CN209322575U - A kind of composite filter element for integrating a variety of filter cores - Google Patents
A kind of composite filter element for integrating a variety of filter cores Download PDFInfo
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- CN209322575U CN209322575U CN201821690158.6U CN201821690158U CN209322575U CN 209322575 U CN209322575 U CN 209322575U CN 201821690158 U CN201821690158 U CN 201821690158U CN 209322575 U CN209322575 U CN 209322575U
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Abstract
A kind of composite filter element for integrating a variety of filter cores, including filter head, filter element shell, PP cotton filter element, preposition activated filtration core and post active carbon filter core；Filter head is equipped with the first water inlet, the second water outlet, the second water inlet, the first water outlet, first chamber, second chamber, third chamber and the 4th chamber, wherein, first water inlet is connected to first chamber, first water outlet is connected to second chamber, second water inlet and third chamber, the second water outlet and the 4th chamber；First chamber is connected to PP cotton filter element outer wall, and second chamber is connected to preposition activated filtration core inner wall, and third space is connected to post active carbon filter core outer wall, and the 4th chamber is connected to post active carbon filter core inner wall.The utility model is simple and reasonable, reliable performance, water route is unobstructed, water flowing performance is strong.
Description
Technical field
The utility model relates to a kind of filter core of water purifier, in particular to a kind of composite filter element for integrating a variety of filter cores.
Background technique
It is living that PP cotton filter element, preposition activated filtration core, RO reverse osmosis membrane filter element and postposition are typically provided on existing water purifier
Property filtration core, by the filtration of multiple filter cores make raw water realize effectively filtering, drink requirement to reach；Traditional structure is each
A filter core is individually arranged, this results in water purifier overall volume larger, occupies quite a lot of space, therefore want to installation site
Ask higher, in addition, biggish volume is unfavorable for transporting and carry；In view of the above-mentioned problems, occurring composite filter element in the market, lead
If more than two filter cores therein are integrated into one, and then greatly reduce overall volume.Such as: Chinese patent literature number
CN205528031U disclosed a kind of composite filter element on August 31st, 2016, and specifically disclosed: described including filter element body
Front filter element and postposition filter core are equipped in filter element body, filter element body also respectively corresponds front filter element and postposition filter core equipped with preposition
Filtration channel and postposition filtration channel, prefilter channel and postposition filtration channel are mutually indepedent；The filter element body is also distinguished
Corresponding front filter element and postposition filter core are equipped with the first shell and second housing, and front filter element is cylindrical in shape, outside front filter element and first
Preposition intake antrum is formed between shell inner wall, front filter element central lumen forms preposition water chamber, preposition intake antrum and preposition water outlet
Chamber collectively forms the prefilter channel；Postposition filter core is cylindrical in shape, and forms postposition between postposition filter core and second housing inner wall
Intake antrum, postposition filter core central lumen form postposition water chamber, and postposition intake antrum and postposition water storage cavity collectively form the postposition
Filtration channel.Structure is complicated for the composite filter element of the structure, and is not easy to replace internal filter core at any time, and the use of user embodies
It is poor.
Therefore, it is necessary to be further improved.
Utility model content
The purpose of the utility model is to provide it is a kind of it is simple and reasonable, reliable performance, water route is unobstructed, water flowing performance is strong
The a variety of filter cores of integration composite filter element, to overcome shortcoming in the prior art.
By a kind of composite filter element for integrating a variety of filter cores that this purpose designs, filter head including the assembly that is fitted to each other and
Filter element shell；It is characterized by also including be respectively arranged at the PP cotton filter element of filter element shell inner cavity, preposition activated filtration core and after
Active carbon filter core is set, PP cotton filter element is surrounded on preposition activated filtration core periphery；The filter head is equipped with the first water inlet, the
Two water outlets, the second water inlet, the first water outlet, first chamber, second chamber, third chamber and the 4th chamber, wherein first
Water inlet is connected to first chamber, and the first water outlet is connected to second chamber, and the second water inlet and third chamber, second goes out
The mouth of a river and the 4th chamber, the first water outlet are used to be connected to the water inlet end of the reverse osmosis filter core of external RO, and the second water inlet is used
In the water outlet for being connected to the external reverse osmosis filter core of RO；There is the first gap between the filter element shell and PP cotton filter element outer wall, the
One chamber is connected to by the first gap with PP cotton filter element outer wall；It is provided with outer tube in the middle part of the preposition activated filtration core, it is preposition
There is the second gap between active carbon filter core inner wall and outer tube, second chamber passes through the second gap and preposition activated filtration core inner wall
Connection；It is equipped with inner sleeve in the middle part of the outer tube, there is third space, third chamber and third space between outer tube and inner sleeve
Connection；There is the 4th gap between the filter element shell and post active carbon filter core outer wall, third space is by the 4th gap with after
Set the connection of active carbon filter core outer wall；The post active carbon filter core inner wall is connected to the centre bore on inner sleeve, and the 4th chamber is logical
Centre bore is crossed to be connected to post active carbon filter core inner wall.
