CN106582096B - A kind of filter device of easy replacement filter core - Google Patents
A kind of filter device of easy replacement filter core Download PDFInfo
- Publication number
- CN106582096B CN106582096B CN201710009787.1A CN201710009787A CN106582096B CN 106582096 B CN106582096 B CN 106582096B CN 201710009787 A CN201710009787 A CN 201710009787A CN 106582096 B CN106582096 B CN 106582096B
- Authority
- CN
- China
- Prior art keywords
- filter core
- access
- water
- connector
- filter
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000001914 filtration Methods 0.000 claims abstract description 40
- 238000000746 purification Methods 0.000 claims abstract description 11
- 239000008213 purified water Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 230000032258 transport Effects 0.000 claims 1
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 52
- 238000010586 diagram Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000012510 hollow fiber Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of filter devices of easily replacement filter core, including connector, filter core and locking device to be equipped with water-stop valve in the access wherein the connector, interior to be equipped with the access passed through for water body；The filter core forms water-flowing path for opening the water-stop valve in connector access, and the upper end is equipped with filtering access corresponding with access, is equipped with water-stop valve in the filtering access；The locking device is used to for filter core connecting with connector in a detachable manner.Advantage is when the filter core of filter device to be separated is to be replaced, it can easily be replaced by connector and locking device, and the water-stop valve by being arranged in connector and filter core disconnects water supply and water purification access, filter device or filter core infiltration when solving replacement filter core, omit the operation of locking water supply lock valve, it improves efficiency, simplify operation, it is conveniently replaceable, repairs and cleans, the filter device may be directly applied to the filtration system of refrigerator or water dispenser, it is not only easy to operate, and interface is more beautiful.
Description
Technical field
The invention belongs to filter device fields, more particularly to a kind of filter device of easily replacement filter core.
Background technique
Current filter device is widely used, and especially water purification and drinking equipment market is huge.With the hair of science and technology
Exhibition, the products such as more and more filter devices occur.Filter core is its core in filter device, and filter core needs in use for some time
It replaced, repaired or is cleaned, this just needs to remove filter element filtering part from filter device, mostly uses connector at present
Fixed filter core, rotary buckle connection are threadedly coupled, thus in the presence of installation be inconvenient to need tool, installation torsion it is big, cannot be automatic
Water supply or water passage out are disconnected, infiltration when replacement needs manual switching water supply locking device, filter core to be inverted or is horizontal every time, these ask
Topic causes the working efficiency of cartridge removal low, time-consuming and laborious, and connector is also easily lost, and layman is difficult to grasp
Make.
Summary of the invention
Goal of the invention：The present invention provides a kind of replacement, installation filter core is convenient and safety, leak risk are small filter device.
Technical solution：The filter device of easy replacement filter core of the invention, including connector, filter core and locking device, the filter
Core is connect with connector in a detachable manner by locking device, wherein：
The connector, the interior access being equipped with for water body flow, lower end is equipped with the guide cylinder for accommodating filter core；
The filter core, for accommodating filtering material, the upper end is equipped with filtering access corresponding with access；
The locking device, including：Tooth set with central through hole is embedded in connector, is fixed on guide cylinder；If
In tooth set upper side, several helical teeth for locking filter core, be spaced on the inside of helical teeth open up it is fluted；Offset set on tooth set lower end
Tooth；And one end is placed in tooth set upper side, the elastic element that the other end is connected with connector；
The sliding tooth that the upper end of the filter core is respectively equipped with double wedge corresponding with groove and matches with offset tooth.
Furtherly, guide cylinder is equipped with guide groove, and filter core is equipped with gib block corresponding with guide groove；In connector
Access includes by the first access that water is transmitted in connector from admission port and exporting purified water to connector and flowing to water purification mouth
Alternate path.Filtering access in filter core includes by the first filtering access in the feed water to filter core in the first access and inciting somebody to action
Purified water in filter core is transmitted to the second filtering access of alternate path.
It further says, the access in connector includes the first access being transmitted to water from admission port in connector, will purify
Water out splice going splice flow to the alternate path of water purification mouth and condensed water out splice going splice is flow to the third path at the concentration mouth of a river.Filter
The filtering access of in-core include by the feed water to filter core in the first access the first filtering access, by the purification in filter core
Water is transmitted to the second filtering access of alternate path and the condensed water in filter core is transmitted to the concentration water passage of third path.
