CN221027856U - RO reverse osmosis membrane filter core - Google Patents
RO reverse osmosis membrane filter core Download PDFInfo
- Publication number
- CN221027856U CN221027856U CN202323018691.1U CN202323018691U CN221027856U CN 221027856 U CN221027856 U CN 221027856U CN 202323018691 U CN202323018691 U CN 202323018691U CN 221027856 U CN221027856 U CN 221027856U
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- China
- Prior art keywords
- wall
- reverse osmosis
- osmosis membrane
- ring
- middle cylinder
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- 239000012528 membrane Substances 0.000 title claims abstract description 66
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000003780 insertion Methods 0.000 claims abstract description 17
- 230000037431 insertion Effects 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The application discloses an RO reverse osmosis membrane filter element, which relates to the technical field of filter elements and comprises a middle cylinder; the bottom frame plate is in threaded connection with the bottom of the circumferential inner wall of the middle cylinder, the RO reverse osmosis membrane body is cylindrical and is arranged in the middle cylinder, and the bottom is in abutting connection with the bottom frame plate; the water collecting pipe is inserted into the middle part of the RO reverse osmosis membrane body, the bottom part of the water collecting pipe does not extend out of the bottom part of the RO reverse osmosis membrane body, and the insertion pipe extends into the cylindrical middle hole of the RO reverse osmosis membrane body to be connected with the water collecting pipe; the top frame plate is abutted to the top of the circumferential inner wall of the middle cylinder; the top cover is in threaded connection with the top of the middle cylinder, the middle position is a water inlet, the inner top wall is provided with a lower pressing block, and the bottom of the lower pressing block presses the second inner plate downwards; the bottom cover is connected with the bottom of the middle cylinder in a threaded manner, a water outlet pipe is arranged in the middle of the bottom cover and connected with the insertion pipe, and the bottom cover is also connected with a water outlet pipe. The application has the effects of improving the disassembly efficiency and sealing effect of the RO reverse osmosis membrane filter element.
Description
Technical Field
The application relates to the technical field of filter elements, in particular to an RO reverse osmosis membrane filter element.
Background
The water purifier is equipment for filtering and purifying tap water through a filter element to ensure that the tap water reaches a reference level, and the RO reverse osmosis membrane filter element is one of the filter elements of the water purifier.
The RO reverse osmosis membrane has small pore diameter, can filter tiny bacteria and impurities in water, only enables water and mineral ions to pass through and permeate into a water collecting pipe wrapped by the RO reverse osmosis membrane. While other impurities which fail to pass through the RO reverse osmosis membrane are discharged along with the concentrated water.
Therefore, RO reverse osmosis membrane filter core belongs to a consumptive material, if not change for a long time can lead to the residual bacterium of interception to breed, also can lead to the infiltration efficiency to reduce. The RO reverse osmosis membrane filter core is generally recycled by factories, and the filter core is generally subjected to backflushing treatment and sterilization treatment during recycling. The recovered filter elements all need to be disassembled, and the RO reverse osmosis membrane is taken out. However, the filter element on the market has a plurality of mounting modes, and the filter element can be sealed, but is inconvenient to detach and inconvenient to recover, and the RO reverse osmosis membrane is taken out.
Disclosure of utility model
The utility model provides an RO reverse osmosis membrane filter element, which aims to solve the problem that an existing RO reverse osmosis membrane filter element is not easy to detach after being recovered.
