CN208372625U - Element kit, composite filter element and purifier - Google Patents

Element kit, composite filter element and purifier Download PDF

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Publication number
CN208372625U
CN208372625U CN201820623559.3U CN201820623559U CN208372625U CN 208372625 U CN208372625 U CN 208372625U CN 201820623559 U CN201820623559 U CN 201820623559U CN 208372625 U CN208372625 U CN 208372625U
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CN
China
Prior art keywords
filter element
filter
water
assembly
barrel
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Withdrawn - After Issue
Application number
CN201820623559.3U
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Chinese (zh)
Inventor
郑跃东
蔡雪刚
桂鹏
彭晶
廖榆敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Application filed by Midea Group Co Ltd, Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201820623559.3U priority Critical patent/CN208372625U/en
Application granted granted Critical
Publication of CN208372625U publication Critical patent/CN208372625U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of element kit, composite filter element and purifier, wherein the element kit includes the first filter core, the second filter core and barrier assembly, is formed with the first filter chamber in the barrier assembly;First filter core is located in first filter chamber, and second filter core is located at outside first filter chamber, and is installed on above or below the barrier assembly;Wherein, at least one of first filter core and the second filter core include at least two-stage filter material, and at least two-stage filter material is cylindrical in shape and setting of radially arranging.Technical solutions of the utility model can effectively improve the integration degree of filter cartridge construction in purifier, to improve the convenience that user dismounts filter cartridge construction.

Description

Filter element assembly, composite filter element and water purifying equipment
Technical Field
The utility model relates to a water purification product technical field, in particular to filter element group spare, combined filter core and water purification unit.
Background
Current water purification unit all is provided with the filter core structure, for further protection filter core structure, generally sets up the preliminary treatment filter core (be used for coarse filtration) in first filtration water route, for further improving quality of water, obtains better taste, generally sets up the aftertreatment filter core (be used for meticulous filtration) in the aftertreatment filters the water route. However, the pretreatment filter element and the post-treatment filter element are usually two independent bodies, so that the integration degree is low and the installation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a filter element group spare, the filter core structure who aims at solving water purification unit among the prior art integrates the degree low, installs inconvenient technical problem.
In order to achieve the purpose, the filter element assembly provided by the utility model comprises a first filter element, a second filter element and an isolation assembly, wherein a first filter cavity is formed in the isolation assembly;
the first filter element is positioned in the first filter cavity, and the second filter element is positioned outside the first filter cavity and is arranged above or below the isolation assembly; wherein,
at least one of the first filter element and the second filter element comprises at least two stages of filter materials, and the at least two stages of filter materials are cylindrical and are arranged in the radial direction.
Preferably, the second filter element comprises the at least two stages of filter materials.
Preferably, the at least two stages of filter media corresponding to the same filter element include a roll filter media and a granular filter media.
Preferably, the isolation assembly comprises an inner barrel and a separation disc hermetically fixed at the lower end of the inner barrel, and the second filter element is arranged below the isolation assembly.
Preferably, the isolation assembly further comprises a barrel cover and an upper cover, the barrel cover is hermetically fixed at the upper end of the inner barrel, a first opening is formed in the barrel cover, the upper cover is arranged in the first opening, the upper cover is provided with a second opening, a first flow channel is formed between the inner side surface of the barrel cover and the outer side surface of the upper cover at an interval, and the inner space of the first filter element is communicated with the second opening to form a second flow channel.
Preferably, the filter element assembly further comprises a water guide pipe, the second opening is arranged at the upper end of the water guide pipe in a penetrating mode, a second flow channel is formed between the outer peripheral surface of the water guide pipe and the inner side space of the first filter element, a third flow channel is formed between the outer peripheral surface of the water guide pipe and the periphery of the second opening, and the third flow channel is communicated with the second flow channel;
the lower end of the water guide pipe penetrates through the separation disc, or a water through hole corresponding to the water guide pipe is formed in the separation disc, and the lower end of the water guide pipe is abutted against the upper periphery of the water through hole so as to be communicated with the inner side space of the second filter element.
