CN115888395B - Filter element structure - Google Patents

Filter element structure Download PDF

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Publication number
CN115888395B
CN115888395B CN202211357092.XA CN202211357092A CN115888395B CN 115888395 B CN115888395 B CN 115888395B CN 202211357092 A CN202211357092 A CN 202211357092A CN 115888395 B CN115888395 B CN 115888395B
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pure water
water
space
filtering part
flow
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CN115888395A (en
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曾治钧
黄振韶
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Guangdong Lingshang Water Purification Technology Co Ltd
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Guangdong Lingshang Water Purification Technology Co Ltd
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Abstract

The utility model provides a water purification waterway system and a filter element structure, wherein the water purification waterway system comprises a filtering part, wherein a pure water side of the filtering part is communicated with a pure water output end to form a pure water flow channel, and a pure water tributary is communicated between the pure water side of the filtering part and the pure water flow channel; when the water making operation is carried out, the pure water obtained from the pure water side of the filtering part generates a diversion condition, one path of pure water is directly guided to the pure water output end for output through the pure water flow channel, and the other path of pure water is guided by the pure water tributary and then flows back to the pure water flow channel for output to the pure water output end. The utility model is provided with the pure water branch flow, one path of pure water is led to flow back to the pure water flow channel to output the pure water output end after being prolonged in the output path of the pure water branch flow, and the storage space of pure water in the pure water waterway system is enlarged, so that the TDS concentration generated by the water purifier in standby can be reduced to a great extent, and the problem of high TDS value of first cup water is solved.

Description

Filter element structure
Technical Field
The utility model relates to the technical field of water purification, in particular to a filter element structure.
Background
Currently, filtration systems are widely used in daily life and are commonly used for filtration of various fluids. Along with the improvement of living standard, the filtering system is widely applied to the filtration of domestic water so as to eliminate the pollution of water sources, conveying processes and the like to water and the influence on water quality, and ensure the water safety. The reverse osmosis filtration system is a water purification system commonly used in filtration of residential drinking water.
Patent publication No. CN106139904A discloses a reverse osmosis membrane module, filter core and water purifier, and this waterway system specifically does: raw water enters from one end of the filter element, the raw water is filtered from outside to inside, and filtered purified water exits through the central tube. The pure water cavity of the structure is smaller, when the water purifier is in standby, the TDS value of the water staying at the original water side is higher than that of the water staying at the pure water side, so that the salt content of the water at the original water side is easy to permeate into the water at the pure water side, and the concentration of the salt content of the water at the pure water side of the semipermeable membrane is increased. Therefore, after the water purifier stands by for a period of time, the first cup of water which is picked up by a user has higher TDS value, and the water quality can not meet the filtering requirement.
Disclosure of Invention
The utility model aims to provide a water purification waterway system and a filter element structure, which are capable of increasing a pure water output path and solving the problem of high TDS value of first-cup water.
In order to achieve the above object, one of the technical solutions provided by the present utility model is as follows:
the pure water waterway system comprises a filtering part, wherein a pure water side of the filtering part is communicated with a pure water output end to form a pure water flow channel, and a pure water tributary is communicated between the pure water side of the filtering part and the pure water flow channel; when the water making operation is carried out, the pure water obtained from the pure water side of the filtering part generates a diversion condition, one path of pure water is directly guided to the pure water output end for output through the pure water flow channel, and the other path of pure water is guided by the pure water tributary and then flows back to the pure water flow channel for output to the pure water output end.
The utility model is provided with the pure water tributary, one path of pure water is used under the pure water tributary application, the output path is prolonged, and then the pure water is led back to the pure water flow channel to output the pure water to the pure water output end, so that the storage space of pure water of the pure water waterway system can be enlarged. Therefore, under the condition that a sufficient amount of pure water source exists on the pure water side of the filtering part, the TDS concentration generated on the pure water side of the filtering part during standby of the water purifier can be greatly reduced, and the problem that the TDS value for taking the first cup of water is high in the follow-up process is solved.
Further, the flow channel guiding direction of the pure water flow channel is arranged along the straight line direction, so that pure water in the pure water flow channel flows smoothly, and the water taking requirement of a user is ensured.
