CN109005663B - Filter element and gravity water purifier - Google Patents
Filter element and gravity water purifier Download PDFInfo
- Publication number
- CN109005663B CN109005663B CN201780002304.3A CN201780002304A CN109005663B CN 109005663 B CN109005663 B CN 109005663B CN 201780002304 A CN201780002304 A CN 201780002304A CN 109005663 B CN109005663 B CN 109005663B
- Authority
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- China
- Prior art keywords
- filter element
- cover
- element body
- water tank
- 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.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 230000005484 gravity Effects 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 239000008213 purified water Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000000746 purification Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 108010036922 cytoplasmic linker protein 115 Proteins 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004575 stone Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
Abstract
The invention discloses a filter element and a gravity water purifier, wherein the filter element comprises: the lower end of the filter element body is provided with a water outlet; the flow limiting cover is arranged at the lower end of the filter element body, covers the water outlet and is provided with a flow limiting opening communicated with the water outlet; the flow-limiting opening is smaller than the water outlet. The technical scheme of the invention can reduce the water outlet speed of the filter element, thereby prolonging the contact time of water and the filter material in the filter element and further improving the filtering effect of the filter element.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a filter element and a gravity water purifier.
Background
At present, a common gravity water purifier comprises a raw water tank and a water purification tank positioned below the raw water tank, wherein the raw water tank is communicated with the water purification tank through a filter element, and raw water in the raw water tank flows into the water purification tank after being filtered into purified water by the filter element under the action of gravity. Because the water outlet of the common filter element is large, the water outlet speed of the filter element is high, raw water can quickly pass through the filter element, so that the contact time of the raw water and filter materials in the filter element is short, and the filtering effect is poor.
Disclosure of Invention
The invention mainly aims to provide a filter element, aiming at reducing the water outlet speed of the filter element, so as to prolong the contact time of water and filter material in the filter element and further improve the filtering effect of the filter element.
In order to achieve the above object, the present invention provides a filter element for a gravity water purifier, the filter element comprising:
the lower end of the filter element body is provided with a water outlet; and
the flow limiting cover is arranged at the lower end of the filter element body, covers the water outlet and is provided with a flow limiting port communicated with the water outlet; the flow-limiting opening is smaller than the water outlet.
Preferably, the caliber of the flow restriction opening ranges from 2.5mm to 5 mm.
Preferably, the flow-limiting cover is detachably connected with the lower end of the filter element body.
Preferably, the flow-limiting cover is clamped with the lower end of the filter element body.
Preferably, the flow-limiting cover is provided with a first cover edge sleeved at the lower end of the filter element body, one of the inner peripheral surface of the first cover edge and the outer peripheral surface of the lower end of the filter element body is provided with an annular clamping groove, and the other one is provided with an annular clamping rib which is matched with the annular clamping groove in an embedded manner.
Preferably, the flow-limiting cover is provided with a first cover edge sleeved at the lower end of the filter element body, and a sealing ring is arranged between the first cover edge and the lower end of the filter element body.
Preferably, the outer peripheral surface of the lower end of the filter element body is provided with a positioning ring groove for the sealing ring to be sleeved, and the sealing ring part protrudes out of the positioning ring groove and elastically abuts against the inner peripheral surface of the first cover edge.
Preferably, the filter element comprises a plurality of flow limiting covers, the size of the flow limiting openings of the flow limiting covers is different, and one flow limiting cover is selected to be installed at the lower end of the filter element body.
Preferably, the upper end of the filter element body is provided with a filter material mounting opening, the filter element further comprises an upper cover covering the filter material mounting opening, and the upper cover is detachably connected with the upper end of the filter element body; the water inlet of the filter element is arranged on the upper cover.
Preferably, the upper cover is clamped with the upper end of the filter element body.
Preferably, the upper cover is provided with a second cover edge sleeved at the upper end of the filter element body, one of the inner peripheral surface of the second cover edge and the outer peripheral surface of the upper end of the filter element body is provided with a screwing boss, and the other one is provided with a screwing clamp which is screwed and clamped with the screwing boss.
The invention also provides a gravity water purifier, which comprises an original water tank, a purified water tank and a filter element, wherein the purified water tank is arranged below the original water tank, the upper end of the filter element is positioned in the original water tank, the lower end of the filter element is positioned in the purified water tank, and the original water tank is communicated with the purified water tank through the filter element; the filter element comprises:
the lower end of the filter element body is provided with a water outlet; and
the flow limiting cover is arranged at the lower end of the filter element body, covers the water outlet and is provided with a flow limiting port communicated with the water outlet; the flow-limiting opening is smaller than the water outlet.