Preferably, the water guide pipe is abutted to the upper periphery of the water through hole, an annular water guide part is arranged on the lower disc surface of the separation disc, the lower end of the annular water guide part is communicated with the inner side space of the second filter element, and the lower end of the water guide pipe is communicated with the upper end of the annular water guide part.
Preferably, the filter element assembly further comprises a lower cover located at a lower side of the separation disc, and the second filter element is installed between the lower cover and the separation disc.
Preferably, the end face of the first filter element is in sealing fit with the inner wall face of the inner barrel, the upper end face of the second filter element is in sealing fit with the lower disc face of the separation disc, and the lower end face of the second filter element is in sealing fit with the upper side face of the lower cover.
Preferably, the filter element assembly further comprises a filter barrel, the separation disc is fixed at the upper end of the filter barrel in a sealing mode, a second filter cavity is formed in the filter barrel, the second filter element is arranged in the second filter cavity, and a water passing port communicated with the second filter cavity is formed in the side wall or the bottom wall of the filter barrel.
The utility model also provides a composite filter element, which comprises a shell and a filter element assembly, wherein the filter element assembly comprises a first filter element, a second filter element and an isolation assembly, and a first filter cavity is formed in the isolation assembly;
the first filter element is positioned in the first filter cavity, and the second filter element is positioned outside the first filter cavity and is arranged above or below the isolation assembly; wherein,
at least one of the first filter element and the second filter element comprises at least two stages of filter materials, and the at least two stages of filter materials are cylindrical and are arranged in a radial direction;
the filter element assembly is arranged in the shell, a second filter cavity is formed between the shell and the isolation assembly, and the first filter cavity and the second filter cavity are mutually independent; the second filter element is arranged in the second filter cavity.
The utility model also provides a composite filter element, which comprises a shell and a filter element assembly, wherein the filter element assembly comprises a first filter element, a second filter element and an isolation assembly, and a first filter cavity is formed in the isolation assembly;
the first filter element is positioned in the first filter cavity, and the second filter element is positioned outside the first filter cavity and is arranged above or below the isolation assembly; wherein,
at least one of the first filter element and the second filter element comprises at least two stages of filter materials, and the at least two stages of filter materials are cylindrical and are arranged in a radial direction;
the isolation assembly comprises an inner barrel and a separation disc which is hermetically fixed at the lower end of the inner barrel, and the second filter element is arranged below the isolation assembly;
the filter element assembly further comprises a filter barrel, the separating disc is fixed at the upper end of the filter barrel in a sealing mode, a second filter cavity is formed in the filter barrel, the second filter element is arranged in the second filter cavity, and a water passing port communicated with the second filter cavity is formed in the side wall or the bottom wall of the filter barrel;
the filter element assembly is arranged in the shell, and a flow passage communicated with the water passing opening is formed between the inner wall surface of the shell and the outer wall surfaces of the isolation assembly and the filter barrel.
The utility model also provides a water purifying device, which comprises a composite filter element, wherein the composite filter element comprises a shell and a filter element component; the filter element assembly comprises a first filter element, a second filter element and an isolation assembly, wherein a first filter cavity is formed in the isolation assembly;
the first filter element is positioned in the first filter cavity, and the second filter element is positioned outside the first filter cavity and is arranged above or below the isolation assembly; wherein,
at least one of the first filter element and the second filter element comprises at least two stages of filter materials, and the at least two stages of filter materials are cylindrical and are arranged in a radial direction;
the filter element assembly is arranged in the shell, a second filter cavity is formed between the shell and the isolation assembly, and the first filter cavity and the second filter cavity are mutually independent; the second filter element is arranged in the second filter cavity.
