CN109045809B - Filter core runner structure, composite filter element and water purifier - Google Patents
Filter core runner structure, composite filter element and water purifier Download PDFInfo
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- CN109045809B CN109045809B CN201810961221.3A CN201810961221A CN109045809B CN 109045809 B CN109045809 B CN 109045809B CN 201810961221 A CN201810961221 A CN 201810961221A CN 109045809 B CN109045809 B CN 109045809B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 546
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 60
- 238000005192 partition Methods 0.000 claims abstract description 52
- 210000001503 joint Anatomy 0.000 claims description 82
- 239000000463 material Substances 0.000 claims description 74
- 238000004891 communication Methods 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims 3
- 238000007789 sealing Methods 0.000 abstract description 60
- 230000005465 channeling Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 description 56
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 208000034656 Contusions Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000009519 contusion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides a flow passage structure of a composite filter element, which adopts an integrated shell, thereby not only simplifying the manufacturing process, but also avoiding the increased water leakage risk caused by the existence of seams; the first filtering cavity and the second filtering cavity in the shell are completely separated by the partition plate, and the two sides of the partition plate are provided with multi-stage sealing structures, so that the conditions of water channeling, water leakage and the like can be prevented, the problem of insufficient sealing property among the filtering cavities is fundamentally solved, and the filtering quality of the filter element is improved; in addition, divide water spare and drainage tube to close as an organic wholely, stability is higher, and the leakproofness is better to, because the front and back filter cavity inversion, thereby reduced the degree of difficulty of dividing the water spare die sinking, improved the intensity of drainage tube, make drainage tube non-deformable, life is longer. In addition, the invention also provides a water purifier adopting the composite filter element, which has the advantages of good sealing performance, no risk of water channeling and water leakage, low assembly difficulty, long service life and the like.
Description
Technical Field
The invention relates to the technical field of filter elements, in particular to a filter element flow passage structure, a composite filter element and a water purifier.
Background
The existing water purifier generally adopts multi-stage filtration, and the arranged composite filter element comprises a front PP cotton filter element, a front activated carbon filter element, an RO filter element (reverse osmosis filter element), a rear activated carbon filter element and the like. In order to reduce the total number of the composite filter elements and the volume of the water purifier, the water purifier generally integrates a plurality of composite filter elements into one composite filter element, namely, the composite filter element contains multi-stage filtration, and each stage of filter element material is respectively positioned in different filter cavities and is communicated with a corresponding water inlet and a corresponding water outlet through a flow passage.
However, most of the currently marketed composite filter elements have the following defects:
1. the problems of insufficient sealing performance exist among the filtering cavities, among the runners and between the filtering cavities and the runners, and the conditions of water leakage, water leakage and the like are easy to occur, so that the filtering quality is influenced;
2. the drainage tube penetrating into the filtering cavity is not firmly installed and is easy to deform;
3. the shell of the composite filter element is formed by combining the shell in a sectional bonding mode, so that the manufacturing process is complicated, and the water leakage risk of the composite filter element is greatly increased due to the existence of seams.
Disclosure of Invention
In order to solve the technical problems, the invention provides a filter element flow passage structure which has the advantages of simple structure, good sealing performance, no risk of water leakage and water leakage, low assembly difficulty, long service life and the like.
Based on the structure, the invention provides a filter element flow passage structure, which comprises a shell, a filter material and a water diversion piece;
the interior of the shell is provided with a partition plate, a first filtering cavity and a second filtering cavity which are formed by the partition plate, the filter material comprises a first filter material arranged in the first filter cavity and a second filter material arranged in the second filter cavity, a first water inlet flow channel is formed between the outer side wall of the first filter material and the shell, a first cavity channel which penetrates through two ends of the first filter material and is used as a first water outlet flow channel is arranged in the first filter material, a second water inlet flow channel is formed between the outer side wall of the second filter material and the shell, a second cavity channel which penetrates through two ends of the second filter material and is used as a second water outlet flow channel is arranged in the second filter material, the first end of the shell is provided with a first opening communicated with the first filtering cavity, the water distribution piece is arranged at the first opening, and the first end of the first filtering material is abutted against the water distribution piece;
divide and be equipped with first minute water inlet channel, first minute water outlet channel, second minute water inlet channel and second minute water outlet channel in the piece that divides, divide the piece to be equipped with the intercommunication first minute water inlet channel with the first intercommunication mouth and the intercommunication of first water inlet channel first minute water outlet channel with the second intercommunication mouth of first water outlet channel, divide the piece still be equipped with the second minute water inlet channel be linked together intake the drainage tube and with the second minute water outlet channel is linked together the play water drainage tube, intake the drainage tube with go out the water drainage tube stretch to the division board, the division board is equipped with the intercommunication intake the drainage tube with the first water inflow of second water inlet channel crosses the discharge hole and communicates go out the water drainage tube with the first play water of second water outlet channel crosses the discharge hole.
As a preferred scheme, a rotating shaft is arranged at one end, far away from the first filter material, of the water diversion piece, the first communicating port is arranged on the rotating shaft, and the second communicating port is arranged at one end, far away from the rotating shaft, of the water diversion piece.
Preferably, a first flow guide pipe extending into the first cavity is arranged at one end, away from the rotating shaft, of the water diversion piece, the first flow guide pipe is communicated with the first water diversion outlet channel through the second communication port, and the water inlet drainage pipe and the water outlet drainage pipe extend outwards from the inside of the first flow guide pipe.
As a preferred scheme, one end of the water diversion piece, which is far away from the rotating shaft, is provided with a first groove, the first end of the first filter material is inserted into the first groove, the second communication port is arranged at the bottom of the first groove, and the water inlet drainage tube, the water outlet drainage tube and the first flow guide tube extend outwards from the inside of the first groove.
As preferred scheme, the second end of first filter media with be equipped with first filter lid between the division board, first filter cover be equipped with the second that the discharge orifice is linked together is intake cross the discharge orifice and with the second that the discharge orifice is linked together is crossed to first play water cross the discharge orifice, intake the drainage tube peg graft in the second is intake and is flowed through downtheholely, go out the water drainage tube peg graft in the second is gone out water and is flowed through downthehole.
As preferred scheme, first filter cover is equipped with the notch orientation the second recess of first filter media, the tank bottom of second recess is equipped with first connection boss, the second is intake cross the discharge orifice with the second goes out the discharge orifice and extends to the top of first connection boss, the second end of first filter media inserts in the second recess, first connection boss inserts in the first chamber says.
As preferred scheme, first filter the lid orientation the one end of division board is equipped with first spliced pole of intaking and first spliced pole of going out, the second is intake to cross the discharge orifice and is extended to the top of first spliced pole of intaking, the second is gone out the water and is crossed the discharge orifice and extend to the top of first spliced pole of going out, first spliced pole of intaking peg graft in first intake is crossed downtheholely, and first spliced pole of going out pegs graft in first play water is crossed downthehole.