Further, the pure water sub-flow includes a first sub-flow communicating with the pure water side of the filtering portion, and a flow path guiding direction of the first sub-flow is opposite to a flow path guiding direction of the pure water flow path. The pure water tributary comprises a second tributary, and the flow channel guiding direction of the second tributary is the same as the flow channel guiding direction of the pure water flow channel. The other pure water is led by the first branch flow and the second branch flow in sequence and then flows back to the pure water flow channel to be output to the pure water output end.
Further, a reserve space for reserving pure water is formed between the water outlet end of the first tributary and the water inlet end of the second tributary. The other pure water is led to the first branch flow, the reserve space and the second branch flow in sequence and then flows back to the pure water flow channel to output the pure water to the pure water output end. The larger the reserve space, the larger the water capacity of the pure water tributary, and the better dilution of the water salt concentration of the pure water side can be obtained when the machine is stopped.
Further, the flow rate of the pure water tributaries is smaller than the flow rate of the pure water flow channels. Based on the deviation layout of the water quantity, the pure water can generate pressure difference in the production and output process, and the pure water on the pure water side of the filtering part can be led out more effectively.
The utility model also provides another technical scheme: the filter element structure comprises a shell, wherein a raw water input end, a pure water output end and a concentrated water output end are arranged on the shell; the water purification waterway system is arranged in the shell.
Further, a filtering part with a cylindrical structure is arranged in the shell, the pure water side of the filtering part is formed on the cylindrical inner side of the filtering part, and a central pipe with holes is arranged on the cylindrical inner side of the filtering part; one end of the central tube is arranged corresponding to the pure water output end, and the pure water flow passage is formed in the central tube.
Further, the other end of the center pipe is provided with a partition member to divide the center pipe into a first space in which the pure water flow passage is formed and a second space through which the output path of the pure water tributary passes.
Further, a first clearance space is formed between one side of the filtering part far away from the pure water output end and the shell; one end of the central tube is communicated with the pure water output end, a first water passing hole and a second water passing hole are formed in the first clearance space at the other end of the central tube, the first water passing hole is communicated with the second space, and the second water passing hole is communicated with the first space; the output path of pure water tributary passes through the second space, the first water passing hole, the first clearance space, the second water passing hole and the first space in sequence.
Further, a second clearance space is formed between the outer peripheral side of the filter portion and the housing, the second clearance space communicating with the first clearance space.
Further, a water isolation piece is arranged between the outer peripheral side of the filtering part and the shell, a pure water cavity is formed between the water isolation piece and the shell, and the pure water cavity is communicated with the first clearance space; the second space, the first water passing hole, the first clearance space which is communicated with the pure water cavity and the pure water branch flow is formed between the second water passing hole and the first space; a raw water cavity is formed between the water isolation piece and the outer peripheral side of the filtering part, the outer peripheral side of the filtering part is a water inlet side, and the raw water cavity is communicated with the raw water input end.
Further, the ratio of the length of the arrangement section of the partition piece in the central tube to the extension length of the central tube is 1:3 to 1:5.
the beneficial effects achieved by the utility model are as follows:
the utility model is provided with the pure water branch flow, one path of pure water is led to flow back to the pure water flow channel to output the pure water output end after being prolonged in the output path of the pure water branch flow, and the storage space of pure water in the pure water waterway system is enlarged, so that the TDS concentration generated by the water purifier in standby can be reduced to a great extent, and the problem of high TDS value of first cup water is solved.
On the other hand, when the water purification waterway system is in standby, the water source staying in the pure water branch flow has a high TDS value, and if the water source in the pure water branch flow does not have fluidity when water taking application is performed after standby, the TDS value of the water source in the pure water branch flow is increased by a little when the standby times are increased once, so that the water salinity concentration of the pure water side of the reverse osmosis membrane is increased. The utility model guides the pure water in the pure water branch flow to be input into the pure water flow channel and then output by the pure water output end, when the pure water in the pure water branch flow is used for taking water after standby, the pure water in the pure water branch flow drives the water source with high TDS value which stays in the pure water branch flow during standby to be output by the pure water output end, so that the problem that the water source in the pure water branch flow does not have fluidity while meeting the requirement of a larger pure water cavity volume is solved.
Through the arrangement of the filter element structure, pure water filtered by the filtering part forms a pure water flow channel and pure water branch flow for combined application is guided in a split way, so that the flow path of the pure water is prolonged, the water pressure condition of the filter element structure in the pure water production process is effectively balanced, and the water production efficiency is promoted; meanwhile, the pure water storage space volume of the pure water side of the filtering part can be increased, so that the water salt concentration of the pure water side of the filtering part is effectively diluted.