The utility model also provides a water purifying device, which comprises a composite filter element, wherein the composite filter element comprises a shell and a filter element component, the filter element component comprises a first filter element, a second filter element and an isolation component, and a first filter cavity is formed in the isolation component;
the first filter element is positioned in the first filter cavity, and the second filter element is positioned outside the first filter cavity and is arranged above or below the isolation assembly; wherein,
at least one of the first filter element and the second filter element comprises at least two stages of filter materials, and the at least two stages of filter materials are cylindrical and are arranged in a radial direction;
the isolation assembly comprises an inner barrel and a separation disc which is hermetically fixed at the lower end of the inner barrel, and the second filter element is arranged below the isolation assembly;
the filter element assembly further comprises a filter barrel, the separating disc is fixed at the upper end of the filter barrel in a sealing mode, a second filter cavity is formed in the filter barrel, the second filter element is arranged in the second filter cavity, and a water passing port communicated with the second filter cavity is formed in the side wall or the bottom wall of the filter barrel;
the filter element assembly is arranged in the shell, and a flow passage communicated with the water passing opening is formed between the inner wall surface of the shell and the outer wall surfaces of the isolation assembly and the filter barrel.
The filter element component of the technical proposal of the utility model realizes mutual independence of the spaces of the two filter elements by arranging the first filter element in the first filter cavity of the isolation component and arranging the second filter element outside the first filter cavity of the isolation component; the filter element is applied to the composite filter element, so that a first filter cavity and a second filter cavity which are mutually independent are formed in the shell of the composite filter element, namely, the composite filter element is provided with two independent filter channels, so that two kinds of water quality can be respectively filtered, and the filter requirements of users on various water qualities can be met; simultaneously, because this composite filter element is integrated to have set up a plurality of filtration passageways, reduced composite filter element's in the water purification unit use number, on the one hand, simplified the inside water route connection of water purification unit, improved user's dismouting composite filter element's convenience, on the other hand has also reduced water purification unit inner space, has reduced water purification unit's volume to adapt to water purification unit's light small-size development trend.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the filter element assembly of the present invention;
FIG. 2 is an exploded view of the filter element assembly of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the filter cartridge assembly of FIG. 2;
FIG. 4 is a schematic top view of the filter cartridge assembly of FIG. 2;
fig. 5 is a schematic structural view of an embodiment of the composite filter element of the present invention;
FIG. 6 is a schematic structural view of another embodiment of the filter element assembly of the present invention;
FIG. 7 is an exploded view of the filter element assembly of FIG. 6;
FIG. 8 is a schematic cross-sectional view of the filter cartridge assembly of FIG. 6;
FIG. 9 is a schematic top view of the filter cartridge assembly of FIG. 6;
fig. 10 is a schematic structural view of another embodiment of the composite filter element of the present invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
1 Shell body 11 Filter element joint
12 Outer barrel 13 Second filter chamber
131 The sixth flow passage 132 The fourth flow passage
133 The fifth flow passage 2 Isolation assembly
21 Inner barrel 211 Inner barrel body
212 Barrel cover 212a First opening
212b Flow guiding rib 212c Support convex rib
212d Sealed slot 22 Separating disc
221 Water through hole 23 First filter chamber
231 First flow channel 232 Second flow channel
233 Third flow channel 24 Upper cover
241 Second opening 3 First filter element
4 Second filter element 41 External filter material
42 Inner filter material 5 Water guide pipe
51 Strip convex rib 6 Lower cover
7 Filter vat 71 Water-through opening
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a composite filter element, this composite filter element can be applied to water purification unit such as kitchen water purifier, domestic purifier.
In an embodiment of the present invention, referring to fig. 1 to 5, the composite filter element includes a housing 1 and a filter element assembly disposed in the housing 1, the filter element assembly includes an isolation assembly 2, a first filter element 3, and a second filter element 4;
the isolation assembly 2 is arranged in the shell 1, a first filter cavity 23 is formed in the isolation assembly 2, a second filter cavity 13 is formed between the shell 1 and the isolation assembly 2, and the first filter cavity 23 and the second filter cavity 13 are mutually independent;
the first filter element 3 is arranged in the first filter cavity 23, and the second filter element 4 is arranged in the second filter cavity 13.