The application provides an RO reverse osmosis membrane filter core which adopts the following technical scheme:
An RO reverse osmosis membrane filter core, comprising
A middle cylinder;
The bottom frame plate comprises a first inner ring, a first connecting plate, a first outer ring and a cannula, wherein the first outer ring is in threaded connection with the bottom of the circumferential inner wall of the middle cylinder, the first connecting plates are fixedly connected with the inner wall of the first outer ring, the other end of the first connecting plate is fixedly connected with the circumferential outer wall of the first inner ring, and the cannula is fixedly connected with the circumferential inner wall of the first inner ring;
The RO reverse osmosis membrane body is cylindrical and is arranged in the middle cylinder, and the bottom of the RO reverse osmosis membrane body is in butt joint with the bottom frame plate;
The water collecting pipe is inserted into the middle part of the RO reverse osmosis membrane body, the bottom part of the water collecting pipe does not extend out of the bottom part of the RO reverse osmosis membrane body, and the insertion pipe extends into the cylindrical middle hole of the RO reverse osmosis membrane body to be connected with the water collecting pipe;
The top frame plate comprises a second inner plate, a second connecting plate and a second outer ring, the second outer ring is abutted to the top of the circumferential inner wall of the middle cylinder, the number of the second connecting plates is multiple, one end of each second connecting plate is fixedly connected with the inner wall of the second outer ring, the other end of each second connecting plate is fixedly connected with the circumferential outer wall of the second inner plate, and the second inner plate is used for plugging a middle hole in the top of the RO reverse osmosis membrane body;
the top cover is in threaded connection with the top of the middle cylinder, the middle position is a water inlet, the inner top wall is provided with a lower pressing block, and the bottom of the lower pressing block presses the second inner plate downwards;
The bottom cover is connected with the bottom of the middle cylinder in a threaded manner, a water outlet pipe is arranged in the middle of the bottom cover and connected with the insertion pipe, and the bottom cover is also connected with a water outlet pipe.
Optionally, the protrusion of the lower surface of the second inner plate is set as a plug rod, and the plug rod is inserted into the cylindrical middle hole of the RO reverse osmosis membrane body to tightly prop against the inner wall of the middle hole.
Optionally, the lower briquetting is cylindric, sets firmly in top cap inner bottom wall intermediate position, and the bottom is dull and stereotyped and tightly with second inner panel upper surface top, and a plurality of apopores have been seted up to circumference outer wall.
Optionally, an interception net is fixedly arranged between the second connecting plates, and is used for intercepting large-particle impurities visible to naked eyes.
Optionally, the top cover and the bottom cover are both threaded with the peripheral outer wall end part and the peripheral inner wall of the middle cylinder;
Top cap and bottom circumference outer wall all have set firmly the top ring board, and top ring board circumference outer wall has set firmly outer ring board, outer ring board and well section of thick bamboo circumference outer wall butt.
Optionally, a sealing ring is fixedly arranged at the part of the top ring plate facing the end surface of the middle cylinder, and the sealing ring is tightly propped against the end part of the middle cylinder;
Sealing grooves are formed in the top and the bottom of the circumferential inner wall of the middle cylinder, the sealing ring is further arranged in the sealing groove, and the top cover and the bottom cover can tightly prop against the sealing ring of the sealing groove.
Optionally, an insertion ring groove is formed in the top end of the water outlet pipe, and the insertion pipe is abutted with the inner wall of the insertion ring groove.
In summary, the present application includes at least one of the following beneficial technical effects:
The installation structure of the filter element is disassembled, the RO reverse osmosis membrane body is supported at the bottom of the middle cylinder in a mode of installing the bottom frame plate through threads, meanwhile, a certain space is reserved at the bottom of the middle cylinder for discharged concentrated water, and the top frame plate is installed in a pressing mode in a top cover mode, so that the installation firmness of the filter element is improved, and the disassembly and replacement efficiency of the filter element is also improved;
the insertion pipe is arranged, on one hand, the filter element can be fixed in position by being inserted into the middle hole of the RO reverse osmosis membrane body, and the insertion pipe can be inserted into the insertion ring groove of the water outlet hole, so that the connectivity with the water outlet pipe is improved;
The sealing structure after the installation of the top cover and the bottom cover improves the sealing effect by tightly propping the two sealing rings;
The holding down plate can compress tightly down the top frame board on the one hand, and on the other hand can carry out the circulation of water in the cavity of apopore to top cap below through the apopore.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a sectional view showing the inner structure of the middle cylinder;
Fig. 3 is an exploded sectional view showing the internal structure of the middle barrel.
In the figure, 1, a middle cylinder; 11. sealing grooves; 111. a seal ring; 2. an RO reverse osmosis membrane body; 21. a water collecting pipe; 3. a top cover; 31. a water inlet; 32. pressing the block; 321. a water outlet hole; 33. a top ring plate; 331. an outer ring plate; 4. a bottom cover; 41. a water outlet pipe; 42. a drain pipe; 5. a bottom frame plate; 51. a first outer ring; 52. a first connection plate; 53. a first inner ring; 54. a cannula; 541. inserting into the ring groove; 6. a top frame plate; 61. a second outer ring; 62. a second connecting plate; 621. an interception net; 63. a second inner panel; 631. a plug rod.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses an RO reverse osmosis membrane filter element.
