WO2020088556A1 - 复合滤芯组件和具有其的水处理装置 - Google Patents

复合滤芯组件和具有其的水处理装置 Download PDF

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Publication number
WO2020088556A1
WO2020088556A1 PCT/CN2019/114553 CN2019114553W WO2020088556A1 WO 2020088556 A1 WO2020088556 A1 WO 2020088556A1 CN 2019114553 W CN2019114553 W CN 2019114553W WO 2020088556 A1 WO2020088556 A1 WO 2020088556A1
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WO
WIPO (PCT)
Prior art keywords
filter
filter group
group
element assembly
filter element
Prior art date
Application number
PCT/CN2019/114553
Other languages
English (en)
French (fr)
Inventor
李杨敏
Original Assignee
佛山市顺德区美的饮水机制造有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201821792140.7U external-priority patent/CN209307056U/zh
Priority claimed from CN201811291626.7A external-priority patent/CN111115883A/zh
Priority claimed from CN201811291331.XA external-priority patent/CN111115881A/zh
Priority claimed from CN201821790361.0U external-priority patent/CN209307051U/zh
Application filed by 佛山市顺德区美的饮水机制造有限公司, 美的集团股份有限公司 filed Critical 佛山市顺德区美的饮水机制造有限公司
Publication of WO2020088556A1 publication Critical patent/WO2020088556A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially

Definitions

  • the present application belongs to the technical field of household appliances, and in particular, relates to a composite filter element assembly and a water treatment device having the same.
  • the tap water transported from the city water plant to each user usually contains a certain amount of salt ions, metal substances, chlorides, microorganisms, sediment and other substances.
  • a water purifier In order to improve the quality of drinking water, more and more families choose to install a water purifier on the tap water outlet pipe.
  • the water purifier has a multi-function filter element to remove different types of harmful substances in the tap water.
  • the existing water purifier filter element is generally 3 to 4 grades, and some manufacturers of water purifier filter element are double core.
  • a variety of filter element components are usually arranged in the water purifier, and the inlet and outlet ports of each filter element are connected in series in sequence, and the inlet and outlet chambers are formed on both sides of the different filter elements.
  • To achieve high-quality drinking water it is often necessary to connect three-stage and four-stage filter elements in series. Both the water outlet and the water inlet between different filter elements need to be connected by external pipes, so that the pipeline system of the composite filter element is complicated and the water purification is neat The machine occupies a large space, which is inconvenient to install and replace the filter element.
  • the water paths between the multi-stage filter elements are completely spaced apart, which occupies a large space and is not easy to integrate, which not only increases the volume of the water treatment device, but also causes the water treatment device to be more complicated and difficult Larger.
  • This application aims to solve one of the technical problems in the related art at least to a certain extent.
  • the first aspect of the present application aims to propose a composite filter element assembly, which has a small volume, a good filtration effect, and is easy to pick and place.
  • the purpose of the second aspect of the present application is to propose another composite filter element assembly, which has a smaller volume and a simple waterway design.
  • the third aspect of the present application aims to propose a water treatment device having the above composite filter element assembly.
  • a composite filter element assembly includes: a housing; a first filter group, the first filter group is provided in the housing, and the first filter group defines a built-in filter material installation Cavity; inner tube, the inner tube is detachably provided in the built-in filter material installation cavity; a second filter group, the second filter group is provided in the inner tube; a fixed structure, the fixed structure is provided in On the housing; handle, the handle is provided with a cooperating structure, the cooperating structure can rotatably cooperate with the fixed structure, the cooperating structure has a first position in the direction of rotation relative to the fixed structure and In the second position, in the first position, the mating structure can be plugged into the fixed structure, and in the second position, the mating structure is engaged with the fixed structure to form an anti-off structure.
  • the fixing structure matched with the handle on the casing can increase the convenience of the composite filter element assembly.
  • the matching structure of the handle can be rotated in the fixed structure and changed between the first position and the second position. In the first position, the matching structure and the fixed structure are convenient for connection, and the handle is easily installed on the housing; in the second position When the matching structure and the fixed structure are engaged with each other, it can be prevented from falling off, so that it is easy to lift and prevent the separation between the handle and the housing during the process of picking up the handle.
  • the second filter group is set in the inner tube, and the inner tube is set in the first filter group, that is to say, the first filter group, the inner tube and the second filter group are nested in sequence, which can make full use of the first filter group Space, and the first filter group and the second filter group are spaced apart and combined in the housing by the inner tube.
  • the space of the original one filter tube accommodates two filter tubes, saving the first filter group and the second filter group. take up space.
  • the detachable inner tube is simple to assemble, which provides convenience for the assembly of the first filter group.
  • the mating structure is a first plug-in structure
  • the first plug-in structure includes a shaft sleeve with an open end, a guide groove is provided on an inner wall of the shaft sleeve, and the guide groove is located in the An open end of the sleeve is opened, and a clamping hole is opened on one side of the guide groove on the sleeve;
  • the fixing structure includes a guide post and a limit post connected to the peripheral wall of the guide post; wherein, In the first position, the guide post can be inserted into the shaft sleeve while the limit post can be inserted into the guide groove, and in the second position, the limit post is snapped into the locking hole.
  • the guide groove extends along the axial direction of the sleeve, or the guide groove spirally extends from the end to the card hole.
  • both the guide groove and the clamping hole penetrate the shaft sleeve in the thickness direction of the shaft sleeve.
  • the mating structure is a second plug-in structure
  • the second plug-in structure includes a plug-in post, and an end of the plug-in post is provided with a clamping block to make the end of the plug-in post non-circular
  • a groove is defined in the fixing structure, the end of the groove has a constriction, the constriction is formed as a non-circular shape adapted to the end of the plug post; and, in the first position At this time, the insertion post may be inserted into the groove through the shrinkage opening, and in the second position, the clamping block is stuck inside the shrinkage opening.
  • the insertion post is provided with a coaxially arranged jack, and the groove is provided with a connection post, and the connection post is inserted into the jack.
  • the outer contour shape of the end of the plug post is half semicircular and the other half semielliptical, and the shape of the recess of the groove is half semicircular and the other half semielliptical shape.
  • the end of the casing is provided with a tap water inlet, a purified water outlet, a purified water inlet, and a pure water outlet;
  • the outer wall of the first filter group and the inner wall of the casing define communication with the purified water
  • the first water purification chamber of the inlet; the inner wall of the first filter group and the outer wall of the inner tube define a pure water chamber communicating with the pure water outlet; the inner wall of the inner tube and the second filter group
  • the outer wall defines a tap water cavity that communicates with the tap water inlet; a second water purification cavity that communicates with the water purification outlet is defined in the second filter group.
  • the first filtration group includes: a central tube, the built-in filter material installation cavity is provided in the central tube, a pure water through hole is formed on the wall of the central tube; a reverse osmosis filter membrane, the The reverse osmosis filter membrane is sleeved on the central tube; an annular inner cover is sleeved on the central tube, and the inner peripheral edge of the annular inner cover is connected to the upper end edge of the inner tube, And the lower end surface of the ring-shaped inner cover abuts against the upper end surface of the reverse osmosis filter membrane.
  • a downwardly opened waste water tank is defined in the annular inner cover, the upper end surface of the reverse osmosis filter membrane cooperates with the annular inner cover to close the waste water tank to form a waste water chamber, and a top of the inner cover is provided There is a waste water port connected to the waste water chamber, and a waste water outlet connected to the waste water port is provided at the top of the casing.
  • the composite filter element assembly further includes: a third filter group, the third filter group is disposed in the pure water chamber, the third filter group and the inner tube are along the axis of the first filter group Aligned; the third filtration group divides the pure water chamber into an original pure water chamber located outside the third filtration group and an outlet chamber located within the third filtration group, the outlet chamber communicating with the Pure water outlet.
  • the composite filter element assembly further includes: a water outlet pipe, the water outlet pipe penetrates the inner pipe along the axial direction of the inner pipe, and one end of the water outlet pipe communicates with the water outlet chamber, the outlet The other end of the water pipe communicates with the pure water outlet.
  • a composite filter element assembly includes: a housing, a first filter group, a second filter group, and a water outlet pipe, the housing is provided with a pure water outlet, and the first filter group is provided at In the housing, a built-in filter material installation cavity is defined in the first filter group, and the second filter group is provided in the first filter group and located between the pure water outlet and the built-in filter material installation cavity In between, the water outlet pipe runs through the second filter group to connect the pure water outlet and the built-in filter material installation cavity.
  • the first filter group and the second filter group are nested, and the space in the first filter group can be fully utilized, saving the occupied space of the first filter group and the second filter group, Moreover, the use of the outlet pipe to connect the built-in filter material installation cavity and the pure water outlet can simplify the water circuit design of the composite filter element assembly and provide convenience for the assembly of the composite filter element assembly.
  • the water outlet pipe includes: a conduit connecting the pure water outlet and the built-in filter material installation cavity, the second filter group is sleeved on the conduit; an end plate, the end The plate is sleeved on the duct, and the lower end surface of the second filter group sealingly abuts the upper surface of the end plate.
  • the outer edge of the end plate is formed with an upwardly bent flange, the flange extends in the circumferential direction of the end plate, and the inner peripheral wall of the flange is sealingly abutted against the second filter group The outer peripheral wall.
  • the water outlet pipe further includes: a rubber retaining ring, the rubber retaining ring is sleeved on the end plate, and the rubber retaining ring includes: a connecting ring, the connecting ring is along the circumference of the end plate Extending toward and connected to the outer edge of the end plate; a seal ring, which is disposed around the end plate and extends in the axial direction of the end plate, and the lower edge of the seal ring is connected to the connection ring The outer peripheral edge of the sealing ring seals against the outer peripheral wall of the second filter group.
  • the duct is integrally formed with the end plate.
  • the second filtration group includes: a supporting skeleton, the supporting skeleton is sleeved on the conduit and extends along the axial direction of the conduit; a preliminary filtration membrane, the preliminary filtration membrane is sleeved on the On the support frame and extending in the axial direction of the support frame; a second inner end cover, the second inner end cover is sleeved on the catheter, and the lower surface of the second inner end cover seals against the The upper end of the primary filter membrane.
  • the first filter group includes: a center tube, the built-in filter material installation cavity and the second filter group are both disposed in the center tube, and a pure water through hole is formed on the wall of the center tube ; Reverse osmosis filter, the reverse osmosis filter is sleeved on the central tube; an annular inner cover, the annular inner cover is sleeved on the central tube, the lower end surface of the annular inner cover and the The upper end surface of the reverse osmosis filter stops.
  • the composite filter element assembly further includes an inner tube, the inner tube is disposed in the center tube, the upper edge of the inner tube is in sealing contact with the inner peripheral wall of the center tube, and the second filter group and
  • the water outlet pipe is provided in the inner pipe, and an end of the inner pipe adjacent to the built-in filter material installation cavity is provided with a through hole communicating with the built-in filter material installation cavity and the water outlet pipe.
  • the composite filter element assembly further includes: a third filter group, the third filter group is provided in the built-in filter material installation cavity and connected along the inner tube, and the inner cavity of the third filter group communicates with the ⁇ ⁇ ⁇ Said through holes.
  • an end of the inner tube adjacent to the third filter group defines a ring-shaped mounting groove, and one end of the third filter group is inserted into the ring-shaped mounting groove.
  • the housing includes: a cylinder, the bottom of the cylinder is open, the first filtration group is disposed in the cylinder, and the pure water outlets are all disposed on the top of the cylinder; A cover, the lower cover is connected with the cylinder to close the open opening of the cylinder, and the upper surface of the lower cover is in sealing contact with the lower end surface of the first filter group.
  • the water treatment device includes the composite filter element assembly of the above embodiment.
  • the volume of the water treatment device can be reduced, the occupied space is saved, and the water circuit design of the water treatment device is simplified, which facilitates the assembly of the composite filter element.
  • FIG. 1 is a schematic structural diagram of a composite filter element assembly according to an embodiment of the present application.
  • FIG. 2 is a partial structural diagram of a composite filter element assembly according to an embodiment of the present application.
  • Fig. 3 is a cross-sectional view taken along line A-A in Fig. 1.
  • Fig. 4 is a cross-sectional view taken along line B-B in Fig. 2.
  • Fig. 5 is an exploded view of the mechanism in Fig. 4.
  • FIG. 6 is an exploded view of a housing of a composite filter element assembly according to an embodiment of this application.
  • FIG. 7 is a schematic diagram of cooperation between an inner tube and an activated carbon filter element according to an embodiment of the present application.
  • FIG. 8 is a cross-sectional view taken along line C-C in FIG. 7.
  • FIG. 9 is a schematic structural diagram of an annular inner cover according to an embodiment of the present application.
  • FIG. 10 is a cross-sectional view of an annular inner cover according to an embodiment of the present application.
  • FIG. 11 is a top view of an annular inner cover according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a central tube according to an embodiment of the present application.
  • FIG. 13 is a cross-sectional view of a center tube according to an embodiment of the present application.
  • Fig. 14 is a side view of a center tube according to an embodiment of the present application.
  • 15 is a schematic structural diagram of a waste water plug according to an embodiment of the present application.
  • FIG. 16 is a schematic diagram of the cooperation relationship between the first fixing structure and the first plug-in structure of the composite filter element assembly according to an embodiment of the present application.
  • FIG. 17 is a partially enlarged schematic diagram of the first fixing structure and the first plug-in structure in the first position in an embodiment of the present application.
  • FIG. 18 is a schematic diagram of the cooperation relationship between the first fixing structure and the first plug-in structure of the composite filter element assembly according to an embodiment of the present application.
  • FIG. 19 is a partially enlarged schematic diagram of the first fixing structure and the first plug-in structure in the second position in an embodiment of the present application.
  • FIG. 20 is a schematic perspective view of a handle with a first plug-in structure according to an embodiment of the present application.
  • FIG. 21 is a schematic diagram of the cooperation relationship between the second fixing structure and the second plug-in structure of the composite filter element assembly according to an embodiment of the present application.
  • FIG. 22 is a partial structural schematic diagram of the second fixing structure and the second plug-in structure cooperating in the first position according to an embodiment of the present application.
  • FIG. 23 is a schematic diagram of the cooperation relationship between the second fixing structure and the second plug-in structure of the composite filter element assembly according to an embodiment of the present application.
  • FIG. 24 is a schematic structural diagram of the second fixing structure and the second plug-in structure in one embodiment of the present application when they are engaged in the second position.
  • FIG. 25 is a top view of a second fixing structure and a second plug-in structure of a composite filter element assembly according to an embodiment of this application.
  • FIG. 26 is a perspective structural diagram of a handle with a second insertion structure according to an embodiment of the present application.
  • FIG. 27 is a schematic structural diagram of a composite filter element assembly according to another embodiment of this application.
  • FIG. 28 is a partial structural diagram of a composite filter element assembly according to an embodiment of the present application.
  • Fig. 29 is a cross-sectional view taken along the D-D plane in Fig. 27.
  • Fig. 30 is a sectional view taken along the E-E plane in Fig. 28;
  • FIG. 31 is a schematic diagram of a water treatment device including a composite filter element assembly of the present application.
  • the second fixing structure 172 groove 1721; shrinkage 1722; connecting post 1724;
  • the first filter group 20 The first filter group 20;
  • Reverse osmosis filter 22 annular inner cover 23; waste water chamber 231; waste water port 232;
  • the second filter group 40 is the second filter group 40;
  • Support frame 41 primary filter membrane 42; second inner end cap 43; end plate 44;
  • the third filter group 50 is the third filter group 50;
  • the first water purification chamber 51 The first water purification chamber 51;
  • the second water purification chamber 54 The second water purification chamber 54;
  • Outlet pipe 60 ; conduit 61; rubber retaining ring 63; connecting ring 631; sealing ring 632.
  • the composite filter element assembly 100 of the first aspect of the present application is mainly a composite filter element assembly with a handle 16 for easy assembly 100.
  • a composite filter element assembly 100 includes a housing 10, a first filter group 20, an inner tube 30, a second filter group 40, a fixing structure 17, and a handle 16.
  • the housing 10 defines a filter cavity
  • the first filter group 20 is disposed in the filter cavity
  • the first filter group 20 defines a In the inner side of the built-in filter material installation cavity
  • the inner tube 30 is detachably provided in the built-in filter material installation cavity
  • the second filter group 40 is provided in the inner tube 30.
  • the fixing structure 17 is provided on the housing 10.
  • the handle 16 is provided with a matching structure 161, which can rotatably cooperate with the fixed structure 17.
  • the handle 16 can be rotatably connected to the housing 10, and it is convenient to directly take the handle 16 without holding the housing 10 when the composite filter element assembly 100 is taken and placed .
  • the mating structure 161 has a first position and a second position relative to the fixed structure 17 in the direction of rotation. In the first position, the mating structure 161 can be plugged and connected to the fixed structure 17. In the second position, the mating structure 161 and the fixed structure 17 Engage to form anti-off structure.
  • the second filter group 40 is provided in the inner tube 30, and the inner tube 30 is provided in the first filter group 20, that is, the first filter group 20,
  • the tubes 30 and the second filter group 40 are nested in sequence, and the space in the first filter group 20 can be fully utilized.
