CN222434188U - Composite filter element and water purifier using the composite filter element - Google Patents
Composite filter element and water purifier using the composite filter element Download PDFInfo
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- CN222434188U CN222434188U CN202420943011.2U CN202420943011U CN222434188U CN 222434188 U CN222434188 U CN 222434188U CN 202420943011 U CN202420943011 U CN 202420943011U CN 222434188 U CN222434188 U CN 222434188U
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Abstract
The utility model relates to a composite filter element and a water purifier using the same, wherein the composite filter element comprises a shell, a front filter element, a fine filter element, a booster pump and a spacer, wherein the shell is hollow, a first water inlet is formed in the shell, the front filter element is arranged in the shell, a water inlet end of the front filter element is in fluid communication with the first water inlet, the fine filter element is arranged in the shell and positioned at the downstream of the front filter element, the booster pump is arranged between a water outlet end of the front filter element and a water inlet end of the fine filter element, the spacer is used for enabling the front filter element and the fine filter element to be arranged at intervals, a water outlet and a second water inlet are formed in the shell, the first water outlet is in fluid communication with a water outlet end of the front filter element, the second water inlet is in fluid communication with a water inlet end of the fine filter element, the water outlet and the second water inlet are in fluid communication through a pipeline, and the booster pump is arranged on the pipeline. The composite filter element has the advantages that the composite filter element is convenient for the installation of the booster pump and has small volume.
Description
Technical Field
The utility model relates to the technical field of water purifiers, in particular to a composite filter element and a water purifier with the composite filter element.
Background
Most of the prior art water purifiers are provided with a front filter element, a reverse osmosis filter element and a rear filter element, and in order to boost the pressure of water so as to ensure that the water passes through the reverse osmosis filter element, a booster pump is arranged between the front filter element and the reverse osmosis filter element, for example, the Chinese patent utility model with the patent number ZL 202320346540.X (grant publication number CN 219620898U) discloses a water purifier with a novel control system, and the water purifier comprises a controller, and the front filter element, the booster pump, the reverse osmosis filter element and the rear filter element which are sequentially connected.
The water purifier is formed by connecting commonly used single-stage filter elements in series, so that the water purifier is large in size, in order to reduce the size of the water purifier, a composite filter element appears in the prior art, for example, a composite filter element for a water purifier is disclosed in Chinese patent No. ZL 202321945356.3 (issued to the public No. CN 220676979U), the composite filter element for the water purifier comprises a filter element cylinder, the filter element cylinder comprises a filter element body and a filter element upper cover fixedly connected with the filter element body, a first filter layer and a slow flow part communicated with the first filter layer are arranged in the filter element body, the filter element upper cover is provided with a second filter layer, and the first filter layer is communicated with the second filter layer. Although the composite filter element can reduce the volume of the water purifier by concentrating the first filter layer and the second filter layer in the same filter element barrel, the installation mode of the composite filter element is difficult to realize the installation of the booster pump between the preposed filter element and the reverse osmosis filter element. Further improvements to the prior art are needed for this purpose.
Disclosure of utility model
The first technical problem to be solved by the utility model is to provide a composite filter element which is small in size and convenient for installing a booster pump aiming at the prior art.
The second technical problem to be solved by the utility model is to provide a water purifier with the composite filter element aiming at the prior art.
The utility model solves the first technical problem by adopting a technical scheme that the composite filter element comprises:
The shell is hollow, and a first water inlet is formed in the shell;
the front filter element is arranged in the shell, and the water inlet end of the front filter element is in fluid communication with the first water inlet;
a fine filter element disposed within the housing and along a fluid flow path, the fine filter element being downstream of the pre-filter element;
The booster pump is arranged between the water outlet end of the front filter element and the water inlet end of the fine filter element;
The filter is characterized in that a spacer for enabling the pre-filter element and the fine filter element to be arranged at intervals is further arranged in the shell, a water outlet and a second water inlet are formed in the shell, the water outlet is in fluid communication with the water outlet end of the pre-filter element, the second water inlet is in fluid communication with the water inlet end of the fine filter element, the water outlet is in fluid communication with the second water inlet through a pipeline, and the booster pump is arranged on the pipeline.
In order to make the effect of water treatment better, along the fluid flow path, the inside of casing still is equipped with and is located the rearmounted filter core of meticulous filter core low reaches, still set up on the casing with the water purification export of the play water end fluid communication of rearmounted filter core.
In order to facilitate the installation of the waterway, the first water inlet, the water outlet, the second water inlet and the purified water outlet are all arranged at the first end part of the shell, and the second end part of the shell is a closed end.
Preferably, the first water inlet, the purified water outlet, the second water inlet and the water outlet are arranged side by side in sequence along the first end of the shell.
In order to improve the space utilization, the volume of the composite filter element is smaller, the rear filter element is arranged in the fine filter element, and the fine filter element is arranged in the front filter element.
Preferably, the post filter element, the fine filter element and the pre filter element are all tubular, and the axes of the post filter element, the fine filter element and the pre filter element are parallel or coincident.
Preferably, the spacer is tubular, and is disposed between the pre-filter element and the fine filter element, and water channels are formed between the spacer and the pre-filter element and between the spacer and the fine filter element, respectively.
Preferably, the fine filter element comprises a central tube with an opening on the tube wall and a coiled film coiled on the central tube, and the rear filter element is arranged inside the central tube.
Preferably, the fine filter element is provided with a concentrated water draining end, and the shell is further provided with a concentrated water outlet which is in fluid communication with the concentrated water draining end of the fine filter element.
Preferably, the fine filter element is a reverse osmosis membrane filter element.
