CN209759139U - Composite filter element of water purifier - Google Patents
Composite filter element of water purifier Download PDFInfo
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- CN209759139U CN209759139U CN201822159272.2U CN201822159272U CN209759139U CN 209759139 U CN209759139 U CN 209759139U CN 201822159272 U CN201822159272 U CN 201822159272U CN 209759139 U CN209759139 U CN 209759139U
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- filter element
- filter core
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Abstract
The utility model provides a composite filter element of purifier, composite filter element include leading filter core, RO membrane filter core, rearmounted filter core, switching cover, inner core epitheca, upper cover, lower cover. Wherein, leading filter core, RO membrane filter core, rearmounted filter core are the tubular structure, and the rearmounted filter core is close and overlaps in the periphery of RO membrane filter core and the bottom of rearmounted filter core is provided with the lower cover. The switching cover is annular stairstepping structure, and the lower surface that switches over cover ladder step supports and leans on the top edge at RO membrane filter core, and the lower extreme of rearmounted filter core supports and leans on the upper surface that switches over cover ladder step. The lower extreme of switching cover and the inboard in close contact with of the upper end of leading filter core, the lower extreme of inner core epitheca and the outside in close contact with of the upper end of leading filter core. The utility model discloses reduce water route length and connection sealing position quantity in the filter core greatly, reduced the risk of leaking, and reduced the shared space of filter core in filter core water route, the more exquisite small and exquisite that the complete machine will be done.
Description
Technical Field
The utility model relates to a purifier field, concretely relates to composite filter element of purifier.
Background
Along with the gradual deterioration of water quality, the water purifier has slowly walked in the family of vast users, and the role that the water purifier plays in user's daily life is more and more important. The water purifier can effectively filter rust, sand, colloid in water and adsorb chemical agents such as residual chlorine, odor, abnormal color, pesticide and the like in water. Can effectively remove impurities such as bacteria, germs, toxins, heavy metals and the like in water, and effectively solves the problem of endemic diseases caused by overproof harmful substances in underground water in many places. The filter element is a core component in the water purifier, plays a decisive role in purifying water quality, and the filter material used in the filter element is particularly important.
The RO water purifier is also called as RO reverse osmosis principle, RO reverse osmosis is a pure water machine which can be directly drunk by human beings and is produced without adding any compound after filtering raw water by the methods of reverse osmosis and the like which are popular in the world at present, so the RO water purifier is purchased by more and more consumers at present, but the volume of the RO water purifier is larger at present, and the RO water purifier occupies larger space for people living in cities. At present, the existing RO machine is basically a two-stage, 3-stage or more-stage filter element, the number of the connecting and sealing positions of the multi-stage filter element is large, the water path is complex, the water leakage risk is easy to occur, and the multi-stage filter element occupies large space of the whole machine, so that the whole machine is large in size.
SUMMERY OF THE UTILITY MODEL
The utility model provides a composite filter element of a water purifier to solve the problems of multiple stages and large volume of filter elements of the water purifier existing in the prior art.
In order to solve the technical problem, the utility model provides a composite filter element of purifier, composite filter element include leading filter core, RO membrane filter core, rearmounted filter core, switching cover, inner core epitheca, upper cover, lower cover. Wherein, leading filter core the RO membrane filter core rearmounted filter core is the tubular structure, rearmounted filter core is adjacent and the cover is in the periphery of RO membrane filter core just the bottom of rearmounted filter core is provided with the lower cover. The adapter sleeve is of an annular step-shaped structure, the lower surface of the step of the adapter sleeve abuts against the upper edge of the RO membrane filter element, and the lower end of the rear filter element abuts against the upper surface of the step of the adapter sleeve. The lower end of the adapter sleeve is in close contact with the inner side of the upper end of the front filter element, the lower end of the inner core upper shell is in close contact with the outer side of the upper end of the front filter element, the upper end of the rear filter element is provided with an upper cover with a middle opening, the upper cover is positioned inside the inner core upper shell, and the upper end of the adapter sleeve is in close contact with the upper cover.
Preferably, the lower end of the adapter sleeve is provided with sealing glue at the contact position of the front filter element and the inner core upper shell.
Preferably, the inner cavity of the RO membrane filter element forms a central water collecting channel, the central water collecting channel is communicated with a purified water outlet channel, the purified water outlet channel is a gap formed between the inner core upper shell and the outer side of the rear filter element, and the purified water outlet channel is communicated with a purified water outlet at the upper end of the composite filter element.
Preferably, the upper part of the adapter sleeve is provided with a hole communicated with the central water collecting channel.
Preferably, a raw water channel is formed in a gap between the outer side of the composite filter element and the shell, and the raw water channel is communicated with a raw water inlet at the upper end of the composite filter element.
