CN209522671U

CN209522671U - Composite filter element component

Info

Publication number: CN209522671U
Application number: CN201821790008.2U
Authority: CN
Inventors: 李杨敏; 桂鹏; 郑跃东
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2019-10-22
Anticipated expiration: 2028-10-31

Abstract

The utility model discloses a kind of composite filter element components, the composite filter element component includes: shell, the first filtering group and 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, first accommodating chamber is low pressure chamber, second accommodating chamber is high pressure chest, first filtering group is located in the first accommodating chamber, second filtering group is located in the second accommodating chamber, water flows to the first accommodating chamber by ferry after the filtering of the second filtering group in second accommodating chamber.According to the composite filter element component of the utility model embodiment, pass through the runner design of transition plates and composite filter element component, so that shell is divided into low pressure chamber and high pressure chest, so that low pressure can purification filtering the first filtering group and need high pressure could purification filtering the second filter component from, reduce piping connection, leak risk is reduced, purification filtering effect is improved, high reliablity, purification filtering effect are good.

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 component.

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, multiple functions filter core is had in water purifier, to remove different types of harmful substance in tap water.

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 that a kind of composite filter element component, the composite filter element component reduce piping connection, reduce leak wind Danger improves purification filtering effect, and high reliablity, purification filtering effect are good.

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 first accommodating chamber is low pressure chamber, and second accommodating chamber is high pressure Chamber, lower than hydraulic pressure in second accommodating chamber, the first filtering group is located at described first and holds hydraulic pressure in first accommodating chamber Receive intracavitary, the second filtering group is located in second accommodating chamber, and water is through the second filtering group in second accommodating chamber After filtering, first accommodating chamber is flowed to through the ferry of crossing.

According to the composite filter element component of the utility model embodiment, the first accommodating chamber and are divided housing 135 by transition plates Two accommodating chambers, thus by the first filtering group and the second filter component from the first accommodating chamber being set as low pressure chamber, the second accommodating chamber is set For high pressure chest, reduce the structural requirement of low pressure chamber, also make relatively low pressure can purifying filtered water the first filtering group It in low pressure chamber, needs the second filter assemblies of higher hydraulic pressure in high pressure chest, reduces piping connection, reduce leak risk, mention High purification filtering effect, runner design is simple, and high reliablity, purification filtering effect are good.

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, 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, the second filtration members and water route spacing board, and the water route spacing board is located at institute It states in the first accommodating chamber, the water route spacing board will be separated out the first low-pressure area and the second low-pressure area, institute between first accommodating chamber The first filtration members are stated to be located in first low-pressure area, the water flowed by the first import and export after first filtration members from The second import and export outflow, second filtration members are located in second low-pressure area, from the water warp crossing ferry and flowing into It imports and exports and flows out from the third after second filtration members.

In some embodiments of the utility model, hydraulic pressure is 0.7-0.85MPa in the high pressure chest.

In some embodiments of the utility model, hydraulic pressure is less than or equal to municipal water supply hydraulic pressure in the low pressure chamber.

Optionally, hydraulic pressure is 0.1-0.4MPa in first low-pressure area.

Optionally, the water route spacing board is tubular, and second filtration members are located at the inside of the water route spacing board, institute State the outside that the first filtration members are located at the water route spacing board；The first filtering group includes the first outer end cap, outside described first One end week of end cap and the water route spacing board, first outer end cap, which is equipped with, was connected to second low-pressure area along being tightly connected The first intubation, first intubation is connected with the transition plates, described first be intubated between the transition plates equipped with first Sealing element, to avoid the high pressure chest and the first low-pressure area crossfire.

In some examples of the utility model, the first filtering group includes end cap in second, end cap in described second With other end week of the water route spacing board along being tightly connected, second middle-end is covered equipped with being intubated in second, and described second Middle intubation is connect with the housing seal, to avoid second low-pressure area and the first low-pressure area crossfire.