It can be understood that the casing 1 has a first water inlet and a first water outlet communicating with the first filtering chamber 23, and a second water inlet and a second water outlet communicating with the second filtering chamber 13, the first filter element 3 being located between the first water inlet and the first water outlet, the second filter element 4 being located between the second water inlet and the second water outlet; it can be understood that, so set up, be formed with two completely independent water purification water routes in composite filter's same casing 1, can conveniently be applied to the condition that needs carry out twice purification to water, for example carry out leading filtration and rearmounted filtration to water. It should be noted that, the technical solution of the present invention is not limited to the housing 1, and only relates to the structure and the waterway relation in the filter element assembly, which still belong to the protection scope of the present invention, the filter element assembly can also be applied to other filter element structures except the composite filter element.
The technical proposal of the utility model is that the isolation component 2 is arranged in the shell 1, so that the first filter chamber 23 and the second filter chamber 13 which are mutually independent are formed in the shell 1, namely, the composite filter element has two independent filter channels, thereby realizing the respective filtration of two water qualities and meeting the filtration requirements of users on various water qualities; simultaneously, because this composite filter element is integrated to have set up a plurality of filtration passageways, reduced composite filter element's in the water purification unit use number, on the one hand, simplified the inside water route connection of water purification unit, improved user's dismouting composite filter element's convenience, on the other hand has also reduced water purification unit inner space, has reduced water purification unit's volume to adapt to water purification unit's light small-size development trend.
In this embodiment, referring to fig. 2 and 3, the isolation assembly 2 includes an inner barrel 21, a separation disc 22 and an upper cover 24, the inner barrel 21 includes an inner barrel body 211 which is cylindrical in the up-down direction and a lid 212 which is sealed and provided with an opening at the upper end of the inner barrel body 211, the separation disc 22 is sealed and provided with an opening at the lower end of the inner barrel body 211, the lid 212 has a first opening 212a, the upper cover 24 is provided in the first opening 212a, the upper cover 24 has a second opening 241, the first filter element 3 is cylindrical and provided in the inner barrel 21, the first opening 212a and the second opening 241 are both located in the annular opening of the first filter element 3, the upper end surface of the first filter element 3 is in sealing fit with the inner side surface of the upper cover 24, and the lower end surface is.
Regarding the water path of the first filter cavity 23, referring to fig. 3, a first flow channel 231 is formed between the inner side surface of the tub cover 212 and the outer side surface of the upper cover 24 at intervals, and the inner space of the first filter element 3 is communicated with the second opening 241 to form a second flow channel 232, in this embodiment, the first water inlet is communicated with the first flow channel 231, and the first water outlet is communicated with the second flow channel 232, so that water to be filtered enters the composite filter element through the first water inlet, passes through the first flow channel 231 to enter the inner tub 21, is filtered by the first filter element 3, passes through the second flow channel 232 to leave the inner tub 21, and leaves the composite filter element through the first water outlet; of course, in other embodiments, the first water outlet may also be communicated with the first flow channel 231, and the first water inlet is communicated with the second flow channel 232, which is not limited to this design. Specifically, a plurality of flow guide ribs 212b are radially arranged on the inner side surface of the barrel cover 212, the bottom surfaces of the flow guide ribs 212b are abutted to the outer side surface of the upper cover 24, and water passing can be realized between the adjacent flow guide ribs 212 b; of course, in other embodiments, the diversion rib 212b may also be disposed on the upper side of the upper cover 24, and the design is not limited thereto.
In addition, in order to reduce the overall radial dimension of the composite filter element and to achieve a compact design of the composite filter element, in this embodiment, the first filter element 3 and the second filter element 4 are arranged in the vertical direction.
Specifically, referring to fig. 3, the lower side surface of the separating disc 22 and the bottom wall surface of the casing 1 are spaced to avoid a space for installing the second filter element 4, the second filter element 4 is in a cylindrical shape, the upper end surface of the second filter element 4 and the lower side surface of the separating disc 22 are in sealing fit, in this embodiment, the filter element assembly further includes a lower cover 6 disposed at the bottom wall surface of the casing 1, the lower end surface of the second filter element 4 and the upper side surface of the lower cover 6 are in sealing fit, of course, in other embodiments, the lower end surface of the second filter element 4 can also be directly in sealing fit with the bottom wall surface of the casing 1, and the design is not limited thereto. It should be noted that the design is not limited thereto, and in other embodiments, the second filter element 4 may also be disposed around the first filter element 3, that is, the second filter element 4 is disposed around the inner barrel 21.