As a preferred scheme, be connected with the limiting plate between the piece that divides water and the first lid of straining, the lateral wall of dividing water is equipped with the confession the first spacing groove of the first end male of limiting plate, the lateral wall of first lid of straining is equipped with the confession the second spacing groove of the second end male of limiting plate.
As a preferred scheme, a first fool-proof structure consisting of a first clamping block and a first clamping groove is arranged between the partition plate and the first filter cover;
the first clamping block is arranged on one side, facing the first filtering cavity, of the partition plate, and the first clamping groove is arranged on one side, facing the partition plate, of the first filtering cover;
or the first clamping groove is formed in one side, facing the first filtering cavity, of the partition plate, and the first clamping block is arranged on one side, facing the partition plate, of the first filtering cover.
And as a preferred scheme, a second filter cover is arranged between the first end of the second filter material and the partition plate, and a third effluent overflowing hole communicated with the first effluent overflowing hole is formed in the second filter cover.
Preferably, a second water outlet connecting column is arranged at one end, facing the partition plate, of the second filter cover, the third water outlet overflowing hole extends to the top end of the second water outlet connecting column, and the second water outlet connecting column is inserted into the first water outlet overflowing hole.
As preferred scheme, the second is strained the lid and is equipped with the notch orientation the third recess of second filter media, the tank bottom of third recess is equipped with the second and connects the boss, the third play rivers overflowing hole extends to the top of boss is connected to the second, the first end of second filter media inserts in the third recess, the second is connected the boss and is inserted in the second chamber is said.
As a preferred scheme, a second fool-proof structure consisting of a second clamping block and a second clamping groove is arranged between the partition plate and the second filter cover;
the second clamping block is arranged on one side, facing the second filtering cavity, of the partition plate, and the second clamping groove is arranged on one side, facing the partition plate, of the second filtering cover;
or the second clamping groove is formed in one side, facing the second filtering cavity, of the partition plate, and the second clamping block is arranged on one side, facing the partition plate, of the second filtering cover.
As a preferred scheme, the second end of the second filter material is provided with a third filter cover, the third filter cover is provided with a fourth groove with a notch facing the second filter material, a third connecting boss is arranged at the bottom of the fourth groove, the second end of the second filter material is inserted into the fourth groove, and the third connecting boss is inserted into the second cavity.
According to a preferable scheme, a second flow guide pipe penetrates through the second cavity channel, the first end of the second flow guide pipe is inserted into the third water outlet flow through hole, a transversely-through communication groove is formed in the third connecting boss, an insertion position is arranged at the notch position of the communication groove, and the second end of the second flow guide pipe is inserted into the insertion position and communicated with the second water outlet flow channel through the communication groove.
As a preferred scheme, the lateral wall of the rotating shaft is provided with a first water diversion piece butt joint port (inlet) communicated with the first water diversion inlet channel, a first water diversion piece butt joint port (outlet) communicated with the first water diversion outlet channel, a second water diversion piece butt joint port (inlet) communicated with the second water diversion inlet channel and a second water diversion piece butt joint port (outlet) communicated with the second water diversion outlet channel, and the first water diversion piece butt joint port (inlet), the first water diversion piece butt joint port (outlet), the second water diversion piece butt joint port (inlet) and the second water diversion piece butt joint port (outlet) are distributed on the lateral wall of the rotating shaft along the circumferential direction of the rotating shaft.
As a preferred scheme, the first filter material adopts a rear-mounted active carbon filter material, the second filter material adopts a front-mounted active carbon filter material and a PP cotton filter material, and the PP cotton filter material is sleeved outside the front-mounted active carbon filter material.
Another objective of the present invention is to provide a composite filter element, which includes the above flow channel structure.
Another object of the present invention is to provide a water purifier, which comprises the composite filter element.
The embodiment of the invention has the following beneficial effects:
the filter element flow passage structure provided by the invention comprises a shell, a filter material and a water distribution piece, wherein the shell adopts an integrated structure, so that the manufacturing process is simplified, and the increased water leakage risk caused by the existence of seams is avoided; the first filtering cavity and the second filtering cavity are completely separated by the partition plate, and the two sides of the partition plate are provided with the multi-stage sealing structures, so that the conditions of water leakage, water leakage and the like can be prevented, the problem of insufficient sealing property among the filtering cavities is fundamentally solved, and the filtering quality of the filter element is improved; in addition, divide water spare and drainage tube to close as an organic wholely, stability is higher, and the leakproofness is better to, because the front and back filter cavity inversion, thereby reduced the degree of difficulty of dividing the water spare die sinking, improved the intensity of drainage tube, make drainage tube non-deformable, life is longer.
In addition, the invention also provides a water purifier and a composite filter element thereof, and the composite filter element adopts the flow channel structure, so that the water purifier has the advantages of good sealing performance, no risk of water leakage and water leakage, low assembly difficulty, long service life and the like.
Drawings
Fig. 1 is an exploded view of a composite filter element according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a housing and a filter according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a first end cap according to an embodiment of the invention.
FIG. 4 is a schematic view of the filter material, the water diversion component and the filter cover of the embodiment of the invention installed in the filter cavity.
Fig. 5 is a schematic structural view of the water diversion member according to the embodiment of the present invention.
Fig. 6 is a schematic structural view of a water diversion channel according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a water blocking member according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of a water blocking flow passage according to an embodiment of the present invention.
Fig. 9 is a schematic structural view of a profile seal ring according to an embodiment of the present invention.
Fig. 10 is a schematic structural view of a first draft tube according to an embodiment of the present invention.
FIG. 11 is a schematic view of a seal between a first filter chamber and a second filter chamber in an embodiment of the invention.
Fig. 12 is an assembly diagram of the water diversion member, the first filter material and the first filter cover according to the embodiment of the present invention.
Fig. 13 is a schematic structural view of the first filter cover according to the embodiment of the present invention.
Fig. 14 is an assembly diagram of the second filter cover, the second filter medium, and the third filter cover according to the embodiment of the present invention.
Fig. 15 is a schematic structural view of a second filter cover according to an embodiment of the present invention.
Fig. 16 is an assembly view of the third filter cover and the second flow conduit according to the embodiment of the present invention.
Fig. 17 is a schematic diagram of the flow path of two water streams according to an embodiment of the present invention.
Fig. 18 is a schematic view of a first fool-proof structure according to an embodiment of the invention.
FIG. 19 is a diagram of a second fool-proof structure according to the embodiment of the invention.