  • the first filter group 20 and the second filter group 40 are spaced and arranged in the housing 10 by using the inner tube 30, and the two filter groups will not interfere with each other when filtering, and the space that originally contained a filter element can be simultaneously Accommodating two filter groups saves the overall space occupied by the first filter group 20 and the second filter group 40, making the overall structure of the composite filter element assembly 100 compact and highly integrated, which is beneficial to reducing the size of the structure.
  • the detachably arranged inner tube 30 is simple to assemble, which facilitates the assembly and replacement of the first filter group 20 and provides the possibility for customers to change their cores independently.
  • the mating structure 161 on the handle 16 can rotate in the fixed structure 17 and change between the first position and the second position. In the first position, the mating structure 161 and the fixed structure 17 are convenient to connect, and only the mating structure 161 needs to be connected by pulling out In the fixed structure 17, the handle 16 is therefore easy to install on the housing 10.
  • the mating structure 161 and the fixing structure 17 are engaged with each other, so that the mating structure 161 and the fixing structure 17 form a firmer connection, which can be prevented from coming off, thereby facilitating lifting, and preventing the lifting of the handle 16 during the process
  • the handle 16 is separated from the housing 10.
  • the composite filter element assembly 100 with the structure of the handle 16 in the present application has the convenience of installation. And the bearing performance during installation and use.
  • the mating structure 161 is a first plug-in structure 1611.
  • the first plug-in structure 1611 includes a sleeve 16111 with an open end and an inner wall of the sleeve 16111
  • a guide groove 16112 is provided on the guide sleeve 16112.
  • the guide groove 16112 is open at the open end of the sleeve 16111.
  • a clamping hole 16113 is formed on the sleeve 16111 on the side of the guide groove 16112.
  • the fixing structure 17 includes a guide post 1711 and a limit post 1712 connected to the peripheral wall of the guide post 1711.
  • the limit post 1712 faces the guide groove 16112 when the handle 16 with the above connection and fitting structure is in the first position.
  • the guide post 1711 is inserted into the sleeve 16111, and the limit post 1712 is inserted into the guide groove 16112. That is, in the first position, the guide post 1711 and the limit post 1712 are simultaneously inserted from the sleeve 16111 and the guide groove 16112 without obstruction, and the guide post 1711 and the limit post 1712 can also be removed from the sleeve 16111 and the guide groove without obstruction Pull out in 16112 to facilitate the installation of the handle 16 on the housing 10.
  • the limit post 1712 In the second position, as shown in FIGS. 18 and 19, the limit post 1712 is snapped into the snap hole 16113. That is, when the limit post 1712 rotates from the first position into the second position, the limit post 1712 is inserted into the card hole 16113 by the guide groove 16112, and the card hole 16113 prevents the limit post 1712 from moving in the axial direction.
  • the fixing structure 17 that cooperates with the first plug structure 1611 is referred to as a first fixing structure 171
  • the fixing structure 17 that cooperates with the second plug structure 1612 is referred to as a second fixing structure 172.
  • first”, “second”, and “third” may explicitly or implicitly include one or more of the features, used to distinguish the features described, no order, no importance .
  • the guide groove 16112 extends in the axial direction of the sleeve 16111.
  • moving the sleeve 16111 in the axial direction can move the locking hole 16113 to the limit column 1712, and then rotate the handle 16 to make the limit column 1712 Stuck in the card hole 16113.
  • the guide groove 16112 spirally extends in a direction from the end to the card hole 16113, that is, the guide groove 16112 is a spiral extension groove.
  • the sleeve 16111 When the sleeve 16111 is inserted into the guide post 1711, the sleeve 16111 must be rotated along the axial direction while rotating the sleeve 16111 (similar to the action of screwing) to move the card hole 16113 to the limit post 1712 and then rotate By carrying the handle 16, the limit post 1712 can be caught in the card hole 16113.
  • the guide groove 16112 and the clamping hole 16113 both penetrate the sleeve 16111 in the thickness direction of the sleeve 16111. In this way, it is also very convenient to machine the guide groove 16112 and the clamping hole 16113 on the sleeve 16111.
  • the present application is not limited to this, for example, the guide groove 16112 and the clamping hole 16113 may also be provided on the inner wall of the sleeve 16111, and the above functions can also be achieved.
  • the mating structure 161 is a second plug-in structure 1612.
  • the second plug-in structure 1612 includes a plug-in post 16121, and an end of the plug-in post 16121 is provided with a card Block 16123, as shown in FIG. 26, the arrangement of the block 16123 makes the contour of the end of the post 16121 non-circular.
  • a groove 1721 is defined in the fixing structure 17, and the end of the groove 1721 has a constriction 1722 formed as a non-circular shape to fit the end of the post 16121.
  • the choke 1722 here is formed as a non-circular shape that fits the end of the post 16121, which means that when the handle 16 is in the first position, the shape of the end of the post 16121 corresponds to the shape of the choke 1722 Consistent, of course, the shrinkage 1722 is slightly larger than the end of the post 16121.
  • the internal shape of the groove 1721 is not limited, as long as the insertion post 16121 can be rotated to the second position after the insertion post 16121 is inserted into the groove 1721, that is, in the second position, the inside of the groove 1721 cannot interfere with the block 16123.
  • the insertion post 16121 can be inserted into the recess 1721 through the recess 1722, and in the second position, the locking block 16123 is caught inside the recess 1722.
  • the insertion post 16121 is provided with a coaxially arranged jack 16122, and the groove 1721 is provided with a connection post 1724, and the connection post 1724 is inserted into the jack 16122.
  • the connecting post 1724 and the socket 16122 cooperate with each other.
  • the handle 16 when in the first position, the handle 16 is installed on the housing 10, which can play a certain guiding role.
  • the handle 16 rotates from the first position to the first position. In the second position, a rotation axis is provided.
  • the connecting post 1724 can serve as a load-bearing rod and play a certain supporting role.
  • the outer shape of the end of the post 16121 is half semicircular, the other half semielliptical, and the shape of the recess 1722 of the groove 1721 is half It is semi-circular and the other half is semi-elliptical.
  • the two form a fit, which makes it easy to identify and assemble the handle 16;
  • the stable support function makes it difficult for the handle 16 to escape from the outside of the housing 10.
  • the inner tube 30 is formed into a tube with one end open and the other end closed.
  • the inner tube 30 separates the inner filter material installation cavity into an inner cavity and an outer cavity, and the second filter group 40 Set in the inner cavity, because the side of the built-in filter material installation cavity is open, the water flow can not only pass through the first filter group 20 to be filtered by the first filter group 20, but also enter the inner cavity through the opening of the built-in filter material installation cavity , And filtered by the second filter group 40, so that the first filter group 20 and the second filter group 40 form a series relationship.
  • the first filter group 20 is a reverse osmosis filter element
  • the second filter group 40 is a preliminary filter element
  • the wall thickness of the preliminary filter element is greater than 10 mm.
  • the second filter group 40 is a roll made of nonwoven fabric, polypropylene layer, and carbon fiber, and has a long service life. When used in the filtration of tap water, it can initially remove sediment, rust and residual chlorine.
  • the second filter group 40 can also be formed by rolling only one or two materials of filter layers, which is not specifically limited here.
  • the filtering effect of the primary filter element is related to the wall thickness of the primary filter element.
  • the filtration effect of the reverse osmosis filter element is related to the area of the filter membrane.
  • a built-in filter material installation cavity is defined in the reverse osmosis filter element, and the primary filter element is set in the reverse osmosis filter element, which can reduce the volume of the primary filter element while ensuring the filtration effect of the primary filter element, and thus can reduce the primary filter element Occupies less space, and can reduce the production material of the primary filter element, which can save costs, and the reverse osmosis filter element is located outside the primary filter element, the diameter of the reverse osmosis filter element is larger, and the same area filter membrane is wound , Can reduce the wall thickness of the reverse osmosis filter element, can also reduce the space occupied by the reverse osmosis filter element.
  • the occupied space is small, which can maximize the utilization efficiency of the internal space of the housing 10, which is beneficial to Reducing the overall volume of the composite filter element assembly 100 provides convenience for users.
  • a tap water inlet 111, a purified water outlet 112, a purified water inlet 113, and a pure water outlet 114 are provided on the housing 10, wherein the tap water inlet 111 and the net The water outlet 112 communicates with the built-in filter material installation cavity.
  • the outer wall of the first filter group 20 and the inner wall of the housing 10 define a first water purification chamber 51 communicating with the purified water inlet 113, and the inner wall of the first filter group 20 and the outer wall of the inner tube 30 define communication
  • the inner wall of the inner tube 30 and the outer wall of the second filter group 40 define a tap water chamber 53 that communicates with the tap water inlet 111, and the second filter group 40 defines a second ⁇ ⁇ 54.
  • the water flow enters the tap water chamber 53 through the tap water inlet 111.
  • the water flow in the tap water chamber 53 enters the second clean water chamber 54 through the filtering action of the second filter group 40 and flows out through the clean water outlet 112.
  • the outflow of clean water passes through the role of the booster pump Enter the first water purification chamber 51 through the water purification inlet 113, the water flow in the first water purification chamber 51 enters the pure water chamber 52 through the filtering action of the first filter group 20, and the water flow in the pure water chamber 52 flows out through the pure water outlet 114 For users to drink.
  • the first purified water is defined by the cooperation of the inner wall of the housing 10, the inner wall of the first filter group 20, the outer wall of the first filter group 20, the inner wall of the inner tube 30, the outer wall of the inner tube 30 and the outer wall of the second filter group 40
  • the cavity 51, the second water purification cavity 54, the tap water cavity 53 and the pure water cavity 52 have a simple structure and are easy to realize, which is beneficial to simplify the structural design of the composite filter element assembly 100 and can reduce the production cost of the composite filter element assembly 100.
  • the first filter group 20 includes: a central tube 21, a reverse osmosis filter 22 and an annular inner cover 23, the central tube 21 extends along the axial direction of the housing 10, and the central tube
  • the upper end of 21 is open to define a built-in filter material installation cavity
  • the inner tube 30 is disposed in the center tube 21
  • the pure water cavity 52 is defined between the inner wall of the center tube 21 and the outer wall of the inner tube 30
  • the reverse osmosis filter 22 is sleeved in
  • the central tube 21 extends above and along the axial direction of the central tube 21.
  • the ring-shaped inner cover 23 is sleeved on the central tube 21, and the inner peripheral edge of the ring-shaped inner cover 23 is in sealing contact with the upper edge of the inner tube 30, and the lower surface of the ring-shaped inner cover 23 is in sealing fit with the upper end surface of the reverse osmosis filter 22 .
  • the annular inner cover 23 is provided with a waste water port 232.
  • the annular inner cover 23 defines a waste water tank with an open lower surface.
  • the waste water tank extends along the circumferential direction of the annular inner cover 23.
  • the upper end surface of the permeable filter membrane 22 cooperates with the annular inner cover 23 to close the waste water tank to form a waste water chamber 231, and a waste water channel connecting the waste water chamber 231 and the waste water outlet 115 is defined in the annular inner cover 23.
  • the reverse osmosis filter element separates the waste water during the filtration process, and can guide the waste water discharge by setting the waste water port 232, the waste water chamber 231 and the waste water channel. Limiting the waste water chamber 231 on the annular inner cover 23 can prevent the waste water from stringing into the first water purification chamber 51, the pure water chamber 52, the tap water chamber 53 and the second water purification chamber 54, thereby improving the quality of the filtered water flow.
  • the waste water of the reverse osmosis filter element is discharged from the end of the reverse osmosis filter element, and the waste water cavity 231 is limited to the annular inner cover 23, which can provide convenience for the waste water to enter the waste water cavity 231, and the structure is simple, eliminating the reverse osmosis filter element and the waste water cavity 231 The diversion channel between them simplifies the structural design and waterway design of the composite filter element assembly 100.
  • the top of the housing 10 is provided with a waste water outlet 115 that communicates with the waste water port 232, and the waste water in the waste water chamber 231 is discharged through the waste water outlet 115, and a waste water valve is provided on the waste water outlet 115, and the waste water valve and the housing 10 are integrally formed.
  • the waste water in the chamber 231 reaches a certain pressure, the waste water valve is opened and the waste water is discharged.
  • the second filter group 40 is a primary filter element
  • the second filter group 40 includes: a support frame 41 and a primary filter membrane 42, and the support frame 41 is located in the inner tube 30 And extends along the axial direction of the inner tube 30, the primary filter membrane 42 is sleeved on the support framework 41 and extends along the axial direction of the support framework 41, the primary filter membrane 42 is a tubular filter made of polyaluminum chloride material, and The thickness of the primary filter 42 is greater than 10 mm.
  • the support frame 41 defines a second water purification cavity 54
  • the outer wall of the primary filter membrane 42 and the inner wall of the inner tube 30 define a tap water cavity 53
  • tap water enters the tap water cavity 53 through the tap water inlet 111
  • the water flows through the primary filter membrane 42 and
  • the filtering action of the primary filter membrane 42 flows out from the inner wall of the supporting frame 41 into the second water purification chamber 54, and then flows out from the water purification outlet 112.
  • the primary filter membrane 42 and the supporting framework 41 form a second filter group 40 and are provided in the inner tube 30, reducing the second filter group
  • the diameter of 40 can further reduce the occupied space of the second filter group 40, and can reduce the volume of the primary filter membrane 42 and the production material, which is beneficial to reduce costs.
  • the support frame 41 is tubular, and a number of holes are formed in the wall of the support frame 41 to penetrate the wall of the support frame 41 in the thickness direction of the wall of the support frame 41.
  • the water flow in the primary filter membrane 42 can be promoted to pass through the holes and enter the second water purification chamber 54.
  • the second filter group 40 further includes: a second inner end cover 43 and an end plate 44, the second inner end cover 43 is sleeved on the upper end of the support frame 41, The lower surface of the second inner end cover 43 seals against the upper end surface of the primary filter membrane 42, the end plate 44 is sleeved on the lower end of the support frame 41, and the upper surface of the end plate 44 seals against the lower end surface of the primary filter membrane 42.
  • the tightness of the upper and lower ends of the primary filter membrane 42 can be improved, and the water flow in the primary filter membrane 42 can be prevented from flowing out from the upper or lower end of the primary filter membrane 42, which can not only prevent the water flow from entering
  • the water outlet cavity 521 can also improve the airtightness of the tap water cavity 53.
  • the outer peripheral edge of the second inner end cover 43 is formed with a downwardly folded upturned edge, and the inner wall of the upturned edge stops against the outer peripheral wall of the primary filter membrane 42.
  • the outer wall of the flange and the inner wall of the inner tube 30 define a tap water channel, and the water flow enters the tap water cavity 53 from the tap water inlet 111 through the tap water channel.
  • a rubber retaining ring 63 is provided on the outer peripheral edge of the end plate 44.
  • the rubber retaining ring 63 includes: a connecting ring 631 and a sealing ring 632.
  • the connecting ring 631 extends along the circumferential direction of the end plate 44 and is connected to the outer peripheral edge of the end plate 44 to seal
  • the ring 632 is disposed around the end plate 44 and extends in the axial direction of the end plate 44.
  • the lower circumference of the seal ring 632 is connected to the outer circumferential edge of the connecting ring 631.
  • the inner circumferential wall of the seal ring 632 abuts against the outer circumferential wall of the primary filter membrane 42.
  • the performance of the second filter group 40 can be improved, and the tightness and reliability of the tap water chamber 53 can be improved to prevent water leakage.
  • FIG. 3, FIG. 4, FIG. 5, FIG. 7, and FIG. 8 it further includes: a third filter group 50, the third filter group 50 is provided in the pure water chamber 52, the third The filtering group 50 divides the pure water chamber 52 into an original pure water chamber 522 located outside the third filtering group 50 and an outlet chamber 521 located inside the third filtering group 50.
  • the outlet chamber 521 communicates with the pure water outlet 114.
  • the pure water filtered by the first filter group 20 enters the original pure water cavity 522, the water flow in the original pure water cavity 522 passes through the third filter group 50, and enters the water outlet cavity through the filtering action of the third filter group 50
  • a hollow activated carbon rod is selected as the third filter group 50, which can further filter out odor, organic matter, colloid, iron and residual chlorine in the water body.
  • the first filter group 20 is a reverse osmosis filter element.
  • the water filtered by the reverse osmosis filter element becomes weakly acidic and has a poor taste, which is not suitable for users to drink directly.
  • the filtering effect of the active carbon filter element can further enhance the purity of pure water The quality improves the taste of drinking water.
  • setting the third filter group 50 in the pure water chamber 52 can further improve the degree of compounding of the composite filter element assembly 100 and enhance the filtering effect of the composite filter element assembly 100 on water flow, and compared with the setting of the third filter group 50 alone In other words, not only can the water flow design of the composite filter element assembly 100 be simplified, but also the volume of the composite filter element assembly 100 can be reduced.
  • the third filter group 50 and the inner tube 30 are arranged along the axial direction of the first filter group 20, that is to say, the first filter group 20 is defined along the first filter
  • the axially extending built-in filter material installation cavity of the group 20, the sum of the axial length of the inner tube 30 and the axial length of the third filter group 50 is less than or equal to the axial length of the built-in filter material installation cavity, and the third filter group 50 is provided At the bottom of the built-in filter material installation cavity, the inner tube 30 is provided on the top of the third filter group 50.
