CN208553324U

CN208553324U - Composite filter element and purifier

Info

Publication number: CN208553324U
Application number: CN201821081916.4U
Authority: CN
Inventors: 陈伟明
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Priority date: 2018-07-09
Filing date: 2018-07-09
Publication date: 2019-03-01
Anticipated expiration: 2028-07-09

Abstract

It includes shell, barrier assembly, the first filter material, the second filter material and third filter material that the utility model, which discloses a kind of composite filter element and purifier, the composite filter element, has filter chamber in shell；Barrier assembly is set in filter chamber, and filter chamber is divided into mutually independent first filter chamber and the second filter chamber, and the first filter chamber has in intake tunnel, busway, secondary filter channel and the exhalant canal being sequentially communicated；Shell is equipped with the first water inlet being connected with intake tunnel and the first water outlet being connected with exhalant canal, is additionally provided with the second water inlet and the second water outlet being connected with the second filter chamber on shell；First filter material is set in intake tunnel, and between the first water inlet and busway；Second filter material is set in the second filter chamber, and between the second water inlet and the second water outlet；Third filter material is set in secondary filter channel.Technical solutions of the utility model improve the overall utilization rate of the first filter material in composite filter element.

Description

Composite filter element and purifier

Technical field

The utility model relates to purifier technical field, in particular to a kind of composite filter element and purifier.

Background technique

With the continuous promotion of people's living standard, people are also higher and higher to the requirement with water water quality, thus for example net The purifier of water dispenser one kind is also paid close attention to by people.Existing water purifier just gradually develops towards the mode of miniaturization, water purifier Interior multi-stage filter filtration system also tends to realize using the structure of composite filter element, and then reduces the same of filter core volume to reach When, the purpose of effects of purification quality can also be improved.

In order to meet user to the filtration needs of multiple-quality water, composite filter element inside can form mutually independent multiple filters Chamber realizes the filtering to different quality so that composite filter element has multiple mutually independent filtration channels.However, for For the composite filter element, filter material is located in corresponding filter chamber, and water flow is easy from the intake-outlet of filter chamber close on filter material Pass through at position, and circulation effect of the water flow at the other positions of filter material is poor, and then will lead to the overall utilization rate of filter material It is poor.

Utility model content

The main purpose of the utility model is to propose a kind of composite filter element, is used for purifier, it is intended to improve composite filter element The overall utilization rate of the first interior filter material.

To achieve the above object, the utility model proposes composite filter element include:

Shell inside has filter chamber；

Barrier assembly is set in the filter chamber, and the filter chamber is divided into mutually independent first filter chamber and the Two filter chambers, first filter chamber have logical in the intake tunnel, busway, secondary filter channel and the water outlet that are sequentially communicated Road；The shell is equipped with the first water inlet for being connected with the intake tunnel and is connected with the exhalant canal First water outlet is additionally provided with the second water inlet and the second water outlet being connected with second filter chamber on the shell；

First filter material is set in the intake tunnel, and between first water inlet and the busway；

Second filter material is set in second filter chamber, and between second water inlet and second water outlet； And

Third filter material is set in the secondary filter channel.

Preferably, first filter material has the both ends being oppositely arranged, and first water inlet is close to first filter material One end setting, the water inlet of the busway is arranged close to the other end of first filter material.

Preferably, the barrier assembly includes:

Middle bucket, is disposed in the housing, and the lower end of the middle bucket was equipped with the mouth of a river；

Converge bucket, is located in the shell, and be sheathed on the lower end of the middle bucket, is formed with the remittance in the confluence bucket Circulation road, the busway connection is described to cross the mouth of a river；And

Interior bucket is located in the middle bucket, second filter chamber, and the lower end surface of the interior bucket is formed with inside the interior bucket Interval is formed with the secondary filter channel between the lower end surface of the middle bucket；

Wherein, interval constitutes the intake tunnel, and the confluence bucket between the case inside and the middle bucket outside Positioned at the lower section of the intake tunnel；Interval constitutes the exhalant canal between on the outside of the interior bucket and on the inside of the middle bucket；Institute State the upstream connection mouth of a river excessively in secondary filter channel, exhalant canal described in the communicating downstream in the secondary filter channel.

Preferably, the third filter material is cylindrical in shape setting, the upper surface of the third filter material and the lower end surface of the interior bucket It seals against, the lower end surface of the third filter material and the lower end surface of the middle bucket seal against；

The inner space of the third filter material with it is described cross the mouth of a river be connected to, the exterior space of the third filter material and it is described out Aquaporin is connected.

Preferably, the lower end surface of the interior bucket is circumferentially extended with annular flange along it downward, and the third filter material is located at institute The inside of annular flange is stated, and there is gap between the outer peripheral surface of the third filter material and the inner peripheral surface of the annular flange；

The lower end of the middle bucket is convexly equipped with abutting rib up, and the abutting rib is abutted with the annular flange, with Make to limit water space between the annular flange and the middle bucket bottom end, the water space of crossing is to be connected to the convex annular Inside and outside edge.

Preferably, the composite filter element further includes first end cover and second end cover, and the first end cover is located at the third Between the upper surface of filter material and the lower end surface of the interior bucket, the first end cover and the upper surface sealing of the third filter material are supported It connects；

The second end cover be set to third filter material lower end surface and the middle bucket lower end surface between, the second end cover with The lower end surface of the third filter material abuts, and the second end cover corresponds to the mouth of a river of crossing and offers the first opening, and described first opens The mouth connection inner space for crossing the mouth of a river and the third filter material.

