CN208356525U - Reverse osmosis membrane sealing device and water purifier comprising it - Google Patents
Reverse osmosis membrane sealing device and water purifier comprising it Download PDFInfo
- Publication number
- CN208356525U CN208356525U CN201820479676.7U CN201820479676U CN208356525U CN 208356525 U CN208356525 U CN 208356525U CN 201820479676 U CN201820479676 U CN 201820479676U CN 208356525 U CN208356525 U CN 208356525U
- Authority
- CN
- China
- Prior art keywords
- sealing
- reverse osmosis
- osmosis membrane
- filter housing
- pure water
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of reverse osmosis membrane sealing device and include its water purifier.Reverse osmosis membrane sealing device includes reverse osmosis membrane, filter housing and sealing ring, and reverse osmosis membrane is located in filter housing, and sealing ring is sheathed on reverse osmosis membrane, and sealing ring has upper sealing and sealing portion.Sealing ring further includes middle seal.Middle seal is connected between sealing and sealing portion, and middle seal extends towards filter housing, face contact between middle seal and the inner wall of filter housing, and is interference fitted between middle seal and the inner wall of filter housing.It is tightly connected between upper sealing and reverse osmosis membrane, is tightly connected between middle seal and the inner wall of filter housing, is tightly connected between sealing portion and reverse osmosis membrane.It is face contact between middle seal and the inner wall of filter housing, contact area is larger, increases effective sealing area between sealing ring and the inner wall of filter housing, advantageously reduces the generation of poor sealing phenomenon.
Description
Technical field
The utility model relates to water purifier field, especially a kind of reverse osmosis membrane sealing device and the water purifier comprising it.
Background technique
RO (reverse osmosis, the abbreviation of reverse osmosis) water purifier obtains the favor of more and more clients, and sales volume increases
While also along with some quality problems.The component of most critical is RO membrane module in RO water purifier.RO membrane module includes sealing
Circle, RO film and filter housing.Sealing ring is sheathed on RO film, and RO film/filter housing is divided into two chambers by sealing ring, the upper end of sealing ring be into
The lower end of water chamber, sealing ring is concentrated water chamber, and when water enters RO membrane module, the indoor water of intake antrum passes under pressure through RO
Film is filtered, and filtered water uses after collecting for user, and concentrated water is then after the intake tunnel of RO film flows to concentrated water chamber
It exhausts or is recycled through sewage draining exit.
In the prior art, the structure of sealing ring generally comprises two parts, it may be assumed that upper sealing and sealing portion, upper sealing
It is tightly connected between portion and filter housing, is tightly connected between sealing portion and RO film.Wherein, it is sealed between upper sealing and filter housing
When, it is that point contact or line contact between upper sealing and filter housing, contact area is smaller, so that effectively sealing area is smaller, is easy
The phenomenon that generating poor sealing.
To sum up, have in the RO membrane module in the RO water purifier of the prior art and easily occur assembling not between sealing ring and filter housing
Good phenomenon.
Utility model content
The technical problems to be solved in the utility model is to overcome cup apparatus out in the prior art to have and be easy to appear
Operation troubles and the defect for influencing the normal use of water purifier, provide a kind of reverse osmosis membrane sealing device and the water purification comprising it
Machine.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of reverse osmosis membrane sealing device, including reverse osmosis membrane, filter housing and sealing ring, the reverse osmosis membrane are located at the filter
In shell, the sealing ring is sheathed on the reverse osmosis membrane, and the sealing ring has upper sealing and sealing portion, and feature exists
In the sealing ring further include:
Middle seal, the middle seal are connected between the upper sealing and the sealing portion, it is described in
Between sealing extend towards the filter housing, face contact between the middle seal and the inner wall of the filter housing, and it is described in
Between be interference fitted between sealing and the inner wall of the filter housing；
Wherein, it is tightly connected between the upper sealing and the reverse osmosis membrane, the middle seal and the filter housing
Inner wall between be tightly connected, be tightly connected between the sealing portion and the reverse osmosis membrane.
In the present solution, being face contact between middle seal and the inner wall of filter housing, contact area is larger, increases close
Effective sealing area between seal and the inner wall of filter housing, advantageously reduces the generation of poor sealing phenomenon.