In the technical scheme of the invention, the flow limiting cover is additionally arranged on the filter element, and the flow limiting opening of the flow limiting cover is smaller than the water outlet of the filter element body, so that the water outlet speed of the filter element is reduced through the smaller flow limiting opening, the contact time of raw water and the filter material in the filter element body is prolonged, the raw water is in full contact with the filter material, the filtering effect of the filter element is further improved, and a user can obtain cleaner purified water through the gravity water purifier.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a gravity water purifier according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the gravity water purifier shown in FIG. 1 along the direction S-S;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
fig. 4 is an enlarged schematic view of fig. 2 at B.
The reference numbers illustrate:
reference numerals | Name (R) | Reference numerals | Name (R) |
1 | |
11 | |
12 | Current-limiting |
13 | |
14 | |
111 | |
112 | |
113 | |
114 | Filter |
115 | |
120 | Flow-limiting |
121 | First cover body |
122 | The |
123 | |
131 | |
132 | |
133 | |
134 | Hand rotating part |
2 | Raw water tank | 3 | Water purifying tank |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a filter element and a gravity water purifier with the same.
Referring to fig. 1 and 2, in one embodiment of the present invention, the gravity water purifier includes a raw water tank 2, a purified water tank 3, and a filter cartridge 1. Wherein, former water tank 2 below is located to water purification case 3, and the upper end of filter core 1 is located former water tank 2, and the lower extreme of filter core 1 is located water purification case 3, and just former water tank 2 communicates with water purification case 3 through filter core 1, so, raw water in the former water tank 2 is under the effect of gravity, after filter core 1 filters and becomes the water purification, flows into in water purification case 3.
In this embodiment, the filter element 1 used in the gravity water purifier includes:
the lower end of the filter element body 11 is provided with a water outlet 111; and
and a flow limiting cover 12 installed at the lower end of the filter element body 11 and covering the water outlet 111, wherein the flow limiting cover 12 is provided with a flow limiting port 120 communicated with the water outlet 111.
It can be understood that, in this embodiment, the flow restriction port 120 of the flow restriction cover 12 is smaller than the water outlet 111 of the filter element body 11, so as to reduce the water outlet speed of the filter element 1 through the smaller flow restriction port 120, thereby prolonging the contact time between the raw water and the filter material in the filter element body 11, and enabling the raw water to be in full contact with the filter material, so as to improve the filtering effect of the filter element 1, and enable a user to obtain cleaner purified water through the gravity water purifier.
Further, the flow-limiting cover 12 is detachably connected with the lower end of the filter element body 11, so that the flow-limiting cover 12 can be conveniently detached and replaced. In this embodiment, specifically, the flow-limiting cover 12 is clamped to the lower end of the filter element body 11, and it can be understood that, compared with a connection manner locked by a screw, the clamping connection manner does not require an additional tool, and the assembly process is simpler and more convenient.
Referring to fig. 3, in the present embodiment, the flow-limiting cover 12 includes a first cover 121 covering the water outlet 111, and a first cover rim 122 extending upward from a periphery of the first cover 121. Wherein, the restriction 120 is disposed on the first cover 121. The lower extreme of filter element body 11 is located along 122 cover to first lid, and the inner peripheral surface of first lid edge 122 is equipped with ring groove 123, and the outer peripheral face of filter element body 11 lower extreme then is equipped with the ring card muscle 112 of buckleing with ring groove 123 looks adaptation, so, current-limiting lid 12 and 11 accessible ring groove 123 of filter element body and the cooperation joint of ring card muscle 112, and realize fixedly. However, the design is not limited thereto, and in other embodiments, the positions of the annular locking groove and the annular locking rib may be interchanged, that is, the annular locking groove is disposed on the outer circumferential surface of the lower end of the filter element body 11, and the annular locking rib is correspondingly disposed on the inner circumferential surface of the first cover rim 122.
In this embodiment, in order to prevent water from flowing into the fresh water tank 3 from between the inner circumferential surface of the first cover rim 122 and the outer circumferential surface of the lower end of the filter element body 11 and to reduce the flow restriction function of the flow restriction port 120, a seal ring 14 is provided between the inner circumferential surface of the first cover rim 122 and the outer circumferential surface of the lower end of the filter element body 11. Preferably, the outer peripheral surface of the lower end of the filter element body 11 is provided with a positioning ring groove 113, and the positioning ring groove 113 is used for sleeving and positioning the sealing ring 14. Without loss of generality, the sealing ring 14 partially protrudes out of the positioning ring groove 113 and elastically abuts against the inner circumferential surface of the first cover rim 122.