Preferably, a gap between the adapter sleeve and the RO membrane filter element is a concentrated water channel, and the concentrated water channel is communicated with a concentrated water outlet at the upper end of the composite filter element.
The preposed filter element consists of a PP cotton filter material and an active carbon filter material.
The utility model discloses the beneficial effect who brings: the utility model provides a pair of composite filter element of purifier sets up leading filter core through the periphery at the RO membrane filter core, the play water end of RO membrane filter core is provided with rearmounted filter core, leading filter core, RO membrane filter core, the rear-mounted filter core between through the quick and inseparable connection of switching cover together, water route length and connection sealing position quantity in the filter core have been reduced greatly, reduce the risk of leaking, and reduce the shared space of filter core in filter core water route, the more exquisite small and exquisite that the complete machine will be done.
Drawings
Fig. 1 is an overall structure schematic diagram of a filter element for a water purifier according to an embodiment of the present invention.
Fig. 2 is an enlarged structural view of a region a in fig. 1 according to an embodiment of the present invention.
Fig. 3 is a schematic water path diagram of a filter element for a water purifier according to an embodiment of the present invention.
The filter comprises a shell, a front filter element, a 3-RO membrane filter element, a rear filter element, a 5-upper cover, a 6-lower cover, a 7-inner core upper shell, an 8-RO adapter sleeve, 9-sealing glue, a 10-raw water channel, an 11-concentrated water channel, a 12-central water collecting channel, a 13-purified water outlet channel, a 14-raw water inlet, a 15-concentrated water outlet and a 16-purified water outlet, wherein the shell is arranged at the front of the shell, the 2-front filter element is arranged at the rear of the shell, the 3-RO membrane filter element is.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the utility model provides a pair of composite filter element of purifier, composite filter element include leading filter core 2, RO membrane filter core 3, rearmounted filter core 4, switching cover, inner core epitheca 7, upper cover 5, lower cover 6. Wherein, leading filter core 2 the RO membrane filter core 3 rearmounted filter core 4 is the tubular structure, rearmounted filter core 4 is close to the cover and is in the periphery of RO membrane filter core 3 just the bottom of rearmounted filter core 4 is provided with lower cover 6. The adapter sleeve 8 is of an annular step-shaped structure, the lower surface of the step of the adapter sleeve 8 abuts against the upper edge of the RO membrane filter element 3, and the lower end of the rear filter element 4 abuts against the upper surface of the step of the adapter sleeve 8. The lower extreme of adapter sleeve 8 with the inboard in close contact with of the upper end of leading filter core 2, the lower extreme of inner core epitheca 7 with the outside in close contact with of the upper end of leading filter core 2. The upper end of the rear filter element 4 is provided with an upper cover 5 with an opening in the middle, the upper cover 5 is positioned inside the inner core upper shell 7, and the upper end of the adapter sleeve 8 is in close contact with the upper cover 5.
Further, a sealing glue 9 is arranged at a position where the lower end of the adapter sleeve 8 is in contact with the front filter element 2 and the inner core upper shell 7. The lower extreme of adapter sleeve 8 with leading filter core 2's is sealed can prevent that the water in the concentrated water passageway 11 from getting into in the water purification play water passageway 13, the lower extreme of adapter sleeve 8 with the water in the raw water passageway 10 can be prevented to the sealing of inner core epitheca 7 gets into in the water purification play water passageway 13 to guarantee that the water purification is not polluted.
The inner cavity of the RO membrane filter element 3 forms a central water collecting channel 12, the central water collecting channel 12 is communicated with a purified water outlet channel 13, the purified water outlet channel 13 is a gap formed between the inner core upper shell 7 and the outer side of the rear filter element 4, and the purified water outlet channel 13 is communicated with a purified water outlet 16 at the upper end of the composite filter element.
The upper part of the adapter sleeve 8 is provided with a hole communicated with the central water collecting channel 12.
The gap between the outer side of the composite filter element and the shell 1 forms a raw water channel 10, and the raw water channel 10 is communicated with a raw water inlet 14 at the upper end of the composite filter element.
The gap between the adapter sleeve 8 and the RO membrane filter element 3 is a concentrated water channel 11, and the concentrated water channel 11 is communicated with a concentrated water outlet 15 at the upper end of the composite filter element.
The preposed filter element consists of a PP cotton filter material and an active carbon filter material.