Preferably, the second end cover is extended with the first drainage interface along the edge of first opening downward, and described the One drainage sealing joint crosses the mouth of a river through described, so that busway described in the first drainage orifice and third filter The inner space of material.

Preferably, the third filter material is graininess filter material, and the composite filter element further includes set on the interior bucket and described Lauter tub between middle bucket, the inside of the lauter tub are filled with the third filter material, and the lower end direction of the lauter tub is extended with second Interface is drained, the second drainage sealing joint crosses the mouth of a river through described, by phase inside the busway and the lauter tub Connection；

The outer peripheral surface of the lauter tub is equipped with the second opening at the position of the upper end, goes out described in second open communication Inside aquaporin and the lauter tub.

Preferably, its circumferential direction of the lower end edge of the interior bucket is extended with annular flange downward, and the lauter tub is located at the annular Flange inner, and there is gap between the outer peripheral surface of the lauter tub and the inner peripheral surface of the annular flange；

Preferably, the confluence bucket includes:

Staving, upper end is in open setting；

Converge muscle, and the inner peripheral surface of the staving, week of the confluence muscle along the staving are set to along the axial direction of the staving It is equipped with to compartment of terrain multiple, forms collecting tray between the adjacent two confluence muscle, the upper end connection water inlet of the collecting tray Channel；

The outer surface of the middle bucket is abutted with the confluence muscle, and the lower end surface of the lower end surface of the middle bucket and the staving Between interval form confluence gap, the confluence gap is connected to described the mouth of a river, the lower end of the collecting tray and the confluence Gap is connected to form the busway.

Preferably, the shell includes:

Outer barrel, in open setting, the middle bucket and the confluence bucket are set in said tub for the upper end；

Filter core connector, is closed together in the upper end of said tub, and the filter core connector is equipped with first water inlet, institute State the first water outlet, second water inlet and second water outlet.

Preferably, first filter material is cylindrical in shape setting, and is sheathed on the outside of the middle bucket, first filter material it is interior There is gap between circumferential surface and the outer peripheral surface of the middle bucket；

The inner space of first filter material is connected to the busway, the exterior space of first filter material with it is described The connection of first water inlet.

Preferably, second filter material is cylindrical in shape setting, and the inner space of second filter material and second water outlet Mouth connection, the exterior space of second filter material are connected to second water inlet.

The utility model also proposes that a kind of purifier, including composite filter element, the composite filter element include shell, isolation group Part, the first filter material, the second filter material and third filter material, in which:

There is filter chamber in shell；Barrier assembly is set in the filter chamber, and the filter chamber is divided into independently of each other The first filter chamber and the second filter chamber, first filter chamber has logical in the intake tunnel, busway, the secondary filter that are sequentially communicated Road and exhalant canal；The shell be equipped with the first water inlet for being connected with the intake tunnel and with the water outlet The first water outlet that channel is connected is additionally provided with the second water inlet and second being connected with second filter chamber on the shell Water outlet；First filter material is set in the intake tunnel, and between first water inlet and the busway；Second Filter material is set in second filter chamber, and between second water inlet and second water outlet；Third filter material is set to In the secondary filter channel.

First filter material is arranged in intake tunnel technical solutions of the utility model, by the filtered purification of the first filter material Then water can flow to exhalant canal firstly the need of after busway is converged, be finally discharged from the first water outlet；Due to setting It is equipped with busway, which can will continue confluence of catchmenting by the purified water of the first filter material, and water to be clean can be equably Pass through from each position of the first filter material, i.e. each position of the first filter material is able to achieve preferable filter effect, and then is promoted The overall utilization rate of first filter material, to avoid the first filter material partial spent it is overweight caused by the first filter material bulk life time drop Low-risk is remarkably improved the filter effect of the first filter material, while also having ensured the normal working life of the first filter material；Meanwhile Since also there is also secondary filter channels for the first filter chamber, so that can also pass through third by the purified water that the first filter material filters Filter material realizes secondary filter, the effluent quality of the first water outlet can be further promoted, so that the purifying water effect of composite filter element obtains It is obviously improved.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model composite filter element；

Fig. 2 is the explosive view of composite filter element in Fig. 1；

Fig. 3 is the schematic diagram of internal structure of composite filter element in Fig. 1；

Fig. 4 is the structural schematic diagram of the support tub of composite filter element in Fig. 2；

Fig. 5 is the structural schematic diagram of the confluence bucket of composite filter element in Fig. 2；

Fig. 6 is the schematic diagram of internal structure of confluence bucket in Fig. 5；

Fig. 7 is the structural schematic diagram of the interior bucket of composite filter element in Fig. 2；

Fig. 8 is the schematic diagram of internal structure of interior bucket in Fig. 7；

Fig. 9 is the scheme of installation of third filter core and first end cover, second end cover in Fig. 2；

Figure 10 is the scheme of installation of the second filter core and upper end cover, lower cover in Fig. 2；

Figure 11 is the flow direction schematic diagram of composite filter element in Fig. 3；

Figure 12 is the schematic diagram of internal structure of another embodiment of the utility model composite filter element；

Figure 13 is the explosive view of composite filter element in Figure 12；

Figure 14 is the structural schematic diagram of the lauter tub of composite filter element in Figure 13；

Figure 15 is the flow direction schematic diagram of composite filter element in Figure 12.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of composite filter element, be suitable for purifier, wherein the purifier can for water purifier, The equipment of water purifier one kind, composite filter element are installed in purifier, to realize the filtration, purification to water quality.