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 water collector of central tube and multiple settings spaced apart, multiple waste water Collector is arranged around the central tube, and the tube wall of the central tube was equipped with drainage and enters hole, on the tube wall of the waste water collector Enter hole equipped with waste water；The reverse osmosis membrane bag has the first part being located inside the central tube group and is located at the center Second part outside pipe group, each waste water collector and the central tube are by of reverse osmosis membrane bag described at least one A part separates, and the second part formation of multiple reverse osmosis membrane bags is centered around more around the central tube group Layer film component；Wherein, it is flowed after reverse osmosis membrane bag filtering from the water that the 4th inlet and outlet enter the high pressure chest Enter hole to the drainage of crossing, the waste water collector is connected with the 5th inlet and outlet, and the central tube is connected with the ferry of crossing.

In some examples of the utility model, the second filtering group further include: third end cap and the 4th end cap, it is described Third end cap and the 4th end cap are connected to the axial ends of the spiral wound reverse-osmosis membrane element, the third end Lid is arranged towards the transition plates, and the central tube is connected by the third end cap with the ferry of crossing, the waste water collector It is connected by the 4th end cap with the 5th inlet and outlet.

Optionally, the axial ends for the circular cylinder that the reverse osmosis membrane bag rolls out is adhesive in the third end cap and described On 4th end cap.

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 Fig. 1；

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 is a piece of osmosis filtration film and central tube, a waste water collector cooperation of the utility model one embodiment Top view；

Figure 11 is the top view of spiral wound reverse-osmosis membrane element in 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；Second interpolation pipe 432；

Second outer end cap 44；External port 441；Second outer tube 442；

End cap 45 in second；Middle port 451；452 are intubated in second；

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；Logical intubation 471 outside third；Lead to intubation 472 in third；Positioning 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.

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 11 description according to the composite filter element component 1000 of the utility model embodiment.

As shown in figures 1 and 3, according to the composite filter element component 1000 of the utility model embodiment, including shell 300, One 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, and here, transition plates 331 makes the One accommodating chamber 100 and the second accommodating chamber 200 form two cavitys being totally separated by shell 300, can lead between two cavitys Crossed the connection of ferry 332.

First accommodating chamber 100 is low pressure chamber, and the second accommodating chamber 200 is high pressure chest, and low pressure and high pressure here is for comparing It distinguishes, i.e. hydraulic pressure is lower than hydraulic pressure in the second accommodating chamber 200 in the first accommodating chamber 100.300 inner cavity of shell is passed through into transition plates 331 It is separated into the first accommodating chamber 100 and the second accommodating chamber 200, design is able to satisfy requirement of the different filter structures to hydraulic pressure.For example, Filtering circulating resistance is small in first accommodating chamber 100, thus the first accommodating chamber 100 is designed as low pressure chamber, and such water purification system is not necessarily to Booster pump is configured for the first accommodating chamber 100,100 inner body of the first accommodating chamber and corresponding connector pressure-bearing are small, component assembly sealing Reliability requirement is low.And filtering circulating resistance is big in the second accommodating chamber 200, can be individually for the configuration of the second accommodating chamber 200 at this time and increase Press pump, while to guarantee the bearing capacity of 200 inner body of the second accommodating chamber and phase adapter.It is provided separately, is conducive in this way Reduce cost.

First filtering group 400 is located in the first accommodating chamber 100, and the second filtering group 500 is located in the second accommodating chamber 200, the Water flows to the first accommodating chamber 100 by ferry 332 after the filtering of the second filtering group 500 in two accommodating chambers 200.That is, the One filtering group 400 can give full play to filtration in the relatively low low pressure chamber of hydraulic pressure, and the second filtering group 500 needs hydraulic pressure Filtration can be just given full play in relatively high high pressure chest.Here it is possible to be that water flow is purifying in the first accommodating chamber 100 After passed through ferry 332 and flow to the second accommodating chamber 200, be also possible to water flow in the second accommodating chamber 200 and pass through transition after cleaning Mouth 332 flows to the first accommodating chamber 100, here with no restriction.