In this embodiment, referring to fig. 3, a gap is left between the outer wall surface of the inner barrel 21 and the inner wall surface of the casing 1, the filter element assembly further includes a water conduit 5, the water conduit 5 is vertically inserted into the inner barrel 21, the upper end of the water conduit 5 is disposed through the second opening 241, a gap is left between the outer circumferential surface of the water conduit 5 and the periphery of the second opening 241, and the lower end of the water conduit 5 is in butt joint with the water through hole 221 correspondingly disposed on the separation disc 22 (in other embodiments, the lower end of the water conduit 5 may also be disposed through the separation disc 22) so as to communicate with the inner space of the second filter.
Referring to fig. 3, a sixth flow channel 131 is formed between the outer wall surface of the inner tub 21 and the inner wall surface of the casing 1 at an interval, a fourth flow channel 132 is formed between the lower surface of the partition plate 22 and the upper surface of the lower cover 6 at an interval, and a fifth flow channel 133 is formed in the water guide pipe 5; in this embodiment, the second water inlet is communicated with the sixth flow channel 131, and the second water outlet is communicated with the fifth flow channel 133, so that water to be filtered enters the composite filter element through the second water inlet, passes through the sixth flow channel 131 to reach the first filter element 3, is filtered by the first filter element 3, reaches the fourth flow channel 132, reaches the second water outlet through the fifth flow channel 133, and is discharged from the composite filter element through the second water outlet; of course, in other embodiments, the second water inlet may also be communicated with the fifth flow channel 133, and the second water outlet is communicated with the sixth flow channel 131, which is not limited to this design.
It can be understood that after the water conduit 5 is introduced, the first water inlet, the first water outlet, the second water inlet and the second water outlet can be arranged at the same end (upper end) of the shell 1, so that the connection of an external water path is facilitated; of course, in other embodiments, the first water inlet, the first water outlet, the second water inlet, and the second water outlet may also be separately disposed at two ends of the housing 1, and the design is not limited thereto. In addition, in this embodiment, the casing 1 includes an outer tub 12 with an upward opening and a filter element joint 11 adapted to cover the opening of the outer tub 12, the filter element joint 11 is formed with the first water inlet, the first water outlet, the second water inlet and the second water outlet, and the first water inlet, the first water outlet, the second water inlet and the second water outlet are radially arranged; of course, in other embodiments, the filter element joint 11 may be replaced by a water channel plate, and the water channel plate is formed with a first water inlet, a first water outlet, a second water inlet and a second water outlet, which is not limited to this design. After the water conduit 5 is introduced, the upper end of the water conduit 5 penetrates the second opening 241, the second flow channel 232 is formed between the outer peripheral surface of the water conduit 5 and the inner surface of the first filter element 3 at an interval, and the third flow channel 233 is formed between the outer peripheral surface of the water conduit 5 and the peripheral edge of the second opening 241 at an interval, in this embodiment, the third flow channel 233 communicates the second flow channel 232 and the first water outlet.
In this embodiment, referring to fig. 3, the first filter element 3 is a front filter element, and the second filter element 4 is a rear filter element; the specific water purification process of the composite filter element is as follows: the water to be filtered enters the first filter cavity 23 through the first water inlet of the filter element joint 11, flows out from the first water outlet of the filter element joint 11 after coarse filtration of the first filter element 3, enters the second filter cavity 13 through the second water inlet of the filter element joint 11, and flows out from the second water outlet of the filter element joint 11 after fine filtration of the second filter element 4. Of course, in other embodiments, the first filter element 3 can be a rear filter element, and the second filter element 4 can be a front filter element, but the design is not limited thereto.