Furtherly, it is equipped with the first water-stop valve for avoiding water body from flowing out in first access and alternate path, used
First access and alternate path are opened when the filter core is bonded on connector.The first filtering access and the second mistake
The second water-stop valve for avoiding water body from flowing out is equipped in filter access.
Beneficial effect：Compared with prior art, remarkable advantage of the invention is：When filter device to be separated filter core with into
It when row replacement, can easily be replaced by connector and locking device, and the water-stop valve by being arranged in connector and filter core is disconnected
Open water and water purification access, filter device or filter core infiltration, omit the operation of locking water supply lock valve when solving replacement filter core,
It improves efficiency and simplifies operation, be conveniently replaceable, repair and clean, which may be directly applied to refrigerator or water dispenser
Filtration system, it is not only easy to operate, and interface is more beautiful.
Detailed description of the invention
Fig. 1 is the main view of filter device of the invention；
Fig. 2 is the schematic diagram of internal structure of filter device of the present invention, and the filter core used is reverse osmosis membrane filter element；
Fig. 3 is the schematic diagram of internal structure of filter device of the present invention, and the filter core used is sediment filter core, active carbon filtration
At least one of core, hollow fiber cartridge；
Fig. 4 is the top view of inventive joint；
Fig. 5 is the structural schematic diagram of inventive joint inner gateway；
Fig. 6 is the structural schematic diagram of filter core of the present invention；
Fig. 7 is the structural schematic diagram of locking device of the present invention；
Fig. 8 is the top view of locking device of the present invention；
Fig. 9 is the non-locking status diagram of locking device of the invention；
Figure 10 is locking device locking state schematic diagram of the invention；
Status diagram when Figure 11 is present invention disassembly filter core；
Figure 12 is filter device usage state diagram of the invention；
Figure 13 is filter device disassembly status figure of the invention.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawings and embodiments.
As shown in Figures 1 and 2, the filter device of easy replacement filter core of the invention, including connector 1, filter core 2 and locking device
3, the filter core 2 is connect with connector 1 in a detachable manner by locking device 3.
Wherein, the connector 1, interior to be equipped with the access 4 passed through for water body, lower end is equipped with for accommodating leading for filter core 2
To cylinder 5, the access 4 is 2~3, can be set side by side or is arranged using asymmetric, as shown in figure 5, setting on the guide cylinder 5
There is guide groove 14, filter core 2 is equipped with gib block 15 corresponding with guide groove 14, convenient for the limit between filter core and guide cylinder.
The filter core 2, for accommodating filtering material, the upper end is equipped with filtering access 6 corresponding with access 4, such as Fig. 6 institute
Show.
As shown in Fig. 7, Fig. 8 and Fig. 9, the locking device 3 includes：Tooth set 7 with central through hole, is embedded in connector
In 1, it is fixed on guide cylinder 5；7 upper ends, several helical teeth 8 for locking filter core 2 are covered set on tooth, are spaced the inside of helical teeth 8
Fluted 9 are opened up, i.e., successively according to the helical teeth 8 without groove 9, the helical teeth 8 with groove 9, helical teeth 8 not with groove, band groove
The such mode of helical teeth 8 arrange；The offset tooth 10 of 7 lower ends is covered set on tooth；And one end be placed in tooth cover 7 upper ends, the other end with connect
First 1 connected elastic element 11, i.e. spring.
As shown in fig. 6, the upper end of the filter core 2 be respectively equipped with double wedge 12 corresponding with groove 9 and with offset 10 phase of tooth
The sliding tooth 13 of cooperation, by the cooperation of double wedge 12 and helical teeth 8 and sliding tooth 13 and offset tooth 10, thus realize filter core 2 and
Connection, the disassembly of connector 1.Wherein, settable multiple double wedges 12 on filter core 2, it is corresponding with groove 9, it also can only set several double wedges
12, it is corresponding with corresponding several grooves 9；Similarly, settable multiple offset teeth 10 on filter core 2, it is corresponding with sliding tooth 13,
Several offset teeth 10 can also be only set, it is corresponding with corresponding several sliding tooths 13.