  • the third filter group 50 and the inner tube 30 arranged axially along the built-in filter material installation cavity inside the first filter group 20 can make full use of the space of the built-in filter material installation cavity, which is conducive to reducing the inner diameter of the built-in filter material installation cavity, and further The diameter and volume of the first filter group 20 can be reduced, and the third filter group 50 and the inner tube 30 of the above structure are simple in structure and easy to assemble.
  • the composite filter element assembly 100 further includes a water outlet pipe 60.
  • the water outlet pipe 60 penetrates the inner pipe 30 along the axial direction of the inner pipe 30, and the water outlet pipe 60 is inserted in In the supporting frame 41, one end of the outlet pipe 60 (the lower end shown in FIG. 8) communicates with the outlet cavity 521, and the other end of the outlet pipe 60 (the upper end shown in FIG. 8) communicates with the pure water outlet 114 to support the inner wall of the framework 41
  • a second water purifying cavity 54 is defined between the outer wall of the water outlet pipe 60.
  • the pure water outlet 114 is located above the inner tube 30, and the water outlet cavity 521 is located in the third filter group 50 and below the inner tube 30.
  • the water outlet cavity 521 can be The outflow of water from the pure water outlet 114 provides convenience, and the structure of the water outlet pipe 60 is simple and easy to implement.
  • the central tube 21 includes: a surrounding plate 211 and a lower cover plate 212, the surrounding plate 211 is formed into a cylindrical shape with open ends, and a reverse osmosis filter 22 is sleeved
  • a lower cover plate 212 is provided in the enclosure plate 211 and located at a lower portion of the enclosure plate 211.
  • the lower cover plate 212 closes the lower end opening of the enclosure plate 211 and cooperates with the enclosure plate 211 to define a built-in filter material installation cavity.
  • the lower end of the third filter group 50 stops against the upper surface of the lower end cover.
  • the central tube 21 is formed into a cylindrical shape with an open upper end and a closed lower end, and the inner wall of the surrounding plate 211 and the upper surface of the lower end cover cooperate with the outer surface of the inner tube 30 to define a pure water chamber 52.
  • a pure water through hole 2111 is formed on the wall of the central tube 21, and the pure water through hole 2111 penetrates the wall of the central tube 21 along the thickness direction of the wall of the central tube 21, and the water flow enters the reverse osmosis filter membrane 22 from the lower end of the reverse osmosis filter membrane 22
  • the reverse osmosis filter 22 divides the water flow into waste water and pure water.
  • the waste water flows out from the upper end of the reverse osmosis filter 22 and is discharged through the waste water chamber 231 and the waste water outlet 115.
  • Pure water flows out from the inner wall of the reverse osmosis filter 22 and enters the pure water cavity 52 through the pure water through hole 2111, and is discharged through the pure water outlet 114 for the user to drink.
  • a water guide groove 2112 communicating with the pure water through hole 2111 is formed on the outer peripheral wall of the surrounding plate 211. It flows into the pure water through hole 2111 through the water guiding groove 2112, and then collects in the filter material installation cavity, and then leads out.
  • the reverse osmosis filter membrane 22 Since the reverse osmosis filter membrane 22 is wound around the enclosure 211, by providing the water guide groove 2112 on the enclosure 211, the flow efficiency of the outflow water in the reverse osmosis filter membrane 22 can be increased, and the water outlet efficiency of the reverse osmosis filter membrane 22 can be increased. The water purification efficiency of the reverse osmosis filter element assembly can be improved.
  • the water guiding groove 2112 extends along the circumferential direction of the surrounding plate 211, that is to say, the water guiding groove 2112 is formed as a ring extending along the circumferential direction of the surrounding plate 211, and the pure water through hole 2111 is provided in the water guiding groove 2112, thereby
  • the length of the water guiding tank 2112 can be further increased, and the water output efficiency of the reverse osmosis filter membrane 22 can be further improved, and the water output efficiency of the reverse osmosis filter membrane 22 can be ensured to be uniform in the circumferential direction to prevent the partial water outflow from affecting the water purification efficiency of the reverse osmosis filter membrane 22 .
  • the central tube 21 of the above structure is closed at the lower end, which can prevent the pure water flow from leaking from the lower end of the pure water chamber 52.
  • the structure of the closed lower end, and the structure of the axially disposed inner tube 30 and the third filter group 50 make the inner tube 30 detachably set in the built-in filter material installation cavity, that is, as long as the inner tube 30 and the third filter group 50 It may be detached from or attached to the supporting table 213 of the lower cover 212 together.
  • the inner wall of the enclosure plate 211 is formed with a support platform 213 projecting inward in the radial direction of the enclosure plate 211, the support platform 213 has an upper surface, and the inner tube 30 The lower end abuts against the upper surface of the support table 213, and the third filter group 50 is provided below the inner tube 30 and is located inside the support table 213.
  • the assembly of the inner tube 30 can be facilitated.
  • the support effect of the support table 213 on the inner tube 30 can improve the assembly stability of the inner tube 30, and can reduce the
  • the squeezing effect of the inner tube 30 on the third filter group 50 prevents the excessive pressure of the inner tube 30 from damaging the third filter group 50, which is beneficial to prolong the service life of the third filter group 50.
  • the support platform 213 extends along the circumferential direction of the surrounding board 211, that is, the support platform 213 is formed in a ring shape extending along the circumferential direction of the surrounding board 211, and the supporting platform 213 may also extend along the surrounding board
  • the axial extension of 211 is formed into a tubular shape, the lower end of the support table 213 abuts against the upper surface of the lower end cover of the central tube 21, and the third filter group 50 is provided in the support table 213.
  • the tubular support platform 213 can improve the uniformity of the inner tube 30 and prevent the inner tube 30 from being damaged or tilted due to uneven force.
  • the support table 213, the surrounding plate 211 and the lower end cover are integrally formed, that is to say, the central tube 21 is an integrally formed piece, and the integrally formed central tube 21 can improve the connection stability between the supporting table 213, the surrounding plate 211 and the lower end cover And connection strength, which can improve the functional stability and reliability of the central tube 21, and can eliminate the connection mechanism between the support table 213, the surrounding plate 211 and the lower end cover, and improve the assembly efficiency of the central tube 21 and the composite filter element assembly 100 And, the integrally formed central tube 21 has high strength and long service life.
  • the housing 10 includes a barrel 11 and a lower cover 12, the bottom of the barrel 11 is open, the first filter group 20 is provided in the barrel 11, the tap water inlet 111, The purified water outlet 112, the purified water inlet 113, and the pure water outlet 114 are all provided on the top of the barrel 11, the lower cover 12 is connected to the barrel 11 to close the open opening of the barrel 11, and the upper surface of the lower cover 12 is connected to the first The lower end surface of the filter group 20 abuts on the seal.
  • the housing 10 is further provided with four adapters 13, which are inserted into the tap water inlet 111, the purified water outlet 112, the purified water inlet 113, and the pure water outlet 114 in one-to-one correspondence.
  • the joint 13 provides convenience for assembling the waterway of the composite filter element assembly 100 and improves the airtightness of the waterway.
  • a waste water plug 14 is provided at the waste water outlet 115, and the waste water plug 114 is inserted in the waste water outlet 115.
  • the waste water plug 14 generates a certain resistance to the water in the waste water chamber 231.
  • the waste water plug 14 is turned on, and the waste water is discharged from the waste water chamber 231.
  • the waste plug 14 includes a sleeve and a plurality of capillaries.
  • the sleeve is inserted into the waste water outlet 115 and connected to the housing 10.
  • the capillary is provided on the inner wall of the sleeve and along the diameter of the sleeve Extend inward.
  • the wastewater plug 14 of the above structure has a simple structure and is easy to manufacture, and can effectively improve the water purification effect of the reverse osmosis filter.
  • the sleeve includes: a plug-in section 141 and a guide section 142, one end of the plug-in section 141 is plugged into the wastewater outlet 115, and the plug-in section 141 is along the Extending axially, the guide section 142 communicates with the other end of the plug section 141.
  • Both the insertion section 141 and the guide section 142 are provided with capillaries, or only the insertion section 141 or the guide section 142 may be provided with capillaries.
  • the sleeve of the above structure can not only increase the water pressure of the waste water chamber 231, but also insert the insertion section 141 in the waste water outlet 115, which has good stability and tightness.
  • the guide section 142 is suitable for connecting the waste water outlet 1115 and the waste water drainage pipe. Among them, the guide section 142 is perpendicular to the insertion section 141, which facilitates the connection of the waste water drainage pipe to the guide section 142, and can provide convenience for waste water discharge.
  • the housing 10 is also provided with a decorative cover 15, the decorative cover 15 is placed on the top of the barrel 11, the tap water inlet 111, the purified water outlet 112, the purified water inlet 113, the pure water outlet 114 and the waste water outlet 115 are all covered within the decorative cover 15, the appearance uniformity of the composite filter element assembly 100 is thereby improved.
  • the reverse osmosis filter membrane 22 is first wound on the central tube 21, and then the third filter group 50 is set in the built-in filter material installation cavity, and then the inner tube 30 is assembled on the built-in filter material In the installation cavity, the lower end of the inner tube 30 stops against the third filter group 50, and then the outlet pipe 60 is inserted into the inner pipe 30, then the second filter group 40 is sleeved on the outlet pipe 60, and finally the annular inner cover
  • the 23 cover is provided on the center tube 21, and the water outlet pipe 60 and the second inner end cover 43 extend from the middle of the annular inner cover 23.
  • the first filter group 20 is inserted into the barrel 11, and the top wall of the cavity of the barrel 11 is provided with a first water channel, a second water channel, a third water channel, a fourth water channel and a fifth water channel, the first water channel is connected Pure water outlet 114 and outlet pipe 60, one end of the second water channel communicates with the tap water inlet 111, and the other end communicates with the channel between the outer peripheral wall of the second inner end cover 43 and the inner peripheral wall of the ring-shaped inner cover 23;
  • the water outlet 112 has the other end connected to the passage between the inner peripheral wall of the second inner end cover 43 and the outer peripheral wall of the outlet pipe 60, one end of the fourth water passage communicates with the purified water inlet 113, and the other end communicates with the outer peripheral wall of the reverse osmosis filter 22 With the passage between the inner peripheral wall of the barrel 11, the fifth water channel connects the waste water outlet 115 and the waste water port 232.
  • the central axis of the first filter group 20, the central axis of the second filter group 40, the central axis of the inner tube 30, and the central axis of the outlet pipe 60 coincide with the central axis of the housing 10.
  • the outlet pipe 60, the second filter group 40, the inner pipe 30, the first filter group 20 and the housing 10 are nested in this order, so that the outlet pipe 60, the second filter group 40, the inner pipe 30 can be reduced
  • the occupied space of the first filter group 20 improves the utilization efficiency of the internal space of the composite filter element assembly 100, and thus can reduce the volume of the housing 10, which provides convenience for the use and assembly of the composite filter element assembly 100.
  • the composite filter element assembly 100 according to the second aspect of the embodiments of the present application will be described below with reference to FIGS. 9-11 and FIGS. 27-30.
  • the housing 10, the cylinder 11, the water purification outlet 112, the water purification inlet 113, the pure water outlet 114, the lower cover 12, the adapter 13, and the first filter group 20 The central tube 21, the reverse osmosis membrane 22, the annular inner cover 23, the inner tube 30, the second filter group 40, the third filter group 50, the outlet pipe 60 and other specific structures are applicable to the composite filter element of the embodiment of the second aspect of the present application Assembly 100, but the composite filter element assembly 100 of the embodiment of the second aspect of the present application may omit the above-mentioned partial structures (such as the handle 16, the fixing structure 17, the decorative cover 15, etc.), which are described in detail as follows.
  • the composite filter element assembly 100 includes: a housing 10, a first filter group 20, a second filter group 40, and a water outlet pipe 60.
  • the housing 10 is provided with a pure water outlet 114, the first filter group 20 is provided in the housing 10, the first filter group 20 defines a built-in filter material installation cavity, and the second filter group 40 is provided in the first filter group 20 And between the pure water outlet 114 and the built-in filter material installation cavity, the water outlet pipe 60 penetrates the second filter group 40 to connect the pure water outlet 114 and the built-in filter material installation cavity.
  • the pure water outlet 114 may be provided at the top of the housing 10, and the built-in filter material installation cavity is provided below the second filter group 40.
  • the upper end communicates with the pure water outlet 114
  • the lower end communicates with the built-in filter material installation cavity, which can provide convenience for the water flow in the built-in filter material installation cavity, and can simplify the water circuit design in the composite filter element assembly 100.
  • the first filter group 20 and the second filter group 40 are nested, the space in the first filter group 20 can be fully utilized, and the first filter is saved
  • the space occupied by the group 20 and the second filter group 40; on the other hand, using the outlet pipe 60 to connect the built-in filter material installation cavity and the pure water outlet 114 can simplify the water circuit design of the composite filter element assembly 100 and can assemble the composite filter element assembly 100 to offer comfort.
  • the water outlet pipe 60 includes a pipe 61 and an end plate 44.
  • the duct 61 penetrates the second filter group 40 in the axial direction of the second filter group 40 and communicates with the pure water outlet 114 and the built-in filter material installation cavity, that is, the second filter group 40 is sleeved on the duct 61.
  • the end plate 44 is sleeved on the duct 61, and the lower end surface of the second filter group 40 is sealed against the upper surface of the end plate 44.
  • the water flow enters the second filter group 40 from the outer peripheral wall of the second filter group 40 and flows out from the inner wall of the second filter group 40.
  • the inner wall of the second filter group 40 cooperates with the outer wall of the duct 61 to define a channel for filtering Water flows out.
  • the end plate 44 By providing the end plate 44 on the duct 61, the end plate 44 cooperates with the second filter group 40 to prevent leakage of the channel through which the filtered water flows out, thereby improving the tightness of the composite filter element assembly 100. Moreover, the structure of the duct 61 and the end plate 44 is simple, easy to manufacture, and the production cost is low.
  • the outer edge of the end plate 44 is formed with an upwardly bent flange, the flange extends in the circumferential direction of the end plate 44, and the inner peripheral wall of the flange is sealingly abutted against the outer peripheral wall of the second filter group 40.
  • the water outlet pipe 60 further includes: a rubber retaining ring 63, the rubber retaining ring 63 is sleeved on the end plate 44, and the rubber retaining ring 63 includes: a connecting ring 631 and a seal Ring 632, the connecting ring 631 extends along the circumferential direction of the end plate 44 and is connected to the outer peripheral edge of the end plate 44, the seal ring 632 is disposed around the end plate 44 and extends along the axial direction of the end plate 44, the lower circumference of the seal ring 632 is connected On the outer peripheral edge of the connecting ring 631, the inner peripheral wall of the seal ring 632 is in sealing contact with the outer peripheral wall of the second filter group 40 and the inner peripheral wall of the inner tube 30.
  • the duct 61 and the end plate 44 are integrally formed, which can improve the connection strength and stability of the connection between the duct 61 and the end plate 44 and the sealing effect between the duct 61 and the end plate 44.
  • the water flow is prevented from leaking from the gap between the end plate 44 and the duct 61.
  • the connection structure between the duct 61 and the end plate 44 is eliminated, the assembly efficiency of the water outlet pipe 60 is improved, and the service life of the water outlet pipe 60 can be extended.
  • the second filter group 40 includes: a support frame 41, a primary filter 42 and a second inner end cover 43.
  • the support frame 41 is sleeved on and along the conduit 61
  • the axial extension of the primary filter membrane 42 is sleeved on the support frame 41 and extends in the axial direction of the support frame 41
  • the second inner end cover 43 is sleeved on the catheter 61
  • the lower surface of the second inner end cover 43 is sealed against It is connected to the upper end surface of the primary filter 42.
  • the second filter group 40 is a PAC filter element
  • the primary filter membrane 42 is a tubular filter made of polyaluminum chloride material, and the thickness of the primary filter membrane 42 is greater than 10 mm.
  • the second filter group 40 is a roll made of nonwoven fabric, polypropylene layer, and carbon fiber, and has a long service life. When used in the filtration of tap water, it can initially remove sediment, rust and residual chlorine.
  • the second filter group 40 can also be formed by rolling only one or two materials of filter layers, which is not specifically limited here.
  • the primary filter membrane 42 and the supporting framework 41 form a second filter group 40 and are arranged in the first filter group 20, reducing the second
  • the diameter of the filter group 40 can further reduce the occupied space of the second filter group 40, and can reduce the volume of the primary filter membrane 42 and the production material, which is beneficial to reduce costs.
  • the support frame 41 is sleeved on the duct 61 to make full use of the internal space of the support frame 41, and thus the common space occupied by the water outlet pipe 60 and the second filter group 40 can be reduced.
  • the second inner end cap 43 is formed to be annularly sleeved on the duct 61, the lower surface of the second inner end cap 43 seals against the upper end face of the second filter group 40, and the inner periphery of the second inner end cap 43 is in contact with the duct 61
  • the outer wall of defines a water outlet channel that connects the first water purification cavity and the water purification outlet 112.
