CN209352650U - Composite filter element component - Google Patents

Abstract

The utility model discloses a kind of composite filter element components, the composite filter element component includes: shell, first filtering group, with the second filtering group, the first accommodating chamber and the second accommodating chamber are limited in shell, it is spaced apart between first accommodating chamber and the second accommodating chamber by transition plates, transition plates was equipped with ferry, hydraulic pressure is higher than hydraulic pressure in the first accommodating chamber in second accommodating chamber, first filtering group is located in the first accommodating chamber, first filtering group is equipped with the first intubation being inserted into ferry, the first sealing ring is equipped between first intubation and the inner wall for crossing ferry, second filtering group is located in the second accommodating chamber, second filtering group is equipped with the second intubation being inserted into ferry, the second sealing ring is equipped between second intubation and the inner wall for crossing ferry, water is after the filtering of the second filtering group in second accommodating chamber, the first accommodating chamber is flowed to by ferry.According to the composite filter element component of the utility model embodiment, the piping connection between cavity is simple, has preferably sealing effect, high reliablity.

Description

Composite filter element component

Technical field

The utility model relates to technical field of water purification more particularly to a kind of composite filter element components.

Background technique

From the tap water that city tap-water factory is transported to each user, it will usually contain a certain amount of salt ion, metal object The substances such as matter, chloride, microorganism, silt.In order to improve drinking water quality, water outlet of more and more family's selections in tap water Water purifier is installed on pipe, the filter core of multiple functions is had in water purifier, to go different types of harmful substance in water removal.

In general, existing water purifier filter core is generally 3~4 grades, part of the manufacturer's water purifier filter core is twin-core.It is multiple in order to improve The filter effect for closing element kit, usually arranges a variety of element kits, the water-in and water-out between each element kit in water purifier Mouth is sequentially connected in series, and different filter core two sides are respectively formed into water cavity, water outlet cavity, past in order to reach the drinking water of high-quality Toward need to connect three-level, level Four element kit, exterior tube is required between the water outlet and water inlet between different element kits Road is attached, and keeps composite filter element package duct system numerous and jumbled, water purifier complete machine occupied space is larger, it has not been convenient to installation and replacement Filter core.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of composite filter element component, and by the design to transition plates, can divide housing 135 into two can hold Receive the cavitys of different filtering materials, and piping connection is simple, has preferably sealing effect.

According to the composite filter element component of the utility model embodiment, including shell, the first filtering group and the second filtering group, institute It states and limits the first accommodating chamber and the second accommodating chamber in shell, passed through between first accommodating chamber and second accommodating chamber Cab apron is spaced apart, and the transition plates was equipped with ferry, and hydraulic pressure is higher than water in first accommodating chamber in second accommodating chamber Pressure, the first filtering group are set in the first receiving cavity, and the first filtering group, which is equipped with, is inserted into described cross in ferry The first intubation, be equipped with the first sealing ring between first intubation and the inner wall for crossing ferry, the second filtering group sets In second accommodating chamber, the second filtering group, which is equipped with, is inserted into second intubation crossed in ferry, and described second It is equipped with the second sealing ring between intubation and the inner wall for crossing ferry, water is through the second filtering group in second accommodating chamber After filter, first accommodating chamber is flowed to through the ferry of crossing.

According to the composite filter element component of the utility model embodiment, housing cavity is separated into the first receiving by transition plates Chamber and the second accommodating chamber, design are also able to satisfy requirement of the different filter structures to hydraulic pressure.By first intubation, second intubation and Ferry is crossed, the first accommodating chamber and the second accommodating chamber connection can be prevented by the first sealing ring and the second sealing ring Crossfire when one accommodating chamber and the second accommodating chamber connection, structure is simple, and sealing effect is good, high reliablity.

In addition, composite filter element component according to the present utility model can also have the following additional technical features:

In some embodiments of the utility model, first intubation and one in second intubation are inserted into another In a, first sealing ring and second sealing ring radially arrange and form double-layer seal.

In some embodiments of the utility model, the transition plates is surrounding institute towards the side of first accommodating chamber Ferry was stated equipped with the first internal projecting ring, the transition plates is being equipped with towards the side of second accommodating chamber around the ferry of crossing Second internal projecting ring, to extend the axial length for crossing ferry.

Optionally, at least one of first internal projecting ring and second internal projecting ring, outer profile are non-circular.

Optionally, the transition plates is equipped with the around second internal projecting ring in the side towards second accommodating chamber Two outer bulge loops, the second outer bulge loop are spaced apart radially with second internal projecting ring, second internal projecting ring, described second Outer bulge loop is in contact with the end face of the second filtering group to form labyrinth seal.

In some embodiments of the utility model, described at least one end for crossing ferry is equipped with 30 degree to 60 degree of chamfering, First sealing ring and/or second sealing ring are imported the ferry excessively.

In some embodiments of the utility model, the shell includes: the bottle body and two bottle caps of both ends open, and two The bottle cap seals cooperation at the both ends of the bottle body respectively, and the transition plates is connected on the bottle body.

Optionally, two bottle caps revolve weldering connection respectively or spiral is connected on the bottle body.

Optionally, the transition plates is integrally formed on the bottle body or the transition plates is welded to connect in the bottle body On.

In some embodiments of the utility model, the shell be equipped with first import and export, second import and export, third into Outlet, the first filtering group include the first filtration members and the second filtration members, and the first filtering group includes water route spacing board, institute It states water route spacing board to set in the first receiving cavity, the water route spacing board will be separated out the first low pressure between first accommodating chamber Area and the second low-pressure area, first filtration members are located in first low-pressure area, are passed through by the water that the first import and export flows into It is flowed out after first filtration members from the second import and export, second filtration members are located in second low-pressure area, from institute The water for stating ferry inflow, which is imported and exported after second filtration members from the third, to flow out.

In some embodiments of the utility model, the shell is equipped with the 4th inlet and outlet and the 5th inlet and outlet, described Second filtering group includes: spiral wound reverse-osmosis membrane element, and the spiral wound reverse-osmosis membrane element includes: central tube group and more A reverse osmosis membrane bag, the central tube group include the waste pipe of central tube and multiple settings spaced apart, multiple waste pipes It is arranged around the central tube, the tube wall of the central tube was equipped with drainage and enters hole, and the tube wall of the waste pipe is equipped with useless Water enters hole；The reverse osmosis membrane bag has the first part being located inside the central tube group and is located at outside the central tube group The second part in portion, each waste pipe and the central tube by the first part of reverse osmosis membrane bag described at least one every It opens, the second part of multiple reverse osmosis membrane bags forms the plural layers group being centered around around the central tube group Part；Wherein, institute is flowed to after reverse osmosis membrane bag filtering from the water that the 4th inlet and outlet enter second accommodating chamber It stated drainage and enters hole, the waste pipe is connected with the 5th inlet and outlet, and the central tube is connected with the ferry of crossing.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

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

Fig. 2 is the bottom view of the composite filter element component of the utility model one embodiment；

Fig. 3 is the shell of the composite filter element component of the utility model one embodiment and the structural schematic diagram of sealing component；

Fig. 4 is that the composite filter element component of the utility model one embodiment saves the first filtering group and the second filtering group Schematic diagram of internal structure；

Fig. 5 is the structural schematic diagram of the section of the bottle body of the composite filter element component of the utility model one embodiment；

Fig. 6 is the structural schematic diagram of the bottle body of the composite filter element component of the utility model one embodiment；

Fig. 7 is the bottom view of the third end cap of the utility model one embodiment；

Fig. 8 is the bottom view of the 4th end cap of the utility model one embodiment；

Fig. 9 is the central tube of the utility model one embodiment and the schematic perspective view of waste water collector；

Figure 10 bows for what a reverse osmosis membrane bag and central tube, a waste water collector of the utility model one embodiment cooperated View；

Figure 11 is the top view of spiral wound reverse-osmosis membrane element in the utility model one embodiment；

Figure 12 is the schematic enlarged-scale view in the portion A in Fig. 1；

Figure 13 is the schematic enlarged-scale view in the portion B in Fig. 5；

Figure 14 is the structural schematic diagram of the lower end surface of the transition plates of the composite filter element component of the utility model one embodiment；

Figure 15 is the structural schematic diagram of the upper surface of the transition plates of the composite filter element component of the utility model one embodiment.