Preferably, the middle seal includes
Extension, the extension is from the upper sealing and the link position of the sealing portion on described
The peripherally and outwardly extension of sealing；
Contact portion, the contact portion are connected in the extension along the circumferential direction of the upper sealing far from described
One end of upper sealing；
Wherein, it is formed with annular compartment between the contact portion, the extension and the upper sealing, it is described to connect
The inner wall of the filter housing is fitted in contact portion point towards the one side of the filter housing.
In the present solution, middle seal can also play the role of reinforcing rib, sealed ring deformation can be prevented, is conducive to
Further increase sealing reliability.
Preferably, the upper sealing has head end and tail end, described close in the short transverse along the sealing ring
The area of the cross section radially of the head end in envelope portion is less than the area of the cross section radially of the tail end of the upper sealing；
The tail end of the upper sealing is connected to the sealing portion, the head end and the reverse osmosis membrane of the upper sealing
Between be interference fitted.
In the present solution, be interference fitted between the head end and reverse osmosis membrane of upper sealing, it is tight to advantageously allow sealing
It is tightly pressed on reverse osmosis membrane, is conducive to better play sealing function, to be conducive to improve reverse osmosis membrane sealing device
Sealing reliability.
Preferably, the sealing portion is cylindrical-shaped structure, gap is matched between the sealing portion and the reverse osmosis membrane
It closes.
When in the present solution, sealing ring and reverse osmosis membrane assemble, sealing ring along reverse osmosis membrane axis direction from top to bottom
Be inserted in reverse osmosis membrane, what is contacted at first in sealing ring with reverse osmosis membrane is sealing portion, due to sealing portion and reverse osmosis membrane it
Between clearance fit, the assembly being easy to implement between sealing ring and reverse osmosis membrane.
Preferably, the reverse osmosis membrane sealing device further includes connecting element, the connecting element is along the sealing portion
Short transverse there is head end and tail end, the head end of the connecting element along the sealing portion it is circumferentially wound under described it is close
Far from one end of the upper sealing in envelope portion, the tail end of the connecting element is along the circumferentially wound in described of the sealing portion
Reverse osmosis membrane.
In the present solution, on the one hand, connecting element can play the role of sealing sealing portion and reverse osmosis membrane；Another party
Sealing portion can be more reliably fixed on reverse osmosis membrane by face, connecting element, sealing can be prevented along reverse osmosis
The axis direction of film is mobile.
Preferably, the connecting element is sealant tape.
Preferably, the bottom of the filter housing has pure water hole；
The reverse osmosis membrane sealing device further include:
Central tube, the central tube are arranged in the reverse osmosis membrane, short transverse of the central tube along the sealing ring
With head end and tail end, the tail end of the central tube is inserted in the pure water hole, and the side wall of the central tube has pure water collection
The inside in hole, the central tube has pure water chamber；
Wherein, the pure water collection hole is located at the reverse osmosis membrane in the coverage area on the central tube, described pure
Water chamber extends to the tail end of the central tube, and phase between the pure water chamber, the pure water collection hole and the pure water hole
Connection.
In the present solution, raw water forms pure water after reverse osmosis membrane filtration, pure water enters pure water chamber by pure water collection hole
Then room is used by pure water hole for user again.
Preferably, the bottom of the filter housing also has a concentrated water hole, the sealing ring is by the reverse osmosis membrane and the filter housing
It is separated into water chamber and concentrated water chamber, the concentrated water hole is connected with the concentrated water chamber；
The inside of the central tube also has a baffle, and the baffle is located at the pure water collection hole and the pure water chamber
Top.
In the present solution, baffle can prevent raw water and the indoor pure water mixing of pure water chamber, be conducive to further increase anti-
The sealing reliability of impermeable seal device.
Preferably, the outside wall surface of the tail end of the central tube is additionally provided with sealed groove, it is embedded in the sealed groove close
Seal element.
In the present solution, the tail end of central tube passes through concentrated water chamber, sealing element can prevent the indoor pure water of pure water chamber
With the indoor sewage mixing of concentrated water chamber, be conducive to the sealing reliability for further increasing reverse osmosis sealing device.
The utility model also provides a kind of water purifier, it is characterized in that comprising there is reverse osmosis membrane as described above to seal
Device.
In the present solution, water purifier includes reverse osmosis membrane sealing device using the above structure, since reverse osmosis membrane seals
Effective sealing area between the sealing ring of device and the inner wall of filter housing is larger, the sealing reliability of reverse osmosis membrane sealing device
It is larger, so that water purifier more can reliably obtain pure water.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with
Good example.