First filtering group 400 and the second filtering group 500 are respectively distributed in different cavitys, and the first filtering group 400 is One accommodating chamber 100, the second filtering group 500 in the second accommodating chamber 200, compared with the prior art in be arranged one in each filter element shell Group filtration members, mode made of each filter core is connected by external pipeline again, the utility model subtract to a certain extent Lack the setting of external connection pipeline, and then reduced exterior space required when installation, saves the cabinet interior volume of user； Meanwhile enhancing whole performance attractive in appearance.

According to the composite filter element component 1000 of the utility model embodiment, shell 300 is divided into first by transition plates 331 Accommodating chamber 100 and the second accommodating chamber 200, to the first filtering group 400 and the second filtering group 500 be separated, by the first accommodating chamber 100 are set as low pressure chamber, and the second accommodating chamber 200 is set as high pressure chest, reduces the structural requirement of low pressure chamber, also makes in relatively low pressure The the first filtering group 400 that can be purified concentrates on low pressure chamber, and the second filtering group 500 of higher hydraulic pressure is needed to concentrate on high pressure Chamber reduces piping connection, reduces leak risk, improves purification filtering effect, and runner design is simple, high reliablity, net It is good to change filter effect.

In some embodiments of the utility model, 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 10,20 and of the second filtration members Water route spacing board 46, water route spacing board 46 are located in the first accommodating chamber 100, and the first accommodating chamber 100 is spaced by water route spacing board 46 The first low-pressure area 1 and the second low-pressure area 2, the first filtration members 10 are located in the first low-pressure area 1, are flowed by first import and export 101 out Water after the first filtration members 10 from second import and export 102 flow out, the second filtration members 20 are located in the second low-pressure area 2, from transition The water that mouth 332 flows into are after the second filtration members 20 from 201 outflow of third inlet and outlet.That is, water route spacing board 46 make with The first filtration members 10 and the second filtration members 20 in first accommodating chamber 100 are separated, and two independent purification water routes are formed.And The setting for crossing ferry 332 makes the second accommodating chamber 200 connect with one of purification water route of the first accommodating chamber 100.

Optionally, in the first accommodating chamber 100, other filtration members can be connected between two groups of filtration members；It can also be directly by The water inlet of one filtration members 10 and the water outlet of the second filtration members 20 are connected；Or directly by the water outlet of the first filtration members 10 and The water inlets of two filtration members 20 is connected so that the purification water route between the first filtration members 10 and the second filtration members 20 formed it is 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.Herein, the first filtering can be evenly distributed in the first uniformly distributed runner 11 The liquid to be clean of part 10 can also be evenly distributed with the first filtration members 10 purified liquid.

The second uniformly distributed runner 12 is limited between water route spacing board 46 and the first filtration members 10.Herein, when the first uniformly distributed stream Uniformly distributed first filtration members 10 liquid to be clean in road 11, then after uniformly distributed first filtration members 10 have purified in the second uniformly distributed runner 12 Liquid；Conversely, also may be used.Second uniformly distributed runner 12 connects second import and export 102.That is, when first import and export 101 is import, Second import and export 102 is then outlet；When first import and export 101 is outlet, second import and export 102 is then import.

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 A connection third inlet and outlet 201, third be evenly distributed with runner 21 and the 4th uniformly another in runner 22 connected ferry 332.This Place, 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 equal When cloth 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, saves the filtered water of the second filtering group 500 and is flowing to the filtering of the second filtration members 20 When required laying external connection pipeline；It is also possible to the saving filtered water of the second filtration members 20 and is flowing to the second filtering The external connection pipeline of required laying when 500 filtering of group, is conducive to composite filter element component 1000 and reduces overall dimensions, favorably In the arrangement for simplifying 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.

