CN213623538U - Detachable composite RO (reverse osmosis) membrane filter element - Google Patents
Detachable composite RO (reverse osmosis) membrane filter element Download PDFInfo
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- CN213623538U CN213623538U CN202022390987.6U CN202022390987U CN213623538U CN 213623538 U CN213623538 U CN 213623538U CN 202022390987 U CN202022390987 U CN 202022390987U CN 213623538 U CN213623538 U CN 213623538U
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Abstract
The utility model belongs to the technical field of the filter core, concretely relates to but compound RO membrane filter core of split, include: the filter flask is internally provided with a containing space; the RO membrane component is arranged in the containing space, a channel is formed between the RO membrane component and the side wall of the containing space, and the RO membrane component filters and divides the purified water flowing into the RO membrane component into pure water and concentrated water; the rear filter element and the front filter element are both arranged in the RO membrane component, the front filter element is suitable for filtering tap water to obtain purified water, the rear filter element is suitable for adsorbing peculiar smell in the purified water, and the front filter element is positioned below the rear filter element; the filter element cover is detachably connected with the bottle opening of the filter bottle to seal and contain the space. The utility model discloses be provided with bottleneck and filter core lid, conveniently change leading filter core and rearmounted filter core alone, simple structure dismantles the convenience, the cost is reduced.
Description
Technical Field
The utility model belongs to the filter core field, concretely relates to but compound RO membrane filter core of split.
Background
The existing composite RO membrane filter element is of an integrated non-detachable structure, and can only be integrally replaced after the service life of the filter material in the filter element is exhausted, the service lives of various filter materials in the filter element are different in length, the common active carbon is 6-12 months, and the RO membrane is 12-24 months, so that if the filter element is ensured to be effectively used, the filter element needs to be replaced when the service life of the filter element is not more than 12 months, and great waste and high cost are caused to the RO membrane with long service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but compound RO membrane filter core of split to need the whole change after solving among the prior art compound RO membrane filter core service life, cause the RO membrane extravagant, technical problem with high costs.
In order to solve the technical problem, the utility model provides a but compound RO membrane filter core of split, include: the filter flask is internally provided with a containing space; the RO membrane assembly is arranged in the containing space, a channel is formed between the RO membrane assembly and the side wall of the containing space, and the RO membrane assembly filters and divides the purified water flowing into the RO membrane assembly into pure water and concentrated water; the rear filter element and the front filter element are both arranged in the RO membrane component, the front filter element is suitable for filtering tap water to obtain purified water, the rear filter element is suitable for adsorbing peculiar smell in the purified water, and the front filter element is positioned below the rear filter element; the filter element cover is detachably connected with the bottle opening of the filter bottle to seal the containing space.
Further: the filter element cover includes: a substrate, a fixed ring and a built-in ring; the fixing ring and the built-in ring are both arranged on the same side of the substrate, and the built-in ring is positioned in the fixing ring; the built-in ring is arranged in the bottle mouth of the filter bottle and is abutted against the inner side wall of the bottle mouth; the inner side wall of the fixing ring is provided with an internal thread, and the outer side wall of the bottle mouth is provided with an external thread connected with the internal thread.
Further: the fixed ring direction of excircle circumference of base plate extends there is the flange.
Further: arc-shaped grooves suitable for fingers to be clamped are uniformly distributed on the flanges.
Further: a front filter element placing cavity and a rear filter element placing cavity are arranged in the RO membrane component; the front filter element is placed in the front filter element placing cavity; the rear filter element is placed in the rear filter element placing cavity; the outer side wall of the post-filter element placing cavity, which is close to the bottle mouth, is provided with a snap ring in a ring manner; the upper end of the rear filter element placing cavity is located in the built-in ring, and the lower end face of the built-in ring is abutted to the upper end face of the clamping ring.
Further: a sealing groove is formed in the outer circumference of the clamping ring; and a sealing ring is arranged in the sealing groove, and the outer side of the sealing ring is abutted against the inner side wall of the bottle mouth.
The beneficial effects of the utility model are that, the utility model discloses a but compound RO membrane filter core of split has adopted and has dismantled the filter core lid of being connected with the filter flask bottleneck, and convenient leading filter core and the rearmounted filter core of changing alone need not to change whole compound RO membrane filter core, the cost is reduced, simple structure, and it is convenient to dismantle.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a preferred embodiment of a detachable composite RO membrane cartridge of the present invention;
fig. 2 is a cross-sectional view of a preferred embodiment of the detachable composite RO membrane cartridge of the present invention;
figure 3 is a schematic view of a preferred embodiment of the cartridge cover of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 2.
In the figure:
1. a filter flask; 2. an RO membrane module; 21. a channel; 3. a front filter element; 4. a post-positioned filter element; 5. a filter element cover; 51. a substrate; 52. a fixing ring; 53. a built-in ring; 54. blocking edges; 55. an arc-shaped slot; 56. a card slot; 6. a front filter element placing cavity; 7. a rear filter element placing cavity; 8. a snap ring; 9. a sealing groove; 10. and (5) sealing rings.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic view of a detachable composite RO membrane cartridge of the present invention;
as shown in fig. 2, the present embodiment provides a detachable composite RO membrane filter element, which comprises a filter flask 1, wherein a holding space is arranged in the filter flask 1; the RO membrane module 2 is arranged in the containing space, a channel 21 is formed between the RO membrane module 2 and the side wall of the containing space, and the RO membrane module 2 filters and divides the purified water flowing into the RO membrane module 2 into pure water and concentrated water; the rear filter element 4 and the front filter element 3 are both arranged in the RO membrane component 2, the front filter element 3 is suitable for filtering tap water to obtain purified water, the rear filter element 4 is suitable for adsorbing peculiar smell in the purified water, and the front filter element 3 is positioned below the rear filter element 4; and the filter element cover 5 is detachably connected with the bottle opening of the filter bottle 1 to seal the containing space.
Running water enters from a purified water inlet at the lower part of the RO membrane filter element, becomes purified water after being treated by the preposed filter element 3, is discharged from a purified water outlet at the lower part of the RO membrane filter element, enters the RO membrane filter element from the purified water inlet at the lower part of the RO membrane filter element after being pressurized by the booster pump, flows into the RO membrane assembly 2 through the channel 21 and is divided into pure water and concentrated water, the pure water flows to a pure water outlet after being filtered by the postposition filter element 4, and the concentrated water flows to a concentrated water outlet from the lower end of the RO membrane.
When the front filter element 3 and the rear filter element 4 are exhausted and need to be replaced, the filter element cover 5 is opened, the front filter element 3 and the rear filter element 4 are taken out from the bottle mouth together, are replaced newly, and then the filter element cover 5 is closed to seal and hold the space, so that the filter element can be completed, the structure is simple, the disassembly is convenient, and the cost is reduced.
Fig. 3 is a schematic view of a filter element cover 5 of the present invention;
in the present embodiment, the cartridge cover 5 includes: a base plate 51, a fixing ring 52, and a built-in ring 53; wherein the fixed ring 52 and the built-in ring 53 are both arranged on the same side of the substrate 51, and the built-in ring 53 is positioned in the fixed ring 52; the built-in ring 53 is arranged in the bottle mouth of the filter bottle 1 and is abutted against the inner side wall of the bottle mouth; the inner side wall of the fixing ring 52 is provided with an internal thread, and the outer side wall of the bottle mouth is provided with an external thread connected with the internal thread. Be formed with draw-in groove 56 between built-in ring 53 and the solid fixed ring 52, when solid fixed ring 52 and bottleneck threaded connection, the bottleneck card was in draw-in groove 56, and built-in ring 53 leaned on with the inside wall of bottleneck this moment for the difficult outside expansion of bottleneck warp, has improved the intensity of bottleneck.
As shown in fig. 3, a rib 54 extends from the outer circumference of the base plate 51 toward the fixing ring 52. The connection part of the rib 54 and the base plate 51 adopts circular arc transition connection. The flange 54 is arranged to increase the contact area between the hand and the filter element cover 5, so that the filter element cover 5 can be conveniently held by the hand and the filter element cover 5 can be conveniently screwed; the arc transition connection makes the connection between the rib 54 and the base plate 51 less prone to fracture due to stress concentration.
As shown in fig. 3, the ribs 54 are uniformly distributed with arc-shaped grooves 55 suitable for fingers to be clipped in. The arc-shaped groove 55 is arranged, so that fingers can be clamped conveniently, the fingers are not easy to slip off from the filter element cover 5 in the process of screwing the filter element cover 5, and the safety is higher.
In the present embodiment, as shown in fig. 2, a front filter element placing cavity 6 and a rear filter element placing cavity 7 are arranged in the RO membrane module 2; the front filter element 3 is placed in the front filter element placing cavity 6; the rear filter element 4 is placed in the rear filter element placing cavity 7; a snap ring 8 is annularly arranged on the outer side wall of the post-filter element placing cavity 7 close to the bottle mouth; the upper end of the rear filter element placing cavity 7 is positioned in the built-in ring 53, and the lower end face of the built-in ring 53 is abutted against the upper end face of the snap ring 8. The lower end face of the built-in ring 53 is abutted against the upper end face of the snap ring 8, and the built-in filter element placing cavity 7 can be compressed, so that the built-in filter element placing cavity 7 is not prone to moving towards the bottle opening, and the front filter element placing cavity 6 and the rear filter element placing cavity 7 are not prone to moving in the RO membrane assembly 2.
In the present embodiment, as shown in fig. 4, a seal groove 9 is provided on an outer circumference of the snap ring 8; and a sealing ring 10 is arranged in the sealing groove 9, and the outer side of the sealing ring 10 is abutted against the inner side wall of the bottle mouth. The sealing groove 9 and the sealing ring 10 play a sealing role in the bottle mouth, so that water in the containing space is not easy to leak outwards from the filter element cover 5.
In this embodiment, the seal ring 10 may be an O-ring.
In conclusion, the filter element cover 5 detachably connected with the bottle opening of the filter bottle 1 is adopted, so that the rear filter element 4 and the front filter element 3 can be independently replaced, the whole composite RO membrane filter element does not need to be replaced, the cost is reduced, the structure is simple, and the disassembly is convenient; a clamping groove 56 is formed between the built-in ring 53 and the fixing ring 52, when the fixing ring 52 is in threaded connection with the bottle mouth, the bottle mouth is clamped in the clamping groove 56, and the built-in ring 53 abuts against the inner side wall of the bottle mouth, so that the bottle mouth is not easy to expand and deform outwards, and the strength of the bottle mouth is improved; the flange 54 is arranged to increase the contact area with the filter element cover 5, so that the filter element cover 5 can be conveniently held by a hand and the filter element cover 5 can be conveniently screwed; the arc transition connection ensures that the joint of the flange 54 and the substrate 51 is not easy to break due to stress concentration; the arc-shaped groove 55 is arranged, so that fingers can be conveniently clamped in, the fingers are not easy to slip off from the filter element cover 5 in the process of screwing the filter element cover 5, and the safety is higher; the lower end face of the built-in ring 53 is abutted against the upper end face of the snap ring 8 and can tightly press the post-placement cavity, so that the post-placement cavity is not easy to move towards the bottle mouth, and the pre-filter element 3 placement cavity and the post-filter element 4 placement cavity are not easy to move in the RO membrane component 2; the sealing groove 9 and the sealing ring 10 play a sealing role in the bottle mouth, so that water in the containing space is not easy to leak outwards from the filter element cover 5.
All the parts of the devices selected in the present application are general standard parts or parts known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A but compound RO membrane filter core of split, its characterized in that includes:
the filter flask is internally provided with a containing space;
the RO membrane assembly is arranged in the containing space, a channel is formed between the RO membrane assembly and the side wall of the containing space, and the RO membrane assembly filters and divides the purified water flowing into the RO membrane assembly into pure water and concentrated water;
the rear filter element and the front filter element are both arranged in the RO membrane component, the front filter element is suitable for filtering tap water to obtain purified water, the rear filter element is suitable for adsorbing peculiar smell in the purified water, and the front filter element is positioned below the rear filter element;
the filter element cover is detachably connected with the bottle opening of the filter bottle to seal the containing space.
2. The detachable composite RO membrane filter cartridge of claim 1, wherein,
the filter element cover includes: a substrate, a fixed ring and a built-in ring; wherein
The fixing ring and the built-in ring are both arranged on the same side of the substrate, and the built-in ring is positioned in the fixing ring;
the built-in ring is arranged in the bottle mouth of the filter bottle and is abutted against the inner side wall of the bottle mouth;
the inner side wall of the fixing ring is provided with an internal thread, and the outer side wall of the bottle mouth is provided with an external thread connected with the internal thread.
3. The detachable composite RO membrane filter cartridge of claim 2,
the fixed ring direction of excircle circumference of base plate extends there is the flange.
4. A split composite RO membrane cartridge as recited in claim 3,
arc-shaped grooves suitable for fingers to be clamped are uniformly distributed on the flanges.
5. The detachable composite RO membrane filter cartridge of claim 2,
a front filter element placing cavity and a rear filter element placing cavity are arranged in the RO membrane component;
the front filter element is placed in the front filter element placing cavity;
the rear filter element is placed in the rear filter element placing cavity;
the outer side wall of the post-filter element placing cavity, which is close to the bottle mouth, is provided with a snap ring in a ring manner;
the upper end of the rear filter element placing cavity is located in the built-in ring, and the lower end face of the built-in ring is abutted to the upper end face of the clamping ring.
6. A split composite RO membrane cartridge as recited in claim 5,
a sealing groove is formed in the outer circumference of the clamping ring;
and a sealing ring is arranged in the sealing groove, and the outer side of the sealing ring is abutted against the inner side wall of the bottle mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022390987.6U CN213623538U (en) | 2020-10-23 | 2020-10-23 | Detachable composite RO (reverse osmosis) membrane filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022390987.6U CN213623538U (en) | 2020-10-23 | 2020-10-23 | Detachable composite RO (reverse osmosis) membrane filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213623538U true CN213623538U (en) | 2021-07-06 |
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ID=76623029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022390987.6U Active CN213623538U (en) | 2020-10-23 | 2020-10-23 | Detachable composite RO (reverse osmosis) membrane filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213623538U (en) |
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2020
- 2020-10-23 CN CN202022390987.6U patent/CN213623538U/en active Active
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