CN207871711U

CN207871711U - Composite filter element and purifier

Info

Publication number: CN207871711U
Application number: CN201820623495.7U
Authority: CN
Inventors: 郑跃东; 蔡雪刚; 桂鹏; 彭晶; 廖榆敏
Original assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2018-04-27
Filing date: 2018-04-27
Publication date: 2018-09-18
Anticipated expiration: 2028-04-27

Abstract

The utility model discloses a kind of composite filter element and purifier, wherein the composite filter element includes shell, aqueduct, barrier assembly, the first filter core and the second filter core；Barrier assembly is set in shell, is formed the first filter chamber in barrier assembly, the second filter chamber is constituted between shell and barrier assembly, the first filter chamber and the second filter chamber are mutual indepedent；First filter core is set in the first filter chamber, and the second filter core is set in the second filter chamber；Barrier assembly is equipped with the first opening, aqueduct, which is worn through the first opening in barrier assembly, to be arranged, first flow is formed in aqueduct, first flow is connected to the second filter chamber, interval forms second flow channel between the peripheral surface of aqueduct and the medial surface of the first filter core, interval forms third flow channel between the peripheral surface of aqueduct and the periphery of the first opening, and third flow channel is connected to second flow channel.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

Composite filter element and purifier

Technical field

The utility model is related to water purification product technical field, more particularly to a kind of composite filter element and purifier.

Background technology

Existing purifier is both provided with filter cartridge construction, in order to further protect filter cartridge construction, generally in the first filtering Preprocessing filter element (being used for coarse filtration) is arranged in water route to obtain more preferably mouthfeel in order to further improve water quality, generally post-processing Filter setting post-treatment filter (being used for fine filtering) in water route.But above-mentioned preprocessing filter element and post-treatment filter are usually Two independent individuals, integration degree is low, is not easy to install.

Utility model content

The main purpose of the utility model is to propose a kind of composite filter element, it is intended to solve the filter of purifier in the prior art Cored structure integration degree is low, installs inconvenient technical problem.

To achieve the above object, the utility model proposes composite filter element, including shell, aqueduct, barrier assembly, first Filter core and the second filter core；

The barrier assembly is disposed in the housing, and forms the first filter chamber in the barrier assembly, the shell and described The second filter chamber is constituted between barrier assembly, first filter chamber and the second filter chamber are mutual indepedent；

First filter core is set in first filter chamber, and second filter core is set in second filter chamber；

The barrier assembly is equipped with the first opening, and the aqueduct is worn through first opening in the barrier assembly It is arranged, first flow is formed in the aqueduct, the first flow is connected to second filter chamber, outside the aqueduct Interval forms second flow channel between circumferential surface and the medial surface of first filter core, and the peripheral surface of the aqueduct is opened with described first Interval forms third flow channel between the periphery of mouth, and the third flow channel is connected to the second flow channel.

Preferably, the barrier assembly includes the separator disc that interior bucket and sealing are fixed on the interior bucket lower end, the interior bucket Outside wall surface and the internal face of the shell between interval form the 4th runner, the lower disk of the separator disc and the shell Interval forms the 5th runner between internal face；

The aqueduct is arranged through the separator disc or the separator disc crosses water equipped with the corresponding aqueduct Hole, the aqueduct lower end abuts the upper peripheral edge setting of the water hole, so that the first flow connects with the 5th runner It is logical.

Preferably, the aqueduct abuts the upper peripheral edge setting of the water hole, and the lower disk of the separator disc is equipped with ring Shape water guide sector, the lower end connection annular water guide sector of the aqueduct are formed with connection described the in the annular water guide sector 6th runner of one runner and the 5th runner.

Preferably, the aqueduct is arranged through the separator disc, and the aqueduct is divided into first by the separator disc Pipeline section and the second pipeline section, first pipeline section are located in the interior bucket, the peripheral surface of first pipeline section and first filter core Medial surface between interval form the second flow channel, the nozzle of second pipeline section is connected to the 5th runner.

Preferably, first pipeline section is socketed with second segment seal.

Preferably, the barrier assembly includes interior bucket and upper cover, and the upper end of the interior bucket is equipped with described first and is open, described On be covered in first opening, the upper cover has the second opening, the medial surface of the interior bucket upper end and the upper cover Interval forms the 7th runner between lateral surface, and the upper end of the aqueduct wears second opening, the periphery of the aqueduct Interval forms the third flow channel between face and the periphery of second opening.