Referring to fig. 3, in the present embodiment, raw water enters the raw water channel 10 from the raw water inlet 14, water in the raw water channel 10 sequentially passes through the pre-filter element 2 and the RO membrane filter element 3 to enter the central water collecting channel 12, then water in the central water collecting channel 12 enters the post-filter element 4, and purified water flows out from the purified water outlet channel 13. Leading filter core 2 carries out preliminary adsorption filtration to the raw water, and impurity such as the RO membrane filter core 3 in with aquatic inorganic salt, heavy metal ion, organic matter, colloid, bacterium, virus blocks down, and these impurity stay in the clearance between leading filter core 2 and RO membrane filter core 3, gets into the clearance between adapter sleeve 8 and the RO membrane filter core 3 afterwards, also in concentrated water passageway 11 promptly. Water molecules pass through the RO membrane filter element 3 and enter the central water collecting channel 12, and purified water in the central water collecting channel 12 enters the purified water outlet channel 13 through the post-positioned filter element 4 again, so that triple filtration is realized, and the water purification quality is improved.
To sum up, the utility model provides a pair of composite filter element of purifier sets up leading filter core through the periphery at the RO membrane filter core, and the play water end of RO membrane filter core is provided with rearmounted filter core, through the quick and inseparable connection of switching cover between leading filter core, RO membrane filter core, the rearmounted filter core together, has reduced water route length and connection sealing position quantity in the filter core greatly, reduces the risk of leaking, and reduces the shared space of filter core in filter core water route, and the complete machine will be can be done more exquisite small and exquisite.
The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The composite filter element of the water purifier is characterized in that the composite filter element comprises a front filter element (2), an RO membrane filter element (3), a rear filter element (4), a switching sleeve, an inner core upper shell (7), an upper cover (5) and a lower cover (6), wherein the front filter element (2), the RO membrane filter element (3) and the rear filter element (4) are both tubular structures, the rear filter element (4) is closely sleeved on the periphery of the RO membrane filter element (3) and the bottom end of the rear filter element (4) is provided with the lower cover (6), the switching sleeve (8) is of an annular step-shaped structure, the lower surface of the step of the switching sleeve (8) is abutted against the upper edge of the RO membrane filter element (3), the lower end of the rear filter element (4) is abutted against the upper surface of the step of the switching sleeve (8), the lower end of the switching sleeve (8) is closely contacted with the inner side of the upper end of the front filter element (2), the lower extreme of inner core epitheca (7) with the outside in close contact with of the upper end of leading filter core (2), the upper end of rearmounted filter core (4) is provided with middle open-ended upper cover (5) just upper cover (5) are located the inside of inner core epitheca (7), the upper end of switching cover (8) with upper cover (5) in close contact with.
2. The composite filter element of a water purifier according to claim 1, wherein a sealing glue (9) is arranged at the contact position of the lower end of the adapter sleeve (8) with the front filter element (2) and the inner core upper shell (7).
3. The composite filter element of the water purifier according to claim 2, wherein the inner cavity of the RO membrane filter element (3) forms a central water collecting channel (12), the central water collecting channel (12) is communicated with a purified water outlet channel (13), the purified water outlet channel (13) is a gap formed between the inner core upper shell (7) and the outer side of the rear filter element (4), and the purified water outlet channel (13) is communicated with a purified water outlet (16) at the upper end of the composite filter element.
4. A composite filter element for a water purification machine according to claim 3, wherein the upper part of said adapter sleeve (8) is provided with a hole communicating with said central water collection channel (12).
5. The composite filter element of a water purifier according to claim 4, wherein a gap between the outer side of the composite filter element and the shell (1) forms a raw water channel (10), and the raw water channel (10) is communicated with a raw water inlet (14) at the upper end of the composite filter element.
6. The composite filter element of the water purifier according to claim 5, wherein the gap between the adapter sleeve (8) and the RO membrane filter element (3) is a concentrated water passage (11), and the concentrated water passage (11) is communicated with a concentrated water outlet (15) at the upper end of the composite filter element.
7. The composite filter element of water purifier as recited in claim 6, wherein said front filter element is composed of PP cotton filter material and active carbon filter material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159272.2U CN209759139U (en) | 2018-12-21 | 2018-12-21 | Composite filter element of water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159272.2U CN209759139U (en) | 2018-12-21 | 2018-12-21 | Composite filter element of water purifier |
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| Publication Number | Publication Date |
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| CN209759139U true CN209759139U (en) | 2019-12-10 |
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| CN201822159272.2U Active CN209759139U (en) | 2018-12-21 | 2018-12-21 | Composite filter element of water purifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911986A (en) * | 2019-02-13 | 2019-06-21 | 韩佳环保设备有限公司 | Integral type integrated water purifier filter core and water purifier |
-
2018
- 2018-12-21 CN CN201822159272.2U patent/CN209759139U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911986A (en) * | 2019-02-13 | 2019-06-21 | 韩佳环保设备有限公司 | Integral type integrated water purifier filter core and water purifier |
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