CN217498876U - RO composite filter element - Google Patents
RO composite filter element Download PDFInfo
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- CN217498876U CN217498876U CN202220245950.0U CN202220245950U CN217498876U CN 217498876 U CN217498876 U CN 217498876U CN 202220245950 U CN202220245950 U CN 202220245950U CN 217498876 U CN217498876 U CN 217498876U
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Abstract
The utility model relates to a RO composite filter element, including leading filter core, RO filter core, rearmounted filter core, shell, first casing, second casing and third casing, be formed with first chamber between the outer wall of leading filter core and the shell inner wall, be formed with the second chamber between the inner wall of RO filter core and second casing outer wall and first casing, the inner wall of center tube and third casing is formed with the third chamber, be formed with the fourth chamber between the outer wall of the inner wall of second casing and third casing, the raw water passes through water diversion device gets into first chamber, filters the back through leading filter core and gets into the second chamber through the perforation, filters formation filtration water and waste water through the RO filter core in the second chamber, waste water passes through fourth chamber and water diversion device discharge, the drainage water enters into in the third chamber, filters the back through rearmounted filter core and is discharged by water diversion device. The application lies in providing a new R0 composite filter element structure and corresponding water route.
Description
Technical Field
The utility model relates to a filter core field, especially a RO composite filter core.
Background
The reverse osmosis water purifier is a common water filtering equipment in daily field, and it mainly comprises leading preliminary treatment filter core, rearmounted preliminary treatment filter core and RO membrane filter core, and it is installed respectively at the head end in water purifier water route, end and middle-end usually, and the ground water that gets into in the water purifier realizes elementary filtration through leading preliminary treatment filter core at first, then filters through RO membrane filter core and passes through rearmounted preliminary treatment filter core again, finally supplies the user to use, and current RO composite filter core structure still needs further to improve.
Disclosure of Invention
An object of the utility model is to solve the above technical problem, provide a RO composite filter core, this application lies in providing a new R0 composite filter core structure and its water route that corresponds.
In order to achieve the above purpose, the technical scheme of the utility model has:
an RO composite filter element comprises a front filter element, an RO filter element, a rear filter element, a shell, a first shell, a second shell and a third shell, wherein one end of the shell is provided with a water diversion device, the first shell is arranged in the shell and is inserted in the water diversion device, an outer cavity and an inner cavity are formed inside and outside the first shell, the front filter element is arranged in the outer cavity and arranged in the first shell, and the first shell is provided with a through hole; the second shell is arranged in the inner cavity and is inserted into the water diversion device, the RO filter element is arranged at the lower end of the second shell, and the middle part of the RO filter element is provided with a central tube; the rear filter element is arranged in a third shell, the water inlet end of the third shell is spliced with the central pipe, and the water outlet end of the third shell is spliced with the water diversion device; be formed with first chamber between the outer wall of leading filter core and the shell inner wall, be formed with the second chamber between the inner wall of RO filter core and second casing outer wall and first casing, the inner wall of center tube and third casing is formed with the third chamber, be formed with the fourth chamber between the inner wall of second casing and the outer wall of third casing, the raw water passes through water diversion device gets into first chamber, gets into the second chamber through the perforation after leading filter core filters, filters formation filtration water and waste water through the RO filter core in the second chamber, waste water passes through fourth chamber and water diversion device discharge, the drainage water enters into in the third chamber, filters the back through rearmounted filter core and is discharged by water diversion device.
The RO composite filter element comprises a first shell, a second shell, a third shell, a front filter element, an RO filter element and a rear filter element, wherein the front filter element and the rear filter element are fixedly installed, a corresponding filtering water path is formed, when raw water enters the shell, the raw water can firstly pass through the first cavity, the raw water flows into the second cavity after being filtered by the front filter element, the raw water is filtered by the RO filter element, filtered water generated after the RO filter element is filtered flows into the third cavity, the generated waste water is discharged from the filter element through a fourth cavity and a water diversion device, and the filtered water flowing into the third cavity is discharged from the filter element through the water diversion device after being filtered by the rear filter element.
Furtherly, still include the booster pump, the booster pump sets up outside the shell, this booster pump with water diversion device intercommunication, raw water gets into first chamber filters after the perforation first flow through water diversion device get into behind the booster pump pressure boost reentrant the second chamber. The booster pump is used for increasing the filtered water, so that the subsequent filtering is facilitated.
Still further, the first shell comprises a first cylinder body and a first end cover, and the first cylinder body and the first end cover are connected into a whole in a rotary melting connection mode. The first cylinder body and the first end cover can be firmly combined together through a rotary melting process, the first cavity is directly communicated with raw water, therefore, the pressure in the first cavity is the pressure of the raw water, the second cavity is filtered water after the booster pump is boosted, a large pressure difference exists between the two cavities, and if the first cylinder body and the first end cover of the first shell are only sealed by the sealing ring, the sealing ring can be separated from the first cylinder body and the first end cover due to the pressure difference, so that the sealing failure and the mutual water connection between the cavities can be caused, and the filter element can not normally work.
Still further, the third shell comprises a second cylinder and a second end cover, and the second cylinder and the second end cover are connected into a whole in a rotary melting connection mode. Similarly, pressure difference is formed between the third cavity in the third shell and the fourth cavity outside the third shell, and the second cylinder and the second end cover are firmly combined together by adopting a rotary melting process, so that the wastewater is prevented from entering the filtered water.
Still further, the water diversion device comprises a plug board and a water path board, the plug board is used for plugging the first shell, the second shell and the third shell, and the water path board is used for externally connecting a water path.
Furthermore, the insertion board and the waterway board are matched to form five connecting ports, wherein one connecting port is used for connecting raw water, two connecting ports are used for connecting the booster pump, one connecting port is used for discharging filtered water, and the other connecting port is used for discharging waste water.
Still further, first casing is only provided with at its top the perforation, the inside of this first casing be equipped with this perforation complex fifth chamber, the fifth chamber with water diversion device intercommunication, raw water gets into first chamber filters the back and passes through the fifth chamber of earlier flow through after the perforation and water diversion device gets into the booster pump pressure boost and then get into the second chamber. The structure that the through hole is formed only at the top of the first shell and the fifth cavity is formed at the corresponding position can enable the structure of the filter element to be more compact, and the fifth cavity and the second cavity can be separated by one shell structure of the first shell; to all setting up fenestrate first shell structure from top to bottom, can lead to additionally setting up a casing outside the RO filter core, just can separate out fifth chamber and second chamber.
Still further, the outer wall of first casing is provided with the guiding gutter, the guiding gutter intercommunication the perforation. The raw water can flow into the through holes along the diversion trenches after being filtered by the preposed filter element.
Still further, the preposed filter element is an ACF carbon fiber filter element.
Still further, the post-positioned filter element is an activated carbon rod filter element.
Drawings
Fig. 1 is a sectional view of an RO composite filter element of the present invention;
FIG. 2 is a cross-sectional view of a pre-filter portion of the RO composite filter cartridge of the present invention;
fig. 3 is a cross-sectional view of the RO filter element portion of the RO composite filter element of the present invention;
fig. 4 is a cross-sectional view of the post-filter portion of the RO composite filter cartridge of the present invention;
fig. 5 is an exploded view of the RO composite filter element of the present invention;
fig. 6 is a perspective view of the first housing of the present invention;
fig. 7 is a perspective view of a second housing and an RO cartridge of the present invention;
fig. 8 is a perspective view of a third housing of the present invention.
Detailed Description
The RO composite filter element of the present invention is described with reference to the accompanying drawings.
The RO composite filter element shown in fig. 1 to 8 comprises a front filter element 2, an RO filter element 4, a rear filter element 7, a housing 1, a first shell 3, a second shell 5 and a third shell 6, wherein the front filter element 2 is an ACF carbon fiber filter element, and the rear filter element 7 is an activated carbon rod filter element; one end of the shell 1 is a water diversion device, as shown in fig. 5, the water diversion device includes an insertion plate 12 and a water path plate 11, the insertion plate 12 is used for inserting the first shell 3, the second shell 5 and the third shell 6, the water path plate 11 is used for connecting with an external water path, the first shell 3 is installed in the shell 1 and inserted in the water diversion device, an outer cavity and an inner cavity are formed inside and outside the first shell 3, the front filter element 2 is arranged in the outer cavity and installed in the first shell 3, and the first shell 3 is provided with a through hole 31; the second shell 5 is arranged in the inner cavity and is inserted into the water diversion device, the RO filter element 4 is arranged at the lower end of the second shell 5, and the middle part of the RO filter element 4 is provided with a central tube 41; the rear filter element 7 is arranged in the third shell 6, the water inlet end 61 of the third shell 6 is inserted into the central tube 41, and the water outlet end 62 of the third shell 6 is inserted into the water diversion device; be formed with first chamber 13 between the outer wall of leading filter core 2 and the shell 1 inner wall, be formed with second chamber 14 between RO filter core 4 and second casing 5 outer wall and the inner wall of first casing 3, the inner wall of center tube 41 and third casing 6 is formed with third chamber 15, be formed with fourth chamber 16 between the inner wall of second casing 5 and the outer wall of third casing 6, the raw water passes through water diversion device gets into first chamber 13, filters through leading filter core 2 and gets into second chamber 14 after, filters through RO filter core 4 in second chamber 14 and forms filtration water and waste water, waste water passes through fourth chamber 16 and water diversion device discharge, the drainage water gets into in the third chamber 15, discharge by water diversion device after the filtration of rearmounted filter core 7.
In order to give the drainage water pressure boost, make things convenient for follow-up filtration, this application has still set up the booster pump, the booster pump sets up outside shell 1, this booster pump with the water diversion device intercommunication, the raw water gets into first chamber 13 filters the back and gets into again after the water diversion device gets into the booster pump pressure boost through passing through behind the perforation 31 the second chamber 14, corresponds plugboard 12 and 11 cooperations of water route board are formed with five connectors, and wherein include a connector and be used for inserting the raw water, two connectors are used for connecting the booster pump, a connector are used for the drainage water, and a connector is used for discharge waste water.
The first casing 3 includes a first cylinder 33 and a first end cap 34, the first cylinder 33 and the first end cap 34 are connected into a whole in a rotary melting connection mode, the first cylinder 33 and the first end cap 34 can be firmly combined together through a rotary melting process, the first chamber 13 is directly communicated with raw water, so that the pressure in the first chamber 13 is the pressure from the raw water, the second chamber 14 is filtered water after pressurization of a booster pump, a large pressure difference exists between the two chambers, if the first cylinder 33 and the first end cap 34 of the first casing 3 are only sealed by a sealing ring, the sealing ring may separate the first cylinder 33 and the first end cap 34 due to the pressure difference, so that sealing failure occurs and water is mixed between the chambers, so that the filter element cannot normally work, as shown in fig. 2, the first cylinder 33 and the first end cap 34 are connected at a first rotary melting point 35.
The third housing 6 includes a second cylinder 63 and a second end cap 64, the second cylinder 63 and the second end cap 64 are connected into a whole in a rotational fusing manner, similarly, a pressure difference is also provided between the fourth chambers 16 outside the 15 third housings 6 in the third chamber 6, the second cylinder 63 and the second end cap 64 are also firmly combined together in a rotational fusing process, so as to prevent wastewater from entering the filtered water, as shown in fig. 3, the second cylinder 63 and the second end cap 64 are connected into a whole in a rotational fusing manner at a second rotational fusing point 65.
As shown in fig. 1, 2 and 6, the first casing 3 is provided with the through hole 31 only at the top thereof, the first casing 3 is provided with a fifth chamber 17 inside thereof, the fifth chamber 17 is communicated with the water diversion device, raw water enters the first chamber 13 for filtration, then passes through the through hole 31, then flows through the fifth chamber 17 and the water diversion device, enters the booster pump for pressurization, and then enters the second chamber 14, the structure that the through hole 31 is provided only at the top of the first casing 3 and the fifth chamber 17 is formed at the corresponding position can make the structure of the filter element more compact, and the fifth chamber 17 and the second chamber 14 can be separated by one casing structure of the first casing 3; the configuration of the first housing 3 with the perforations 31 at both the top and bottom results in the need for an additional housing outside the RO cartridge 4 to separate the fifth chamber 17 from the second chamber 14. The outer wall of the first shell 3 is provided with a diversion trench 32, the diversion trench 32 is communicated with the through hole 31, and raw water can flow into the through hole 31 along the diversion trench 32 after being filtered by the front filter element 2.
Variations and modifications to the above-described embodiments may occur to those skilled in the art based upon the disclosure and teachings of the above specification. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, such terms are used for convenience of description and are not to be construed as limiting the invention in any way.
Claims (10)
1. An RO composite filter element is characterized by comprising a preposed filter element, an RO filter element, a postposition filter element, a shell, a first shell, a second shell and a third shell, wherein one end of the shell is provided with a water diversion device, the first shell is arranged in the shell and is inserted in the water diversion device, an outer cavity and an inner cavity are formed inside and outside the first shell, the preposed filter element is arranged in the outer cavity and arranged in the first shell, and a through hole is formed in the first shell; the second shell is arranged in the inner cavity and is inserted into the water diversion device, the RO filter element is arranged at the lower end of the second shell, and the middle part of the RO filter element is provided with a central tube; the rear filter element is arranged in a third shell, the water inlet end of the third shell is spliced with the central pipe, and the water outlet end of the third shell is spliced with the water diversion device; be formed with first chamber between the outer wall of leading filter core and the shell inner wall, be formed with the second chamber between the inner wall of RO filter core and second casing outer wall and first casing, the inner wall of center tube and third casing is formed with the third chamber, be formed with the fourth chamber between the inner wall of second casing and the outer wall of third casing, the raw water passes through water diversion device gets into first chamber, filters the back through leading filter core and gets into the second chamber through the perforation, filters formation filtration water and waste water at the second intracavity through the RO filter core, waste water passes through fourth chamber and water diversion device discharge, the drainage gets into in the third chamber, filters the back through rearmounted filter core and is discharged by water diversion device.
2. An RO composite filter element according to claim 1 further comprising a booster pump disposed outside the casing and communicating with the water diversion means, wherein raw water enters the first chamber for filtration, passes through the water diversion means after being perforated, enters the booster pump for pressurization, and then enters the second chamber.
3. An RO composite filter element according to claim 2 wherein the first housing comprises a first cylinder and a first end cap, the first cylinder and the first end cap being integrally connected by a rotational-melt connection.
4. An RO composite filter element according to claim 2 wherein the third housing comprises a second cylinder and a second end cap which are integrally connected by a rotational melt connection.
5. An RO composite filter element according to claim 2 wherein the water diversion means comprises a plug board for plugging the first, second and third housings and a waterway board for externally connecting a waterway.
6. An RO composite filter element according to claim 5, characterized in that the insertion plate and the waterway plate are cooperatively formed with five connection ports, including one connection port for receiving raw water, two connection ports for connecting the pressurizing pump, one connection port for discharging filtered water, and one connection port for discharging waste water.
7. An RO composite filter element according to claim 2, wherein the first casing is provided with the perforation only at the top thereof, the first casing is internally provided with a fifth chamber fitted with the perforation, the fifth chamber is communicated with the water dividing means, and raw water enters the first chamber, is filtered, passes through the perforation, then passes through the fifth chamber and the water dividing means, enters the booster pump, is pressurized, and then enters the second chamber.
8. An RO composite filter element according to claim 7, wherein the outer wall of the first shell is provided with a guide groove which communicates with the perforation.
9. An RO composite filter element according to claim 1, wherein the pre-filter element is an ACF carbon fiber filter element.
10. An RO composite filter according to claim 1 wherein the post-filter is an activated carbon rod filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220245950.0U CN217498876U (en) | 2022-01-27 | 2022-01-27 | RO composite filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220245950.0U CN217498876U (en) | 2022-01-27 | 2022-01-27 | RO composite filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217498876U true CN217498876U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220245950.0U Active CN217498876U (en) | 2022-01-27 | 2022-01-27 | RO composite filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217498876U (en) |
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- 2022-01-27 CN CN202220245950.0U patent/CN217498876U/en active Active
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