Referring to fig. 1 and 2, the RO membrane cartridge includes a middle cartridge 1, a RO membrane body 2, a water collecting pipe 21, a top cover 3, a bottom cover 4, a top frame plate 6, and a bottom frame plate 5. The bottom frame plate 5 is arranged at the bottom part of the circumferential inner wall of the middle cylinder 1 in a threaded manner, the RO reverse osmosis membrane body 2 is positioned in the middle cylinder 1 and is abutted with the circumferential inner wall of the middle cylinder 1, the bottom frame plate is cylindrical, and the water collecting pipe 21 is inserted into a middle hole of the RO reverse osmosis membrane body 2. The bottom cover 4 is arranged at the bottom end of the middle cylinder 1 in a threaded manner, the bottom of the middle cylinder 1 is sealed, a water outlet pipe 41 is arranged in the middle of the bottom cover 4, the water outlet pipe 41 is communicated with the water collecting pipe 21 through the bottom frame plate 5, and the bottom cover 4 is also connected with a water outlet pipe 42. The top cap 3 threaded connection is at well section of thick bamboo 1 top, and top cap 3 intermediate position is water inlet 31, and the interior roof is provided with down briquetting 32. The top frame plate 6 is installed at the top of the middle cylinder 1 in a compressed mode, is compressed towards the RO reverse osmosis membrane body 2 by the lower pressing block 32, and seals the top of the water collecting pipe 21. Both the top frame plate 6 and the bottom frame plate 5 can enable water to flow towards the end of the RO reverse osmosis membrane body 2.
The RO reverse osmosis membrane filter element is installed by firstly installing the bottom frame plate 5, then installing the RO reverse osmosis membrane body 2 and the water collecting pipe 21, then placing the top frame plate 6 on the top of the middle cylinder 1 after installing the bottom cover 4 through threads, then connecting the top cover 3 on the top end of the middle cylinder 1 through threads, pressing the top frame plate 6 downwards through the pressing block 32, closing the top end of the water collecting pipe 21, and completing the installation of the RO reverse osmosis membrane filter element. Meanwhile, the filter element is convenient to detach in the later period. The water flows into the lower part of the top cover 3 from the water inlet 31, passes through the top frame plate 6 and flows to the end part of the RO reverse osmosis membrane body 2, continuously permeates into the water collecting pipe 21 and is filtered in the downward flowing process, and finally, the water flowing into the water collecting pipe 21 is direct drinking water and flows out through the water outlet pipe 41. Wherein water which fails to pass through the RO reverse osmosis membrane flows downwards, flows out from the bottom end of the RO reverse osmosis membrane body 2, and is discharged from the drain pipe 42.
Referring to fig. 2 and 3, the bottom frame plate 5 includes a first outer ring 51, a first connection plate 52, the first outer ring 51, and a cannula 54. The first outer ring 51 is screwed to the bottom of the inner wall around the circumference of the middle cylinder 1. The first connecting plates 52 are multiple, one end of each first connecting plate is fixedly connected with the inner wall of the first outer ring 51, the other end of each first connecting plate is fixedly connected with the circumferential outer wall of the first inner ring 53, and the first connecting plates 52 are distributed at equal intervals circumferentially by taking the central axis of the first outer ring 51 as the center. The cannula 54 is fixedly connected with the circumferential inner wall of the first inner ring 53, and the top end is inserted into the middle hole of the RO reverse osmosis membrane body 2 to be connected with the water collecting pipe 21. The top end of the water outlet pipe 41 is provided with an insertion ring groove 541, and the insertion pipe 54 is abutted against the inner wall of the insertion ring groove 541.
