CN114768371A - Purifier filter core mounting structure - Google Patents
Purifier filter core mounting structure Download PDFInfo
- Publication number
- CN114768371A CN114768371A CN202210415916.8A CN202210415916A CN114768371A CN 114768371 A CN114768371 A CN 114768371A CN 202210415916 A CN202210415916 A CN 202210415916A CN 114768371 A CN114768371 A CN 114768371A
- Authority
- CN
- China
- Prior art keywords
- filter element
- water purifier
- opening
- filter core
- limiting
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 abstract description 2
- 230000005012 migration Effects 0.000 abstract description 2
- 238000013508 migration Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B01D35/30—Filter housing constructions
- B01D35/306—Filter mounting adapter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Abstract
The invention discloses a water purifier filter element mounting structure, which comprises a filter element and a water purifier shell, wherein the filter element is mounted on the water purifier shell, and the water purifier filter element mounting structure also comprises a mounting frame and a cover body, wherein: the mounting frame is fixed in the shell of the water purifier and is provided with an accommodating opening which is matched with the filter element; the mounting frame is provided with a clamping groove, the clamping groove is opposite to the opening for accommodating the opening, the top surface of the filter element is provided with a clamping strip, and the clamping strip is matched with the clamping groove; the cover body is detachably arranged on the mounting frame, covers the upper part of the filter element and is used for fixing the filter element in the mounting frame; in this scheme, lid and installing frame form the cladding the annular accommodation channel of filter core lateral wall avoids the filter core left and right sides and back-and-forth movement, and the lid is established and is avoided the filter core to reciprocate above the filter core, after dismantling the lid through the horizontal migration filter core make the card strip with the draw-in groove breaks away from and then accomplishes dismantling of filter core, and then the installation and the dismantlement of the filter core of being convenient for.
Description
Technical Field
The invention relates to the technical field of water purifier related equipment, in particular to a water purifier filter element mounting structure.
Background
The water purifier is also called water purifier and water quality purifier, and is water treatment equipment for deeply filtering and purifying water according to the use requirement of water. The purifier generally include the shell with filter core isotructure, the filter core is installed on the shell, because long-time the use, the filter core often needs to be changed or dismantle the washing, current the filter core passes through parts such as screw, limiting plate complicacy and installs on the shell, is not convenient for the dismantlement and the installation of filter core.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a water purifier filter element installation structure.
The invention provides a water purifier filter element mounting structure, which comprises a filter element and a water purifier shell, wherein the filter element is mounted on the water purifier shell, and the water purifier filter element mounting structure also comprises a mounting frame and a cover body, wherein:
the mounting frame is fixed in the shell of the water purifier and is provided with an accommodating opening, and the accommodating opening is matched with the filter element;
specifically, the mounting frame can be fixed on the water purifier shell through fixing parts such as welding, sticking or screws in the prior art;
a clamping groove is formed in the mounting frame, the clamping groove is opposite to the opening of the accommodating opening, a clamping strip is arranged on the top surface of the filter element, and the clamping strip is matched with the clamping groove;
the cover body is detachably arranged on the mounting frame, covers the upper part of the filter element and is used for fixing the filter element in the mounting frame;
in order to facilitate the discharge of water inlet, water outlet or dirty water of the filter element, a connecting through hole is also formed in the mounting frame and is communicated with a connecting pipe of the filter element;
in this scheme, the lid with the installing frame forms the cladding the annular of filter core lateral wall holds the passageway, avoids the filter core is left and right sides and back-and-forth movement, just the lid is established avoid the filter core top the filter core reciprocates, works as the dismantlement through horizontal migration behind the lid the filter core makes the card strip with the draw-in groove breaks away from and then accomplishes demolising of filter core, and then is convenient for the installation and the dismantlement of filter core.
As a further optimized scheme of the invention, the support surface is arranged on the mounting frame, the support surface is a horizontal surface, the slide bar is arranged on the outer side of the filter element, the lower surface of the slide bar is in contact with the support surface, and in the process of mounting the filter element, the support surface is in contact with the lower surface of the slide bar, so that the filter element is limited in the vertical direction.
