CN208839383U - Nanofiltration type filter core - Google Patents
Nanofiltration type filter core Download PDFInfo
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- CN208839383U CN208839383U CN201821339945.6U CN201821339945U CN208839383U CN 208839383 U CN208839383 U CN 208839383U CN 201821339945 U CN201821339945 U CN 201821339945U CN 208839383 U CN208839383 U CN 208839383U
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- pure water
- water
- sealing element
- cover
- filter core
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Abstract
A kind of nanofiltration type filter core, the attachment base of lid is equipped with including filtering body and one end, the filtering body includes cartridge filter, cover, nanofiltration membrane and the central tube that one end is equipped with opening, the central tube is located in the cartridge filter, the nanofiltration membrane is wound on the central tube, the cover is connected with the open end of the cartridge filter, the attachment base is connected with the cover, the attachment base is equipped with intake tunnel, pure water channel and waste water tunnel, and the structure for sealing or opening first water check valve in the pure water channel is equipped in the pure water channel.Non-return valve is integrated on filter core by the utility model, reduces complete machine installation procedure, has the advantages of compact-sized, to reduce cost.
Description
Technical field
The utility model relates to filter element of water purifier technical fields, more particularly, to a kind of nanofiltration type filter core.
Background technique
With the development of science and technology, water purifier has slowly come into the family of users, water purifier refers to all for purifying
Such as the raw water of tap water, so that raw water is suitble to drink.
Water purifier is equipped at least one filter core, a pure water storage tank is generally also connected in the pure water outlet of filter core, more
When changing the filtering body of filter core, since pure water storage tank and pure water channel are likely to form intercommunication and pure water is caused to flow back, leads to pure water
Outflow causes ground moist, makes troubles to user.Traditional water-stopping method is one non-return valve of installation, this knot outside filter core
The process of the more installation non-return valves together of structure improves cost.
Utility model content
In order to overcome the above problem, the utility model provides a kind of reduction complete machine installation procedure to society, compact-sized, drop
The nanofiltration type filter core of low cost.
The technical solution of the utility model is: providing a kind of nanofiltration type filter core, is equipped with lid including filtering body and one end
Attachment base, the filtering body include cartridge filter, cover, nanofiltration membrane and the central tube that one end is equipped with opening, and the central tube is located at
In the cartridge filter, the nanofiltration membrane is wound on the central tube, and the cover is connected with the open end of the cartridge filter, described
Attachment base is connected with the cover, and the attachment base is equipped with intake tunnel, pure water channel and waste water tunnel, the pure water channel
It is interior to be equipped with for sealing or opening first water check valve of pure water channel.
As the improvement to the utility model, first water check valve includes the first spool and the first spring, in the lid
Son is equipped with the pillar with clearance position, and one end of first spool is inserted into the clearance position, and the other end is the first free end,
First spring is set on first spool, and one end is connected with the pillar, and the other end and first free end connect
It connects, the first sealing ring is equipped on first free end, first spool is moved along the clearance position, seals or open institute
State pure water channel.
As the improvement to the utility model, pure water sealing element, the pure water channel and described are equipped in the cover
Central tube is connected to by pure water sealing element.
As the improvement to the utility model, the second water check valve, second sealing are equipped in the pure water sealing element
Valve includes fixing piece, the second spool and second spring, and the fixing piece is connected with the open end of the central tube, second bullet
Spring is located between the fixing piece and the second spool, and second spool one end and the attachment base far from second spring are supported
It connects, the second sealing ring is equipped on second spool, second water check valve is opened or sealing pure water sealing element.
As the improvement to the utility model, outside the pure water sealing element, it is arranged with waste water sealing element, the pure water is close
Waste water chamber is formed between sealing and the waste water sealing element, the waste water chamber and the waste water tunnel are by being located at the cylinder
What the apopore covered communicated.
As the improvement to the utility model, the intake tunnel is inlet opening by being located on cover and described receives
What filter membrane communicated.
As the improvement to the utility model, third water check valve and the 4th water check valve are additionally provided in the attachment base, it is described
Third water check valve is arranged in the intake tunnel, and the 4th water check valve is arranged in the waste water tunnel.