In some embodiments of the utility model, as shown in figure 3, shell 300 includes: bottle body 330 and two bottle caps, bottle The both ends open of body 330, at the both ends of bottle body 330, each bottle cap is removably sealedly connected on bottle body for two bottle cap cooperations On 330.Herein, detachably connected can be to be threadedly coupled, i.e., a setting external screw thread on the end of bottle body 330 and bottle cap, The internal screw thread matched is arranged in another, and sealing ring can be equipped between internal screw thread and external screw thread, can reinforce fastening effect, Sealing effect can be improved.Buckle, bottle body is arranged in detachably connected or clamping connection, such as the end of bottle body 330 Card hole is set on first bottle cap 310 and the second bottle cap 320 at 330 both ends, so that 310, second bottles of bottle body 330 and the first bottle cap Lid 320 is respectively formed clamping relationship.Certainly, it is practical new to can be used for this for other dismountable connection types being readily apparent that In type, here with no restrictions.

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.

As shown in figures 1 and 3, ferry 332 is crossed equipped with what is penetrated through in a thickness direction in the middle part of transition plates 331.Optionally, When bottle body 330 is plastic parts, transition plates 331 and 330 integrated injection molding of bottle body, integrated molding facilitate processing and manufacturing, and mistake It is tightly connected very reliably, avoids when stress is impacted or two sides pressure difference is excessive, transition plates between cab apron 331 and bottle body 330 331 deflection, leaks etc. in bottle body 330.Certainly, transition plates 331 can also be connected with welding in bottle body 330, here with no restriction. No matter integrated injection molding, or be welded to connect, can preferably bear between the first accommodating chamber 100 and the second accommodating chamber 200 Pressure difference, avoid high pressure water in the second accommodating chamber 200 from penetrating into the first accommodating chamber 100 without ferry 332.

It should be noted that the second filtering group 500 hydraulic pressure during purification filtering will be kept in a certain range.Cause If smaller for hydraulic pressure, water flow can not largely pass through the second filtering group 500, and it is too low to will lead to purge amount, if hydraulic pressure is larger It is easy to damage the second filtering group 500.In some embodiments of the utility model, hydraulic pressure is 0.7-0.85Mpa in high pressure chest, Hydraulic pressure i.e. in high pressure chest is minimum not less than 0.7Mpa, and highest does not exceed 0.85Mpa.Hydraulic pressure within this range, herein compared with High hydraulic pressure is conducive to the second filtering group 500 and gives full play to filtering concerted effort, and that accelerates water flow crosses film speed.The hydraulic pressure of high pressure chest is big In municipal water supply hydraulic pressure, therefore, booster pump is needed to be pressurized when water flow is to high pressure chest.

In some embodiments of the utility model, hydraulic pressure is less than or equal to municipal water supply hydraulic pressure in low pressure chamber, and first accommodates It can be directly from municipal water supply water receiving when water inlet in chamber 100.In some embodiments of the utility model, the first low-pressure area 1 Interior hydraulic pressure is 0.1-0.4MPa, that is, hydraulic pressure minimum 0.1Mpa, up to 0.4Mpa in the first low-pressure area 1.In this range Interior hydraulic pressure is lower, does not need booster pump pressurization.

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 filtering group 400 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 is evenly distributed with 21, one layers of runner, 46, one layer second of water route spacing board and is evenly distributed with 12, one layer first of runner, 10, one layer first of filtration members 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 The installation space that 100 integral arrangement of accommodating chamber is compact, occupies is few, integrated level is high.Facilitate the first filtration members 10 of installation and the second mistake Filter part 20.

In some embodiments, the first filtering group 400 includes the first outer end cap 42, the first outer end cap 42 and water route spacing board 46 one end week is along sealed connection.Specifically, the first outer end cap 42 and the first filtration members 10 cooperate, and enclose the first filtration members 10, the bottom of the second uniformly distributed runner 12, and support is provided for the first filtration members 10, it effectively prevent 10 two sides liquid of the first filtration members Body is mutually gone here and there in bottom.Water route spacing board 46 is connected on the first outer end cap 42, is conducive to the first outer end cap 42 and is securely disposed at Specific position makes the second uniformly distributed runner 12 and third be evenly distributed with runner 21 and reliably separates, crossfire, water quality is avoided to reduce.