Drawings
FIG. 1 is a schematic diagram of the structure and waterway direction of embodiment 1 of the present utility model;
fig. 2 is a schematic diagram of the structure and waterway direction of embodiment 2 of the present utility model.
Reference numerals illustrate:
a shell 1, a raw water input end 11, a pure water output end 12, a concentrated water output end 13,
The central tube 2, the pure water hole 21, the first water passing hole 22, the second water passing hole 23, the partition piece 24, the first space 25, the second space 26, the sealing groove 27,
A filtering part 3, a water inlet side 31, a concentrate side 32, a pure water flow passage 4, a pure water sub-flow 40, a first sub-flow 41, a storage space 42, a second sub-flow 43,
A first gap space 5, a second gap space 6, a pure water chamber 61, a raw water chamber 62, a water blocking member 63, a partition opening 631, an expansion section 632, a water blocking groove 633,
A first connecting piece 7, a first through hole 71, a second through hole 72,
The second connecting piece 8, the through hole 81, the sealing piece 9 and the isolation layer 10.
Detailed Description
In order to make the technical scheme, the purpose and the advantages of the utility model more clear, the utility model is further explained below with reference to the drawings and the embodiments.
The utility model provides a water purification waterway system, which comprises a filtering part 3, wherein the pure water side of the filtering part 3 is communicated with a pure water output end 12 to form a pure water flow channel 4, and a pure water tributary 40 is communicated between the pure water side of the filtering part 3 and the pure water flow channel 4; when the water making operation is performed, the pure water obtained from the pure water side of the filtering part 3 generates a split flow, one pure water is directly guided to the pure water output end 12 through the pure water flow channel 4 and output, and the other pure water is guided by the pure water tributary 40 and then flows back to the pure water flow channel 4 to output the pure water to the pure water output end 12.
The filter element structure is provided with a purified water channel system, the purified water side of the filter part 3 is communicated with the purified water output end 12 to form a purified water flow channel 4, and a purified water tributary 40 is communicated between the purified water side of the filter part 3 and the purified water flow channel 4; when the water producing operation is performed, the pure water obtained from the pure water side of the filtering part 3 generates a split flow, one pure water is directly guided to the pure water output end 12 through the pure water flow channel 4 and output, and the other pure water is guided to the pure water flow channel 4 to output the pure water to the pure water output end 12 after the output path of the pure water tributary 40 is prolonged.
Example 1:
as shown in fig. 1, a filter element structure comprises a casing 1, a central tube 2 and a filter part 3 surrounding the central tube 2 are arranged in the casing 1, the filter part 3 is in a cylindrical structure, the pure water side of the filter part 3 is formed at the cylindrical inner side of the filter part, the cylindrical inner side of the filter part 3 is provided with a central tube 2 with a hole, the hole is a pure water hole 21, and the central tube 2 can be communicated with the filter part 3 through the pure water hole 21. The housing 1 is provided with a raw water input end 11, a pure water output end 12 and a waste water output end which are arranged on the same end side (upper side), the pure water output end 12 is arranged at one end of the central tube 2, and the pure water flow passage 4 is formed in the central tube 2. The other end of the central tube 2 is provided with a partition 24 to divide the central tube 2 into a first space 25 and a second space 26, the first space 25 and the second space 26 are respectively communicated with the pure water hole 21, the pure water flow passage 4 is formed in the first space 25, and the output path of the pure water tributary 40 passes through the second space 26.
Specifically, two ends of the central tube 2 extend out of the filtering part 3, the upper end of the central tube 2 is arranged corresponding to the pure water output end 12 and is communicated with the pure water output end 12, and the lower end of the central tube 2 is connected with the shell 1 to form a seal; a partition 24 is provided at a lower section position in the central tube 2 to divide the interior of the central tube 2 into a first space 25 and a second space 26. The partition 24 extends downward from the inner wall of the central tube 2, and when the central tube 2 is installed and fixed, the lower end of the central tube 2 is connected to the bottom of the housing 1, and the partition 24 extends to abut against the inner wall of the housing 1, so that the first space 25 and the second space 26 are isolated from each other in the central tube 2.