The first water part, the first water part and filter core are provided at the top of the PP cotton filter element and/or preposition activated filtration core
There is First Transition gap between top cover and/or filter element shell, first chamber is connected to by First Transition gap with the first gap.
First water part and second chamber grafting, and the first water part is equipped with the first limbers, the second gap is logical
The first limbers is crossed to be connected to second chamber.
Connector, connector and outer tube grafting are provided in the filter element shell, outer tube one end and third chamber are inserted
It connects, connector is equipped with the second limbers, and third chamber is connected to by the second limbers with third space.
Described inner sleeve one end and connector grafting, connector are equipped with third limbers, and third limbers is respectively with the
Four chambers are connected to the centre bore on inner sleeve.
The PP cotton filter element and/or preposition activated filtration core bottom are provided with the second water part, the outer tube other end and
Two water part grafting, the second water part be equipped with the 4th limbers, the inner sleeve other end run through the 4th limbers, and inner sleeve with
There is the second transition gap between 4th limbers, third space is connected to by the second transition gap with the 4th gap.
The post active carbon filter core is located at below PP cotton filter element and/or preposition activated filtration core, post active carbon filter core
Top is provided with third water part, and the second water part is mutually assembled with third water part, the inner sleeve other end and the second water part
Grafting；The third water part is equipped with interconnected the 5th limbers and guiding gutter, and the second transition gap passes sequentially through the
Five limbers and guiding gutter are connected to the 4th gap；The third water part is equipped with the center on the 6th limbers and inner sleeve
Hole connection.
The third water part is equipped with convex platform, convex platform and the grafting of post active carbon filter core；The post active carbon
Filter core bottom is provided with water shutoff end cap, and water shutoff end cap is equipped with lower convex platform, lower convex platform and the grafting of post active carbon filter core.
The filter element shell inner wall is equipped with several convex ribs, and third water part is supported on convex ribs；The filter head and filter
Core shell body is mutually detachably connected with.
First water inlet, the second water outlet, the second water inlet and the first water outlet are successively arranged side by side；Described first
Chamber, second chamber and third chamber are arranged in a ring respectively, wherein first chamber is surrounded on the outside of second chamber, the second chamber
Room is surrounded on the outside of third chamber, and third chamber is surrounded on the outside of the 4th chamber；First water inlet, the second water outlet,
Two water inlets, the first water outlet, first chamber, second chamber, third chamber and/or the 4th chamber by filter head one at
Type.
The utility model can effectively by PP cotton filter element, preposition activated filtration core and post active carbon filter core respectively integral into
In one composite filter element, realize three-in-one；Although this composite filter element volume is tiny, it is provided simultaneously with PP cotton filter element, preposition activated
Filtration core and post active carbon filter core effect can be substantially reduced the volume of water purifier entirety under the premise of ensuring water purification quality,
Since the volume of water purifier is minimized, so facilitating installation, transport and carrying, the lesser position in space can be installed on；This
Outside, composite filter element internal structure advantages of simple, specifically using between each components gap and each water part on lead to accordingly
Pore structure makes to form unimpeded, unidirectional water route inside composite filter element, effectively guides water body transport, it is ensured that water body transport is unobstructed, protects
Demonstrate,prove water-flowing amount；In addition, each water part can easy removal, be greatly convenient for changing corresponding filter core, it is easy to use, user use body
It is now good.
Detailed description of the invention
Fig. 1 is the assembling stereogram of an embodiment of the present invention.
Fig. 2 is the assembling main view of an embodiment of the present invention.
Fig. 3 is the assembling right view of an embodiment of the present invention.