  • the housing 10 is provided with a water purification outlet 112.
  • the inner wall of the supporting frame 41, the outer wall of the duct 61 and the upper surface of the end plate 44 define a first water purification cavity communicating with the water purification outlet 112.
  • the first water purification chamber guides the filtered water out of the second filter group 40 to flow out.
  • a number of holes are formed in the wall of the support frame 41 through the wall of the support frame 41 in the thickness direction of the wall of the support frame 41.
  • the first filter group 20 includes: a central tube 21, a reverse osmosis filter 22, and an annular inner cover 23, the central tube 21 extends along the axial direction of the housing 10, and a built-in filter material is installed Both the cavity and the second filter group 40 are provided in the central tube 21.
  • the upper end of the center tube 21 is open, the lower part of the inner cavity of the center tube 21 is formed as a built-in filter material installation cavity, the upper part of the inner cavity of the center tube 21 is formed as a built-in filter material installation cavity, and the second filter group 40 is provided in the built-in The filter material is installed in the cavity.
  • the wall of the central tube 21 is formed with pure water through holes, the pure water through holes penetrate the wall of the center tube 21 along the thickness direction of the wall of the center tube 21, and the water flow enters the reverse osmosis filter membrane 22 from the lower end of the reverse osmosis filter membrane 22
  • the reverse osmosis filter 22 divides the water flow into waste water and pure water.
  • the waste water flows out from the upper end of the reverse osmosis filter 22 and is discharged through the waste water chamber 231 and the waste water outlet 115.
  • Pure water flows out from the inner wall of the reverse osmosis filter 22 and enters the built-in filter material installation cavity through the pure water through hole, and is discharged through the pure water outlet 114 for the user to drink.
  • the annular inner cover 23 is provided with a waste water port 232.
  • the annular inner cover 23 defines a waste water tank with an open lower surface.
  • the waste water tank extends along the circumferential direction of the annular inner cover 23.
  • the upper end surface of the permeable filter membrane 22 cooperates with the annular inner cover 23 to close the waste water tank to form a waste water chamber 231, and a waste water channel connecting the waste water chamber 231 and the waste water outlet 115 is defined in the annular inner cover 23.
  • the first filter group 20 (RO filter element) separates the waste water during the filtration process, and can guide the discharge of the waste water by setting the waste water port 232, the waste water chamber 231 and the waste water channel.
  • the waste water chamber 231 is defined on the ring-shaped inner cover 23, which can prevent the waste water from flowing, and can improve the quality of the filtered water flow.
  • the waste water of the first filter group 20 is discharged from the end of the first filter group 20, and the waste water chamber 231 is defined on the annular inner cover 23, which can provide convenience for the waste water to enter the waste water chamber 231, and has a simple structure, eliminating the first
  • the diversion channel between the group 20 and the waste water chamber 231 simplifies the structural design and waterway design of the composite filter element assembly 100.
  • the top of the housing 10 is provided with a waste water outlet 115 that communicates with the waste water port 232, and the waste water in the waste water chamber 231 is discharged through the waste water outlet 115, and a waste water valve is provided on the waste water outlet 115, and the waste water valve and the housing 10 are integrally formed.
  • the waste water in the chamber 231 reaches a certain pressure, the waste water valve is opened and the waste water is discharged.
  • the composite filter element assembly 100 further includes: an inner tube 30, the inner tube 30 is provided in the center tube 21, a second filter group 40 and a water outlet tube 60 are provided in the inner tube 30, the inner tube 30 is adjacent to the built-in filter material
  • One end of the installation cavity is provided with a through hole communicating with the built-in filter material installation cavity and the water outlet pipe 60.
  • the inner tube 30 includes a surrounding plate and a lower cover plate.
  • the surrounding plate is formed in a tubular shape that is sleeved on the second filter group 40.
  • the upper end of the surrounding plate is open, and the upper end of the surrounding plate is sealed and connected to the inner wall of the central tube 21.
  • the lower cover plate is connected to the lower end of the surrounding plate and closes the lower end of the surrounding plate, the lower end of the water outlet pipe 60 is inserted into the lower cover plate, and the through hole is provided on the lower cover plate.
  • the composite filter element assembly 100 further includes: a third filter group 50, which is provided in the built-in filter material installation cavity and connected along the inner tube 30, and the third filter
  • the group 50 and the second filter group 40 are arranged along the axial direction of the central tube 21, and the inner cavity of the third filter group 50 communicates with the through hole of the inner tube 30.
  • the end of the lower cover plate facing the third filter group 50 defines a ring-shaped mounting groove, and the end of the third filter group 50 is inserted into the ring-shaped mounting groove.
  • the assembly provides convenience, and can improve the tightness of the cooperation between the third filter group 50 and the lower cover plate to prevent water leakage from affecting the filtration effect of the third filter group 50.
  • a third filter group 50 is also provided in the built-in filter material installation cavity.
  • the third filter group 50 filters the water in the built-in filter material installation cavity.
  • the first filter group 20 is a reverse osmosis filter group.
  • the filtered water of the filtering group 20 becomes weakly acidic and has a poor taste, which is not suitable for users to drink directly. After the filtering effect of the third filtering group 50, the quality of pure water can be further improved and the taste of drinking water is improved.
  • the third filter group 50 is provided in the built-in filter material installation cavity to filter the pure water filtered by the first filter group 20 again, which can further improve the degree of compounding of the composite filter element assembly 100 and improve the water flow of the composite filter element assembly 100 Compared with the provision of the third filter group 50 alone, not only can the water flow design of the composite filter element assembly 100 be simplified, but also the volume of the composite filter element assembly 100 can be reduced.
  • the inner tube 30 of the above structure can not only accommodate the second filter group 40 (PAC filter element) and ensure the normal operation of the second filter group 40, but also use the lower cover plate to separate the second filter group 40 from the third filter group 50, The second filter group 40 and the third filter group 50 are prevented from interfering with each other.
  • PAC filter element PAC filter element
  • the third filter group 50 and the inner tube 30 are arranged along the axial direction of the first filter group 20, that is, the first filter group 20 defines a filter extending in the axial direction of the first filter group 20 Material installation cavity, the sum of the axial length of the inner tube 30 and the axial length of the third filter group 50 is less than or equal to the axial length of the filter material installation cavity, the third filter group 50 is located at the bottom of the filter material installation cavity, the inner tube 30 is placed on top of the third filter group 50.
  • the third filter group 50 and the inner tube 30 arranged along the axial direction of the first filter group 20 can make full use of the space of the built-in filter material installation cavity, which is helpful to reduce the inner diameter of the built-in filter material installation cavity, and thus can reduce the first filter group
  • the diameter and volume of 20, and the structure of the third filter group 50 and the inner tube 30 of the above structure are simple and easy to assemble.
  • the housing 10 includes a barrel 11 and a lower cover 12, the bottom of the barrel 11 is open, the first filter group 20 is provided in the barrel 11, the pure water outlet 114 and the waste water outlet 115 are both provided in the barrel At the top of 11, the lower cover 12 is connected to the barrel 11 to close the open opening of the barrel 11, and the upper surface of the end plate 44 is in sealing contact with the lower end surface of the first filter group 20, and the pure water outlet 114 is inserted and connected
  • the joint 113 provides convenience for the assembly of the composite filter element assembly 100.
  • the water treatment device 1000 includes the composite filter element assembly 100 described in the above embodiment.
  • the volume of the water treatment device 1000 can be reduced It saves space and simplifies the water circuit design of the water treatment device 1000 to facilitate assembly of the composite filter element assembly 100.
  • the following specific embodiments use purified tap water as an example to describe the three-stage filtration function of the composite filter element assembly 100, and explain the highly integrated structure of the composite filter element assembly 100, and the handle 16 for the composite filter element assembly 100 to be easily taken in and out.
  • the second filter group 40 will be described by taking a roll-shaped primary filter made of nonwoven fabric, polypropylene layer, carbon fiber, and support frame 41 as an example;
  • the first filter group 20 uses a reverse osmosis filter as an intermediate filter Take the example for explanation.
  • the third filter group 50 will be described using cylindrical hollow carbon rods as final filtration.
  • the composite filter element assembly 100 includes a housing 10, a first filter group 20, an inner tube 30, a second filter group 40, a third filter group 50, a fixed structure 17, and a handle 16.
  • the housing 10 defines a filter cavity
  • the first filter group 20 is disposed in the filter cavity
  • the first filter group 20 defines a built-in filter material installation cavity with one side open.
  • the inner tube 30 is detachably provided in the built-in filter material installation cavity
  • the second filter group 40 is provided in the inner tube 30.
  • the outer wall of the first filter group 20 and the inner wall of the housing 10 define a first water purification chamber 51 that communicates with the purified water inlet 113, and the inner wall of the first filter group 20 and the outer wall of the inner tube 30 define a pure water that communicates with the pure water outlet 114
  • the inner wall of the inner tube 30 and the outer wall of the second filter group 40 define a tap water cavity 53 that communicates with the tap water inlet 111.
  • the second filter group 40 defines a second water purifier cavity 54 that communicates with the water purifier outlet 112.
  • the upper part of the housing 10 is also provided with a waste water port 232 communicating with the first filter group 20.
  • the inner tube 30 and the third filter group 50 are arranged forward and backward in the axial direction in the built-in filter material installation cavity.
  • the pure water cavity 52 is formed inside the central tube 21 in the first filter group 20, and the third filter group 50 will
  • the pure water chamber 52 is divided into an external original pure water chamber 522 and an internal water outlet chamber 521.
  • One end of the water outlet pipe 60 communicates with the pure water outlet 114. After the other end of the water outlet pipe 60 penetrates the inner pipe 30 along the axial direction of the inner pipe 30, it extends out of the inner pipe 30 and extends into the support frame 41 of the third filter group 40 to communicate ⁇ ⁇ 521.
  • a fixing structure 17 is respectively provided on both ends of the upper part of the casing 10 near the decorative cover 15.
  • the handle 16 is generally curved, and can bypass the decorative cover 15 or be located on one side of the housing 10.
  • the handle 16 is provided with a matching structure 161, and the matching structure 161 and the fixed structure 17 are rotatably engaged.
  • the mating structure 161 has a first position and a second position relative to the fixed structure 17 in the direction of rotation,
  • the handle 16 In the first position, the handle 16 is perpendicular to the axis of the housing 10, and the mating structure 161 can be connected to the fixed structure 17 by pulling out.
  • the handle 16 wraps around the upper part of the decorative cover 15, the matching structure 161 rotates in the fixed structure 17, and snaps together to form an anti-off structure, which is convenient for a person to lift the handle 16 to lift the entire composite filter element assembly 100 .
  • the entire tap water filtration process is that tap water enters tap water cavity 53 from tap water inlet 111 and flows radially inward, passes through the filtering action of second filter group 40 and enters second clean water cavity 54 and flows out through clean water outlet 112.
  • the outflowing purified water enters the first purified water chamber 51 through the purified water inlet 113 through the function of the booster pump, and the water flow in the first purified water chamber 51 enters the original pure water chamber 522 through the filtering action of the first filter group 20.
  • the water in the water cavity 522 is filtered by the third filter group 50 and enters the water outlet cavity 521, and then flows upward from the water outlet pipe 60 to flow out from the pure water outlet 114 for the user to drink.
  • the matching structure 161 of the handle 16 of the present application and the fixing structure 17 on the housing 10 can also be used on other types of filter element assemblies, such as a single filter element bottle and a composite filter element assembly, not limited to The composite filter element assembly 100 mentioned in this application.
  • the following specific embodiments use purified tap water as an example to describe the three-stage filtration function of the composite filter element assembly 100, and illustrate the highly integrated design structure and simplified waterway design of the composite filter element assembly 100.
  • the second filter group 40 will be described as an example of a roll-shaped primary filter made by rolling a nonwoven fabric, a polypropylene layer, carbon fiber, and a supporting frame 41.
  • the first filter group 20 will be described by using a reverse osmosis filter element as an intermediate filter.
  • the third filter group 50 will be described using cylindrical hollow carbon rods as final filtration.
  • a composite filter element assembly 100 is shown in FIGS. 9-11 and 27-30, and the entire composite filter element assembly 1000 is installed vertically in a normal state.
  • the composite filter element assembly 100 includes: a housing 10, a first filter group 20, an inner tube 30, a second filter group 40, a third filter group 50, and a water outlet tube 60.
  • the top of the housing 10 is provided with a pure water outlet 114 and a waste water outlet 115.
  • the housing 10 includes a cylindrical body 11 and a lower cover 12. The bottom of the cylindrical body 11 is open.
  • the first filter group 20 is provided in the housing 10, and a built-in filter material installation cavity is defined in the first filter group 20
  • the second filter group 40 is provided in the first filter group 20 and is located between the pure water outlet 114 and the built-in filter material installation cavity.
  • the water outlet pipe 60 passes through the second filter group 40 to connect the pure water outlet 114 and the built-in filter material installation cavity.
  • the water outlet pipe 60 includes: a pipe 61, an end plate 44, and a rubber ring 63.
  • the duct 61 and the end plate 44 are integrally formed.
  • the duct 61 penetrates the second filter group 40 along the axial direction of the second filter group 40 and connects the pure water outlet 114 and the built-in filter material installation cavity, the end plate 44 is sleeved on the duct 61, and the lower end surface of the second filter group 40 is sealed against the upper surface of the end plate 44.
  • the rubber retaining ring 63 is sleeved on the end plate 44.
  • the rubber retaining ring 63 includes: a connecting ring 631 and a sealing ring 632.
  • the connecting ring 631 extends along the circumferential direction of the end plate 44 and is connected to the outer periphery of the end plate 44
  • the seal ring 632 is disposed around the end plate 44 and extends in the axial direction of the end plate 44.
  • the lower circumference of the seal ring 632 is connected to the outer circumferential edge of the connection ring 631.
  • the second filter group 40 includes: a support frame 41, a primary filter membrane 42 and a second inner end cover 43.
  • the support frame 41 is sleeved on the duct 61 and extends in the axial direction of the duct 61.
  • the primary filter membrane 42 is sleeved on the support frame 41 and extends in the axial direction of the support frame 41, the second inner end cover 43 is sleeved on the catheter 61, and the lower surface of the second inner end cover 43 is sealed against the upper end surface of the preliminary filter membrane 42 .
  • the second inner end cap 43 is formed to be annularly sleeved on the duct 61, the lower surface of the second inner end cap 43 seals against the upper end face of the second filter group 40, and the inner periphery of the second inner end cap 43 is in contact with the duct 61
  • the outer wall of defines a water outlet channel that connects the first water purification cavity and the water purification outlet.
  • the first filter group 20 includes: a central tube 21, a reverse osmosis filter 22 and an annular inner cover 23, the central tube 21 extends along the axial direction of the housing 10, and has a built-in filter material installation cavity and a second filter group 40 are set in the central tube 21.
  • a pure water through hole is formed on the wall of the center tube 21, the pure water through hole penetrates the wall of the center tube 21 along the thickness direction of the wall of the center tube 21, and the water flow enters the reverse osmosis filter 22 from the lower end of the reverse osmosis filter 22
  • the osmosis filter 22 divides the water flow into waste water and pure water.
  • the waste water flows out from the upper end of the reverse osmosis filter 22 and is discharged through the waste water chamber 231 and the waste water outlet 115.
  • Pure water flows out from the inner wall of the reverse osmosis filter 22 and enters the built-in filter material installation cavity through the pure water through hole, and is discharged through the pure water outlet 114 for the user to drink.
  • the annular inner cover 23 is provided with a waste water port 232.
  • the annular inner cover 23 defines a waste water tank with an open lower surface.
  • the waste water tank extends along the circumferential direction of the annular inner cover 23, and the reverse osmosis filter membrane
  • the upper end surface of 22 cooperates with the annular inner cover 23 to close the waste water tank to form a waste water chamber 231, and a waste water channel connecting the waste water chamber 231 and the waste water outlet 115 is defined in the annular inner cover 23.
  • the inner tube 30 is provided in the center tube 21, the second filter group 40 and the outlet pipe 60 are provided in the inner tube 30, and the end of the inner tube 30 adjacent to the built-in filter material installation cavity is provided with a built-in filter material installation Through holes of the cavity and the water outlet pipe 60.
  • the inner tube 30 includes a surrounding plate and a lower cover plate.
  • the surrounding plate is formed in a tubular shape that is sleeved on the second filter group 40.
  • the upper end of the surrounding plate is open, and the upper end of the surrounding plate is sealed and connected to the inner wall of the central tube 21.
  • the lower cover plate is connected to the lower end of the surrounding plate and closes the lower end of the surrounding plate, the lower end of the water outlet pipe 60 is inserted into the lower cover plate, and the through hole is provided on the lower cover plate.
  • the third filter group 50 is provided in the built-in filter material installation cavity and connected to the inner tube 30.
  • the third filter group 50 and the second filter group 40 are arranged along the axial direction of the central tube 21, and the third filter group
  • the inner cavity of 50 communicates with the through hole of the inner tube 30.
