CN110898512A - Novel just, adorn environmental protection water treatment facilities - Google Patents
Novel just, adorn environmental protection water treatment facilities Download PDFInfo
- Publication number
- CN110898512A CN110898512A CN201911220439.4A CN201911220439A CN110898512A CN 110898512 A CN110898512 A CN 110898512A CN 201911220439 A CN201911220439 A CN 201911220439A CN 110898512 A CN110898512 A CN 110898512A
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- water treatment
- ring
- mounting
- filter element
- matched
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 230000007613 environmental effect Effects 0.000 title claims description 6
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 18
- 239000011324 bead Substances 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 208000032825 Ring chromosome 2 syndrome Diseases 0.000 description 8
- 238000005457 optimization Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- 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
- B01D35/30—Filter housing constructions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses novel conveniently-installed environment-friendly water treatment equipment, which structurally comprises a water inlet pipe, a mounting ring, a mounting device, a filter element assembly and a water treatment machine body, wherein the water inlet pipe communicated with the filter element assembly is arranged at one end of the water treatment machine body, one end of the filter element assembly is connected with the water treatment machine body, and the other end of the filter element assembly is connected with the mounting ring. According to the invention, through the combined arrangement of the mounting ring body, the positioning groove, the mounting hole, the winding power set, the fixed ring and the clamping set, the mounting and dismounting are simple, the filter element assembly can be freely and quickly mounted and dismounted, accumulated impurities can be timely cleaned, and the improvement of water treatment efficiency and water treatment effect is facilitated.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to novel conveniently-installed environmental protection water treatment equipment.
Background
The environmental protection is the subject of the world at present, and is the core development problem of all industries, the waste water and waste liquid produced in the industrial production process contain industrial production materials, intermediate products, byproducts which are lost along with water and pollutants produced in the production process, and the waste water needs to be treated because the industrial waste water contains various toxic substances which pollute the environment and are harmful to human health.
Filter element group spare among the water treatment facilities generally just must be changed, washs with two months, and current filter element group spare loading and unloading are comparatively loaded down with trivial details, can not be free, fast loading and unloading, appear when impurity piles up when water treatment, can not in time clear up to can cause water treatment effeciency low, water treatment effect descends.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide novel environment-friendly water treatment equipment convenient to mount.
The invention is realized by adopting the following technical scheme: a novel conveniently-installed environment-friendly water treatment device structurally comprises a water inlet pipe, a mounting ring, a mounting device, a filter element assembly and a water treatment machine body, wherein the water inlet pipe communicated with the filter element assembly is arranged at one end of the water treatment machine body;
the mounting ring comprises a mounting ring body, positioning grooves and mounting holes, the mounting holes are formed in four square positions of the mounting ring body, the positioning groove is formed between every two adjacent mounting holes, and the positioning grooves and the mounting holes are matched with the mounting device;
the installation device is including rolling power pack, retaining ring, screens group, all install the screens group on four square positions of retaining ring, the screens group all cooperatees with rolling power pack, rolling power pack is connected with the retaining ring, the outer wall of retaining ring and the inner wall fixed connection of the water treatment machine body, the screens group cooperates with the mounting hole.
As an optimization, the rolling power pack comprises a telescopic pressing type rotating wheel, an upper wheel, a connecting rope, a rotating shaft and a lower wheel, the telescopic pressing type rotating wheel is vertically connected with the rotating shaft, the upper wheel and the lower wheel are excessively matched on the rotating shaft, one end of the connecting rope is connected with the upper wheel, the other end of the connecting rope is connected with the lower wheel, the rotating shaft is connected with a fixed ring, and the connecting rope is matched with a clamping group.
As optimizing, the stationary ring is including ring body, sealing washer, locating piece, activity mouth, recess, stopper, the inner circle wall of ring body is fixed with the sealing washer, the activity mouth has all been seted up to four square positions of the inner circle wall of ring body, adjacent two be provided with the locating piece between the activity mouth, locating piece and ring body structure as an organic whole, the both ends of activity mouth all are equipped with the stopper, stopper and ring body fixed connection, the ring body top surface seted up rather than the communicating recess in inside, the outer wall of ring body and the inner wall fixed connection of the water treatment machine body, locating piece and constant head tank looks block.