Referring to fig. 2, in this embodiment, further, the upper end of the filter element body 11 is provided with a filter material mounting opening 114, the filter element 1 further includes an upper cover 13 covering the filter material mounting opening 114, and the upper cover 13 is detachably connected to the upper end of the filter element body 11, so that the filter material in the filter element body 11 can be replaced through the filter material mounting opening 114 only by detaching the upper cover 13 from the upper end of the filter element body 11, thereby improving the convenience of filter material replacement. In this embodiment, it can be understood that the water inlet of the filter element 1 is arranged on the upper cover 13; without loss of generality, the water inlet of the filter element 1 is in the form of a plurality of water inlet holes on the upper cover 13.
In this embodiment, specifically, the upper cover 13 is clamped to the upper end of the filter element body 11, and it can be understood that compared with a connection mode locked by screws, the clamping connection mode does not need to use an additional tool, and the assembly process is simpler and more convenient.
Referring also to fig. 4, in the present embodiment, the upper cover 13 includes a second cover 131 covering the filter attachment opening 114, and a second cover rim 132 extending downward from the periphery of the second cover 131. Wherein, the water inlet is arranged on the second cover 131. The second cover edge 132 is disposed at the upper end of the filter element body 11, and the inner circumferential surface of the second cover edge 132 is provided with a screw connection boss 133, and the outer circumferential surface of the upper end of the filter element body 11 is provided with a screw connection clamping position 115 engaged with the screw connection boss 133, so that the upper cover 13 and the filter element body 11 can be fixed by the rotation engagement of the screw connection boss 133 and the screw connection clamping position 115. However, the design is not limited thereto, and in other embodiments, the positions of the screw boss and the screw clip can be interchanged, that is, the screw boss is disposed on the outer circumferential surface of the upper end of the filter element body 11, and the screw clip is correspondingly disposed on the inner circumferential surface of the second cover rim 132.
In this embodiment, the screw-on clip 115 includes a lead-in section communicating with the upper end surface of the filter element body 11, and a limit section provided on the outer peripheral surface of the upper end of the filter element body 11 and extending along the circumferential direction, the lead-in section is communicated with one end of the limit section, and the screw-on boss 133 can enter the limit section from the lead-in section and enter one end of the limit section away from the lead-in section after the upper cover 13 is rotated.
In addition, in this embodiment, in order to facilitate the rotational engagement between the upper cover 13 and the upper end of the filter element body 11, the upper cover 13 is preferably provided with a handle 134 (see fig. 2) protruding upward; obviously, the handle 134 facilitates the user to grasp and rotate the upper cover 13.
In this embodiment, the filter cartridge 1 may further be configured with a plurality of flow-limiting covers 12, the size and specification of the flow-limiting ports 120 of the plurality of flow-limiting covers 12 are different, and the lower end of the filter cartridge body 11 may be connected to any one of the plurality of flow-limiting covers 12; it can be understood that the restriction caps 12 with different sizes of the restriction ports 120 have different restrictions on the water outlet speed of the filter element 1, and a user can select the restriction caps 12 with the restriction ports 120 with the required size and specification according to actual needs (for example, different filter materials and different filter effects in the filter element body 11).
In this embodiment, the aperture of the restriction 120 is preferably in a range of 2.5mm to 5mm, and it should be noted that the restriction 120 is not limited to be a round aperture, for example, when the restriction 120 is a square aperture or a special-shaped aperture, the aperture refers to an equivalent aperture; it can be understood that if the restriction 120 is too large, the restriction is weak, and if the restriction 120 is too small, the water outlet speed is hard to meet the water demand of the user.
Without loss of generality, when the filter material in the filter element body 11 is a combination of 100g of activated carbon and 100g of ion exchange resin, the flow limiting cover 12 with the flow limiting opening 120 being 2.5mm is usually configured, so that the filtering effect that the residual chlorine removal rate is more than 75% and the hardness removal rate is more than 50% can be achieved; when the filter material in the filter element body 11 is 200g of activated carbon, the flow limiting cover 12 with the flow limiting opening 120 being 3.5mm is usually configured, so that the filtering effect that the residual chlorine removal rate is more than 90 percent can be achieved; when the filter material in the filter element body 11 is a combination of 150g of active carbon and 100g of medical stone, a flow limiting cover 12 with a flow limiting opening 1205mm is usually configured, so that the filtering effect that the residual chlorine removal rate is more than 50% can be achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A filter element for a gravity water purifier, the filter element comprising:
the lower end of the filter element body is provided with a water outlet; and
the flow limiting cover is arranged at the lower end of the filter element body, covers the water outlet and is provided with a flow limiting port communicated with the water outlet; the flow limiting port is smaller than the water outlet;
the flow limiting cover is detachably connected with the lower end of the filter element body;
the filter element comprises a plurality of flow limiting covers, the flow limiting openings of the flow limiting covers are different in size, and one flow limiting cover is selected to be installed with the lower end of the filter element body;
the flow-limiting cover is provided with a first cover edge sleeved at the lower end of the filter element body, one of the inner peripheral surface of the first cover edge and the outer peripheral surface of the lower end of the filter element body is provided with an annular clamping groove, and the other one is provided with an annular clamping rib which is matched with the annular clamping groove in an embedded and buckled manner.