  • An end of the lower cover plate facing the third filter group 50 defines a ring-shaped mounting groove, and an end of the third filter group 50 is inserted into the ring-shaped mounting groove.
  • connection should be understood in a broad sense, for example, it can be fixed connection or detachable Connected, or connected integrally; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • installation should be understood in a broad sense, for example, it can be fixed connection or detachable Connected, or connected integrally; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • FIG. 3 Three filter groups are shown in FIG. 3 for illustrative purposes, but after reading the above technical solutions, ordinary technicians can obviously understand that this solution is applied to the technical solutions of two or more filter groups. This also falls within the protection scope of the present invention.

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Abstract

一种复合滤芯组件(100)和水处理装置(1000)，复合滤芯组件(100)包括壳体(10)、内管(30)、第一过滤组(20)、第二过滤组(40)、固定结构(17)、提手(16)。其中，由外到内依次嵌套形成有壳体、第一过滤组、内置滤材安装腔、内管和第二过滤组。壳体上设有固定结构。提手上设有配合结构(161)，配合结构与固定结构转动配合，配合结构可抽插连接在固定结构上或与固定结构卡合形成防脱结构。

Description

复合滤芯组件和具有其的水处理装置
相关申请的交叉引用
本申请基于申请号为201811291626.7、申请日为2018年10月31日的中国专利申请“复合滤芯和具有其的水处理装置”，申请号为201821792140.7、申请日为2018年10月31日的中国专利申请“复合滤芯和具有其的水处理装置”，申请号为201811291331.X、申请日为2018年10月31日的中国专利申请“复合滤芯组件”，申请号为201821790361.0、申请日为2018年10月31日的中国专利申请“复合滤芯组件”提出，并要求上述中国专利申请的优先权，上述中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请属于家用电器技术领域，具体地，涉及一种复合滤芯组件和具有其的水处理装置。
背景技术
从城市自来水厂输送到各用户的自来水中，通常会含有一定量的盐离子、金属物质、氯化物、微生物、泥沙等物质。为了提高饮水质量，越来越多的家庭选择在自来水的出水管上安装净水机，净水机内带有多种功能的滤芯，以去除自来水中不同种类的有害物质。
通常，现有的净水机滤芯一般为3～4级，部分厂家净水机滤芯为双芯。为了改善复合滤芯的过滤效果，通常在净水机内布置多种滤芯组件，各个滤芯组件之间的进、出水口依次串联，不同的滤芯两侧分别形成进水腔体、出水腔体，为了达到高品质的饮用水，往往需要串联三级、四级滤芯组件，不同滤芯组件之间的出水口和进水口之间均需要外部管道进行连接，使复合滤芯组件管道系统庞杂，净水机整机占用空间较大，不方便安装和更换滤芯。有的净水机滤芯中多级滤芯组件之间的水路完全间隔开设置，占用空间较大且不易集成，不仅增加了水处理装置的体积，而且导致水处理装置的水路设计较复杂，设计难度较大。
另外，在更换各级滤芯时，往往需要抱住滤芯，滤芯的取放不方便。
发明内容
本申请旨在至少在一定程度上解决相关技术中的技术问题之一。
为此，本申请第一方面的目的在于提出一种复合滤芯组件，所述复合滤芯组件体积小，过滤效果好，取放方便。
本申请第二方面的目的在于提出另一种复合滤芯组件，所述复合滤芯组件的体积较小，水路设计简单。
本申请第三方面的目的在于提出一种具有上述复合滤芯组件的水处理装置。
根据本申请第一方面实施例的复合滤芯组件，包括：壳体；第一过滤组，所述第一过滤组设在所述壳体内，且所述第一过滤组内限定有内置滤材安装腔；内管，所述内管可拆卸地设在所述内置滤材安装腔内；第二过滤组，所述第二过滤组设在所述内管内；固定结构，所述固定结构设在所述壳体上；提手，所述提手上设有配合结构，所述配合结构可与所述固定结构转动配合，所述配合结构相对所述固定结构在转动方向上具有第一位置和第二位置，在第一位置时所述配合结构可抽插连接在所述固定结构上，在第二位置时所述配合结构与所述固定结构卡合形成防脱结构。
根据本申请实施例的复合滤芯组件，在壳体上设置与提手配合的固定结构，可增加复合滤芯组件的取放便利性。提手上的配合结构可在固定结构中转动并在第一位置和第二位置变换，在第一位置时配合结构和固定结构方便连接，容易将提手安装在壳体上；在第二位置时配合结构和固定结构相互卡合，可防脱，从而便于提起，防止在拎起提手的过程中提手与壳体之间分离。将第二过滤组设在内管内，并将内管设在第一过滤组内，也就是说第一过滤组、内管和第二过滤组依次嵌套设置，可以充分利用第一过滤组内的空间，而且利用内管将第一过滤组和第二过滤组间隔开并复合设置在壳体内，原来一个过滤管的空间容纳两个过滤管，节省了第一过滤组和第二过滤组的占用空间。而且可拆卸设置的内管装配简单，为第一过滤组装配提供方便。
可选的，所述配合结构为第一插接结构，所述第一插接结构包括端部敞口的轴套，所述轴套的内壁上设有导向槽，所述导向槽在所述轴套敞口的一端敞开，所述轴套上在所述导向槽的一侧开有卡孔；所述固定结构包括导向柱和连接在所述导向柱的周壁上的限位柱；其中，在第一位置时，所述导向柱可插入所述轴套同时所述限位柱可插入所述导向槽，在第二位置时所述限位柱卡接在所述卡孔中。
可选的，所述导向槽沿所述轴套的轴向延伸，或者所述导向槽在从端部到所述卡孔的方向上螺旋延伸。
可选的，所述导向槽和所述卡孔均在所述轴套的厚度方向上贯通所述轴套。
可选的，所述配合结构为第二插接结构，所述第二插接结构包括插柱，所述插柱的端部设有卡块以使所述插柱的端部为非圆形；所述固定结构内限定出凹槽，所述凹槽的端部具有缩口，所述缩口形成为与所述插柱的端部相适配的非圆形；且，在第一位置时， 所述插柱可通过所述缩口插入所述凹槽内，在第二位置时所述卡块卡在所述缩口的内侧。
可选的，所述插柱上设有同轴设置的插孔，所述凹槽内设有连接柱，所述连接柱插在所述插孔内。
可选的，所述插柱的端部的外轮廓形状是一半为半圆形、另一半为半椭圆形，所述凹槽的缩口的形状是一半为半圆形、另一半为半椭圆形。
可选的，所述壳体的端部设有自来水入口、净水出口、净水入口和纯水出口；所述第一过滤组的外壁与所述壳体的内壁限定出连通所述净水入口的第一净水腔；所述第一过滤组的内壁与所述内管的外壁限定出连通所述纯水出口的纯水腔；所述内管的内壁与所述第二过滤组的外壁限定出连通所述自来水入口的自来水腔；所述第二过滤组内限定有连通所述净水出口的第二净水腔。
可选的，所述第一过滤组包括：中心管，所述内置滤材安装腔设在所述中心管内，所述中心管的壁上形成有纯水通孔；反渗透滤膜，所述反渗透滤膜套设在所述中心管上；环形内盖，所述环形内盖套设在所述中心管上，所述环形内盖的内周沿与所述内管的上端沿相连，且所述环形内盖的下端面与所述反渗透滤膜的上端面止抵。
可选的，所述环形内盖内限定有向下敞开的废水槽，所述反渗透滤膜的上端面与所述环形内盖配合封闭所述废水槽形成废水腔，所述内盖顶部设有连通所述废水腔的废水口，所述壳体的顶部设有连通所述废水口的废水出口。
可选的，复合滤芯组件还包括：第三过滤组，所述第三过滤组设在所述纯水腔内，所述第三过滤组与所述内管沿所述第一过滤组的轴向排列；所述第三过滤组将所述纯水腔分割成位于所述第三过滤组外的原纯水腔和位于所述第三过滤组内的出水腔，所述出水腔连通所述纯水出口。
根据本申请一个实施例的复合滤芯组件，还包括：出水管，所述出水管沿所述内管的轴向贯穿所述内管，所述出水管的一端连通所述出水腔，所述出水管的另一端连通所述纯水出口。
根据本申请第二方面实施例的复合滤芯组件，包括：壳体、第一过滤组、第二过滤组和出水管，所述壳体上设有纯水出口，所述第一过滤组设在所述壳体内，所述第一过滤组内限定有内置滤材安装腔，所述第二过滤组设在所述第一过滤组内且位于所述纯水出口与所述内置滤材安装腔之间，所述出水管贯穿所述第二过滤组连通所述纯水出口和所述内置滤材安装腔。
根据本申请实施例的复合滤芯组件，将第一过滤组和第二过滤组嵌套设置，可以充分利用第一过滤组内的空间，节省了第一过滤组和第二过滤组的占用空间，而且利用出 水管连通内置滤材安装腔和纯水出口，可以简化复合滤芯组件的水路设计，为复合滤芯组件的装配提供了方便。
可选的，所述出水管包括：导管，所述导管连通所述纯水出口和所述内置滤材安装腔，所述第二过滤组套设在所述导管上；端板，所述端板套设在所述导管上，所述第二过滤组的下端面密封抵接所述端板的上表面。
可选的，所述端板的外周沿形成有向上弯折的翻边，所述翻边沿所述端板的周向延伸，且所述翻边的内周壁密封抵接所述第二过滤组的外周壁。
可选的，所述出水管还包括：挡胶环，所述挡胶环套设在所述端板上，所述挡胶环包括：连接环，所述连接环沿所述端板的周向延伸并与所述端板的外周沿相连；密封环，所述密封环围绕所述端板设置并沿所述端板的轴向延伸，所述密封环的下周沿连接所述连接环的外周沿，所述密封环的内周壁密封抵接所述第二过滤组的外周壁。
可选的，所述导管与所述端板一体成型。
可选的，所述第二过滤组包括：支撑骨架，所述支撑骨架套设在所述导管上并沿所述导管的轴向延伸；初滤膜，所述初滤膜套设在所述支撑骨架上并沿所述支撑骨架的轴向延伸；第二内端盖，所述第二内端盖套设在所述导管上，所述第二内端盖的下表面密封抵接所述初滤膜的上端面。
可选的，所述第一过滤组包括：中心管，所述内置滤材安装腔和所述第二过滤组均设在所述中心管内，所述中心管的壁上形成有纯水通孔；反渗透滤膜，所述反渗透滤膜套设在所述中心管上；环形内盖，所述环形内盖套设在所述中心管上，所述环形内盖的下端面与所述反渗透滤膜的上端面止抵。
可选的，复合滤芯组件还包括：内管，所述内管设在所述中心管内，所述内管的上沿与所述中心管的内周壁密封抵接，所述第二过滤组和所述出水管设在所述内管内，所述内管邻近所述内置滤材安装腔的一端设有连通所述内置滤材安装腔和所述出水管的通孔。
可选的，复合滤芯组件还包括：第三过滤组，所述第三过滤组设在所述内置滤材安装腔内并沿所述内管相连，所述第三过滤组的内腔连通所述通孔。
可选的，所述内管邻近所述第三过滤组的一端限定有环形安装槽，所述第三过滤组的一端插接在所述环形安装槽内。
可选的，所述壳体包括：筒体，所述筒体的底部敞开，所述第一过滤组设在所述筒体内，所述纯水出口均设在所述筒体的顶部；下盖，所述下盖与所述筒体相连以封闭所述筒体的敞开口，且所述下盖的上表面与所述第一过滤组的下端面密封抵接。
根据本申请第三方面实施例的水处理装置，包括上述实施例的复合滤芯组件。
根据本申请实施例的水处理装置，可以缩小水处理装置的体积，节省占用空间，而且简化了水处理装置的水路设计，方便复合滤芯装配。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1为本申请一个实施例的复合滤芯组件的结构示意图。
图2为本申请一个实施例的复合滤芯组件的局部结构示意图。
图3为沿图1中A-A线的剖视图。
图4为沿图2中B-B线的剖视图。
图5为图4中机构的爆炸图。
图6为本申请一个实施例的复合滤芯组件的壳体的爆炸图。
图7为本申请一个实施例的内管和活性炭滤芯的配合示意图。
图8为沿图7中C-C线的剖视图。
图9为本申请一个实施例的环形内盖的结构示意图。
图10为本申请一个实施例的环形内盖的剖视图。
图11为本申请一个实施例的环形内盖的俯视图。
图12为本申请一个实施例的中心管的结构示意图。
图13为本申请一个实施例的中心管的剖视图。
图14为本申请一个实施例的中心管的侧视图。
图15为本申请一个实施例的废水塞的结构示意图。
图16为本申请一个实施例的复合滤芯组件的第一固定结构与第一插接结构在第一位置时的配合关系示意图。
图17为本申请一个实施例的第一固定结构与第一插接结构在第一位置配合时的局部放大示意图。
图18为本申请一个实施例的复合滤芯组件的第一固定结构与第一插接结构在第二位置时的配合关系示意图。
图19为本申请一个实施例的第一固定结构与第一插接结构在第二位置配合时的局部放大示意图。
图20为本申请一个实施例的带第一插接结构的提手的立体结构示意图。
图21为本申请一个实施例的复合滤芯组件的第二固定结构与第二插接结构在第一位置时的配合关系示意图。
图22为本申请一个实施例的第二固定结构与第二插接结构在第一位置配合的局部结构示意图。
图23为本申请一个实施例的复合滤芯组件的第二固定结构与第二插接结构在第二位置时的配合关系示意图。
图24为本申请一个实施例的第二固定结构与第二插接结构在第二位置配合时的结构示意图。
图25为本申请一个实施例的复合滤芯组件的第二固定结构与第二插接结构的俯视图。
图26为本申请一个实施例的带第二插接结构的提手的立体结构示意图。
图27为本申请另一个实施例的复合滤芯组件的结构示意图。
图28为根据本申请实施例的复合滤芯组件的局部结构示意图。
图29为沿图27中D-D面的剖视图。
图30为沿图28中E-E面的剖视图。
图31为本申请包含有复合滤芯组件的水处理装置的示意图。
附图标记：
水处理装置1000；
复合滤芯组件100；
壳体10；
筒体11；
自来水入口111；净水出口112；净水入口113；纯水出口114；废水出口115；
下盖12；
转接头13；
废水塞14；插接段141；导向段142；
装饰盖15；
提手16；
配合结构161；
第一插接结构1611；轴套16111；导向槽16112；卡孔16113；
第二插接结构1612；插柱16121；插孔16122；卡块16123；
固定结构17；
第一固定结构171；导向柱1711；限位柱1712；
第二固定结构172；凹槽1721；缩口1722；连接柱1724；
第一过滤组20；
中心管21；
围板211；纯水通孔2111；导水槽2112；
下盖板212；
支撑台213；
反渗透滤膜22；环形内盖23；废水腔231；废水口232；
内管30；
第二过滤组40；
支撑骨架41；初滤膜42；第二内端盖43；端板44；
第三过滤组50；
第一净水腔51；
纯水腔52；出水腔521；原纯水腔522；
自来水腔53；
第二净水腔54；
出水管60；导管61；挡胶环63；连接环631；密封环632。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
下面参考图1-图26描述根据本申请第一方面实施例的复合滤芯组件100，本申请第一方面实施例的复合滤芯组件100主要是一种带有提手16、便于装配的复合滤芯组件100。
根据本申请一个实施例的复合滤芯组件100，如图1和3所示，包括：壳体10、第一过滤组20、内管30、第二过滤组40、固定结构17、提手16。
具体地，如图3、图4、图5、图7、图8所示，壳体10内限定有过滤腔，第一过滤组20设在过滤腔内，且第一过滤组20内限定有一侧敞开的内置滤材安装腔，内管30可拆卸地设在内置滤材安装腔内，第二过滤组40设在内管30内。通过在第一过滤组20内设置内置滤材安装腔，内管30可拆卸地设在内置滤材安装腔内。即内管30可方便地从内置滤材安装腔内取出更换，也可以方便地装入内置滤材安装腔中。