Optionally, water route spacing board 46 and the first outer end cap 42 are integrally formed part, can facilitate processing and manufacturing.It is integrally formed It is less prone to gap between water route spacing board 46 and the first outer end cap 42 afterwards, position is more stable.

The end face of first filtration members 10 is adhesive on the first outer end cap 42.It is not only easy to assembly in this way, but also convenient for one The installation of core.Optionally, the first filtration members 10 are sealedly connected on the first outer end cap 42 by a circle hot melt adhesive.

In some embodiments, as shown in Figure 1, the first filtering group 400 includes end cap 45 in second, end cap 45 in second End cap 45 was equipped in second and was intubated 452 in second, is intubated in second along being tightly connected other end week with water route spacing board 46 452 are tightly connected with shell 300, to avoid 1 crossfire of the second low-pressure area 2 and the first low-pressure area.Specifically, end cap 45 is solid in second The top of fixed first filtration members 10, effectively prevent 10 two sides water flow of the first filtration members to connect at top.Water route spacing board 46 connects End cap 45 in second can facilitate the second filtration members 20 to be initially charged in the second low pressure 2 in this way.

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.Central tube group 13 includes central tube 33 and multiple settings spaced apart Waste water collector 34, multiple waste water collectors 34 are arranged around central tube 33, and the tube wall of central tube 33 was equipped with drainage and enters hole, waste water The tube wall of collector 34 is equipped with waste water and enters hole, and reverse osmosis membrane bag 32 has the first part being located inside central tube group 13 and position Second part outside central tube group 13, each waste water collector 34 and central tube 33 are by least one reverse osmosis membrane bag 32 First part separates, and the second part of multiple reverse osmosis membrane bags 32 forms the plural layers being centered around around central tube group 13 Component；Wherein, drainage was flowed to after the filtering of reverse osmosis membrane bag 32 from the water that the 4th inlet and outlet 302 enter high pressure chest enter hole, Waste water collector 34 is connected with the 5th inlet and outlet 301, and 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: third end cap 47 With the 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, Third end cap 47 is arranged towards transition plates 331, and central tube 33 is connected by third end cap 47 with ferry 332 is crossed, waste water collector 34 It is connected by the 4th end cap 48 with the 5th inlet and outlet 301.As shown in Figure 1, the both ends of third end cap 47 are equipped with outside the third communicated Lead to intubation 472 in logical intubation 471 and third, logical intubation 471 was plugged in ferry 332 outside third, lead in third intubation 472 with Central tube 33 is connected.Here, third end cap 47 encloses the top of spiral wound reverse-osmosis membrane element 3, and anti-for spiral wound Permeable membrane device 3 provides the support connection at top, effectively prevents in spiral wound reverse-osmosis membrane element 3 liquid in top phase String.

4th end cap 48 encloses the bottom of spiral wound reverse-osmosis membrane element 3, and is spiral wound reverse-osmosis membrane element 3 The sealing and support of bottom are provided, liquid in spiral wound reverse-osmosis membrane element 3 is effectively prevented and is mutually gone here and there in bottom.Waste water Collector 34 has been connected to waste discharge mouth 482 and the 5th inlet and outlet 301, and the waste water of high salinity is made to flow out shell 300 fast enough.

Wherein, third end cap 47 was plugged in ferry 332 by intubation 471 logical outside third, on the one hand convenient for sealing, was prevented Only high pressure water filters without spiral wound reverse-osmosis membrane element 3 and just flowed to ferry 332 in the second accommodating chamber 200, on the other hand It utilized ferry 332 to position, assembly difficulty can also be reduced while improving positioning accuracy.