In order to prevent the condition of crossing water between the first filter chamber 23 and the second filter chamber 13 of composite filter element, the utility model discloses the leakproofness to between each structure in the composite filter element has carried out relevant improvement: firstly, a barrel cover 212 joint extends upwards from the periphery of a first opening 212a of the barrel cover 212, an upper cover 24 joint extends upwards from the periphery of a second opening 241 of the upper cover 24, sealing ring edges are correspondingly arranged on the inner side surface of the filter element joint 11 corresponding to the barrel cover 212 joint, the upper cover 24 joint and the upper end of the water guide pipe 5, and the sealing ring edge is also arranged on the upper side surface of the separation disc 22 corresponding to the lower end of the water guide pipe 5; in this embodiment, a sealing structure is further provided between each sealing ring edge and the corresponding connecting structure, for example, but not limited to, the sealing structure is a combination of a sealing ring groove and an elastic sealing ring; second, the inner tub 21 body 211 and the separating disc 22 are integrally formed, and the annular water guiding portion and the separating disc 22 are also integrally formed, but in other embodiments, the separating disc 22 and the inner tub 21 body 211 may be detachably connected, and the design is not limited thereto.
The utility model discloses a promote the dismouting convenience of each structure in the composite filter element better, still carried out following relevant improvement: an annular slot is formed on the outer edge of the filter element joint 11, and the open end of the outer barrel 12 is in sealed insertion connection with the annular slot, so that a user can conveniently disassemble and assemble the filter element joint 11, and the convenience of the user in maintaining or replacing the filter element joint 11 is improved; secondly, a sealing slot 212d is formed on the periphery of the lower side surface of the barrel cover 212, and the upper open end of the body 211 of the inner barrel 21 is hermetically inserted in the sealing slot 212d, so that the barrel cover 212 is convenient for a user to disassemble and assemble, and the convenience for the user to replace the first filter element 3 is improved; of course, in other embodiments, the barrel cover 212 may be integrally formed with the inner barrel 21 body 211.
In addition, referring to fig. 2, in order to improve the reliability of the installation of the cover 212, in this embodiment, a plurality of supporting ribs 212c are further protruded on the outer side surface of the cover 212, and the outer side surface of the supporting ribs 212c is disposed in contact with the inner side surface of the filter element joint 11; of course, in other embodiments, the outer side surface of the supporting rib 212c may be disposed in contact with the inner wall surface of the outer tub 12, and the design is not limited thereto.
Further, at least one of the first filter element 3 and the second filter element 4 comprises at least two stages of filter materials. The filter element is arranged in such a way, so that the filtering effect of the composite filter element can be effectively improved, or different water purifying requirements of users can be met; for example, in the existing water purifying equipment only adopting granular filter materials, a user often finds that the filter material particles are contained in the first cup of water in the using process, and the drinking experience of the user is seriously influenced; in this embodiment, the first filter element 3 and/or the second filter element 4 are configured to include a granular filter material and a roll-up filter material, and the roll-up filter material is located at the rear side of the water path of the granular filter material, so that the roll-up filter material can effectively block filter material particles, thereby avoiding the above problems.
Further, in this embodiment, at least two stages of filter materials corresponding to the same filter element are cylindrical and arranged in a radial direction. It can be understood, so set up, only need radially cut apart into the different filter media of two-stage with the tube-shape filter core that is made by single filter media before, to former water route almost no influence, reduced the holistic design degree of difficulty of composite filter core, improved composite filter core's production efficiency, the mode of radially arranging moreover can also make full use of the radial space of separating the dish 22 below, avoids increasing composite filter core's overall height. It should be noted that the design is not limited to this, and in other embodiments, at least two stages of filter materials corresponding to the same filter element are cylindrical and arranged in the vertical direction.
