port 13, so that the sealing of the gap between the dismounting port 13 and the dismounting end cover 3 is realized, the sealing performance of the equipment is improved, and the air filtering effect is ensured.
Referring to fig. 1, an insertion block 8 is integrally formed on one side of the detachable end cover 3 away from the rotating end of the detachable end cover, and an insertion slot 81 is formed in the inner wall of the detachable opening 13; when the disassembly end cover 3 covers the opening of the disassembly port 13, the insertion block 8 is inserted into the inner wall of the insertion groove 81 and is matched with the inner wall of the insertion groove 81, so that the stability of the disassembly end cover 3 and the disassembly port 13 is improved, the outward thrust of the disassembly end cover 3 during ventilation in the shell 1 is reduced, and the disassembly end cover 3 is moved away from the disassembly port 13, so that the possibility of affecting the filtering work is reduced.
Referring to fig. 1 and 2, the mounting assembly 4 includes a first hollow annular plate 41 and a second hollow annular plate 42, in this embodiment, the first hollow annular plate 41 is in a hollow annular shape, the first hollow annular plate 41 and the second hollow annular plate 42 have the same shape, the first hollow annular plate 41 is welded and fixed on the inner wall of the detachable end cap 3, the first hollow annular plate 41 is adapted to the inner wall of the housing 1, the filter element 2 is located on the first hollow annular plate 41, the first hollow annular plate 41 and the second hollow annular plate 42 are oppositely disposed, the second hollow annular plate 42 abuts against the filter element 2, and the moving device 5 for adjusting the second hollow annular plate 42 is installed on the inner wall of the detachable end cap 3.
Referring to fig. 2 and 3, the anti-slip rings 6 are integrally formed on the outer walls of the first and second hollow ring plates 41 and 42, and the anti-slip rings 6 are vertically provided on the outer walls of the first and second hollow ring plates 41 and 42 to restrict the position of the filter element member 2 and reduce the possibility of the filter element member 2 shaking during ventilation in the housing 1.
Referring to fig. 3, the filter element 2 includes a dust-proof filter layer 21, a bamboo charcoal filter layer 22 and an activated carbon filter layer 23, the dust-proof filter layer 21, the bamboo charcoal filter layer 22 and the activated carbon filter layer 23 are sequentially arranged, the filter element 2 in the embodiment is of a cylindrical structure, and a multi-layer filtering mode is used for improving interception and capture of impurities such as dust in gas, ensuring a filtering effect and improving the cleanness degree of indoor air.
Referring to fig. 3 and 4, the moving device 5 includes a rotating screw 51, a sliding block 52 and a rotating mechanism 53 for driving the rotating screw 51 to rotate, a sliding groove 31 is formed on an inner wall of the detachable end cover 3, the sliding groove 31 is arranged along the height direction of the housing 1, two ends of the rotating screw 51 are rotatably connected to the inner wall of the sliding groove 31 through bearings, the sliding block 52 is slidably connected in the sliding groove 31, the sliding block 52 is in threaded connection with the rotating screw 51, and one end of the sliding block 52, which is far away from the bottom wall of the sliding groove 31, is welded and fixed on the second hollow annular plate 42.
Referring to fig. 4, the rotating mechanism 53 includes a rotating rod 531, a first bevel gear 532 and a second bevel gear 533, the rotating rod 531 is rotatably connected to the bottom wall of the sliding groove 31, the rotating rod 531 and the rotating screw 51 are vertically disposed, the first bevel gear 532 is sleeved and fixed at one end of the rotating screw 51, the first bevel gear 532 is engaged with the second bevel gear 533, and the second bevel gear 533 is sleeved and fixed on the rotating rod 531.
The implementation principle of the high-efficiency air filter in the embodiment of the application is as follows: when the filter element piece 2 needs to be replaced, a maintainer rotates to detach the end cover 3, the insertion block 8 is detached from the insertion slot 81, the detached end cover 3 is removed from the opening of the detaching port 13, the filter element piece 2 is detached from the detaching port 13 at this time, the rotating rod 531 is rotated, the first bevel gear 532 rotates to drive the second bevel gear 533 to rotate simultaneously, the rotating screw rod 51 rotates at this time, the sliding block 52 slides in the sliding slot 31, the sliding block 52 drives the second hollow annular plate 42 to move towards the side away from the filter element piece 2, the filter element piece 2 is detached from the first hollow annular plate 41 at this time, a new filter element piece 2 is placed on the first hollow annular plate 41, the rotating rod 531 rotates reversely, the first bevel gear 532 is engaged with the second bevel gear 533, the rotating screw rod 51 rotates, the sliding block 52 drives the second hollow annular plate 42 to abut against the filter element piece 2, the detaching end cover 3 rotates at this time, the insertion block 8 is gradually inserted into the insertion slot 81, the detaching end cover 3 covers the opening of the detaching port 13, and the filter element piece 2 is replaced; through the setting of dismantling end cover 3, first hollow crown plate 41, second hollow crown plate 42 and mobile device 5, helped improving the efficiency of filter element 2 dismouting, filter element 2 dismouting process is simple and easy dismounting, and the maintenance degree of difficulty is low, and the maintainer of being convenient for washs or changes filter element piece 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A high-efficiency air filter is characterized in that: including casing (1), casing (1) is hollow structure, casing (1) inside is provided with filter element (2), income wind gap (11) and air outlet (12) have been seted up on the outer wall of casing (1) respectively, drain (14) have been seted up to the bottom of casing (1), still seted up on the outer wall of casing (1) and dismantled mouth (13), it is provided with dismantlement end cover (3) that are used for sheltering from to dismantle mouth (13) to rotate on casing (1), set up installation component (4) that are used for fixed filter element (2) on the inner wall of dismantlement end cover (3), installation component (4) are including first hollow crown plate (41) and the hollow crown plate of second (42), first hollow crown plate (41) is connected on the inner wall of dismantling end cover (3), the inner wall looks adaptation of first hollow crown plate (41) and casing (1), filter element (2) sets up on first hollow crown plate (41), first crown plate (41) and hollow crown plate of second (42) set up the hollow crown plate of second relative, the hollow crown plate (42) remove the hollow crown plate (5) and supply the hollow crown plate (42) to dismantle the hollow crown plate (3).
2. A high efficiency air cleaner as recited in claim 1, wherein: the outer walls of the first hollow ring plate (41) and the second hollow ring plate (42) are provided with anti-drop rings (6) for limiting the position of the filter element piece (2).
3. A high efficiency air cleaner in accordance with claim 1, wherein: remove device (5) including rotating lead screw (51), sliding block (52) and being used for the drive to rotate lead screw (51) pivoted rotating mechanism (53), sliding tray (31) have been seted up on the inner wall of dismantlement end cover (3), sliding tray (31) are along the direction of height setting of dismantling end cover (3), it connects in sliding tray (31) to rotate lead screw (51), sliding block (52) slide and connect in sliding tray (31), sliding block (52) and rotation lead screw (51) threaded connection, sliding block (52) keep away from the one end and the hollow crown plate of second (42) fixed connection of sliding tray (31) diapire.
4. A high efficiency air cleaner as recited in claim 3, wherein: rotating mechanism (53) includes rotatory pole (531), first bevel gear (532) and second bevel gear (533), rotatory pole (531) rotate and set up in sliding tray (31), first bevel gear (532) cover is established on rotating lead screw (51), second bevel gear (533) cover is established on rotatory pole (531), first bevel gear (532) and second bevel gear (533) mesh mutually.
5. A high efficiency air cleaner as recited in claim 1, wherein: the filter element (2) comprises a dust-proof filter layer (21), a bamboo charcoal filter layer (22) and an active carbon filter layer (23), wherein the dust-proof filter layer (21), the bamboo charcoal filter layer (22) and the active carbon filter layer (23) are sequentially arranged.
6. A high efficiency air cleaner in accordance with claim 1, wherein: the inner wall of the dismounting opening (13) is provided with a slot (81), one end of the dismounting end cover (3) is provided with an inserting block (8), and the inserting block (8) is inserted into the inner wall of the slot (81) and is matched with the inner wall of the slot (81).
7. A high efficiency air cleaner as recited in claim 1, wherein: dismantle and be provided with on the inner wall of mouthful (13) and be used for sealing up sealing strip (7) in gap, sealing strip (7) set up along the circumference direction of dismantling mouthful (13) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222812678.2U CN218722084U (en) | 2022-10-25 | 2022-10-25 | High-efficiency air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222812678.2U CN218722084U (en) | 2022-10-25 | 2022-10-25 | High-efficiency air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218722084U true CN218722084U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222812678.2U Active CN218722084U (en) | 2022-10-25 | 2022-10-25 | High-efficiency air filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN218722084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116459630A (en) * | 2023-04-11 | 2023-07-21 | 杭州博大净化设备有限公司 | A VPSA medical molecular sieve oxygen generator |
-
2022
- 2022-10-25 CN CN202222812678.2U patent/CN218722084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116459630A (en) * | 2023-04-11 | 2023-07-21 | 杭州博大净化设备有限公司 | A VPSA medical molecular sieve oxygen generator |
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