As a further optimized scheme of the invention, the cover body is provided with a limiting surface, the limiting surface is opposite to the supporting surface, the limiting surface is in contact with the upper surface of the slide bar, and after the cover body is covered on the mounting frame, the limiting surface and the supporting surface are respectively abutted against the upper surface and the lower surface of the slide bar, so as to further limit the filter element in the vertical direction.
As a further optimized scheme of the invention, an extension side plate is arranged on the cover body, the extension side plate covers the outer wall of the filter element at the opening of the accommodating opening, and when the cover body is arranged on the mounting frame, the extension side plate is abutted against the outer wall of the filter element, so that the filter element is prevented from sliding out of the accommodating opening.
In order to further increase the stability of the installation of the filter element, as a further optimized scheme of the invention, an auxiliary anti-disengaging structure is further arranged between the cover body and the filter element, and the auxiliary anti-disengaging structure is used for fixing the filter element along the opening direction of the accommodating opening.
In some embodiments, the auxiliary anti-separation structure includes a first limiting structure and a second limiting structure, the first limiting structure and the second limiting structure are respectively mounted on the top surface of the filter element and the lower surface of the cover body, and the first limiting structure and the second limiting structure are in surface contact.
The first limiting structure and the second limiting structure can be limiting plates in the prior art, so as to further increase the structural stability of the filter element, in some embodiments, the second limiting structure preferably comprises a plurality of vertically arranged reinforcing ribs, the reinforcing ribs are close to the side face of the accommodating opening and are in contact with the second limiting structure, in some embodiments, the reinforcing ribs can be provided with a plurality of reinforcing ribs, the first limiting structure is a limiting plate, and the limiting plate is far away from the side face of the accommodating opening and the reinforcing ribs are in contact with the side face opposite to the accommodating opening.
In order to increase the stability, as a further optimized scheme of the invention, at least two clamping grooves are arranged.
In order to facilitate the opening and the covering of the cover body, as a further optimized scheme of the invention, the cover body is transversely and rotatably mounted on the mounting frame, and the cover body is rotated to realize the opening and the closing of the accommodating opening.
In order to increase the stability of the installation of the filter element, as a further optimized scheme of the invention, a linkage bulge is arranged on one side of the cover body, which is far away from the accommodating opening, a sliding bulge is fixedly arranged on the filter element, when the cover body is rotated downwards, the linkage bulge props against the sliding bulge and drives the sliding bulge to move towards the direction far away from the accommodating opening, and the filter element is driven to move towards the direction far away from the accommodating opening in the process of covering the cover body, so that the connection stability of the filter element is further increased.
Of course, in order to increase the stability of the cover plate, a screw, a fixing pin, or the like may be additionally provided between the cover plate and the mounting frame to fix the cover plate.
For further increase steadiness, have last limiting plate on the installing frame, the top surface of filter core is equipped with the locating part, and the top surface of locating part is contradicted with the lower surface of last limiting plate.