Third end cap 47 is plugged on central tube 33 by leading to intubation 472 in third, on the one hand utilizes intubation logical in third Face contact between 472 and 33 tube wall of central tube realizes sealing, on the other hand facilitates the positioning and installation of central tube 33, prevents from growing Phase uses 33 skew of rear center's pipe, leak.

In addition, third end cap 47 is equipped with positioning protrusion 473, positioning protrusion 473 and waste water collector 34 such as Fig. 1 and Fig. 8 It is correspondingly arranged, one end of waste water collector 34 is inserted on positioning protrusion 473, and there is this positioning protrusion 473 certain fool proof to cooperate function Can, facilitate third end cap 47 and 34 location and installation of waste water collector, prevents 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.

Advantageously, logical outside third to be intubated 471 and cross between ferry 332 equipped with sealing ring.

Reverse-osmosis membrane element uses the water-saving film of effluent, is intake by effluent, improves film surface flow velocity, guarantees higher pure water The rate of recovery and the longer service life of film bag.It needs to pressurize to liquid in advance and be pumped into the 4th inlet and outlet 302 again.

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, point of no 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 20 bottom liquid of the second filtration members and mutually go here and there, ensure that the second filtering The filter effect of part 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, so that third is evenly distributed with runner 21 and keep being connected to ferry 332 is crossed.That is, the filtered water of the second filtration members 20 Spiral wound reverse-osmosis membrane element 3 can be flowed to by ferry 332, be filtered again by spiral wound reverse-osmosis membrane element 3；Alternatively, The filtered water of spiral wound reverse-osmosis membrane element 3 can flow to the second filtration members 20 by ferry 332, again by the second filtration members 20 Secondary filtering.

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.

In some embodiments of the utility model, as shown in Figure 1, the first outer end cap 42 is equipped with the first intubation 421, the One intubation 421 was plugged in ferry 332, is sealed and is cooperated between the first intubation 421 and the inner wall for crossing ferry 332.First intubation 421 were plugged in ferry 332, on the one hand further enclosed ferry 332, prevented the first accommodating chamber 100 and second from accommodating Unnecessary crossfire occurs for the liquid between chamber 200；On the other hand, make the second filtration members 20 and spiral wound reverse-osmosis membrane element Runner connection between 3 is more easy.

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 direction for crossing ferry 332 On end 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.This In, the 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 the Three inlet and outlet 201 provide trend, effectively prevent the liquid to be clean of 20 two sides of the second filtration members, and it is purified after Liquid mutually gone here and there at top, further ensure the filter effect of the second filtration members 20.Through the filtered stream of the second filtering group 500 Body 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 makes the fixed change of the first filter core, the second filter core in shell 300 It must be very easy to.

It can be seen, one end of the first filtration members 10 was plugged on ferry 332 by the first outer end cap 42, the The other end of one filtration members 10 is plugged on the second adapter tube 312 by the second outer end cap 44, the position of such first filtration members 10 Obtain substantially stationary, and the step of assembling only has the process of both ends grafting, it can be seen that its assembly is very simple, time saving.And 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 of the first filtration members 10 is reliable Property 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 second interpolation pipe 432 is formed in the second inner end cap 43, the second interpolation pipe 432 Nozzle forms above-mentioned inner port 431.Second interpolation pipe 432 can be inserted in the first adapter tube 311, and the second interpolation pipe 432 can also be with It is inserted in outside the first adapter tube 311.To improve sealing effect, sealing ring is equipped between the second interpolation pipe 432 and the first adapter tube 311.

In example as shown in Figure 1 and Figure 4, the second outer tube 442, the second outer tube are formed on the second outer end cap 44 442 nozzle forms above-mentioned external port 441.Second outer tube 442 can be inserted in the second adapter tube 312, the second outer tube 442 It can be inserted in outside the second adapter tube 312.To improve sealing effect, sealing is equipped between the second outer tube 442 and the second adapter tube 312 Circle.

