CN211585561U - Mounting structure and water purifier of water purifier filter core - Google Patents
Mounting structure and water purifier of water purifier filter core Download PDFInfo
- Publication number
- CN211585561U CN211585561U CN201922114323.4U CN201922114323U CN211585561U CN 211585561 U CN211585561 U CN 211585561U CN 201922114323 U CN201922114323 U CN 201922114323U CN 211585561 U CN211585561 U CN 211585561U
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- China
- Prior art keywords
- filter element
- outlet pipe
- raw water
- purified water
- water outlet
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- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 241
- 239000008213 purified water Substances 0.000 claims abstract description 88
- 238000007789 sealing Methods 0.000 claims description 29
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a mounting structure of a filter element of a water purifier, belonging to the technical field of water purifying equipment, comprising a filter element, a filter element seat and a locking sleeve, wherein one end of the filter element is closed, and the other end is provided with a raw water inlet pipe and a purified water outlet pipe; the filter element seat is provided with a raw water outlet pipe butted with the raw water inlet pipe and a raw water joint used for communicating the raw water pipe, and the raw water outlet pipe is communicated with the raw water joint; the filter element is provided with a purified water inlet pipe butted with a purified water outlet pipe and a purified water joint used for communicating the purified water pipe, and the purified water outlet pipe is communicated with the purified water joint; the locking sleeve is sleeved at one end of the filter element, and one side edge of the locking sleeve is hinged with the filter element seat. The utility model provides a mounting structure of water purifier filter core, the connection structure of filter core and filter core seat is simple, easy dismounting, the renew cartridge of being convenient for. The utility model also provides a water purifier.
Description
Technical Field
The utility model belongs to the technical field of water purification unit, more specifically say, relate to a mounting structure and water purifier of water purifier filter core.
Background
The water purifier is water treatment equipment for deeply purifying water according to the use requirement of water, the working principle of the water purifier is that raw water is introduced into a filter element, water molecules and beneficial mineral substances permeate the filter element to flow out under the action of pressure, and the water molecules and the beneficial mineral substances are filtered in multiple stages to form purified water (good water), and harmful substances such as bacteria, suspended matters and the like are intercepted in the filter element to achieve the effect of filtering and purifying. The filter core live time has long needs to be changed, and the filter core mounting structure of the water purifier of current product is complicated, and the filter core is changed comparatively difficultly, needs professional's operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mounting structure and water purifier of water purifier filter core, the filter core mounting structure of the water purifier who aims at solving current product is complicated, and comparatively difficult technical problem is changed to the filter core.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a mounting structure of a filter element of a water purifier, including:
the filter element is closed at one end, and a raw water inlet pipe and a purified water outlet pipe are arranged at the other end;
the filter element seat is used for being fixed on the support and provided with a raw water outlet pipe in butt joint with the raw water inlet pipe and a raw water joint for communicating the raw water pipe, and the raw water outlet pipe is communicated with the raw water joint; the filter element seat is provided with a purified water inlet pipe butted with the purified water outlet pipe and a purified water joint used for communicating the purified water pipe, and the purified water outlet pipe is communicated with the purified water joint;
the locking sleeve is sleeved on the filter element and is hinged with the filter element seat.
As another embodiment of the present application, the filter element seat is located outside the outer circumferential surface of the filter element; the axial direction of raw water inlet pipe with purify waste water outlet pipe is the same and the axial all with the axial of filter core is perpendicular
As another embodiment of the present application, a boss is disposed at a connection end of the filter element and the filter element seat, the boss is provided with an accommodating cavity extending to an end of the filter element, and the raw water outlet pipe and the purified water inlet pipe are both located in the accommodating cavity; the locking sleeve is a U-shaped sleeve, the opening side of the U-shaped sleeve is hinged to the filter element seat, and the inner ring of the U-shaped sleeve is attached to the outer wall of the boss.
As another embodiment of the present application, the top edge of the boss is provided with a rounded corner.
As another embodiment of this application, the both ends of the opening side of U-shaped cover all are equipped with first through-hole, and two the coaxial setting of first through-hole, be equipped with on the filter core seat with the second through-hole that first through-hole corresponds, second through-hole axial with the axial vertical of filter core, two first through-hole with wear to be equipped with in the second through-hole and be used for connecting the U-shaped cover with the round pin axle of filter core seat.