When filter core 2 is at least one of sediment filter core, active carbon filter core or hollow fiber cartridge, the access 4
Including 2, it is flow to respectively by the first access 41 that water is transmitted in connector 1 from admission port 16 and by purified water out splice going splice 1
The alternate path 42 of water purification mouth 17；Correspondingly, the filtering access 6 includes 2, respectively passes the water supply in the first access 41
First transported in filter core 2 filters access 61 and the purified water in filter core 2 is transmitted to the second filtering access of alternate path 42
62, as shown in Figure 3；When filter core is reverse osmosis membrane filter element, the access 4 includes 3, respectively transmits water from admission port 16
The first access 41 in connector 1, the alternate path 42 that purified water out splice going splice 1 is flow to water purification mouth 17 and condensed water is defeated
Connector 1 flow to the third path 43 at the concentration mouth of a river 18 out；Accordingly, filtering access 6 also includes 3, is respectively led to first
First in feed water to filter core 2 in road 41 filters access 61, the purified water in filter core 2 is transmitted to alternate path 42
Second filtering access 62 and the concentration water passage 63 that the condensed water in filter core 2 is transmitted to third path 43, as shown in Figure 2；It removes
Except this, when filter core is at least one of sediment filter core, active carbon filter core or hollow fiber cartridge, access 4 may include 3
It is a, respectively the first access 41, alternate path 42 and third path 43, and third path 43 at this time is closed, only conduct
Fool proof is installed to use.
It is equipped with the first water-stop valve 19 for avoiding water body from flowing out in first access 41 and alternate path 42, is used for institute
It states and opens first access 41 and alternate path 42 when filter core 2 is bonded on connector 1, the first filtering access 61 and the second filtering
It is equipped with the second water-stop valve 20 for avoiding water body from flowing out in access 62, and is correspondingly arranged two-by-two, so that filter device of the invention
No matter horizontal, vertical or placement of standing upside down, can play prevents water droplet from draining to machine or ground.If filter core 2 does not need function of cutting off the water supply
When energy, the second water-stop valve 20 can be cancelled and ensure first in connector 1 using structure is increased in the filtering access 6 of filter core 2
19 function of water-stop valve is normal.First water-stop valve 19 includes valve rod 21, is cut off the water supply valve spring 22 set on the first of 21 end of valve rod
And the valve deck 23 set on spring end, first water-stop valve 19 is fixed in connector 1 by valve deck 23.Second water-stop valve
20 include valve rod 21, cut off the water supply set on the second of 21 end of valve rod and valve spring 24 and second water-stop valve 20 to be fixed on filtering access
The other end of valve seat 25 in 6, valve rod 21 is equipped with sealing ring, for disconnecting access 4 and filtering access 6.
Working principle：
When installing filter core 2, the guide groove 14 that the gib block 15 of filter core 2 is aligned guide cylinder 5 is axially inserted into, and presses filter core 2
Until the end face of the access 4 of connector 1 is pushed up to the end face of the second water-stop valve 20, while the double wedge 12 of filter core 2 enters into and through groove
9,13 left side contact of incline plane of sliding tooth of filter core 2 to offset tooth 10, sliding tooth set 7 is turned left generation under the reaction force of spring 11
Rotation offset, until sliding tooth 13 and offset tooth 10 coincide, double wedge 12 is positioned at the upper of 8 inclined-plane of helical teeth without groove 9 at this time
Side.Unclamp filter core 2, first cut off the water supply valve spring 22 reaction force under, double wedge 12 fall back to without groove 9 helical teeth 8 it is oblique
On face, sliding tooth set 7 continues rotation of turning left under component effect, until double wedge 12 fall on without the helical teeth 8 of groove 9 inclined-plane most
Low spot, so that filter core 2 be locked.At this point, the first water-stop valve 19 and the second water-stop valve 20 are opened under mutual active force, first
Access is formed between access 41 and the first filtering access 61, forms access between alternate path 42 and the second filtering access 62, third is logical
Access is formed between road 43 and concentration water passage 63, whole process is installation process, as shown in Figure 10.
After being installed, in use, being passed through water source from admission port 16, water source is successively cut off the water supply from first as shown in Fig. 4 and 12
Access, the first access 41, the access of the second water-stop valve 20 formation and the first filtering access 61 that valve 19 is formed enter filter core 2
It is interior.After being filtered by filtering material, purified water is successively from the second filtering access 62, the access of the second water-stop valve 20 formation, second
The tunnel that access 42 and the first water-stop valve 19 are formed is to water purification mouth 17, for using.And purified waste water then deposits
To the bottom end of filter core 2, concentration water passage 63 is sequentially entered from the periphery of filter core 2 and third path 43 is transmitted to the concentration mouth of a river 18
Discharge.
