CN218320923U - Sectional combined reverse osmosis membrane filter element and water purifying device - Google Patents
Sectional combined reverse osmosis membrane filter element and water purifying device Download PDFInfo
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- CN218320923U CN218320923U CN202222482500.6U CN202222482500U CN218320923U CN 218320923 U CN218320923 U CN 218320923U CN 202222482500 U CN202222482500 U CN 202222482500U CN 218320923 U CN218320923 U CN 218320923U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 161
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 74
- 239000012528 membrane Substances 0.000 title claims abstract description 73
- 238000000746 purification Methods 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000004907 flux Effects 0.000 abstract description 6
- 230000011218 segmentation Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of water purification unit, a reverse osmosis membrane filter core and purifier of segmentation combination formula is disclosed, including the sub-filter core more than 2, the sub-filter core bottleneck of lower level cartridge forms a whole at the bottom of the bottle of the sub-filter core of upper level in proper order, is located the airtight setting in the bottom of the sub-filter core bottle of bottom, all is equipped with reverse osmosis membrane subassembly in the sub-filter core, inside water inlet flow path, first water outlet flow path and the second water outlet flow path of being equipped with of sub-filter core, its water inlet flow path communicates each other between two adjacent sub-filter cores, first water outlet flow path communicates each other, the second water outlet flow path communicates each other, the inside water inlet flow path and the first water outlet flow path of the sub-filter core that are located the bottom communicate each other. The utility model provides a reverse osmosis membrane filter core of segmentation combination formula forms a whole with a plurality of sub-filter core concatenations, not only can reduce the volume of filter core, and the later stage is used also very in a flexible way moreover, and every sub-filter core can both carry out independent dismantlement and concatenation, can carry out the concatenation of sub-filter core number at will according to the demand of user to reverse osmosis membrane filter core flux.
Description
Technical Field
The invention belongs to the technical field of water purification, and particularly relates to a sectional combined reverse osmosis membrane filter element and a water purification device.
Background
Along with the gradual importance of people on the safety of drinking water, a household water dispenser and a water purifier gradually become necessary household appliances for household drinking water, a commonly used filter element in the household water purifier is a reverse osmosis membrane filter element, the reverse osmosis membrane filter element in the current market is a filter cylinder, an integral reverse osmosis membrane component is usually arranged in the filter cylinder, the size of the reverse osmosis membrane component directly determines the water outlet flow of the pure water, and in order to obtain the pure water with larger flow, a plurality of reverse osmosis membrane filter elements are usually connected in series in the water inlet device side by side according to needs, but the volume of the water purifier is greatly increased by the arrangement, and the external water path structure of the water purifier is complex; or only one reverse osmosis membrane filter element is arranged in the water purifier, but the reverse osmosis membrane component is enlarged, so that the occupied volume can be saved, but the reverse osmosis membrane filter element is not flexible when the reverse osmosis membrane filter element is arranged and applied, and the reverse osmosis filter element cannot be detached because the filter element is a whole, and cannot be directly enlarged when the flux of the reverse osmosis membrane filter element is adjusted in the later stage.
In summary, the prior art has the following technical problems and disadvantages:
the existing reverse osmosis membrane filter elements occupy a large internal volume of the water purifier when being connected in series side by side and matched to adjust the pure water flux, and when the single reverse osmosis membrane filter element is used for adjusting the size of the internal reverse osmosis membrane assembly to adjust the pure water flux, the volume can be saved, but the application is not flexible enough, and the flux adjustment can not be carried out on the basis of the filter element at any time according to the requirement in the later stage.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a sectional combined reverse osmosis membrane filter element, which is characterized in that the reverse osmosis membrane filter element comprises more than 2 sub-filter elements, the bottle mouth of the lower sub-filter element is sequentially inserted into the bottle bottom of the upper sub-filter element to form a whole, the internal water paths are mutually communicated, and the bottle bottom of the lower sub-filter element is arranged in a sealing way;
reverse osmosis membrane components are arranged in the sub filter elements;
the water inlet flow paths, the first water outlet flow paths and the second water outlet flow paths are arranged in the sub-filter elements, the water inlet flow paths of the two adjacent sub-filter elements are communicated with each other, the first water outlet flow paths are communicated with each other, and the second water outlet flow paths are communicated with each other;
and the water inlet flow path and the first water outlet flow path inside the sub-filter element positioned at the bottom end are communicated with each other.