The positive effect of the utility model is:
It is face contact, contact area between middle seal and the inner wall of filter housing in the reverse osmosis membrane sealing device
It is larger, effective sealing area between sealing ring and the inner wall of filter housing is increased, the hair of poor sealing phenomenon is advantageously reduced
It is raw, thus, be conducive to water purifier and more reliably obtain pure water.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the reverse osmosis membrane sealing device of one preferred embodiment of the utility model.
Fig. 2 is the schematic cross-sectional view in Fig. 1 along A-A.
Fig. 3 is the structural schematic diagram of sealing ring in the reverse osmosis membrane sealing device of one preferred embodiment of the utility model.
Fig. 4 is the structural schematic diagram of central tube in the reverse osmosis membrane sealing device of one preferred embodiment of the utility model.
Description of symbols:
10 reverse osmosis membranes
20 filter housings
201 pure water holes
202 concentrated water holes
30 sealing rings
Sealing on 301
302 sealing portion
303 middle seals
3031 contact portions
304 annular compartments
40 connecting elements
50 central tubes
501 pure water collection holes
502 pure water chambers
503 baffles
504 sealed grooves
60 water inlet chambers
70 concentrated water chambers
80 sealing elements
Specific embodiment
Illustrate below by the mode of embodiment and completely the utility model in conjunction with attached drawing to become apparent from, but not therefore
Among the scope of embodiments that the utility model is limited in.
The present embodiment discloses a kind of reverse osmosis membrane sealing device and the water purifier comprising it, and -3 are understood referring to Fig.1, instead
Permeable membrane sealing device includes reverse osmosis membrane 10, filter housing 20 and sealing ring 30, and reverse osmosis membrane 10 is located in filter housing 20, sealing ring 30
It is sheathed on reverse osmosis membrane 10, sealing ring 30 has upper sealing 301 and sealing portion 302.Sealing ring 30 further includes intermediate seal
Portion 303, middle seal 303 are connected between sealing 301 and sealing portion 302, and middle seal 303 is towards filter housing 20
Extend, face contact between middle seal 303 and the inner wall of filter housing 20, and the inner wall of middle seal 303 and filter housing 20
Between be interference fitted.Wherein, sealing ring 30 is extended at the both ends of reverse osmosis membrane 10, between upper sealing 301 and reverse osmosis membrane 10
Be tightly connected, be tightly connected between middle seal 303 and the inner wall of filter housing 20, sealing portion 302 and reverse osmosis membrane 10 it
Between be tightly connected.
In the present embodiment, between middle seal 303 and the inner wall of filter housing 20 be face contact, contact area compared with
Greatly, effective sealing area between sealing ring 30 and the inner wall of filter housing 20 is increased, poor sealing phenomenon is advantageously reduced
Occur.
Further, understood referring to Fig. 2 and Fig. 3, middle seal 303 have extension (not indicated in figure) and
Contact portion 3031.Extension is from upper sealing 301 and the link position of sealing portion 302 along the week of upper sealing 301
To extending outwardly.Contact portion 3031 is connected in extension one far from upper sealing 301 along the circumferential direction of upper sealing 301
End.Annular compartment 304, direction in contact portion 3031 are formed between contact portion 3031, extension and upper sealing 301
The one side of filter housing 20 fits in the inner wall of filter housing 20.
Wherein, middle seal 303 can also play the role of reinforcing rib, can prevent sealing ring 30 from deforming, be conducive to
Further increase sealing reliability.
Further, understood referring to Fig. 2 and Fig. 3, in the short transverse along sealing ring 30, upper sealing 301
With head end and tail end, the area of the cross section radially of the head end of upper sealing 301 is less than the tail end of upper sealing 301
The area of cross section radially.The tail end of upper sealing 301 is connected to sealing portion 302, the head end of upper sealing 301 and anti-
It is interference fitted between permeable membrane 10.
Wherein, it is interference fitted between the head end and reverse osmosis membrane 10 of upper sealing 301, advantageously allows sealing 301
It is compressed tightly against on reverse osmosis membrane 10, is conducive to better play sealing function, to be conducive to improve reverse osmosis membrane sealing dress
The sealing reliability set.