In an embodiment of the utility model, referring to figs. 1 to Figure 11, which includes:

Shell 10 inside has filter chamber 100；

Barrier assembly 20 is set in the filter chamber 100, and the filter chamber 100 is divided into mutually independent first Filter chamber 130 and the second filter chamber 140, first filter chamber 130 have in be sequentially communicated intake tunnel 131, busway 132, Secondary filter channel 134 and exhalant canal 133；The shell 10 is equipped with first to be connected with the intake tunnel 131 Water inlet and the first water outlet being connected with the exhalant canal 133, are additionally provided on the shell 10 and second filter The second water inlet and the second water outlet that chamber 140 is connected；

First filter material 30 is set in the intake tunnel 131, and is located at first water inlet and the busway Between 132；

Second filter material 40 is set in second filter chamber 140, and is located at second water inlet and second water outlet Between；And

Third filter material 80 is set in the secondary filter channel 134.

Composite filter element 1 is mounted in purifier, mutually independent filtration channel there are two tools in the composite filter element 1, into And realize the filtering to multiple-quality water, to meet the water demand of the multiple-quality water of user.The composite filter element 1 specifically includes shell 10, barrier assembly 20, the first filter material 30, the second filter material 40 and third filter material 80, in which: filter chamber 100 is formed inside shell 10, And the filter chamber 100 is then divided into mutually independent first filter chamber 130 and the second filter chamber 140, i.e., the first filter by barrier assembly 20 Chamber 130 and the second filter chamber 140 are respectively provided with mutually independent runner, and Inlet and outlet water is not interfere with each other；First filter chamber 130 have according to It is secondary to be connected to intake tunnel 131, busway 132, secondary filter channel 134 and the exhalant canal 133 being arranged, it is set on shell 10 The first water outlet for being equipped with the first water inlet being connected with intake tunnel 131, being connected with exhalant canal 133, the first filter material 30 are arranged in intake tunnel 131, and third filter material 80 is arranged in secondary filter channel 134, in this way, 30 He of the first filter material Third filter material 80 forms the effect of multistage filtering in the first filter chamber 130, can improve purification of first filter chamber 130 to water quality Effect.For the first filter chamber 130, water to be clean enters intake tunnel 131 from the first water inlet, by the first filter material 30 It after filtering, flows to and enters secondary filter channel 134 behind busway 132, after the secondary filter using third filter material 80, finally First water outlet is flowed to by exhalant canal 133.The second water inlet and that the second filter chamber 140 is connected are additionally provided on shell 10 Two water outlets, the second filter material 40 are located in the second filter chamber 140, and between the second water inlet and the second water outlet, and such one Come, after water to be clean is from the second water inlet into the second filter chamber 140, after the filtering of the second filter material 40, passes through the second water outlet Mouth outflow.

First water inlet, the first water outlet, the position of the second water inlet and the second water outlet on the housing 10 can bases Depending on the internal structure of first filter chamber 130 and the second filter chamber 140, any position on shell 10 can be respectively set.Certainly, above-mentioned First water inlet, the first water outlet, the second water inlet and the second water outlet are preferably concentrated setting in one end of shell 10, so as to It is connected in water route, avoids water route connecting line in purifier excessively many and diverse.

It should be noted that in the above-described embodiments, for the first filter chamber 130, the setting of the first filter material 30 is being intake In channel 131, by the filtered purified water of the first filter material 30 firstly the need of by busway 132 converge after, then in energy Exhalant canal 133 is flowed to, is finally discharged from the first water outlet.Due to being provided with busway 132, which can be incited somebody to action Purified water by the first filter material 30 continues confluence of catchmenting, and in the process, water flow can be concentrated in busway 132, so that Hydraulic pressure increases in busway 132, so that flow velocity of the water flow by the first filter material 30 when is slowed down, so that water to be clean can Equably pass through from each position of the first filter material 30, i.e., so that each position of the first filter material 30 is able to achieve preferable filtering Effect, and then promote the overall utilization rate of the first filter material 30, to avoid the first filter material 30 partial spent it is overweight caused by the The bulk life time of one filter material 30 reduces risk, is remarkably improved the filter effect of the first filter material 30, while also having ensured the first filter The normal working life of material 30.

Further, since also there is also secondary filter channels 134 for the first filter chamber 130, so that by 30 mistake of the first filter material The purified water of filter can also realize secondary filter by third filter material 80, can further promote the effluent quality of the first water outlet, make The purifying water effect for obtaining composite filter element 1 is significantly improved.

In order to further increase the overall utilization rate of the first filter material 30, so that water to be clean can be more uniformly by the One filter material 30, in the present embodiment, for the first filter material 30, the first filter material 30 has the both ends being oppositely arranged, the first water inlet Mouth is arranged close to one end of the first filter material 30, and the water inlet of busway 132 is arranged close to the other end of the first filter material 30.Due to First water inlet and the water inlet of busway 132 are located at the two sides of the first filter material 30, in this way, water flow from first into When the mouth of a river flows to the water inlet of busway 132, water flow can more uniformly pass through the first filter material 30, avoid the first filter material 30 The too short defect of local lifetime, so that the overall utilization rate of the first filter material 30 is significantly improved.

Further, in the present embodiment, above-mentioned barrier assembly 20 includes middle bucket 210, confluence bucket 220 and interior bucket 230, In: middle bucket 210 is set in shell 10, and the lower end of middle bucket 210 was equipped with the mouth of a river 211；Confluence bucket 220 is located in shell 10, and covers It is formed with busway 132 in the lower end of middle bucket 210, the bucket 220 that converges, busway 132 was connected to the mouth of a river 211；Interior bucket 230 are located in middle bucket 210, the second filter chamber 140 are formed with inside interior bucket 230, and under the lower end surface of interior bucket 230 and middle bucket 210 Interval is formed with secondary filter channel 134 between end face；Interval constitutes intake tunnel between 210 outside of 10 inside of shell and middle bucket 131, and the bucket 220 that converges is located at the lower section of intake tunnel 131；Interval constitutes water outlet between 210 inside of 230 outside of interior bucket and middle bucket Channel 133；The upstream in secondary filter channel 134 was connected to the mouth of a river 211, the communicating downstream exhalant canal in secondary filter channel 134 133。

It is understood that the upper end of confluence bucket 220 is arranged in opening, confluence bucket 220 is set under middle bucket 210 End, converge bucket 220 and middle bucket 210 are arranged in together in shell 10, and interior bucket 230 is arranged in the inside of middle bucket 210, shell 10 it is interior The intake tunnel 131 being vertically arranged, the lateral surface of interior bucket 230 and middle bucket are formed between circumferential surface and the outer peripheral surface of middle bucket 210 The exhalant canal 133 being vertically arranged is formed between 210 medial surface, between the lower end of interior bucket 230 and the lower end of middle bucket 210 between Every constituting secondary filter channel 134, busway 132 is formed in the bucket 220 that converges.The busway 132 and intake tunnel 131 Lower end be interconnected；The remittance for crossing the mouth of a river 211 and converge in bucket 220 that the bottom of middle bucket 210 is arranged by its lower end surface Circulation road 132 is connected to, i.e., secondary filter channel 134 is connected to busway 132 and exhalant canal 133.

In the present embodiment, the first water inlet and the first water outlet are respectively positioned on the upper end of shell 10, water to be clean from first into The mouth of a river enters intake tunnel 131, and the purified water after the primary filtration of the first filter material 30 is by water flow pressure and itself weight The influence of power and flow downward, purified water is concentrated from busway 132, is converged, and then purified water is using busway 132 Into secondary filter channel 134, then after the secondary filter of third filter material 80, then travelled up to by exhalant canal 133 First water outlet realizes filter process of the water flow in the first filter chamber 130.

Further, referring to Fig. 2 and Fig. 3, and Fig. 5, Fig. 6 and Figure 11, in embodiment, above-mentioned confluence bucket 220 are combined It is preferred that having a structure in which

The bucket 220 that converges includes staving 221 and confluence muscle 222, and 221 upper end of staving is in open setting；Muscle 222 converge along staving 221 axial direction is set to the inner peripheral surface of staving 221, and confluence muscle 222 is multiple along being equipped with for staving 221 circumferentially-spacedly, and adjacent two converge It flows and forms collecting tray 223 between muscle 222；The outer surface of middle bucket 210 is abutted with confluence muscle 222, and the lower end surface of middle bucket 210 and bucket Interval forms confluence gap 224 between the lower end surface of body 221, and confluence gap 224 is connected to the mouth of a river 211 is crossed, under collecting tray 223 End is connected to confluence gap 224 to form busway 132；The upper end of collecting tray 223 is connected to intake tunnel 131, is converged with being formed The water inlet of circulation road 132.

When the bucket 220 that converges is set in the lower end of middle bucket 210, confluence muscle 222 can be abutted against with the outer surface of middle bucket 210, And then collecting tray 223 is formed between adjacent two confluences muscle 222；Wherein confluence muscle 222 can also be in the lower end surface of staving 221 towards mistake 211 direction of the mouth of a river extends, so that the collecting tray 223 formed can directly be connected with the mouth of a river 211 excessively；Or confluence muscle 222 It is provided only on the inner peripheral surface of staving 221, and interval is formed between confluence between the lower end surface of middle bucket 210 and the lower end surface of staving 221 Gap 224 realizes collecting tray 223 by confluence gap 224 and crosses the connection at the mouth of a river 211.Wherein, in the present embodiment, the preferably remittance Ebb interval 224 and collecting tray 223 are interconnected, and then form above-mentioned busway 132.

It should be noted that intake tunnel 131 is formed in the upside of confluence bucket 220, the upper end of collecting tray 223 can be with water inlet The water inlet that the connection of channel 131, the i.e. upper end of collecting tray 223 are busway 132.

Preferably converge in order to which the bucket 220 that guarantees to converge has, effect of catchmenting, in the present embodiment, the lower end surface court of staving 221 Under be extended with first interface 225, first interface 225 be connected to confluence gap 224, by setting first interface 225, and then in bucket The downside of body 221 forms certain space of converging of catchmenting, and then the concentration confluence for water flow of being more convenient for.The lower end surface of middle bucket 210 It is extended with second interface 212 downward along the mouth of a river 211 is crossed, second interface 212 is located in first interface 225, the diameter of second interface 212 It is less than the radial dimension of first interface 225 to size, and second interface 212 is connected with first interface 225, in order to water flow Pass through the secondary filter channel 134 in bucket 210 in the flow direction of second interface 212.

The structure in the secondary filter channel 134 of the present embodiment is used as below and is illustrated:

Secondary filter channel 134 is formed between the lower end of interior bucket 230 and the lower end of middle bucket 210, secondary filter channel 134 The mouth of a river 211 of crossing of upstream and middle 210 lower end of bucket be connected to, the downstream in secondary filter channel 134 is led to the water outlet in middle bucket 210 What road 133 was connected to.