When dismantling filter core 2, along filter core 2 is axially pressed, until 4 end face of access of connector 1 top to the end of the second water-stop valve 20
Face.13 left side contact of incline plane of sliding tooth of filter core 2 is to offset tooth 10, and sliding tooth set 7 is turned left hair under the reaction force of spring 11
Raw rotation offset, until sliding tooth 13 and offset tooth 10 coincide, double wedge 12 is located at the upper of 8 inclined-plane of helical teeth with groove 9 at this time
Side, as shown in figure 11.Unclamp filter core 2, the reaction force lower raised teeth 12 that first cuts off the water supply valve spring 22 fall back to groove 9
On 8 inclined-plane of helical teeth, under component effect, sliding tooth set 7 continues rotation of turning left, until double wedge 12 falls on the helical teeth 8 with groove 9 tiltedly
In the groove 9 of the minimum point in face, filter core 2 can be dismantled, while the first water-stop valve 19 and the second water-stop valve 20 close and break
Road is opened, as shown in figure 13.
Filter device of the invention can be used alone or the connector 1, filter core 2 and locking device 3 of the whole series by 2 or more
Composition；And 2 or more connectors 1 are the entirety that can not be split, connector 1 can effectively be solved by mold one-pass molding
The disadvantages of certainly production efficiency is low, leakage point is more, bearing capacity is not high.
Filter device of the invention, wherein the number and double wedge of helical teeth 8, offset tooth 10, double wedge 12 and sliding tooth 13
12 and the position of sliding tooth 13 appropriate adjustment can be carried out within the scope of this field, without limiting to and the embodiment of the present invention.
Claims (8)
1. a kind of filter device of easily replacement filter core, it is characterised in that the filter device includes connector (1), filter core (2) and locking
Device (3), the filter core (2) are connect with connector (1) in a detachable manner by locking device (3), wherein：
The connector (1), the interior access (4) being equipped with for water body flow, lower end is equipped with the guide cylinder for accommodating filter core (2)
(5)；
The filter core (2), for accommodating filtering material, the upper end is equipped with filtering access (6) corresponding with access (4)；
The locking device (3), including：Tooth set (7) with central through hole is embedded in connector (1), is fixed on guide cylinder
(5) on；It is offered on the inside of tooth set (7) upper end, several helical teeth (8) for locking filter core (2), interval helical teeth (8) recessed
Slot (9)；Offset tooth (10) set on tooth set (7) lower end；And one end is placed in tooth set (7) upper end, the other end is connected with connector (1)
Elastic element (11)；
Wherein, the upper end of filter core (2) is respectively equipped with corresponding with groove (9) double wedge (12) and matches with offset tooth (10)
Sliding tooth (13).
2. the filter device of easy replacement filter core according to claim 1, it is characterised in that：The guide cylinder (5) is equipped with
Guide groove (14), filter core (2) are equipped with gib block (15) corresponding with guide groove (14).
3. the filter device of easy replacement filter core according to claim 1, it is characterised in that：The access (4) includes by water
It the first access (41) for being transmitted in connector (1) from admission port (16) and purified water is exported to connector (1) flow to water purification
The alternate path (42) of mouth (17).
4. the filter device of easy replacement filter core according to claim 1, it is characterised in that：The filtering access (6) includes
By the first filtering access (61) in the feed water in the first access (41) to filter core (2) and by the purified water in filter core (2)
It is transmitted to the second filtering access (62) of alternate path (42).
5. the filter device of easy replacement filter core according to claim 1, it is characterised in that：The access (4) includes by water
Purified water out splice going splice (1) is flow to water purification mouth (17) by the first access (41) for being transmitted in connector (1) from admission port (16)
Alternate path (42) and by condensed water out splice going splice (1) flow to concentration the mouth of a river (18) third path (43).
6. the filter device of easy replacement filter core according to claim 1, it is characterised in that：The filtering access (6) includes
First in feed water in first access (41) to filter core (2) is filtered into access (61), passes the purified water in filter core (2)
It transports to the second filtering access (62) of alternate path (42) and the condensed water in filter core (2) is transmitted to the dense of third path (43)
Shrink access (63).
7. the filter device of easy replacement filter core according to claim 3 or 5, it is characterised in that：First access (41)
And the first water-stop valve (19) for avoiding water body from flowing out is equipped in alternate path (42), it is used to for the filter core (2) being bonded on
First access (41) and alternate path (42) are opened when on connector (1).