如图16-图26所示，固定结构17设在壳体10上。提手16上设有配合结构161，配合结构161可与固定结构17转动配合。通过配合结构161和固定结构17的相互配合，使提手16可以转动地连接在壳体10上，方便取、放复合滤芯组件100时，直接拎取提手16，而无需握持壳体10。
配合结构161相对固定结构17在转动方向上具有第一位置和第二位置，在第一位置时配合结构161可抽插连接在固定结构17上，在第二位置时配合结构161与固定结构17卡合形成防脱结构。
可以理解的是，本申请复合滤芯组件100，将第二过滤组40设在内管30内，并将内管30设在第一过滤组20内，也就是说，第一过滤组20、内管30和第二过滤组40依次嵌套设置，可以充分利用第一过滤组20内的空间。
利用内管30将第一过滤组20和第二过滤组40间隔开复合设置在壳体10内，两个过滤组之间进行过滤时不会发生相互干扰，且原来容纳一个滤芯的空间可以同时容纳两个过滤组，节省了第一过滤组20和第二过滤组40的总体占用空间，使得复合滤芯组件100整体的结构紧凑，一体化程度高，有利于减小结构尺寸。
可拆卸设置的内管30装配简单，为第一过滤组20装配和更换提供方便，为客户自主换芯提供了可能性。
提手16上的配合结构161可在固定结构17中转动并在第一位置和第二位置变换，在第一位置时配合结构161和固定结构17方便连接，只需将配合结构161抽插连接在固定结构17中，因此提手16容易安装在壳体10上。
在第二位置时配合结构161和固定结构17相互卡合，使得配合结构161与固定结构17之间形成较为牢固的连接，可防脱，从而便于提起，防止在拎起提手16的过程中提手16与壳体10之间分离。
本申请具有上述提手16结构的复合滤芯组件100，相比于现有技术中的无提手的滤芯组件，或只能固定连接提手16的滤芯组件100，其兼具安装的便利性，以及安装后使用过程中的承力性能。
在本申请的一些实施例中，如图16-图20所示，配合结构161为第一插接结构1611，第一插接结构1611包括端部敞口的轴套16111，轴套16111的内壁上设有导向槽16112，导向槽16112在轴套16111敞口的一端敞开，轴套16111上在导向槽16112的一侧开有卡孔16113。固定结构17包括导向柱1711和连接在导向柱1711的周壁上的限位柱1712。
具有以上连接配合结构的提手16，在第一位置时，如图16和图17所示，当轴套16111正对导向柱1711时，限位柱1712正对着导向槽16112。导向柱1711插入轴套 16111，同时限位柱1712插入导向槽16112。即在第一位置时，导向柱1711和限位柱1712同时从轴套16111和导向槽16112中无阻隔地插入，导向柱1711和限位柱1712也能无阻隔地从轴套16111和导向槽16112中拔出，便于提手16安装在壳体10上。
在第二位置时，如图18和图19所示，限位柱1712卡接在卡孔16113中。即限位柱1712从第一位置转动进入第二位置时，限位柱1712由导向槽16112插到卡孔16113中，卡孔16113使限位柱1712无法沿轴向移动。
为了方便描述，下文中，将与第一插接结构1611配合的固定结构17记为第一固定结构171，将于第二插接结构1612配合的固定结构17记为第二固定结构172。
此外，限定有“第一”、“第二”、“第三”的特征可以明示或者隐含地包括一个或者更多个该特征，用于区别描述特征，无顺序之分，无轻重之分。
可选地，导向槽16112沿轴套16111的轴向延伸。此时，在将轴套16111插上导向柱1711时，沿轴向移动轴套16111，就能将卡孔16113移到限位柱1712处，之后旋转提手16，就能使限位柱1712卡在卡孔16113内。
在其他一些实施例中，导向槽16112在从端部到卡孔16113的方向上螺旋延伸，即导向槽16112是螺旋延伸槽。在将轴套16111插上导向柱1711时，一边沿轴向移动轴套16111一边还要转动轴套16111(类似于拧螺丝的动作)，才能将卡孔16113移动限位柱1712处，之后旋转提手16，就能使限位柱1712卡在卡孔16113内。
可选地，导向槽16112和卡孔16113均在轴套16111的厚度方向上贯通轴套16111。这样在轴套16111上加工导向槽16112和卡孔16113，也非常方便。当然本申请不限于此，例如也可以将导向槽16112和卡孔16113设置在轴套16111的内壁上，也能实现上述功能。
在本申请的另一些实施例中，如图21-图26所示，配合结构161为第二插接结构1612，第二插接结构1612包括插柱16121，插柱16121的端部设有卡块16123，如图26所示，卡块16123的设置使插柱16121的端部轮廓为非圆形。
相对的，固定结构17内限定出凹槽1721，凹槽1721的端部具有缩口1722，缩口1722形成为与插柱16121的端部相适配的非圆形。这里说的缩口1722形成为与插柱16121的端部相适配的非圆形，指的是当提手16在第一位置时，插柱16121的端部形状与缩口1722的形状相一致，当然缩口1722要比插柱16121的端部略大。而凹槽1721的内部形状不限，只要在插柱16121插入凹槽1721后插柱16121可转动到第二位置即可，即在第二位置时凹槽1721内部不能与卡块16123产生干涉。
在第一位置时，插柱16121可通过缩口1722插入凹槽1721内，在第二位置时卡块 16123卡在缩口1722的内侧。
可选地，如图22、图24、图25所示，插柱16121上设有同轴设置的插孔16122，凹槽1721内设有连接柱1724，连接柱1724插在插孔16122内。连接柱1724与插孔16122相互配合，一方面在第一位置时，提手16安装在壳体10上，可起到一定的导向作用，另一方面为提手16从第一位置转动到第二位置时，提供一个转动轴。另外，提手16转动后在第二位置时，连接柱1724可以作为承力杆，起到一定的支撑作用。
可选地，如图22、图24、图26所示，插柱16121的端部外轮廓形状是一半为半圆形、另一半为半椭圆形，凹槽1721的缩口1722的形状是一半为半圆形、另一半为半椭圆形。如此设置，一方面两者之间形成契合，容易识别和装配提手16；另一方面，插柱16121半椭圆形的一端带有卡块16123的部分，轮廓圆滑不易卡滞，更有利于形成稳定地支撑作用，使提手16不易从壳体10的外部脱出。
在本申请的一些实施例中，如图8所示，内管30形成为一端敞开另一端封闭的管状，内管30将内置滤材安装腔间隔成内腔和外腔，第二过滤组40设在内腔内，由于内置滤材安装腔的一侧敞开，水流不仅可以穿过第一过滤组20从而由第一过滤组20过滤，还可以通过内置滤材安装腔的敞口进入内腔，并经过第二过滤组40进行过滤，使第一过滤组20和第二过滤组40之间形成串联关系。
在本申请一些实施例中，如图2和4所示，第一过滤组20为反渗透滤芯，第二过滤组40为初滤滤芯，初滤滤芯的壁厚大于10mm。
在本申请一些示例中，第二过滤组40为由无纺布、聚丙烯层、碳纤维卷制而成的卷筒，使用寿命较长。当用于自来水的过滤时，可初步去除泥沙、铁锈及余氯。当然，第二过滤组40也可以仅由其中一种或两种材料的滤层卷制而成，这里不做具体限制。
初滤滤芯的过滤效果与初滤滤芯的壁厚有关，初滤滤芯的壁越厚过滤效果越好，当初滤滤芯的壁厚大于10mm时，可以满足用户对水流的过滤要求。反渗透滤芯的过滤效果与绕设的滤膜的面积有关。因此，在反渗透滤芯内限定出内置滤材安装腔，将初滤滤芯设在反渗透滤芯内，在保证初滤滤芯过滤效果的同时可以缩小初滤滤芯的体积，进而可以减小初滤滤芯的占用空间，而且可以减少初滤滤芯的生产材料，进而可以节省成本，而将反渗透滤芯设在初滤滤芯的外部，反渗透滤芯的直径较大，在绕设相同面积滤膜的情况下，可以降低反渗透滤芯的壁厚，同样可以降低反渗透滤芯的占用空间。
由此，上述组合的第一过滤组20和第二过滤组40，在满足复合滤芯组件100过滤要求的情况下，占用空间小，可以最大程度的提升壳体10内部空间的利用效率，有利 于缩小复合滤芯组件100的总体体积，为用户使用提供了方便。
如图1所示，根据本申请一个实施例的复合滤芯组件100，壳体10上设有自来水入口111、净水出口112、净水入口113和纯水出口114，其中，自来水入口111和净水出口112连通内置滤材安装腔。
如图3所示，第一过滤组20的外壁与壳体10的内壁限定出连通净水入口113的第一净水腔51，第一过滤组20的内壁与内管30的外壁限定出连通纯水出口114的纯水腔52，内管30的内壁与第二过滤组40的外壁限定出连通自来水入口111的自来水腔53，第二过滤组40内限定有连通净水出口112的第二净水腔54。
水流经过自来水入口111进入自来水腔53，自来水腔53内的水流经过第二过滤组40的过滤作用进入第二净水腔54并通过净水出口112流出，流出的净水经过增压泵的作用通过净水入口113进入第一净水腔51，第一净水腔51内的水流经过第一过滤组20的过滤作用进入纯水腔52，纯水腔52中的水流经纯水出口114流出供用户饮用。
其中，壳体10的内壁与第一过滤组20的外壁之间具有间隙并形成第一均布流道，第一过滤组20的内壁与内管30的外壁之间具有间隙并形成第二均布流道，内管30的内壁与第二过滤组40的外壁之间具有间隙并形成第三均布流道。由此不仅可以保证水流的正常通过，而且可以缩小第一过滤组20和壳体10的体积，提升空间利用效率。
而且，利用壳体10内壁、第一过滤组20的内壁、第一过滤组20的外壁、内管30的内壁、内管30的外壁和第二过滤组40的外壁配合限定出第一净水腔51、第二净水腔54、自来水腔53和纯水腔52，结构简单，容易实现，有利于简化复合滤芯组件100的结构设计，而且可以降低复合滤芯组件100的生产成本。
如图4所示，在本申请一些实施例中，第一过滤组20包括：中心管21、反渗透滤膜22和环形内盖23，中心管21沿壳体10的轴向延伸，中心管21的上端敞开限定出内置滤材安装腔，内管30设在中心管21内，纯水腔52限定在中心管21的内壁与内管30的外壁之间，反渗透滤膜22套设在中心管21上并沿中心管21的轴向延伸。环形内盖23套设在中心管21上，且环形内盖23的内周沿与内管30的上沿密封抵接，环形内盖23的下表面与反渗透滤膜22的上端面密封配合。
进一步地，如图9-图11所示，环形内盖23上设有废水口232，环形内盖23内限定有下表面敞开的废水槽，废水槽沿环形内盖23的周向延伸，反渗透滤膜22的上端面与环形内盖23配合封闭废水槽形成废水腔231，环形内盖23内限定有连通废水腔231与废水出口115的废水通道。
反渗透滤芯在过滤过程中分离出废水，通过设置废水口232、废水腔231和废水通 道可以引导废水排出。将废水腔231限定在环形内盖23上，可以防止废水串入第一净水腔51、纯水腔52、自来水腔53和第二净水腔54，进而可以提升过滤出的水流质量。而且反渗透滤芯的废水从反渗透滤芯的端部排出，将废水腔231限定在环形内盖23上，可以为废水进入废水腔231提供方便，而且结构简单，消除了反渗透滤芯与废水腔231之间的导流通道，简化了复合滤芯组件100的结构设计和水路设计。
其中，壳体10的顶部设有连通废水口232的废水出口115，废水腔231中的废水通过废水出口115排出，废水出口115上设有废水阀，废水阀与壳体10一体成型，当废水腔231内的废水达到一定的压力时，废水阀打开，废水排出。
如图7和8所示，在本申请一些实施例中，第二过滤组40为初滤滤芯，第二过滤组40包括：支撑骨架41和初滤膜42，支撑骨架41位于内管30内并沿内管30的轴向延伸，初滤膜42套设在支撑骨架41上并沿支撑骨架41的轴向延伸，初滤膜42为聚合氯化铝材料制作而成的管状过滤件，且初滤膜42的厚度大于10mm。
其中，支撑骨架41内限定出第二净水腔54，初滤膜42外壁与内管30的内壁限定出自来水腔53，自来水通过自来水入口111进入自来水腔53，水流穿过初滤膜42并经过初滤膜42的过滤作用从支撑骨架41的内壁流出进入第二净水腔54，然后从净水出口112流出。
由于初滤膜42的过滤效果与水流穿过初滤膜42的厚度有关，因此将初滤膜42和支撑骨架41组成第二过滤组40并设在内管30内，缩小了第二过滤组40的直径，进而可以减小第二过滤组40的占用空间，而且可以减小初滤膜42的体积和生产材料，有利于降低成本。
可选地，如图5所示，支撑骨架41为管状，支撑骨架41的壁上形成有若干沿支撑骨架41的壁的厚度方向贯穿支撑骨架41的壁的孔。通过在支撑骨架41的壁上设置孔，可以促进初滤膜42内的水流穿过孔进入第二净水腔54。
如图3和8所示，在本申请一些实施例中，第二过滤组40还包括：第二内端盖43和端板44，第二内端盖43套设在支撑骨架41的上端，第二内端盖43的下表面密封抵接初滤膜42的上端面，端板44套设在支撑骨架41的下端，端板44的上表面密封抵接初滤膜42的下端面。
通过设置第二内端盖43和端板44，可以提升初滤膜42上端和下端的密闭性，防止初滤膜42内的水流从初滤膜42的上端或下端流出，不仅可以防止水流进入出水腔521，而且可以提升自来水腔53的密闭性。
如图8所示，在本申请一些实施例中，第二内端盖43的外周沿形成有向下翻折的上翻边，上翻边的内壁止抵初滤膜42的外周壁，上翻边的外壁与内管30的内壁限定有 自来水通道，水流从自来水入口111经过自来水通道进入自来水腔53。
端板44的外周沿上设有挡胶环63，挡胶环63包括：连接环631和密封环632，连接环631沿端板44的周向延伸并与端板44的外周沿相连，密封环632围绕端板44设置并沿端板44的轴向延伸，密封环632的下周沿连接连接环631的外周沿，密封环632的内周壁密封抵接初滤膜42的外周壁。
由此可以提升第二过滤组40的性能，而且可以提升自来水腔53的密闭性和可靠性，防止水流泄漏。
在本申请一些实施例中，如图3、图4、图5、图7、图8所示，还包括：第三过滤组50，第三过滤组50设在纯水腔52内，第三过滤组50将纯水腔52分割成位于第三过滤组50外的原纯水腔522和位于第三过滤组50内的出水腔521，出水腔521连通纯水出口114。
也就是说，经过第一过滤组20过滤后的纯水进入原纯水腔522，原纯水腔522内的水流穿过第三过滤组50，经过第三过滤组50的过滤作用进入出水腔521，选用中空的活性炭棒作为第三过滤组50，可以进一步滤除水体中异味、有机物、胶体、铁及余氯等。其中，第一过滤组20为反渗透滤芯，经过反渗透滤芯过滤后的水成弱酸性，且味道较差，不适宜用户直接饮用，经过活心碳滤芯的过滤作用，可以进一步提升纯水的质量，提升了饮用水的口感。
而且，将第三过滤组50设在纯水腔52内，可以进一步提升复合滤芯组件100的复合程度，提升了复合滤芯组件100对水流的过滤作用，而且相对于单独设置第三过滤组50而言，不仅可以简化复合滤芯组件100的水流设计，还能减小复合滤芯组件100的体积。
如图8所示，在本申请一些实施例中，第三过滤组50与内管30沿第一过滤组20的轴向排列，也就是说，第一过滤组20内限定有沿第一过滤组20的轴向延伸的内置滤材安装腔，内管30的轴向长度与第三过滤组50的轴向长度之和小于等于内置滤材安装腔的轴向长度，第三过滤组50设在内置滤材安装腔的底部，内管30设在第三过滤组50的顶部。
沿第一过滤组20内部的内置滤材安装腔轴向排列的第三过滤组50与内管30，可以充分利用内置滤材安装腔的空间，有利于缩小内置滤材安装腔的内径，进而可以缩小第一过滤组20的直径和体积，而且上述结构的第三过滤组50与内管30结构简单，装配方便。
在本申请一些实施例中，如图3、图4和8所示，复合滤芯组件100还包括出水管60，出水管60沿内管30的轴向贯穿内管30，出水管60插接在支撑骨架41内，出水 管60的一端(如图8所示的下端)连通出水腔521，出水管60的另一端(如图8所示的上端)连通纯水出口114，支撑骨架41的内壁与出水管60的外壁之间限定出第二净水腔54。
在本申请一些实施例中，纯水出口114位于内管30的上方，出水腔521位于第三过滤组50内且位于内管30的下方，通过设置出水管60，可以为出水腔521内的水流从纯水出口114流出提供方便，而且出水管60的结构简单，容易实现。
在本申请一些实施例中，如图13、图14所示，中心管21包括：围板211和下盖板212，围板211形成为两端敞开的筒状，反渗透滤膜22套设在围板211，下盖板212设在围板211内且位于围板211的下部，下盖板212封闭围板211的下端敞口并与围板211配合限定出内置滤材安装腔，第三过滤组50的下端止抵在下端盖的上表面。也就是说，中心管21形成为上端敞开下端封闭的筒状，围板211的内壁、下端盖的上表面与内管30的外表面配合限定出纯水腔52。