Appended drawing reference:

Composite filter element component 1000；

First accommodating chamber 100；First filtering group 400；First low-pressure area 1；Second low-pressure area 2；

First filtration members 10；First uniformly distributed runner 11；Second uniformly distributed runner 12；

First import and export 101；Second import and export 102；

Second filtration members 20；Third is evenly distributed with runner 21；4th uniformly distributed runner 22；

Third inlet and outlet 201；

First inner end cap 41；

First outer end cap 42；First intubation 421；

Second inner end cap 43；Inner port 431；5th intubation 432；

Second outer end cap 44；External port 441；6th intubation 442；

End cap 45 in second；Middle port 451；7th intubation 452；

Water route spacing board 46；Spacer 49；

Second accommodating chamber 200；Second filtering group 500；Spiral wound reverse-osmosis membrane element 3；Central tube group 13；

5th uniformly distributed runner 31；Reverse osmosis membrane bag 32；Central tube 33；Waste water collector 34；

5th inlet and outlet 301；4th inlet and outlet 302；

Third end cap 47；Second intubation 471；Third intubation 472；Fool proof protrusion 473；

4th end cap 48；4th intubation 481；Waste discharge mouth 482；

Sealing component 50；Water sealing structure concave station 51；Spring 52；Sealing ring 53；Water sealing structure part 54；Limit platform 541；

Shell 300；

First bottle cap 310；First adapter tube 311；Second adapter tube 312；Third adapter tube 313；

Second bottle cap 320；4th adapter tube 321；

Bottle body 330；Transition plates 331；Cross ferry 332；First internal projecting ring 333；Second internal projecting ring 334；First sealing ring 335；Second sealing ring 336；Second outer bulge loop 337.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Below with reference to Fig. 1-Figure 15 description according to the composite filter element component 1000 of the utility model embodiment.

According to the composite filter element component 1000 of the utility model embodiment, as shown in Fig. 1, Fig. 3, Fig. 5 and Figure 12, including shell Body 300, the first filtering group 400 and the second filtering group 500.

Wherein, the first accommodating chamber 100 and the second accommodating chamber 200, the first accommodating chamber 100 and second are limited in shell 300 It is spaced apart between accommodating chamber 200 by transition plates 331, transition plates 331 was equipped with ferry 332.Here, transition plates 331 makes One accommodating chamber 100 and the second accommodating chamber 200 form two cavitys being totally separated by shell 300, only pass through between two cavitys Cross the connection of ferry 332.

Hydraulic pressure is higher than hydraulic pressure in the first accommodating chamber 100 in second accommodating chamber 200, and design is able to satisfy different filter structures pair The requirement of hydraulic pressure.For example, filtering circulating resistance is small in the first accommodating chamber 100, thus the first accommodating chamber 100 is designed as low pressure chamber, Water purification system is not necessarily to configure booster pump, 100 inner body of the first accommodating chamber and corresponding connector pressure-bearing for the first accommodating chamber 100 in this way Small, component assembly sealing reliability requires low.And filtering circulating resistance is big in the second accommodating chamber 200, can be individually for second at this time Accommodating chamber 200 configures booster pump, while to guarantee the bearing capacity of 200 inner body of the second accommodating chamber and phase adapter.In this way It is provided separately, advantageously reduces cost.

Specifically, the first filtering group 400 is located in the first accommodating chamber 100, and the second filtering group 500 is located at the second accommodating chamber In 200, the first filtering group 400 can give full play to filtration, the second filtering group 500 in the relatively low low pressure chamber of hydraulic pressure Filtration can be just given full play in the high pressure chest for needing hydraulic pressure relatively high.Here it is possible to be water flow in the first accommodating chamber 100 Passed through ferry 332 after cleaning and flow to the second accommodating chamber 200, and was also possible to water flow in the second accommodating chamber 200 and leads to after cleaning It crossed ferry 332 and flows to the first accommodating chamber 100, here with no restriction.

First filtering group 400 is equipped with the first intubation 421 being inserted into ferry 332, and first is intubated 421 and crosses ferry The first sealing ring 335 is equipped between 332 inner wall.Second filtering group 500 is equipped with the second intubation being inserted into ferry 332 471, the second sealing ring 336 is equipped between the second intubation 471 and the inner wall for crossing ferry 332.Water is through second in second accommodating chamber 200 After filtering group 500 filters, the first accommodating chamber 100 is flowed to by ferry 332.Water is by the second filtering group 500 and the first filtering group 400 Purification filtering, purification filtering effect are good.

In addition, the first sealing ring 335 can blockade the first intubation 421 and cross the gap between ferry 332, the second sealing ring 336 can blockade the second intubation 471 and cross ferry 332 between gap, prevent water seepage flow out of gap so that purified water and Crossfire does not occur for the water not being cleaned, guarantees the filter effect of purified water.

According to the composite filter element component 1000 of the utility model embodiment, 300 inner cavity of shell is separated by transition plates 331 At the first accommodating chamber 100 and the second accommodating chamber 200, design is also able to satisfy requirement of the different filter structures to hydraulic pressure.Pass through One intubation 421, second is intubated 471 and crosses ferry 332,200 connection of the first accommodating chamber 100 and the second accommodating chamber can be passed through Crossfire when first sealing ring 335 and the second sealing ring 336 can prevent the first accommodating chamber 100 and the second 200 connection of accommodating chamber, knot Structure is simple, and sealing effect is good, high reliablity.

In some embodiments of the utility model, as shown in Fig. 3, Fig. 5, Figure 14 and Figure 15, shell 300 is spacious including both ends The bottle body 330 opened and two bottle caps, two bottle caps seal cooperation at the both ends of bottle body 330 respectively, and transition plates 331 is connected to bottle body On 330.Here, two bottle caps can be removably attachable on bottle body 330, to facilitate the first filtering group 400 and the second mistake Filter group 500 is installed into bottle body 330.Certainly, two bottle caps can be also connected to non-disconnectablely on bottle body 330.Optionally, two bottles Rotation weldering connection or spiral are connected on bottle body 330 lid respectively.

Optionally, transition plates 331 is integrally formed on bottle body 330 or transition plates 331 is welded to connect on bottle body 330. For example, transition plates 331 and 330 integrated injection molding of bottle body, integrated molding facilitate processing and manufacturing when bottle body 330 is plastic parts, And be tightly connected between transition plates 331 and bottle body 330 very reliably, it avoids when stress is impacted or two sides pressure difference is excessive, mistake Cab apron 331 deflection, leak etc. in bottle body 330.It, can be by bottle body when transition plates 331 can connect with welding on bottle body 330 330 is separately manufactured with transition plates 331, can reduce difficulty of processing, saves production cost.No matter integrated injection molding, or weldering It connects in succession, can preferably bear the pressure difference between the first accommodating chamber 100 and the second accommodating chamber 200, avoid the second accommodating chamber 200 Interior high pressure water penetrates into the first accommodating chamber 100 without ferry 332.Certainly, transition plates 331 and bottle body 330 are also possible to Other connection relationships, here with no restriction.

In some embodiments of the utility model, as shown in figs. 1 and 12, in the first intubation 421 and the second intubation 471 One be inserted into another, the first sealing ring 335 and the second sealing ring 336 radially arrange and form double-layer seal.When first In 421 the second intubation 471 of insertion of intubation, the first sealing ring 335 is located between the first intubation 421 and the second intubation 471.When second In 471 the first intubation 421 of insertion of intubation, then the second sealing ring 336 is located between the first intubation 421 and the second intubation 471.

