CN205472997U - Filter core, filter equipment and water purifier - Google Patents

Abstract

The present disclosure relates to a filter element, a filter device and a water purifier. The filter device includes a first filter element and a second filter element communicated with each other, the first filter element includes a first housing, the second filter element includes a second housing, the first A first filter area and a third filter area separated from each other are formed in the shell, and a second filter area is formed in the second shell, and the water filtered through the first filter area enters the second filter area through a pipeline, and then the The water flow filtered by the second filter area enters the third filter area through the pipeline to be filtered. Therefore, when any shell needs to be maintained, it will not affect the filter area in the other shell, and the corresponding filter area can be selectively maintained according to the needs and usage conditions, effectively improving the convenience of maintenance. In addition, the front and rear first and third filter areas are combined in the same housing and are independent of each other, making the structure of the overall filter device more compact, which is conducive to the miniaturization and weight reduction of the water purifier, and improves user experience.

Description

Filter elements, filters and water purifiers

technical field

The present disclosure relates to the field of water purification components, in particular to a filter device, a filter element in the filter device and a water purifier using the filter device.

Background technique

With the continuous improvement of people's living standards, the public's requirements for water quality are gradually increasing. Among them, the use of water purifiers is gradually becoming popular. In the related art, the filter element usually has a single filtering function, so in order to complete multiple filtration, multiple filter elements need to be installed in the water purifier, which increases the water connection points in the water purifier, and the probability of water leakage is high. In addition, maintenance is inconvenient and the space of the water purifier is larger.

Utility model content

In order to overcome the problems in the related art, the present disclosure provides a filter device, a filter element in the filter device and a water purifier using the filter device.

According to a first aspect of an embodiment of the present disclosure, a filter device is provided, including a first filter element and a second filter element communicated with each other, the first filter element includes a first housing, and the second filter element includes a second housing, A first filter area and a third filter area separated from each other are formed in the first housing, a second filter area is formed in the second housing, and the water filtered through the first filter area enters the filter area through a pipeline. In the second filtering area, the water filtered by the second filtering area enters the third filtering area through the pipeline for filtering.

According to a second aspect of the embodiments of the present disclosure, a filter element is provided, and the filter element is the first filter element in the filter device provided in the present disclosure.

According to a third aspect of the embodiments of the present disclosure, a water purifier is provided, the water purifier is provided with the filter device provided in the present disclosure.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: Since the three filter areas that complete the overall filtration process are arranged in two filter elements, that is, the pre-filter and post-filter areas of the second filter area are located in the same shell body, while the second filter zone is located in a housing alone, so that the second filter zone can be maintained separately, and the first and third filter zones can be maintained at the same time. Therefore, the second filter area can be used as a core filter area to accommodate a core filter element with high filtration precision, such as a reverse osmosis filter membrane. Filter elements with comparable filtration precision can be used in the pre- and post-positioned first and third filter areas, and the maintenance cycle, difficulty and cost are also equivalent. Therefore, when any shell needs to be maintained, it will not affect the filter area in the other shell, and the corresponding filter area can be selectively maintained according to the needs and usage conditions, effectively improving the convenience of maintenance. In addition, the front and rear first and third filter areas are combined in the same housing and are independent of each other, making the structure of the overall filter device more compact, which is conducive to the miniaturization and weight reduction of the water purifier, and improves user experience.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a structural schematic diagram of a filter device according to an exemplary embodiment, in which the first filter element is shown in section and the second filter element is shown schematically.

detailed description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with this disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

In the present disclosure, the orientation words used, such as "up and down", are defined based on the drawing direction shown in FIG. 1 unless stated otherwise. And "inside and outside" refers to the inside and outside of the contour of the corresponding part.

As shown in FIG. 1 , an aspect of an exemplary embodiment of the present disclosure provides a filter device, the filter device includes a first filter element 100 and a second filter element 200 communicating with each other, the first filter element 100 includes a first housing 110 , The second filter element 200 includes a second housing 210, the first filtering area 120 and the third filtering area 130 are formed in the first housing 110, and the second filtering area 220 is formed in the second housing 210, through the first The water filtered by the first filter zone 120 enters the second filter zone 220 through the pipeline, and then the water filtered by the second filter zone 220 enters the third filter zone 130 through the pipeline for filtration.