The central tube 2 is in a straight tube shape, and the whole flow channel guiding direction of the pure water flow channel 4 is arranged along the straight line direction. The first space 25 is disposed at the side of the partition 24 in the axial direction and the side of the partition 24 in the radial direction in the center pipe 2, and the second water passing holes 23 are communicated to the side of the partition 24 in the radial direction, and the first space 25 is integrally disposed along the longitudinal direction of the center pipe 2. The second space 26 is formed by closing the partition 24 against the side of the first water passing hole 22. During the water production process, the pure water tributary 40 forms a water flow in the second space 26 in the direction opposite to the flow path direction of the pure water flow path 4.
In the application of the embodiment, the flow channel guiding direction of the pure water flow channel 4 is arranged along the straight line direction; the pure water sub-stream 40 includes a first sub-stream 41 (i.e., the second space 26 where the partition 24 is enclosed by the first water holes 22 of the grill), which communicates with the pure water side of the filtering unit 3, and the direction of flow passage of the first sub-stream 41 is opposite to the direction of flow passage of the pure water flow passage 4; the pure water sub-stream 40 includes a second sub-stream 43 (i.e., a lower portion of the first space 25 formed by the partition 24 on the side away from the first water passing hole 22 and the inner wall of the lower portion of the center pipe 2), and the flow path guiding direction of the second sub-stream 43 is the same as the flow path guiding direction of the pure water flow path 4. The other pure water is guided by the first branch flow 41 and the second branch flow 43 in order and then flows back to the pure water flow channel 4 to be output to the pure water output end 12.
As a preferred embodiment, a reserve space 42 for reserving pure water is formed between the water outlet end of the first subsidiary stream 41 and the water inlet end of the second subsidiary stream 43; the other pure water is guided to the first branch flow 41, the reserve space 42, and the second branch flow 43 in this order, and then flows back to the pure water flow path 4 to be outputted to the pure water output end 12.
Specifically, the reserve space 42 includes a first gap space 5 formed between a side of the filtering portion 3 far from the pure water output end 12 and the housing 1, the other end of the central tube 2 extends out of the filtering portion 3, a first water passing hole 22 and a second water passing hole 23 are disposed in the first gap space 5, the first water passing hole 22 is communicated with the second space 26, the second water passing hole 23 is communicated with the first space 25, and another pure water tributary 40 for pure water diversion flow application is formed among the second space 26, the first water passing hole 22, the first gap space 5, the second water passing hole 23 and the first space 25.
In the water preparation process, an external water source is input from a raw water input end 11 of the shell 1, the raw water is filtered by the filtering part 3, the produced pure water is output from the inner side of the cylinder shape of the filtering part 3, and one path of pure water is guided along a pure water flow channel 4 and is led out towards a pure water output end 12 through a first space 25 in the central tube 2; the other pure water is guided by the pure water tributary 40, returned to the first space 25 through the second space 26, the first water passing hole 22, the first gap space 5 and the second water passing hole 23, and then merged with the pure water in the pure water flow channel 4 to be output towards the pure water output end 12.
Based on the arrangement of the first clearance space 5, the application of the partition piece 24 arranged in the central tube 2 of the scheme can lead part of pure water source to flow back to the pure water flow channel 4 for output after being guided and split by the pure water tributary 40 in the water production process of the filter element structure, prolongs the flow path of pure water, effectively balances the water pressure condition of the filter element structure in the pure water production process and promotes the water production efficiency.
Preferably, the ratio of the length of the segments of the partition 24 disposed in the central tube 2 to the extension length of the central tube 2 is 1:3 to 1:5. the pure water holes 21 for pure water to flow through on the central tube 2 are equally distributed along the central tube 2, and the number of the pure water holes 21 in the range of the partition 24 is smaller than the number of the pure water holes 21 outside the partition 24. Based on the uniformly distributed arrangement of the pure water holes 21, the central tube 2 can guide the pure water source input pressure of the pure water side to be more balanced; and based on the extension length of the separating member 24 being set in the range of 1/5 to 1/3 relative to the total length of the central tube 2, in the pure water making process, the first space 25 section with more pure water holes 21 can guide more pure water to be led out towards the pure water output end 12, the second space 26 with less pure water holes 21 defined by the separating member 24 with shorter range can guide less pure water to be split through the pure water tributary 40, a small amount of pure water splitting causes pure water to generate a certain pressure difference in the range of the second space 26, and negative pressure can effectively guide pure water generation of the filtering part 3, thereby promoting the production efficiency of pure water.