As the improvement to the utility model, water inlet anti-leak seal and waste water anti-leak seal are equipped in the cover,
The water inlet anti-leak seal includes fixing end and the second free end, and the fixing end is connected with the cover, and described second certainly
It is located at the lower section of inlet opening, the relatively fixed end motion in second free end by holding；The waste water anti-leak seal is set in pure
On watertight seal.
As the improvement to the utility model, the waste water anti-leak seal includes moving member, third spring and is located at institute
The third sealing ring on moving member is stated, the moving member and third spring are set on the pure water sealing element, the third bullet
One end of spring is connected with the moving member, and the ring-shaped step being arranged on the other end and the pure water sealing element connects.
As the improvement to the utility model, the is equipped between the inner wall of the attachment base on the outer wall of the cover
Four sealing rings.
The utility model is equipped with the attachment base of lid due to using including filtering body and one end, and the filtering body includes one
End is equipped with cartridge filter, cover, nanofiltration membrane and the central tube of opening, and the central tube is located in the cartridge filter, the nanofiltration membrane
It is wound on the central tube, the cover is connected with the open end of the cartridge filter, and the attachment base is connected with the cover, institute
It states attachment base and is equipped with intake tunnel, pure water channel and waste water tunnel, be equipped in the pure water channel for sealing or opening institute
State the structure of first water check valve in pure water channel；Non-return valve is integrated on filter core by the utility model, reduces complete machine installation procedure,
With compact-sized, the advantages of reducing cost.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of embodiment of the utility model.
Fig. 2 is the decomposition texture schematic diagram of embodiment illustrated in fig. 1.
Fig. 3 is a kind of the schematic diagram of the section structure in direction of embodiment illustrated in fig. 1.
Fig. 4 is the enlarged structure schematic diagram in the portion A in Fig. 3.
Specific embodiment
In the description of the present invention, it should be understood that "center" in term, "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify description, rather than the device or component of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection ", " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to dismantling connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, be also possible to indirectly connected through an intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Referring to Figure 1 to Fig. 4, revealed Fig. 1 to Fig. 4 is a kind of nanofiltration type filter core, and the nanofiltration type filter core included
Filter body 2 and one end are equipped with the attachment base 1 of lid 11, the filtering body 2 include one end be equipped with the cartridge filter 21 of opening, cover 22,
Nanofiltration membrane 23 and central tube 24, the central tube 24 are located in the cartridge filter 21, and the nanofiltration membrane 23 is wound on the central tube
On 24, the cover 22 is connected with the open end of the cartridge filter 21, and the attachment base 1 and the cover 22 connect, the company
Joint chair 1 is equipped with intake tunnel 12, pure water channel 13 and waste water tunnel 14, is equipped in the pure water channel 13 for sealing or beating
Open 13 first water check valve 15 of pure water channel；After installing, by the hydraulic pressure of filtered pure water, the first water check valve is opened,
Flow out filtered pure water by the pure water outlet 131 in pure water channel 13, when disassembled, by the hydraulic drives of pure water storage tank
First water check valve closes pure water channel, to the good pure water reflux prevented in pure water storage tank or remain in pure water
The advantages that pure water in channel flows out and causes ground moist.
Preferably, first water check valve 15 includes the first spool 151 and the first spring, 13 upper end of pure water channel
Internal diameter is big, and the internal diameter of lower end is small, and First Transition face (being in infundibulate) is equipped between the top and bottom in the pure water channel 13,
The pillar 111 with clearance position 112 is equipped on the lid 11, the clearance position 112 is inserted into one end of first spool 151
Interior, the other end is the first free end, and first spring is set on first spool 151, and one end and the pillar 111 connect
It connects, the other end is connected with first free end, and the first sealing ring 152, first valve are equipped on first free end
Core 151 is moved along the clearance position 112, seals or open the pure water channel 12；First water check valve 15 in truncated cone-shaped (i.e.
One end diameter is big, and one end diameter is small), the small one end of diameter is inserted into the clearance position 112, makes the first spool 151 by hydraulic pressure
It is moved along the clearance position 112, when first sealing ring 152 and First Transition face abutting, then closes the pure water
The pure water channel 13 is then opened when first sealing ring 152 and the transition face do not abut in channel 13.