Furthermore, a water inlet, a first water outlet and a second water outlet are arranged at the bottle mouth of the sub-filter element, and a water inlet flow path of the sub-filter element is respectively communicated with the water inlet of the sub-filter element and the water inlet of the sub-filter element adjacent to the water inlet of the sub-filter element;
the first water outlet flow path of the sub-filter element is respectively communicated with a first water outlet of the sub-filter element and a first water outlet of a lower sub-filter element adjacent to the first water outlet;
and the second water outlet flow paths of the sub-filter elements are respectively communicated with the second water outlets of the sub-filter elements and the pure outlets of the lower sub-filter elements adjacent to the sub-filter elements.
Further, the sub-filter element comprises an outer barrel, a protruding bottle opening is formed in the upper end of the outer barrel, a clamping boss is arranged on the outer wall of the outer opening, a stepped hole is formed in the bottom of the outer barrel, and a clamping structure is arranged in the outer hole of the stepped hole.
Further, the sub-filter element further comprises a diversion tower, the diversion tower is installed inside a bottle mouth of the outer barrel and provided with an outer diversion wall and an inner diversion wall, the water inlet is formed between the bottle mouth of the outer barrel and the outer diversion wall, a first water outlet is formed between the outer diversion wall and the inner diversion wall, and a second water outlet is formed inside the inner diversion wall.
Furthermore, the sub-filter element also comprises a reverse osmosis membrane assembly, a central tube is arranged in the center of the reverse osmosis membrane assembly, an upper end cover and a lower end cover are arranged at the upper end and the lower end of the reverse osmosis membrane, the central tube is in sealed butt joint with the inner layer flow guide wall, the upper end cover is in sealed butt joint with the outer layer flow guide wall, and the lower ends of the lower end cover and the central tube extend into a stepped hole at the bottom of the outer cylinder.
Furthermore, the water inlet flow path is formed between the reverse osmosis membrane module and the first outer cylinder, the first water outlet flow path is formed inside the reverse osmosis membrane module, and the second water outlet flow path is formed inside the central pipe.
Furthermore, the joint structure includes two sliders that the symmetry set up to two sliders can carry out the flexible slip of elasticity to the direction of keeping away from or being close to filter core central axis.
Furthermore, be located the bottom sub-filter core is equipped with the blanking cover, the blanking cover outer wall is equipped with the joint boss, the blanking cover clamps in the shoulder hole of urceolus one.
Preferably, the secondary filter element positioned at the bottom end is provided with a second outer cylinder, a bottle mouth of the second outer cylinder is provided with a clamping boss, and the bottle bottom of the second outer cylinder is closed.
Another object of the present invention is to provide a water purifying device, wherein the water purifying device is provided with the sectional reverse osmosis membrane filter element.
Combine foretell all technical scheme, the utility model discloses the advantage and the positive effect that possess do:
(1) The utility model provides a reverse osmosis membrane filter core of segmentation combination formula, a plurality of general sub-filter cores are become with the reverse osmosis membrane filter core split in the water purifier, and the progression that can freely select the sub-filter core carries out first meeting in proper order, form a holistic reverse osmosis membrane filter core, not only can reduce the volume that occupies of filter core at the water purifier, the later stage is used also very in a flexible way moreover, every sub-filter core can both carry out independent dismantlement and concatenation, can carry out the concatenation of sub-filter core number at will according to the user to the demand of reverse osmosis membrane filter core flux.
(2) The utility model provides a reverse osmosis membrane filter core of segmentation combination formula and water inlet, first delivery port and the second delivery port of outside intercommunication all are located the bottleneck that the filter core was concatenated on the top, so set up, make this filter core simple structure and convenient more when butt joint with the inside water route of water purifier, greatly improved the suitability of whole filter core and water purifier, it is also more convenient when the user changes the filter core simultaneously.