As another embodiment of this application, the both ends of the opening side of U-shaped cover all are equipped with the plug, two the plug all faces the inboard of U-shaped cover, and two the coaxial setting of plug, be equipped with respectively on the filter core seat with two plug assorted slot.
As another embodiment of the present application, the cross sections of the raw water inlet pipe and the raw water outlet pipe are both annular, and the outer diameter of the raw water inlet pipe is the same as the inner diameter of the raw water outlet pipe; the purified water outlet pipe with the cross section of purified water inlet tube is the annular, the external diameter of purified water outlet pipe with the internal diameter of purified water inlet tube is the same.
As another embodiment of the present application, a first sealing ring is disposed at a position, close to an end, of an outer wall of the raw water inlet pipe; and a second sealing ring is arranged at the position, close to the end part, of the outer wall of the purified water outlet pipe.
As another embodiment of the present application, the cross sections of the raw water inlet pipe and the raw water outlet pipe are both annular, and the inner diameter of the raw water inlet pipe is the same as the outer diameter of the raw water outlet pipe; the purified water outlet pipe with the cross section of purified water inlet tube is the annular, the internal diameter of purified water outlet pipe with the external diameter of purified water inlet tube is the same.
As another embodiment of the present application, a third sealing ring is disposed at a position, close to an end, of an outer wall of the raw water outlet pipe; and a fourth sealing ring is arranged at the position, close to the end part, of the outer wall of the purified water inlet pipe.
The utility model provides a mounting structure of water purifier filter core's beneficial effect lies in: the filter element seat is fixed on the support, and the support is fixed on the wall body or the bottom surface and is used as a fixing structure of the water purifier. The raw water inlet pipe at one end of the filter element is butted with the raw water outlet pipe on the filter element, the purified water outlet pipe at one end of the filter element is butted with the purified water inlet pipe on the filter element seat, the locking sleeve hinged on the filter element seat is sleeved at the end part of the filter element to lock the filter element and the filter element seat, and the filter element is firmly arranged on the filter element seat; when the filter element is disassembled, the locking sleeve is pulled open from the end part of the filter element, and the raw water inlet pipe, the raw water outlet pipe, the purified water outlet pipe and the purified water inlet pipe are separated.
Compared with the prior art, the utility model discloses the mounting structure of water purifier filter core, the connection structure of filter core and filter core seat is simple, easy dismounting, the renew cartridge of being convenient for.
The utility model also provides a water purifier, including the mounting structure of foretell water purifier filter core.
The utility model provides a beneficial effect of water purifier is the same with the beneficial effect of the mounting structure of foretell water purifier filter core, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a mounting structure of a filter element of a water purifier provided by an embodiment of the present invention;
fig. 2 is an exploded schematic view of a mounting structure of a filter element of a water purifier according to an embodiment of the present invention;
FIG. 3 is a first schematic view of an installation structure of the filter element seat and the locking sleeve;
FIG. 4 is a second schematic view of the mounting structure of the filter element seat and the locking sleeve;
fig. 5 is an exploded view of the mounting structure of the filter element holder and the locking sleeve;
in the figure: 1. a filter element; 11. a raw water inlet pipe; 111. a first seal ring; 12. a purified water outlet pipe; 121. a second seal ring; 13. a boss; 2. a filter element seat; 21. a raw water outlet pipe; 22. a purified water inlet pipe; 23. a purified water joint; 24. a raw water joint; 25. mounting holes; 3. a locking sleeve; 4. a pin shaft; 5. and (4) a plug.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Now the utility model provides a mounting structure of water purifier filter core explains.