In some embodiments of the utility model, as shown in Fig. 1, Fig. 5 and Figure 12, Figure 14, Figure 15, transition plates 331 exists Ferry 332 was surround equipped with the first internal projecting ring 333 towards the side of the first accommodating chamber 100, and transition plates 331 is accommodated towards second The side of chamber 200 surround ferry 332 equipped with the second internal projecting ring 334, to extend the axial length at ferry 332.First intubation 421, size is big in the axial direction for the second 471 fitting surfaces of intubation, can provide stronger bending resistance and contact strength.Also advantageous simultaneously The sealing of ferry 332 first intubation 421 and the second intubation 471 are being crossed in the first sealing ring 335 and the second sealing ring 336, convenient for peace Dress operation, leakproofness are preferable.In addition, as shown in figure 12, the first internal projecting ring 333 and the second internal projecting ring 334 can stop radial side To water flow pressure further enhance sealing to reduce the pressure that the first sealing ring 335 and the second sealing ring 336 blockade water Effect.

In certain embodiments, at least one of the first internal projecting ring 333 and the second internal projecting ring 334, foreign steamer Guo It is non-circular.In this way when bottle body 330 needs fixed, non-circular first internal projecting ring 333 or the second internal projecting ring 334 may be passed through It is fixed, anti-rotation.First filtering group 400 and the second filtering group 500 can not have to successively be sequentially mounted to shell 300 It is interior.

Such as in the example of Fig. 3 and Figure 15, the first internal projecting ring 333 in transition plates 331, outer profile is hexagon. When the second filtering group 500 to be installed in the second accommodating chamber 200, first bottle body 330 is inverted, makes the second accommodating chamber 200 Opening upwards, then example fixes bottle body 330 with fixing tool, and the second filtering group 500 is packed into from top.It is being incited somebody to action after installing When second bottle cap 320 is fixed to bottle body 330, the second bottle cap 320 is usually turned downwards, makes the second bottle cap 320 on bottle body 330 It covers tightly.Guarantee that bottle body 330 can be completely fixed, preferable method is to reach fixing tool in bottle body 330, utilizes One internal projecting ring 333 is inserted on fixing tool.Since the first internal projecting ring 333 is non-circular profile, it is arranged on fixing tool non-circular Fixation hole, such bottle body 330 no longer rotates.

Optionally, transition plates 331 is equipped with second around the second internal projecting ring 334 in the side towards the second accommodating chamber 200 Outer bulge loop 337, the second outer bulge loop 337 are spaced apart radially with the second internal projecting ring 334, the second internal projecting ring 334, the second outer bulge loop 337 are in contact with the end face of the second filtering group 500 to form labyrinth seal.First internal projecting ring 333 and the second internal projecting ring 334 are It is connected on the end face of the second filtering group 500, the water flow of radial direction can be stopped to ferry 332 is crossed, so that water experience is double It blockades, is conducive to improve leakproofness.

In some embodiments of the utility model, as shown in Fig. 1, Fig. 5 and Figure 13, at least one end for crossing ferry 332 is set Have 30 degree to 60 degree of a chamfering, i.e., the one or both ends at ferry 332 form chamfering, the first sealing ring 335 and the can be facilitated At least one in two sealing rings 336 imported ferry 332.Here chamfering can remove the burr generated when being processed into production, chamfering 332 opening size of ferry can also be increased, facilitate intubation.In addition, the first filtering group 400 is inserted by the first intubation 421 Entered ferry 332, or the second filtering group 500 was inserted into ferry 332 by the second intubation 471, the design of chamfering, which has, to be led To using, is conducive to filtering group and is screwed towards the direction coaxial with ferry 332 is crossed, reducing skew in assembling process may.

In some embodiments, as shown in Figure 1, Figure 2 and Figure 4, shell 300 is equipped with first import and export 101, second import and export 102, third inlet and outlet 201, the first filtering group 400 include the first filtration members 10, the second filtration members 20 and water route spacing board 46, water Road spacing board 46 is located in the first accommodating chamber 100, and water route spacing board 46 will be separated out 1 He of the first low-pressure area between first accommodating chamber 100 Second low-pressure area 2, the first filtration members 10 are located in the first low-pressure area 1, and the water flowed by first import and export 101 is through the first filtration members It is flowed out after 10 from second import and export 102, the second filtration members 20 are located in the second low-pressure area 2, from water that ferry 332 flows into is crossed through the From 201 outflow of third inlet and outlet after two filtration members 20.First filtration members 10 and the second filtration members 20 separate in first accommodating chamber 100 It opens, forms two independent purification water routes.Water route spacing board 46 by the first accommodating chamber 100 divide for the first low-pressure area 1 and second it is low Pressure area 2, the first low-pressure area 1 and 102 connection of first import and export 101 and second import and export, the second low-pressure area 2 with cross ferry 332 and Third imports and exports 201 connection.

Optionally, other filtration members can be connected between two groups of filtration members；It can also be directly by the water inlet of the first filtration members 10 Mouth is connected with the water outlet of the second filtration members 20, or directly by the water inlet of the water outlet of the first filtration members 10 and the second filtration members 20 Mouth is connected, and the purification water route between the first filtration members 10 and the second filtration members 20 is made to form forward and backward concatenated relationship.

Optionally, it is evenly distributed with as shown in Figure 1, limiting first between the first filtration members 10 and the inner wall of the first accommodating chamber 100 Runner 11, the first uniformly distributed runner 11 are connected with first import and export 101.It is limited between water route spacing board 46 and the first filtration members 10 Second uniformly distributed runner 12, the second uniformly distributed runner 12 connect second import and export 102.

Limit third between water route spacing board 46 and the second filtration members 20 and be evenly distributed with runner 21, the second filtration members 20 it is separate The side that third is evenly distributed with runner 21 is equipped with the 4th uniformly distributed runner 22, and third is evenly distributed with one in runner 21 and the 4th uniformly distributed runner 22 Connect third inlet and outlet 201, third be evenly distributed with runner 21 and the 4th uniformly another in runner 22 connected ferry 332.Herein, When third, which is evenly distributed with runner 21, connected ferry 332, the 4th uniformly distributed runner 22 then connects third inlet and outlet 201；When third is uniformly distributed When runner 21 connects third inlet and outlet 201, the 4th uniformly distributed runner 22 then connected ferry 332.

Optionally, as shown in figures 1 and 3, the first accommodating chamber 100 and the second accommodating chamber 200 are in axially spaced setting, and The uniformly distributed runner of one of them of two filtration members, 20 two sides is connected to the second accommodating chamber 200 by the ferry 332 of crossing in transition plates 331, Two accommodating chambers (100,200) cooperation is compact, save the and the filtered water of filtering group when flowing to the filtering of the second filtration members 20 The external connection pipeline of required laying；It is also possible to the saving filtered water of the second filtration members 20 and is flowing to the second filtering group The external connection pipeline of required laying when 500 filtering.Be conducive to composite filter element component 1000 and reduce overall dimensions.Be conducive to letter Change the arrangement of exterior line.

From first, uniformly runner 11, second is evenly distributed with runner 12, third is evenly distributed with runner 21 and the layout of the 4th uniformly distributed runner 22 From the point of view of position, water flow when passing through the first filtration members 10 and the second filtration members 20, wear by most of radial direction along the first accommodating chamber 100 It crosses, passes through that path is short, circulation is big.And radially across when there is souring to the impurity on filtration members surface, water flow is easier to Filtration members are passed through after washing impurity open.And each filtration members major part water flow in Inlet and outlet water is substantially axial flow, so not only It is uniformly distributed to be conducive to water flow, is also beneficial to take the impurity under washing away to axial end portion, impurity is avoided to get lodged in filtration members surface.

Two groups of filtration members are integrated in compared with the prior art in an element kit, the integrated level of the utility model is higher, It is with better function.When replacing filter core, it is only necessary to the different end of shell 300 and the corresponding sealing end of each filtration members are dismantled, To implement the replacement of corresponding filtration members, replacement is simple, operation is easy, and carries out replacement in person for client and provides possibility, drops Low maintenance cost.

Even if cannot be split out again after filtration members install in accommodating chamber, but since all filtration members are arranged at shell In 300, when composite filter element 1000 integral installation of component, only needs a set of positioning, mounting structure, assembles simple, time saving.

