CN112717524A - Multiple filtering component of water dispenser and water dispenser - Google Patents
Multiple filtering component of water dispenser and water dispenser Download PDFInfo
- Publication number
- CN112717524A CN112717524A CN202011490969.3A CN202011490969A CN112717524A CN 112717524 A CN112717524 A CN 112717524A CN 202011490969 A CN202011490969 A CN 202011490969A CN 112717524 A CN112717524 A CN 112717524A
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- CN
- China
- Prior art keywords
- filtering
- cavity
- water dispenser
- water
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 115
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003651 drinking water Substances 0.000 abstract description 37
- 235000020188 drinking water Nutrition 0.000 abstract description 37
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 239000011148 porous material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 14
- 238000004891 communication Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000008236 heating water Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
- A47J31/446—Filter holding means; Attachment of filters to beverage-making apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The application provides a multiple filtration subassembly of water dispenser, including the cartridge filter, be equipped with the partition portion that separates into first cavity and second cavity in the cartridge filter, be equipped with the intercommunication mouth of the first cavity of intercommunication and second cavity in the partition portion, the cartridge filter upper end is equipped with first filter piece, be equipped with on the first filter piece and be located the first filtration pore of crossing of first cavity top, be equipped with the second in the first cavity and filter the piece, be equipped with the third in the intercommunication mouth and filter piece, be equipped with the fourth in the second cavity and filter piece and drain pipe, the drain pipe upper end with the second cavity communicates mutually, the drain pipe lower extreme communicates with each other with the external world. Before the instant heating type water dispenser discharges water, drinking water in the water storage cylinder must be filtered through the multiple filtering components of the water dispenser, so that the drinking water can be effectively filtered before the instant heating type water dispenser discharges water, and the sanitation of the drinking water is guaranteed. The application also provides a water dispenser applying the multiple filtering components of the water dispenser.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the field of water dispenser products, in particular to a multiple filtering component of a water dispenser and the water dispenser.
[ background of the invention ]
The existing instant heating water dispenser generally directly pours external drinking water into a water storage tank in the water dispenser, and then a user can directly start a heating system and receive water at a water outlet nozzle. Because such instant heating water dispenser heating does not filter outside drinking water in the storage water tank, it is pure to be difficult to guarantee the outside drinking water that gets into, if the drinking water gets into the storage water tank in-process smuggleing secretly has impurity, will cause the drinking water health problem. It is therefore desirable to design a filter structure for use in a tankless water dispenser.
[ summary of the invention ]
In order to be matched with an instant heating type water dispenser to filter drinking water, the application provides a multiple filtering component of the water dispenser and the water dispenser applying the component.
The application is realized by the following technical scheme:
the multiple filtering component of the water dispenser comprises a filtering barrel, wherein a separating part which separates the interior of the filtering barrel into a first cavity and a second cavity is arranged in the filtering barrel, a communicating port which is communicated with the first cavity and the second cavity is arranged on the separating part, a first filtering piece is arranged at the upper end of the filtering barrel, a first filtering hole which is positioned above the first cavity is arranged on the first filtering piece, a second filtering piece is arranged in the first cavity, a third filtering piece is arranged in the communicating port, a fourth filtering piece and a water discharging pipe are arranged in the second cavity, the upper end of the water discharging pipe is communicated with the second cavity, and the lower end of the water discharging pipe is communicated with the outside.
According to the multiple filtering component of the water dispenser, the upper side of the separating part is provided with the exhaust port communicated with the second cavity, the exhaust plug is arranged on the exhaust port, and the exhaust gap communicated with the exhaust port is formed in the exhaust plug.
The upper end of the second cavity of the multiple-filtration component of the water dispenser is closed.
In the multiple-filtration assembly of the water dispenser, the first filtration part is a first filtration net, and the first filtration net is provided with a position-giving opening corresponding to the exhaust rubber plug.
In the multiple filtration assembly of the water dispenser, the second filter element is activated carbon.
As above multiple filtration subassembly of water dispenser, the third filters piece includes the filter screen base member, filter screen base member upside is equipped with the first location boss that upwards extends, first location boss with filter screen base member upside forms first location step, the lateral wall lower extreme of filter screen base member is equipped with along the second location boss of radial outside extension, second location boss with the lateral wall of filter screen base member forms second location step.
The multiple filtration assembly of the water dispenser, the fourth filtration piece is a filtration core assembly, the filtration core assembly comprises a filtration core installation cylinder, a filtration core installation cavity which runs through the filtration core installation cylinder is arranged in the filtration core installation cylinder, and a filtration core is arranged in the filtration core installation cavity.
According to the multiple filtering component of the water dispenser, the outer side wall of the filter element mounting cylinder is provided with the sealing ring mounting groove.