Description of reference numerals:
1. a shell, 1.1, a partition board, 1.2, a first filtering cavity, 1.3, a second filtering cavity, 1.4, a first opening, 1.5, a second opening, 1.6, a first water inlet overflowing hole, 1.7, a first water outlet overflowing hole, 1.8, a first clamping block, 1.9, a second clamping block, 2, a first end cover, 2.1, an installation position, 2.2, a first through hole, 2.3, a lug, 3, a second end cover, 4, a first filtering material, 4.1, a first cavity channel, 5, a second filtering material, 5.1, a second cavity channel, 6, a water diversion piece, 6.1, a rotating shaft, 6.2, a first annular groove, 6.3, a sealing groove, 6.4, a first water diversion inlet channel, 6.5, a first water outlet channel, 6.6, a second water diversion channel, 6.7, a second water diversion channel, 6.8, a first water diversion piece, a first water inlet (9.9), a butt joint piece (11.11), a butt joint piece, a first water inlet (11) and a butt joint piece), 6.12, a process opening, 6.13, a first water sealing cover, 6.14, a water sealing plug, 6.15, a first communicating opening, 6.16, a first groove, 6.17, a first flow guide pipe, 6.18, a second communicating opening, 6.19, a water inlet drainage pipe, 6.20, a water outlet drainage pipe, 6.21, a support plate, 6.22, a first limiting groove, 7, a water blocking piece, 7.1, a rotating hole, 7.2, a sliding groove, 7.3, a first water blocking inlet channel, 7.4, a first water blocking outlet channel, 7.5, a second water blocking inlet channel, 7.6, a second water blocking outlet channel, 7.7, a first water blocking piece butt joint opening (inlet), 7.8, a first water blocking piece butt joint opening (outlet), 7.9, a second water blocking piece butt joint opening (inlet), 7.10, a second water blocking piece butt joint opening (outlet), 7.11, a first water inlet convex column, 7.12, a second water blocking cover, 7.14, a second convex column, a second water inlet, 7.17, a second water outlet, a first convex column, a second water inlet, a second water outlet, 7.11, a second convex column inlet, a water outlet, a second convex column inlet, a second convex column, a water outlet, a second convex column inlet, 7.19, a fabrication hole, 7.20, a second water sealing cover, 8, a first sealing ring, 9, a sealing element, 9.1, a first rib, 9.2, a second rib, 9.3, a sealing unit lattice, 10, a second sealing ring, 11, a first filter cover, 11.1, a second groove, 11.2, a first connecting boss, 11.3, a second water inlet overflowing hole, 11.4, a second water outlet overflowing hole, 11.5, a first water inlet connecting column, 11.6, a first water outlet connecting column, 11.7, a second annular groove, 11.8, a first clamping groove, 11.9, a second limiting groove, 12, a third sealing ring, 13, a pressing cover, 13.1, a second through hole, 14, a fourth sealing ring, 15, a second filter cover, 15.1, a third water outlet overflowing hole, 15.2, a second water outlet connecting column, 15.3, a third annular groove, 15.4, a third groove, 15.5, a second sealing ring, a fourth sealing ring, a fifth sealing ring, a fourth sealing ring, a, 18.2, a third connecting boss 18.3, a communicating groove 18.4, a plugging position 19 and a limiting plate.
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.
As shown in fig. 1 to 4, an embodiment of the present invention provides a composite filter element, which mainly includes a housing 1, a filter material, and a water stop assembly. The casing 1 is a cylinder, its inside is equipped with division board 1.1 and filters cavity 1.2 and second by division board 1.1 partition first filter cavity 1.2 that forms, division board 1.1's both sides surface all is equipped with radial strengthening rib, the first end of casing 1 is equipped with first opening 1.4 and the first end cap 2 with first opening 1.4 looks adaptation that is linked together with first filter cavity 1.2, the second end of casing 1 is equipped with the second opening 1.5 that is linked together with second filter cavity 1.3 and the second end cap 3 with second opening 1.5 looks adaptation, and, the one end that casing 1 was kept away from to first end cap 2 is equipped with installation position 2.1, the bottom of installation position 2.1 is equipped with the first through-hole 2.2 that is linked together with first filter cavity 1.2. The filter media is also the cylinder, it includes first filter media 4 and second filter media 5, first filter media 4 is located in first filter chamber 1.2, and, form first water channel between the lateral wall of first filter media 4 and the casing 1, the inside of first filter media 4 is equipped with and link up its both ends and regard as first chamber way 4.1 of first play water channel, it is same, second filter media 5 is located in second filter chamber 1.3, form second water channel between the lateral wall of second filter media 5 and the casing 1, the inside of second filter media 5 is equipped with and link up its both ends and regard as the first chamber way 5.1 of second play water channel. The stagnant water subassembly is including dividing water piece 6 and manger plate piece 7, the two is the integrated into one piece shaping, divide water piece 6 to locate first opening 1.4 department, the first end of first filter media 4 and divide water piece 6 looks butt, manger plate piece 7 is located in installation position 2.1, divide and rotate through the shaft hole structure of compriseing pivot 6.1 and commentaries on classics hole 7.1 between water piece 6 and the manger plate piece 7 and be connected, wherein, pivot 6.1 is located on dividing water piece 6, it locates on the manger plate piece 7 to change hole 7.1, pivot 6.1 passes first through-hole 2.2 and stretches into and realizes in changeing hole 7.1 that the rotation between water piece 7 and the water piece 6 is connected.
Further, on the basis of fig. 1, referring to fig. 5 to 8, a water diversion channel is arranged in the water diversion piece 6, a water blocking channel is arranged in the water blocking piece 7, the water diversion piece 6 is provided with a water diversion piece butt joint communicated with the water diversion channel, the water blocking piece 7 is provided with a water blocking piece butt joint communicated with the water blocking channel and used for butt joint with the water diversion piece butt joint, the water diversion piece butt joint is arranged on the outer side wall of the rotating shaft 6.1, the water blocking piece butt joint is arranged on the inner side wall of the rotating hole 7.1, namely, the side face of relative rotation between the rotating shaft 6.1 and the rotating hole 7.1 is a butt joint face of the water diversion piece butt joint and the water blocking piece butt joint, and the water blocking piece butt joint are in butt joint and staggered through relative rotation between the water diversion piece butt joint and the water blocking piece butt joint through. Based on above-mentioned structure, the stagnant water subassembly adopts the mode that the side leads to the break-make water, has not only simplified the structure to improve the smooth degree when dividing water 6 and water blocking 7 relative rotation under the prerequisite of guaranteeing the leakproofness, reduced the pause when rotatory and frustrated and feel, thereby have better controlling and feel. Certainly, the rotating shaft 6.1 on the water dividing piece 6 and the rotating hole 7.1 on the water blocking piece 7 can exchange positions, namely the rotating hole 7.1 is arranged on the water dividing piece 6, the butt joint of the water dividing piece is arranged on the inner side wall of the rotating hole 7.1, the rotating shaft 6.1 is arranged on the water blocking piece 7, the butt joint of the water blocking piece is arranged on the outer side wall of the rotating shaft 6.1, and the technical effects brought by the position exchange are the same.