Fig. 4 is the cross-sectional view in the direction A-A in Fig. 2.
Fig. 5 is the cross-sectional view in the direction B-B in Fig. 2.
Fig. 6 is the cross-sectional view in the direction C-C in Fig. 3.
Fig. 7 is the structural schematic diagram of filter head in an embodiment of the present invention.
Fig. 8 is the structural schematic diagram (broken section) of filter element shell in an embodiment of the present invention.
Fig. 9 is the structural schematic diagram of connector in an embodiment of the present invention.
Figure 10 is the structural schematic diagram of outer tube in an embodiment of the present invention.
Figure 11 is the structural schematic diagram (broken section) of the first water part in an embodiment of the present invention.
Figure 12 is the structural schematic diagram (broken section) of the second water part in an embodiment of the present invention.
Figure 13 and Figure 14 is respectively the structural schematic diagram of third water part different direction in an embodiment of the present invention.
Figure 15 is the structural schematic diagram of water shutoff end cap in an embodiment of the present invention.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1-Figure 15, this integrates the composite filter element of a variety of filter cores, filter head 1 and filter including the assembly that is fitted to each other
Core shell body 8 and the PP cotton filter element 7, preposition activated filtration core 6 and post active carbon filter core for being respectively arranged at 8 inner cavity of filter element shell
11, wherein it is integral that PP cotton filter element 7 is surrounded on preposition activated 6 periphery shape of filtration core；Filter head 1 is equipped with the first water inlet
Mouth the 1.1, second water outlet 1.2, the second water inlet 1.3, the first water outlet 1.4, first chamber 1.5, second chamber 1.6, third
Chamber 1.7 and the 4th chamber 1.8, the first water inlet 1.1, the second water outlet 1.2, the second water inlet 1.3 and the first water outlet
1.4 are respectively used to corresponding water route interface in connection plate of water route；First water inlet 1.1 is connected to first chamber 1.5, and first goes out
The mouth of a river 1.4 is connected to second chamber 1.6, and the second water inlet 1.3 is connected to third chamber 1.7, the second water outlet 1.2 and the 4th
Chamber 1.8 is connected to；First water outlet 1.4 is used to be connected to the water inlet end of the reverse osmosis filter core of external RO, and the second water inlet 1.3 is used for
It is connected to the water outlet of the reverse osmosis filter core of external RO；There is the first gap of sleeve-shaped between 7 outer wall of filter element shell 8 and PP cotton filter element
8.1, first chamber 1.5 is connected to by the first gap 8.1 with 7 outer wall of PP cotton filter element；Preposition activated 6 middle part compartment of filtration core
It is provided with outer tube 5, there is the second gap 6.1 of sleeve-shaped, second chamber between preposition activated 6 inner wall of filtration core and outer tube 5
1.6 are connected to by the second gap 6.1 with preposition activated 6 inner wall of filtration core；5 middle part compartment of outer tube is equipped with inner sleeve 3, housing
There is the third space 5.1 of sleeve-shaped between pipe 5 and inner sleeve 3, third chamber 1.7 is connected to third space 5.1；Filter element shell 8
Have the 4th gap 8.2 of sleeve-shaped between 11 outer wall of post active carbon filter core, third space 5.1 by the 4th gap 8.2 with
The connection of 11 outer wall of post active carbon filter core；11 inner wall of post active carbon filter core is connected to the centre bore 3.1 on inner sleeve 3, and the 4th
Chamber 1.8 is connected to by centre bore 3.1 with 11 inner wall of post active carbon filter core.First water route: water body successively passes through the first water inlet
Mouth 1.1, first chamber 1.5, the first gap 8.1, PP cotton filter element, preposition activated filtration core, the second gap 6.1, second chamber
1.6 and first water outlet 1.4；Second water route: successively pass through the second water inlet by the water body of the external reverse osmosis filter core of RO
1.3, third chamber 1.7, third space 5.1, the 4th gap 8.2, post active carbon filter core 11, centre bore 3.1, the 4th chamber
1.8 and second water outlet 1.2.Effectively water body can be guided to transport by assigned direction by unobstructed water route, and then guarantee that water body exists
Successively pass through PP cotton filter element 7, preposition activated filtration core 6 and post active carbon filter core 11 in composite filter element, guarantees the normal of water body
Water purification flow path, and the internal structure advantages of simple of this composite filter element ensure that well enough on the basis of guaranteeing that water route is unobstructed
Water-flowing amount, it is ensured that the purifying water effect of composite filter element.