The water purifier filter element mounting structure is simple in structure and convenient to mount and dismount the filter element, the cover body and the mounting frame form an annular accommodating channel for covering the outer side wall of the filter element to prevent the filter element from moving left and right and back and forth, the cover body is covered above the filter element to prevent the filter element from moving up and down, and after the cover body is dismounted, the cover body is horizontally moved to separate the clamping strips from the clamping grooves to complete dismounting of the filter element, so that the filter element is convenient to mount and dismount.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the area A according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-2, a water purifier filter element mounting structure comprises a filter element 1 and a water purifier housing 2, wherein the filter element 1 is mounted on the water purifier housing 2, and further comprises a mounting frame 3 and a cover 4, wherein:
the mounting frame 3 is fixed in the water purifier shell 2, the mounting frame 3 is provided with an accommodating opening 30, and the accommodating opening 30 is matched with the filter element 1;
specifically, the mounting frame 3 can be fixed on the water purifier housing 2 by fixing members such as screws in the prior art;
the cover body 4 is transversely and rotatably mounted on the mounting frame 3, and the cover body 4 is used for covering the upper part of the accommodating opening 30 and closing the opening end of the accommodating opening 30;
the opening or closing of the accommodation opening 30 is achieved by rotating the lid body 4;
two clamping grooves 31 are formed in the mounting frame 3, the clamping grooves 31 are opposite to the opening of the accommodating opening 30, two clamping strips 7 are arranged on the top surface of the filter element 1, one clamping strip 7 is matched with one clamping groove 31, the clamping strips 7 are firstly matched with the clamping grooves 31 during mounting, so that the guide of the filter element 1 is convenient to realize, and meanwhile, the arrangement of the clamping grooves 31 and the clamping strips 7 further avoids the filter element 1 from shaking left and right;
in order to facilitate the discharge of water inlet, water outlet or dirty water of the filter element 1, a connecting through hole is also formed in the mounting frame 3 and is communicated with a connecting pipe of the filter element 1;
in order to prevent the filter element 1 from being limited in the vertical direction when being installed, in this embodiment, it is preferable that the installation frame 3 has a support surface 32, the support surface 32 is a horizontal plane, the outer side of the filter element 1 is provided with a slide bar 8, the slide bar 8 and the housing of the filter element 1 can be integrally formed, or can be formed by later-stage pasting or injection molding, the lower surface of the slide bar 8 contacts with the support surface 32, in the process of installing the filter element 1, the support surface 32 contacts with the lower surface of the slide bar 8, and further the limitation in the vertical direction of the filter element 1 is realized;
in this embodiment, preferably, the cover 4 has a limiting surface 40, the limiting surface 40 is opposite to the supporting surface 32, the limiting surface 40 contacts with the upper surface of the slide bar 8, and after the cover 4 is covered on the mounting frame 3, the limiting surface 40 and the supporting surface 32 respectively abut against the upper and lower surfaces of the slide bar 8, so as to further limit the vertical direction of the filter element 1;
be equipped with on the lid 4 and extend curb plate 41, extend curb plate 41 cladding filter core 1 and be located the filter core 1 outer wall of the opening part that holds opening 30, should extend curb plate 41 and conflict with filter core 1 outer wall after establishing on installing frame 3 when lid 4, and then avoid filter core 1 to hold opening 30 roll-off.
In order to further increase the stability of the installation of the filter cartridge 1, it is preferable in this embodiment that an auxiliary anti-separation structure is further provided between the cover 4 and the filter cartridge 1, and the auxiliary anti-separation structure is used for fixing the filter cartridge 1 along the opening direction of the receiving opening 30.
Specifically, the auxiliary anti-falling structure comprises a first limiting structure and a second limiting structure, the first limiting structure and the second limiting structure are respectively arranged on the top surface of the filter element 1 and the lower surface of the cover body 4, and the first limiting structure is in surface contact with the second limiting structure;
in this embodiment, preferably, the second limiting structure includes a plurality of reinforcing ribs 5 that are vertically arranged, the side surface of each reinforcing rib 5 that is close to the accommodating opening 30 is in contact with the second limiting structure, three reinforcing ribs 5 can be provided, the first limiting structure is a limiting plate 6, and one side surface of the limiting plate 6 that is far away from the accommodating opening 30 is abutted against the side surface of the reinforcing rib 5 that is opposite to the accommodating opening 30;
specifically, the reinforcing ribs 5 and the clamping strips 7 are alternately arranged;
in order to increase the stability of the installation of the filter element 1, in this embodiment, it is preferable that a linkage protrusion 9 is disposed on one side of the cover body 4 away from the receiving opening 30, and a sliding protrusion 10 is fixedly disposed on the filter element 1, when the cover body 4 is rotated downward, the linkage protrusion 9 abuts against the sliding protrusion 10 and drives the sliding protrusion 10 to move in a direction away from the receiving opening 30, and when the cover body 4 is covered, the filter element 1 is driven to move in a direction away from the receiving opening 30, so that the connection stability of the filter element 1 is further increased;
the mounting frame 3 is provided with an upper limiting plate 11, the top surface of the filter element 1 is provided with a limiting piece 12, and the top surface of the limiting piece 12 is abutted against the lower surface of the upper limiting plate 11;
specifically, the three retaining pieces 12 are provided, and the retaining pieces 12 and the clip strips 7 are staggered with each other, wherein the retaining grooves 31 are provided on the upper retaining plate 11.