In this embodiment, referring to fig. 3, the first filter element 3 is a front filter element, and the second filter element 4 is a rear filter element, so that the second filter element 4 should have a better filtering effect compared to the first filter element 3, and thus the second filter element 4 is configured to be composed of at least two kinds of filter materials. In the present embodiment, the second filter element 4 includes an outer filter medium 41 and an inner filter medium 42, and preferably, the outer filter medium 41 is a granular filter medium and the inner filter medium 42 is a coiled filter medium. In this embodiment, the outer filter material 41 is a carbon rod, and the inner filter material 42 is PP cotton, so that the water to be filtered entering the second filter chamber 13 is accompanied by carbon powder after passing through the carbon rod, but the carbon powder is filtered by the PP cotton in the process of continuously passing through the PP cotton, thereby effectively avoiding the problem that the first cup of water is black when a user drinks water. Of course, in other embodiments, the outer filter 41 may be other granular filter, and the inner filter 42 may be other coiled filter, but the present design is not limited thereto. In this embodiment, the lower end of the water conduit 5 is disposed in contact with the upper peripheral edge of the water through hole 221 of the separating disc 22 to communicate with the inner space of the inner filtering material 42, but the design is not limited thereto, and the lower end of the water conduit 5 may also penetrate through the separating disc 22 to extend into the inner space of the inner filtering material 42 in other embodiments.
It can be understood that, in the embodiment, in order to solve the problem that the coiled filter medium is made of a flexible material and is easily attached to the outer circumferential surface of the water conduit 5, the outer circumferential surface of the water conduit 5 is convexly provided with a plurality of strip-shaped ribs 51, the extending direction of the strip-shaped ribs 51 is consistent with the axial direction of the water conduit 5, the upper ends of the strip-shaped ribs 51 are abutted against the periphery of the second opening 241, and the outer side surfaces of the strip-shaped ribs 51 can be effectively abutted against the inner side surface of the coiled filter medium to prevent the strip-shaped ribs from being attached to the outer circumferential surface of; of course, in other embodiments, the outer peripheral surface of the water conduit 5 may be further provided with other rib structures, and the design is not limited thereto. In this embodiment, the water conduit 5 and the upper cover 24 are integrally formed to effectively simplify the overall structure of the composite filter element, and of course, in other embodiments, the water conduit 5 and the upper cover 24 may be separately formed, which is not limited to this design.
Example 2
According to another embodiment of the present invention, referring to fig. 6 to 10, the difference from embodiment 1 is that the filter element assembly does not include the lower cover 6, but includes a filter barrel 7, the upper end of the filter barrel 7 is fixed to the separation disc 22 in a sealing manner, the second filter chamber 13 is formed in the filter barrel 7, the outer wall surface of the filter cartridge and the separation assembly 2 and the inner wall surface of the housing 1 form the sixth flow channel 131 at an interval, and the second filter element 4 is disposed in the second filter chamber 13. It can be understood that so set up, on the one hand, improve the installation convenience of second filter core 4, on the other hand, 7 inside waterways that can form of lauter tub to realize the variety of the multistage filter media of second filter core 4 and arrange.
Further, the bottom wall of the filtering barrel 7 is provided with a water passing hole 71 for communicating the sixth flow channel 131 with the inside of the filtering barrel 7, in this embodiment, the water passing hole 71 is a water inlet for the water to be filtered to enter the filtering barrel 7, and of course, in other embodiments, the water passing hole 71 may also be a water outlet for the water to be filtered to flow out from the filtering barrel 7; the bottom end face of the second filter element 4 is covered at the water passing opening 71, so as to better ensure that the second filter element 4 fully plays a role in filtering, and simultaneously prevent the water to be filtered from directly reaching the water guide pipe 5 without passing through the second filter element 4. It should be noted that the design is not limited to this, and in other embodiments, the water outlet 71 is disposed on the sidewall of the filter vat 7. In the present embodiment, the shape of the water passing opening 71 is not limited, and may be either a hole shape or a slit shape.
The utility model discloses still provide a water purification unit, this water purification unit include composite filter element, and this composite filter element's concrete structure refers to above-mentioned embodiment, because this water purification unit has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (12)

1. A filter element assembly is used for a composite filter element and is characterized by comprising a first filter element, a second filter element and an isolation assembly, wherein a first filter cavity is formed in the isolation assembly;
the first filter element is positioned in the first filter cavity, and the second filter element is positioned outside the first filter cavity and is arranged above or below the isolation assembly; wherein,
at least one of the first filter element and the second filter element comprises at least two stages of filter materials, and the at least two stages of filter materials are cylindrical and are arranged in the radial direction.
2. The filter element assembly according to claim 1, wherein said second filter element comprises said at least two stages of filter material.