8. the filter device of easy replacement filter core according to claim 4 or 6, it is characterised in that：The first filtering access
(61) and in the second filtering access (62) it is equipped with the second water-stop valve (20) for avoiding water body from flowing out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009787.1A CN106582096B (en) | 2017-01-06 | 2017-01-06 | A kind of filter device of easy replacement filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009787.1A CN106582096B (en) | 2017-01-06 | 2017-01-06 | A kind of filter device of easy replacement filter core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106582096A CN106582096A (en) | 2017-04-26 |
| CN106582096B true CN106582096B (en) | 2018-11-16 |
Family
ID=58582937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710009787.1A Active CN106582096B (en) | 2017-01-06 | 2017-01-06 | A kind of filter device of easy replacement filter core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106582096B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176123A (en) * | 2017-12-29 | 2018-06-19 | 天津亿泰基自动化技术有限公司 | Filter device a kind of easy for installation and that leak can be prevented |
| CN110721511A (en) * | 2019-11-15 | 2020-01-24 | 深圳安吉尔饮水产业集团有限公司 | A filter barrel of a water purification device, an annular toothed disc of a water purification device, a filter element device and a manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2271922Y (en) * | 1996-07-15 | 1998-01-07 | 王伟任 | Honeycomb water filter core |
| DE19951084A1 (en) * | 1999-10-23 | 2001-04-26 | Mahle Filtersysteme Gmbh | Oil filter esp. for lubricant oil in IC engines for motor vehicles has separate functional carrier insert containing all components requiring finishing |
| CN105749613A (en) * | 2016-03-21 | 2016-07-13 | 西安天厚滤清技术有限责任公司 | General rotary-mounted filter provided with replaceable filter element |
| CN105697204A (en) * | 2016-03-21 | 2016-06-22 | 西安天厚滤清技术有限责任公司 | Universal rotary-assembly type oil product filter with filter element replaceable function and automatic water drainage function |
| CN206424671U (en) * | 2017-01-06 | 2017-08-22 | 南京黑橙环保科技有限公司 | A kind of easy filter for changing filter core |
-
2017
- 2017-01-06 CN CN201710009787.1A patent/CN106582096B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106582096A (en) | 2017-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208776366U (en) | A kind of ion selectivity penetrates film water treatment device | |
| CN106565026B (en) | Water switching and making method of double-pump water purifier with concentrated drainage water recovery device | |
| CN106582096B (en) | A kind of filter device of easy replacement filter core | |
| KR101436826B1 (en) | a balltype filtering valve | |
| CN206424671U (en) | A kind of easy filter for changing filter core | |
| CN105621649B (en) | Water treatment machine with water collecting type shell device | |
| CN207685007U (en) | A kind of hydraulic engineering gate purifier | |
| CN203874899U (en) | Y-type filter for water supply system | |
| CN201634481U (en) | Split type drinking water purifier | |
| CN205710139U (en) | Water purifier with backwashing function | |
| CN206424678U (en) | One kind uses the easily changeable filter of joint | |
| CN210286842U (en) | Water system deionization device with top inlet and bottom outlet | |
| CN111974219A (en) | Water purifier convenient to renew cartridge more | |
| CN101475271A (en) | Multipurpose purifying water filtration apparatus | |
| KR200420335Y1 (en) | Pretreatment device for water purifier | |
| CN203540351U (en) | UF ultra filtration membrane filter with back washing function | |
| CN214004231U (en) | Commercial purifier that filter effect is fast | |
| CN205616657U (en) | Self -cleaning water purifier device | |
| CN213446766U (en) | Urban sewer sludge purification device | |
| CN217567695U (en) | Filter | |
| CN202336295U (en) | Microfiltration membrane filter | |
| CN206424676U (en) | One kind passes through the easily changeable filter of joint | |
| CN203208750U (en) | Disposable water purifier | |
| CN202620841U (en) | Modified polymer filter unit | |
| CN221656274U (en) | Water purifier equipment with backwashing function at tail end of water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170426 Assignee: Guangdong Meina Technology Co.,Ltd. Assignor: NANJING HEICHENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Contract record no.: X2024980010238 Denomination of invention: A filter device with easily replaceable filter element Granted publication date: 20181116 License type: Common License Record date: 20240719 |
|
| EE01 | Entry into force of recordation of patent licensing contract |