In the technical solution of this embodiment, since the three filter areas that complete the overall filtration process are arranged in two filter elements, that is, the pre-filter and post-filter areas of the second filter area 220 are located in the same housing, and the second filter area 220 The filter zone 220 is separately located in a housing, so that the second filter zone 220 can be maintained separately, and the first and third filter zones 120, 130 can be maintained simultaneously. Therefore, the second filter area 220 can be used as a core filter area to accommodate a core filter element with high filtration precision, such as a reverse osmosis filter membrane. The pre- and post-positioned first and third filter areas 120 and 130 can use filter elements with comparable filtration precision, and the maintenance period, difficulty and cost are also comparable.

Therefore, when any shell needs to be maintained, it will not affect the filter area in the other shell, and the corresponding filter area can be selectively maintained according to the needs and usage conditions, effectively improving the convenience of maintenance. In addition, the front and rear first and third filter areas 120 and 130 are combined in the same housing and are independent of each other, making the structure of the overall filter device more compact, which is beneficial to the miniaturization and weight reduction of the water purifier and improves user experience.

In this embodiment, as shown in FIG. 1 , as an example, the first filter area 120 and the third filter area 130 are arranged radially. Therefore, the radial space in the first housing 110 is fully utilized. In other embodiments, the two filter areas can also be arranged axially in the first housing 110. In this embodiment, the first filter area 120 is arranged around the third filter area 130. In this way, the outer surface area of the filter element located in the first filter area of the outer ring is larger, which can simultaneously process more incoming water, thereby improving the front filter area. Filtration efficiency and water volume, the filter element located in the third filter area of the inner ring can be designed to have a larger radial thickness, so as to improve the filtering effect in the post-filtering, so as to make full use of the radial space of the first housing 110 and improve Pre- and post-filter performance.

In this embodiment, in order to facilitate the maintenance of the first filter element 100, the first housing 110 has a closed end 111 and a connecting end 112 arranged in the axial direction, and an end cover 140 is detachably fixed on the connecting end 112, and the end cover 140 The external connection ports of the first filter area 120 and the third filter area 130 are arranged on the top, that is, the water ports used to communicate the filter element with other upstream and downstream pipelines, for example, they can be plugged into the corresponding filter element holders in a plug-in manner, these In this embodiment, the external connection water ports may include the first water inlet 159 , the first water outlet 160 , the second water inlet 190 and the second water outlet 180 described below. And the end wall of the closed end 111 is provided with a partition 300 facing the connection end 112, the partition 300 is formed into a cylindrical structure, and the cylindrical structure divides the inside of the first housing 110 into a central area and an outer annular area to respectively The first filter area 120 and the third filter area 130 are accommodated. In this embodiment, the central area can be used to accommodate the third filter area 130 , and the outer annular area can be used to accommodate the first filter area 120 . In this way, the maintenance of the first filter area 120 and the third filter area 130 can be realized by disassembling the interface of the end cover 140 . The spacer 300 can be integrally formed on the top wall of the first housing 110 , which is easy to process and has a clear layout.

In order to realize the first filter area 120, a first filter element 150 extending along the axial direction of the first housing 110 is provided in the outer annular area, and a filter is provided on the end cover 140 to communicate with the water inlet side of the first filter element 150. The first water inlet 159 and the first water outlet 160 are aligned and communicated with the water outlet side of the first filter element 150 . That is, the first water inlet 159 is located radially outside the first water outlet 160, wherein there is a gap between the outer side of the first filter element 150 and the side wall of the housing 110 to allow the water flow from the first water inlet 159 to quickly cover the The entire outer surface of the first filter element 150 realizes filtering from outside to inside under the action of water pressure. The water passing through the first filter element 150 is filtered and flows from the water outlet side of the first filter element 150 to the first water outlet 160 , thereby completing the filtering process of the first filter area 130 .