Further, understood with continued reference to Fig. 2 and Fig. 3, sealing portion 302 is cylindrical-shaped structure, sealing portion
Clearance fit between 302 and reverse osmosis membrane 10.Wherein, when sealing ring 30 and reverse osmosis membrane 10 assemble, sealing ring 30 is along reverse osmosis
The axis direction of film 10 is inserted in reverse osmosis membrane 10, sealing under being contacted at first in sealing ring 30 with reverse osmosis membrane 10 from top to bottom
Portion 302, due to clearance fit between sealing portion 302 and reverse osmosis membrane 10, be easy to implement sealing ring 30 and reverse osmosis membrane 10 it
Between assembly.
It should be noted that the thickness of upper sealing 301 is usually smaller under the premise of guaranteeing sealing reliability, such as may be used
To set 0.1~0.2mm (in the present embodiment, upper sealing 301 with a thickness of 0.1mm) for thickness, so set, making
It is easily deformable that sealing 301 must be gone up, to be preferably bonded with reverse osmosis membrane 10, be conducive to further increase sealing reliability.
Further, understood referring to Fig. 2, reverse osmosis membrane sealing device further includes connecting element 40, connecting element
40 have head end and tail end along the short transverse of sealing portion 302, and the head end of connecting element 40 twines along the circumferential direction of sealing portion 302
It is around in one end in sealing portion 302 far from upper sealing 301, the tail end of connecting element 40 is twined along the circumferential direction of sealing portion 302
It is around in reverse osmosis membrane 10.
Wherein, on the one hand, connecting element 40 can play the role of sealing sealing portion 302 and reverse osmosis membrane 10；It is another
Sealing portion 302 can be more reliably fixed on reverse osmosis membrane 10 by aspect, connecting element 40, can prevent sealing
301 move along the axis direction of reverse osmosis membrane 10.
In addition, in the present embodiment, connecting element 40 is sealant tape.It should be noted that alternative at other
In embodiment, connecting element 40 can also be using the other structures form that can be realized above-mentioned function, such as double-sided adhesive.
Further, understood referring to FIG. 1, FIG. 2 and FIG. 4, the bottom of filter housing 20 has pure water hole 201, reverse osmosis
Film sealing device further includes central tube 50, and central tube 50 is arranged in reverse osmosis membrane 10, and central tube 50 is along the height side of sealing ring 30
It is inserted in pure water hole 201 to the tail end with head end and tail end, central tube 50, the side wall of central tube 50 has pure water collection hole
501, the inside of central tube 50 has pure water chamber 502.Wherein, pure water collection hole 501 is located at reverse osmosis membrane 10 in central tube 50
On coverage area in, pure water chamber 502 extends to the tail end of central tube 50, and pure water chamber 502,501 and of pure water collection hole
It is connected between pure water hole 201.Here, raw water forms pure water after the filtering of reverse osmosis membrane 10, pure water passes through pure water collection hole 501
Into pure water chamber 502, then used again by pure water hole 201 for user.
Understood with continued reference to Fig. 1, Fig. 2 and Fig. 4, the bottom of filter housing 20 also has concentrated water hole 202, and sealing ring 30 will be anti-
Permeable membrane 10 and filter housing 20 are separated into water chamber 60 and concentrated water chamber 70, and concentrated water hole 202 is connected with concentrated water chamber 70.Center
The inside of pipe 50 also has baffle 503, and baffle 503 is located at the top in pure water collection hole 501 and pure water chamber 502.Wherein, baffle
503 can prevent the pure water in raw water and pure water chamber 502 from mixing, and be conducive to the sealing for further increasing reverse osmosis sealing device
Reliability.
Understood with continued reference to Fig. 1 and Fig. 2, the outside wall surface of the tail end of central tube 50 is additionally provided with sealed groove 504, sealing
Sealing element 80 is embedded in groove 504.In the present embodiment, sealing element 80 is O-ring.
Wherein, the tail end of central tube 50 passes through concentrated water chamber 70, and sealing element can prevent the pure water in pure water chamber 502
Sewage mixing in concentrated water chamber 70, is conducive to the sealing reliability for further increasing reverse osmosis sealing device.
It is face contact, contact between middle seal 303 and the inner wall of filter housing 20 for the reverse osmosis membrane sealing device
Area is larger, increases effective sealing area between sealing ring 30 and the inner wall of filter housing 20, advantageously reduces poor sealing
The generation of phenomenon, thus, be conducive to water purifier and more reliably obtain pure water.Correspondingly, it is also beneficial to comprising the reverse osmosis membrane
The water purifier of sealing device more reliably obtains pure water.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art
Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made,
But these change and modification each fall within the protection scope of the utility model.