When the filter element 1 is installed, the cover body 4 is opened, such as the middle filter element 1 in fig. 1, the clamping strip 7 of the filter element 1 is matched with the clamping groove 31, the sliding strip 8 of the filter element 1 is contacted with the supporting surface 32, then the filter element 1 is pushed in towards the direction far away from the accommodating opening 30 through external force, until the sliding protrusion 10 moves to one side of the linkage protrusion 9 far away from the accommodating opening 30 (such as the structure of the left filter element 1 relative to the installation frame 3 in fig. 1), then the cover body 4 is rotated downwards, the linkage protrusion 9 drives the filter element 1 to move towards the opening direction far away from the accommodating opening 30 through the sliding protrusion 10 in the process of rotating the cover body 4 downwards, then the cover body 4 is covered, at the moment, one side surface of the limiting plate 6 far away from the accommodating opening 30 is abutted against the side surface of the reinforcing rib 5 opposite to the accommodating opening 30, the extending side plate 41 of the cover body 4 is abutted against the outer wall of the filter element 1, and the inner side surface of the extending side plate 41 is a cambered surface, the cambered surface is matched with the outer side surface of the filter element 1, so that the stabilizing effect is further improved (particularly, the relative position relation between the filter element 1 on the right side and the cover body 3 is shown in detail);
when the filter cartridge 1 is removed, the cover 4 is opened by rotating the cover 4 upward, and then the filter cartridge 1 is pulled out from the housing opening 30 by an external force.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a purifier filter core mounting structure, includes filter core and purifier shell, the filter core is installed on the purifier shell, its characterized in that still includes installing frame and lid, wherein:
the mounting frame is fixed in the shell of the water purifier and is provided with an accommodating opening, and the accommodating opening is matched with the filter element;
a clamping groove is formed in the mounting frame, the clamping groove is opposite to the opening of the accommodating opening, a clamping strip is arranged on the top surface of the filter element, and the clamping strip is matched with the clamping groove;
the lid demountable installation be in on the installing frame, just the lid covers the filter core top, just the lid is used for with the filter core is fixed in the installing frame.
2. The water purifier filter element mounting structure of claim 1, wherein the mounting frame is provided with the support surface, the outside of the filter element is provided with the slide bar, and the lower surface of the slide bar is in contact with the support surface.
3. The water purifier filter element mounting structure of claim 2, wherein the cover has a limiting surface thereon, the limiting surface is opposite to the support surface, and the limiting surface contacts with an upper surface of the slide bar.
4. The water purifier filter element mounting structure of claim 1, wherein an extension side plate is disposed on the cover and covers an outer wall of the filter element at the opening of the receiving opening.
5. The water purifier filter element mounting structure of claim 1, wherein an auxiliary anti-separation structure is further disposed between the cover and the filter element, and the auxiliary anti-separation structure is used for fixing the filter element along the opening direction of the receiving opening.
6. The water purifier filter element mounting structure of claim 5, wherein the auxiliary anti-disengaging structure comprises a first limiting structure and a second limiting structure, the first limiting structure and the second limiting structure are respectively mounted on the top surface of the filter element and the lower surface of the cover body, and the first limiting structure and the second limiting structure are in surface contact.
7. The water purifier filter element mounting structure of claim 6, wherein the second limiting structure comprises a plurality of vertically disposed reinforcing ribs, and the side of the reinforcing ribs near the receiving opening contacts the second limiting structure.