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 42 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, It is formed in second on end cap 45 in two and is intubated 452, the nozzle of intubation 452 forms above-mentioned middle port 451 in second.It is inserted in second Pipe 452 can be inserted in third adapter tube 313, and 452 are intubated in second can also be inserted in outside third adapter tube 313.To improve sealing effect Fruit, equipped with sealing ring between intubation 452 and third adapter tube 313 in second, in second between end cap 45 and water route spacing board 46 Equipped with sealing ring.

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 at 313 can also be pre-assembled to the second interpolation pipe 432, in the second outer tube 442, second in intubation 452.

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 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, filter membrane 32, third end cap 47, preparatory the linking into an integrated entity RO membrane filtration of the 4th end cap 48 Core.Ferry 332, the sealing ring at the 4th adapter tube 321 are even crossed, it is slotting that logical intubation the 471, the 4th outside third can also be pre-assembled to On pipe 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 11 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；Filter membrane 32 is with Gao Jie The reverse osmosis water-saving film of the effluent of water for intermediate filtered as being illustrated.Second filtration members 20 are made with columnar hollow carbon-point To be illustrated for the filtering of 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 sealing knot On component 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 a circle Sealing ring 53, when spring 52 can overcome water flow pressure, sealing ring 53 is stopped the end face for being against the 4th inlet and outlet 302 by spring 52 Place blocks the 4th inlet and outlet 302.When connecting external connecting leg at the 4th inlet and outlet 302, external connecting leg is inserted equipped with contact pin To the 4th inlet and outlet 302, open the 4th inlet and outlet 302.Once outer tube is pulled up from the 4th inlet and outlet 302, then and the 4th Inlet and outlet 302 can be by 50 self-closed of sealing component.The setting of sealing component 50 can facilitate 1000 grafting of composite filter element component External 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 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 internal perisporium of shell 300, End cap 45 and 313 plug connection of third adapter tube in second, between third adapter tube 313 and the second outer end cap 44 formation connect second into The channel of outlet 102.

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 filter membrane 32.Filter membrane is Reverse osmosis membrane bag 32, reverse osmosis membrane bag 32 have first part and second part, each waste water collector 34 and central tube 33 It is separated by the first part of at least one reverse osmosis membrane bag 32, the second part formation of multiple reverse osmosis membrane bags 32 surrounds Around the pipe group that central tube 33 and multiple waste water collectors 34 form, multi-layer helical rolling film assembly is formed.

As shown in figures 9 and 11, in a ring and equipped with five waste water collectors 34, each waste water collector around central tube 33 34 pass through second end cover 320 is connected with the 5th inlet and outlet 301, the corresponding film bag of every waste water collector 34.Pure water in film bag Enter hole by drainage excessively and enter central tube 33, the outer waste water of film bag enters hole by waste water and enters 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, which are equipped with outside the third communicated, leads to intubation 472, logical intubation outside third in logical intubation 471 and third 471 were plugged in ferry 332, and intubation 472 is led in third and is connected with central tube 33.Third end cap 47 is equipped with and waste water collection The positioning protrusion 473 of 34 fool proof of pipe cooperation.Positioning protrusion 473 can be inserted into the upper end of waste water collector 34, to block waste water collector 34 Upper end so that waste water from the lower end of waste water collector 34 flow out.4th end cap 48 is equipped with the waste discharge being connected with waste water collector 34 Mouth 482.Shell 300 is equipped with the 4th adapter tube 321, and the 5th inlet and outlet 301 of the 4th adapter tube 321 connection, the 4th end cap 48 is equipped with 4th intubation 481, the 4th intubation 481 are connected with 321 grafting of the 4th adapter tube.4th end cap 48 is equipped with matches with the closure of central tube 33 The sprue (not shown) of conjunction.Sealing ring, the first outer end cap 42 and mistake are added between third end cap 47 and the first outer end cap 42 Sealing ring is added between ferry 332.The outer periphery of third end cap 47 and the 4th end cap 48 is equipped with dead axle protrusion, and dead axle protrusion can Cooperate with 330 inner wall of bottle body, the opposite sliding between third end cap 47 and the 4th end cap 48 and bottle body 330 is limited, to limit Opposite sliding between spiral wound reverse-osmosis membrane element 3 and bottle body 330.

