CN215161491U - Composite filter element structure - Google Patents
Composite filter element structure Download PDFInfo
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- CN215161491U CN215161491U CN202120158829.XU CN202120158829U CN215161491U CN 215161491 U CN215161491 U CN 215161491U CN 202120158829 U CN202120158829 U CN 202120158829U CN 215161491 U CN215161491 U CN 215161491U
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- filter element
- end cover
- reverse osmosis
- osmosis membrane
- composite
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Abstract
The utility model discloses a composite filter element structure, which belongs to the technical field of filter elements and comprises a barrel body, wherein the barrel body is provided with a detachable filter element head, the inside of the barrel body is provided with a composite filter element and a reverse osmosis membrane, the reverse osmosis membrane consists of a central rod and a membrane roll wound on the central rod, a water inlet flow passage is formed between the composite filter element and the barrel body, a purified water flow passage is formed in the middle of the reverse osmosis membrane, the inside of the barrel body is provided with a post-positioned filter element upper end cover and a post-positioned filter element lower end cover, the filter comprises a reverse osmosis membrane upper end cover, a composite filter element upper end cover, a cavity formed between a rear filter element upper end cover and a rear filter element lower end cover, a rear filter element arranged in the cavity, a concentrated water flow passage formed between the rear filter element lower end cover and the reverse osmosis membrane upper end cover, the concentrated water flow passage starting right above the reverse osmosis membrane, and a filter element head provided with a water inlet, a purified water outlet and a concentrated water outlet which are respectively communicated with the three flow passages. The utility model discloses overall structure is more simple compared in prior art, can reduce manufacturing cost.
Description
Technical Field
The utility model relates to a filter core technical field especially relates to a composite filter core structure.
Background
The filter element of the water purifier is used for cleaning polluted water to a state required by production and life, namely, the water reaches certain cleanliness.
Most filter elements in the prior art are complex in structure, and for example, a composite filter element of a water purifier disclosed in patent No. CN209759139U comprises a front filter element, an RO membrane filter element, a rear filter element, a switching sleeve, an inner core upper shell, an upper cover and a lower cover. Wherein, leading filter core, RO membrane filter core, rearmounted filter core are the tubular structure, and the rearmounted filter core is close and overlaps in the periphery of RO membrane filter core and the bottom of rearmounted filter core is provided with the lower cover. The switching cover is annular stairstepping structure, and the lower surface that switches over cover ladder step supports and leans on the top edge at RO membrane filter core, and the lower extreme of rearmounted filter core supports and leans on the upper surface that switches over cover ladder step. The lower extreme of switching cover and the inboard in close contact with of the upper end of leading filter core, the lower extreme of inner core epitheca and the outside in close contact with of the upper end of leading filter core. The utility model discloses a function is water route length and connection sealing position quantity in reducing the filter core, reduces the risk of leaking, and reduces the shared space of filter core in filter core water route, and the complete machine is exquisite more that can do small and exquisite. However, the structure is complicated and the cost is high.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a composite filter element structure to solve the technical problem that prior art exists.