Preferably, pure water sealing element 25 is equipped in the cover 22, the pure water channel 13 and the central tube 24 are
It is connected to by pure water sealing element 25.
Preferably, the second water check valve 26 is equipped in the pure water sealing element 25, second water check valve 26 includes fixing
Part 261, the second spool 262 and second spring, the fixing piece 261 are connected with the open end of the central tube 24, and described second
Spring is located between the fixing piece 261 and the second spool 262, second spool 262 one end and institute far from second spring
State attachment base 1 abutting, the pure water sealing element 25 close to described 1 one end of pedestal radial section than second spool 262
Greatly, the radial section close to excessively described 2 one end of filter body is smaller than second spool 262, in the pure water sealing element 25 close to institute
It states one end of pedestal 1 and is provided with the second transition face between one end of filtering body 2, be equipped on second spool 262
Second sealing ring 263, second water check valve 26 is opened or sealing pure water sealing element 25；Second water check valve 26 is in truncated cone-shaped
(i.e. one end diameter is big, and one end diameter is small) is equipped with the second sealing ring 263, the pure water sealing element at the transition face of truncated cone-shaped
It is in truncated cone-shaped in 25, after the nanofiltration type filter core installs, second water check valve 26 passes through pure water sealing element 25 and described
Pedestal abuts, and the get along well pure water sealing element 25 of second sealing ring 263 abuts, i.e. opening pure water sealing element 25, works as disassembly
When filtering body 2, support the second transition face in the second sealing ring 263 and pure water sealing element 25 under the elastic force driving of second spring
It connects, to close pure water sealing element 25.
Preferably, outside the pure water sealing element 25, it is arranged with waste water sealing element 27, the pure water sealing element 25 and described
Waste water chamber 28 is formed between waste water sealing element 27, the waste water chamber 28 and the waste water tunnel 14 are by being located at the cover
What the apopore 222 on 22 communicated.
Preferably, the intake tunnel 12 is that inlet opening 221 and the nanofiltration membrane 23 by being located on cover 22 communicate
's.
Preferably, third water check valve 16 and the 4th water check valve 17, the third water check valve 16 are additionally provided in the attachment base 1
It is arranged in the intake tunnel 12, the 4th water check valve 17 is arranged in the waste water tunnel 14, in the third water check valve 16
Portion is equipped with annular relief, and the 5th sealing ring 161 is equipped in annular relief, and the second band empty avoiding is equipped on the lid 11
One end of the pillar 113 of position 114, the third water check valve 16 is inserted into second clearance position 114, in the third water check valve
The 4th spring is arranged on 16, one end of the 4th spring and the described second pillar 113 with clearance position 114 connect, another
End is connected with the annular relief, and the third water check valve 16 passes through intake tunnel far from one end of lid 11 after installing
12 and the cover 21 abut, so that sealing ring discord intake tunnel 12 be made to abut, that is, open into the aquaporin 12, when removing
When the filtering body 2 under the action of four springs, the 5th sealing ring 161 and intake tunnel 12 are abutted, that is, it is logical to close the water
Road 11；4th water check valve 17 and the structure of the third water check valve 16 are similar with working principle, just repeat no more herein.
Preferably, be equipped with water inlet anti-leak seal 3 and waste water anti-leak seal (not identifying) in the cover 22, it is described into
Water anti-leak seal 3 includes fixing end 31 and the second free end 32, and the fixing end 31 and the cover 22 connect, and described second
Free end 32 is located at the lower section of inlet opening 221, and the relatively fixed end 31 in second free end 32 moves,；The free movement end
The inlet opening 221 is opened in 32 sealings.
Preferably, the waste water anti-leak seal (not identifying) is set on pure water sealing element 25, and the waste water leakproof is close
Sealing (not identifying) includes moving member 41, third spring and the third sealing ring 42 being located on the moving member 41, the movement
Part 41 and third spring are set on the pure water sealing element 25, and one end of the third spring and the moving member 41 connect,
The ring-shaped step being arranged on the other end and the pure water sealing element 25 connects；The waste water sealing element 27 is in the waste water chamber 28
An inclined surface (not identifying) is provided on inner surface, when the third sealing ring 42 is resisted against on the inclined surface, described
Three sealing rings 42 seal the waste water chamber 28, i.e., the described sealing moving member 41 seals the waste water chamber 28.When the third is close
Seal 42 is not against when on the inclined surface, and the third sealing ring 42 does not seal the waste water chamber 28, i.e., the described sealing
Moving member 41 opens the waste water chamber 28.