3. The filter element assembly of claim 1, wherein said at least two stages of filtration for a same filter element comprise convoluted filtration and granular filtration.
4. The filter element assembly according to any one of claims 1 to 3, wherein the partition assembly comprises an inner barrel and a partition plate sealingly fixed to a lower end of the inner barrel, the second filter element being mounted below the partition assembly.
5. The filter element assembly according to claim 4, wherein the isolating assembly further comprises a lid and an upper cover, the lid is sealingly fixed to the upper end of the inner barrel, the lid is provided with a first opening, the upper cover is provided in the first opening, the upper cover is provided with a second opening, a first flow channel is formed at an interval between the inner side surface of the lid and the outer side surface of the upper cover, and the inner space of the first filter element is communicated with the second opening to form a second flow channel.
6. The filter element assembly according to claim 5, further comprising a water conduit, wherein the upper end of the water conduit passes through the second opening, the second flow channel is formed between the outer circumferential surface of the water conduit and the inner space of the first filter element, a third flow channel is formed between the outer circumferential surface of the water conduit and the circumferential edge of the second opening, and the third flow channel is communicated with the second flow channel;
the lower end of the water guide pipe penetrates through the separation disc, or a water through hole corresponding to the water guide pipe is formed in the separation disc, and the lower end of the water guide pipe is abutted against the upper periphery of the water through hole so as to be communicated with the inner side space of the second filter element.
7. The filter element assembly according to claim 4, further comprising a lower cover positioned on an underside of the separating tray, the second filter element being mounted between the lower cover and the separating tray.
8. The filter element assembly according to claim 7, wherein the end surface of the first filter element is in sealing engagement with the inner wall surface of the inner barrel, the upper end surface of the second filter element is in sealing engagement with the lower wall surface of the separating wall, and the lower end surface of the second filter element is in sealing engagement with the upper side surface of the lower cover.
9. The filter element assembly according to claim 4, further comprising a filter barrel, wherein the separating disc is hermetically fixed at the upper end of the filter barrel, a second filter cavity is formed in the filter barrel, the second filter element is arranged in the second filter cavity, and a water passing port communicated with the second filter cavity is formed in the side wall or the bottom wall of the filter barrel.
10. A composite filter element for water purifying equipment, which is characterized by comprising a shell and the filter element assembly as claimed in any one of claims 1 to 8, wherein the filter element assembly is arranged in the shell, a second filter cavity is formed between the inner wall surface of the shell and the outer wall surface of the isolation assembly, and the first filter cavity and the second filter cavity are independent; the second filter element is arranged in the second filter cavity.
11. A composite filter element for water purifying equipment, which is characterized by comprising a shell and the filter element assembly as claimed in claim 9, wherein the filter element assembly is arranged in the shell, and a flow passage communicated with the water passing opening is formed between the inner wall surface of the shell and the outer wall surfaces of the isolation assembly and the filter barrel.
12. A water purification apparatus comprising a composite cartridge as claimed in claim 10 or 11.
CN201820623559.3U 2018-04-27 2018-04-27 Element kit, composite filter element and purifier Withdrawn - After Issue CN208372625U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820623559.3U CN208372625U (en) 2018-04-27 2018-04-27 Element kit, composite filter element and purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820623559.3U CN208372625U (en) 2018-04-27 2018-04-27 Element kit, composite filter element and purifier

Publications (1)

Publication Number Publication Date
CN208372625U true CN208372625U (en) 2019-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820623559.3U Withdrawn - After Issue CN208372625U (en) 2018-04-27 2018-04-27 Element kit, composite filter element and purifier

Country Status (1)

Country Link
CN (1) CN208372625U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110404329A (en) * 2018-04-27 2019-11-05 芜湖美的厨卫电器制造有限公司 Element kit, composite filter element and purifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110404329A (en) * 2018-04-27 2019-11-05 芜湖美的厨卫电器制造有限公司 Element kit, composite filter element and purifier
CN110404329B (en) * 2018-04-27 2024-02-20 芜湖美的厨卫电器制造有限公司 Filter element assembly, composite filter element and water purification equipment

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