CN211445255U - Water purifying device with double-way flushing - Google Patents
Water purifying device with double-way flushing Download PDFInfo
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- CN211445255U CN211445255U CN201921813915.9U CN201921813915U CN211445255U CN 211445255 U CN211445255 U CN 211445255U CN 201921813915 U CN201921813915 U CN 201921813915U CN 211445255 U CN211445255 U CN 211445255U
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Abstract
This paper provides a purifier that two-way was washed, includes: a shell with a first mounting cavity formed inside, wherein the shell is provided with a raw water inlet, a pure water outlet and a concentrated water outlet; the annular filter screen assembly is arranged in the first mounting cavity, a raw water circulation channel is formed between the filter screen assembly and the side wall of the shell, and a raw water inlet is communicated with the raw water circulation channel; the reverse osmosis membrane is arranged in the filter screen assembly, a concentrated water circulation channel and a pure water circulation channel are arranged in the reverse osmosis membrane, a concentrated water outlet is communicated with the concentrated water circulation channel, and a pure water outlet is communicated with the pure water circulation channel; and a blowoff valve having a first inlet and a waste discharge port, a filtered water flow path being formed between the reverse osmosis membrane and the filter screen assembly, the first inlet being communicated with one of the raw water flow path and the filtered water flow path, the waste discharge port being communicated with the outside. The service life of the water purifying device is longer.
Description
Technical Field
The utility model relates to a water purification treatment technical field, more specifically relates to a purifier that double-circuit washed.
Background
For a water purifier product, a filter element on the water purifier product belongs to a consumable and needs to be replaced after being used for a period of time, so that the service life of the filter element and the replacement cost of the replacement core become the common pain points of consumers and manufacturers.
With the arrival of the times of large-flux water purifiers, the composite filter element has come into play, and the composite filter element has a large volume, so that the service life is prolonged compared with the conventional filter element, but the problems are not fundamentally solved, the filtered impurities still remain on the outer surface of the filter element, and the service life of the filter element is still not very long.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a purifier that double-circuit washed, its life is more permanent.
The embodiment of the utility model provides a purifier that double-circuit washed, include: the device comprises a shell, a water inlet, a pure water outlet and a concentrated water outlet, wherein a first mounting cavity is formed in the shell; the annular filter screen assembly is arranged in the first mounting cavity, a raw water circulation channel is formed between the filter screen assembly and the side wall of the shell, and the raw water inlet is communicated with the raw water circulation channel; the reverse osmosis membrane is arranged in the filter screen assembly, a concentrated water circulation channel and a pure water circulation channel are arranged in the reverse osmosis membrane, the concentrated water outlet is communicated with the concentrated water circulation channel, and the pure water outlet is communicated with the pure water circulation channel; and a blowoff valve having a first inlet and a waste discharge port, the reverse osmosis membrane with a filtered water circulation passage is formed between the filter screen assemblies, the first inlet is communicated with one of the raw water circulation passage and the filtered water circulation passage, and the waste discharge port is communicated with the outside.
Optionally, the blowoff valve further has a second inlet communicated with the other of the raw water flow passage and the filtered water flow passage, and the first inlet and the second inlet are switchably communicated with the waste discharge port.
Optionally, the raw water inlet is communicated with an upper end of the raw water flow passage, the first inlet is communicated with a lower end of the raw water flow passage, and the second inlet is communicated with a lower end of the filtered water flow passage.
Optionally, the waste valve comprises: the valve seat is provided with the first inlet, the second inlet and the waste discharge port; the valve core is rotatably arranged in the valve seat, and a communication channel is arranged on the valve core; when the valve core rotates to a first position, the communication channel is communicated with the first inlet and the waste discharge port; when the valve core rotates to the second position, the communication channel is communicated with the second inlet and the waste discharge port.
Optionally, the waste valve further comprises: and the knob is positioned outside the valve seat, is connected with the valve core and is used for driving the valve core to rotate.