Preferably, the 4th sealing ring 29 is equipped between the inner wall of the attachment base 1 on the outer wall of the cover 22.
The course of work of the utility model is: after the nanofiltration type filter core installs, in the raw water of the intake tunnel 12
Entrance 121 accesses raw water (tap water), under normal circumstances also in the 13 mouthfuls of connections in the pure water channel, one pure water storage tank, waste water
Channel 14 can connect a water pipe and waste water be discharged into sewer, and the filtering body 2 is mounted on the attachment base ontology 1
When, one end that the cover 21 will pass through intake tunnel 12 with third water check valve 16 abuts, and makes third water check valve 16 along institute
It is mobile to state the second clearance position 114, the 5th sealing ring 161 does not abut intake tunnel 12, i.e. the described in opening intake tunnel 12(
Four water check valves 17 and the structure of the third water check valve 16 are similar with working principle), second in the pure water sealing element 25 stops
Water valve 26 passes through pure water sealing element 25 and the pedestal 1 and abuts, and second sealing ring 263 is made to get along well the pure water sealing element 25
It abuts, i.e. opening pure water sealing element 25；Raw water enters filtering body 2 from intake tunnel 12, becomes after the filtering of nanofiltration membrane 23
Pure water and waste water；Pure water enters central tube 24, and waste water enters in waste water chamber 28, and the pure water in central tube 24 is along pure water sealing element 25
It is flow to pure water channel 13, under the hydraulic pressure of central tube 24, moves clearance position 112 of first spool 151 on lid 11, is opened
Pure water channel 13 flow to pure water in preset pure water storage tank along pure water channel 13.Meanwhile waste water passes through waste water leakproof seal
Part, the third sealing ring 42 are not connected on the inclined surface in waste water chamber 28, i.e., the described moving member 41 opens the waste water chamber
28, flow out waste water from the wastewater outlet 141 of the waste water tunnel 14.
When dismantling the filtering body 2, the hydraulic pressure of pure water storage tank pushes the first water check valve 15, on the first spool 151
First sealing ring 152 and the transition face abut, to close pure water channel 13, make pure water in pure water storage tank will not be because of
Intercommunication and flow back；Meanwhile being abutted across one end of the third water check valve 16 of intake tunnel 12 discord cover 22, in the 4th spring
Under effect, the 5th sealing ring 161 on third water check valve 16 and the transition face in intake tunnel 12 are abutted, so that it is logical to close water inlet
Road 12, (be located at the 4th water check valve 17 in waste water tunnel 14 and the structure of the third water check valve 16 be similar with working principle)；
The get along well pedestal 1 of second spool 262 abuts, and seals the second sealing ring 263 and the pure water under the action of second spring
Transition face in part 25 abuts, to close pure water sealing element 25；The third sealing ring 42 supports under the action of third spring
It connects on the inclined surface in waste water chamber 28, to close waste water chamber 28.
It should be noted that explaining in detail for above embodiment, purpose, which is only that, carries out the utility model
It explains, in order to be able to which preferably explanation the utility model, still, these descriptions cannot be with any explanations at being to this reality
With novel limitation, in particular, each feature described in various embodiments can also mutual any combination, thus group
At other embodiments, in addition to there is clearly opposite description, these features should be understood to can be applied to any one implementation
In mode, and it is not limited merely to described embodiment.
Claims (10)
1. a kind of nanofiltration type filter core is equipped with the attachment base (1) of lid (11), the filtering body (2) including filtering body (2) and one end
Cartridge filter (21), cover (22), nanofiltration membrane (23) and the central tube (24) of opening are equipped with including one end, the central tube (24) sets
In the cartridge filter (21), the nanofiltration membrane (23) is wound on the central tube (24), the cover (22) and the filtering
The open end connection of cylinder (21), the attachment base (1) and the cover (22) connection, it is logical that the attachment base (1) is equipped with water inlet
Road (12), pure water channel (13) and waste water tunnel (14), it is characterised in that: be equipped in the pure water channel (13) for sealing or
Open (13) first water check valve (15) of pure water channel.