Preferably, as shown in fig. 3, 5 and 7, a first sealing ring 8 sleeved outside the rotating shaft 6.1 is disposed between the rotating shaft 6.1 and the first through hole 2.2, and a first annular groove 6.2 for the first sealing ring 8 to be clamped is disposed on an outer side wall of the rotating shaft 6.1. Be equipped with the rotation limit structure who comprises lug 2.3 and spout 7.2 between first end cover 2 and the water blocking piece 7, wherein, the interior bottom surface of installation position 2.1 is located to lug 2.3, and spout 7.2 locates the terminal surface that water blocking piece 7 orientation divides water piece 6 to, there is as follows the relation between rotation limit structure and the stagnant water subassembly: when the lug 2.3 slides to the first end of the sliding groove 7.2, the water dividing piece butt joint port is completely butted with the water retaining piece butt joint port; when the projection 2.3 slides to the second end of the sliding groove 7.2, the water diversion piece butt joint port and the water blocking piece butt joint port are completely staggered. Based on the sliding limiting structure, a user can quickly and accurately butt or stagger the butt joint of the water dividing piece and the butt joint of the water retaining piece without intentionally controlling the relative rotation angle between the water dividing piece 6 and the water retaining piece 7, so that the sliding limiting structure has better controllability. Of course, the positions of the projection 2.3 in the mounting position 2.1 and the sliding groove 7.2 on the water stop 7 can be interchanged, that is, the projection 2.3 is arranged on the end surface of the water stop 7 facing the water diversion part 6, and the sliding groove 7.2 is arranged on the inner bottom surface of the mounting position 2.1, and the technical effects brought by the interchange of the positions are the same.
Furthermore, as shown in fig. 3 and 9, in order to improve the sealing performance between the water diversion piece butt joint and the water blocking piece butt joint and prevent the water channeling and leaking between the adjacent water diversion piece butt joints or between the adjacent water blocking piece butt joints when the rotating shaft 6.1 and the rotating hole 7.1 rotate relatively, a sealing element 9 sleeved outside the rotating shaft 6.1 is arranged between the rotating shaft 6.1 and the rotating hole 7.1, and a sealing groove 6.3 for the sealing element 9 to be clamped is arranged on the outer side wall of the rotating shaft 6.1. Specifically, the sealing element 9 includes two first ribs 9.1 and a plurality of second ribs 9.2 connected therebetween, wherein the first ribs 9.1 are preferably annular, and may optionally be formed into an annular elongated shape, two adjacent second ribs 9.2 and the two first ribs 9.1 form one sealed cell 9.3, the butt joints of different water diversion members are respectively located in different sealed cells 9.3, and at least one sealed cell 9.3 is arranged between two sealed cells 9.3 corresponding to the butt joints of the adjacent water diversion members. Based on this, the first and second ribs 9.1 can prevent the gap between the rotating shaft 6.1 and the rotating hole 7.1 from overflowing, the sealing unit lattice 9.3 formed by the second ribs 9.2 separates each water diversion piece butt joint port from each other, and along with the rotation between the rotating shaft 6.1 and the rotating hole 7.1, the sealing unit lattice 9.3 rotates along with the corresponding water diversion piece butt joint port, when the water diversion piece butt joint port is staggered with the water retaining piece butt joint port, the water overflowing from the water diversion piece butt joint port is always reserved in the sealing unit lattice 9.3, and meanwhile, the water overflowing from the water retaining piece butt joint port flows into the corresponding sealing unit lattice 9.3; when the water dividing piece butt joint port is in butt joint with the water retaining piece butt joint port again, water overflowing from the water retaining piece butt joint ports is reserved in the corresponding sealing unit cells 9.3 respectively, and mutual flowing and cross infection cannot occur. Therefore, the sealing element 9 well solves the problems of water channeling and water leakage between the abutting interfaces of adjacent water diversion pieces or between the abutting interfaces of water retaining pieces.
As shown in fig. 5 to 8, the diversion flow channel includes a first diversion flow channel and a second diversion flow channel, wherein the first diversion flow channel includes a first diversion inlet flow channel 6.4 and a first diversion outlet flow channel 6.5, and the second diversion flow channel includes a second diversion inlet flow channel 6.6 and a second diversion outlet flow channel 6.7; correspondingly, the water diversion piece butt joint comprises a first water diversion piece butt joint port (inlet) 6.8 communicated with the first water diversion inlet flow channel 6.4, a first water diversion piece butt joint port (outlet) 6.9 communicated with the first water diversion outlet flow channel 6.5, a second water diversion piece butt joint port (inlet) 6.10 communicated with the second water diversion inlet flow channel 6.6 and a second water diversion piece butt joint port (outlet) 6.11 communicated with the second water diversion outlet flow channel 6.7, the four water diversion flow channels are arranged in the rotating shaft 6.1, and the four water diversion piece butt joint ports are distributed on the outer side wall of the rotating shaft 6.1 along the circumferential direction of the rotating shaft 6.1. Similarly, the water blocking flow channel comprises a first water blocking inlet flow channel 7.3 corresponding to the first water diversion inlet flow channel 6.4, a first water blocking outlet flow channel 7.4 corresponding to the first water diversion outlet flow channel 6.5, a second water blocking inlet flow channel 7.5 corresponding to the second water diversion inlet flow channel 6.6 and a second water blocking outlet flow channel 7.6 corresponding to the second water diversion outlet flow channel 6.7; correspondingly, the water blocking piece butt joint comprises a first water blocking piece butt joint opening (inlet) 7.7 communicated with the first water blocking inlet channel 7.3, a first water blocking piece butt joint opening (outlet) 7.8 communicated with the first water blocking outlet channel 7.4, a second water blocking piece butt joint opening (inlet) 7.9 communicated with the second water blocking inlet channel 7.5 and a second water blocking piece butt joint opening (outlet) 7.10 communicated with the second water blocking outlet channel 7.6, and the four water blocking piece butt joint openings are distributed on the inner side wall of the rotary hole 7.1 along the circumferential direction of the rotary hole 7.1.
Further, as shown in fig. 7 to 8, one end of the water diversion piece 6 of the water stop piece 7, which is far away from the water diversion piece 6, is provided with a first water inlet convex column 7.11, a first water outlet convex column 7.12, a second water inlet convex column 7.13 and a second water outlet convex column 7.14, wherein a first water inlet 7.15 communicated with the first water stop inlet channel 7.3 is arranged at the top end of the first water inlet convex column 7.11, a first water outlet 7.16 communicated with the first water stop outlet channel 7.4 is arranged at the top end of the first water outlet convex column 7.12, a second water inlet 7.17 communicated with the second water stop inlet channel 7.5 is arranged at the top end of the second water inlet convex column 7.13, and a second water outlet 7.18 communicated with the second water stop outlet channel 7.6 is arranged at the top end of the second water outlet convex column 7.14. When the composite filter element is arranged on the base, the water inlet and outlet convex columns are inserted into the corresponding slots to realize the fixation of the water retaining piece 7, and the water inlet and outlet are communicated with the external water inlet and outlet pipeline at the bottom of the slot, therefore, when a user rotates the composite filter element, the water dividing piece 6 and the water retaining piece 7 can rotate relatively, and the water on-off operation of the filter element is further realized.