Optionally, a matching part is arranged on the knob, and a first limiting part and a second limiting part are arranged on the valve seat; when the knob rotates to enable the matching part to abut against the first limiting part, the valve core is positioned at the first position; when the knob rotates to enable the matching part to abut against the second limiting part, the valve core is positioned at the second position.
Optionally, a second installation cavity is further formed in the housing, the valve seat and the valve core are located in the second installation cavity, and the knob is located outside the second installation cavity.
Optionally, a first sealing ring and a second sealing ring are arranged between the valve core and the valve seat, the second sealing ring is located at a joint between the first inlet, the second inlet, the waste discharge port and the communication channel, and the first sealing ring is located above the communication channel.
Optionally, the blowdown valve is a two-position three-way valve or a three-position three-way valve.
Optionally, the blowdown valve is a manual valve or an electrically controlled valve.
Optionally, the water purification unit further comprises: and the second sewage discharging valve is provided with a third inlet and a second sewage discharging port, the third inlet is communicated with the other one of the raw water circulating channel and the filtered water circulating channel, and the second sewage discharging port is communicated with the outside.
The embodiment of the utility model provides a purifier that double-circuit washed, raw water is in the raw water circulation passageway is supplied from the raw water import, after carrying out the primary filtration through the filter screen subassembly, carry out the secondary filtration through reverse osmosis membrane again, the concentrated water that forms is located the concentrated water circulation passageway, finally can discharge from the concentrated water export, the pure water that forms is located the pure water circulation passageway, finally discharge from the pure water export, the first-order filter residue that filters out is located the lateral surface of filter screen subassembly, the second-order filter residue that filters out is located the lateral surface of reverse osmosis membrane, if first import and raw water circulation passageway communicate, open the blowoff valve, the raw water that enters into the raw water circulation passageway washes away the lateral surface of filter screen subassembly, the first-order filter residue that is washed away washes away is washed away through the waste discharge outlet from first import, if first import and filter water circulation passageway communicate, open the blowoff valve, the raw water after filter screen subassembly washes away, the second grade filter residue that is washed away is washed out through the waste discharge mouth from first import, all can promote purifier's life, purifier's life is more permanent.
Further, the blowoff valve is also provided with a second inlet, the second inlet is communicated with the other one of the raw water flow channel and the filtered water flow channel, and the first inlet and the second inlet are communicated with the waste discharge port in a switchable manner.
The drain valve is used for communicating the first inlet with the waste discharge port, raw water entering the raw water circulation channel washes the outer side surface of the filter screen assembly, washed primary filter residue is washed out from the first inlet through the waste discharge port, and the primary filter residue is removed, so that the service life of the filter screen assembly is prolonged, and the purpose of prolonging the service life of the filter screen assembly is achieved; the blowoff valve communicates the second import with the waste discharge opening, and the raw water after filter screen assembly filters erodes reverse osmosis membrane's lateral surface in crossing water circulation passageway, and the second grade filter residue that is washed away is washed out through the waste discharge opening from the second import, clears away the second grade filter residue to this promotes reverse osmosis membrane's life, thereby reaches extension reverse osmosis membrane life's purpose. The filter screen assembly can comprise a metal filter screen positioned on the outer layer and a filter element positioned on the inner layer.
Further, the raw water inlet is communicated with the upper end of the raw water circulation channel, the first inlet is communicated with the lower end of the raw water circulation channel, the second inlet is communicated with the lower end of the filtered water circulation channel, and when the first-level filter residue and the second-level filter residue are washed and removed, the first-level filter residue and the second-level filter residue are more easily discharged outwards from the drain valve under the action of gravity and downward scouring force, so that the primary filter residue is prevented from being accumulated at the bottom of the raw water circulation channel in a large amount, and the secondary filter residue is prevented from being accumulated at the bottom of the.
Furthermore, a second sealing ring is arranged between the two ends of the communicating channel and the valve seat, the second sealing ring is positioned at the joint between the first inlet, the second inlet, the waste discharge port and the communicating channel, a first sealing ring is arranged between the valve core and the valve seat, and the first sealing ring is positioned above the second sealing ring, so that the sealing performance of the blow-down valve is better improved.