The reserve space 42 further includes a second gap space 6 formed between the outer peripheral side of the filtering portion 3 and the housing 1, the second gap space 6 communicating with the first gap space 5; and a pure water tributary 40 is formed among the second space 26, the first water passing hole 22, the first gap space 5, the second gap space 6, the second water passing hole 23 and the first space 25 which are communicated. By providing the second gap space 6, the flow path of pure water can be further lengthened and the capacity of the pure water storage space can be increased.
In this embodiment, the water flow rate of the pure water tributary 40 is smaller than that of the pure water flow channel 4, so as to meet the pressure difference and the flow requirement of the pure water source in the water production process.
In this embodiment, the end of the filtering portion 3 is provided with a water inlet side 31 and a concentrate side 32, which are located at the same end, the water inlet side 31 is disposed near the raw water input end 11, and the concentrate side 32 is disposed near the concentrate output end 13. The resulting concentrate flows out on the concentrate side 32, and is directed out through the concentrate output 13 to form a concentrate flow path.
The raw water input end 11 is communicated with the water inlet side 31, and the waste water output end is communicated with the concentrated water side 32; in this embodiment, an isolation layer 10 for blocking water flow is disposed between the water inlet side 31 and the concentrated water side 32, and the isolation layer 10 is designed to avoid water from forming in advance between the raw water and the wastewater.
The water inlet side 31 is arranged at one end of the filtering part 3 close to the raw water input end 11, one end of the water inlet side 31 is sleeved with a first connecting piece 7 to form a separation among the water inlet side 31, the concentrated water side 32 and the second clearance space 6, the first connecting piece 7 is provided with a plurality of first through holes 71, and raw water enters the water inlet side 31 through the guiding of the first through holes 71. The first connecting piece 7 is provided with a plurality of second ports 72, the concentrate side 32 is communicated with the second ports 72, and the concentrate is discharged from the concentrate side 32 and flows to the concentrate output end 13 through the second ports 72. In order to further ensure the tightness of the waterway, a sealing member 9 is provided between the housing 1 and the first connector 7.
The other end of the filtering part 3 far away from the raw water input end 11 is sleeved with a second connecting piece 8, the second connecting piece 8 and the end part of the filtering part 3 form watertight connection, and the first clearance space 5 is formed between the second connecting piece 8 and the shell 1; the second connecting member 8 is provided with a through hole 81, and the end of the center tube 2 is connected to the housing 1 through the first clearance space 5 by protruding through the through hole 81.
Example 2:
as shown in fig. 2, as a preferred embodiment: within said second interstitial space 6, a water barrier 63 is also provided.
Specifically, taking the outer peripheral side of the filter unit 3 as the water inlet side 31, and the upper end side of the filter unit 3 as the concentrate side 32, an application of the filter unit 3 is exemplified:
the concentrated water side 32 positioned at the upper end side is matched with the concentrated water output end 13 in a position, so that the produced concentrated water can be directly output through the concentrated water output end 13, and accumulation of the concentrated water in the filter element structure is avoided.
Providing the water blocking member 63 in a cylindrical shape around the outer periphery of the filtering part 3, forming a pure water chamber 61 between the water blocking member 63 and the housing 1, the pure water chamber 61 communicating with the first gap space 5; and a pure water tributary 40 is formed between the second space 26, the first water passing hole 22, the first gap space 5 which is communicated with the pure water cavity 61 and the second water passing hole 23 and the first space 25. The water separator 63 is disposed at an upper side of the water separator 63 near the pure water output end 12, a gap opening 631 is provided between the assembled water separator 63 and the filtering unit 3, a raw water chamber 62 is formed between the water separator 63 and an outer peripheral side of the filtering unit 3, and the raw water chamber 62 is communicated with the raw water input end 11.
Based on the form of the second interval space (pure water cavity 61) which is vertically arranged in a cylindrical shape, in the water making process, under the interaction of the water pressure and the self gravity of the water source, the pure water output to the first interval space 5 and the second interval space 6 through the pure water tributary 40 can generate flowing action more easily, so that the TDS dilution of the pure water side of the filtering part 3 can be effectively carried out when the first cup of aquatic water is produced.
And based on the cylindrical vertical arrangement form of the raw water cavity 62, raw water is input through the interval openings 631 in the water preparation process, the raw water is buffered in the raw water cavity 62, and the buffered raw water source can effectively promote the input application of the raw water to the filtering part 3 under the self gravity action, so that the water production efficiency of the filtering part 3 is promoted.