In some examples of the utility model, as shown in Fig. 1, Fig. 5, Fig. 7, water route spacing board 46 is tubular, the second mistake Filter part 20 is located at the inside of water route spacing board 46, and the first filtration members 10 are located at the outside of water route spacing board 46, optionally, the first mistake Filtering part 10 and the second filtration members 20 is also tubular, and the first filtration members 10, water route spacing board 46 and the second filtration members 20 are successively arranged, The center cavity of second filtration members 20 is the 4th uniformly distributed runner 22.Herein, the 4th uniformly distributed runner 22 is in the first filter element The heart is cylindricality.20, one layers of one layer of second filtration members of compact Layout are distinguished in radial directions in the outside of 4th uniformly distributed runner 22 Third be evenly distributed with 21, one layers of runner, 46, one layer second of water route spacing board be evenly distributed with 12, one layer first of runner cross part, one layer first it is uniformly distributed Runner 11, third are evenly distributed between runner 21 and the second uniformly distributed runner 12 and are not circulated by the isolation of water route spacing board 46.First accommodates The installation space that 100 integral arrangement of chamber is compact, occupies is few, integrated level is high.Facilitate the first filtration members 10 of installation and the second filtration members 20。

First filtering group 400 includes the first outer end cap 42, and one end week of the first outer end cap 42 and water route spacing board 46 is along close Envelope connection, the first outer end cap 42 are equipped with the first intubation 421 of the second low-pressure area 2 of connection, the first intubation 421 and transition plates 331 It is connected, first seal is equipped between the first intubation 421 and transition plates 331, to avoid 1 crossfire of high pressure chest and the first low-pressure area.

First outer end cap 42 encloses the bottom that the first filtration members 10, second are evenly distributed with runner 12, and is the first filtration members 10 Support is provided, prevents liquid in bottom crossfire.Water route spacing board 46 is connected on the first outer end cap 42, is conducive to the first outer end Specific position is securely arranged in lid 42, so that the second uniformly distributed runner 12 and third are evenly distributed with runner 21 and generate reliable separation.The One intubation 421 is connected to the second low-pressure area 2, and the water in high pressure chest can enter the second low-pressure area 2 by the first intubation 421.It is optional Ground, water route spacing board 46 and the first outer end cap 42 are integrally formed part, facilitate processing and manufacturing.

Optionally, as shown in Figure 1, the first filtering group 400 includes end cap 45 in second, end cap 45 and water route interval in second The other end week of plate 46, end cap 45 was equipped with the 7th intubation 452 in second along being tightly connected, and the 7th intubation 452 is close with shell 300 Envelope connection.

In some embodiments of the utility model, as depicted in figs. 1 and 2, shell 300 is equipped with the 4th inlet and outlet 302 With the 5th inlet and outlet 301, the second filtering group 500 includes: spiral wound reverse-osmosis membrane element 3, spiral wound reverse-osmosis membrane element 3 It include: central tube group 13 and multiple reverse osmosis membrane bags 32, reverse osmosis membrane bag 32 can separate the water of filtering to be clean, so that water Pure water, waste water are formed after purification filtering.Central tube group 13 includes the waste water collector 34 of central tube 33 and multiple settings spaced apart, more A waste water collector 34 is arranged around central tube 33, and the tube wall of central tube 33 was equipped with drainage and enters hole, the tube wall of waste water collector 34 It is equipped with waste water and enters hole, reverse osmosis membrane bag 32 has the first part being located inside central tube group 13 and is located at central tube group 13 External second part, each waste water collector 34 and central tube 33 by the first part of at least one reverse osmosis membrane bag 32 every It opens, the second part of multiple reverse osmosis membrane bags 32 forms the plural layers component being centered around around central tube group 13；Wherein, The water for entering high pressure chest from the 4th inlet and outlet 302 flowed to drainage after the filtering of reverse osmosis membrane bag 32 and enters hole, waste water collector 34 It is connected with the 5th inlet and outlet 301, central tube 33 is connected with ferry 332 is crossed.

In some embodiments of the utility model, as shown in Figure 1, reverse osmosis membrane bag 32 rolls into tubular, it is reverse osmosis The 5th uniformly distributed runner 31 is limited between diaphragm bag 32 and the inner wall of the second accommodating chamber 200, the center of reverse osmosis membrane bag 32 is just It is arranged to ferry 332 is crossed.From the point of view of spiral wound reverse-osmosis membrane element the 3, the 5th is evenly distributed with the layout of runner 31, water flow is passing through spiral shell When revolving coiled reverse osmosis membrane element 3, major part is along spiral wound reverse-osmosis membrane element 3 radially across, circulation short across path Amount is big.And radially across when there is souring to the impurity on filtration members surface, water flow is easier to pass through filtering after washing impurity open Part.And filtration members major part water flow in water inlet is substantially axial flow, it is uniformly distributed to not only contribute to water flow in this way, be also beneficial to by Impurity under washing away takes axial one end to, and impurity is avoided to get lodged in filtration members surface.

The water in the 5th uniformly distributed runner 31 is flowed to, is passing radially through reverse osmosis membrane bag 32 and towards the side of central tube 33 During flowing, hydrone is constantly penetrated into reverse osmosis membrane bag 32.It penetrates into pure in reverse osmosis membrane bag 32 Water purification part radially continues to flow towards central tube 33, is partially influenced along the hand of spiral by film extending direction towards central tube 33 Flowing.Final pure water enters central tube 33 from crossing drainage and enter hole, then flows towards crossing ferry 332.And reverse osmosis is not penetrated into The water of permeable membrane piece bag 32 then focuses at waste water collector 34, and remaining waste water then flows to the waste water collection on the tube wall of waste water collector 34 Hole, waste water collector 34 are connected with the 5th inlet and outlet 301, and waste water is discharged from the 5th inlet and outlet 301.Water is passing through reverse osmosis membrane It when bag 32, passes radially through, passes through that path is short, circulation is big, there is souring to the impurity on 32 surface of reverse osmosis membrane bag, Water flow is easier to pass through reverse osmosis membrane bag 32 after washing impurity open.

In some embodiments of the utility model, as shown in Figure 1, the second filtering group 500 further include: 47 He of third end cap 4th end cap 48, third end cap 47 and the 4th end cap 48 are connected to the axial ends of spiral wound reverse-osmosis membrane element 3, the Three end caps 47 connect transition plates 331, and central tube 33 is connected by third end cap 47 with ferry 332 is crossed, and waste water collector 34 passes through the Four end caps 48 are connected with the 5th inlet and outlet 301.As shown in Figure 1, the both ends of third end cap 47 are equipped with the second 471 Hes of intubation communicated Third intubation 472, third intubation 472 are connected with central tube 33.Here, third end cap 47 encloses the reverse osmosis membrane element of spiral wound The top of part 3, and the support connection at top is provided for spiral wound reverse-osmosis membrane element 3, it effectively prevent liquid in top phase String.4th end cap 48 encloses the bottom of spiral wound reverse-osmosis membrane element 3, and provides the sealing and support of bottom, effectively Ground prevents liquid mutually to go here and there in bottom.Waste water collector 34 has been connected to waste discharge mouth 482 and the 5th inlet and outlet 301, makes the useless of high salinity Water flows out shell 300 fast enough.

Third end cap 47 is plugged on central tube 33 by third intubation 472, on the one hand utilizes third intubation 472 and center Face contact between 33 tube wall of pipe realizes sealing, on the other hand facilitates the positioning and installation of central tube 33, after preventing long-time service 33 skew of central tube, leak.

In addition, third end cap 47 is equipped with fool proof protrusion 473 such as Fig. 1 and Fig. 8, fool proof protrusion 473 is right with waste water collector 34 It should be arranged, one end of waste water collector 34 is inserted in fool proof protrusion 473, facilitate third end cap 47 and 34 location and installation of waste water collector, Prevent 34 skew of waste water collector after being used for a long time.

Optionally, the axial ends for the circular cylinder that reverse osmosis membrane bag 32 rolls out is adhesive in third end cap 47 and the 4th end cap On 48.It is not only easy to assembly in this way, but also convenient for the installation of integrated core, and conveniently in end part seal.