Furthermore, a matching part is arranged on the knob, and a first limiting part and a second limiting part are arranged on the valve seat; when the knob rotates forwards to enable the matching part to abut against the first limiting part, the valve core is positioned at a first position; when the knob rotates reversely to enable the matching part to abut against the second limiting part, the valve core is positioned at the second position.
Furthermore, cooperation portion is the projection, is provided with curved protruding muscle on the disk seat, and protruding muscle and projection interval set up in circumference, and the spacing portion of first spacing portion and second is located the circumference both ends of protruding muscle.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.
Fig. 1 is a schematic cross-sectional view of a two-way flushing water purifying device according to an embodiment of the present invention, wherein arrows indicate the flowing direction of water during water purification;
FIG. 2 is a perspective view of the waste valve of FIG. 1;
FIG. 3 is an exploded view of the waste valve of FIG. 1;
FIG. 4 is a perspective view of the valve seat of FIG. 3;
fig. 5 is a schematic sectional view of a part of a water purifying apparatus according to another embodiment of the present invention, wherein the second stage filter residue is flushed out, and the arrow indicates the flow direction of the second stage filter residue;
fig. 6 is a schematic sectional view of a part of the water purification apparatus shown in fig. 5 in another use state, in which the first stage residue is washed out and the arrows indicate the flow direction of the first stage residue.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:
100 casing, 110 first installation cavity, 120 second installation cavity, 130 raw water import, 140 pure water export, 150 thick water export, 160 raw water circulation passageway, 170 filtration water circulation passageway, 200 filter screen subassembly, 300 reverse osmosis membrane, 310 thick water circulation passageway, 320 pure water circulation passageway, 400 blowoff valve, 410 first import, 420 second import, 430 drain, 440 valve seat, 441 protruding muscle, 450 case, 451 intercommunication passageway, 460 knob, 461 projection, 470 first sealing washer, 480 second sealing washer, 490 fixed plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The embodiment of the utility model provides a purifier that double-circuit washed, as shown in figure 1, include: a housing 100 having a first mounting chamber 110 formed therein, the housing 100 being provided with a raw water inlet 130, a pure water outlet 140, and a concentrated water outlet 150; an annular filter screen assembly 200 disposed in the first mounting chamber 110, a raw water flow passage 160 formed between the filter screen assembly 200 and the sidewall of the housing 100, and a raw water inlet 130 communicated with the raw water flow passage 160; an annular reverse osmosis membrane 300 disposed in the filter screen assembly 200, the reverse osmosis membrane 300 having a concentrated water flow channel 310 and a pure water flow channel 320 therein, the concentrated water flow channel 310 circumferentially covering the pure water flow channel 320, a concentrated water outlet 150 communicating with the concentrated water flow channel 310, and a pure water outlet 140 communicating with the pure water flow channel 320; and a filth discharge valve 400 having a first inlet 410 and a waste discharge port 430, a filtered water flow path 170 is formed between the reverse osmosis membrane 300 and the filter screen assembly 200, the first inlet 410 is communicated with one of the raw water flow path 160 and the filtered water flow path 170, and the waste discharge port 430 is communicated with the outside.
This purifier, the raw water supplies in raw water circulation passageway 160 from raw water import 130, after filter screen subassembly 200 carries out the primary filtration, carry out the secondary filtration through reverse osmosis membrane 300 again, finally form concentrated water in concentrated water circulation passageway 310, form the pure water in pure water circulation passageway 320, concentrated water can discharge from concentrated water export 150, the pure water can discharge from pure water export 140, the one-level filter residue that filters out is located filter screen subassembly 200's lateral surface, the second grade filter residue that filters out is located reverse osmosis membrane 300's lateral surface, open blowoff valve 400 and can arrange one-level filter residue or second grade filter residue outward. Namely:
if the first inlet 410 is communicated with the raw water circulation passage 160, the blowoff valve 400 is opened, the raw water entering the raw water circulation passage 160 washes the outer side surface of the filter screen assembly 200, and the washed first-stage filter residue is washed out from the first inlet 410 through the waste discharge port 430, so that the service life of the water purification device is prolonged, and the service life of the water purification device is longer;
if the first inlet 410 is communicated with the filtered water circulation passage 170, the blowoff valve 400 is opened, the raw water filtered by the filter screen assembly 200 washes the outer side surface of the reverse osmosis membrane 300 in the filtered water circulation passage 170, and the washed second-stage filter residue is washed out from the first inlet 410 through the waste discharge port 430, so that the service life of the water purification device is prolonged, and the service life of the water purification device is longer.