Preferably, the peripheral surface of the aqueduct is equipped with several bar shaped convex ribs, the extending direction of the bar shaped convex ribs and institute The axial consistent of aqueduct is stated, is arranged with the peripheral surface for preventing first filter core and/or the second filter core to be close to the aqueduct.

The utility model also proposes a kind of composite filter element, including shell, aqueduct, barrier assembly, the first filter core and Two filter cores；

The barrier assembly is disposed in the housing, and forms the first filter chamber in the barrier assembly, the shell and described The second filter chamber is constituted between barrier assembly, first filter chamber and the second filter chamber are mutual indepedent；The aqueduct is arranged in described In barrier assembly；The aqueduct is worn in the barrier assembly, to be connected to second filter chamber；

First filter core is set in first filter chamber, and second filter core is set in second filter chamber；Described At least one of one filter core and the second filter core include at least two-stage filter material.

Preferably, at least two-stage filter material for corresponding to same filter core is cylindrical in shape and setting of radially arranging.

Preferably, at least two-stage filter material of corresponding same filter core is cylindrical in shape and is vertically arranged to arrangement.

Preferably, at least two-stage filter material includes takeup type filter material and graininess filter material.

Preferably, the upper end of the barrier assembly is run through in the upper end of the aqueduct, and institute is run through in the lower end of the aqueduct The lower face of the lower end setting or the barrier assembly of stating barrier assembly is equipped with the water hole of the corresponding aqueduct, described to lead The lower end of water pipe abuts the upper peripheral edge setting of the water hole.

The utility model also proposes a kind of purifier, including composite filter element, the composite filter element include shell, aqueduct, Barrier assembly, the first filter core and the second filter core；

Barrier assembly is arranged in technical solutions of the utility model in shell so that crosses enclosure interior and forms mutually independent the One filter chamber and the second filter chamber realize the mistake respectively to two kinds of water quality that is, so that composite filter element has there are two independent filtration channel Filter, meets filtration needs of the user to multiple-quality water；Simultaneously as the integrally disposed multiple filtration channels of this composite filter element, drop The use number of composite filter element in low purifier, on the one hand, simplify the water route connection inside purifier, improve use Family dismounts the convenience of composite filter element and on the other hand also reduces purifier inner space, reduce the body of purifier Product, to adapt to the small-sized development trend of purifier.

Description of the drawings

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 structural schematic diagram at another visual angle of composite filter element in Fig. 1；

Fig. 3 is the cut-away illustration along III-III lines in Fig. 2；

Fig. 4 is the structural schematic diagram of interior bucket and separator disc in Fig. 3；

Fig. 5 is the structural schematic diagram of bung in Fig. 3；

Fig. 6 is the structural schematic diagram of upper cover and aqueduct in Fig. 3；

Fig. 7 is the schematic top plan view of upper cover and aqueduct in Fig. 6；

Fig. 8 is the structural schematic diagram of another embodiment of composite filter element in Fig. 1；

Fig. 9 is the structural schematic diagram of another one embodiment of composite filter element of the utility model.

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 implementation mode

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 Lower obtained every other embodiment, shall fall within the protection scope of the present invention.

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

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment 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.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection domain of the requires of the utility model.

The utility model proposes a kind of composite filter element, which can be applied to kitchen water purifier, household water-purifying machine Equal purifiers.

In the utility model embodiment 1, referring to Figure 1 to Figure 7, which includes shell 1, barrier assembly 2, first Filter core 3 and the second filter core 4；

Barrier assembly 2 is set in shell 1, and the first filter chamber 23, structure between shell 1 and barrier assembly 2 are formed in barrier assembly 2 At the second filter chamber 13, the first filter chamber 23 and the second filter chamber 13 are independently of each other；

First filter core 3 is set in the first filter chamber 23, and the second filter core 4 is set in the second filter chamber 13.

It is appreciated that shell 1 has the first water inlet and the first water outlet that are connected to the first filter chamber 23, and with second The second water inlet and the second water outlet that filter chamber 13 is connected to, the first filter core 3 is between the first water inlet and the first water outlet, and the Two filter cores 4 are between the second water inlet and the second water outlet；It is appreciated that so set, in the same housing 1 of composite filter element It is formed with two completely self-contained water purification water routes, it is convenient to the case where being applied to purify water twice, for example (,) it is right Water carries out prefilter and postposition filtering.