The outer peripheral side of the water-proof member 63 is outwardly expanded at the position of the interval opening 631 to form an outwardly expanded section 632, a water-proof groove 633 is arranged at the outer peripheral side of the outwardly expanded section 632, a sealing ring is arranged on the water-proof groove 633, and the water-proof member 63 is in sealing fit with the inner side of the shell 1 under the arrangement of the sealing ring; thereby the raw water cavity 62 forms a sealed separation arrangement in the pure water cavity 61.
The inner bottom of the water separator 63 contacts the bottom of the filter unit 3 to form a seal, and the bottom of the filter unit 3 is sealed off, at a position away from the pure water output port 12. And between the outside of the filtering part 3 and the arrangement positions of the first water passing holes 22 and the second water passing holes 23, a plurality of sealing grooves 27 are arranged on the periphery side of the central tube 2, sealing rings are arranged on the sealing grooves 27 in an attached mode, the water-proof pieces 63 are attached to the positions of the sealing grooves 27 of the central tube 2 in a matched mode, and under the arrangement of the sealing rings, the water-proof pieces 63 are matched with the central tube 2 in a sealed mode. Based on the arrangement of the upper sealing ring of the upper water isolation groove 633 and the upper sealing ring of the lower sealing groove 27, the water isolation member 63 can be stably assembled and arranged between the shell 1 and the central tube 2 structure under the friction force of the sealing rings, so as to form installation and positioning.
The foregoing is merely a preferred embodiment of the present utility model, and modifications of the embodiments described above can be made by those skilled in the art without departing from the implementation principles of the present utility model, and the corresponding modifications should also be considered as the protection scope of the present utility model.

Claims (8)

1. The filter element structure comprises a shell, wherein a raw water input end, a pure water output end and a concentrated water output end are arranged on the shell; set up water purification waterway system in the casing, its characterized in that: the water purification waterway system comprises a filtering part with a cylindrical structure, wherein the filtering part is arranged in the shell, the pure water side of the filtering part is formed at the cylindrical inner side of the filtering part, a central pipe with a hole is arranged at the cylindrical inner side of the filtering part, and one end of the central pipe is arranged corresponding to the pure water output end; the pure water side of the filtering part is communicated with the pure water output end to form a pure water flow passage in the central tube, and a pure water tributary is communicated between the pure water side of the filtering part and the pure water flow passage; when the water making operation is carried out, the pure water obtained from the pure water side of the filtering part generates a diversion condition, one path of pure water is directly guided to the pure water output end for output through the pure water flow channel, and the other path of pure water is guided by the pure water tributary and then flows back to the pure water flow channel for output to the pure water output end;
the other end of the central tube is provided with a partition member so as to divide the interior of the central tube into a first space and a second space, the pure water flow passage is formed in the first space, and the output path of the pure water tributary is arranged through the second space; a first clearance space is formed between one side of the filtering part far away from the pure water output end and the shell; one end of the central tube is communicated with the pure water output end, a first water passing hole and a second water passing hole are formed in the first clearance space at the other end of the central tube, the first water passing hole is communicated with the second space, and the second water passing hole is communicated with the first space; the output path of pure water tributary passes through the second space, the first water passing hole, the first clearance space, the second water passing hole and the first space in sequence.
2. The filter element structure according to claim 1, wherein a flow path guiding direction of the pure water flow path is arranged in a straight line direction; the pure water tributary includes a first tributary communicating with the pure water side of the filtering section, and a flow passage guiding direction of the first tributary is opposite to a flow passage guiding direction of the pure water flow passage.
3. The filter element structure according to claim 2, wherein the pure water sub-stream includes a second sub-stream having a flow passage guiding direction identical to a flow passage guiding direction of the pure water flow passage; the other pure water is led by the first branch flow and the second branch flow in sequence and then flows back to the pure water flow channel to be output to the pure water output end.
4. The filter element structure according to claim 3, wherein a reserve space for pure water reserve is formed between the water outlet end of the first branch flow and the water inlet end of the second branch flow; the other pure water is led to the first branch flow, the reserve space and the second branch flow in sequence and then flows back to the pure water flow channel to output the pure water to the pure water output end.
5. A filter element arrangement as claimed in any one of claims 1 to 4 wherein the flow rate of the subsidiary stream of purified water is less than the flow rate of the flow path of purified water.