2. nanofiltration type filter core according to claim 1, it is characterised in that: first water check valve (15) includes the first spool
(151) and the first spring the pillar (111) with clearance position (112), first spool, are equipped on the lid (11)
(151) one end is inserted into the clearance position (112), and the other end is the first free end, and first spring is set in described the
On one spool (151), one end and the pillar (111) connection, the other end are connected with first free end, certainly described first
First sealing ring (152) are equipped with by end, first spool (151) is mobile along the clearance position (112), sealing or opening institute
State pure water channel (13).
3. nanofiltration type filter core according to claim 1 or 2, it is characterised in that: it is close to be equipped with pure water in the cover (22)
Sealing (25), the pure water channel (13) with the central tube (24) are connected to by pure water sealing element (25).
4. nanofiltration type filter core according to claim 3, it is characterised in that: be equipped with second in the pure water sealing element (25)
Water check valve (26), second water check valve (26) include fixing piece (261), the second spool (262) and second spring, the fixation
Part (261) is connected with the open end of the central tube (24), and the second spring is located at the fixing piece (261) and the second spool
(262) between, second spool (262) one end and the attachment base (1) far from second spring are abutted, in second valve
Core (262) is equipped with the second sealing ring (263), and second water check valve (26) is opened or sealing pure water sealing element (25).
5. nanofiltration type filter core according to claim 3, it is characterised in that: the pure water sealing element (25) outside, be arranged with
Waste water sealing element (27) is formed with waste water chamber (28), institute between the pure water sealing element (25) and the waste water sealing element (27)
It states waste water chamber (28) and the waste water tunnel (14) is communicated by the apopore (222) being located on the cover (22).
6. nanofiltration type filter core according to claim 1 or 2, it is characterised in that: the intake tunnel (12) is by being located at
What the inlet opening (221) on cover (22) was connected to the nanofiltration membrane (23).
7. nanofiltration type filter core according to claim 1 or 2, it is characterised in that: be additionally provided with third in the attachment base (1) and stop
Water valve (16) and the 4th water check valve (17), the third water check valve (16) are arranged in the intake tunnel (12), and the described 4th stops
Water valve (17) is arranged in the waste water tunnel (14).
8. nanofiltration type filter core according to claim 1 or 2, it is characterised in that: be equipped with water inlet leakproof in the cover (22)
Sealing element (3) and waste water anti-leak seal, the water inlet anti-leak seal (3) include fixing end (31) and the second free end
(32), the fixing end (31) and the cover (22) connection, second free end (32) are located under inlet opening (221)
Side, relatively fixed end (31) movement of second free end (32)；The waste water anti-leak seal is set in pure water sealing element
(25) on.
9. nanofiltration type filter core according to claim 8, it is characterised in that: the waste water anti-leak seal includes moving member
(41), third spring and the third sealing ring (42) being located on the moving member (41), the moving member (41) and third spring
It is set on the pure water sealing element (25), one end of the third spring and the moving member (41) connection, the other end and institute
State the ring-shaped step connection being arranged on pure water sealing element (25).
10. nanofiltration type filter core according to claim 1 or 2, it is characterised in that: on the outer wall of the cover (22) and institute
It states and is equipped with the 4th sealing ring (29) between the inner wall of attachment base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821339945.6U CN208839383U (en) | 2018-08-20 | 2018-08-20 | Nanofiltration type filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821339945.6U CN208839383U (en) | 2018-08-20 | 2018-08-20 | Nanofiltration type filter core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208839383U true CN208839383U (en) | 2019-05-10 |
Family
ID=66356858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821339945.6U Active CN208839383U (en) | 2018-08-20 | 2018-08-20 | Nanofiltration type filter core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208839383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386997A (en) * | 2020-12-14 | 2021-02-23 | 佛山市韩华滤芯有限公司 | Waterway conversion piece and waterway plate with same |
-
2018
- 2018-08-20 CN CN201821339945.6U patent/CN208839383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386997A (en) * | 2020-12-14 | 2021-02-23 | 佛山市韩华滤芯有限公司 | Waterway conversion piece and waterway plate with same |
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