The top frame plate 6 includes a second inner plate 63, a second connecting plate 62, and a second outer ring 61. The second outer ring 61 butt is at the inner wall top in the circumference of well section of thick bamboo 1, and a plurality of second connecting plates 62, one end and second outer ring 61 inner wall fixed connection, the other end and second inner panel 63 circumference outer wall fixed connection, a plurality of second connecting plates 62 are circumference equidistance distribution about the central axis of second outer ring 61 as the center. An interception net 621 is installed between the second connection plates 62, and the interception net 621 is used for intercepting large particle impurities visible to naked eyes. The second inner plate 63 seals the middle hole at the top of the RO reverse osmosis membrane body 2. The lower surface of the second inner plate 63 is provided with a protruding plug 631, and the plug 631 is inserted into the tubular middle hole of the RO reverse osmosis membrane body 2 and is tightly pressed against the inner wall of the middle hole.
The top cover 3 and the bottom cover 4 are each screwed at the peripheral outer wall distal end portion with the peripheral inner wall of the center tube 1. Top cover 3 and bottom cover 4's circumference outer wall has all set firmly top ring board 33, and top ring board 33 circumference outer wall has set firmly outer ring board 331, outer ring board 331 and well section of thick bamboo 1 circumference outer wall butt. The surface of the top ring plate 33 facing the end of the middle cylinder 1 is fixedly provided with a sealing ring 111, and the end of the middle cylinder 1 can be tightly propped against the sealing ring 111. Sealing grooves 11 are formed in the top and the bottom of the inner wall of the circumference of the middle cylinder 1, the sealing ring 111 is further arranged in the sealing groove 11, and the top cover 3 and the bottom cover 4 can tightly prop against the sealing ring 111 of the sealing groove 11. The lower pressing block 32 is cylindrical, is fixedly arranged at the middle position of the inner bottom wall of the top cover 3, is flat at the bottom and is tightly propped against the upper surface of the second inner plate 63, and a plurality of water outlet holes 321 are formed in the circumferential outer wall.
After installation, the lower pressing block 32 not only can press the top frame plate 6 downwards, but also can plug the stopper rod 631 into the top of the middle hole of the RO reverse osmosis membrane body 2, so that the probability that unfiltered water enters the water collecting pipe 21 is reduced. The pressing block 32 can also enable water to flow downwards below the top cover 3 through the water outlet 321, and the water below the top cover 3 flows downwards through the interception net 621 and intercepts large particle impurities in the water through the interception net 621. The water outlet pipe 41 can be connected with the cannula 54 through the insertion ring groove 541, so that the connection stability of the bottom cover 4 with the cannula 54 after being connected is improved. The top cover 3 and the bottom cover 4 can improve the stability of the installation with the middle tube 1 by the structure of the outer ring plate 331 and the top ring plate 33, and improve the sealing effect by the compression of the sealing ring 111.
The implementation principle of the RO reverse osmosis membrane filter element provided by the embodiment of the application is as follows: the bottom frame plate 5 is arranged at the bottom of the middle cylinder 1 in a threaded manner, the bottom cover 4 is arranged in a threaded manner, the RO reverse osmosis membrane body 2 and the water collecting pipe 21 are inserted into the middle cylinder 1, the top frame plate 6 is arranged at the top of the middle cylinder 1, the plug rod 631 is inserted into the middle hole of the RO reverse osmosis membrane body 2, the top cover 3 is arranged at the top end of the middle cylinder 1 in a threaded manner, the position of the top frame plate 6 is fixed through the lower pressing block 32, and the detachable installation of the RO reverse osmosis membrane filter element is completed. Wherein the arrangement of the top ring plate 33 and the outer ring plate 331 of the top cover 3 and the bottom cover 4 can effectively improve the installation stability of the top cover 3 and the bottom cover 4, and improve the sealing effect by matching with the sealing ring 111.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. An RO reverse osmosis membrane filter core, its characterized in that: comprising
A middle cylinder (1);
The bottom frame plate (5) comprises a first inner ring (53), a first connecting plate (52), a first outer ring (51) and a cannula (54), wherein the first outer ring (51) is in threaded connection with the bottom of the circumferential inner wall of the middle cylinder (1), the plurality of first connecting plates (52) are fixedly connected with the inner wall of the first outer ring (51), the other end of each first connecting plate is fixedly connected with the circumferential outer wall of the first inner ring (53), and the cannula (54) is fixedly connected with the circumferential inner wall of the first inner ring (53);