Preferably, as shown in fig. 5 and 7, the top end of the rotating shaft 6.1 is provided with a process port 6.12 which is communicated with the first divided water inlet channel 6.4, the first divided water outlet channel 6.5, the second divided water inlet channel 6.6 and the second divided water outlet channel 6.7, and the process port 6.12 is provided to facilitate the manufacturing and forming of the divided water channels. The technical port 6.12 is welded with a first water sealing cover 6.13 which is matched with the technical port through an ultrasonic technology, and the inner side surface of the first water sealing cover 6.13 is provided with water sealing plugs 6.14 which are in one-to-one correspondence with the water distribution flow passages. Similarly, the outer side wall of the water blocking piece 7 is provided with four fabrication holes 7.19 which are correspondingly communicated with the first water blocking inlet channel 7.3, the first water blocking outlet channel 7.4, the second water blocking inlet channel 7.5 and the second water blocking outlet channel 7.6 one by one, and the fabrication of the water blocking channels is also facilitated by the fabrication holes 7.19. The second water sealing covers 7.20 which are matched with each other are welded in the process holes 7.19 through the ultrasonic technology, and second sealing rings 10 are embedded in the process holes 7.19.
On the basis of fig. 4, referring to fig. 5, 6 and 10, the rotating shaft 6.1 is provided with a first communicating port 6.15 for communicating the first divided water inlet channel 6.4 and the first water inlet channel; a first groove 6.16 is arranged at one end of the water diversion piece 6 far away from the rotating shaft 6.1, a first guide pipe 6.17 extends outwards from the first groove 6.16, and the first guide pipe 6.17 is communicated with the first water diversion outlet channel 6.5 through a second communication port 6.18 arranged at the bottom of the first groove 6.16; the first end of the first filter material 4 is inserted into the first groove 6.16, and the first guide pipe 6.17 extends into the first cavity 4.1 of the first filter material 4 and is communicated with the first water outlet flow passage. On the basis, an inlet water drainage tube 6.19 communicated with the second water diversion inlet channel 6.6 and an outlet water drainage tube 6.20 communicated with the second water diversion outlet channel 6.7 extend outwards from the inside of the first flow guide tube 6.17, and the inlet water drainage tube 6.19 and the outlet water drainage tube 6.20 extend out from the inside of the first flow guide tube 6.17 into the first cavity 4.1 and continue to extend towards the partition plate 1.1, correspondingly, the partition plate 1.1 is provided with a first inlet water overflowing hole 1.6 and a first outlet water overflowing hole 1.7, wherein the first inlet water overflowing hole 1.6 is communicated with the inlet water drainage tube 6.19 and the second water inlet channel, and the first outlet water overflowing hole 1.7 is communicated with the outlet water drainage tube 6.20 and the second water outlet channel. In addition, a supporting plate 6.21 passing through the central axis of the first guide pipe 6.17 is arranged in the pipe cavity of the first guide pipe, and a water inlet drainage pipe 6.19 and a water outlet drainage pipe 6.20 are arranged on the supporting plate 6.21.
As shown in fig. 11 to 12, a first filter cover 11 is disposed between the second end of the first filter 4 and the partition plate 1.1, the first filter cover 11 is provided with a second groove 11.1 having a notch facing the first filter 4, a first connecting boss 11.2 is disposed at the bottom of the second groove 11.1, the second end of the first filter 4 is inserted into the second groove 11.1, and the first connecting boss 11.2 is inserted into the first cavity 4.1 of the first filter 4. On the basis, the first filter cover 11 is provided with a second inlet overflowing hole 11.3 communicated with the first inlet overflowing hole 1.6 and a second outlet overflowing hole 11.4 communicated with the first outlet overflowing hole 1.7, and the second inlet overflowing hole 11.3 and the second outlet overflowing hole 11.4 extend to the top end of the first connecting boss 11.2, so that the inlet drainage tube 6.19 is inserted in the second inlet overflowing hole 11.3, and the outlet drainage tube 6.20 is inserted in the second outlet overflowing hole 11.4. Third sealing rings 12 are respectively arranged between the water inlet drainage tube 6.19 and the second water inlet overflowing hole 11.3 and between the water outlet drainage tube 6.20 and the second water outlet overflowing hole 11.4, and the third sealing rings 12 are sleeved outside the water inlet drainage tube 6.19 and the water outlet drainage tube 6.20. In addition, the top end of the first connecting boss 11.2 is also provided with a gland 13 welded by an ultrasonic technology, and the gland 13 is provided with a second through hole 13.1 for the water inlet drainage tube 6.19 and the water outlet drainage tube 6.20 to pass through.
Further, on the basis of fig. 11, referring to fig. 13, one end of the first filter cover 11 facing the partition plate 1.1 is provided with a first water inlet connection post 11.5 and a first water outlet connection post 11.6, the second water inlet overflowing hole 11.3 extends to the top end of the first water inlet connection post 11.5, and the second water outlet overflowing hole 11.4 extends to the top end of the first water outlet connection post 11.6, so that the first water inlet connection post 11.5 is inserted into the first water inlet overflowing hole 1.6 to realize the communication between the second water inlet overflowing hole 11.3 and the first water inlet overflowing hole 1.6, and the first water outlet connection post 11.6 is inserted into the first water outlet overflowing hole 1.7 to realize the communication between the second water outlet overflowing hole 11.4 and the first water outlet overflowing hole 1.7. Fourth sealing rings 14 are arranged between the first water inlet connecting column 11.5 and the first water inlet overflowing hole 1.6 and between the first water outlet connecting column 11.6 and the first water outlet overflowing hole 1.7, the fourth sealing rings 14 are sleeved outside the first water inlet connecting column 11.5 and the first water outlet connecting column 11.6, and second annular grooves 11.7 for the fourth sealing rings 14 to be clamped are formed in the outer side walls of the first water inlet connecting column 11.5 and the first water outlet connecting column 11.6.