Barrier assembly 2 is arranged in technical solutions of the utility model in shell 1 so that it is mutual indepedent to cross 1 inside formation of shell The first filter chamber 23 and the second filter chamber 13, i.e., so that composite filter element tool is realized to two kinds of water quality there are two independent filtration channel Filtering respectively, meet filtration needs of the user to multiple-quality water；Simultaneously as the integrally disposed multiple filterings of this composite filter element Channel reduces the use number of composite filter element in purifier, on the one hand, the water route connection inside purifier is simplified, The convenience that user dismounts composite filter element is improved, on the other hand, purifier inner space is also reduced, reduces water purification and set Standby volume, to adapt to the small-sized development trend of purifier.

In the present embodiment, with reference to Fig. 3 to Fig. 5, barrier assembly 2 includes interior bucket 21, separator disc 22 and upper cover 24, interior bucket 21 Bung 212 including vertically setting 211 upper end of interior bucket ontology opening to tubular interior bucket ontology 211 and sealing cover separates 22 sealing cover of disk sets the opening of 211 lower end of interior bucket ontology, and there is bung 212 first opening 212a, upper cover 24 to be set to the first opening In 212a, upper cover 24 has the second opening 241, and the first filter core 3 is cylindrical in shape in interior bucket 21, and the first opening 212a and second is opened Mouth 241 is respectively positioned in the annular opening of the first filter core 3, the upper surface of the first filter core 3 and the medial surface palette of upper cover 24, under The upper side palette of end face and separator disc 22.

It is spaced between the medial surface and the lateral surface of upper cover 24 of bung 212 with reference to Fig. 3 about the water route of the first filter chamber 23 The 7th runner 231 is formed, the inner space of the first filter core 3 is connected to form second flow channel 232, the present embodiment with the second opening 241 In, the first water inlet is connected to the 7th runner 231, and the first water outlet is connected to second flow channel 232, in this way, water to be filtered Entered in composite filter element by the first water inlet, is entered in interior bucket 21 across the 7th runner 231, by 3 mistake of the first filter core After filter, interior bucket 21 is left across second flow channel 232, and composite filter element is left by the first water outlet；Certainly, in other embodiment In, the first water outlet can be also connected to the 7th runner 231, and the first water inlet is connected to second flow channel 232, and the design is not limited to This.Specifically, the medial surface of bung 212 is radially placed with a plurality of fuisw rib 212b, the bottom surface of fuisw rib 212b abuts upper cover Water can be realized between adjacent guide muscle 212b in 24 lateral surface；Certainly, in other embodiment, fuisw rib 212b also may be used Set on the upper side of upper cover 24, the design is without being limited thereto.

In addition, in order to reduce the radial dimension of composite filter element entirety, to realize the Miniaturization Design of composite filter element, this reality It applies in example, the first filter core 3 and the second filter core 4 are vertically to arrangement.

Specifically, with reference to Fig. 3, the downside of separator disc 22 is arranged with the bottom wall face interval of shell 1, to merge out for installation The space of second filter core 4, the second filter core 4 are cylindrical in shape setting, the upper surface of the second filter core 4 and the downside sealing paste of separator disc 22 It closes, in the present embodiment, composite filter element further includes the lower cover 6 being set at 1 wall surface of shell, lower face and the lower cover 6 of the second filter core 4 Upper side palette, certainly, in other embodiment, the lower face of the second filter core 4 also can be directly close with 1 wall surface of shell Sealing label closes, and the design is without being limited thereto.It should be noted that the design is without being limited thereto, and in other embodiment, the second filter core 4 The first filter core 3 can be surround to be arranged, i.e. the second filter core 4 is around interior bucket 21 surrounding setting.

In the present embodiment, with reference to Fig. 3 to Fig. 7, there are gaps between the outside wall surface and the internal face of shell 1 of interior bucket 21, multiple It further includes aqueduct 5 to close filter core, and aqueduct 5 vertically to being arranged in interior bucket 21, through 241 setting of the second opening lead by upper end The peripheral surface of water pipe 5 and the second 241 peripheries of opening have gap, the water hole being correspondingly arranged on 5 lower end of aqueduct and separator disc 22 222 docking (in other embodiment, 5 lower end of aqueduct may also extend through the setting of separator disc 22), it is empty with the inside with the second filter core 4 Between be connected to.