(3) The utility model provides a first play water flow path communicates in proper order between the sub-filter core to reverse osmosis membrane module establishes ties filterable water route structure in proper order in forming each sub-filter core, the waste water that subordinate's reverse osmosis membrane filtered the production promptly filters once more through higher level reverse osmosis membrane module, can greatly improve the rate of recovery of raw water, the water economy resource.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a structural section view of a sectional reverse osmosis membrane filter element provided by the embodiment of the invention;
fig. 2 is an exploded view of a sectional reverse osmosis membrane cartridge according to an embodiment of the present invention;
fig. 3 is a structural section view of a sub-filter element provided by the embodiment of the invention;
fig. 4 is a structural section view of a filter element located at a bottom terminal provided in the second embodiment of the present invention;
fig. 5 is a structural section view of the outer cylinder of the sub-filter element provided by the embodiment of the invention;
fig. 6 is a cross-sectional view of a structure of a plug provided by an embodiment of the present invention.
In the figure: 100. a sub-filter element; 200. a reverse osmosis membrane module; 300. a clamping structure; 1. an outer cylinder; 2. a diversion tower; 3. a central tube; 4. an upper end cover; 5. a lower end cover; 6. a reverse osmosis membrane filter material; 7. sealing the adhesive tape; 8. a slider; 9. a drive block; 10. a compression cover; 11. a spring; 12. blocking the cover; 101. clamping the boss; 102. a stepped hole; 103. a key hole; 21. an outer flow guide wall; 22. an inner layer flow guide wall; 81. an inclined guide hole; 91. an inclined guide post; 92. pressing a key; 121. sealing the column; l1, a water inlet flow path; l2, a first effluent flow path; l3, a second water outlet flow path; k1, a water inlet; k2, a first water outlet; k3, a second water outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, the utility model provides a sectional combined reverse osmosis membrane filter core, which is characterized in that, the filter core comprises more than 2 sub-filter elements 100, the bottle mouth of the lower sub-filter element 100 is sequentially inserted at the bottle bottom of the upper sub-filter element 100 to form a whole and the internal water paths are communicated with each other, the bottle bottom of the lower sub-filter element 100 is arranged in a sealed manner, the sub-filter element 100 is internally provided with a water inlet flow path L1, a first water outlet flow path L2 and a second water outlet flow path L3, the water inlet flow path L1 and the first water outlet flow path L2 of the adjacent two sub-filter elements 100 are communicated with each other, the water inlet flow path L1, the first water outlet flow path L2 and the second water outlet flow path L3 of any sub-filter element 100 at the upper part of the lower sub-filter element 100 are not communicated with each other after all the sub-filter elements 100 are inserted into a whole; the water inlet K1, the first water outlet K2 and the second water outlet K3 are arranged at the bottle mouth of the sub-filter element 100, the water inlet flow path L1 of the sub-filter element 100 is respectively communicated with the water inlet K1 of the sub-filter element 100 and the water inlet K1 of the sub-filter element 100 adjacent to the sub-filter element, the first water outlet flow path L2 of the sub-filter element 100 is respectively communicated with the first water outlet K2 of the sub-filter element and the first water outlet K2 of the sub-filter element 100 adjacent to the sub-filter element, and the second water outlet flow path L3 of the sub-filter element 100 is respectively communicated with the second water outlet K3 of the sub-filter element and the pure outlet of the sub-filter element 100 adjacent to the sub-filter element.
As shown in fig. 3 and 5, the sub-filter element 100 comprises an outer cylinder 1, a diversion tower 2 and a reverse osmosis membrane module 200, wherein a raised bottle mouth is arranged at the upper end of the outer cylinder 1, a clamping boss 101 is arranged on the outer wall of the outer mouth, a stepped hole 102 is arranged at the bottom of the outer cylinder 1, a clamping structure 300 is arranged in the outer hole of the stepped hole 102, and the clamping structure 300 can realize the insertion and fixation of the filter elements through the clamping of the clamping boss 101; the diversion tower 2 is arranged inside the bottle mouth of the outer barrel 1, the diversion tower 2 is provided with an outer diversion wall 21 and an inner diversion wall 22, the water inlet K1 is formed between the bottle mouth of the outer barrel 1 and the outer diversion wall 21, a first water outlet K2 is formed between the outer diversion wall and the inner diversion wall 22, and a second water outlet K3 is formed inside the inner diversion wall 22; a central tube 3 is arranged in the center of the reverse osmosis membrane component 200, a reverse osmosis membrane filter material 6 is wound on the periphery of the central tube 3, a sealing adhesive tape 7 wraps the outermost layer of the reverse osmosis membrane filter material 6, an upper end cover 4 and a lower end cover 5 are hermetically covered on the peripheral walls of the upper end and the lower end of the reverse osmosis membrane, a water gap is reserved between the inner end surface of the upper end cover 4 and the upper end surface of the reverse osmosis membrane, a water gap is reserved between the inner end surface of the lower end cover 5 and the lower end surface of the reverse osmosis membrane, through water holes are formed in the centers of the upper end cover 4 and the lower end cover 5, finally, the central tube 3 is hermetically butted with an inner guide wall 22, the upper end cover 4 is hermetically butted with an outer guide wall 21, and the lower ends of the lower end cover 5 and the central tube 3 extend into a stepped hole 102 at the bottom of the outer barrel 1; in this way, the water inlet flow path L1 is formed between the reverse osmosis membrane module 200 and the outer cylinder 1, the first water outlet flow path L2 is formed inside the reverse osmosis membrane module 200, and the second water outlet flow path L3 is formed inside the center tube 3.