Claims (10)
1. a kind of reverse osmosis membrane sealing device, including reverse osmosis membrane, filter housing and sealing ring, the reverse osmosis membrane is located at the filter housing
Interior, the sealing ring is sheathed on the reverse osmosis membrane, and the sealing ring has upper sealing and sealing portion, which is characterized in that
The sealing ring further include:
Middle seal, the middle seal are connected between the upper sealing and the sealing portion, and the centre is close
Envelope portion extends towards the filter housing, face contact between the middle seal and the inner wall of the filter housing, and the centre is close
It is interference fitted between envelope portion and the inner wall of the filter housing；
Wherein, it is tightly connected between the upper sealing and the reverse osmosis membrane, the middle seal is interior with the filter housing
It is tightly connected between wall surface, is tightly connected between the sealing portion and the reverse osmosis membrane.
2. reverse osmosis membrane sealing device as described in claim 1, which is characterized in that the middle seal includes
Extension, the extension is from the upper sealing and the link position of the sealing portion along the upper sealing
The peripherally and outwardly extension in portion；
Contact portion, the contact portion are connected in the extension along the circumferential direction of the upper sealing far from described close
The one end in envelope portion；
Wherein, annular compartment, the contact portion are formed between the contact portion, the extension and the upper sealing
The inner wall of the filter housing is fitted in point towards the one side of the filter housing.
3. reverse osmosis membrane sealing device as claimed in claim 2, which is characterized in that in the short transverse along the sealing ring
On, the upper sealing has head end and tail end, and the area of the cross section radially of the head end of the upper sealing is less than institute
State the area of the cross section radially of the tail end of sealing；
The tail end of the upper sealing is connected to the sealing portion, between the head end and the reverse osmosis membrane of the upper sealing
Interference fit.
4. reverse osmosis membrane sealing device as described in claim 1, which is characterized in that the sealing portion is cylindrical-shaped structure,
Clearance fit between the sealing portion and the reverse osmosis membrane.
5. reverse osmosis membrane sealing device as claimed in claim 4, which is characterized in that the reverse osmosis membrane sealing device further includes
Connecting element, the connecting element have head end and tail end, the head of the connecting element along the short transverse of the sealing portion
It holds along one end of the circumferentially wound upper sealing separate in the sealing portion of the sealing portion, the connecting element
Tail end along the circumferentially wound in the reverse osmosis membrane of the sealing portion.
6. reverse osmosis membrane sealing device as claimed in claim 5, which is characterized in that the connecting element is sealant tape.
7. the reverse osmosis membrane sealing device as described in any one of claim 1-6, which is characterized in that the bottom of the filter housing
With pure water hole；
The reverse osmosis membrane sealing device further include:
Central tube, the central tube are arranged in the reverse osmosis membrane, and the central tube has along the short transverse of the sealing ring
Head end and tail end, the tail end of the central tube are inserted in the pure water hole, and the side wall of the central tube has pure water collection hole, institute
The inside for stating central tube has pure water chamber；
Wherein, the pure water collection hole is located at the reverse osmosis membrane in the coverage area on the central tube, the pure water chamber
Room extends to the tail end of the central tube, and is connected between the pure water chamber, the pure water collection hole and the pure water hole.
8. reverse osmosis membrane sealing device as claimed in claim 7, which is characterized in that the bottom of the filter housing also has concentrated water
The reverse osmosis membrane and the filter housing are separated into water chamber and concentrated water chamber, the concentrated water hole and institute by hole, the sealing ring
Concentrated water chamber is stated to be connected；
The inside of the central tube also has a baffle, and the baffle is located at the upper of the pure water collection hole and the pure water chamber
Side.
9. reverse osmosis membrane sealing device as claimed in claim 8, which is characterized in that the outside wall surface of the tail end of the central tube is also
Equipped with sealed groove, sealing element is embedded in the sealed groove.