About the water route of the second filter chamber 13 shape is spaced between the outside wall surface and the internal face of shell 1 of interior bucket 21 with reference to Fig. 3 At the 4th runner 131, the 5th runner 132, aqueduct 5 are formed between the downside of separator disc 22 and the medial surface of the second filter core 4 Interior formation first flow 133；In the present embodiment, the second water inlet is connected to the 4th runner 131, the second water outlet and first flow 133 connections pass through the 4th runner 131 to reach the first filter in this way, water to be filtered is entered by the second water inlet in composite filter element At core 3, after the filtering of the first filter core 3, reach at the 5th runner 132, then the second water outlet is reached by first flow 133 Place, and be discharged out of composite filter element by the second water outlet；Certainly, in other embodiment, the second water inlet also can be with first Runner 133 is connected to, and the second water outlet is connected to the 4th runner 131, and the design is without being limited thereto.

It is appreciated that with reference to Fig. 3, after introducing the aqueduct 5, the first water inlet, the first water outlet and the can be realized Two water inlets, the second water outlet are set to the same end (upper end) of shell 1, to facilitate the connection in external water route；Certainly, Yu Qi In his embodiment, the first water inlet, the first water outlet and the second water inlet, the second water outlet can also be divided into the two of shell 1 End, the design are without being limited thereto.In addition, in the present embodiment, shell 1 is spacious including outer barrel 12 open upward and adaptation lid conjunction outer barrel 12 Mouthful filter core connector 11, first water inlet, the first water outlet, the second water inlet are formed on filter core connector 11 and second is gone out The mouth of a river, the first water inlet, the first water outlet, the second water inlet and the second water outlet are radially arranged setting；Certainly, in other In embodiment, which can also replace plate by water, and the first water inlet, the first water outlet, the are formed in plate of water route Two water inlets and the second water outlet, the design are without being limited thereto.In addition, after introducing the aqueduct 5, the upper end of aqueduct 5 is passed through The second opening 241 is worn, interval forms the second flow channel 232 between the peripheral surface of aqueduct 5 and the medial surface of the first filter core 3, leads Interval forms third flow channel 233 between the peripheral surface of water pipe 5 and the periphery of the second opening 241, in this implementation, third flow channel 233 It is connected to second flow channel 232 and the first water outlet.

In order to promote the cleaning water of the second filter chamber 13, with reference to Fig. 3, in the present embodiment, the downside of separator disc 22 is equipped with Annular water guide sector 221, water hole 222 are located in the annular region of annular water guide sector 221, and connection is formed in annular water guide sector 221 6th runner 134 of the 5th runner 132 and first flow 133；And in order to preferably promote the water guide effect of annular water guide sector 221 Fruit, in this implementation, the radial dimension of annular water guide sector 221 is more than the caliber setting of aqueduct 5.

In the present embodiment, with reference to Fig. 3, the first filter core 3 is front filter element, and the second filter core 4 is postposition filter core；Composite filter element Specific water purification process is as follows：Water to be filtered enters the first filter chamber 23 by the first water inlet of filter core connector 11, by the first filter It after the coarse filtration of core 3, is flowed out from the first water outlet of filter core connector 11, then enters the by the second water inlet of filter core connector 11 Two filter chambers 13 flow out after the essence filtering of the second filter core 4 from the second water outlet of filter core connector 11.Certainly, implement in other In example, the first filter core 3 or postposition filter core, and the second filter core 4 is front filter element, the design is without being limited thereto.

Occur the case where string water, the utility model between the first filter chamber 23 and the second filter chamber 13 of composite filter element in order to prevent Relevant improvement has been carried out for the leakproofness between each structure in composite filter element：One, bung 212 first opening 212a weeks Edge is extended with 212 connector of bung upward, and the second 241 peripheries of opening of upper cover 24 are extended with 24 connector of upper cover, filter core connector upward 11 medial surface corresponds to 212 connector of bung, 24 connector of upper cover and 5 upper end of aqueduct and is correspondingly provided with sealing ring edge, and separates The lower end that the upper side of disk 22 also corresponds to aqueduct 5 is equipped with sealing ring edge；In the present embodiment, above each sealing ring edge is corresponding Sealing structure is additionally provided between the structure of connection, such as, but not limited to, which is closure gasket groove and elastic seal ring Combination；Secondly, 21 ontology of interior bucket and separator disc 22 be arranged in being integrally formed, annular water guide sector 221 is similarly one with separator disc 22 Body formed setting, certainly, in other embodiment, separator disc 22 is alternatively with 21 ontology of interior bucket and is detachably connected, and the design is not It is limited to this.