Preferably, the clamping group comprises a clamping bead, a spring and a guide rod, the guide rod penetrates through the clamping bead and is in clearance fit with the clamping bead, the clamping bead penetrates through the spring, the spring is connected with the ring body, the clamping bead can be in clearance fit with the movable port, and the clamping bead is in clearance fit with the connecting rope.
As optimization, the card pearl is including spacing dish, semicircle orifice, passageway, card pearl body, half slot, spacing dish is connected with the card pearl body perpendicularly, the half slot has been seted up in the card pearl body, the half slot is corresponding with the semicircle orifice, the semicircle orifice sets up on the spacing dish of structure as an organic whole with it, two be equipped with the passageway between the semicircle orifice, the passageway is located in the spacing dish, even the rope runs through in the passageway that adopts clearance fit with it, semicircle orifice and guide bar cooperation.
As optimization, the guide rod comprises a limiting plate and a semicircular rod, the semicircular rod is vertically connected to the limiting plate, and the semicircular rod penetrates through a semicircular hole and a semicircular groove which are in clearance fit with the semicircular rod.
As optimization, the center of the groove is provided with an axial hole, tooth grooves are uniformly distributed on the edge of the groove, the tooth grooves form a gear-shaped structure, and the tooth grooves can be matched with the telescopic pressing type rotating wheel.
Preferably, the telescopic pressing type rotating wheel is externally provided with a tooth block which is of an integrated structure, and the tooth block is matched with the tooth groove.
Advantageous effects
The filter element group spare that will have the collar, the first fixed of collar and installation device is realized to block through constant head tank and locating piece, pull out flexible push type runner again, rotate flexible push type runner, make the pivot rotatory thereupon, thereby make the upper round, the lower round takes place the linkage, and then will even the rope rolls, it then produces pressure to the card pearl to even the rope rolling, make the card pearl body at the half slot, the semicircle orifice, the guide effect of semicircle pole is overhanging to the expansion gap down, receive the restriction of stopper until spacing dish, and the card pearl body just passes the mounting hole and realizes the refastening of collar and fixed ring, the installation is more firm, pressing flexible push type runner, hide flexible push type runner, make tooth piece and tooth's socket cooperation, thereby spacing to flexible push type runner is fixed, prevent to adjust back flexible runner emergence rotation.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the combined arrangement of the mounting ring body, the positioning groove, the mounting hole, the winding power set, the fixed ring and the clamping set, the mounting and dismounting are simple, the filter element assembly can be freely and quickly mounted and dismounted, accumulated impurities can be timely cleaned, and the improvement of water treatment efficiency and water treatment effect is facilitated.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a novel environment-friendly water treatment device convenient to mount.
Fig. 2 is a schematic view of the internal first operating state of the mounting device of the present invention.
Fig. 3 is a schematic view of the second operating state of the interior of the mounting device of the present invention.
Fig. 4 is a schematic structural view of the stationary ring of the present invention.
Fig. 5 is a schematic structural view of the winding power pack of the present invention.
FIG. 6 is a schematic view of a first cross-section of a cartridge of the present invention.
FIG. 7 is a schematic diagram showing a second cross-section of the card bead of the present invention.
Fig. 8 is a schematic structural view of the guide bar of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
a water inlet pipe-1, a mounting ring-2, a mounting device-3, a filter element component-4, a water treatment machine body-5, a mounting ring body-21, a positioning groove-22, a mounting hole-23, a winding power set-V1, a fixed ring-V2, a clamping set-V3, a telescopic pressing type rotating wheel-V11, an upper wheel-V12, a connecting rope-V13, a rotating shaft-V14 and a lower wheel-V15, a ring body-V21, a sealing ring-V22, a positioning block-V23, a movable opening-V24, a groove-V25, a limiting block-V26, a clamping bead-V31, a spring-V32, a guide rod-V33, a limiting disc-311, a semicircular hole-312, a channel-313, a clamping bead body-314, a semicircular groove-315, a limiting plate-331 and a semicircular rod-332.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-8, the present invention provides a technical solution of a novel environment-friendly water treatment facility for convenient installation: the water treatment device structurally comprises a water inlet pipe 1, a mounting ring 2, a mounting device 3, a filter element assembly 4 and a water treatment machine body 5, wherein the water inlet pipe 1 communicated with the filter element assembly 4 is arranged at one end of the water treatment machine body 5, one end of the filter element assembly 4 is connected with the water treatment machine body 5, the mounting ring 2 is connected with the mounting device 3 in a movable mode, and the mounting device 3 is fixedly connected with the inner wall of the water treatment machine body 5;
the mounting ring 2 comprises a mounting ring body 21, positioning grooves 22 and mounting holes 23, the mounting holes 23 are formed in four square positions of the mounting ring body 21, the positioning grooves 22 are formed between every two adjacent mounting holes 23, the positioning grooves 22 and the mounting holes 23 are matched with the mounting device 4, the mounting holes 23 and the positioning grooves 22 are arranged to clamp the mounting device 4, and the mounting is stable to mount.