The clamping structure 300 comprises two slide blocks 8 which are symmetrically arranged, a driving block and a pressing cover 10 which are arranged in an outer hole of a stepped hole 102 of the outer barrel 1, a key 92 hole 103 is formed in the outer wall of the stepped hole 102 of the sub-filter element 100, a key 92 is arranged on the side edge of the driving block 9, an inclined guide post 91 is arranged on the bottom surface of the driving block 9, the driving block 9 is arranged on the inner end surface of the outer hole of the stepped hole 102, the key 92 extends to the outer wall of the sub-filter element 100 through the key 92 hole 103, a spring 11 hole is formed in the side wall of the slide block 8, an inclined guide hole 81 is formed in the front surface of the slide block, the two slide blocks 8 are arranged in the pressing cover 10 in a horizontal symmetrical mode, the spring 11 arranged in the spring 11 hole is pressed on the inner wall of the pressing cover 10, the pressing cover 10 provided with the slide blocks 8 is integrally pressed on the driving block 9, the inclined guide post 91 of the driving block 9 is inserted into the inclined guide hole 81 of the slide block 8, the pressing cover 10 is fixedly butted with the bottom of the outer barrel 1, the driving block 9 horizontally moves under the pressure of the key 92, the inclined guide post 91, the clamping block moves towards the direction far away from the axis, and the slide block 8 is reset is completed under the action of the spring 11.
Because the bottom of the sub-filter element 100 at the bottom end needs to be sealed and arranged at the bottom of the bottle, two embodiments are listed below:
the first implementation mode comprises the following steps:
as shown in fig. 1 and 6, the sub-filter element 100 at the bottom end is provided with a blocking cover 12, the outer wall of the blocking cover 12 is provided with a clamping boss 101, the clamping boss 101 of the blocking cover 12 is clamped in a stepped hole 102 through a slide block 8 in the stepped hole 102 of the outer barrel 1, a sealing column 121 is coaxially arranged inside the blocking cover 12, the outer wall of the blocking cover 12 and the inner wall of the inner hole of the stepped hole 102 form sealing, and the outer wall of the sealing column 121 and the inner wall of the central tube 3 form sealing, so that the sealing of the bottom end of the sub-filter element 100 is realized; meanwhile, the water through hole at the lower extending end of the reverse osmosis membrane lower end cover 5 is not blocked, and a gap is reserved between the outer wall of the lower part of the lower end cover 5 and the inner wall of the blocking cover 12, so that the water inlet flow path L1 and the first water outlet flow path L2 in the sub-filter element 100 at the bottom end can be communicated with each other;
all parts of this kind of embodiment all share, increase a blanking cover 12 at the sub-filter core 100 that is located the bottom and just can realize the airtight of the sub-filter core 100 bottle bottom of bottom and seal, be favorable to improving the convenience of later stage production and use more.
The second embodiment:
as shown in fig. 4, to finally realize the sealing of the bottom sub-filter element 100, the bottom sub-filter element 100 may also be directly and independently made into an outer cylinder 1 to be made into a sealed cylinder bottom, that is, the bottle bottom of the outer cylinder 1 of the bottom sub-filter element 100 is sealed and arranged, and meanwhile, the lower end of the central tube 3 of the bottom terminal filter element 100 is also sealed and arranged independently, while the water through hole of the lower extending end of the lower end cap 5 of the reverse osmosis membrane module 200 is still not blocked, as long as the water inlet flow path L1 and the first water outlet flow path L2 in the bottom sub-filter element 100 can be communicated with each other; with such an arrangement, the bottom terminal filter cartridge 100 does not need to be provided with the clamping structure 300 and the plug 12, and thus, a part of components can be saved.