The utility model has also carried out following correlation to preferably promote the dismounting convenience of each structure in composite filter element It improves：One, filter core connector 11 outer rim be formed with annular slot, the open end of outer barrel 12 seals grafting with annular slot, such as This, facilitates user to dismount filter core connector 11, improves user's repair or replaces the convenience of filter core connector 11；Secondly, bung 212 Downside periphery forms sealing slot 212d, and the upper open end of 21 ontology of interior bucket seals grafting sealing slot 212d, so Setting facilitates user to dismount bung 212, improves the convenience that user replaces the first filter core 3；Certainly, in other embodiment, bucket Lid 212 or and 21 body by integral forming settings of interior bucket.

In addition, with reference to Fig. 5, in order to improve the reliability of the installation of bung 212, in the present embodiment, the lateral surface of bung 212 is also Several support convex ribs 212c are convexly equipped with, the lateral surface of support convex ribs 212c abuts the medial surface setting of filter core connector 11；Certainly, in In other embodiment, the lateral surface of support convex ribs 212c can also abut the internal face setting of outer barrel 12, and the design is without being limited thereto.For The first filter core 3 is prevented to be close to the setting of 5 peripheral surface of aqueduct, in the present embodiment, the peripheral surface of aqueduct 5 is equipped at intervals with several Shape convex ribs 51, the extending direction of bar shaped convex ribs 51 is axial consistent with aqueduct 5, and the upper end of bar shaped convex ribs 51 abuts the second opening 241 periphery, it will be understood that be arranged such, on the one hand, the lateral surface of bar shaped convex ribs 51 can effectively keep out the first filter core 3 Medial surface prevents it to be close to 5 peripheral surface of aqueduct；On the other hand, bar shaped convex ribs 51 can also play the role of guiding flow, improve The filter efficiency of first filter chamber 23.In the present embodiment, aqueduct 5 is integrally formed with upper cover 24 to be arranged, effectively to simplify composite filter The overall structure of core, certainly, in other embodiment, aqueduct 5 can be also not limited to upper cover 24 in split settings, the design This.

Embodiment 2

According to the utility model proposes another embodiment composite filter element, as shown in figure 8, it is different from embodiment 1 it It being in and is arranged through separator disc 22 in, aqueduct 5, aqueduct 5 is divided into the first pipeline section 52 and the second pipeline section 53 by separator disc 22, First pipeline section 52 is located in interior bucket 21, and interval forms second between the peripheral surface of the first pipeline section 52 and the medial surface of the first filter core 3 The nozzle of runner 232, the second pipeline section 53 is connected to the 5th runner 132.It is appreciated that so set, avoiding aqueduct 5 in upper and lower Upward is oversized, is easy to collide with the other structures in composite filter element in dismounting, that is, improves user's dismounting and lead The convenience of water pipe 5.

Further, the first pipeline section 52 and the socket of the second pipeline section 53.In the present embodiment, 53 upper end of the second pipeline section is formed with pair The set access slot of 52 lower end of the first pipeline section, the inner peripheral surface of the peripheral surface and set access slot of 52 lower end of the first pipeline section is answered to seal against, certainly, In other embodiment, set access slot can also be formed in the lower end of the first pipeline section 52, the peripheral surface of 53 upper end of the second pipeline section and socket The inner peripheral surface of slot seals against.It is appreciated that socket is widely used a kind of connection type in the prior art, there is dismounting just The advantages that victory, stable connection, and especially suitable for the connection between pipe fitting.It should be noted that the design is without being limited thereto, in In other embodiment, the first pipeline section 52 and the second pipeline section 53 can also connect by other means；Or it is divided into the upper of separator disc 22 Lower both sides.

Based on the integrated technical solution in double water routes, the utility model also proposes a kind of composite filter element.

With reference to Fig. 9, which includes shell 1, barrier assembly 2, the first filter core 3 and the second filter core 4；

First filter core 3 is set in the first filter chamber 23, and the second filter core 4 is set in the second filter chamber 13；First filter core 3 and second is filtered At least one of core 4 includes at least two-stage filter material.