In this embodiment, as a pre-filter, the first filter 150 provided in the first filter area 120 is a PP cotton layer 151 and a first activated carbon layer 152 stacked in sequence along the water flow direction, or only PP cotton can be provided. layer, so that the relatively coarse impurities in the water are filtered through the PP cotton material, and the organic and toxic substances in the water are adsorbed through the activated carbon material.

In order to realize the filtration of the third filter area 130, a third filter element 153 extending in the axial direction of the first housing 110 is arranged in the central area, and the center of the third filter element 153 is surrounded by a water outlet pipe 170, and the water outlet pipe 170 The end close to the closed end 111 communicates with the water outlet side of the third filter element 153 , and the end cover 140 is provided with a second water inlet 180 aligned with the water inlet side of the third filter element 153 and communicated with the outlet pipe 170 The second water outlet 190. That is, the end of the water outlet pipe 170 close to the end cover is aligned and communicated with the second water outlet 190 , or is integrally formed with the second water outlet 190 . In this way, the post-filtered water flow through the third filter element 153 can enter the water outlet pipe 170 through the end of the water outlet pipe 170 close to the closed end 111 , and then be discharged through the second water outlet 190 . In this way, the filter element is usually placed vertically, so that the post-filtered water flow can have a sedimentation effect before entering the end of the upper side of 170, and further remove the impurities of the third filter element 153 components that may be contained in the water flow, and the filtering effect better.

As a post-filter, the third filter 153 disposed in the third filter area 130 may include the second activated carbon 154 . Thereby, the purification of water quality is finally completed through further adsorption of odors in the water. In other possible embodiments, the first filter element 150 and the third filter element 153 may also have various other materials and combinations thereof.

In addition, in order to better stabilize the installation position of the rear filter element, the end of the third filter element 153 close to the closed end 111 has a rear end cover 161 to separate the inlet side and the water outlet side of the third filter element 153, The end of the water outlet pipe 170 is spaced apart from the rear end cover 161 , so as to ensure that water flow can enter the water outlet pipe 170 . And the rear end cover 161 can be attached to the central area of the partition 300 to maintain the water flow gap between the third filter 153 and the partition. In this embodiment, there is a gap between the top of the water outlet pipe 170 and the rear end cover 161, so as to allow water to enter. At this time, the water outlet pipe 170 can be fixed on the end cover 140. In other embodiments, the outlet pipe 170 can also be placed The water pipe 170 is fixed on the rear end cover 161 . At this time, a plurality of water holes can be formed through the pipe wall of the water outlet pipe 170 , so that water flows into the water outlet pipe 170 from the outside of the pipe.

In addition, the first filter element 150 may also have a front mounting cover, which is formed as a hollow cylindrical structure with a flange, wherein the flange is outwardly connected to the inner wall of the first housing 110 so that the hollow cylinder An annular space for accommodating the first filter element 150 is formed between the outer wall of the shape structure and the first casing 100 . In this way, the inlet side and the water outlet side of the first filter element 150 can be separated by the flange. Wherein, there may be a water flow hole on the side wall of the hollow cylindrical structure, so that the water outlet on the water outlet side of the first filter element 150 can communicate with the first water outlet 160 through the side wall. The inner side of the filter element 150 is in close contact with this embodiment, so that the outlet water can flow out through the side wall. In some embodiments, there is a gap between the side wall of the hollow cylindrical structure and the inner side of the first filter element 150, and the gap can be directly communicated with the first water outlet 160, so that there is no need to set a through hole on the hollow cylindrical structure. hole.

In the filter device provided in this embodiment, the second filter area 220 is provided with a reverse osmosis filter element that can have a core filter function, such as a reverse osmosis filter membrane, and has a third water inlet 221 to supply water to the reverse osmosis filter element, and Concentrated water outlet 222 and pure water outlet 223 are used to respectively discharge concentrated water and pure water produced in reverse osmosis filtration. Wherein in the present embodiment, the third water inlet 221 communicates with the first water outlet 160 of the first filter element 100, and the pure water outlet 223 communicates with the second water inlet 190 of the first filter element 100 through pipelines, so that through reverse osmosis Filtered pure water is further post-filtered.