8. The water purifier filter element mounting structure of claim 1, wherein there are at least two slots.
9. The water purifier filter element mounting arrangement according to any one of claims 1-8, wherein the cover is laterally rotatably mounted to the mounting frame, and rotation of the cover effects opening and closing of the receiving opening.
10. The water purifier filter element mounting structure of claim 9, wherein a linkage protrusion is disposed on a side of the cover body away from the receiving opening, a sliding protrusion is fixedly disposed on the filter element, and when the cover body is rotated downward, the linkage protrusion abuts against the sliding protrusion and drives the sliding protrusion to move in a direction away from the receiving opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210415916.8A CN114768371A (en) | 2022-04-20 | 2022-04-20 | Purifier filter core mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210415916.8A CN114768371A (en) | 2022-04-20 | 2022-04-20 | Purifier filter core mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114768371A true CN114768371A (en) | 2022-07-22 |
Family
ID=82430796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210415916.8A Pending CN114768371A (en) | 2022-04-20 | 2022-04-20 | Purifier filter core mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114768371A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149640A1 (en) * | 2001-08-31 | 2004-08-05 | Stefan Hennes | Filter device |
| JP2009011871A (en) * | 2007-06-05 | 2009-01-22 | Mrc Home Products Kk | Water purifier |
| CN110252022A (en) * | 2019-07-19 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of removable cartridge, element kit and water purifier |
| CN210125206U (en) * | 2019-03-19 | 2020-03-06 | 佛山市美的清湖净水设备有限公司 | Water purifier |
| CN211245714U (en) * | 2019-12-04 | 2020-08-14 | 江西书源科技有限公司 | Filter flask mounting seat |
| CN112843856A (en) * | 2020-12-25 | 2021-05-28 | 珠海格力电器股份有限公司 | Water purifier |
| CN113087041A (en) * | 2021-04-20 | 2021-07-09 | 上海水护盾健康科技有限公司 | Filter element replacing structure of water purifier |
| CN214415794U (en) * | 2020-12-31 | 2021-10-19 | 绍兴摩纳净水科技有限公司 | Support frame that water purifier was used |
| CN214861664U (en) * | 2021-06-01 | 2021-11-26 | 佛山市顺德区阿波罗环保器材有限公司 | Water purifier |
| CN113713492A (en) * | 2021-08-23 | 2021-11-30 | 江西晶朝科技有限公司 | Auxiliary instrument based on installation of water purifier filter element |
-
2022
- 2022-04-20 CN CN202210415916.8A patent/CN114768371A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149640A1 (en) * | 2001-08-31 | 2004-08-05 | Stefan Hennes | Filter device |
| JP2009011871A (en) * | 2007-06-05 | 2009-01-22 | Mrc Home Products Kk | Water purifier |
| CN210125206U (en) * | 2019-03-19 | 2020-03-06 | 佛山市美的清湖净水设备有限公司 | Water purifier |
| CN110252022A (en) * | 2019-07-19 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of removable cartridge, element kit and water purifier |
| CN211245714U (en) * | 2019-12-04 | 2020-08-14 | 江西书源科技有限公司 | Filter flask mounting seat |
| CN112843856A (en) * | 2020-12-25 | 2021-05-28 | 珠海格力电器股份有限公司 | Water purifier |
| CN214415794U (en) * | 2020-12-31 | 2021-10-19 | 绍兴摩纳净水科技有限公司 | Support frame that water purifier was used |
| CN113087041A (en) * | 2021-04-20 | 2021-07-09 | 上海水护盾健康科技有限公司 | Filter element replacing structure of water purifier |
| CN214861664U (en) * | 2021-06-01 | 2021-11-26 | 佛山市顺德区阿波罗环保器材有限公司 | Water purifier |
| CN113713492A (en) * | 2021-08-23 | 2021-11-30 | 江西晶朝科技有限公司 | Auxiliary instrument based on installation of water purifier filter element |
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