中心管21的壁上形成有纯水通孔2111，纯水通孔2111沿中心管21的壁的厚度方向贯穿中心管21的壁，水流从反渗透滤膜22的下端进入反渗透滤膜22，反渗透滤膜22将水流过滤分成废水和纯水，废水从反渗透滤膜22的上端流出并通过废水腔231和废水出口115排出。纯水从反渗透滤膜22的内壁流出并通过纯水通孔2111进入纯水腔52，并通过纯水出口114排出供用户饮用。
如图12所示，围板211的外周壁上形成有连通纯水通孔2111的导水槽2112，导水槽2112相对于围板211的外周壁向内凹陷，反渗透滤膜22过滤后的水流通过导水槽2112流入纯水通孔2111，进而汇集在滤材安装腔内，然后导出。
由于反渗透滤膜22绕设在围板211上，通过在围板211上设置导水槽2112，可以增加反渗透滤膜22中导出水流的流动效率，增加反渗透滤膜22的出水效率，进而可以提升反渗透滤芯组件的净水效率。
如图12所示，导水槽2112沿围板211的周向延伸，也就是说导水槽2112形成为沿围板211周向延伸的环形，纯水通孔2111设在导水槽2112内，由此可以进一步增加导水槽2112的长度，进一步提升了反渗透滤膜22的出水效率，而且可以保证反渗透滤膜22在周向上出水效率均匀，防止局部出水受阻影响反渗透滤膜22的净水效率。
上述结构的中心管21，下端封闭，可以防止纯水水流从纯水腔52的下端泄漏，反渗透滤芯装配过程中，只需要注意中心管21上端的密闭性即可。下端封闭的结构，以及轴向设置的内管30和第三过滤组50的结构，使得内管30可拆卸地设在内置滤材安装腔内，即只要将内管30和第三过滤组50一起从下盖板212的支撑台213上拆出或装 上则可。
如图13和14所示，在本申请一些实施例中，围板211的内壁形成有沿围板211的径向向内凸出的支撑台213，支撑台213具有上表面，内管30的下端止抵在支撑台213的上表面上，第三过滤组50设在内管30的下方，位于支撑台213的内侧。
通过在围板211上设置与内管30配合的支撑台213，可以为内管30的装配提供方便，支撑台213对内管30的支撑作用可以提升内管30的装配稳定性，而且可以降低内管30对第三过滤组50的挤压作用，防止内管30压力过大对第三过滤组50造成损坏，有利于延长第三过滤组50的使用寿命。
可选地，如图13所示，支撑台213沿围板211的周向延伸，也就是说，支撑台213形成为沿围板211的周向延伸的环形，支撑台213也可以沿围板211的轴向延伸形成为管状，支撑台213的下端止抵中心管21的下端盖的上表面，第三过滤组50设在支撑台213内。
管状支撑台213可以提升内管30的受力均匀性，防止内管30局部受力不均匀损坏或倾斜。其中，支撑台213、围板211与下端盖一体成型，也就是说中心管21是一体成型件，一体成型的中心管21可以提升支撑台213、围板211与下端盖之间的连接稳定性和连接强度，进而可以提升中心管21的功能稳定性和可靠性，而且可以消除支撑台213、围板211与下端盖之间的连接机构，提升了中心管21和复合滤芯组件100的装配效率，而且一体成型的中心管21的强度大，使用寿命较长。
在本申请一些实施例中，如图6所示，壳体10包括：筒体11和下盖12，筒体11的底部敞开，第一过滤组20设在筒体11内，自来水入口111、净水出口112、净水入口113和纯水出口114均设在筒体11的顶部，下盖12与筒体11相连以封闭筒体11的敞开口，且下盖12的上表面与第一过滤组20的下端面密封抵接。
其中，壳体10上还设有四个转接头13，四个转接头13一一对应地插接在自来水入口111、净水出口112、净水入口113和纯水出口114内，通过设置转接头13为复合滤芯组件100装配水路提供了方便，而且提升了水路的密闭性。
如图15所示，废水出口115处设有废水塞14，废水塞114插接在废水出口115内，废水塞14对废水腔231内的水产生一定的阻力，当废水腔231内的水压达到预定压力值时，废水塞14导通，废水从废水腔231排出。
在本申请一些实施例中，废水塞14包括：套管和多个毛细管，套管插接在废水出口115内并与壳体10相连，毛细管设在套管的内壁上并沿套管的径向向内延伸。
毛细管的数量较多，多个毛细管沿套管的周向排列形成毛细管组，多个毛细管组沿 套管的轴向充满在套管内。上述结构的废水塞14，结构简单，容易制作，而且可以有效提升反渗透滤芯的净水效果。
在本申请一些实施例中，如图15所示，套管包括：插接段141和导向段142，插接段141的一端插接在废水出口115内，插接段141沿废水出口115的轴向延伸，导向段142连通插接段141的另一端。插接段141和导向段142内均设有毛细管，也可以仅在插接段141或导向段142内设置毛细管。
上述结构的套管不仅可以增加废水腔231的水压，而且插接段141插接在废水出口115内，稳定性和密闭性较好，导向段142适于连通废水出口1115与废水排水管，其中，导向段142垂直于插接段141，方便废水排水管连接导向段142，可以为废水排放提供方便。
其中，壳体10上还设有装饰盖15，装饰盖15罩设在筒体11的顶部，自来水入口111、净水出口112、净水入口113、纯水出口114和废水出口115均罩设在装饰盖15内，由此提升了复合滤芯组件100的外观整齐性。
复合滤芯组件100在装配过程中，先将反渗透滤膜22绕设在中心管21上，然后将第三过滤组50设在内置滤材安装腔内，然后将内管30装配在内置滤材安装腔内，内管30的下端止抵第三过滤组50，然后将出水管60插接在内管30内，之后将第二过滤组40套设在出水管60上，最后将环形内盖23罩设在中心管21上，出水管60和第二内端盖43从环形内盖23的中部伸出。然后将第一过滤组20插接在筒体11内，筒体11内腔的顶壁上设有第一水道、第二水道、第三水道、第四水道和第五水道，第一水道连通纯水出口114和出水管60，第二水道的一端连通自来水入口111，另一端连通第二内端盖43的外周壁与环形内盖23内周壁之间的通道；第三水道的一端连通净水出口112，另一端连通第二内端盖43的内周壁与出水管60的外周壁之间的通道，第四水道的一端连通净水入口113，另一端连通反渗透滤膜22的外周壁与筒体11内周壁之间的通道，第五水道连通废水出口115和废水口232。
在本申请一些实施例中，第一过滤组20的中心轴线、第二过滤组40的中心轴线、内管30的中心轴线、出水管60的中心轴线与壳体10的中心轴线重合。也就是说，出水管60，第二过滤组40、内管30、第一过滤组20和壳体10依次嵌套设置，由此可以减小出水管60、第二过滤组40、内管30和第一过滤组20的占用空间，提升了复合滤芯组件100内部空间的利用效率，进而可以缩小壳体10的体积，为复合滤芯组件100的使用和装配提供了方便。
下面参考图9-图11，图27-图30描述根据本申请实施例的第二方面的复合滤芯组 件100。本申请第一方面实施例的复合滤芯组件100中的壳体10、筒体11、净水出口112、净水入口113、纯水出口114、下盖12、转接头13、第一过滤组20、中心管21、反渗透膜22、环形内盖23、内管30、第二过滤组40、第三过滤组50、出水管60等具体结构均适用于本申请第二方面实施例的复合滤芯组件100，但本申请第二方面实施例的复合滤芯组件100可省去上述部分结构(如提手16、固定结构17、装饰盖15等)，具体描述如下。
结合图27和图29所示，根据本申请实施例的复合滤芯组件100包括：壳体10、第一过滤组20、第二过滤组40和出水管60。
壳体10上设有纯水出口114，第一过滤组20设在壳体10内，第一过滤组20内限定有内置滤材安装腔，第二过滤组40设在第一过滤组20内且位于纯水出口114与内置滤材安装腔之间，出水管60贯穿第二过滤组40连通纯水出口114和内置滤材安装腔。
例如，纯水出口114可以设在壳体10的顶部，内置滤材安装腔设在第二过滤组40的下方，通过设置一个贯穿第一过滤组20的出水管60，上端连通纯水出口114下端连通内置滤材安装腔，可以为内置滤材安装腔内的水流导出提供方便，而且可以简化复合滤芯组件100内的水路设计。
由此，根据本申请实施例的复合滤芯组件100，一方面，将第一过滤组20和第二过滤组40嵌套设置，可以充分利用第一过滤组20内的空间，节省了第一过滤组20和第二过滤组40的占用空间；另一方面，利用出水管60连通内置滤材安装腔和纯水出口114，可以简化复合滤芯组件100的水路设计，能够为复合滤芯组件100的装配提供方便。
如图29所示，根据本申请的一个实施例，出水管60包括：导管61和端板44。导管61沿第二过滤组40的轴向贯穿第二过滤组40并连通纯水出口114和内置滤材安装腔，也就是说，第二过滤组40套设在导管61上。端板44套设在导管61上，第二过滤组40的下端面密封止抵端板44的上表面。
水流从第二过滤组40的外周壁进入第二过滤组40并从第二过滤组40的内周壁流出，第二过滤组40的内周壁与导管61的外周壁配合限定出通道供过滤后的水流出。
通过在导管61上设置端板44，利用端板44与第二过滤组40配合防止供过滤后水流出的通道漏水，提升了复合滤芯组件100的密闭性。而且导管61和端板44的结构简单，容易制作，生产成本较低。
在本实施例中，端板44的外周沿形成有向上弯折的翻边，翻边沿端板44的周向延伸，且翻边的内周壁密封抵接第二过滤组40的外周壁。通过在端板44上设置翻边，可以进一步提升端板44与第二过滤组40的密闭性，防止第二过滤组40外的水流从第二 过滤组40与端板44之间的间隙进入第二过滤组40的内侧，进而提升了复合滤芯组件100的性能。
如图28和图30所示，在一些具体实施例中，出水管60还包括：挡胶环63，挡胶环63套设在端板44上，挡胶环63包括：连接环631和密封环632，连接环631沿端板44的周向延伸并与端板44的外周沿相连，密封环632围绕端板44设置并沿端板44的轴向延伸，密封环632的下周沿连接连接环631的外周沿，密封环632的内周壁密封抵接在第二过滤组40的外周壁和内管30的内周壁之间。
在本实施例中，导管61与端板44一体成型，由此可以提升导管61与端板44之间的连接强度和连接稳定性，而且可以提升导管61与端板44之间的密闭效果，防止水流从端板44与导管61之间的间隙泄漏。再者，消除了导管61与端板44之间的连接结构，提升了出水管60的装配效率，还能延长出水管60的使用寿命。
如图28所示，根据本申请的一个实施例，第二过滤组40包括：支撑骨架41、初滤膜42和第二内端盖43，支撑骨架41套设在导管61上并沿导管61的轴向延伸，初滤膜42套设在支撑骨架41上并沿支撑骨架41的轴向延伸，第二内端盖43套设在导管61上，第二内端盖43的下表面密封抵接初滤膜42的上端面。
第二过滤组40为PAC滤芯，初滤膜42为聚合氯化铝材料制作而成的管状过滤件，且初滤膜42的厚度大于10mm。
在本申请一些示例中，第二过滤组40为由无纺布、聚丙烯层、碳纤维卷制而成的卷筒，使用寿命较长。当用于自来水的过滤时，可初步去除泥沙、铁锈及余氯。当然，第二过滤组40也可以仅由其中一种或两种材料的滤层卷制而成，这里不做具体限制。
由于初滤膜42的过滤效果与水流穿过初滤膜42的厚度有关，因此将初滤膜42和支撑骨架41组成第二过滤组40并设在第一过滤组20内，缩小了第二过滤组40的直径，进而可以减小第二过滤组40的占用空间，而且可以减小初滤膜42的体积和生产材料，有利于降低成本。将支撑骨架41套设在导管61可以充分利用支撑骨架41的内部空间，进而可以减小出水管60和第二过滤组40共同的占用空间。
第二内端盖43形成为环形套设在导管61上，第二内端盖43的下表面密封抵接第二过滤组40的上端面，第二内端盖43的内周沿与导管61的外壁限定出连通第一净水腔和净水出口112的出水流道。通过设置上盖板，可以提升初滤膜42上端的密闭性，防止水流从初滤膜42的上端进入第一净水腔。
进一步地，壳体10上设有净水出口112，支撑骨架41的内壁、导管61的外壁与端板44的上表面限定出连通净水出口112的第一净水腔。也就是说，第一净水腔引导第二过滤组40过滤后的水流出。
如图28所示，支撑骨架41的壁上形成有若干沿支撑骨架41的壁的厚度方向贯穿支撑骨架41的壁的孔，通过在支撑骨架41上设置贯穿支撑骨架41的壁的孔，可以为第二过滤组40中的水流出第二过滤组40提供方便，而且可以降低第二过滤组40的水流阻力。
如图28所示，在本实施例中，第一过滤组20包括：中心管21、反渗透滤膜22和环形内盖23，中心管21沿壳体10的轴向延伸，内置滤材安装腔和第二过滤组40均设在中心管21内。具体而言，中心管21的上端敞开，中心管21的内腔的下部形成为内置滤材安装腔，中心管21内腔的上部形成为内置滤材安装腔，第二过滤组40设在内置滤材安装腔内。
其中，中心管21的壁上形成有纯水通孔，纯水通孔沿中心管21的壁的厚度方向贯穿中心管21的壁，水流从反渗透滤膜22的下端进入反渗透滤膜22，反渗透滤膜22将水流过滤分成废水和纯水，废水从反渗透滤膜22的上端流出并通过废水腔231和废水出口115排出。纯水从反渗透滤膜22的内壁流出并通过纯水通孔进入内置滤材安装腔，并通过纯水出口114排出供用户饮用。
进一步地，如图9-图11所示，环形内盖23上设有废水口232，环形内盖23内限定有下表面敞开的废水槽，废水槽沿环形内盖23的周向延伸，反渗透滤膜22的上端面与环形内盖23配合封闭废水槽形成废水腔231，环形内盖23内限定有连通废水腔231与废水出口115的废水通道。
第一过滤组20(RO滤芯)在过滤过程中分离出废水，通过设置废水口232、废水腔231和废水通道可以引导废水排出。将废水腔231限定在环形内盖23上，可以防止废水串流，可以提升过滤出的水流质量。而且第一过滤组20的废水从第一过滤组20的端部排出，将废水腔231限定在环形内盖23上，可以为废水进入废水腔231提供方便，而且结构简单，消除了第一过滤组20与废水腔231之间的导流通道，简化了复合滤芯组件100的结构设计和水路设计。
其中，壳体10的顶部设有连通废水口232的废水出口115，废水腔231中的废水通过废水出口115排出，废水出口115上设有废水阀，废水阀与壳体10一体成型，当废水腔231内的废水达到一定的压力时，废水阀打开，废水排出。
在本实施例中，复合滤芯组件100还包括：内管30，内管30设在中心管21内，第二过滤组40和出水管60设在内管30内，内管30邻近内置滤材安装腔的一端设有连通内置滤材安装腔和出水管60的通孔。其中，内管30包括：围板和下盖板，围板形成为套设在第二过滤组40上的管状，围板的上端敞开，围板的上端沿与中心管21的内壁密封相连。下盖板连接在围板的下端并封闭围板的下端，出水管60的下端插接在下盖板 上，通孔设在下盖板上。
根据本申请的一个实施例，如图30所示，复合滤芯组件100还包括：第三过滤组50，第三过滤组50设在内置滤材安装腔内并沿内管30相连，第三过滤组50和第二过滤组40沿中心管21的轴向排列，第三过滤组50的内腔连通内管30的通孔。下盖板朝向第三过滤组50的一端限定有环形安装槽，第三过滤组50的一端插接在环形安装槽内，通过在下盖板上设置环形安装槽，不仅可以为第三过滤组50的装配提供方便，而且可以提升第三过滤组50与下盖板配合的密闭性，防止水流泄漏影响第三过滤组50的过滤效果。
也就是说，内置滤材安装腔内还设有第三过滤组50，第三过滤组50对内置滤材安装腔内的水进行过滤，第一过滤组20为反渗透过滤组，经过第一过滤组20过滤后的水成弱酸性，且味道较差，不适宜用户直接饮用，经过第三过滤组50的过滤作用，可以进一步提升纯水的质量，提升了饮用水的口感。
而且，将第三过滤组50设在内置滤材安装腔内对第一过滤组20过滤后的纯水进行再次过滤，可以进一步提升复合滤芯组件100的复合程度，提升了复合滤芯组件100对水流的过滤作用，而且相对于单独设置第三过滤组50而言，不仅可以简化复合滤芯组件100的水流设计，还能减小复合滤芯组件100的体积。
上述结构的内管30，不仅可以容纳第二过滤组40(PAC滤芯)并保证第二过滤组40正常运行，而且可以利用下盖板将第二过滤组40与第三过滤组50间隔开，防止第二过滤组40与第三过滤组50相互干扰。
在一些实施例中，第三过滤组50与内管30沿第一过滤组20的轴向排列，也就是说，第一过滤组20内限定有沿第一过滤组20的轴向延伸的滤材安装腔，内管30的轴向长度与第三过滤组50的轴向长度之和小于等于滤材安装腔的轴向长度，第三过滤组50设在滤材安装腔的底部，内管30设在第三过滤组50的顶部。
沿第一过滤组20的轴向排列的第三过滤组50与内管30，可以充分利用内置滤材安装腔的空间，有利于缩小内置滤材安装腔的内径，进而可以缩小第一过滤组20的直径和体积，而且上述结构的第三过滤组50与内管30结构简单，装配方便。