The winding power group V1 comprises a telescopic pressing type rotating wheel V11, an upper wheel V12, a connecting rope V13, a rotating shaft V14 and a lower wheel V15, the telescopic pressing type rotating wheel V11 is vertically connected with the rotating shaft V14, the rotating shaft V14 is excessively matched with an upper wheel V12 and a lower wheel V15, one end of the connecting rope V13 is connected with the upper wheel V12, the other end of the connecting rope V13 is connected with the lower wheel V15, the rotating shaft V14 is connected with a fixed ring V2, the connecting rope V13 is matched with a clamping group V3, and the connecting rope V13 is combined with the upper wheel V12 and the lower wheel V15 and can synchronously release the connecting rope V13 through winding and unwinding of a group, so that force is applied to the clamping rope V3, four groups of clamping V3 can synchronously extend or retract, and installation efficiency is improved.
The fixed ring V2 comprises a ring body V21, a sealing ring V22, a positioning block V23, a movable opening V24, a groove V25 and a limiting block V26, the sealing ring V22 is fixed on the inner ring wall of the ring body V21, four square positions of the inner ring wall of the ring body V21 are provided with movable openings V24, a positioning block V23 is arranged between two adjacent movable openings V24, the positioning block V23 and the ring body V21 are of an integrated structure, two ends of the movable opening V24 are provided with limiting blocks V26, the limiting blocks V26 and the ring body V21 are fixedly connected, the top surface of the ring body V21 is provided with a groove V25 communicated with the inside of the ring body V, the outer wall of the ring body V21 is fixedly connected with the inner wall of the water treatment machine body 6, the positioning block V21 is clamped with the positioning groove 22, the sealing ring V21 is arranged to increase the sealing performance of the installation of the fixed ring V21 and the installation ring 2, so as to effectively prevent the water treatment groove 3622, so that the installed blocking group V3 can correspond to the movable opening V24.
The clamping group V3 includes card pearl V31, spring V32, guide bar V33, guide bar V33 runs through in card pearl V31 and both adopt clearance fit, card pearl V31 runs through in spring V32, spring V32 and ring body V21 be connected, card pearl V31 can adopt clearance fit with activity mouth V24, card pearl V31 and rope V13 cooperation, the automatic re-setting of card pearl V31 is convenient for in the setting of spring V32, does benefit to quick replacement filter core.
The card pearl V31 is including spacing dish 311, semicircle orifice 312, passageway 313, card pearl body 314, half slot 315, spacing dish 311 is connected with card pearl body 314 perpendicularly, half slot 315 has been seted up in the card pearl body 314, half slot 315 is corresponding with semicircle orifice 312, semicircle orifice 312 sets up on spacing dish 311 with it as an organic whole structure, two be equipped with passageway 313 between the semicircle orifice 312, passageway 313 is located in spacing dish 311, it runs through in the passageway 313 that adopts clearance fit with it to link rope V13, semicircle orifice 312, semicircle slot 315 and guide bar V33 cooperate, setting up of spacing dish 311 lies in playing spacing effect to card pearl body 314, effectively prevents that card pearl body 314 from breaking away from activity mouth V24, setting up of passageway 313 lies in can holding and links rope V13, is convenient for link rope V13 to the application of force of card pearl V31.
The guide bar V33 is including limiting plate 331, semicircle pole 332, be connected with semicircle pole 332 on the limiting plate 331 perpendicularly, semicircle pole 332 run through in with clearance fit's semicircle orifice 312, half slot 315 between, setting up of semicircle pole 332 lies in playing the effect of direction to card pearl V31, does benefit to better, more accurately pass activity mouth V24 of card pearl V31.