The RO reverse osmosis membrane body (2) is cylindrical and is arranged in the middle cylinder (1), and the bottom of the RO reverse osmosis membrane body is in abutting connection with the bottom frame plate (5);
The water collecting pipe (21) is inserted into the middle part of the RO reverse osmosis membrane body (2), the bottom part of the water collecting pipe does not extend out of the bottom part of the RO reverse osmosis membrane body (2), and the insertion pipe (54) extends into a cylindrical middle hole of the RO reverse osmosis membrane body (2) to be connected with the water collecting pipe (21);
the top frame plate (6) comprises a second inner plate (63), a second connecting plate (62) and a second outer ring (61), wherein the second outer ring (61) is abutted to the top of the circumferential inner wall of the middle cylinder (1), a plurality of second connecting plates (62) are arranged, one end of each second connecting plate is fixedly connected with the inner wall of the second outer ring (61), the other end of each second connecting plate is fixedly connected with the circumferential outer wall of the second inner plate (63), and the second inner plate (63) is used for plugging a middle hole at the top of the RO reverse osmosis membrane body (2);
The top cover (3) is in threaded connection with the top of the middle cylinder (1), the middle position is provided with a water inlet (31), the inner top wall is provided with a lower pressing block (32), and the bottom of the lower pressing block (32) downwards presses the second inner plate (63);
The bottom cover (4) is in threaded connection with the bottom of the middle cylinder (1), the middle position is provided with a water outlet pipe (41), the water outlet pipe (41) is connected with the insertion pipe (54), and the bottom cover (4) is also connected with a water outlet pipe (42).
2. The RO membrane cartridge of claim 1 wherein: the lower surface of the second inner plate (63) is provided with a bulge which is a plug rod (631), and the plug rod (631) is inserted into a tubular middle hole of the RO reverse osmosis membrane body (2) to tightly prop against the inner wall of the middle hole.
3. The RO membrane cartridge of claim 2 wherein: the lower pressing block (32) is cylindrical, is fixedly arranged at the middle position of the inner bottom wall of the top cover (3), is flat at the bottom and is tightly propped against the upper surface of the second inner plate (63), and a plurality of water outlets (321) are formed in the circumferential outer wall.
4. The RO membrane cartridge of claim 2 wherein: an interception net (621) is fixedly arranged between the second connecting plates (62), and the interception net (621) is used for intercepting large-particle impurities visible to naked eyes.
5. The RO membrane cartridge of claim 1 wherein: the top cover (3) and the bottom cover (4) are respectively in threaded connection with the tail end part of the peripheral outer wall and the peripheral inner wall of the middle cylinder (1);
Top cap (3) and bottom (4) circumference outer wall all have set firmly top ring board (33), and top ring board (33) circumference outer wall has set firmly outer ring board (331), outer ring board (331) and well section of thick bamboo (1) circumference outer wall butt.
6. The RO membrane cartridge of claim 5, wherein: a sealing ring (111) is fixedly arranged at the part of the top ring plate (33) facing the end surface of the middle cylinder (1), and the sealing ring (111) is tightly propped against the end part of the middle cylinder (1);
Sealing grooves (11) are formed in the top and the bottom of the circumferential inner wall of the middle cylinder (1), the sealing ring (111) is further arranged in the sealing groove (11), and the top cover (3) and the bottom cover (4) can tightly prop against the sealing ring (111) of the sealing groove (11).
7. The RO membrane cartridge of claim 1 wherein: an inserting ring groove (541) is formed in the top end of the water outlet pipe (41), and the insertion pipe (54) is abutted to the inner wall of the inserting ring groove (541).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323018691.1U CN221027856U (en) | 2023-11-09 | 2023-11-09 | RO reverse osmosis membrane filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323018691.1U CN221027856U (en) | 2023-11-09 | 2023-11-09 | RO reverse osmosis membrane filter core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221027856U true CN221027856U (en) | 2024-05-28 |
Family
ID=91167626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323018691.1U Active CN221027856U (en) | 2023-11-09 | 2023-11-09 | RO reverse osmosis membrane filter core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221027856U (en) |
-
2023
- 2023-11-09 CN CN202323018691.1U patent/CN221027856U/en active Active
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