Furtherly, Figure 11, PP cotton filter element 7 and 6 top cover type of preposition activated filtration core are provided with the first water guide
Part 4 has First Transition gap (not indicating in figure) between first water part 4 and filter head 1, and first chamber 1.5 passes through first
Transition gap is connected to the first gap 8.1.Specifically, the plane 4.3 on the first water part 4 and side 4.4 respectively with filter core top
The cooperation of 1 inner wall interval of lid, forms the First Transition gap；Side 4.4 be equipped with several first raised lines 4.2, effectively every
1 inner wall of side 4.4 and filter head is opened, and then forms part First Transition gap.
Furtherly, the first water part 4 and 1.6 grafting of second chamber, and the first water part 4 is equipped with the first limbers
4.1, the second gap 6.1 is connected to by the first limbers 4.1 with second chamber 1.6.Specifically, have at the top of the first water part 4
One connecting column 4.5, the first water part 4 pass through the first connecting column 4.5 and 1.6 grafting of second chamber, 4.1 annular of the first limbers
It is distributed in 4.5 inside of the first connecting column.
Furtherly, referring to Fig. 9, connector 2,2 apical lateral of connector and the 4th chamber are provided in filter element shell 8
1.8 grafting, 2 Basolateral of connector and 5 inside top grafting of outer tube, 5 apical lateral of outer tube and third chamber 1.7 are inserted
Connect, 2 bottom end side annular of connector is evenly equipped with several second limbers 2.1, third chamber 1.7 by the second limbers 2.1 with
Third space 5.1 is connected to；First pilot hole 4.6 of the outer tube 5 through 4.5 inside of the first connecting column.
Furtherly, 3 apical lateral of inner sleeve and the inside grafting of 2 bottom end of connector, 2 top center of connector are equipped with third
Limbers 2.2, third limbers 2.2 are connected to the centre bore 3.1 in the 4th chamber 1.8 and inner sleeve 3 respectively.
Furtherly, Figure 12, PP cotton filter element 7 and 6 bottom cover type of preposition activated filtration core are provided with the second water guide
Part 9,5 Basolateral of outer tube are plugged with the groove 9.2 on the second water part 9, and four-way is equipped at 9 center of the second water part
Water hole 9.1,3 lower part compartment of inner sleeve run through the 4th limbers 9.1, and 3 outer wall of inner sleeve and 9.1 inner wall of the 4th limbers it
Between have the second transition gap, third space 5.1 is connected to by the second transition gap with the 4th gap 8.2.
Furtherly, referring to Figure 13 and Figure 14, post active carbon filter core 11 is located at PP cotton filter element 7 and preposition activated filtration core
6 lower sections, 11 top cover type of post active carbon filter core are provided with third water part 10, the second water part 9 and third water part 10
Seal against each other formula assembly, 10.6 grafting of the second pilot hole on 3 bottom end of inner sleeve and third water part 10；On third water part 10
Equipped with the 5th interconnected limbers 10.1 and guiding gutter 10.4, the second transition gap passes sequentially through 10.1 He of the 5th limbers
Guiding gutter 10.4 is connected to the 4th gap 8.2；During third water part 10 is equipped on the 6th limbers 10.2 and inner sleeve 3
Heart hole 3.1 is connected to；10 inner sidewall of third water part be equipped with several second raised lines 10.5, it is ensured that 10 inner sidewall of third water part with
11 outer wall of post active carbon filter core separates, and guarantees that the second transition gap is connected to the 4th gap 8.2.
Furtherly, 10 bottom center of third water part is equipped with convex platform 10.3, and convex platform 10.3 and post active carbon are filtered
The inner hole grafting in 11 center of core；11 bottom cover type of post active carbon filter core is provided with water shutoff end cap 12,12 top of water shutoff end cap
Center is equipped with lower convex platform 12.1, the inner hole grafting in 11 center of lower convex platform 12.1 and post active carbon filter core.