Referring to Fig. 2 to Figure 11, in a preferred embodiment:

The third filter material 80 is preferably cylindrical in shape setting, and the upper surface of third filter material 80 is supported with the lower end surface sealing of interior bucket 230 It connects, the lower end surface of third filter material 80 and the lower end surface of middle bucket 210 seal against, in this way, the inside two sides of third filter material 80 are mutual Isolation, and the inner space of third filter material 80 is connected to the mouth of a river 211 is crossed, the exterior space and exhalant canal of third filter material 80 133 are connected.

It is understood that the water flow in busway 132 passed through the inside sky that the mouth of a river 211 flows into third filter material 80 Between, after the filtering of third filter material 80, water flow flows to first from the exterior space of third filter material 80 by exhalant canal 133 again Water outlet.

Further, due to having interval between interior bucket 230 and the lower end of middle bucket 210, in order to be carried out effectively to interior bucket 230 Support, the lower end surface of interior bucket 230 is circumferentially extended with annular flange 231 along it downward, and third filter material 80 is located at annular flange 231 Inside, and between the outer peripheral surface of third filter material 80 and the inner peripheral surface of annular flange 231 have gap；The lower end surface of middle bucket 210 It is convexly equipped with upward and abuts rib 214, abut rib 214 and abutted with annular flange 231, so that annular flange 231 and middle 210 bottom of bucket Water space 215 was limited between end, crossed water space 215 to be connected to inside and outside annular flange 231.

By the abutting of annular flange 231 and middle 210 lower end of bucket, it may make interior bucket 230 by the support of middle bucket 210, it can Effectively avoid that interior bucket 230 drops or interior bucket 230 the third filter material 80 such as damages by pressure risks.In order to avoid the obstruction of annular flange 231 Water flow flowing in secondary filter channel 134, abuts rib 214 by being convexly equipped with up in the lower end of middle bucket 210, so that ring Shape flange 231 is connected with rib 214 is abutted, and water space can be formed between annular flange 231 and the lower end surface of middle bucket 210 215, so guarantee 80 exterior space of third filter material water flow it is unimpeded, in order to by the filtered purified water of third filter material 80 to Exhalant canal 133 flows.

Further, for above-mentioned third filter material 80, for the ease of installing third filter material 80, the composite filter element 1 is also Including first end cover 80a and second end cover 80b, first end cover 80a is located at the upper surface of third filter material 80 and the lower end of interior bucket 230 Between face, first end cover 80a and the upper surface of third filter material 80 are sealed against；Second end cover 80b is set under third filter material 80 Between end face and the lower end surface of middle bucket 210, second end cover 80b is abutted with the lower end surface of third filter material 80, and second end cover 80b is corresponding It crosses the mouth of a river 211 and offers the first opening 802, the first opening 802 was connected to the inner space at the mouth of a river 211 and third filter material 80.Such as This one, can avoid third filter material 80 directly contact installation with middle bucket 210 and interior bucket 230, with reduction in bucket 210 and interior bucket 230 The accuracy of manufacture.

For first end cover 80a and second end cover 80b, third filter material 80 occurs radial inclined with respect to it in order to prevent It moves, first end cover 80a is extended with the third defining flange 801 being annularly arranged downward, which can be with the The inner peripheral surface and/or outer peripheral surface of three filter materials, 80 upper end abut, and then limit third filter material 80 relative to the movement of first end cover 80a； Similarly, second end cover 80b is extended with the 4th defining flange 804 being annularly arranged upward, and the 4th defining flange 804 can be with The inner peripheral surface and/or outer peripheral surface of three filter materials, 80 lower end abut, and then limit the movement of 80 opposite second end lid 80b of third filter material.

It is connected in order to facilitate the inner space of third filter material 80 with busway 132, in the present embodiment, second end cover 80b is extended with the first drainage interface 803 along the edge of the first opening 802 downward, and the first drainage sealing of interface 803 penetrates through the mouth of a river 211, so that the first drainage interface 803 is connected to the inner space of busway 132 and third filter material 80, in this way, can avoid It has water leakage between first opening 802 and the excessively mouth of a river 211, to prevent the water in busway 132 without third filter material 80 filtering and the risk that can directly flow to exhalant canal 133.

In the present embodiment, it should be noted that third filter material 80 is arranged in web-like, which can be PAC Roll paper filter material, PP cotton filter material, carbon-point or carbon fiber Compound filtering material etc..

Referring to Fig.1 2 to Figure 15, in a further preferred embodiment:

The third filter material 80 is preferably graininess filter material, and for the ease of third filter material 80 is arranged, composite filter element 1 further includes setting The inside of lauter tub 90 between interior bucket 230 and middle bucket 210, lauter tub 90 is filled with third filter material 80, the lower end direction of lauter tub 90 It is extended with the second drainage interface 910, the second drainage sealing of interface 910 penetrates through the mouth of a river 211, by busway 132 and lauter tub It is connected inside 90；The outer peripheral surface of lauter tub 90 is equipped with the second opening 920,920 connection of the second opening at the position of the upper end Inside exhalant canal 133 and lauter tub 90.

By the way that lauter tub 90 is arranged, the third filter material 80 being in granular form can be filled in lauter tub 90, the lower end of lauter tub 90 Equipped with the second drainage interface 910, the water in busway 132 is introduced in lauter tub 90, so that third filter material 80 carries out water flow Filtering；The upper end of lauter tub 90 is provided with the second opening 920, will be led in lauter tub 90 by the filtered water of third filter material 80 with facilitating Lauter tub 90 out flow to the first water outlet eventually by exhalant canal 133.