It is appreciated that so set, can the filter effect of composite filter element effectively be promoted, or meet the different water purification of user Demand；For example, the existing purifier only with graininess filter material, in use, user can find first cup water often It is interior containing filter particle the problem of, seriously affect user drinking-water experience；In the present embodiment, the first filter core 3 and/or second is filtered Core 4 is set as including graininess filter material and takeup type filter material, and takeup type filter material is located on rear side of the water route of graininess filter material, such as This, takeup type filter material can effectively stop filter particle, avoid the appearance of problem above.In the present embodiment, the composite filter element with The filter core filter material composition that the difference of previous composite filter element (a upper theme) essentially consists in this composite filter element is more diversified, and other Both the structure composition of composite filter element and water route flow direction are almost the same, are repeated no more in this.

Further, in this embodiment at least two-stage filter material of corresponding same filter core is cylindrical in shape and setting of radially arranging. It is appreciated that being arranged such, it is only necessary to the tubular element made of single filter material it radially will be divided into two-stage difference filter material before, On raw water road almost without influence, the design difficulty of composite filter element entirety is reduced, improves the production efficiency of composite filter element, and The mode radially arranged can also make full use of the radial space of 22 lower section of separator disc, avoid the whole height for increasing composite filter element. It should be noted that the design is without being limited thereto, in other embodiment, at least two-stage filter material of corresponding same filter core be cylindrical in shape and Vertically it is arranged to arrangement.

In the present embodiment, water to be filtered is passed sequentially through into the first filter chamber 23 and the second filter chamber 13, i.e. the first filter core 3 is preposition Filter core, the second filter core 4 are postposition filter core, in this way, compared to the first filter core 3, the second filter core 4 should have preferably filtering effect Fruit, therefore the second filter core 4 is set as being made of at least two filter materials.In the present embodiment, the second filter core 4 includes outer filter material 41 and interior Filter material 42, it is preferable that outer filter material 41 is graininess filter material, and interior filter material 42 is takeup type filter material.In the present embodiment, outer filter material 41 is Carbon-point, interior filter material 42 are PP cottons, although in this way, the water to be filtered into the second filter chamber 13 is accompanied with carbon dust after carbon-point, During continuing through PP cottons, carbon dust is filtered off by PP for it, when effectively user being avoided to drink water, first cup water asking in black occurs Topic.Certainly, in other embodiment, outer filter material 41 may further be embodied as other graininess filter materials, and interior filter material 42 may further be embodied as it His takeup type filter material, the design are without being limited thereto.In the present embodiment, the lower end of aqueduct 5 abuts the upper of 22 water hole 222 of separator disc Periphery is arranged, and with the inner space of filter material in connection 42, certainly, in other embodiment, the lower end of aqueduct 5 may also extend through point Every disk 22, and the inner space of interior filter material 42 is stretched into, the design is without being limited thereto.

The case where being directed to takeup type filter material to be fabricated from a flexible material, being easy to be tightly attached to the setting of 5 peripheral surface of aqueduct, this reality It applies in example, 5 peripheral surface of aqueduct is equipped at intervals with several bar shaped convex ribs 51, the axis of the extending direction and aqueduct 5 of bar shaped convex ribs 51 To consistent, the lateral surface of the bar shaped convex ribs 51 can effectively abut the medial surface of takeup type filter material, it is prevented to be close to outside aqueduct 5 Circumferential surface hinders the formation of runner；Certainly, in other embodiment, 5 peripheral surface of aqueduct can also specifically be equipped with other convex ribs knots Structure, the design are without being limited thereto.

The utility model also proposes a kind of purifier, which includes composite filter element, the composite filter element it is specific Structure is with reference to above-described embodiment, since this purifier uses whole technical solutions of above-mentioned all embodiments, at least All advantageous effects caused 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 it does not limit the scope of the patent of the present invention, Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model Transformation, 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 is used for purifier, which is characterized in that including shell, aqueduct, barrier assembly, the first filter core And second filter core；

The barrier assembly is disposed in the housing, and the first filter chamber, the shell and the isolation are formed in the barrier assembly The second filter chamber is constituted between component, first filter chamber and the second filter chamber are mutual indepedent；

The barrier assembly is equipped with the first opening, and the aqueduct wears in the barrier assembly through first opening and sets It sets, first flow is formed in the aqueduct, the first flow is connected to second filter chamber, the periphery of the aqueduct Interval forms second flow channel between face and the medial surface of first filter core, and the peripheral surface of the aqueduct is open with described first Periphery between interval form third flow channel, the third flow channel is connected to the second flow channel.