The center of the groove V25 is provided with a shaft center hole 251, tooth grooves 252 are uniformly distributed on the edge of the groove V25, the tooth grooves 252 form a gear-shaped structure, the tooth grooves 252 can be matched with the telescopic pressing type rotating wheel V11, and the groove V25 is arranged in a manner of hiding the telescopic pressing type rotating wheel V11.
The outside of the telescopic pressing type rotating wheel V11 is provided with a tooth block 111 which is integrated with the telescopic pressing type rotating wheel V11, and the tooth block 111 is matched with the tooth groove 252.
The combination of the tooth groove 252 and the tooth block 111 is arranged in the limit fixing of the telescopic pressing type rotating wheel V11, so that the telescopic pressing type rotating wheel V11 is prevented from rotating after adjustment.
The working principle of the invention is as follows: the filter element assembly 4 with the installation ring 2 is clamped with the positioning groove 22 and the positioning block V23 to realize initial fixation of the installation ring 2 and the installation device 3, the telescopic pressing type rotating wheel V11 is pulled out, the telescopic pressing type rotating wheel V11 is rotated to enable the rotating shaft V14 to rotate along with the rotating shaft, so that the upper wheel V12 and the lower wheel V15 are linked, the connecting rope V13 is wound, the connecting rope V13 is wound to generate pressure on the clamping bead V31, the clamping bead body 314 extends outwards towards the movable opening V24 under the guiding action of the semicircular groove 315, the semicircular hole 312 and the semicircular rod 332 until the limiting disc 311 is limited by the limiting block V26, the clamping bead body 314 just passes through the installation hole 23 to realize the re-fixation of the installation ring 2 and the positioning ring V2, the installation is more stable, the telescopic pressing type rotating wheel V11 is pressed, the telescopic pressing type rotating wheel V11 is hidden, the tooth space 252 is matched with the tooth space 252, thereby fixing the telescopic rotating wheel pressing type V11, the telescopic pressing type rotating wheel V11 is prevented from rotating after adjustment.
In summary, the technical progress obtained by the invention compared with the prior art is as follows: according to the invention, through the combined arrangement of the mounting ring body, the positioning groove, the mounting hole, the winding power set, the fixed ring and the clamping set, the mounting and dismounting are simple, the filter element assembly can be freely and quickly mounted and dismounted, accumulated impurities can be timely cleaned, and the improvement of water treatment efficiency and water treatment effect is facilitated.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a novel just, adorn environmental protection water treatment facilities, its structure is including inlet tube (1), collar (2), installation device (3), filter element group spare (4), water treatment machine body (5) one end be provided with the communicating inlet tube (1) of filter element group spare (4), place in filter element group spare (4) the water treatment machine body (5) that link to each other with it, filter element group spare (4) connect can dismantle collar (2) of being connected with installation device (3), installation device (3) are fixed in water treatment machine body (5), its characterized in that:
the mounting ring (2) comprises a mounting ring body (21), positioning grooves (22) and mounting holes (23), the mounting ring body (21) is provided with four mounting holes (23) and four positioning grooves (22) which are arranged in a staggered mode, and the positioning grooves (22) and the mounting holes (23) are matched with the mounting device (4);
installation device (4) are including rolling power pack (V1), stationary ring (V2), screens group (V3), four groups and rolling power pack (V1) complex screens group (V3) are installed to stationary ring (V2), rolling power pack (V1) is connected with stationary ring (V2), stationary ring (V2) are connected in water treatment machine body (6), screens group (V3) still cooperate with mounting hole (2).
2. The novel portable environment-friendly water treatment equipment as claimed in claim 1, wherein: rolling power pack (V1) is including flexible push type runner (V11), upper wheel (V12), even rope (V13), pivot (V14), lower round (V15), flexible push type runner (V11) hangs down with pivot (V14) and links, upper wheel (V12), lower round (V15) are equipped with in pivot (V14), and upper wheel (V12), lower round (V15) all are connected with even rope (V13), pivot (V14) links to each other with stationary ring (V2), it cooperates with screens group (V3) to link to rope (V13).