This blowoff valve 400 is manual valve or automatically controlled valve etc. all can realize the purpose of this application, and its purpose does not break away from the utility model discloses a design idea, no longer gives unnecessary details here, all should belong to the protection scope of this application.
In an exemplary embodiment, the water purifying apparatus further includes a second drain valve (not shown) having a third inlet and a second drain port, the third inlet communicating with the other of the raw water flow path and the filtered water flow path, the second drain port communicating with the outside, the first residue and the second residue being discharged by opening the drain valve and the second drain valve, the drain valve and the second drain valve preferably being independently opened so that the first residue and the second residue are more easily washed down.
This blowoff valve 400 and second blowoff valve can be configured to two-position two-way manual valve or two-position two-way electric control valve etc. and all can realize the purpose of this application, and its purpose does not break away from the utility model discloses a design idea is no longer repeated herein, all should belong to the protection scope of this application.
In another exemplary embodiment, as shown in fig. 1 to 4, the filth discharge valve 400 further has a second inlet port 420, the second inlet port 420 communicating with the other one of the raw water flow path 160 and the filtered water flow path 170, and the first inlet port 410 and the second inlet port 420 switchably communicating with the waste discharge port 430.
As shown in fig. 6, the blowoff valve 400 communicates the first inlet 410 with the waste discharge port 430, raw water entering the raw water circulation passage 160 washes the outer side surface of the filter screen assembly 200, and the washed first-stage filter residue is washed out from the first inlet 410 through the waste discharge port 430, and the first-stage filter residue is removed, so as to improve the service life of the filter screen assembly 200, thereby achieving the purpose of prolonging the service life of the filter screen assembly 200;
as shown in fig. 5, the blowoff valve 400 communicates the second inlet 420 with the waste discharge port 430, the raw water filtered by the filter screen assembly 200 washes the outer side surface of the reverse osmosis membrane 300 in the filtered water circulation passage 170, and the washed second-stage filter residue is washed out from the second inlet 420 through the waste discharge port 430, so as to clear the second-stage filter residue, thereby prolonging the service life of the reverse osmosis membrane 300, and achieving the purpose of prolonging the service life of the reverse osmosis membrane 300. The filter screen assembly 200 may include a metal filter screen at an outer layer and a filter element at an inner layer.
As shown in fig. 1, the raw water inlet 130 is communicated with the upper end of the raw water circulation passage 160, the first inlet 410 is communicated with the lower end of the raw water circulation passage 160, and the second inlet 420 is communicated with the lower end of the filtered water circulation passage 170, so that when the first-stage filter residue and the second-stage filter residue are washed and removed, the first-stage filter residue and the second-stage filter residue are more easily discharged from the blowoff valve 400 under the action of gravity and downward flushing force, thereby preventing the first-stage filter residue from being accumulated at the bottom of the raw water circulation passage 160 in a large amount and also preventing the second-stage filter residue from being accumulated at the.