2. composite filter element as described in claim 1, which is characterized in that the barrier assembly includes that interior bucket and sealing are fixed on institute The separator disc of interior bucket lower end is stated, interval forms the 4th runner, institute between the outside wall surface of the interior bucket and the internal face of the shell It states interval between the lower disk of separator disc and the internal face of the shell and forms the 5th runner；

The aqueduct is arranged through the separator disc or the separator disc is equipped with the water hole for corresponding to the aqueduct, institute The upper peripheral edge setting that aqueduct lower end abuts the water hole is stated, so that the first flow is connected to the 5th runner.

3. composite filter element as claimed in claim 2, which is characterized in that the upper peripheral edge that the aqueduct abuts the water hole is set It sets, the lower disk of the separator disc is equipped with annular water guide sector, the lower end connection annular water guide sector of the aqueduct, the ring The 6th runner for being connected to the first flow and the 5th runner is formed in shape water guide sector.

4. composite filter element as claimed in claim 2, which is characterized in that the aqueduct is arranged through the separator disc, described The aqueduct is divided into the first pipeline section and the second pipeline section by separator disc, and first pipeline section is located in the interior bucket, and described Interval forms the second flow channel, the pipe of second pipeline section between the peripheral surface of one pipeline section and the medial surface of first filter core Mouth is connected to the 5th runner.

5. composite filter element as claimed in claim 4, which is characterized in that first pipeline section and the second segment seal set It connects.

6. composite filter element as described in claim 1, which is characterized in that the barrier assembly includes interior bucket and upper cover, it is described in Bucket upper end be equipped with it is described first be open, it is described on be covered on it is described first opening in, the upper cover have second opening, it is described Interval forms the 7th runner between the medial surface of interior bucket upper end and the lateral surface of the upper cover, and the upper end of the aqueduct wears institute The second opening is stated, interval forms the third flow channel between the peripheral surface of the aqueduct and the periphery of second opening.

7. the composite filter element as described in claim 1 to 6 any one, which is characterized in that the periphery face interval of the aqueduct Equipped with several convex ribs, the extending direction of the convex ribs and the aqueduct it is axial consistent, with prevent first filter core and/or Second filter core is close to the peripheral surface setting of the aqueduct.

8. a kind of composite filter element is used for purifier, which is characterized in that including shell, aqueduct, barrier assembly, the first filter core And second filter core；

The barrier assembly is disposed in the housing, and the first filter chamber, the shell and the isolation are formed in the barrier assembly The second filter chamber is constituted between component, first filter chamber and the second filter chamber are mutual indepedent；The aqueduct is arranged in the isolation In component；The aqueduct is worn in the barrier assembly, to be connected to second filter chamber；

First filter core is set in first filter chamber, and second filter core is set in second filter chamber；First filter At least one of core and the second filter core include at least two-stage filter material.

9. composite filter element as claimed in claim 8, which is characterized in that at least two-stage filter material of corresponding same filter core is in cylinder Shape and radially arrangement setting.

10. composite filter element as claimed in claim 8, which is characterized in that at least two-stage filter material of corresponding same filter core is in Tubular and vertically to arrangement be arranged.

11. composite filter element as claimed in claim 8, which is characterized in that at least two-stage filter material include takeup type filter material and Graininess filter material.

12. the composite filter element as described in claim 8 to 11 any one, which is characterized in that the upper end of the aqueduct is run through The upper end of the barrier assembly, the lower end of the aqueduct is through the setting of the lower end of the barrier assembly or the barrier assembly Lower face be equipped with the water hole of the corresponding aqueduct, the upper peripheral edge that the lower end of the aqueduct abuts the water hole is set It sets.

13. composite filter element as claimed in claim 12, which is characterized in that the peripheral surface of the aqueduct is equipped at intervals with several convex Muscle, the extending direction of the convex ribs is axial consistent with the aqueduct, to prevent first filter core and/or the second filter core tight Paste the peripheral surface setting of the aqueduct.

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