Further, on the basis of fig. 11, referring to fig. 14 and 15, a second filter cover 15 is disposed between the first end of the second filter material 5 and the partition plate 1.1, and a third outlet flow hole 15.1 communicated with the first outlet flow hole 1.7 is disposed on the second filter cover 15. One end of the second filter cover 15 facing the partition plate 1.1 is provided with a second water outlet connection column 15.2, and the third water outlet overflowing hole 15.1 extends to the top end of the second water outlet connection column 15.2, so that the second water outlet connection column 15.2 is inserted into the first water outlet overflowing hole 1.7 to realize the communication between the third water outlet overflowing hole 15.1 and the first water outlet overflowing hole 1.7. A fifth sealing ring 16 sleeved outside the second water outlet connecting column 15.2 is arranged between the second water outlet connecting column 15.2 and the first water outlet overflowing hole 1.7, and a third annular groove 15.3 for clamping the fifth sealing ring 16 is formed in the outer side wall of the second water outlet connecting column 15.2. In addition, the second filter cover 15 is further provided with a third groove 15.4 with a notch facing the second filter material 5, a second connecting boss 15.5 is arranged at the bottom of the third groove 15.4, and the third outlet water overflowing hole 15.1 extends to the top end of the second connecting boss 15.5. The first end of the second filter material 5 is inserted into the third groove 15.4, the second connecting boss 15.5 is inserted into the second cavity 5.1 of the second filter material 5,
still further, on the basis of fig. 1 and 4, referring to fig. 14 and 16, a third filter cover 18 is disposed between the second end of the second filter medium 5 and the second end cover 3, the third filter cover 18 is provided with a fourth groove 18.1 with a notch facing the second filter medium 5, a third connecting boss 18.2 is disposed at the bottom of the fourth groove 18.1, the second end of the second filter medium 5 is inserted into the fourth groove 18.1, and the third connecting boss 18.2 is inserted into the second cavity 5.1. In addition, a second guide pipe 17 penetrates through the second cavity 5.1, the first end of the second guide pipe 17 is inserted into the third water outlet overflowing hole 15.1, a transversely through communication groove 18.3 is formed in the third connecting boss 18.2, an insertion position 18.4 is arranged at the notch position of the communication groove 18.3, and the second end of the second guide pipe 17 is inserted into the insertion position 18.4 and communicated with the second water outlet flow channel through the communication groove 18.3.
As shown in fig. 17, the water entering the first filtering cavity 1.2 through the first water inlet channel and flowing out through the first water outlet channel is denoted as a first water flow, and the first water flow sequentially flows through a first water inlet 7.15, a first water blocking inlet channel 7.3, a first water blocking piece butt joint (inlet) 7.7, a first water dividing piece butt joint (inlet) 6.8, a first water dividing inlet channel 6.4 and a first communication port 6.15 and enters the first filtering cavity 1.2; then, the first path of water flow enters a first cavity 4.1 through permeating a first filter material 4 to realize filtration; then, the first path of water flow sequentially flows through the first flow guide pipe 6.17, the first water diversion outlet channel 6.5, the first water diversion piece butt joint port (outlet) 6.9, the first water retaining piece butt joint port (outlet) 7.8, the first water retaining outlet channel 7.4 and the first water outlet 7.16 and is discharged out of the filter element, and at this point, the first path of water flow completes the whole filtering process. Similarly, the water flow entering the second filtering cavity 1.3 through the second water inlet flow channel and flowing out through the second water outlet flow channel is marked as a second path of water flow, and the second path of water flow sequentially flows through a second water inlet 7.17, a second water blocking inlet flow channel 7.5, a second water blocking part butt joint port (inlet) 7.9, a second water dividing part butt joint port (inlet) 6.10, a second water dividing inlet flow channel 6.6, a water inlet drainage tube 6.19, a second water inlet flow through hole 11.3 and a first water inlet flow through hole 1.6 and enters the second filtering cavity 1.3; then, the second path of water flow enters a second cavity 5.1 through permeating a second filter material 5 to realize filtration; then, the second path of water flow sequentially flows through a second flow guide pipe 17, a third water outlet overflowing hole 15.1, a first water outlet overflowing hole 1.7, a second water outlet overflowing hole 11.4, a water outlet drainage pipe 6.20, a second water diversion outlet flow channel 6.7, a second water diversion piece butt joint port (outlet) 6.11, a second water retaining piece butt joint port (outlet) 7.10, a second water retaining outlet flow channel 7.6 and a second water outlet 7.18 and is discharged out of the filter element, and the second path of water flow finishes the whole filtering process. Therefore, the multistage sealing structures at the two sides of the partition plate 1.1 play a vital role in isolating two paths of water flow, as shown in fig. 11, the third sealing ring 12 sleeved outside the water inlet drainage tube 6.19 is used for preventing water channeling between water filtered by the first path of water and water filtered by the second path of water, the third sealing ring 12 sleeved outside the water outlet drainage tube 6.20 is used for preventing water channeling between water filtered by the first path of water and water filtered by the second path of water, the fourth sealing ring 14 sleeved outside the first water inlet connection column 11.5 is used for preventing water channeling between water filtered by the first path of water and water filtered by the second path of water, the fourth sealing ring 14 sleeved outside the first water outlet connection column 11.6 is used for preventing water channeling between water filtered by the first path of water and water filtered by the second path of water, and the fifth sealing ring 16 sleeved outside the second water outlet connection column 15.2 is used for preventing water channeling between water filtered by the second path of water and water filtered by the second path of water.
As shown in fig. 18 and 19, the above-described structure indicates that whether the first filter cover 11 and the second filter cover 15 are properly attached directly affects the flow path of the second water flow. Accordingly, in order to ensure the installation uniqueness of the first filter cover 11, that is, the uniqueness of the passage of the first water flow and the second water flow, a first fool-proof structure composed of a first fixture block 1.8 and a first clamping groove 11.8 is arranged between the partition plate 1.1 and the first filter cover 11, wherein the first fixture block 1.8 is arranged on one side of the partition plate 1.1 facing the first filter cavity 1.2, the first clamping groove 11.8 is arranged on one side of the first filter cover 11 facing the partition plate 1.1, and the first fixture block 1.8 is provided with a plurality of first fixture blocks 1.8, wherein at least two first fixture blocks 1.8 have different sizes, the number of the first clamping grooves 11.8 is equal to that of the first fixture blocks 1.8, and each first clamping groove 11.8 corresponds to each first fixture block 1.8 one by one. Similarly, a second fool-proof structure composed of a second fixture block 1.9 and a second clamping groove 15.6 is arranged between the partition plate 1.1 and the second filter cover 15, wherein the second fixture block 1.9 is arranged on one side of the partition plate 1.1 facing the second filter cavity 1.3, the second clamping groove 15.6 is arranged on one side of the second filter cover 15 facing the partition plate 1.1, a plurality of second fixture blocks 1.9 are arranged, at least two second fixture blocks 1.9 are different in size, the number of the second clamping grooves 15.6 is equal to that of the second fixture blocks 1.9, and each second clamping groove 15.6 corresponds to each second fixture block 1.9 one to one. From this, the first fool-proof structure and the second fool-proof structure have avoided composite filter element to appear first filter lid 11 and the second filter lid 15 problem of assembling mistake in the assembling process effectively. Certainly, the first clamping groove 11.8 and the first clamping protrusion which form the first fool-proof structure can exchange positions, that is, the first clamping groove 11.8 is arranged on the partition plate 1.1, and the first clamping block 1.8 is arranged on the first filter cover 11; similarly, the second engaging groove 15.6 and the second engaging protrusion forming the second fool-proof structure can also exchange positions, that is, the second engaging groove 15.6 is disposed on the partition plate 1.1, and the second engaging block 1.9 is disposed on the second filter cover 15, and the technical effects brought by the position exchange are the same.