It is understood that since the lower end of interior bucket 230 and the lower end of middle bucket 210 have certain interval, and then can incite somebody to action Lauter tub 90 is mounted between interior bucket 230 and middle bucket 210, wherein the lower end surface that the upper surface of lauter tub 90 is preferable over interior bucket 230 is supported It connects, and then supporting role together can be played to interior bucket 230, to prevent interior bucket 230 from dropping, improve the structure of composite filter element 1 Stability.In order to avoid the second opening on lauter tub 90 920 covers blocking by the lower end surface of interior bucket 230, the of the lauter tub 90 Two openings 920 are preferably provided at the outer peripheral surface of lauter tub 90, between having between the outer peripheral surface of lauter tub 90 and the inner peripheral surface of middle bucket 210 Gap may make the second opening 920 to be connected with exhalant canal 133.

Further, interior bucket 230 is overweight and damage lauter tub 90 by pressure in order to prevent, in the present embodiment, the lower end edge of interior bucket 230 It is circumferentially extended with annular flange 231 downward, is abutted against by annular flange 231 and the lower end surface of middle bucket 210, internal to realize The supporting role of bucket 230.Wherein, lauter tub 90 is located at 231 inside of annular flange, and the outer peripheral surface of lauter tub 90 and annular flange 231 Inner peripheral surface between have gap；The lower end of middle bucket 210 is convexly equipped with up abuts rib 214, abuts rib 214 and convex annular Edge 231 abuts, so as to limit water space 215 between 210 bottom end of annular flange 231 and middle bucket, crosses water space 215 to even Inside and outside logical annular flange 231.In order to avoid annular flange 231 hinders the water flow flowing in secondary filter channel 134, lead to It crosses the lower end in middle bucket 210 and is convexly equipped with abutting rib 214 up, so that annular flange 231 is connected with rib 214 is abutted, Water space 215 can be formed between annular flange 231 and the lower end surface of middle bucket 210, and then guaranteed that the water flow outside lauter tub 90 is smooth It is logical, in order to be flowed by the filtered purified water of third filter material 80 to exhalant canal 133.

In the present embodiment, above-mentioned third filter material 80 is preferably active carbon particle filter material.

Further, in the embodiment above, above-mentioned shell 10 may particularly include outer barrel 110 and filter core connector 120；Its In: the upper end of outer barrel 110 is set in outer barrel 110 in open setting, middle bucket 210 and confluence bucket 220；Filter core connector 120 seals It is covered on the upper end of outer barrel 110, filter core connector 120 is equipped with the first water inlet, the first water outlet, the second water inlet and second and goes out The mouth of a river.

Removably mode can be used in filter core connector 120 and the upper end of outer barrel 110 is tightly connected, and is carried out with realizing to filter core Disassembly, so as to the subsequent replacement to the first filter material 30 and the second filter material 40.Due to being provided with the first water inlet on filter core connector 120 Mouth, the first water outlet, the second water inlet and the second water outlet, also the water route of more convenient pair of composite filter element 1 is attached at this time, The crisscross setting of connection water route packing is avoided in purifier and bring is greatly inconvenient.

In the present embodiment, since intake tunnel 131 is formed between middle bucket 210 and outer barrel 110, intake tunnel at this time 131 settings annular in shape, for the ease of placing the first filter material 30, which is cylindrical in shape setting and is sheathed on middle bucket 210 Outside has gap between the inner peripheral surface of the first filter material 30 and the outer peripheral surface of middle bucket 210；The inner space of first filter material 30 and remittance Circulation road 132 is connected to, and the exterior space of the first filter material 30 is connected to the first water inlet, in this way, enter from the first water inlet Water to be clean by the way that busway 132 can be passed through behind the inside that the outer peripheral surface of the first filter material 30 infiltrates into the first filter material 30 Carry out concentration confluence.

For the ease of the installation of the first filter material 30, in the present embodiment, the top of middle bucket 210 has peripherally and outwardly prolongs along it The ring-shaped splash guard 213 stretched, and there is gap between ring-shaped splash guard 213 and the inner peripheral surface of outer barrel 110；First filter material 30 is located at Between ring-shaped splash guard 213 and confluence bucket 220, and the upper surface of the first filter material 30 is sealed against with annular water plate, the first filter material 30 lower end surface and the upper end of confluence bucket 220 seal against.It is understood that the collecting tray 223 on confluence bucket 220 is to be located at The inside of first filter material 30, and then convenient for the inner space of the first filter material 30 is connected with busway 132.Further, since The upper and lower ends of first filter material 30 are limited by ring-shaped splash guard 213 and confluence bucket 220 respectively, so that the first filter material 30 is firm Ground is clamped between ring-shaped splash guard 213 and confluence bucket 220, and then the first filter material 30 is also avoided to occur in intake tunnel 131 It shakes, so that the structure of composite filter element 1 is more stable.

In the present embodiment, the upper end of outer barrel 110 is connected with filter core connector 120, the upper end of middle bucket 210 and filter core connector 120 are connected, and the upper end of interior bucket 230 is also connected with filter core connector 120, in this way, may make upper end and the filter of intake tunnel 131 The first water inlet on core connector 120 is connected, the upper end of exhalant canal 133 and the first water outlet phase on filter core connector 120 Connection.In order to avoid the ring-shaped splash guard 213 on middle bucket 210 separates intake tunnel 131, by ring-shaped splash guard 213 with Certain gap is reserved between the inner peripheral surface of outer barrel 110, and then can be flowed downward convenient for water flow along intake tunnel 131.