The following describes in detail the assembling, disassembling and filtering process of the sectional combined reverse osmosis membrane filter element provided in the embodiments of the present application:
when carrying out the cartridge between the sub-filter core 100, the joint boss 101 of the bottleneck of the sub-filter core 100 of subordinate is by the slider 8 chucking of the joint structure 300 of higher level's filter core, realizes that the joint between the filter core is connected, makes all series connection filter core and bottom filter core become a whole, is formed with after cartridge each other between the sub-filter core 100 simultaneously: a seal is formed between the outer wall of the bottle mouth of the outer cylinder 1 of the lower-stage sub-filter element 100 and the inner wall of the inner hole of the stepped hole 102 at the lower end of the outer cylinder 1 of the upper-stage sub-filter element 100, the upper end of the outer flow guide wall 21 of the lower-stage sub-filter element 100 is hermetically connected with the lower end of the lower end cover 5 of the upper-stage sub-filter element 100, the upper end of the inner flow guide wall 22 of the lower-stage sub-filter element 100 is hermetically connected with the central tube 3 of the reverse osmosis membrane module 200, so that the water inlet flow path L1 of the sub-filter element 100 is respectively communicated with the water inlet K1 of the sub-filter element and the water inlet K1 of the lower-stage sub-filter element 100 adjacent to the sub-filter element, the first water outlet flow path L2 of the sub-filter element 100 is respectively communicated with the first water outlet K2 of the sub-filter element and the first water outlet K2 of the lower-filter element 100 adjacent to the sub-filter element, the second water outlet flow path L3 of the sub-filter element 100 is respectively communicated with the second water outlet K3 of the sub-filter element and the second water outlet K3 of the lower-filter element 100 adjacent to the lower-filter element 100, so as to achieve the series connection of the water inlet flow paths L1 of all the sub-filter elements 100, the series connection of the first water outlet flow path L2 and the series connection of the second water outlet flow path L3 finally realize that raw water flows in from the water inlet K1 of the top-most sub-filter element 100 and flows into the bottom-end sub-filter element 100 through the water inlet flow path L1 which is independently connected in series, because the water inlet flow path L1 of the bottom-end sub-filter element 100 is communicated with the first water outlet flow path L2, the raw water enters the wastewater flow path of the bottom-end sub-filter element 100 and is filtered by the reverse osmosis membrane assembly 200, then the wastewater flows out from the first water outlet K2 of the bottom-end sub-filter element 100 and flows into the first water outlet flow path L2 of the upper-stage sub-filter element 100 and is filtered by the reverse osmosis membrane assembly 200 of the upper-stage sub-filter element 100 step by step, and finally the wastewater flows out from the first water outlet K2 of the top-most sub-filter element 100, so that the raw water is filtered by the reverse osmosis membrane assembly 200 in each stage of the sub-filter element 100 for multiple times, thereby greatly improving the recovery rate of the raw water; meanwhile, the pure water filtered by each sub-filter element 100 is collected into the central tube 3 and finally flows out from the second water outlet K3 of the topmost sub-filter element 100;
when carrying out the dismantlement between the filter core, press and be about to dismantle button 92 that the filter core corresponds, drive block 9 carries out horizontal migration under button 92 pressure effect, and drive joint piece through oblique guide pillar 91 removes to the direction of keeping away from the axis, so slider 8 just breaks away from the card shelves effect to joint boss 101, and direct with the filter core that corresponds extract can, so just realized the dismantlement between the arbitrary sub-filter core.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "upper", "lower", "leading", "trailing", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (10)
1. The sectional combined reverse osmosis membrane filter element is characterized by comprising more than 2 sub-filter elements, wherein the bottle openings of the sub-filter elements at the lower stage are sequentially inserted into the bottle bottoms of the sub-filter elements at the upper stage to form a whole, internal water paths are mutually communicated, and the bottle bottoms of the sub-filter elements at the bottom end are arranged in a closed manner;
reverse osmosis membrane components are arranged in the sub filter elements;
the water inlet flow paths, the first water outlet flow paths and the second water outlet flow paths are arranged in the sub-filter elements, the water inlet flow paths of the two adjacent sub-filter elements are communicated with each other, the first water outlet flow paths are communicated with each other, and the second water outlet flow paths are communicated with each other;
and the water inlet flow path and the first water outlet flow path inside the sub-filter element positioned at the bottom end are communicated with each other.