3. The novel portable environment-friendly water treatment equipment as claimed in claim 1, wherein: decide ring (V2) including ring body (V21), sealing washer (V22), locating piece (V23), activity mouth (V24), recess (V25), stopper (V26), ring body (V21) are fixed with sealing washer (V22), still are equipped with each four of activity mouth (V24), locating piece (V23) that stagger the setting, the both ends of activity mouth (V24) all are equipped with stopper (V26) of being connected with ring body (V21), ring body (V21) top is equipped with recess (V25), ring body (V21) are connected with water treatment machine body (6), locating piece (V23) and constant head tank (22) cooperation.
4. The novel portable environment-friendly water treatment equipment as claimed in claim 2, wherein: the clamping group (V3) comprises a clamping bead (V31), a spring (V32) and a guide rod (V33), the guide rod (V33) penetrates through the clamping bead (V31) matched with the spring (V32), the spring (V32) is connected with the ring body (V21), and the clamping bead (V31) is matched with the movable opening (V24) and the connecting rope (V13).
5. The novel portable environment-friendly water treatment equipment as claimed in claim 4, wherein: card pearl (V31) is including spacing dish (311), semicircle orifice (312), passageway (313), card pearl body (314), half slot (315), spacing dish (311) is equipped with passageway (313) and semicircle orifice (312)2, card pearl body (314) are equipped with half slot (315)2, spacing dish (311) hangs down in card pearl body (314), it runs through in passageway (313) to link rope (V13), semicircle orifice (312), half slot (315) and guide bar (V33) cooperation.
6. The novel portable environment-friendly water treatment equipment as claimed in claim 4 or 5, wherein: the guide bar (V33) comprises a limiting plate (331) and a semi-circular rod (332), wherein the limiting plate (331) is vertically connected with the semi-circular rod (332) matched with the semi-circular hole (312) and the semi-circular groove (315).
7. The novel portable environment-friendly water treatment equipment as claimed in claim 3, wherein: the groove (V25) is provided with a shaft center hole (251), tooth grooves (252) are uniformly distributed on the edge of the groove, the tooth grooves (252) form a gear-shaped structure, and the tooth grooves (252) can be matched with the telescopic pressing type rotating wheel (V11).
8. The novel portable environment-friendly water treatment equipment as claimed in claim 2 or 7, wherein: the telescopic pressing type rotating wheel (V11) is externally provided with a tooth block (111) matched with the tooth groove (252).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220439.4A CN110898512A (en) | 2019-12-03 | 2019-12-03 | Novel just, adorn environmental protection water treatment facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220439.4A CN110898512A (en) | 2019-12-03 | 2019-12-03 | Novel just, adorn environmental protection water treatment facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110898512A true CN110898512A (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911220439.4A Withdrawn CN110898512A (en) | 2019-12-03 | 2019-12-03 | Novel just, adorn environmental protection water treatment facilities |
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| Country | Link |
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| CN (1) | CN110898512A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208747660U (en) * | 2018-06-25 | 2019-04-16 | 福建创投环保科技有限公司 | A kind of sewage disposal device being conveniently replaceable filter core |
| CN209092829U (en) * | 2018-11-02 | 2019-07-12 | 扬州市洁柯净化科技有限公司 | A kind of inner core changeable type filter cartridge construction |
| CN209490556U (en) * | 2018-12-24 | 2019-10-15 | 杭州杭开环境科技股份有限公司 | A kind of household direct drinking filter device being conveniently replaceable filter core |
| CN110444122A (en) * | 2019-08-12 | 2019-11-12 | 吴夕强 | A kind of outdoor LED display screen with different cambered surface regulatory functions |
-
2019
- 2019-12-03 CN CN201911220439.4A patent/CN110898512A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208747660U (en) * | 2018-06-25 | 2019-04-16 | 福建创投环保科技有限公司 | A kind of sewage disposal device being conveniently replaceable filter core |
| CN209092829U (en) * | 2018-11-02 | 2019-07-12 | 扬州市洁柯净化科技有限公司 | A kind of inner core changeable type filter cartridge construction |
| CN209490556U (en) * | 2018-12-24 | 2019-10-15 | 杭州杭开环境科技股份有限公司 | A kind of household direct drinking filter device being conveniently replaceable filter core |
| CN110444122A (en) * | 2019-08-12 | 2019-11-12 | 吴夕强 | A kind of outdoor LED display screen with different cambered surface regulatory functions |
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Application publication date: 20200324 |
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