Furtherly, wall circular is evenly equipped with several convex ribs 8.3 in filter element shell 8, and third water part 10 is supported on convex ribs 8.3
On；Filter head 1 is mutually detachably connected with filter element shell 8, filter element shell 8 be top opening, the closed cylindrical container in bottom,
Filter head 1 is assemblied in 8 top of filter element shell.
Furtherly, the first water inlet 1.1, the second water outlet 1.2, the second water inlet 1.3 and the first water outlet 1.4 be successively
It is arranged side by side；First chamber 1.5, second chamber 1.6 and third chamber 1.7 are arranged in a ring respectively, wherein first chamber 1.5
It is surrounded on 1.6 outside of second chamber, second chamber 1.6 is surrounded on 1.7 outside of third chamber, and third chamber 1.7 is surrounded on the 4th
1.8 outside of chamber；First water inlet 1.1, the second water outlet 1.2, the second water inlet 1.3, the first water outlet 1.4, first chamber
1.5, second chamber 1.6, third chamber 1.7 and the 4th chamber 1.8 are integrally formed by filter head 1 respectively.
The above-mentioned preferred embodiment for the utility model, has been shown and described the basic principles and main features of the utility model
And the advantages of the utility model.Those skilled in the art should be recognized that the present utility model is not limited to the above embodiments, on
It states and only illustrates the principles of the present invention described in embodiment and specification, do not departing from the spirit and scope of the utility model
Under the premise of the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical new
Within the scope of type.The utility model requires protection scope is defined by appended claims and its equivalent.
Claims (10)
1. a kind of composite filter element for integrating a variety of filter cores, filter head (1) and filter element shell (8) including the assembly that is fitted to each other；
It is characterized by also including be respectively arranged at the PP cotton filter element (7) of filter element shell (8) inner cavity, preposition activated filtration core (6) and after
It sets active carbon filter core (11), PP cotton filter element (7) is surrounded on preposition activated filtration core (6) periphery；The filter head (1) is equipped with
First water inlet (1.1), the second water outlet (1.2), the second water inlet (1.3), the first water outlet (1.4), first chamber
(1.5), second chamber (1.6), third chamber (1.7) and the 4th chamber (1.8), wherein the first water inlet (1.1) and the first chamber
Room (1.5) connection, the first water outlet (1.4) are connected to second chamber (1.6), the second water inlet (1.3) and third chamber (1.7)
Connection, the second water outlet (1.2) are connected to the 4th chamber (1.8), and the first water outlet (1.4) is reverse osmosis for being connected to external RO
The water inlet end of filter core, the second water inlet (1.3) are used to be connected to the water outlet of the reverse osmosis filter core of external RO；The filter element shell
(8) have the first gap (8.1) between PP cotton filter element (7) outer wall, first chamber (1.5) passes through the first gap (8.1) and PP cotton
The connection of filter core (7) outer wall；It is provided with outer tube (5) in the middle part of the preposition activated filtration core (6), in preposition activated filtration core (6)
Have between wall and outer tube (5) the second gap (6.1), second chamber (1.6) passes through the second gap (6.1) and preposition activated carbon filtration
The connection of core (6) inner wall；Inner sleeve (3) are equipped in the middle part of the outer tube (5), are had between third between outer tube (5) and inner sleeve (3)
Gap (5.1), third chamber (1.7) are connected to third space (5.1)；The filter element shell (8) and post active carbon filter core (11)
There is the 4th gap (8.2) between outer wall, third space (5.1) passes through the 4th gap (8.2) and post active carbon filter core (11) outside
Wall connection；Post active carbon filter core (11) inner wall is connected to the centre bore (3.1) on inner sleeve (3), the 4th chamber (1.8)
It is connected to by centre bore (3.1) with post active carbon filter core (11) inner wall.
2. integrating the composite filter element of a variety of filter cores according to claim 1, it is characterised in that: the PP cotton filter element (7) and/or
It is provided with the first water part (4) at the top of preposition activated filtration core (6), the first water part (4) and filter head (1) and/or filter core
There is First Transition gap between shell (8), first chamber (1.5) is connected to by First Transition gap with the first gap (8.1).
3. integrating the composite filter element of a variety of filter cores according to claim 2, it is characterised in that: first water part (4) with
Second chamber (1.6) grafting, and the first water part (4) is equipped with the first limbers (4.1), the second gap (6.1) pass through first
Limbers (4.1) is connected to second chamber (1.6).