It should be noted that the first filter material 30 is cylindrical in shape setting, which can be PAC roll paper filter material, PP cotton Filter material, carbon-point or carbon fiber Compound filtering material.It is understood that in order to enhance the clean-up effect of the first filter material 30, first filter Material 30 also can be used the mode that multilayer core material is layered on top of each other and be formed, such as: the first filter material 30 includes radially inwardly successively The sub- filter material 310 of first be arranged and the second sub- filter material 320, the first sub- filter material 310 and the second sub- filter material 320 can be PAC roll paper Filter material, PP cotton filter material, carbon-point or carbon fiber Compound filtering material；The filter material type of the first sub- filter material 310 and the second sub- filter material 320 is not Together, it and then may make water to be clean that can realize the filtering of a variety of filter materials, improve the water quality of purified water.

Further, when the first filter material 30 is using the takeup types filter material such as PAC web-like filter material or PP cotton, for the ease of first The installation of filter material 30 is also arranged with support tub 50, support tub 50 and middle bucket 210 between first filter material 30 and middle bucket 210 There is gap, supporting has multiple outlet passes 501 in tub 50 between outer peripheral surface；First filter material 30 is sheathed on support tub 50 Outside or the first filter material 30 winding are set to the outside of support tub 50.In this way, support tub 50 can be to the first filter material 30 It plays a supporting role, prevents the inner peripheral surface of the first filter material 30 and the outer peripheral surface of middle bucket 210 from fitting together.Further, since support Outlet pass 501 is offered in tub 50, it can be convenient for the inside by the filtered purified water edge support tub 50 of the first filter material 30 It rapidly flows downwardly in confluence bucket 220, it is ensured that the water flow in intake tunnel 131 is unimpeded.

When the structure that the first filter material 30 is stacked using the first sub- filter material 310 and the second sub- filter material 320, second son Filter material 320 is preferably the takeup types filter material such as PAC web-like filter material or PP cotton, and the filter material type of the first sub- filter material 310 is unrestricted, this When support tub 50 be used to support the second sub- filter material 320.

The work principle of filter of second filter chamber 140 of this composite filter element 1 is done to illustrate below:

In the present embodiment, referring to Fig.1 0, and combine Fig. 2, Fig. 3, Figure 11, Figure 12, Figure 13 and Figure 15, the second filter material 40 It is cylindrical in shape setting, the second filter material 40 is located in interior bucket 230, and the inner space of the second filter material 40 is connected to the second water outlet, the The exterior space of two filter materials 40 is connected to the second water inlet.

The composite filter element 1 further includes upper end cover 60 and lower cover 70, the upper surface sealing of upper end cover 60 and the second filter material 40 It abuts, lower cover 70 and the lower end surface of the second filter material 40 seal against, in this way, pass through setting upper end cover 60 and lower cover 70, so that the inside two sides of the second filter material 40 are mutually isolated, the outer peripheral surface of the second filter material 40 and the inner peripheral surface of interior bucket 230 are in interval Setting, the upper end of interior bucket 230 are connected with filter core connector 120, so that the exterior space of the second filter material 40 and the second water inlet Mouth is connected；Upper end cover 60 is extended with the filter core interface 620 of connection 40 inner space of the second filter material, the filter core interface 620 upward It is connected with filter core connector 120, so that 40 inner space of the second filter material is connected to the second water outlet.

Radial deflection occurs for 40 opposite upper lid 60 of the second filter material and lower cover 70 in order to prevent, in the present embodiment, on this End cap 60 is extended with the first defining flange 610 being annularly arranged downward, first defining flange 610 can on the second filter material 40 The inner peripheral surface and/or outer peripheral surface at end abut, and then limit the movement of 40 opposite upper lid 60 of the second filter material；Similarly, lower cover 70 Be extended with the second defining flange 710 being annularly arranged upward, second defining flange 710 can in 40 lower end of the second filter material Circumferential surface and/or outer peripheral surface abut, and then limit the movement of 40 opposing lower end lid 70 of the second filter material.

The filter material type of second filter material 40 is unrestricted, such as the second filter material 40 can be carbon-point, and then to eliminate in water Peculiar smell.

In addition, for above-mentioned composite filter element 1, the first filter material 30 and third filter material 80 can be preposition filter material, second Filter material 40 is postposition filter material, in which: the first filter material 30 is preferably PP cotton or PAC coiled material, and third filter material 80 is preferably PP cotton or PAC Coiled material, the second filter material 40 are preferably carbon-point.

The utility model also proposes a kind of purifier, which includes composite filter element, the composite filter element it is specific Structure is referring to above-described embodiment, since this purifier uses whole technical solutions of above-mentioned all embodiments, at least All beneficial effects brought by technical solution with above-described embodiment, this is no longer going to repeat them.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims

1. a kind of composite filter element, it to be used for purifier, which is characterized in that the composite filter element includes:

Shell inside has filter chamber；

Barrier assembly is set in the filter chamber, and the filter chamber is divided into mutually independent first filter chamber and the second filter Chamber, first filter chamber have in intake tunnel, busway, secondary filter channel and the exhalant canal being sequentially communicated；Institute Shell is stated to be equipped with the first water inlet being connected with the intake tunnel and go out first to be connected with the exhalant canal The mouth of a river is additionally provided with the second water inlet and the second water outlet being connected with second filter chamber on the shell；

Second filter material is set in second filter chamber, and between second water inlet and second water outlet；And

Third filter material is set in the secondary filter channel.