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", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "top", "bottom", "inner", "outside", " axial direction ", " radial direction " To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage Solution is limitations of 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, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

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

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 being spaced apart between chamber by transition plates, the transition plates was equipped with ferry, and first accommodating chamber is low pressure chamber, and described second Accommodating chamber is high pressure chest, and hydraulic pressure is lower than hydraulic pressure in second accommodating chamber in first accommodating chamber；

First filtering group, the first filtering group are set in the first receiving cavity；

Second filtering group, the second filtering group are located in second accommodating chamber, and water is through described in second accommodating chamber After the filtering of two filtering groups, first accommodating chamber is flowed to through the ferry of crossing.

2. 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 includes the first filtration members, the second filtration members and water route spacing board, described Water route spacing board is set in the first receiving cavity, and the water route spacing board will be separated out the first low-pressure area between first accommodating chamber With the second low-pressure area, first filtration members are located in first low-pressure area, and the water flowed by the first import and export is through institute It states and is flowed out from the second import and export after the first filtration members, second filtration members are located in second low-pressure area, from described The water for crossing ferry inflow, which is imported and exported after second filtration members from the third, to flow out.

3. composite filter element component according to claim 1, which is characterized in that hydraulic pressure is 0.7- in the high pressure chest 0.85MPa。

4. composite filter element component according to claim 1, which is characterized in that hydraulic pressure is less than or equal to municipal administration in the low pressure chamber Water supply pressure.

5. composite filter element component according to claim 2, which is characterized in that hydraulic pressure is 0.1- in first low-pressure area 0.4MPa。

6. composite filter element component according to claim 2, which is characterized in that the water route spacing board is tubular, described the Two filtration members are located at the inside of the water route spacing board, and first filtration members are located at the outside of the water route spacing board；It is described First filtering group includes the first outer end cap, one end week edge sealed connection of first outer end cap and the water route spacing board, institute It states the first outer end cap and is equipped with the first intubation for being connected to second low-pressure area, first intubation is connected with the transition plates, It is equipped with first seal between first intubation and the transition plates, to avoid the high pressure chest and the first low-pressure area string Stream.

7. composite filter element component according to claim 6, which is characterized in that the first filtering group includes the second middle-end Lid, the other end week of end cap and the water route spacing board, second middle-end was covered equipped with the along being tightly connected in described second It is intubated in two, intubation is connect with the housing seal in described second, to avoid second low-pressure area and first low pressure Area's crossfire.

8. composite filter element component according to claim 1, which is characterized in that the shell is equipped with the 4th inlet and outlet and the Five 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 includes the waste water collector of central tube and multiple settings spaced apart, multiple The waste water collector is arranged around the central tube, and the tube wall of the central tube was equipped with drainage and enters hole, the waste water collector Tube wall be equipped with waste water enter 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 water collector 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 drainage excessively is flowed to after reverse osmosis membrane bag filtering from the water of the 4th inlet and outlet entrance high pressure chest Enter hole, the waste water collector is connected with the 5th inlet and outlet, and the central tube is connected with the ferry of crossing.

9. composite filter element component according to claim 8, which is characterized in that the second filtering group further include: third end Lid and the 4th end cap, the third end cap and the 4th end cap are connected to the axis of the spiral wound reverse-osmosis membrane element To both ends, the third end cap is arranged towards the transition plates, and the central tube crosses ferry with described by the third end cap It is connected, the waste water collector is connected by the 4th end cap with the 5th inlet and outlet.

10. composite filter element component according to claim 9, which is characterized in that the circle that the reverse osmosis membrane bag rolls out The axial ends of cylinder is adhesive on the third end cap and the 4th end cap.