2. The sectional combined type reverse osmosis membrane filter element as claimed in claim 1, wherein a water inlet, a first water outlet and a second water outlet are arranged at the bottle mouth of the sub-filter element, and the water inlet flow path of the sub-filter element is respectively communicated with the water inlet of the sub-filter element and the water inlet of the sub-filter element adjacent to the sub-filter element;
the first water outlet flow path of the sub-filter element is respectively communicated with a first water outlet of the sub-filter element and a first water outlet of a lower sub-filter element adjacent to the first water outlet;
and the second water outlet flow paths of the sub-filter elements are respectively communicated with the second water outlets of the sub-filter elements and the pure outlets of the lower sub-filter elements adjacent to the sub-filter elements.
3. The reverse osmosis membrane filter element of claim 2, wherein the sub-filter element comprises an outer cylinder, a raised bottle opening is formed in the upper end of the outer cylinder, and a clamping boss is formed in the outer wall of the outer opening.
4. The reverse osmosis membrane filter element of claim 3, wherein the outer barrel is provided with a stepped hole at the bottom, and a clamping structure is arranged in the outer hole of the stepped hole.
5. The reverse osmosis membrane filter element of claim 4, wherein the sub-filter element further comprises a diversion tower, the diversion tower is mounted inside a mouth of the outer cylinder, the diversion tower is provided with an outer diversion wall and an inner diversion wall, the water inlet is formed between the mouth of the outer cylinder and the outer diversion wall, the first water outlet is formed between the outer flow wall and the inner diversion wall, and the second water outlet is formed inside the inner diversion wall.
6. The filter element of claim 5, wherein the sub-filter elements further comprise a reverse osmosis membrane assembly, a central tube is arranged in the center of the reverse osmosis membrane assembly, an upper end cover and a lower end cover are arranged at the upper end and the lower end of the reverse osmosis membrane, the central tube is in sealed butt joint with the inner guide wall, the upper end cover is in sealed butt joint with the outer guide wall, and the lower ends of the lower end cover and the central tube extend into a stepped hole at the bottom of the outer cylinder;
the water inlet flow path is formed between the reverse osmosis membrane module and the first outer cylinder, the first water outlet flow path is formed inside the reverse osmosis membrane module, and the second water outlet flow path is formed inside the central tube.
7. The reverse osmosis membrane filter element of claim 4, wherein the clamping structure comprises two sliding blocks which are symmetrically arranged, and the two sliding blocks can elastically and telescopically slide in a direction away from or close to the central axis of the filter element.
8. The reverse osmosis membrane filter element of claim 4, wherein the sub-filter element at the bottom end is provided with a blocking cover, the outer wall of the blocking cover is provided with a clamping boss, and the blocking cover is clamped in the stepped hole of the first outer cylinder.
9. The reverse osmosis membrane cartridge of claim 3, wherein the bottom of the outer cylinder of the bottom end sub-cartridge is hermetically sealed.
10. A water purification device, characterized in that the water purification device is provided with the sectional combined reverse osmosis membrane filter element of any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482500.6U CN218320923U (en) | 2022-09-20 | 2022-09-20 | Sectional combined reverse osmosis membrane filter element and water purifying device |
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| CN202222482500.6U CN218320923U (en) | 2022-09-20 | 2022-09-20 | Sectional combined reverse osmosis membrane filter element and water purifying device |
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| CN218320923U true CN218320923U (en) | 2023-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117945508A (en) * | 2024-03-08 | 2024-04-30 | 北京馨泰环境科技有限公司 | A reverse osmosis membrane filtration device used in industrial pure water production system |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117945508A (en) * | 2024-03-08 | 2024-04-30 | 北京馨泰环境科技有限公司 | A reverse osmosis membrane filtration device used in industrial pure water production system |
| CN117945508B (en) * | 2024-03-08 | 2025-10-17 | 北京馨泰环境科技有限公司 | Reverse osmosis membrane filtering device for industrial pure water production system |
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