2. composite filter element as described in claim 1, which is characterized in that first filter material has the both ends being oppositely arranged, institute It states the first water inlet to be arranged close to one end of first filter material, the water inlet of the busway is close to first filter material Other end setting.

3. composite filter element as described in claim 1, which is characterized in that the barrier assembly includes:

Converge bucket, is located in the shell, and be sheathed on the lower end of the middle bucket, and it is logical that the confluence is formed in the confluence bucket Road, the busway connection is described to cross the mouth of a river；And

Interior bucket is located in the middle bucket, second filter chamber, and the lower end surface of the interior bucket and institute is formed with inside the interior bucket It states interval between the lower end surface of bucket and is formed with the secondary filter channel；

Wherein, on the outside of the case inside and the middle bucket between interval constitute the intake tunnel, and the confluence bucket position in The lower section of the intake tunnel；Interval constitutes the exhalant canal between on the outside of the interior bucket and on the inside of the middle bucket；Described two The upstream connection of secondary filtration channel is described to cross the mouth of a river, exhalant canal described in the communicating downstream in the secondary filter channel.

4. composite filter element as claimed in claim 3, which is characterized in that the third filter material is cylindrical in shape setting, the third filter The upper surface of material and the lower end surface of the interior bucket seal against, and the lower end surface of the third filter material and the lower end surface of the middle bucket are close Envelope abuts；

The inner space of the third filter material is connected to the mouth of a river of crossing, and the exterior space of the third filter material and the water outlet are logical Road is connected.

5. composite filter element as claimed in claim 4, which is characterized in that the lower end surface of the interior bucket is circumferentially extended with downward along it Annular flange, the third filter material are located at the inside of the annular flange, and the outer peripheral surface of the third filter material and the annular There is gap between the inner peripheral surface of flange；

The lower end of the middle bucket is convexly equipped with abutting rib up, and the abutting rib is abutted with the annular flange, so that institute It states and limited water space between annular flange and the middle bucket bottom end, the water space of crossing is to be connected to the annular flange Inside and outside.

6. composite filter element as claimed in claim 4, which is characterized in that the composite filter element further includes first end cover and second end Lid, the first end cover is located between the upper surface of the third filter material and the lower end surface of the interior bucket, the first end cover and The upper surface of the third filter material seals against；

The second end cover be set to third filter material lower end surface and the middle bucket lower end surface between, the second end cover with it is described The lower end surface of third filter material abuts, and the second end cover corresponds to the mouth of a river of crossing and offers the first opening, and first opening connects Lead to the inner space for crossing the mouth of a river and the third filter material.

7. composite filter element as claimed in claim 6, which is characterized in that edge court of the second end cover along first opening Under be extended with the first drainage interface, the first drainage sealing joint crosses the mouth of a river through described, so that the first drainage interface It is connected to the inner space of the busway and the third filter material.

8. composite filter element as claimed in claim 3, which is characterized in that the third filter material is graininess filter material, described compound Filter core further includes set on the lauter tub between the interior bucket and the middle bucket, and the inside of the lauter tub is filled with the third filter material, The mouth of a river is crossed through described towards the second drainage interface, the second drainage sealing joint is extended in the lower end of the lauter tub, will It is connected inside the busway and the lauter tub；

The outer peripheral surface of the lauter tub is equipped with the second opening at the position of the upper end, and water outlet described in second open communication is logical Inside road and the lauter tub.

9. composite filter element as claimed in claim 8, which is characterized in that its circumferential direction of the lower end edge of the interior bucket is extended with ring downward Shape flange, the lauter tub is located on the inside of the annular flange, and the inner peripheral surface of the outer peripheral surface of the lauter tub and the annular flange Between have gap；

10. composite filter element as claimed in claim 3, which is characterized in that the confluence bucket includes:

Staving, upper end is in open setting；

Converge muscle, the inner peripheral surface of the staving is set to along the axial direction of the staving, the confluence muscle is between the circumferential direction of the staving It is equipped with every ground multiple, forms collecting tray between the adjacent two confluence muscle, the upper end connection intake tunnel of the collecting tray；

The outer surface of the middle bucket is abutted with the confluence muscle, and between the lower end surface of the middle bucket and the lower end surface of the staving Interval forms confluence gap, and the confluence gap is connected to the mouth of a river of crossing, the lower end of the collecting tray and the confluence gap Connection is to form the busway.

11. composite filter element as claimed in claim 3, which is characterized in that the shell includes:

Filter core connector, is closed together in the upper end of said tub, and the filter core connector is equipped with first water inlet, described the One water outlet, second water inlet and second water outlet.

12. the composite filter element as described in any one of claim 3 to 11, which is characterized in that first filter material is cylindrical in shape Setting, and it is sheathed on the outside of the middle bucket, between having between the inner peripheral surface of first filter material and the outer peripheral surface of the middle bucket Gap；

The inner space of first filter material is connected to the busway, the exterior space of first filter material and described first Water inlet connection.

13. the composite filter element as described in any one of claim 3 to 11, which is characterized in that second filter material is cylindrical in shape Setting, and the inner space of second filter material is connected to second water outlet, the exterior space of second filter material and institute State the connection of the second water inlet.

14. a kind of purifier, which is characterized in that including the composite filter element as described in any one of claim 1 to 13.