Optionally, the reverse osmosis membrane bag 32 of the utility model is reverse-osmosis membrane element (RO membrane component), reverse osmosis membrane element Part use the water-saving film of effluent, intake by effluent, improve film surface flow velocity, guarantee higher pure water recovery rate and film bag compared with Long service life.

Optionally, reverse osmosis membrane bag 32 can also be hyperfiltration membrane assembly, and ultrafiltration membrane filtration existing in the market specifically can be selected Core.The prior art that the principle and technology of ultra-filtration filters and osmosis filtration are well known to the skilled person, at this It is repeated no more in utility model.In addition, needing to add liquid in advance when reverse osmosis membrane bag 32 is using above-mentioned filtration members Pressure is pumped into again in the 4th inlet and outlet 302.

The utility model define " first ", " second ", " third ", " the 4th ", " the 5th " feature can express or One or more of the features is implicitly included, for distinguishing Expressive Features, point of out-of-order, weight.

In some embodiments of the utility model, as shown in Figure 1, composite filter element component 1000 further include: the first inner end Lid 41, the first inner end cap 41 cooperates to be crossed on the axial end face at ferry 332 in the direction of the second filtration members 20, to block the second filtering Part 20 and the 4th uniformly distributed runner 22.First inner end cap 41 said herein blocks the second filtration members 20 and the 4th uniformly distributed runner 22, refers to Be axial end face that the first inner end cap 41 has sealed the second filtration members 20 and the 4th uniformly distributed runner 22, make the second filtration members 20 and Water in 4th uniformly distributed runner 22 cannot be flowed out or be flowed into from towards the axial end face for crossing ferry 332.Certain being mentioned below When end cap blocks certain filtration members and certain uniformly distributed runner, meaning is also in this way, will not be described in great detail hereinafter.

In Fig. 1, the first inner end cap 41 encloses the bottom of the second filtration members 20 and the 4th uniformly distributed runner 22, and is second Filtration members 20 provide the support of bottom, effectively prevent the liquid to be clean of 20 two sides of the second filtration members, and only Liquid after change is mutually gone here and there in bottom, ensure that the filter effect of the second filtration members 20.

Optionally, the first inner end cap 41 is equipped with the inward flange extending into the 4th uniformly distributed runner 22, the periphery of inward flange The inner circumferential face contact in face and the second filtration members 20.Optionally, the outer periphery of the first inner end cap 41 be equipped with flanging, flanging it is interior The periphery face contact of side and the second filtration members 20.Setting of the inward flange with flanging as, can all enhance the first inner end cap The liquid block effect of the end face of 41 pair of the 4th uniformly distributed runner 22 and the second filtration members 20；And it is capable of forming to the first inner end cap 41 Cooperate with the fool proof of the second filtration members 20, is easy assembly.

Specifically, the shaft end end face of the second filtration members 20 is adhesive in the first inner end cap 41, not only easy to assembly in this way, and And convenient for the installation of integrated core.Optionally, the second filtration members 20 are sealedly connected in the first inner end cap 41 by a circle hot melt adhesive.

Optionally, as shown in Figure 1,42 middle part formation boss protruding upward of the first outer end cap, the first inner end cap 41 are suspended in Above boss.That is, having certain interval between the first inner end cap 41 and boss, so that third is evenly distributed with runner 21 and is crossed ferry 332 and keep Connection, makes the purification water route between the second filtration members 20 and spiral wound reverse-osmosis membrane element 3 connect.That is, the second mistake The filter filtered water of part 20 can flow to spiral wound reverse-osmosis membrane element 3 by ferry 332, by spiral wound reverse-osmosis membrane element 3 filter again；Alternatively, the filtered water of spiral wound reverse-osmosis membrane element 3 can flow to the second filtration members 20 by ferry 332, It is filtered again by the second filtration members 20.

Optionally, the outer periphery of the first outer end cap 42 is equipped with flanging, the medial surface of flanging and the first filtration members 10 Periphery face contact.Flanging housing is in the outside of the middle part boss of the first outer end cap 42, the two sides resistance of flanging and middle part boss Gear, can enhance the first outer end cap 42 to the liquid block effect of the end face of the first filtration members 10；And it is capable of forming and is filtered to first The fool proof of part 10 cooperates, and is easy assembly.

Specifically, the shaft end end face of the first filtration members 10 is adhesive on the first outer end cap 42, not only easy to assembly in this way, and And convenient for the installation of integrated core.Optionally, the first filtration members 10 are sealedly connected on the first outer end cap 42 by a circle hot melt adhesive.

Specifically, first intubation 421 with first inner end cap 41 be coaxially disposed, first be intubated 421 internal diameter less than first in The outer diameter of end cap 41, such first inner end cap 41, the second filtration members 20 gear are in the first outer end cap 42.

Optionally, the gap between the first inner end cap 41 and the first outer end cap 42 is smaller, and the first inner end cap 41 is by court To the first outer end cap 42 active force when be in contact with the first outer end cap 42, served as the water inlet of ferry 332 and squeezed the first inner end cap 41 When, gap becomes larger, and water route circulation is more unimpeded.First inner end cap 41 is arranged to set with the suspension of 42 small distance of the first outer end cap Meter, can make water flow water pressure energy when through the second filtration members 20 reach delicate balance.I.e. when in the 4th uniformly distributed runner 22 hydraulic pressure it is big When crossing hydraulic pressure at ferry 332, the first inner end cap 41 can temporarily seal ferry 332.

In some embodiments of the utility model, as shown in Figure 1, composite filter element component 1000 further include: the second inner end Lid 43 and the second outer end cap 44.Wherein, the cooperation of the second inner end cap 43 is in the second filtration members 20 far from the axial end for crossing ferry 332 On face, to block the second filtration members 20, the second inner end cap 43 is equipped with the inner port 431 of connection third inlet and outlet 201.Here, Second inner end cap 43 encloses the top of the second filtration members 20, and provides the connection at top for the second filtration members 20, is third Inlet and outlet 201 provide trend, effectively prevent the liquid to be clean of 20 two sides of the second filtration members, and purified Liquid is mutually gone here and there at top, further ensures the filter effect of the second filtration members 20.Through the filtered fluid of the second filtering group 500 It is gathered in the 4th uniformly distributed runner 22, is discharged via inner port 431.

Optionally, the periphery of the second inner end cap 43 is equipped with downward flanging, the medial surface of flanging and the second filtration members 20 periphery face contact.Second inner end cap 43 is equipped with the inward flange extending into the 4th uniformly distributed runner 22, the periphery of inward flange The inner circumferential face contact in face and the second filtration members 20.Setting of the inward flange with flanging as, makes the second inner end cap 43 and second Connection between filtration members 20 more closely, increases the reliability of connection.And it can all enhance the second inner end cap 43 and be filtered to second The liquid block effect of the end face of part 20, and it is capable of forming the fool proof cooperation to the second inner end cap 43, it is easy assembly.

Second outer end cap 44 cooperates in the first filtration members 10 far from crossing on the axial end face at ferry 332, to block first Filtration members 10, the second outer end cap 44 are equipped with housing in the external port 441 of inner port 431.Correspondingly, the second outer end cap 44 is closed First filtration members 10, second are evenly distributed with the top of runner 12, and provide connection for the first filtration members 10, for first import and export 101, second import and export 102 is separated, and effectively prevents the liquid to be clean and of 10 two sides of the first filtration members Purified liquid is mutually gone here and there at top, further ensures the filter effect of the first filtration members 10.

Optionally, the periphery of the second outer end cap 44 is equipped with downward flanging, the medial surface of flanging and the first filtration members 10 periphery face contact.The setting of flanging makes connection between the second outer end cap 44 and the first filtration members 10 more closely, increases Add the reliability of connection.And it can all enhance the second outer end cap 44 to the liquid block effect of the end face of the first filtration members 10, and energy Enough formed cooperates the fool proof of the first filtration members 10, is easy assembly.

Specifically, the shaft end end face of the first filtration members 10 is adhesive on the second outer end cap 44, not only easy to assembly in this way, and And convenient for the installation of integrated core.Optionally, the first filtration members 10 are sealedly connected on the second outer end cap 44 by a circle hot melt adhesive.