2. The filter cartridge of claim 1, wherein the restriction has a caliber in the range of 2.5mm to 5 mm.
3. The filter cartridge of claim 1, wherein a gasket is disposed between the first cover rim and the lower end of the filter cartridge body.
4. The filter element as claimed in claim 3, wherein the outer peripheral surface of the lower end of the filter element body is provided with a positioning ring groove for the sealing ring to be sleeved, and the sealing ring partially protrudes out of the positioning ring groove and elastically abuts against the inner peripheral surface of the first cover rim.
5. The filter element of claim 1, wherein the filter element body has a filter element mounting opening at an upper end thereof, the filter element further comprising an upper cover covering the filter element mounting opening, the upper cover being detachably connected to the upper end of the filter element body; the water inlet of the filter element is arranged on the upper cover.
6. The filter cartridge of claim 5, wherein the upper cover is snap-fit to the upper end of the cartridge body.
7. The filter element as claimed in claim 6, wherein the upper cover has a second cover rim sleeved on the upper end of the filter element body, one of the inner peripheral surface of the second cover rim and the outer peripheral surface of the upper end of the filter element body is provided with a screwing boss, and the other one is provided with a screwing block engaged with the screwing boss.
8. A gravity water purifier comprising a raw water tank, a purified water tank, and the filter element according to any one of claims 1 to 7, wherein the purified water tank is disposed below the raw water tank, an upper end of the filter element is disposed in the raw water tank, a lower end of the filter element is disposed in the purified water tank, and the raw water tank is communicated with the purified water tank through the filter element.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2017/079356 WO2018176489A1 (en) | 2017-04-01 | 2017-04-01 | Filter element and gravity water purifier |
Publications (2)
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CN109005663A CN109005663A (en) | 2018-12-14 |
CN109005663B true CN109005663B (en) | 2021-06-25 |
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CN201780002304.3A Active CN109005663B (en) | 2017-04-01 | 2017-04-01 | Filter element and gravity water purifier |
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CN (1) | CN109005663B (en) |
WO (1) | WO2018176489A1 (en) |
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CN109622458B (en) * | 2019-01-11 | 2020-12-18 | 浙江如裕纺织科技股份有限公司 | Multifunctional cleaning device for spinning |
CN110925911B (en) * | 2019-12-30 | 2021-11-23 | 派洛奇科技(广东)有限公司 | Air purifying device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090037325A (en) * | 2007-10-10 | 2009-04-15 | 장 제임스 | Water filter cartridge apparatus and purifier comprising the same |
CN102515336A (en) * | 2011-12-16 | 2012-06-27 | 艾欧史密斯(上海)水处理产品有限公司 | Cavity-divided filter element |
CN103553235A (en) * | 2013-10-22 | 2014-02-05 | 慈溪众博塑业电器有限公司 | Filter element for purifying running water |
CN203577450U (en) * | 2013-10-12 | 2014-05-07 | 宁波清清环保电器有限公司 | Filter cartridge capable of adjusting filtering flow velocity |
CN204380380U (en) * | 2015-01-13 | 2015-06-10 | 奔腾电器(上海)有限公司 | Quick joint structure of water purifier filter element |
-
2017
- 2017-04-01 CN CN201780002304.3A patent/CN109005663B/en active Active
- 2017-04-01 WO PCT/CN2017/079356 patent/WO2018176489A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090037325A (en) * | 2007-10-10 | 2009-04-15 | 장 제임스 | Water filter cartridge apparatus and purifier comprising the same |
CN102515336A (en) * | 2011-12-16 | 2012-06-27 | 艾欧史密斯(上海)水处理产品有限公司 | Cavity-divided filter element |
CN203577450U (en) * | 2013-10-12 | 2014-05-07 | 宁波清清环保电器有限公司 | Filter cartridge capable of adjusting filtering flow velocity |
CN103553235A (en) * | 2013-10-22 | 2014-02-05 | 慈溪众博塑业电器有限公司 | Filter element for purifying running water |
CN204380380U (en) * | 2015-01-13 | 2015-06-10 | 奔腾电器(上海)有限公司 | Quick joint structure of water purifier filter element |
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WO2018176489A1 (en) | 2018-10-04 |
CN109005663A (en) | 2018-12-14 |
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