如图27所示，壳体10包括筒体11和下盖12，筒体11的底部敞开，第一过滤组20设在筒体11内，纯水出口114和废水出口115均设在筒体11的顶部，下盖12与筒体11相连以封闭筒体11的敞开口，且端板44的上表面与第一过滤组20的下端面密封抵接，纯水出口114上插接有转接头113，为复合滤芯组件100的装配提供了方便。
如图31所示，根据本申请第三方面的水处理装置1000，包括上述实施例中描述的 复合滤芯组件100，通过采用上述实施例中的复合滤芯组件100，可以缩小水处理装置1000的体积，节省占用空间，而且简化了水处理装置1000的水路设计，方便装配复合滤芯组件100。
根据本申请实施例的水处理装置1000的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。
为更好理解本申请实施例的方案，下面结合图1-图30描述本申请的两个具体实施例中的复合滤芯组件100的结构。
实施例1
下述具体实施例以净化自来水为例来讲述复合滤芯组件100的三级过滤功能，并说明复合滤芯组件100的高度集成化一体设计结构，以及复合滤芯组件100便于取放的提手16。另外，第二过滤组40以无纺布、聚丙烯层、碳纤维和支撑骨架41卷制而成的卷筒型的初级过滤件为例进行说明；第一过滤组20以反渗透滤芯作为中间过滤为例进行说明。第三过滤组50以圆筒形的中空碳棒作为终级过滤为例进行说明。
如图1-图15、图16、图18、图21、图23所示，一种复合滤芯组件100，整个复合滤芯组件1000常态下呈竖直状态装设。复合滤芯组件100包括：壳体10、第一过滤组20、内管30、第二过滤组40、第三过滤组50、固定结构17、提手16。壳体10内限定有过滤腔，第一过滤组20设在过滤腔内，且第一过滤组20内限定有一侧敞开的内置滤材安装腔。内管30可拆卸地设在内置滤材安装腔内，第二过滤组40设在内管30内。第一过滤组20的外壁与壳体10的内壁限定出连通净水入口113的第一净水腔51，第一过滤组20的内壁与内管30的外壁限定出连通纯水出口114的纯水腔52，内管30的内壁与第二过滤组40的外壁限定出连通自来水入口111的自来水腔53，第二过滤组40内限定有连通净水出口112的第二净水腔54。壳体10的上部还设有连通第一过滤组20的废水口232。
具体地，内管30、第三过滤组50沿轴向前、后布置在内置滤材安装腔中，第一过滤组20内的中心管21内部形成纯水腔52，第三过滤组50将纯水腔52分为外部的原纯水腔522，以及内部的出水腔521。出水管60的一端连通纯水出口114，出水管60的另一端沿内管30的轴向贯穿内管30后，伸出内管30并伸到第三过滤组40的支撑骨架41中，连通出水腔521。壳体10的上部靠近装饰盖15处的两端分别设有一个固定结构17。提手16总体呈弧形，且可绕过装饰盖15的上方或位于壳体10的一侧。
如图16-图26所示，提手16上设有配合结构161，配合结构161与固定结构17转动配合。配合结构161相对固定结构17在转动方向上具有第一位置和第二位置，
在第一位置时，提手16与壳体10的轴线方向垂直，配合结构161可抽插连接在固定结构17上。
在第二位置时，提手16绕到装饰盖15的上部，配合结构161在固定结构17中转动，并卡合形成防脱结构，方便人拎起提手16以将整个复合滤芯组件100提起。
整个自来水的过滤过程为，自来水从自来水入口111进入自来水腔53，并向径向内侧流动，经过第二过滤组40的过滤作用进入第二净水腔54并通过净水出口112流出。流出的净水经过增压泵的作用通过净水入口113进入第一净水腔51，第一净水腔51内的水流经过第一过滤组20的过滤作用进入原纯水腔522，原纯水腔522中的水流经第三过滤组50过滤后进入出水腔521，再从出水管60向上导流从纯水出口114流出供用户饮用。
另外，本申请的提手16的配合结构161以及壳体10上的固定结构17，也可以用在其他种类的滤芯组件上，如单个滤芯的滤芯瓶，以及复合式的滤芯组件，不局限于本申请提到的复合滤芯组件100。
实施例2
下述具体实施例以净化自来水为例来讲述复合滤芯组件100的三级过滤功能，并说明复合滤芯组件100的高度集成化一体设计结构和简化的水路设计。另外，第二过滤组40以无纺布、聚丙烯层、碳纤维和支撑骨架41卷制而成的卷筒型的初级过滤件为例进行说明。第一过滤组20以反渗透滤芯作为中间过滤为例进行说明。第三过滤组50以圆筒形的中空碳棒作为终级过滤为例进行说明。
一种复合滤芯组件100，如图9-图11，图27-图30所示，整个复合滤芯组件1000常态下呈竖直状态装设。复合滤芯组件100包括：壳体10、第一过滤组20、内管30、第二过滤组40、第三过滤组50、出水管60。
如图27所示，壳体10的顶部设有纯水出口114和废水出口115。壳体10包括筒体11和下盖12，筒体11的底部敞开，如图29所示，第一过滤组20设在壳体10内，第一过滤组20内限定有内置滤材安装腔，第二过滤组40设在第一过滤组20内且位于纯水出口114与内置滤材安装腔之间，出水管60贯穿第二过滤组40连通纯水出口114和内置滤材安装腔。
如图29所示，出水管60包括：导管61、端板44、挡胶环63。导管61与端板44一体成型。导管61沿第二过滤组40的轴向贯穿第二过滤组40并连通纯水出口114和内置滤材安装腔，端板44套设在导管61上，第二过滤组40的下端面密封止抵端板44的上表面。如图30所示，挡胶环63套设在端板44上，挡胶环63包括：连接环631 和密封环632，连接环631沿端板44的周向延伸并与端板44的外周沿相连，密封环632围绕端板44设置并沿端板44的轴向延伸，密封环632的下周沿连接连接环631的外周沿，密封环632的内周壁密封抵接在第二过滤组40的外周壁和内管30的内周壁之间。
如图28所示，第二过滤组40包括：支撑骨架41、初滤膜42和第二内端盖43，支撑骨架41套设在导管61上并沿导管61的轴向延伸，初滤膜42套设在支撑骨架41上并沿支撑骨架41的轴向延伸，第二内端盖43套设在导管61上，第二内端盖43的下表面密封抵接初滤膜42的上端面。第二内端盖43形成为环形套设在导管61上，第二内端盖43的下表面密封抵接第二过滤组40的上端面，第二内端盖43的内周沿与导管61的外壁限定出连通第一净水腔和净水出口的出水流道。
如图29所示，第一过滤组20包括：中心管21、反渗透滤膜22和环形内盖23，中心管21沿壳体10的轴向延伸，内置滤材安装腔和第二过滤组40均设在中心管21内。中心管21的壁上形成有纯水通孔，纯水通孔沿中心管21的壁的厚度方向贯穿中心管21的壁，水流从反渗透滤膜22的下端进入反渗透滤膜22，反渗透滤膜22将水流过滤分成废水和纯水，废水从反渗透滤膜22的上端流出并通过废水腔231和废水出口115排出。纯水从反渗透滤膜22的内壁流出并通过纯水通孔进入内置滤材安装腔，并通过纯水出口114排出供用户饮用。如图9-图11所示，环形内盖23上设有废水口232，环形内盖23内限定有下表面敞开的废水槽，废水槽沿环形内盖23的周向延伸，反渗透滤膜22的上端面与环形内盖23配合封闭废水槽形成废水腔231，环形内盖23内限定有连通废水腔231与废水出口115的废水通道。
如图29所示，内管30设在中心管21内，第二过滤组40和出水管60设在内管30内，内管30邻近内置滤材安装腔的一端设有连通内置滤材安装腔和出水管60的通孔。其中，内管30包括：围板和下盖板，围板形成为套设在第二过滤组40上的管状，围板的上端敞开，围板的上端沿与中心管21的内壁密封相连。下盖板连接在围板的下端并封闭围板的下端，出水管60的下端插接在下盖板上，通孔设在下盖板上。
如图29所示，第三过滤组50设在内置滤材安装腔内并与内管30相连，第三过滤组50和第二过滤组40沿中心管21的轴向排列，第三过滤组50的内腔连通内管30的通孔。下盖板朝向第三过滤组50的一端限定有环形安装槽，第三过滤组50的一端插接在环形安装槽内。
在本申请的描述中，需要理解的是，术语“中心”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“竖直”、“顶”、“底”、“内”、“外”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是 为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
图3中显示了三个过滤组用于示例说明的目的，但是普通技术人员在阅读了上面的技术方案之后、显然可以理解将该方案应用到两个或者更多个过滤组的技术方案中，这也落入本实用新型的保护范围之内。
根据本申请实施例的复合滤芯组件100和具有其的水处理装置1000的其他构成例如反渗透滤芯的具体结构和过滤原理对于本领域普通技术人员而言都是已知的，这里不再详细描述。
在本说明书的描述中，参考术语“实施例”、“示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (24)

  1. 一种复合滤芯组件，其特征在于，包括：
    壳体；
    第一过滤组，所述第一过滤组设在所述壳体内，且所述第一过滤组内限定有内置滤材安装腔；
    内管，所述内管可拆卸地设在所述内置滤材安装腔内；
    第二过滤组，所述第二过滤组设在所述内管内；
    固定结构，所述固定结构设在所述壳体上；
    提手，所述提手上设有配合结构，所述配合结构可与所述固定结构转动配合，所述配合结构相对所述固定结构在转动方向上具有第一位置和第二位置，在第一位置时所述配合结构可抽插连接在所述固定结构上，在第二位置时所述配合结构与所述固定结构卡合形成防脱结构。
  2. 根据权利要求1所述的复合滤芯组件，其特征在于，所述配合结构为第一插接结构，所述第一插接结构包括端部敞口的轴套，所述轴套的内壁上设有导向槽，所述导向槽在所述轴套敞口的一端敞开，所述轴套上在所述导向槽的一侧开有卡孔；
    所述固定结构包括导向柱和连接在所述导向柱的周壁上的限位柱；其中，
    在第一位置时，所述导向柱可插入所述轴套同时所述限位柱可插入所述导向槽，在第二位置时所述限位柱卡接在所述卡孔中。
  3. 根据权利要求2所述的复合滤芯组件，其特征在于，所述导向槽沿所述轴套的轴向延伸，或者所述导向槽在从端部到所述卡孔的方向上螺旋延伸。
  4. 根据权利要求2或3所述的复合滤芯组件，其特征在于，所述导向槽和所述卡孔均在所述轴套的厚度方向上贯通所述轴套。
  5. 根据权利要求1-4中任一项所述的复合滤芯组件，其特征在于，所述配合结构为第二插接结构，所述第二插接结构包括插柱，所述插柱的端部设有卡块以使所述插柱的端部为非圆形；
    所述固定结构内限定出凹槽，所述凹槽的端部具有缩口，所述缩口形成为与所述插柱的端部相适配的非圆形；且，
    在第一位置时，所述插柱可通过所述缩口插入所述凹槽内，在第二位置时所述卡块卡在所述缩口的内侧。
  6. 根据权利要求5所述的复合滤芯组件，其特征在于，所述插柱上设有同轴设置的插孔，所述凹槽内设有连接柱，所述连接柱插在所述插孔内。
  7. 根据权利要求5或6所述的复合滤芯组件，其特征在于，所述插柱的端部的外轮廓形状是一半为半圆形、另一半为半椭圆形，所述凹槽的缩口的形状是一半为半圆形、另一半为半椭圆形。
  8. 根据权利要求1-7中任一项所述的复合滤芯组件，其特征在于，所述壳体的端部设有自来水入口、净水出口、净水入口和纯水出口；
    所述第一过滤组的外壁与所述壳体的内壁限定出连通所述净水入口的第一净水腔；
    所述第一过滤组的内壁与所述内管的外壁限定出连通所述纯水出口的纯水腔；
    所述内管的内壁与所述第二过滤组的外壁限定出连通所述自来水入口的自来水腔；
    所述第二过滤组内限定有连通所述净水出口的第二净水腔。
  9. 根据权利要求1-8中任一项所述的复合滤芯组件，其特征在于，所述第一过滤组包括：
    中心管，所述内置滤材安装腔设在所述中心管内，所述中心管的壁上形成有纯水通孔；
    反渗透滤膜，所述反渗透滤膜套设在所述中心管上；
    环形内盖，所述环形内盖套设在所述中心管上，所述环形内盖的内周沿与所述内管的上端沿相连，且所述环形内盖的下端面与所述反渗透滤膜的上端面止抵。
  10. 根据权利要求9所述的复合滤芯组件，其特征在于，所述环形内盖内限定有向下敞开的废水槽，所述反渗透滤膜的上端面与所述环形内盖配合封闭所述废水槽形成废水腔，所述内盖顶部设有连通所述废水腔的废水口，所述壳体的顶部设有连通所述废水口的废水出口。
  11. 根据权利要求8所述的复合滤芯组件，其特征在于，还包括：
    第三过滤组，所述第三过滤组设在所述纯水腔内，所述第三过滤组与所述内管沿所述第一过滤组的轴向排列；所述第三过滤组将所述纯水腔分割成位于所述第三过滤组外的原纯水腔和位于所述第三过滤组内的出水腔，所述出水腔连通所述纯水出口。
  12. 根据权利要求11所述的复合滤芯组件，其特征在于，还包括：
    出水管，所述出水管沿所述内管的轴向贯穿所述内管，所述出水管的一端连通所述出水腔，所述出水管的另一端连通所述纯水出口。
  13. 一种复合滤芯组件，其特征在于，包括：
    壳体，所述壳体上设有纯水出口；
    第一过滤组，所述第一过滤组设在所述壳体内，所述第一过滤组内限定有内置滤材安装腔；
    第二过滤组，所述第二过滤组设在所述第一过滤组内且位于所述纯水出口与所述内 置滤材安装腔之间；
    出水管，所述出水管贯穿所述第二过滤组连通所述纯水出口和所述内置滤材安装腔。
  14. 根据权利要求13所述的复合滤芯组件，其特征在于，所述出水管包括：
    导管，所述导管连通所述纯水出口和所述内置滤材安装腔，所述第二过滤组套设在所述导管上；
    端板，所述端板套设在所述导管上，所述第二过滤组的下端面密封抵接所述端板的上表面。
  15. 根据权利要求14所述的复合滤芯组件，其特征在于，所述端板的外周沿形成有向上弯折的翻边，所述翻边沿所述端板的周向延伸，且所述翻边的内周壁密封抵接所述第二过滤组的外周壁。
  16. 根据权利要求14或15所述的复合滤芯组件，其特征在于，所述出水管还包括：挡胶环，所述挡胶环套设在所述端板上，所述挡胶环包括：
    连接环，所述连接环沿所述端板的周向延伸并与所述端板的外周沿相连；
    密封环，所述密封环围绕所述端板设置并沿所述端板的轴向延伸，所述密封环的下周沿连接所述连接环的外周沿，所述密封环的内周壁密封抵接所述第二过滤组的外周壁。
  17. 根据权利要求14或15或16所述的复合滤芯组件，其特征在于，所述导管与所述端板一体成型。
  18. 根据权利要求14-17中任一项所述的复合滤芯组件，其特征在于，所述第二过滤组包括：
    支撑骨架，所述支撑骨架套设在所述导管上并沿所述导管的轴向延伸；
    初滤膜，所述初滤膜套设在所述支撑骨架上并沿所述支撑骨架的轴向延伸；
    第二内端盖，所述第二内端盖套设在所述导管上，所述第二内端盖的下表面密封抵接所述初滤膜的上端面。
  19. 根据权利要求13-18中任一项所述的复合滤芯组件，其特征在于，所述第一过滤组包括：
    中心管，所述内置滤材安装腔和所述第二过滤组均设在所述中心管内，所述中心管的壁上形成有纯水通孔；
    反渗透滤膜，所述反渗透滤膜套设在所述中心管上；
    环形内盖，所述环形内盖套设在所述中心管上，所述环形内盖的下端面与所述反渗透滤膜的上端面止抵。
  20. 根据权利要求19所述的复合滤芯组件，其特征在于，还包括：
    内管，所述内管设在所述中心管内，所述内管的上沿与所述中心管的内周壁密封抵接，所述第二过滤组和所述出水管设在所述内管内，所述内管邻近所述内置滤材安装腔的一端设有连通所述内置滤材安装腔和所述出水管的通孔。
  21. 根据权利要求20所述的复合滤芯组件，其特征在于，还包括：
    第三过滤组，所述第三过滤组设在所述内置滤材安装腔内并沿所述内管相连，所述第三过滤组的内腔连通所述通孔。
  22. 根据权利要求21所述的复合滤芯组件，其特征在于，所述内管邻近所述第三过滤组的一端限定有环形安装槽，所述第三过滤组的一端插接在所述环形安装槽内。
  23. 根据权利要求13-22中任一项所述的复合滤芯组件，其特征在于，所述壳体包括：
    筒体，所述筒体的底部敞开，所述第一过滤组设在所述筒体内，所述纯水出口均设在所述筒体的顶部；
    下盖，所述下盖与所述筒体相连以封闭所述筒体的敞开口，且所述下盖的上表面与所述第一过滤组的下端面密封抵接。
  24. 一种水处理装置，其特征在于，包括根据权利要求1-23中任一项所述的复合滤芯组件。
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