10. a kind of water purifier, which is characterized in that it includes close just like reverse osmosis membrane described in any one of claim 1-9
Seal apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820479676.7U CN208356525U (en) | 2018-04-04 | 2018-04-04 | Reverse osmosis membrane sealing device and water purifier comprising it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820479676.7U CN208356525U (en) | 2018-04-04 | 2018-04-04 | Reverse osmosis membrane sealing device and water purifier comprising it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208356525U true CN208356525U (en) | 2019-01-11 |
Family
ID=64923306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820479676.7U Active CN208356525U (en) | 2018-04-04 | 2018-04-04 | Reverse osmosis membrane sealing device and water purifier comprising it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208356525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310977A (en) * | 2018-04-04 | 2018-07-24 | 上海开能环保设备股份有限公司 | Reverse osmosis membrane sealing device and water purifier comprising it |
| CN111450704A (en) * | 2019-09-17 | 2020-07-28 | 广东韦博科技有限公司 | Filter assembly and filter element structure applying same |
-
2018
- 2018-04-04 CN CN201820479676.7U patent/CN208356525U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310977A (en) * | 2018-04-04 | 2018-07-24 | 上海开能环保设备股份有限公司 | Reverse osmosis membrane sealing device and water purifier comprising it |
| CN111450704A (en) * | 2019-09-17 | 2020-07-28 | 广东韦博科技有限公司 | Filter assembly and filter element structure applying same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211886283U (en) | Central tube for roll type membrane, roll type membrane component and water purification system | |
| CN208356525U (en) | Reverse osmosis membrane sealing device and water purifier comprising it | |
| WO2021190002A1 (en) | Reverse osmosis membrane element, filter element, and water purifier | |
| CN205760668U (en) | A kind of reverse osmosis membrane filter element | |
| CN108355494A (en) | The filter core encapsulating structure of built-in elastic element | |
| JP5509021B2 (en) | Separation membrane module | |
| CN108310977A (en) | Reverse osmosis membrane sealing device and water purifier comprising it | |
| CN111115883A (en) | Composite filter element and water treatment device with same | |
| CN214936540U (en) | Multilayer combined type water purifier filter element with good purification effect | |
| CN213966013U (en) | Reverse osmosis filter core and water purification system | |
| CN215049121U (en) | Composite double-outlet filter element and water filter | |
| CN213977066U (en) | But filter for water purification of automatically cleaning | |
| CN211871582U (en) | Water purification machine and composite filter element thereof | |
| CN208660533U (en) | Composite filter element and purifier | |
| CN209307063U (en) | A kind of Combination filter element and water purifier | |
| CN208414018U (en) | Reverse osmosis composite filter element component | |
| CN108328760B (en) | Filter element shell and filter element | |
| CN214319771U (en) | Connection structure and spiral wound membrane module | |
| CN210729182U (en) | Reverse osmosis membrane filter core and purifier | |
| CN219792619U (en) | RO membrane filter core using carbon fiber membrane | |
| CN220589573U (en) | RO membrane roll for water purification filter element | |
| CN219209538U (en) | Reverse osmosis membrane filter core and water purifier | |
| CN111115880A (en) | Composite filter element and water treatment device with same | |
| CN214693541U (en) | Preceding pressure formula composite filter element and water purifier | |
| CN220724168U (en) | Medical wastewater bacterial sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 508 and No. 518 Chuansha Zhenchuan Road, Pudong New District, Shanghai, 201200 Patentee after: Kai Ning health technology group Limited by Share Ltd Address before: 201200 518 Chuan Da Road, Pudong New District, Shanghai Patentee before: Shanghai Canature Environmental Products Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200921 Address after: 201200, Shanghai, Pudong New Area, Sichuan Road, No. 588 Patentee after: SHANGHAI BENTAIR WATER TREATMENT EQUIPMENT Co.,Ltd. Address before: No. 508 and No. 518 Chuansha Zhenchuan Road, Pudong New District, Shanghai, 201200 Patentee before: CANATURE HEALTH TECHNOLOGY GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: Floor 3, building 1, No. 508, Chuanda Road, Pudong New Area, Shanghai, 201200 Patentee after: SHANGHAI BENTAIR WATER TREATMENT EQUIPMENT Co.,Ltd. Address before: 201200, Shanghai, Pudong New Area, Sichuan Road, No. 588 Patentee before: SHANGHAI BENTAIR WATER TREATMENT EQUIPMENT Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 201200 3rd floor, building 1, No. 508, Chuanda Road, Pudong New Area, Shanghai Patentee after: SHANGHAI BENTAIR WATER TREATMENT EQUIPMENT Co.,Ltd. Address before: 201200 3rd floor, building 1, no.508 Chuanda Road, Pudong New Area, Shanghai Patentee before: SHANGHAI BENTAIR WATER TREATMENT EQUIPMENT Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |