CN212662918U - Three-in-one composite filter element - Google Patents
Three-in-one composite filter element Download PDFInfo
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- CN212662918U CN212662918U CN202020533881.4U CN202020533881U CN212662918U CN 212662918 U CN212662918 U CN 212662918U CN 202020533881 U CN202020533881 U CN 202020533881U CN 212662918 U CN212662918 U CN 212662918U
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Abstract
A three-in-one composite filter element comprises a filter element top cover, a shell, a front filter assembly, a rear filter assembly and a rear filter element sleeve; the bottom of the front filter assembly is connected with the top of the rear filter element sleeve, the rear filter assembly is positioned right below the front filter assembly, and the rear filter assembly is arranged in the rear filter element sleeve; leading filter assembly's bottom is equipped with the installation ring, the telescopic top of rearmounted filter core through the screw thread rotatable install in the installation ring, leading filter assembly with it is sealed to be equipped with the sealing ring between the rearmounted filter core sleeve, the utility model has the advantages of simple structure, it is convenient that the filter core is changed, and is difficult for taking place to cross water.
Description
Technical Field
The utility model relates to a purifier field, especially a trinity composite filter core.
Background
The cotton filter core of PP, leading activated carbon filter core, RO reverse osmosis membrane filter core and rearmounted activated carbon filter core generally are equipped with on the current purifier, and the filter effect through a plurality of filter cores makes the raw water realize effective filtration to reach and drink the requirement, and traditional structure is that each filter core sets up respectively alone, and this just leads to the purifier whole volume great, occupies a considerable space, consequently requires highlyer to the mounted position, and in addition, great volume is unfavorable for transportation and transport.
Aiming at the problems, a large number of composite filter elements appear in the market, and a plurality of filter elements are integrated into a whole, so that the volume of the water purifier is reduced. However, the composite filter element has a complex structure, so that the inner filter element is not easy to replace, and the problem of water leakage of the front water path and the rear water path is easy to occur, so that the user experience is poor.
Therefore, the filter element which has the advantages of simple structure, small volume, convenient replacement of the filter element and difficult water leakage is forced.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model aims to provide a trinity composite filter core solves that current filter core structure is complicated, bulky, change trouble, and the technical problem of the water of easily taking place to crowd.
To achieve the purpose, the utility model adopts the following technical proposal:
a three-in-one composite filter element comprises a filter element top cover and a shell, and comprises a front filter component, a rear filter component and a rear filter element sleeve;
the bottom of the front filter assembly is connected with the top of the rear filter element sleeve, the rear filter assembly is positioned right below the front filter assembly, and the rear filter assembly is arranged in the rear filter element sleeve;
the bottom of leading filtering component is equipped with the installation ring, the telescopic top of rearmounted filter core through screw-thread fit install in the installation ring, perhaps the telescopic top welding of rearmounted filter core install in the installation ring.
Preferably, the front filter assembly comprises a front upper end cover, a front filter element structure and a front lower end cover; the top of the front filter element structure is provided with the front upper end cover, and the bottom of the front filter element structure is provided with the front lower end cover to form the front filter assembly;
the rear filter assembly comprises a rear upper end cover, a rear filter element structure and a rear lower end cover, the rear upper end cover is arranged at the top of the rear filter element structure, and the rear lower end cover is arranged at the bottom of the rear filter element structure to form the rear filter assembly.
Preferably, the front filter element structure comprises a PP cotton filter element and a front carbon rod, and the PP cotton filter element surrounds the periphery of the front carbon rod; the post-positioned filter element structure is a post-positioned carbon rod.
Preferably, still include center tube, interior sleeve pipe and connector, the connector joint in the bottom of filter core top cap, interior sleeve pipe is located the central part of leading carbon-point, interior sheathed tube lower extreme with preceding bottom end cap offsets, interior sleeve pipe is the hollow tube structure, the center tube is located interior sheathed tube central part, the upper end of center tube peg graft in the connector, the lower extreme of center tube inserts the central part of rearmounted carbon-point, the center tube with the bottom of rearmounted carbon-point leaves the space in the vertical direction.
Preferably, the filter element top cap still includes first water inlet, second water inlet, first delivery port and second delivery port, first water inlet the second water inlet first delivery port with the second delivery port is located side by side in proper order the bottom of the extension of filter element top cap.
Preferably, the filter element top cover further comprises a first chamber, a second chamber, a third chamber and a fourth chamber, the first chamber, the second chamber, the third chamber and the fourth chamber are respectively arranged in an annular shape, the first chamber surrounds the periphery of the second chamber, the second chamber surrounds the periphery of the third chamber, and the third chamber surrounds the periphery of the fourth chamber.
Preferably, a first gap is reserved between the preposed upper end cover and the shell, a second gap is reserved between the preposed carbon rod and the inner sleeve, and a third gap is reserved between the inner sleeve and the central tube;
preferably, the first water inlet is communicated with the first chamber, and the first chamber is communicated with the first gap;
the second water outlet is communicated with the second chamber, and the second chamber is communicated with the second gap;
the second water inlet is communicated with the third chamber, and the third chamber is communicated with the third gap;
the first water outlet is in communication with the fourth chamber, which is in communication with the central tube.
Preferably, a sealing ring is arranged between the front upper end cover and the filter element top cover, a sealing ring is arranged between the inner sleeve and the filter element top cover, and a sealing ring is arranged between the connector and the filter element top cover.
Preferably, the carbon rod further comprises a convex ring, the convex ring is arranged on the rear lower end cover, and the diameter of the convex ring is consistent with the diameter of the inner hole of the rear carbon rod.
The utility model has the advantages that:
(1) the front lower end cover is in threaded sealing connection with the top end of the rear filter element sleeve, the front water path and the rear water path are isolated, and the risk of water leakage between the front water path and the rear water path is avoided.
(2) The front-mounted filter assembly and the rear-mounted filter assembly can be independently mounted in advance, and the front-mounted filter assembly and the rear-mounted filter assembly can be used after the shell is cast and molded and then placed into the shell, so that the assembly time is shortened, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 and 5 are schematic views of different angles of the filter element top cover;
FIG. 6 is a schematic structural view of a rear carbon rod bottom cover;
wherein: the filter element comprises a filter element top cover 1, a shell 2, a front filter element structure 3, a front upper end cover 31, a front lower end cover 32, a rear filter element sleeve 4, a rear upper end cover 41, a rear lower end cover 42, a PP cotton filter element 5, a front carbon rod 6, a rear carbon rod 7, a convex ring 71, a central tube 8, an inner sleeve 9 and a connector b;
the water inlet structure comprises an extension part 10, a first water inlet 11, a second water inlet 12, a first water outlet 13, a second water outlet 14, a first chamber 15, a second chamber 16, a third chamber 17 and a fourth chamber 18;
a first gap 21, a second gap 91, a third gap 81;
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-6, a three-in-one composite filter element comprises a filter element top cover 1 and a shell 2, and comprises a front filter assembly, a rear filter assembly and a rear filter element sleeve 4;
the bottom of the front filter assembly is connected with the top of the rear filter element sleeve 4, the rear filter assembly is positioned right below the front filter assembly, and the rear filter assembly is arranged in the rear filter element sleeve 4;
the bottom of leading filtering component is equipped with the installation ring, the top of rearmounted filter core sleeve 4 is equipped with screw-thread fit install in the installation ring, perhaps the top welded mounting of rearmounted filter core sleeve 4 in the installation ring.
Leading filter assembly is used for filtering the more water of impurity, and rearmounted filter assembly is used for promoting the water taste, and both can independently install in advance, treat behind the casing casting shaping with leading filter assembly and rearmounted filter assembly put into the casing and can use, reduced the assemble duration, improved production efficiency.
The rear filter element sleeve 4 plays a role in protecting the rear filter assembly and also plays a role in connecting the front filter assembly.
The bottom of the front filter assembly is provided with a mounting ring, the top of the rear filter element sleeve 4 is rotatably mounted on the mounting ring through matched threads, or the top of the rear filter element sleeve 4 is welded on the mounting ring to isolate the front water path from the rear water path, so that the risk of water leakage between the front water path and the rear water path is avoided, preferably, the bottom of the front filter assembly and the top of the rear filter element sleeve 4 can also be connected in a welding manner, and can also play a sealing role to prevent the risk of water leakage between the front water path and the rear water path, the traditional method adopts a sealing ring to isolate the front water path from the rear water path, so that the water leakage risk exists, the sealing ring is sealed through the inner wall of a cylinder body, the requirement on an injection molding part is higher, the injection molding production efficiency is low, the cost is naturally improved, and the bottom cover of the front filter element sleeve is in threaded sealing connection with the top end of the rear filter element sleeve, the problem of the cluster water is solved, the cost of product has also been reduced simultaneously, also has the advantage that the assembly is swift simultaneously.
To be further explained, the front filter assembly comprises a front upper end cover 31, a front filter element structure 3 and a front lower end cover 32; the top of the front filter element structure 3 is provided with the front upper end cover 31, and the bottom of the front filter element structure 3 is provided with the front lower end cover 32 to form the front filter assembly;
the rear filter assembly comprises a rear upper end cover 41, a rear filter element structure and a rear lower end cover 42, the rear upper end cover 41 is arranged at the top of the rear filter element structure, and the rear lower end cover 42 is arranged at the bottom of the rear filter element structure to form the rear filter assembly;
the front upper end cover 31 and the front lower end cover 32 are used for fixing the front filter element structure 3 in the front filter assembly, and the front filter element structure is prevented from shaking or falling off in the shell. The rear upper end cover 41 and the rear lower end cover 42 are used for fixing the rear filter element structure in the rear filter assembly, so that the rear filter element structure is prevented from shaking or falling off in the shell.
More specifically, the front filter element structure 32 includes a PP cotton filter element 5 and a front carbon rod 6, and the PP cotton filter element 5 surrounds the periphery of the front carbon rod 6; the post-positioned filter element structure is a post-positioned carbon rod 7.
Leading carbon-point 6 and the cotton filter core 5 of PP are used for filtering external running water, the cotton filter core 5 of PP surrounds in the lateral surface of leading carbon-point 6, the cotton filter core 5 of PP plays first layer filtering action, detach most magazine and insoluble substance of aquatic, the effect of leading carbon-point 6 of protection has also been played, avoid macromolecular substance to block up the pore of leading carbon-point 6, rearmounted carbon-point 7 is used for purifying the intaking of second water inlet, make the taste of water better. The front carbon rod 6 and the rear carbon rod 7 both have central parts, so that filtered water can conveniently flow out of the filter element from the central parts.
Further explain, still include center tube 8, interior sleeve pipe 9 and connector b, connector b joint in the bottom of filter core top cap 1, interior sleeve pipe 9 is located the central part of leading carbon-point 6, interior sleeve pipe 9's lower extreme with preceding bottom end cap 32 offsets, interior sleeve pipe 9 is the hollow tube structure, center tube 8 is located the central part of interior sleeve pipe 9, the upper end of center tube 9 peg graft in connector b, the lower extreme of center tube 9 inserts the central part of rearmounted carbon-point 7, center tube 9 with the bottom of rearmounted carbon-point 7 leaves the space in the vertical direction.
The lower extreme of center tube 8 inserts the central part of rearmounted carbon-point 7, with the bottom of rearmounted carbon-point 7 leaves the space in vertical direction for in introducing the cross water in the center tube 8 with rearmounted carbon-point 7, connector b is arranged in connecting center tube 8 and filter core top cap 1, and interior sleeve pipe 9 is arranged in forming corresponding passageway with center tube 8 and leading carbon-point 6, makes things convenient for rivers to pass through, simultaneously interior sleeve pipe 9 the lower extreme with preceding lower extreme end cover 32 offsets, exerts pressure for the bottom of leading filter core sleeve 3, and it is inseparabler to further ensure that the bottom of leading filter core sleeve 3 is connected with the top of rearmounted filter core sleeve 4.
Further, the filter element top cover 1 further comprises a first water inlet 11, a second water inlet 12, a first water outlet 13 and a second water outlet 14, wherein the first water inlet 11, the second water inlet 12, the first water outlet 13 and the second water outlet 14 are sequentially arranged at the bottom end of the extension part 10 of the filter element top cover 1 side by side.
The first water inlet 11 is used for introducing external tap water into the filter element; the second water inlet 12 introduces the filtered water of the external RO reverse osmosis filter element for further filtering, the first water outlet 13 is the outlet of the filtered water passing through the rear carbon rod 7, and the second water outlet 14 is the outlet of the filtered water passing through the front carbon rod 6.
Four locate side by side in proper order the bottom of the extension 10 of filter core top cap 1 makes the filter core top cap seem pleasing to the eye good-looking on the one hand, and on the other hand locates the bottom and can avoid taking place to collide with in the four use and lead to damaging.