The embodiment of the utility model provides an adopt following technical scheme: the filter comprises a barrel, wherein the barrel is provided with a detachable filter element head, a composite filter element and a reverse osmosis membrane are arranged in the barrel, the reverse osmosis membrane is composed of a central rod and a membrane roll wound on the central rod, a water inlet flow passage is formed between the composite filter element and the barrel, a purified water flow passage is formed in the middle of the reverse osmosis membrane, a rear filter element upper end cover, a rear filter element lower end cover, a reverse osmosis membrane upper end cover, a composite filter element upper end cover, a rear filter element lower end cover and a reverse osmosis membrane upper end cover are arranged in the barrel in a concentric mode, the top of the rear filter element upper end cover is inserted into the filter element head, the bottom of the rear filter element lower end cover is inserted into the central rod of the reverse osmosis membrane, the top of the rear filter element lower end cover is sleeved at the bottom of the rear filter element upper end cover and the rear filter element lower end cover to form a cavity, a rear filter element is arranged in the cavity, and the purified water flow passage passes through the rear filter element lower end cover, The rear filter element, the rear filter element upper end cover reaches the filter element head, the reverse osmosis membrane upper end cover is clamped between the filter element head and the rear filter element lower end cover, the reverse osmosis membrane upper end cover is sleeved on the reverse osmosis membrane to position the reverse osmosis membrane, the composite filter element upper end cover is sleeved on the reverse osmosis membrane upper end cover, the top of the composite filter element is clamped at the bottom of the composite filter element upper end cover and is positioned by the composite filter element upper end cover, a concentrated water flow passage is formed between the rear filter element lower end cover and the reverse osmosis membrane upper end cover, the concentrated water flow passage is started right above the reverse osmosis membrane, the filter element head is provided with a water inlet respectively communicated with the three flow passages, and a purified water outlet and a concentrated water outlet.
Furthermore, the filter element head and the cylinder body are connected by adopting screw connection, clamping connection or spin welding.
Furthermore, the top of the filter element head is provided with a positioning groove and a positioning bulge.
Furthermore, the outside of the filter element head is provided with two connecting parts.
Has the advantages that: the utility model discloses the water route principle is that the running water passes through composite filter core, reverse osmosis membrane, rearmounted filter core, and rearmounted filter core water is vertical to be passed through, and the filter core is fixed a position, is sealed, fixed through the end cover, and overall structure is more simple than prior art, can reduce manufacturing cost.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a perspective sectional view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
Reference numerals
The filter comprises a barrel body 1, a filter element head 2, a composite filter element 3, a reverse osmosis membrane 4, a water inlet flow passage 5, a purified water flow passage 6, a rear filter element 7, a rear filter element upper end cover 8, a rear filter element lower end cover 9, a reverse osmosis membrane upper end cover 10, a composite filter element upper end cover 11, a concentrated water flow passage 12, a water inlet 13, a purified water outlet 14, a concentrated water outlet 15, a positioning groove 16, a positioning bulge 17 and a connecting part 18.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1-3, an embodiment of the present invention provides a composite filter element structure, including a barrel 1, the barrel 1 is provided with a detachable filter element head 2, the barrel 1 is internally provided with a composite filter element 3 and a reverse osmosis membrane 4, the reverse osmosis membrane 4 is composed of a central rod and a membrane roll wound on the central rod, a water inlet channel 5 is formed between the composite filter element 3 and the barrel 1, a purified water channel 6 is formed in the middle of the reverse osmosis membrane 4, the barrel 1 is internally provided with a post-filter element upper end cover 8, a post-filter element lower end cover 9, a reverse osmosis membrane upper end cover 10, a post-filter element upper end cover 8, a post-filter element lower end cover 9 and a reverse osmosis membrane upper end cover 10, the composite filter element upper end cover 11 is concentrically arranged, the top of the post-filter element upper end cover 8 is inserted into the filter element head 2, the bottom of the post-filter element lower end cover 9 is inserted into the central rod of the reverse osmosis membrane 4, the top of the post-filter element lower end cover 9 is sleeved at the bottom of the post-filter element upper end cover 8, a cavity is formed between the rear filter element upper end cover 8 and the rear filter element lower end cover 9, a rear filter element 7 is arranged in the cavity, a purified water flow passage 6 passes through the rear filter element lower end cover 9, the rear filter element 7 and the rear filter element upper end cover 8 to reach the filter element head 2, the reverse osmosis membrane upper end cover 10 is clamped between the filter element head 2 and the rear filter element lower end cover 9, the reverse osmosis membrane upper end cover 10 is sleeved on the reverse osmosis membrane 4 to position the reverse osmosis membrane, the composite filter element upper end cover 11 is sleeved on the reverse osmosis membrane upper end cover 10, the top of the composite filter element 3 is clamped at the bottom of the composite filter element upper end cover 11 and is positioned by the composite filter element upper end cover, a concentrated water flow passage 12 is formed between the rear filter element lower end cover 9 and the reverse osmosis membrane upper end cover 10, the concentrated water flow passage 12 starts right above the reverse osmosis membrane 4, and the filter element head 2 is provided with a water inlet 13, a purified water outlet 14 and a concentrated water outlet 15 which are respectively communicated with the three flow passages.