As shown in fig. 2 to 4, the waste valve 400 may include: a valve seat 440 provided with a first inlet 410, a second inlet 420 and a waste outlet 430, the first inlet 410, the second inlet 420 and the waste outlet 430 being spaced apart from each other in a circumferential direction of the valve seat 440; the valve core 450 is rotatably arranged in the valve seat 440, the valve core 450 is provided with a communication channel 451, when the valve core 450 rotates to a first position, the communication channel 451 is communicated with the first inlet 410 and the waste discharge port 430, and at the moment, the second inlet 420 is blocked by the valve core 450; when the valve core 450 rotates to the second position, the communication channel 451 is communicated with the second inlet 420 and the waste discharge port 430, and the first inlet 410 is blocked by the valve core 450; and a knob 460 located outside the valve seat 440 and connected to the valve core 450, wherein the knob 460 is rotated to rotate the valve core 450. A fixing plate 490 is also provided between the knob 460 and the valve seat 440.
Preferably, as shown in fig. 3, a second sealing ring 480 is disposed between both ends of the communication passage 451 and the valve seat 440, the second sealing ring 480 is located at a connection between the first inlet 410, the second inlet 420, the waste discharge port 430 and the communication passage 451, a first sealing ring 470 is disposed between the valve core 450 and the valve seat 440, and the first sealing ring 470 is located above the second sealing ring 480, so as to improve the sealing performance of the waste valve 400.
Preferably, as shown in fig. 2 to 4, the knob 460 is provided with a matching portion, and the valve seat 440 is provided with a first limiting portion and a second limiting portion; when the knob 460 rotates forward to make the matching part abut against the first limiting part, the valve core 450 is positioned at the first position; when the knob 460 rotates in the opposite direction to make the engaging portion abut against the second position-limiting portion, the valve core 450 is located at the second position. The cooperation portion is convex column 461, is provided with curved protruding muscle on the valve seat 440, and protruding muscle 441 and convex column 461 set up at the interval in circumference, and first spacing portion and the spacing portion of second are located the circumference both ends of protruding muscle 441.
The blowoff valve 400 may be installed outside the housing 100, and the blowoff valve 400 is configured as a manual valve or an electric control valve, such as a two-position three-way manual valve or a two-position three-way electromagnetic valve; alternatively, the waste valve 400 may be installed in the housing 100, and the waste valve 400 may be configured as an electrically controlled valve, such as a two-position three-way solenoid valve; alternatively, as shown in fig. 1, a second installation cavity 120 is further formed in the housing 100, the second installation cavity 120 is located below the first installation cavity 110, the valve seat 440 and the valve core 450 are fixed in the second installation cavity 120, the knob 460 is located outside the second installation cavity 120, so that a user can conveniently and manually rotate the knob 460, and the waste-discharging valve 400 is a two-position three-way manual valve; the above can achieve the purpose of the present application, and the purpose of the present application does not depart from the design concept of the present invention, which is not repeated herein, and all should fall within the protection scope of the present application.
The two-position three-way valve (including the two-position three-way manual valve or the two-position three-way electromagnetic valve) in the above embodiment may block the waste discharge port 430 by blocking when the waste valve 400 is not in use, so as to close the waste valve 400. Of course, also can adopt the use of tribit three-way valve replacement two-position three-way valve, the tribit three-way valve has the turn-off position to save and block up, also can realize the purpose of this application, its purpose does not break away from the utility model discloses a design idea is no longer repeated here, all should belong to the protection scope of this application. The three-position three-way valve may be configured as a three-position three-way manual valve and the three-position three-way valve may be configured as a three-position three-way solenoid valve.
To sum up, the embodiment of the present invention provides a water purifying device, raw water is fed into a raw water circulation channel from a raw water inlet, and after primary filtration is performed by a filter screen assembly, secondary filtration is performed by a reverse osmosis membrane, the formed concentrated water is located in the concentrated water circulation channel and can be discharged from a concentrated water outlet, the formed pure water is located in the pure water circulation channel and is discharged from a pure water outlet, the filtered primary filter residue is located on the outer side surface of the filter screen assembly, the filtered secondary filter residue is located on the outer side surface of the reverse osmosis membrane, if the first inlet is communicated with the raw water circulation channel, a blowoff valve is opened, the raw water entering the raw water circulation channel washes the outer side surface of the filter screen assembly, the washed primary filter residue is washed away from the first inlet through a waste discharge port, if the first inlet is communicated with the raw water circulation channel, the blowoff valve is opened, the raw water filtered by the filter screen assembly washes the outer, the second grade filter residue that is washed away is washed out through the waste discharge mouth from first import, all can promote purifier's life, purifier's life is more permanent.