To explain further, the filter element top cover 1 further includes a first chamber 15, a second chamber 16, a third chamber 17 and a fourth chamber 18, the first chamber 15, the second chamber 16, the third chamber 17 and the fourth chamber 18 are respectively disposed in an annular shape, the first chamber 15 surrounds the periphery of the second chamber 16, the second chamber 16 surrounds the periphery of the third chamber 17, and the third chamber 17 surrounds the periphery of the fourth chamber 18
The first chamber 15, the second chamber 16, the third chamber 17 and the fourth chamber 18 are used for distinguishing water introduced into the filter element from water led out of the filter element and avoiding mixing of water in different flow directions, and the first chamber 15, the second chamber 16, the third chamber 17 and the fourth chamber 18 are arranged in an annular mode so as to be matched with the shape of the filter element top cover 1 and are matched with the filter element below.
To be more specific, a first gap 21 is left between the front upper end cap 31 and the housing 2, a second gap 91 is left between the front carbon rod 6 and the inner sleeve 9, and a third gap 81 is left between the inner sleeve 9 and the central tube 8;
the first gap 21 is used to communicate the first chamber 15 with an inlet of the pre-filter assembly, so that the tap water introduced from the outside flows from the first chamber 15 into the pre-filter assembly for filtering treatment. The second gap 91 serves to communicate the second chamber 16 with the outlet of the pre-filter assembly so that filtered water flowing from the outlet of the pre-filter assembly can flow into the second chamber 16. The third gap 81 is used to communicate the third chamber 17 with the inlet of the post-filter assembly so that the RO backwash water flows from the third chamber 17 into the post-filter assembly for filtration.
Stated further, the first water inlet 11 is in communication with the first chamber 15, and the first chamber 15 is in communication with the first gap 21;
the second water outlet 14 is communicated with the second chamber 16, and the second chamber 16 is communicated with the second gap 91;
the second water inlet 12 is communicated with the third chamber 17, and the third chamber 17 is communicated with the third gap 81;
the first water outlet 13 communicates with the fourth chamber 18, and the fourth chamber 18 communicates with the central tube 8.
A passageway is constituteed with first cavity 15 and first clearance 21 to first water inlet 11, make the water that gets into the filter core from the external world can carry out filtration treatment through leading filter assembly, a passageway is constituteed with second cavity 16 and second clearance 91 to second delivery port 14, make the drainage that comes out from leading filter assembly can flow the filter core through this passageway, a passageway is constituteed with third cavity 17 and third clearance 81 to second water inlet 12, make the backward flow water can get into rearmounted filter assembly and carry out filtration treatment, a passageway is constituteed with fourth cavity 18 and central siphon 8 to first delivery port 13, make the drainage that comes out from rearmounted filter assembly can flow the filter core through this passageway.
Further, a sealing ring is arranged between the front upper end cover 31 and the filter element top cover 1, a sealing ring is arranged between the inner sleeve 9 and the filter element top cover 1, and a sealing ring is arranged between the connector b and the filter element top cover 1.
The sealing washer is located between the gap of each cavity and spare part, and is isolated each cavity for flowing water in each cavity can not flow into other cavities, has played and has prevented the problem emergence of crossing water between each cavity, has avoided filtering the impure problem of outflow water.
More specifically, the carbon rod device further comprises a convex ring 71, the convex ring 71 is arranged on the rear lower end cover 42, and the diameter of the convex ring 71 is the same as the diameter of the central part of the rear carbon rod 7.
The rear lower end cover 42 is used for bearing the rear carbon rod 7, the rear carbon rod 7 is prevented from directly contacting with the rear filter element sleeve 4, the convex ring 71 plays a role in positioning and is used for fixing the rear carbon rod 7 on the rear lower end cover 42, the diameter of the convex ring 71 is consistent with that of the central part of the rear carbon rod 7 in size, the convex ring can be well matched with the central part of the rear carbon rod 7, no gap is reserved, and flowing water is prevented from directly flowing into the central part of the rear carbon rod 7 and does not pass through the outer layer of the rear carbon rod 7.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a trinity composite filter core, includes filter core top cap and casing, its characterized in that: comprises a front filter component, a rear filter component and a rear filter element sleeve;
the bottom of the front filter assembly is connected with the top of the rear filter element sleeve, the rear filter assembly is positioned right below the front filter assembly, and the rear filter assembly is arranged in the rear filter element sleeve;
the bottom of leading filtering component is equipped with the installation ring, the telescopic top of rearmounted filter core through screw-thread fit install in the installation ring, perhaps the telescopic top of rearmounted filter core through the welding install in the installation ring.