Preferably, the filter element head 2 and the cylinder body 1 are connected by screw connection, clamping connection or spin welding.
Preferably, the cartridge head 2 has a positioning groove 16 and a positioning projection 17 on the top for connection with an external device.
Preferably, the outside of the cartridge head 2 has two connections 18 for connection to external equipment.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. Compound filter core structure, its characterized in that: comprises a cylinder body (1), the cylinder body (1) is provided with a detachable filter element head (2), a composite filter element (3) and a reverse osmosis membrane (4) are arranged in the cylinder body (1), the reverse osmosis membrane (4) is composed of a central rod and a membrane roll wound on the central rod, a water inlet flow channel (5) is formed between the composite filter element (3) and the cylinder body (1), a purified water flow channel (6) is formed in the middle of the reverse osmosis membrane (4), a rear filter element upper end cover (8), a rear filter element lower end cover (9), a reverse osmosis membrane upper end cover (10) and a composite filter element upper end cover (11) are arranged in the cylinder body (1) concentrically, the top of the rear filter element upper end cover (8) is inserted in the filter element head (2), the bottom of the rear filter element lower end cover (9) is inserted in the central rod of the reverse osmosis membrane (4), the top of a lower end cover (9) of the rear filter element is sleeved at the bottom of an upper end cover (8) of the rear filter element, a cavity is formed between the upper end cover (8) of the rear filter element and the lower end cover (9) of the rear filter element, the rear filter element (7) is arranged in the cavity, a purified water flow passage (6) reaches a filter element head (2) through the lower end cover (9) of the rear filter element, the rear filter element (7) and an upper end cover (8) of the rear filter element, an upper end cover (10) of the reverse osmosis membrane is clamped between the filter element head (2) and the lower end cover (9) of the rear filter element, the upper end cover (10) of the reverse osmosis membrane is sleeved on a reverse osmosis membrane (4) to position the upper end cover (10) of the reverse osmosis membrane, the top of the composite filter element (3) is clamped at the bottom of the upper end cover (11) of the composite filter element and is positioned by the upper end cover (10) of the composite filter element, a concentrated water flow passage (12) is formed between the lower end cover (9) of the rear filter element and the upper end cover (10) of the reverse osmosis membrane, the concentrated water channel (12) starts right above the reverse osmosis membrane (4), and the filter element head (2) is provided with a water inlet (13), a purified water outlet (14) and a concentrated water outlet (15) which are respectively communicated with the three channels.
2. A composite filter element arrangement according to claim 1, wherein: the filter element head (2) is connected with the cylinder body (1) by adopting screw connection, clamping connection or spin welding.
3. A composite filter element arrangement according to claim 1, wherein: the top of the filter element head (2) is provided with a positioning groove (16) and a positioning bulge (17).
4. A composite filter element arrangement according to claim 1, wherein: the outside of the filter element head (2) is provided with two connecting parts (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120158829.XU CN215161491U (en) | 2021-01-20 | 2021-01-20 | Composite filter element structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120158829.XU CN215161491U (en) | 2021-01-20 | 2021-01-20 | Composite filter element structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215161491U true CN215161491U (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120158829.XU Active CN215161491U (en) | 2021-01-20 | 2021-01-20 | Composite filter element structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215161491U (en) |
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2021
- 2021-01-20 CN CN202120158829.XU patent/CN215161491U/en active Active
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