In some instances, as shown in Figure 1, the internal perisporium of shell 300 is equipped with the first adapter tube 311, the second adapter tube 312, 311 plug connection of inner port 431 and the first adapter tube of second inner end cap 43, the external port 441 of the second outer end cap 44 connect with second 312 plug connection of pipe.The assembly method of this plug connection becomes the fixation of the first filter core, the second filter core in shell 300 It is very easy to.

The position of such first filtration members 10 obtains substantially stationary, and the step of assembling only has the process of both ends grafting, by This its visible assembly is very simple, time saving.As long as shell 300 is indeformable, the both ends of the first filtration members 10 would not deviate from, It can be seen that the assembly reliability of the first filtration members 10 is higher.

And one end of the second filtration members 20 is plugged on the first adapter tube 311 by the second inner end cap 43, the second filtration members 20 The other end sealed by the first inner end cap 41, and the first inner end cap 41 and the first outer end cap 42 interval it is very small, be equivalent to second The other end of filtration members 20 is held by the first outer end cap 42.The position of such second filtration members 20 also obtain it is substantially stationary, and fill With the step of there was only the process of one end grafting, it can be seen that its assembly is very simple, time saving.As long as shell 300 is indeformable, The both ends of second filtration members 20 would not deviate from, it can be seen that the assembly reliability of the second filtration members 20 is higher.

In the example of Fig. 1 and Fig. 4, the 5th intubation 432, the nozzle of the 5th intubation 432 are formed in the second inner end cap 43 Form above-mentioned inner port 431.5th intubation 432 can be inserted in the first adapter tube 311, and the 5th intubation 432 can also be inserted in first Outside adapter tube 311.To improve sealing effect, sealing ring 53 is equipped between the 5th intubation 432 and the first adapter tube 311.

In such as Fig. 1 and Fig. 4 example, the 6th intubation 442, the nozzle of the 6th intubation 442 are formed on the second outer end cap 44 Form above-mentioned external port 441.6th intubation 442 can be inserted in the second adapter tube 312, and the 6th intubation 442 can also be inserted in second Outside adapter tube 312.To improve sealing effect, sealing ring 53 is equipped between the 6th intubation 442 and the second adapter tube 312.

In some instances, as shown in Figure 1 and Figure 4, the internal perisporium of shell 300 is equipped with third adapter tube 313, the second middle-end The middle port 451 of lid 45 and 313 plug connection of third adapter tube.

In the utility model embodiment, end cap 45 in second can also be not provided with, such water route spacing board 46 can be straight It connects and is connected with third adapter tube 313, in this way saving number of parts.But since the second filtration members 20 will be assembled to water route spacing board 46 Inside, water route spacing board 46 has been open small and filled to enter then, and water route spacing board 46, which has been open greatly, then will affect the second outer end cap 44 and first filtration members 10 assembly, whole assembly difficulty increases.

Therefore end cap 45 in setting second is proposed here, and the equal parts of the second filtration members 20 are first packed into water route interval when assembly In plate 46, then end cap 45 in second is connected on water route spacing board 46 again, then meets assembly needs, what raising was integrally assembled Reliability.On the other hand, when water route spacing board 46 and the first outer end cap 42 are integrally formed, using integrated injection molding mode system Make, at this time for convenience of be opened, should not integrated injection molding go out end cap 45 in second.

Third adapter tube 313, third adapter tube 313 and 451 plug connection of middle port, water route spacing board are set on shell 300 The fixed step in 46 ends only has the process of grafting, and assembly is very simple, time saving, and reliability is higher.In the example of fig. 1, The 7th intubation 452 is formed in two on end cap 45, the nozzle of the 7th intubation 452 forms above-mentioned middle port 451.7th intubation 452 It can be inserted in third adapter tube 313, the 7th intubation 452 can also be inserted in outside third adapter tube 313.For improve sealing effect, the 7th It is equipped with sealing ring 53 between intubation 452 and third adapter tube 313, also is provided with sealing between end cap 45 and water route spacing board 46 in second Circle 53.

In the example of fig. 1, the distance between end cap 45 and the second outer end cap 44 are smaller in second, and water flow can be made through Water pressure energy reaches delicate balance when one filtration members 10.I.e. when side hydraulic pressure is greater than outer side hydraulic pressure in water route spacing board 46, second Middle end cap 45 may be squeezed on the second outer end cap 44, slow down the rate of filtration of the first filtration members 10.When running well, water flow End cap 45 in second are squeezed, are normally flowed towards second import and export 102.

In some specific examples, all integral parts of part assembled in advance in the first accommodating chamber 100, i.e., by the first filtering Part 10, the second filtration members 20, the first inner end cap 41, the first outer end cap 42, the second inner end cap 43, in the second outer end cap 44, second End cap 45 links into an integrated entity into front and rear Integral filter element in advance.Even the first adapter tube 311, the second adapter tube 312, third adapter tube Sealing ring 53 at 313 can also be pre-assembled in the 442, the 7th intubation 452 of the 432, the 6th intubation of the 5th intubation.

Such front and rear Integral filter element can be directly inserted between transition plates 331 and the first bottle cap 310 in assembly, Machine assembly process is greatly simplified.If the first bottle cap 310 is detachably connected on bottle body 330, that use Family after use, can also be with self-changeable front and rear Integral filter element, and operating procedure when user oneself replaces is also very It is easy, core cost is tested and changed to the core that changes for improving user.

Optionally, as shown in Figure 1 and Figure 4, in second end cap 45, the second inner end cap 43, the second outer end cap 44 top horizontal Together.Be conducive to the first bottle cap 310 to seal the lid at 100 top of the first accommodating chamber

In some examples of the utility model, as shown in Figure 1 and Figure 4, the internal perisporium of shell 300 is equipped with the 4th adapter tube 321, above-mentioned 4th adapter tube 321 is equipped on the second bottle cap 320 in Fig. 5, the 4th adapter tube 321 connection the 5th imports and exports the 301, the 4th End cap 48 is equipped with the 4th intubation 481, and the 4th intubation 481 is connected with 321 grafting of the 4th adapter tube.4th intubation 481 connects with the 4th Between the waste liquid of high concentration and liquid to be clean crossfire does not occur for connected ensure that of 321 grafting of pipe.Furthermore it is ensured that the 4th end Lid 48 is steadily connected to the bottom of shell 300, and preventing spiral wound reverse-osmosis membrane element 3, position becomes during the filtration process Change.

Optionally, it is equipped with sealing ring 53 between the 4th intubation 481 and the 4th adapter tube 321, to improve tightness.

In some specific examples, all integral parts of part assembled in advance, i.e. spiral wound are anti-in the second accommodating chamber 200 Permeable membrane device 3, waste water collector 34, reverse osmosis membrane bag 32, third end cap 47, preparatory the linking into an integrated entity RO of the 4th end cap 48 Membrane filter.Or even the sealing ring 53 at mistake ferry 332, the 4th adapter tube 321, the second intubation the 471, the 4th can also be pre-assembled to In intubation 481.

Such integration RO membrane filter can be directly inserted between transition plates 331 and the second bottle cap 320 in assembly, whole Machine assembling process is greatly simplified.If the second bottle cap 320 is detachably connected on bottle body 330, that user After use, can also be with self-changeable integration RO membrane filter, and operating procedure when user oneself replacement is also very easy to, The core that changes for improving user is tested, and is reduced and is changed core cost.

In some examples of the utility model, the first filtration members 10 are to be rolled by non-woven fabrics, polypropylene layer, carbon fiber Reel, service life is longer.When the filtering for tap water, silt, iron rust and chlorine residue can be tentatively removed.Certainly, first Filtration members 10 can also be rolled only by one of or two kinds of materials filtering layer, be not particularly limited here.