In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A water purification unit that double-circuit washed, its characterized in that includes:
the device comprises a shell, a water inlet, a pure water outlet and a concentrated water outlet, wherein a first mounting cavity is formed in the shell;
the annular filter screen assembly is arranged in the first mounting cavity, a raw water circulation channel is formed between the filter screen assembly and the side wall of the shell, and the raw water inlet is communicated with the raw water circulation channel;
the reverse osmosis membrane is arranged in the filter screen assembly, a concentrated water circulation channel and a pure water circulation channel are arranged in the reverse osmosis membrane, the concentrated water outlet is communicated with the concentrated water circulation channel, and the pure water outlet is communicated with the pure water circulation channel; and
a blow-down valve having a first inlet and a waste outlet, the blow-down valve
A filtered water circulation channel is formed between the reverse osmosis membrane and the filter screen assembly, the first inlet is communicated with one of the raw water circulation channel and the filtered water circulation channel, and the waste discharge port is communicated with the outside.
2. The water purification apparatus of claim 1, wherein the waste valve further has a second inlet port communicating with the other of the raw water flow path and the filtered water flow path, the first inlet port and the second inlet port being in switchable communication with the waste outlet port.
3. The water purifying apparatus as claimed in claim 2, wherein the raw water inlet communicates with an upper end of the raw water flow passage, the first inlet communicates with a lower end of the raw water flow passage, and the second inlet communicates with a lower end of the filtered water flow passage.
4. The water purification apparatus of claim 2 or 3, wherein the blowdown valve comprises:
the valve seat is provided with the first inlet, the second inlet and the waste discharge port; and
the valve core is rotatably arranged in the valve seat and is provided with a communication channel;
when the valve core rotates to a first position, the communication channel is communicated with the first inlet and the waste discharge port; when the valve core rotates to the second position, the communication channel is communicated with the second inlet and the waste discharge port.
5. The water purification apparatus of claim 4, wherein the blowdown valve further comprises:
and the knob is positioned outside the valve seat, is connected with the valve core and is used for driving the valve core to rotate.
6. The water purifying device of claim 5, wherein the knob is provided with a matching part, and the valve seat is provided with a first limiting part and a second limiting part;
when the knob rotates to enable the matching part to abut against the first limiting part, the valve core is positioned at the first position; when the knob rotates to enable the matching part to abut against the second limiting part, the valve core is positioned at the second position.
7. The water purifying device of claim 5, wherein a second installation cavity is further formed in the housing, the valve seat and the valve core are located in the second installation cavity, and the knob is located outside the second installation cavity.
8. The water purification apparatus of claim 4,
a first sealing ring and a second sealing ring are arranged between the valve core and the valve seat, the second sealing ring is positioned at the joint between the first inlet, the second inlet, the waste discharge port and the communicating channel, and the first sealing ring is positioned above the communicating channel.
9. The water purification apparatus of claim 4, wherein the blowdown valve is a two-position three-way valve or a three-position three-way valve.
10. The water purification unit of claim 1, further comprising:
and the second sewage discharging valve is provided with a third inlet and a second sewage discharging port, the third inlet is communicated with the other one of the raw water circulating channel and the filtered water circulating channel, and the second sewage discharging port is communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813915.9U CN211445255U (en) | 2019-10-25 | 2019-10-25 | Water purifying device with double-way flushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813915.9U CN211445255U (en) | 2019-10-25 | 2019-10-25 | Water purifying device with double-way flushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211445255U true CN211445255U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921813915.9U Active CN211445255U (en) | 2019-10-25 | 2019-10-25 | Water purifying device with double-way flushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211445255U (en) |
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2019
- 2019-10-25 CN CN201921813915.9U patent/CN211445255U/en active Active
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Effective date of registration: 20230911 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |
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| TR01 | Transfer of patent right |