According to the multiple-filtration component of the water dispenser, the upper end of the filtration cylinder is provided with the filtration cover which is covered above the first filtration part, the filtration cover is provided with a plurality of sieve pores, and the filtration cover is provided with the handle.
The application also provides a water dispenser, which comprises a dispenser body, a water storage barrel is arranged in the dispenser body, the multiple filtering components of the water dispenser are arranged in the water storage barrel, and a water storage cavity is formed between the multiple filtering components of the water dispenser and the top of the water storage barrel.
Compared with the prior art, the method has the following advantages:
1. the multiple filtering components of the water dispenser are placed in the water storage barrel of the instant heating type water dispenser, drinking water in the water storage barrel must be filtered through the multiple filtering components of the water dispenser before the instant heating type water dispenser discharges water, and therefore the drinking water can be effectively filtered before the instant heating type water dispenser discharges water, and the drinking water sanitation of the instant heating type water dispenser is guaranteed.
2. The multiple filtering component of the water dispenser is provided with the quadruple filtering mechanism, drinking water can be thoroughly filtered through the quadruple filtering link, and pure drinking water is ensured to come out of the instant heating type water dispenser.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic view of a water dispenser;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of section A of FIG. 2;
FIG. 4 is a schematic view of a multiple filtration assembly of the water dispenser;
FIG. 5 is an exploded schematic view of FIG. 4;
FIG. 6 is a first schematic view of a filter cartridge;
FIG. 7 is a second schematic view of a filter cartridge;
fig. 8 is a schematic view of a third filter element;
fig. 9 is a schematic view of a cartridge mounting cartridge.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
When the embodiments of the present application refer to ordinal numbers such as "first", "second", etc., it should be understood that the terms are used for distinguishing only when the context clearly indicates that the order is changed.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The water dispenser shown in fig. 1 and 2 comprises a body 9, a water storage cylinder 91 is arranged in the body 9, a multiple filtering component of the water dispenser is arranged in the water storage cylinder 91, a water storage cavity 92 for receiving drinking water entering from the outside is formed between the multiple filtering component of the water dispenser and the top of the water storage cylinder 91, and a water outlet part of the water dispenser is communicated with the bottom of the water storage cylinder 91. As shown in fig. 3 to 9, the multiple filtration assembly of the water dispenser includes a filtration cartridge 1, a partition portion 2 which partitions the interior of the filtration cartridge 1 into a first cavity 11 and a second cavity 12 is provided in the filtration cartridge 1, a communication port 21 which communicates the first cavity 11 with the second cavity 12 is provided on the partition portion 2, specifically, the communication port 21 is provided at the lower end of the partition portion 2, a first filtration member 3 is provided at the upper end of the filtration cartridge 1, a first filtration hole 31 which is located above the first cavity 11 is provided on the first filtration member 3, a second filtration member 4 is provided in the first cavity 11, a third filtration member 5 is provided in the communication port 21, a fourth filtration member 6 and a drain pipe 7 are provided in the second cavity 12, the upper end of the drain pipe 7 is communicated with the second cavity 12, and the lower end of the drain pipe 7 is communicated with the outside. The multiple filtering components of the water dispenser of the embodiment are placed in the water storage barrel of the water dispenser, drinking water in the water storage barrel needs to be filtered through the multiple filtering components of the water dispenser of the embodiment before the water of the water dispenser is discharged, so that the drinking water can be effectively filtered before the water of the water dispenser is discharged, and the drinking water sanitation of the water dispenser is ensured. The embodiment is provided with the quadruple filtering mechanism, and drinking water can be thoroughly filtered through the quadruple filtering link, so that pure drinking water is ensured to come out of the water dispenser.
Further, when the drinking water enters the second cavity 12 through the communication port 21, in order to adjust the air pressure in the second cavity 12, an air outlet 22 communicated with the second cavity 12 is formed in the upper side of the partition portion 2, an exhaust rubber plug 8 is arranged on the air outlet 22, and an exhaust gap 81 communicated with the air outlet 22 is formed in the exhaust rubber plug 8. When the drinking water enters the second cavity and the air pressure in the second cavity is increased, the air in the second cavity 12 can be discharged outwards through the exhaust gap 81, so that the drinking water in the second cavity 12 flows, and when the exhaust is not needed, the exhaust gap 81 can be tightly attached due to the self property of the exhaust rubber plug 8, and the moisture is effectively prevented from entering the second cavity through the exhaust gap 81.
Further, in order to ensure that the drinking water can only enter the second cavity 12 from the communication port 21 to ensure effective filtering operation, the upper end of the second cavity 12 is closed.
Further, first filter 3 is first filter screen, installs first filter screen on the cartridge filter for the convenience, and just can exhaust smoothly in order to let exhaust plug 8, be equipped with on the first filter screen with the mouth 32 of stepping down that exhaust plug 8 is corresponding.
Further, in order to improve the filtering effect on the drinking water, the second filter element 4 is activated carbon.
Further, in order to make the third filter 5 can install in intercommunication mouth 21 steadily, the third filter 5 includes filter screen base member 51, be equipped with a plurality of second filter pores on the filter screen base member 51, filter screen base member 51 upside is equipped with the first location boss 52 of upwards extending, first location boss 52 with filter screen base member 51 upside forms first location step 53, the lateral wall lower extreme of filter screen base member 51 is equipped with along the second location boss 54 of radial outside extension, second location boss 54 with the lateral wall of filter screen base member 51 forms second location step 55, be equipped with on the partition with first location step 53 and second location step 55 matched with installation protruding edge.
In order to further improve the filter effect to the drinking water, the fourth filter 6 is a filter element assembly, the filter element assembly includes a filter element installation cylinder 61, be equipped with in the filter element installation cylinder 61 and run through the filter element installation cavity 62 of the filter element installation cylinder 61, be equipped with filter element 63 in the filter element installation cavity 62.
Further, the filter element mounting cylinder 61 lateral wall is equipped with the sealing washer mounting groove 611 that extends in circumference, sealing washer mounting groove 611 locates the upper portion of filter element mounting cylinder 61 lateral wall, be equipped with the laminating in the second cavity 12 the annular side wall of sealing washer mounting groove 611, be equipped with the sealing washer in the sealing washer mounting groove 611 with seal sealing washer mounting groove 611 with the clearance between the annular side wall, can ensure like this that the drinking water that gets into in the second cavity gets into to filter element mounting cylinder 61 and filters through the filter core from the bottom of filter element mounting cylinder 61 completely, ensures that the filter core can effectively filter the drinking water.
Further, in order to improve the filtering effect and conveniently replace the fittings in the filter cartridge 1, the upper end of the filter cartridge 1 is provided with a cover and is arranged on the filter cover 13 above the first filter element 3, the filter cover 13 is provided with a plurality of sieve pores 131, and the filter cover 13 is provided with a handle 132.
The working principle of the embodiment is as follows:
place the multiple filter assembly of the water dispenser of this embodiment in the water storage section of thick bamboo of water dispenser, the water dispenser is before a water, the drinking water of water storage intracavity flows and carries out first filtration to first filter screen, then flow into the active carbon in the first cavity through the first filtration hole on the first filter screen and carry out the secondary filter, the drinking water through the secondary filter flows into to the second cavity in through the intercommunication mouth, and carry out the tertiary filter on the third filters piece, the drinking water that flows into to the second cavity flows into to the filter core installation intracavity from filter core installation bobbin base, carry out the quartic under the effect of filter core and filter, the drinking water through the filter core filters flows into in order outwards to discharge in the drain pipe from the upper portion of filter core installation bobbin, make things convenient for water dispenser water outlet portion water.
Drinking water in the water storage cylinder must be filtered by the multiple filtering components of the water dispenser of the embodiment, so that the drinking water can be effectively filtered before the water dispenser discharges water, and the drinking water sanitation of the water dispenser is ensured. The embodiment is provided with the quadruple filtering mechanism, and drinking water can be thoroughly filtered through the quadruple filtering link, so that pure drinking water is ensured to come out of the water dispenser.
The foregoing is illustrative of the various embodiments provided in connection with the detailed description and the specific implementations of the application are not intended to be limited to the illustrations. Similar or identical methods, structures, etc. as used herein, or several technical deductions or substitutions made on the premise of the idea of the present application, should be considered as the protection scope of the present application.
Claims (10)
1. The multiple filtering component of the water dispenser comprises a filtering cylinder (1) and is characterized in that a separating part (2) which separates the interior of the filtering cylinder (1) into a first cavity (11) and a second cavity (12) is arranged in the filtering cylinder (1), a communicating port (21) which communicates the first cavity (11) with the second cavity (12) is arranged on the separating part (2), a first filtering piece (3) is arranged at the upper end of the filtering cylinder (1), a first filtering hole (31) which is positioned above the first cavity (11) is arranged on the first filtering piece (3), a second filtering piece (4) is arranged in the first cavity (11), a third filtering piece (5) is arranged in the communicating port (21), a fourth filtering piece (6) and a water draining pipe (7) are arranged in the second cavity (12), and the upper end of the water draining pipe (7) is communicated with the second cavity (12), the lower end of the drain pipe (7) is communicated with the outside.
2. The multiple filtering assembly of the water dispenser according to claim 1, wherein the upper side of the partition part (2) is provided with an exhaust port (22) communicated with the second cavity (12), the exhaust port (22) is provided with an exhaust rubber plug (8), and the exhaust rubber plug (8) is provided with an exhaust gap (81) communicated with the exhaust port (22).