In some examples of the utility model, the second filtration members 20 are hollow carbon-point.It can be used for the whole filter of tap water, carbon Stick can filter out peculiar smell in water body, organic matter, colloid, iron and chlorine residue etc., the drinking water water after making the control water outlet of the second filtration members 20 Matter condition improves mouthfeel.Certainly, the second filtration members 20 can also be formed by active carbon particle, strainer and framework composition, be not limited to The setting form of carbon-point.In addition, carbon filter medium, can also be replaced with KDF55 processing medium (high purity copper/kirsite medium), The suspended solid materials such as the chlorine residue, reduction mineral incrustations, the reduction ferrous oxide that are gone in water removal by electrochemical reaction inhibit micro- life Object removes removing heavy metals.

For the scheme for being best understood from the utility model embodiment, one of the utility model is described below with reference to Fig. 1-Figure 15 The structure of composite filter element component 1000 in specific embodiment.

Following specific embodiments tell about the three-stage filtration function of composite filter element component 1000 for purifying tap water, and Illustrate the Highgrade integration integrated design structure of composite filter element component 1000.In addition, the first filtration members 10 are with non-woven fabrics, polypropylene It is illustrated for the primary filter part of roll type made of layer, carbon fiber and spacer 49 roll；Reverse osmosis membrane bag 32 It is illustrated for using the high water-saving reverse osmosis water-saving film of effluent as intermediate filtered.Second filtration members 20 are with columnar hollow Carbon-point is illustrated for filtering as whole grade.

As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of composite filter element component 1000 is vertically placed, it includes shell 300, shell 300 include bottle body 330 and the first bottle cap 310, the second bottle cap 320, and each bottle cap forms thread seal with bottle body 330 and connect, Sealing element is set at sealing.First bottle cap 310 is equipped with the first import and export 101 into tap water, the second disengaging of preposition water water outlet Mouth 102 and the third inlet and outlet 201 of drinking water water outlet.Second bottle cap 320 is equipped with the 4th that reverse osmosis preposition water is intake Inlet and outlet 302 and the 5th inlet and outlet 301 of reverse osmosis high salinity waste water draining.

As shown in Figure 1, being equipped with sealing component 50 at the 4th inlet and outlet 302 and the 5th inlet and outlet 301.With the in Fig. 3 the 4th For importing and exporting the sealing component 50 at 302, sealing component 50 includes water sealing structure concave station 51, spring 52, sealing ring 53 and stops Water-bound part 54.Water sealing structure concave station 51 is fixed in the second bottle cap 320, and water sealing structure concave station 51 imports and exports 302 towards the 4th Opening, water sealing structure concave station 51 are equipped with the through-hole for being used for water.It is recessed that water sealing structure part 54 is telescopically disposed in water sealing structure In platform 51, a part of water sealing structure part 54 reaches the 4th inlet and outlet 302, and water sealing structure part 54 is equipped with limitation platform 541, limitation The diameter of platform 541 is greater than the diameter of the 4th inlet and outlet 302.Spring 52 is located in water sealing structure concave station 51 and is only against water sealing structure On part 54, make to limit the trend that there are platform 541 the 4th inlet and outlet 302 of direction to stretch out.Water sealing structure part 54 is equipped with the close of a circle Seal 53, when spring 52 can overcome water flow pressure, sealing ring 53 is stopped the endface for being against the 4th inlet and outlet 302 by spring 52, Block the 4th inlet and outlet 302.When connecting external connecting leg at the 4th inlet and outlet 302, external connecting leg is inserted into equipped with contact pin 4th inlet and outlet 302 open the 4th inlet and outlet 302.Once outer tube from the 4th inlet and outlet 302 from pull up, then the 4th into Outlet 302 can be by 50 self-closed of sealing component.The setting of sealing component 50 can facilitate outside 1000 grafting of composite filter element component Portion's connecting leg.

It is equipped with and the vertically disposed transition plates 331 of barrel, transition plates as shown in Figure 1, the inside of shell 300 is integrally formed 331 is axially spaced by shell 300, forms the first accommodating chamber 100 and the second accommodating chamber 200.The middle part of transition plates 331 is along axis Ferry 332 is crossed to equipped with perforation.

As shown in Figure 1, being equipped with two groups of filter elements being nested in the first accommodating chamber 100, it is located at first filtering in outside Part 10 is used as primary filter unit, is located at second filtration members 20 at 100 center of the first accommodating chamber as whole grade filter element.First The axial length of filtration members 10 is greater than the axial length of the second filtration members 20, leads between the first filtration members 10 and the second filtration members 20 The water route spacing board 46 for crossing setting tubular separates.Annular is limited between first filtration members 10 and the inner wall of the first accommodating chamber 100 The first uniformly distributed runner 11, the first uniformly distributed runner 11 is connected with first import and export 101.Water route spacing board 46 and the first filtration members 10 Between limit the second uniformly distributed runner 12 of annular, the second uniformly distributed runner 12 connects second import and export 102.Water route spacing board 46 with The third that annular is limited between second filtration members 20 is evenly distributed with runner 21, and the separate third of the second filtration members 20 is evenly distributed with runner 21 Side is equipped with the cylindrical 4th uniformly distributed runner 22.Third is evenly distributed with runner 21 and connected ferry 332, the 4th uniformly distributed connection of runner 22 the Three inlet and outlet 201.

As shown in Fig. 1, Fig. 5 and Figure 12, the first filtering group 400 is equipped with the first intubation being inserted into ferry 332 421, the first sealing ring 335 is equipped between the first intubation 421 and the inner wall for crossing ferry 332, the second filtering group 500 is equipped with insertion The second intubation 471 in ferry 332 was arrived, is equipped with the second sealing ring 336 between the second intubation 471 and the inner wall for crossing ferry 332, First intubation 421 is inserted into the second intubation 471, and the first sealing ring 335 is located between the first intubation 421 and the second intubation 471, the Two sealing rings 336 are located at the second intubation 471 and cross between ferry 332.

Transition plates 331 surround ferry 332 equipped with the first internal projecting ring 333, transition in the side towards the first accommodating chamber 100 Plate 331 surround ferry 332 in the side towards the second accommodating chamber 200 and is equipped with the second internal projecting ring 334, the first internal projecting ring 333 Outer profile be it is non-circular, transition plates 331 is equipped with the around the second internal projecting ring 334 in the side towards the second accommodating chamber 200 Two outer bulge loops 337, the second outer bulge loop 337 are spaced apart radially with the second internal projecting ring 334, the second internal projecting ring 334, the second evagination Ring 337 is in contact with the end face of the second filtering group 500 to form labyrinth seal.The both ends for crossing ferry 332 are equipped with 45 degree and fall Angle was imported into ferry 332 convenient for the first sealing ring 335 and the second sealing ring 336.

As Figure 1 and Figure 4, the upper end of the second filtration members 20 is equipped with the second inner end cap 43, and the lower end of the second filtration members 20 is set There is the first inner end cap 41；Second inner end cap 43 cooperates on the separate axial end face for crossing ferry 332 of the second filtration members 20.First The upper end of filtration members 10 is equipped with the second outer end cap 44, and the axial end face that the direction of the first filtration members 10 crosses ferry 332 is equipped with the One outer end cap 42, integrally formed with water route spacing board 46 on the first outer end cap 42.Second outer end cap 44 and the second inner end cap 43 it Between be cased with end cap 45 in second, in second end cap 45 cooperation on the peripheral wall of water route spacing board 46.End cap 45 and third in second Sealing element is added between adapter tube 313, adds sealing element between the second inner end cap 43 and the first adapter tube 311.

As shown in Figure 1 and Figure 4, the first adapter tube 311, the second adapter tube 312, third adapter tube 313 on the first bottle cap 310, second Middle end cap 45 and 313 plug connection of third adapter tube, form connection second import and export between third adapter tube 313 and the second outer end cap 44 102 channel.