Further, as shown in fig. 12, a limiting plate 19 is connected between the water diversion piece 6 and the first filter cover 11, a first limiting groove 6.22 for inserting a first end of the limiting plate 19 is formed in the outer side wall of the water diversion piece 6, and a second limiting groove 11.9 for inserting a second end of the limiting plate 19 is formed in the outer side wall of the first filter cover 11. Based on this, the water diversion member 6 can rotate along with the rotation of the shell 1, and the water stopping prevention member 7 limits the rotation of the water diversion member 6 by means of the friction force generated by the sealing member 9, so that the function of switching on and off the water on the side surface is failed. In addition, the limiting plate 19 can ensure the installation uniqueness between the water diversion element 6 and the first filter cover 11, that is, the installation uniqueness between the inlet water drainage tube 6.19 and the outlet water drainage tube 6.20 and the first filter cover 11, so that the flow path of the second water flow can be prevented from flowing in a wrong direction.
Preferably, the composite filter element provided by the invention is mainly applied to the field of water purifiers, and in the specific application of the composite filter element, the second filter cavity 1.3 is generally used as a front filter cavity, and the first filter cavity 1.2 is used as a rear filter cavity, that is, the second water flow is a front filter water flow, and the first water flow is a rear filter water flow. Accordingly, the first filter material 4 is a rear active carbon filter material, the second filter material 5 is a front active carbon filter material and a PP cotton filter material, and the PP cotton filter material is sleeved outside the front active carbon filter material. It should be noted that the "front" and "rear" described in the present invention refer to the sequence of filtration, that is, the water flow enters the second filtering chamber 1.3 first for the first stage filtration, and after being discharged, the water flow is filtered by other filter elements and then enters or directly enters the first filtering chamber 1.2 for the second stage filtration, and finally is discharged. The reason why the filter cavity is inverted front and back in the composite filter element provided by the invention is that the first flow guide pipe 6.17, the water inlet and drainage pipe 6.19 and the water outlet and drainage pipe 6.20 on the water diversion piece 6 all have certain lengths, and the too long lengths of the first flow guide pipe, the water inlet and drainage pipe 6.19 and the water outlet and drainage pipe can increase the difficulty of die sinking of the water diversion piece 6 and can also easily deform, and under the normal condition, the length of the rear active carbon filter material is shorter than that of the front active carbon filter material, so that the length of the first flow guide pipe 6.17, the water inlet and drainage pipe 6.19 and the water outlet and drainage pipe 6.20 can be reduced to the greatest extent by taking the first filter cavity 1.2 where the water diversion piece 6 is located as the rear filter cavity, the difficulty of die sinking of.
In summary, the invention provides a composite filter element, compared with the prior art, the composite filter element has the following beneficial effects:
1. the integrated shell 1 is adopted, so that the manufacturing process is simplified, and the increased water leakage risk caused by the existence of seams is avoided;
2. the first filtering cavity 1.2 and the second filtering cavity 1.3 are completely separated by the partition plate 1.1, and the two sides of the partition plate 1.1 are provided with multi-stage sealing structures, so that the problems of water channeling and water leakage caused by insufficient sealing among the filtering cavities are fundamentally solved, and the filtering quality of the filter element is improved;
3. the water diversion piece 6 and the drainage tube are integrated, so that the stability is higher, the sealing performance is better, and the front and rear filtering cavities are inverted, so that the difficulty in opening the water diversion piece 6 is reduced, the strength of the drainage tube is improved, the drainage tube is not easy to deform, and the service life is longer;
4. the water stopping component adopts a mode of switching on and off water on the side surface, so that the structure is simplified, the smoothness of the water dividing piece 6 and the water blocking piece 7 in relative rotation is improved on the premise of ensuring the sealing performance, the pause and contusion in rotation is reduced, and the control hand feeling is better;
5. the sealing element 9 thoroughly cuts off the connection between the butt joint ports of the adjacent water dividing pieces or the butt joint ports of the adjacent water retaining pieces, and the water channeling and leaking conditions are well solved.
In addition, the invention also provides a water purifier, and the water purifier adopts the composite filter element, so that the water purifier also has the advantages of good sealing performance, no risk of water leakage and water leakage, low assembly difficulty, long service life and the like.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the invention, and it is intended that such changes and modifications be considered as within the scope of the invention.
Claims (15)
1. A filter element flow passage structure is characterized by comprising a shell, a filter material and a water diversion piece;
the interior of the shell is provided with a partition plate, a first filtering cavity and a second filtering cavity which are formed by the partition plate, the filter material comprises a first filter material arranged in the first filter cavity and a second filter material arranged in the second filter cavity, a first water inlet flow channel is formed between the outer side wall of the first filter material and the shell, a first cavity channel which penetrates through two ends of the first filter material and is used as a first water outlet flow channel is arranged in the first filter material, a second water inlet flow channel is formed between the outer side wall of the second filter material and the shell, a second cavity channel which penetrates through two ends of the second filter material and is used as a second water outlet flow channel is arranged in the second filter material, the first end of the shell is provided with a first opening communicated with the first filtering cavity, the water distribution piece is arranged at the first opening, and the first end of the first filtering material is abutted against the water distribution piece;
the water diversion piece is internally provided with a first water diversion inlet channel, a first water diversion outlet channel, a second water diversion inlet channel and a second water diversion outlet channel, the water diversion piece is provided with a first communication port communicated with the first water diversion inlet channel and the first water inlet channel and a second communication port communicated with the first water diversion outlet channel and the first water outlet channel, the water diversion piece is further provided with a water inlet drainage tube communicated with the second water diversion inlet channel and a water outlet drainage tube communicated with the second water diversion outlet channel, the water inlet drainage tube and the water outlet drainage tube extend to the separation plate, and the separation plate is provided with a first water inlet overflowing hole communicated with the water inlet drainage tube and the second water inlet channel and a first water outlet overflowing hole communicated with the water outlet drainage tube and the second water outlet channel;
a first filter cover is arranged between the second end of the first filter material and the partition plate, a second water inlet overflowing hole communicated with the first water inlet overflowing hole and a second water outlet overflowing hole communicated with the first water outlet overflowing hole are formed in the first filter cover, the water inlet drainage tube is inserted into the second water inlet overflowing hole, and the water outlet drainage tube is inserted into the second water outlet overflowing hole;
a second filter cover is arranged between the first end of the second filter material and the partition plate, and a third effluent overflowing hole communicated with the first effluent overflowing hole is formed in the second filter cover;
a first fool-proof structure consisting of a first clamping block and a first clamping groove is arranged between the partition plate and the first filter cover;
the first clamping block is arranged on one side, facing the first filtering cavity, of the partition plate, and the first clamping groove is arranged on one side, facing the partition plate, of the first filtering cover;
or the first clamping groove is formed in one side, facing the first filtering cavity, of the partition plate, and the first clamping block is arranged on one side, facing the partition plate, of the first filtering cover;
a second fool-proof structure consisting of a second clamping block and a second clamping groove is arranged between the partition plate and the second filter cover;
the second clamping block is arranged on one side, facing the second filtering cavity, of the partition plate, and the second clamping groove is arranged on one side, facing the partition plate, of the second filtering cover;
or the second clamping groove is formed in one side, facing the second filtering cavity, of the partition plate, and the second clamping block is arranged on one side, facing the partition plate, of the second filtering cover.