The utility model solves the second technical problem by adopting the technical proposal that: A water purifier is characterized in that the composite filter element is applied.
Compared with the prior art, the utility model has the advantages that the water outlet and the second water inlet are formed in the shell, the first water outlet is in fluid communication with the water outlet end of the pre-filter element, the second water inlet is in fluid communication with the water inlet end of the fine filter element, and the water outlet and the second water inlet are in fluid communication through the pipeline, so that on one hand, the booster pump can be conveniently installed by arranging the booster pump on the pipeline, and on the other hand, the service life of the booster pump is prolonged due to the fact that the booster pump is arranged at the water outlet end of the pre-filter element and the water inlet end of the fine filter element, and in addition, the size of the composite filter element is small and the space utilization rate is high.
Drawings
FIG. 1 is a schematic structural view of a composite filter element in an embodiment of the utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at A;
Fig. 4 is a water path diagram of a water purifier according to an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 4, a composite filter element and a water purifier using the same are disclosed in this embodiment. The composite filter element comprises a shell 1, a front filter element 2, a fine filter element 3 and a rear filter element 4.
The casing 1 is hollow, a first water inlet 1a, a water outlet 1b, a second water inlet 1c and a purified water outlet 1d are formed in the casing 1, as shown in fig. 2, the casing 1 in this embodiment is tubular, in order to facilitate water path installation, the first water inlet 1a, the water outlet 1b, the second water inlet 1c and the purified water outlet 1d are all formed in a first end 11 of the casing 1, a second end 12 of the casing 1 is a closed end, and the first water inlet 1a, the purified water outlet 1d, the second water inlet 1c and the water outlet 1b are all arranged side by side in sequence along the first end 11 of the casing 1. As shown in fig. 4, the purified water outlet 1d is externally connected to a purified water pipe 82.
The pre-filter element 2 and the fine filter element 3 are both arranged in the shell 1, the water inlet end of the pre-filter element 2 is in fluid communication with the first water inlet 1a, the fine filter element 3 is positioned downstream of the pre-filter element 2 along the fluid flow path, the post-filter element 4 is positioned downstream of the fine filter element 3, and the purified water outlet 1d is in fluid communication with the water outlet end of the post-filter element 4. In order to fully utilize the space in the shell 1, the post-filter element 4 in the embodiment is arranged in the fine filter element 3, the fine filter element 3 is arranged in the pre-filter element 2, preferably, the post-filter element 4, the fine filter element 3 and the pre-filter element 2 are all tubular, and the axes of the post-filter element 4, the fine filter element 3 and the pre-filter element 2 are parallel or coincident. The post filter element 4, the fine filter element 3 and the pre filter element 2 in this embodiment are prior art in the water purifier, and will not be described in detail herein.
The inside of the housing 1 is further provided with an end cover 13 for installing the pre-filter element 2 and the fine filter element 3 at a position adjacent to the first end 11, the end cover 13 is provided with a plurality of annular bodies 131 which are sequentially arranged at intervals inside and outside, and an installation space for installing the pre-filter element 2 or the fine filter element 3 is formed between two adjacent annular bodies 131.
As shown in fig. 2 and 3, the fine filter element 3 in the present embodiment comprises a central tube 31 with an opening 30 on the tube wall and a coiled film 32 coiled on the central tube 31, the rear filter element 4 is arranged inside the central tube 31, in the present embodiment, the fine filter element 3 is a reverse osmosis membrane filter element, the fine filter element 3 has a concentrated water drainage end, the concentrated water drainage end of the fine filter element 3 is in fluid communication with a concentrated water outlet 1e, as shown in fig. 4, the concentrated water outlet 1e is externally connected with a waste water tube 81, and the waste water tube 81 is provided with a waste water valve 9.
The inside of the shell 1 is also provided with a spacing piece 7 used for enabling the pre-filter element 2 and the fine filter element 3 to be arranged at intervals, the first water outlet 1b is in fluid communication with the water outlet end of the pre-filter element 2, the second water inlet 1c is in fluid communication with the water inlet end of the fine filter element 3, the water outlet 1b and the second water inlet 1c are in fluid communication through a pipeline 5 as shown in fig. 4, a booster pump 6 is arranged on the pipeline 5, the spacing piece 7 is in a tubular shape as shown in fig. 2, the spacing piece 7 is arranged between the pre-filter element 2 and the fine filter element 3, and water passing channels 70 are respectively formed between the spacing piece 7 and the pre-filter element 2 and the fine filter element 3.
As shown in fig. 4, the working process of the water purifier in this embodiment is as follows:
Raw water (typically tap water) entering from the first water inlet 1a is preliminarily filtered through the pre-filter element 2, flows into the pipeline 5 through the water outlet 1b, then enters into the shell 1 from the second water inlet 1c through the booster pump 6 on the pipeline 5, water entering from the second water inlet 1c sequentially passes through the fine filter element 3 and the post-filter element 4 to be filtered, then flows out of purified water, the purified water flows out through the purified water outlet 1d, and concentrated water of the fine filter element 3 is discharged through the concentrated water outlet 1 e.
The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.
Claims (11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420943011.2U CN222434188U (en) | 2024-04-30 | 2024-04-30 | Composite filter element and water purifier using the composite filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420943011.2U CN222434188U (en) | 2024-04-30 | 2024-04-30 | Composite filter element and water purifier using the composite filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222434188U true CN222434188U (en) | 2025-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420943011.2U Active CN222434188U (en) | 2024-04-30 | 2024-04-30 | Composite filter element and water purifier using the composite filter element |
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| Country | Link |
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| CN (1) | CN222434188U (en) |
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