3. The multiple filtration assembly of the water dispenser of claim 1 wherein the upper end of the second chamber (12) is closed.
4. The multiple filtering assembly of the water dispenser according to claim 2, characterized in that the first filtering member (3) is a first filtering screen, and the first filtering screen is provided with a position-giving opening (32) corresponding to the air-exhausting rubber plug (8).
5. The multiple filter assembly of a water dispenser according to claim 1, characterized in that the second filter element (4) is activated carbon.
6. The multiple filtering assembly of the water dispenser according to claim 1, wherein the third filtering member (5) comprises a filtering net base body (51), a first positioning boss (52) extending upwards is arranged on the upper side of the filtering net base body (51), a first positioning step (53) is formed by the first positioning boss (52) and the upper side of the filtering net base body (51), a second positioning boss (54) extending outwards along the radial direction is arranged at the lower end of the outer side wall of the filtering net base body (51), and a second positioning step (55) is formed by the second positioning boss (54) and the outer side wall of the filtering net base body (51).
7. The multiple filtering assembly of the water dispenser according to claim 1, wherein the fourth filtering member (6) is a filtering core assembly, the filtering core assembly comprises a filtering core mounting cylinder (61), a filtering core mounting cavity (62) penetrating through the filtering core mounting cylinder (61) is arranged in the filtering core mounting cylinder (61), and a filtering core (63) is arranged in the filtering core mounting cavity (62).
8. The multiple filtering assembly of the water dispenser according to claim 7, characterized in that the outer side wall of the filter element mounting cylinder (61) is provided with a sealing ring mounting groove (611).
9. The multiple filtration assembly of the water dispenser according to claim 1, wherein the upper end of the filter cartridge (1) is provided with a filter cover (13) covering the first filter element (3), the filter cover (13) is provided with a plurality of screen holes (131), and the filter cover (13) is provided with a handle (132).
10. The water dispenser comprises a machine body (9), and is characterized in that a water storage barrel (91) is arranged in the machine body (9), the multiple filtering component of the water dispenser as claimed in any one of claims 1 to 9 is arranged in the water storage barrel (91), and a water storage cavity (92) is formed between the multiple filtering component of the water dispenser and the top of the water storage barrel (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490969.3A CN112717524A (en) | 2020-12-17 | 2020-12-17 | Multiple filtering component of water dispenser and water dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490969.3A CN112717524A (en) | 2020-12-17 | 2020-12-17 | Multiple filtering component of water dispenser and water dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112717524A true CN112717524A (en) | 2021-04-30 |
Family
ID=75602540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011490969.3A Pending CN112717524A (en) | 2020-12-17 | 2020-12-17 | Multiple filtering component of water dispenser and water dispenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112717524A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424353A (en) * | 2007-11-01 | 2009-05-06 | 宣国平 | Exhaust for gas meter valve |
| CN107054866A (en) * | 2017-06-14 | 2017-08-18 | 周林斌 | A kind of manual vacuum tank |
| CN206486359U (en) * | 2016-12-22 | 2017-09-12 | 于林静 | A kind of water purification catridge and drainage container |
| CN208839192U (en) * | 2018-09-21 | 2019-05-10 | 兴燊环境技术（深圳）有限公司 | A kind of active carbon effluent filter |
| CN209074218U (en) * | 2018-10-29 | 2019-07-09 | 广东力升电器有限公司 | A kind of i.e. hot direct drinking fountain of double filtration |
| CN214260902U (en) * | 2020-12-17 | 2021-09-24 | 德奥通用航空股份有限公司 | Multiple filtering component of water dispenser and water dispenser |
-
2020
- 2020-12-17 CN CN202011490969.3A patent/CN112717524A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424353A (en) * | 2007-11-01 | 2009-05-06 | 宣国平 | Exhaust for gas meter valve |
| CN206486359U (en) * | 2016-12-22 | 2017-09-12 | 于林静 | A kind of water purification catridge and drainage container |
| CN107054866A (en) * | 2017-06-14 | 2017-08-18 | 周林斌 | A kind of manual vacuum tank |
| CN208839192U (en) * | 2018-09-21 | 2019-05-10 | 兴燊环境技术（深圳）有限公司 | A kind of active carbon effluent filter |
| CN209074218U (en) * | 2018-10-29 | 2019-07-09 | 广东力升电器有限公司 | A kind of i.e. hot direct drinking fountain of double filtration |
| CN214260902U (en) * | 2020-12-17 | 2021-09-24 | 德奥通用航空股份有限公司 | Multiple filtering component of water dispenser and water dispenser |
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