As shown in Figure 1, the third filtration members 30 of tubular are located in the second accommodating chamber 200.Third filtration members 30 and second are held Receive chamber 200 inner wall between limit the 5th uniformly distributed runner 31,33 face of central tube at the center of third filtration members 30 crosses ferry 332 settings.The tube wall of central tube 33 was equipped with drainage and enters hole, and the tube wall of central tube 33 is equipped with reverse osmosis membrane bag 32.Instead Infiltration diaphragm bag 32 is reverse osmosis membrane bag 32, and reverse osmosis membrane bag 32 has first part and second part, each waste water collection Pipe 34 and central tube 33 are separated by the first part of at least one reverse osmosis membrane bag 32, and the second of multiple reverse osmosis membrane bags 32 Part is formed around the pipe group for being centered around central tube 33 and multiple waste water collectors 34 composition, and multi-layer helical rolling film group is formed Part.

As shown in figures 9 and 11, in a ring and equipped with five waste water collectors 34, each waste water collector 34 around central tube 33 It is connected across second end cover 320 with the 5th inlet and outlet 301, the corresponding film bag of every waste water collector 34.

As shown in Fig. 1, Fig. 4, Fig. 5, Fig. 8, Fig. 9, Figure 10, the both ends of spiral wound reverse-osmosis membrane element 3 are respectively equipped with Three end caps 47 and the 4th end cap 48, third end cap 47 is enclosed in third filtration channel 32 and the first filtering of direction of waste water flowing lumen is single One end of member 100, the 4th end cap 48 are enclosed in separate first filter element 100 of third filtration channel 32 and filtered water stream cavity One end.The both ends of third end cap 47 are equipped with the second intubation 471 and third intubation 472 communicated, and the second intubation 471 is plugged on transition In mouth 332, third intubation 472 is connected with central tube 33.It is convex that third end cap 47 is equipped with the fool proof cooperated with 34 fool proof of waste pipe Play 473.The peripheral wall of third end cap 47 is equipped with the first assembly location structure 474 and the top of third filtration members 30 cooperates assembly.The Four end caps 48 are equipped with the waste discharge mouth 482 being connected with waste water collector 34.Second bottle cap 320 is equipped with the 4th adapter tube 321, and the 4th connects The 5th inlet and outlet 301 of the connection of pipe 321, the 4th end cap 48 are equipped with the 4th intubation 481, and the 4th intubation 481 and the 4th adapter tube 321 are inserted It connects connected.4th end cap 48 is equipped with the sprue (not shown) that cooperation is blocked with central tube 33.Third end cap 47 and first Sealing ring 53 is added between outer end cap 42, adds sealing ring 53 between the first outer end cap 42 and excessively ferry 332.

The filter process of entire tap water is, tap water enters the first uniformly distributed runner 11 from first import and export 101, and to diameter It flows inwardly, flows to the second uniformly distributed runner 12 after the filtering of the first filtration members 10, and from the second import and export on top 102 It is flowed out as preposition water.Preposition water after outflow is overpressurized and is pumped into the 4th inlet and outlet 302, and in the 5th uniformly distributed runner 31 Uniformly distributed, flowing sideways into and being filtered by third filtration members 30 from the reverse osmosis water-saving film of effluent, the waste water of high salinity is by waste water collector 34 collect simultaneously from the 5th inlet and outlet 301 discharge, pure water then by central tube 33 upwards collect across cross ferry 332.Pure water is from transition Mouth 332 is evenly distributed with runner 21 into third, and filters through the second filtration members 20, into the 4th uniformly distributed runner 22, and passes in and out from third 201 outflow of mouth is drunk.

In the description of the present invention, it should be understood that term " center ", " length ", "upper", "lower", "vertical", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside", " axial direction ", " radial direction " be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

According to the mistake of for example each filter assemblies of other compositions of the composite filter element component 1000 of the utility model embodiment Filter function, the material of each filter assemblies selection be all for those of ordinary skills it is known, here no longer in detail Thin description.

In the description of this specification, the description of reference term " embodiment ", " example " etc. mean combine the embodiment or Example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model. In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description Particular features, structures, materials, or characteristics can be tied in an appropriate manner in any one or more of the embodiments or examples It closes.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (11)

1. a kind of composite filter element component characterized by comprising

Shell, the first accommodating chamber and the second accommodating chamber are limited in the shell, and first accommodating chamber and described second accommodate It is spaced apart between chamber by transition plates, the transition plates was equipped with ferry, and hydraulic pressure is higher than described the in second accommodating chamber Hydraulic pressure in one accommodating chamber；

First filtering group, the first filtering group are set in the first receiving cavity, and the first filtering group is equipped with and is inserted into First intubation crossed in ferry, is equipped with the first sealing ring between first intubation and the inner wall for crossing ferry；

Second filtering group, the second filtering group are located in second accommodating chamber, and the second filtering group is equipped with and is inserted into Second intubation crossed in ferry, is equipped with the second sealing ring between second intubation and the inner wall for crossing ferry, described Water flows to first accommodating chamber through the ferry of crossing after the second filtering group filtering in second accommodating chamber.

2. composite filter element component according to claim 1, which is characterized in that in first intubation and second intubation One be inserted into another, first sealing ring and second sealing ring radially arrange and form double-layer seal.

3. composite filter element component according to claim 1, which is characterized in that the transition plates is accommodated towards described first The side of chamber is equipped with the first internal projecting ring around the ferry of crossing, and the transition plates is surround towards the side of second accommodating chamber The ferry of crossing is equipped with the second internal projecting ring, to extend the axial length for crossing ferry.

4. composite filter element component according to claim 3, which is characterized in that first internal projecting ring and second convex At least one of ring, outer profile are non-circular.

5. composite filter element component according to claim 3, which is characterized in that the transition plates is accommodated towards described second The side of chamber is equipped with the second outer bulge loop around second internal projecting ring, and the second outer bulge loop and second internal projecting ring are in diameter It is spaced apart upwards, second internal projecting ring, the second outer bulge loop are in contact to be formed with the end face of the second filtering group Labyrinth seal.

6. composite filter element component according to claim 1, which is characterized in that described at least one end for crossing ferry is equipped with 30 degree To 60 degree of chamfering, first sealing ring and/or second sealing ring are imported into the ferry excessively.

7. composite filter element component according to claim 1, which is characterized in that the shell includes: the bottle body of both ends open With two bottle caps, two bottle caps seal cooperation at the both ends of the bottle body respectively, and the transition plates is connected to the bottle body On.

8. composite filter element component according to claim 7, which is characterized in that two bottle caps revolve respectively weldering connection or Spiral is connected on the bottle body.

9. composite filter element component according to claim 7, which is characterized in that the transition plates is integrally formed in the bottle body On or the transition plates be welded to connect on the bottle body.

10. composite filter element component according to claim 1, which is characterized in that the shell is equipped with first import and export, the Two inlet and outlet, third inlet and outlet, the first filtering group include the first filtration members and the second filtration members,

The first filtering group includes water route spacing board, and the water route spacing board is set in the first receiving cavity, the water route Spacing board will be separated out the first low-pressure area and the second low-pressure area between first accommodating chamber, first filtration members are located at described first In low-pressure area, the water flowed by the first import and export flows out after first filtration members from the second import and export, described Second filtration members are located in second low-pressure area, cross water that ferry flows into after second filtration members from described the from described Three inlet and outlet outflows.

11. composite filter element component according to claim 1, which is characterized in that the shell be equipped with the 4th inlet and outlet and 5th inlet and outlet,

The second filtering group includes: spiral wound reverse-osmosis membrane element, and the spiral wound reverse-osmosis membrane element includes: center Pipe group and multiple reverse osmosis membrane bags, the central tube group include the waste pipe of central tube and multiple settings spaced apart, Duo Gesuo It states waste pipe to be arranged around the central tube, the tube wall of the central tube was equipped with drainage and enters hole, the tube wall of the waste pipe It is equipped with waste water and enters hole；

The reverse osmosis membrane bag has the first part being located inside the central tube group and is located at outside the central tube group Second part, each waste pipe and the central tube by the first part of reverse osmosis membrane bag described at least one every It opens, the second part of multiple reverse osmosis membrane bags forms the plural layers group being centered around around the central tube group Part；Wherein,

The water for entering second accommodating chamber from the 4th inlet and outlet flows to the mistake after reverse osmosis membrane bag filtering Drainage enters hole, and the waste pipe is connected with the 5th inlet and outlet, and the central tube is connected with the ferry of crossing.