2. The filter element flow passage arrangement of claim 1, wherein a rotating shaft is provided at an end of the water diversion member remote from the first filter material, the first communication port is provided at the rotating shaft, and the second communication port is provided at an end of the water diversion member remote from the rotating shaft.
3. The filter element flow passage arrangement according to claim 2, wherein an end of the water diversion member away from the rotation axis is provided with a first flow guide tube extending into the first cavity, the first flow guide tube is communicated with the first water diversion outlet flow passage through the second communication port, and the water inlet drainage tube and the water outlet drainage tube extend outwards from the first flow guide tube.
4. The filter element flow passage structure according to claim 3, wherein a first groove is formed at an end of the water diversion member away from the rotation axis, the first end of the first filter material is inserted into the first groove, the second communication port is formed at a groove bottom of the first groove, and the water inlet drainage tube, the water outlet drainage tube and the first flow guide tube extend outwards from the inside of the first groove.
5. The filter cartridge flow channel arrangement of claim 1, wherein the first filter cover has a second groove with a notch facing the first filter material, the bottom of the second groove has a first connection boss, the second inlet and outlet flow holes extend to the top of the first connection boss, the second end of the first filter material is inserted into the second groove, and the first connection boss is inserted into the first channel.
6. The filter element flow channel structure according to claim 1, wherein the first filter cover is provided with a first water inlet connection post and a first water outlet connection post at one end facing the separation plate, the second water inlet overflowing hole extends to the top end of the first water inlet connection post, the second water outlet overflowing hole extends to the top end of the first water outlet connection post, the first water inlet connection post is inserted into the first water inlet overflowing hole, and the first water outlet connection post is inserted into the first water outlet overflowing hole.
7. The filter element flow passage structure according to claim 1, wherein a limiting plate is connected between the water dividing member and the first filter cover, a first limiting groove for inserting a first end of the limiting plate is formed in an outer side wall of the water dividing member, and a second limiting groove for inserting a second end of the limiting plate is formed in an outer side wall of the first filter cover.
8. The filter element flow passage structure according to claim 1, wherein a second water outlet connection post is disposed at one end of the second filter cover facing the partition plate, the third water outlet overflowing hole extends to the top end of the second water outlet connection post, and the second water outlet connection post is inserted into the first water outlet overflowing hole.
9. The filter cartridge flow channel arrangement of claim 1, wherein the second filter cap defines a third groove with a notch facing the second filter material, the bottom of the third groove defines a second connection boss, the third outlet flow aperture extends to the top of the second connection boss, the first end of the second filter material is inserted into the third groove, and the second connection boss is inserted into the second channel.
10. A filter cartridge flow passage arrangement as recited in claim 1, wherein the second end of the second filter media has a third filter cap, the third filter cap has a fourth groove with a notch facing the second filter media, the bottom of the fourth groove has a third connecting boss, the second end of the second filter media is inserted into the fourth groove, and the third connecting boss is inserted into the second channel.
11. The filter element flow passage structure according to claim 10, wherein a second flow guide tube is inserted into the second cavity, a first end of the second flow guide tube is inserted into the third water outlet flow passage hole, a communication groove is transversely formed in the third connecting boss, an insertion position is formed in a notch position of the communication groove, and a second end of the second flow guide tube is inserted into the insertion position and is communicated with the second water outlet flow passage through the communication groove.
12. The filter element flow passage structure according to claim 2, wherein the side wall of the rotating shaft is provided with a first water diversion piece butt joint port (inlet) communicated with the first water diversion inlet flow passage, a first water diversion piece butt joint port (outlet) communicated with the first water diversion outlet flow passage, a second water diversion piece butt joint port (inlet) communicated with the second water diversion inlet flow passage, and a second water diversion piece butt joint port (outlet) communicated with the second water diversion outlet flow passage, and the first water diversion piece butt joint port (inlet), the first water diversion piece butt joint port (outlet), the second water diversion piece butt joint port (inlet) and the second water diversion piece butt joint port (outlet) are distributed on the outer side wall of the rotating shaft along the circumferential direction of the rotating shaft.
13. The filter element flow passage structure according to claim 1, wherein the first filter material is a rear activated carbon filter material, the second filter material is a front activated carbon filter material and a PP cotton filter material, and the PP cotton filter material is sleeved outside the front activated carbon filter material.
14. A composite filter element comprising a flow channel arrangement according to any one of claims 1 to 13.
15. A water purifier comprising the composite filter element according to claim 14.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810961221.3A CN109045809B (en) | 2018-08-22 | 2018-08-22 | Filter core runner structure, composite filter element and water purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810961221.3A CN109045809B (en) | 2018-08-22 | 2018-08-22 | Filter core runner structure, composite filter element and water purifier |
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| CN109045809A CN109045809A (en) | 2018-12-21 |
| CN109045809B true CN109045809B (en) | 2021-04-13 |
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| CN114087764B (en) * | 2021-11-25 | 2022-12-23 | 珠海格力电器股份有限公司 | Drainage device on dehumidifier and dehumidifier |
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| KR100712266B1 (en) * | 2005-03-24 | 2007-05-17 | 주식회사 피코그램 | purification filter of using connector and water purification ddevice |
| CN201189414Y (en) * | 2008-03-10 | 2009-02-04 | 林栋坡 | Automatic water-stop structure of water filter |
| CN105498337B (en) * | 2016-01-04 | 2017-12-08 | 北京小米移动软件有限公司 | Filter core, filter and water purifier |
| CN105457370B (en) * | 2016-01-04 | 2018-10-02 | 佛山市云米电器科技有限公司 | A kind of composite filter element |
| CN205516856U (en) * | 2016-03-03 | 2016-08-31 | 达格玛（厦门）环保科技有限公司 | Water purifier |
| US20170304751A1 (en) * | 2016-04-22 | 2017-10-26 | Hong Kong Ecoaqua Co., Limited | Reusable filter system |
| CN113368570B (en) * | 2017-03-13 | 2022-11-22 | 佛山市顺德区美的饮水机制造有限公司 | Filter element assembly and water purification system |
| CN111495006B (en) * | 2017-04-06 | 2022-03-22 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water purification equipment |
| CN207498155U (en) * | 2017-10-30 | 2018-06-15 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element component and water cleaning systems |
| CN108404483B (en) * | 2018-05-18 | 2023-01-24 | 珠海格力电器股份有限公司 | Filter element device and water purifier |
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