The second aspect of this exemplary embodiment provides a filter element, which is the first filter element 100 mentioned above in this embodiment, and the first filter element 100 can also be For separate use, for example, the first water outlet 160 and the second water inlet 180 may be directly connected through a piping piece.

In addition, the third aspect of the exemplary embodiments of the present disclosure also provides a water purifier provided with the above filter device, so that the maintenance of the water purifier is more convenient, and a small and lightweight design can be implemented.

Other embodiments of the disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It should be understood that the present disclosure is not limited to the precise constructions which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (12)

1. a defecator, it is characterized in that, this defecator includes the first filter element (100) and the second filter element (200) being interconnected, described first filter element (100) includes the first housing (110), described second filter element (200) includes the second housing (210), the first filtering area (120) and the 3rd filtering area (130) of mutually separation it is formed with in described first housing (110), it is formed with the second filtering area (220) in described second housing (210), current after being filtered by described first filtering area (120) enter in described second filtering area (220) by pipeline, then the current filtered by this second filtering area (220) are entered in described 3rd filtering area (130) by pipeline and filter.

Defecator the most according to claim 1, it is characterised in that described first filtering area (120) and described 3rd filtering area (130) are radially arranged.

Defecator the most according to claim 2, it is characterised in that described first filtering area (120) is arranged around described 3rd filtering area (130).

null4. according to the defecator described in any one in claim 1-3，It is characterized in that，Described first housing (110) has axially disposed blind end (111) and connects end (112)，It has been removably secured end cap (140) on described connection end (112)，Described first filtering area (120) and the external connection mouth of a river of described 3rd filtering area (130) it is provided with on this end cap (140)，And it is provided with the separator (300) towards described connection end (112) on the end wall of described blind end (111)，This separator (300) is formed as tubular structure，This tubular structure is divided into central area and outer annular regions to accommodate described first filtering area (120) and described 3rd filtering area (130) respectively by internal for described first housing (110).

Defecator the most according to claim 4, it is characterised in that described central area is used for accommodating described 3rd filtering area (130), described outer annular regions is used for accommodating described first filtering area (120).

Defecator the most according to claim 5, it is characterized in that, it is provided with axially extended first filtration members (150) along described first housing (110) in described outer annular regions, described end cap (140) is provided with and aligns the first water inlet (159) connected with the influent side of described first filtration members (150) and the water outlet side with described first filtration members (150) aligns the first outlet (160) connected.

Defecator the most according to claim 5, it is characterized in that, axially extended 3rd filtration members (153) along described first housing (110) it is provided with in described central area, and the 3rd filtration members (153) centered around there being outlet pipe (170), described outlet pipe (170) connects close to the end of described blind end (111) and the water outlet side of described 3rd filtration members (153), it is provided with the influent side with described 3rd filtration members (153) on described end cap (140) to align the second water inlet (180) connected, and the second outlet (190) connected that aligns with described outlet pipe (170).

Defecator the most according to claim 7, it is characterized in that, described 3rd filtration members (153) has rearmounted end cap (161) close to the end of described blind end (111), and the end of described outlet pipe (170) and described rearmounted end cap (161) interval are arranged.

Defecator the most according to claim 1, it is characterized in that, it is provided with PP cotton layer (151) or PP cotton layer (151) being sequentially overlapped along water (flow) direction and the first active carbon layer (152) in described first filtering area (120), in described 3rd filtering area (130), is provided with the second activated carbon (154).

Defecator the most according to claim 1, it is characterized in that, it is provided with osmosis filtration part in described second filtering area (220), and there is the 3rd water inlet (221), dense water out (222) and pure water outlet (223).

11. 1 kinds of filter elements, it is characterised in that described filter element is the first filter element (100) in claim 1-9 described in any one.

12. 1 kinds of water purifiers, it is characterised in that be provided with according to the defecator described in any one in claim 1-10 in this water purifier.