4. integrating the composite filter element of a variety of filter cores according to claim 3, it is characterised in that: set in the filter element shell (8)
It is equipped with connector (2), connector (2) and outer tube (5) grafting, outer tube (5) one end and third chamber (1.7) grafting, connection
Part (2) is equipped with the second limbers (2.1), and third chamber (1.7) is connected by the second limbers (2.1) and third space (5.1)
It is logical.
5. integrating the composite filter element of a variety of filter cores according to claim 4, it is characterised in that: described inner sleeve (3) one end with
Connector (2) grafting, connector (2) be equipped with third limbers (2.2), third limbers (2.2) respectively with the 4th chamber
(1.8) it is connected to the centre bore (3.1) on inner sleeve (3).
6. integrating the composite filter element of a variety of filter cores according to claim 5, it is characterised in that: the PP cotton filter element (7) and/or
Preposition activated filtration core (6) bottom is provided with the second water part (9), outer tube (5) other end and the second water part (9) grafting,
Second water part (9) is equipped with the 4th limbers (9.1), and inner sleeve (3) other end runs through the 4th limbers (9.1), and inner sleeve
There is the second transition gap between pipe (3) and the 4th limbers (9.1), third space (5.1) passes through the second transition gap and the 4th
Gap (8.2) connection.
7. integrating the composite filter element of a variety of filter cores according to claim 6, it is characterised in that: the post active carbon filter core
(11) it is located at below PP cotton filter element (7) and/or preposition activated filtration core (6), the is provided at the top of post active carbon filter core (11)
Three water parts (10), the second water part (9) and third water part (10) are mutually assembled, inner sleeve (3) other end and the second water guide
Part (9) grafting；The third water part (10) is equipped with interconnected the 5th limbers (10.1) and guiding gutter (10.4), the
Two transition gaps pass sequentially through the 5th limbers (10.1) and guiding gutter (10.4) is connected to the 4th gap (8.2)；The third
Water part (10) is equipped with the 6th limbers (10.2) and is connected to the centre bore (3.1) on inner sleeve (3).
8. integrating the composite filter element of a variety of filter cores according to claim 7, it is characterised in that: on the third water part (10)
Equipped with convex platform (10.3), convex platform (10.3) and post active carbon filter core (11) grafting；The post active carbon filter core (11)
Bottom is provided with water shutoff end cap (12), and water shutoff end cap (12) is equipped with lower convex platform (12.1), lower convex platform (12.1) and postposition activity
Filtration core (11) grafting.
9. integrating the composite filter element of a variety of filter cores according to claim 8, it is characterised in that: filter element shell (8) inner wall
Equipped with several convex ribs (8.3), third water part (10) is supported on convex ribs (8.3)；The filter head (1) and filter element shell
(8) it is mutually detachably connected with.
10. the composite filter element of any one of -9 a variety of filter cores of integration according to claim 1, it is characterised in that: described first into
The mouth of a river (1.1), the second water outlet (1.2), the second water inlet (1.3) and the first water outlet (1.4) are successively arranged side by side；Described
One chamber (1.5), second chamber (1.6) and third chamber (1.7) are arranged in a ring respectively, wherein first chamber (1.5) is surrounded
On the outside of second chamber (1.6), second chamber (1.6) is surrounded on the outside of third chamber (1.7), and third chamber (1.7) is surrounded on
On the outside of 4th chamber (1.8)；First water inlet (1.1), the second water outlet (1.2), the second water inlet (1.3), first go out
The mouth of a river (1.4), first chamber (1.5), second chamber (1.6), third chamber (1.7) and/or the 4th chamber (1.8) are by filter core top
(1) is covered to be integrally formed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690158.6U CN209322575U (en) | 2018-10-17 | 2018-10-17 | A kind of composite filter element for integrating a variety of filter cores |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821690158.6U CN209322575U (en) | 2018-10-17 | 2018-10-17 | A kind of composite filter element for integrating a variety of filter cores |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368826A (en) * | 2018-10-17 | 2019-02-22 | 佛山市顺德区盈沣泰环保科技有限公司 | A kind of composite filter element for integrating a variety of filter cores |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368826A (en) * | 2018-10-17 | 2019-02-22 | 佛山市顺德区盈沣泰环保科技有限公司 | A kind of composite filter element for integrating a variety of filter cores |
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