6. The filter element structure according to claim 1, wherein a second clearance space is formed between an outer peripheral side of the filter portion and the housing, the second clearance space being in communication with the first clearance space.
7. The filter element structure according to claim 1, wherein a water blocking member is provided between an outer peripheral side of the filter portion and the housing, a pure water chamber is formed between the water blocking member and the housing, and the pure water chamber is communicated with the first gap space; the second space, the first water passing hole, the first clearance space which is communicated with the pure water cavity and the pure water branch flow is formed between the second water passing hole and the first space; a raw water cavity is formed between the water isolation piece and the outer peripheral side of the filtering part, the outer peripheral side of the filtering part is a water inlet side, and the raw water cavity is communicated with the raw water input end.
8. The filter element structure of claim 1, wherein the ratio of the length of the separator segments disposed within the center tube to the length of the center tube extension is in the range of 1:3 to 1:5.
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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1264626A1 (en) * 2001-06-07 2002-12-11 CHOI, Choong Hyun Variable pore micro filter having simple and compact structure capable of side stream filtration and cross flow filtration
JP2011200816A (en) * 2010-03-26 2011-10-13 Toray Ind Inc Faucet direct connection type water purifier
CN203244921U (en) * 2013-05-16 2013-10-23 佛山市麦克罗美的滤芯设备制造有限公司 RO (reverse osmosis) water purification filter
CN106925129A (en) * 2015-12-29 2017-07-07 株式会社皮克布朗 With the lateral flow type reverse osmosis membrane filt of one-piece type formation stream
CN209438389U (en) * 2018-08-06 2019-09-27 九阳股份有限公司 The reverse osmosis element kit of lateral flow type
CN110898670A (en) * 2019-12-06 2020-03-24 九牧厨卫股份有限公司 Filter equipment and filtration system
CN111056651A (en) * 2019-12-06 2020-04-24 广东韦博科技有限公司 Filter core structure capable of storing pure water and bubble membrane water purification system using same
WO2020212845A1 (en) * 2019-04-18 2020-10-22 3M Innovative Properties Company Filter element and filter having the filter element
WO2021190002A1 (en) * 2020-03-21 2021-09-30 佛山市顺德区美的饮水机制造有限公司 Reverse osmosis membrane element, filter element, and water purifier
CN216703628U (en) * 2021-12-14 2022-06-10 广东领尚净水科技有限公司 Filter element structure and water purification system using same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8671980B2 (en) * 2009-01-03 2014-03-18 General Ecology, Inc. Apparatus for filtering and/or conditioning and/or purifying a fluid such as water
KR20220102309A (en) * 2021-01-13 2022-07-20 엘지전자 주식회사 filter module for water dispensing apparatus

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1264626A1 (en) * 2001-06-07 2002-12-11 CHOI, Choong Hyun Variable pore micro filter having simple and compact structure capable of side stream filtration and cross flow filtration
JP2011200816A (en) * 2010-03-26 2011-10-13 Toray Ind Inc Faucet direct connection type water purifier
CN203244921U (en) * 2013-05-16 2013-10-23 佛山市麦克罗美的滤芯设备制造有限公司 RO (reverse osmosis) water purification filter
CN106925129A (en) * 2015-12-29 2017-07-07 株式会社皮克布朗 With the lateral flow type reverse osmosis membrane filt of one-piece type formation stream
CN209438389U (en) * 2018-08-06 2019-09-27 九阳股份有限公司 The reverse osmosis element kit of lateral flow type
WO2020212845A1 (en) * 2019-04-18 2020-10-22 3M Innovative Properties Company Filter element and filter having the filter element
CN110898670A (en) * 2019-12-06 2020-03-24 九牧厨卫股份有限公司 Filter equipment and filtration system
CN111056651A (en) * 2019-12-06 2020-04-24 广东韦博科技有限公司 Filter core structure capable of storing pure water and bubble membrane water purification system using same
WO2021190002A1 (en) * 2020-03-21 2021-09-30 佛山市顺德区美的饮水机制造有限公司 Reverse osmosis membrane element, filter element, and water purifier
CN216703628U (en) * 2021-12-14 2022-06-10 广东领尚净水科技有限公司 Filter element structure and water purification system using same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
集成设计在反渗透净水器研发中应用探讨;李文明;董振宇;;家电科技(第01期);全文 *

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