2. The three-in-one composite filter element of claim 1, wherein: the front filter assembly comprises a front upper end cover, a front filter element structure and a front lower end cover; the top of the front filter element structure is provided with the front upper end cover, and the bottom of the front filter element structure is provided with the front lower end cover to form the front filter assembly;
the rear filter assembly comprises a rear upper end cover, a rear filter element structure and a rear lower end cover, the rear upper end cover is arranged at the top of the rear filter element structure, and the rear lower end cover is arranged at the bottom of the rear filter element structure to form the rear filter assembly.
3. The three-in-one composite filter element of claim 2, wherein: the front filter element structure comprises a PP cotton filter element and a front carbon rod, and the PP cotton filter element surrounds the periphery of the front carbon rod; the post-positioned filter element structure is a post-positioned carbon rod.
4. The three-in-one composite filter element of claim 3, wherein: still include center tube, interior sleeve pipe and connector, the connector joint in the bottom of filter core top cap, interior sleeve pipe is located the central part of leading carbon-point, interior sheathed tube lower extreme with preceding bottom end cover offsets, interior sleeve pipe is the hollow tube structure, the center tube is located interior sheathed tube central part, the upper end of center tube peg graft in the connector, the lower extreme of center tube inserts the central part of rearmounted carbon-point, the center tube with the bottom of rearmounted carbon-point leaves the space in vertical direction.
5. The three-in-one composite filter element according to claim 4, wherein: the filter element top cap still includes first water inlet, second water inlet, first delivery port and second delivery port, first water inlet the second water inlet first delivery port with the second delivery port is located side by side in proper order the bottom of the extension of filter element top cap.
6. The three-in-one composite filter element according to claim 5, wherein: the filter element top cover further comprises a first cavity, a second cavity, a third cavity and a fourth cavity, wherein the first cavity, the second cavity, the third cavity and the fourth cavity are arranged in an annular mode respectively, the first cavity surrounds the periphery of the second cavity, the second cavity surrounds the periphery of the third cavity, and the third cavity surrounds the periphery of the fourth cavity.
7. The three-in-one composite filter element according to claim 6, wherein: a first gap is reserved between the front upper end cover and the shell, a second gap is reserved between the front carbon rod and the inner sleeve, and a third gap is reserved between the inner sleeve and the central tube.
8. The three-in-one composite filter element according to claim 7, wherein: the first water inlet is communicated with the first chamber, and the first chamber is communicated with the first gap;
the second water outlet is communicated with the second chamber, and the second chamber is communicated with the second gap;
the second water inlet is communicated with the third chamber, and the third chamber is communicated with the third gap;
the first water outlet is in communication with the fourth chamber, which is in communication with the central tube.
9. The three-in-one composite filter element according to claim 4, wherein: the filter element top cover is characterized in that a sealing ring is arranged between the front upper end cover and the filter element top cover, a sealing ring is arranged between the inner sleeve and the filter element top cover, and a sealing ring is arranged between the connector and the filter element top cover.
10. The three-in-one composite filter element according to claim 3, wherein: the carbon rod rear end cover is characterized by further comprising a convex ring, wherein the convex ring is arranged on the rear lower end cover, and the diameter of the convex ring is consistent with that of the central part of the rear carbon rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533881.4U CN212662918U (en) | 2020-04-13 | 2020-04-13 | Three-in-one composite filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533881.4U CN212662918U (en) | 2020-04-13 | 2020-04-13 | Three-in-one composite filter element |
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| Publication Number | Publication Date |
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| CN212662918U true CN212662918U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020533881.4U Active CN212662918U (en) | 2020-04-13 | 2020-04-13 | Three-in-one composite filter element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014453A (en) * | 2021-10-29 | 2022-02-08 | 佛山市顺德区盈沣泰环保科技有限公司 | Filter equipment who contains sealing washer that divides water |
| CN114014453B (en) * | 2021-10-29 | 2024-04-30 | 佛山市顺德区盈沣泰环保科技有限公司 | Filter device with water diversion sealing ring |
-
2020
- 2020-04-13 CN CN202020533881.4U patent/CN212662918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014453A (en) * | 2021-10-29 | 2022-02-08 | 佛山市顺德区盈沣泰环保科技有限公司 | Filter equipment who contains sealing washer that divides water |
| CN114014453B (en) * | 2021-10-29 | 2024-04-30 | 佛山市顺德区盈沣泰环保科技有限公司 | Filter device with water diversion sealing ring |
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