Referring to fig. 1 and 2, the filter element mounting structure of the water purifier includes a filter element 1, a filter element seat 2 and a locking sleeve 3, wherein the filter element seat 2 is fixedly connected to a bracket for mounting the water purifier, and the filter element 1 is connected to the filter element seat 2 and fastened by the locking sleeve 3. One end of the filter element 1 is closed, the other end of the filter element is provided with two interfaces, namely a raw water inlet pipe 11 and a purified water outlet pipe 12, raw water enters the filter element 1 from the raw water inlet pipe 11, and after being filtered by the filter element 1, generated purified water flows out from the purified water outlet pipe 12. The filter element seat 2 is provided with two interfaces, namely a raw water outlet pipe 21 and a purified water inlet pipe 22, the raw water outlet pipe 21 is in butt joint with the raw water inlet pipe 11, and the purified water inlet pipe 22 is in butt joint with the purified water outlet pipe 12. The filter element seat 2 is also provided with a raw water joint 24 communicated with a raw water pipe and a purified water joint 23 communicated with a purified water pipe, raw water flows through the raw water joint 24, the raw water outlet pipe 21 and the raw water inlet pipe 11 from the raw water pipe in sequence and enters the filter element 1, and the filtered purified water flows through the purified water outlet pipe 12, the purified water inlet pipe 22 and the purified water joint 23 in sequence and flows out of the purified water pipe for use.
After the raw water inlet pipe 11 on the filter element 1 is in butt joint with the raw water outlet pipe 21 on the filter element seat 2, and the purified water outlet pipe 12 on the filter element 1 is in butt joint with the purified water inlet pipe 22 on the filter element seat 2, the communication of the filter element 1 with the raw water pipe and the purified water pipe is completed, but the installation of the filter element 1 on the filter element seat 2 is unstable, and the filter element 1 is easy to drop from the filter element seat 2. Set up a lock sleeve 3 on filter core seat 2, one side border of lock sleeve 3 is articulated with filter core seat 2, and lock sleeve 3 can use one side border to swing as the axle promptly, during installation filter core 1, has pulled up lock sleeve 3, then docks the raw water inlet tube 11 of filter core 1 and the raw water outlet pipe 21 of filter core seat 2, docks the purified water outlet pipe 12 of filter core 1 and the purified water inlet tube 22 of filter core seat 2, and the butt joint in-process, lock sleeve 3 can not cause the hindrance. After the filter element 1 is connected with the filter element seat 2, the locking sleeve 3 is pulled down, the locking sleeve 3 can be just sleeved at the end part of the filter element 1, and the filter element 1 is locked on the filter element seat 2 by the locking sleeve 3. When the filter element 1 is disassembled, the locking sleeve 3 is pulled open from the end part of the filter element 1, and the raw water inlet pipe 11 and the purified water outlet pipe 12 on the filter element 1 are pulled out.
The utility model provides a mounting structure of water purifier filter core compares with prior art, and filter core 1 is simple with the connection structure of filter core seat 2, easy dismounting, the renew cartridge 1 of being convenient for.
Four mounting holes 25 are formed in the filter element seat 2, each mounting hole 25 is matched with one fixing bolt, and the filter element seat 2 is fixed on the support through the bolts.
As a specific embodiment of the mounting structure of water purifier filter element provided by the utility model, filter core seat 2 sets up in the outside of the outer peripheral face of filter core 1, and the orientation of raw water inlet tube 11 and the orientation of purifying water outlet pipe 12 all are perpendicular with the axial of filter core 1 to raw water inlet tube 11 is the same with the orientation of purifying water outlet pipe 12.
As a specific implementation manner of the installation structure of the water purifier filter element provided by the utility model, please refer to fig. 1 to 3, the lock sleeve 3 is established to the U-shaped cover, the opening side of the U-shaped cover is two ends, two ends are all articulated with the filter element seat 2, the end of the filter element 1 can be established to the U-shaped cover, want to lock the filter element 1 with the U-shaped cover, the U-shaped cover is established when the end of the filter element 1, the inner circle of the U-shaped cover needs to be laminated with the outer wall of the filter element 1, so the U-shaped cover can only tighten the filter element 1. In order to make the outer wall of the filter element 1 and the inner ring of the U-shaped sleeve fit, a boss 13 which is fitted with the inner ring of the U-shaped sleeve is arranged at the connecting end of the filter element 1 and the filter element seat 2, the shape and the size of the cross section of the boss 13 are respectively the same as those of the inner ring of the U-shaped sleeve, a containing cavity is arranged inside the boss and communicated with the inside of the filter element 1, a raw water outlet pipe 21 and a purified water inlet pipe 22 are arranged in the containing cavity, and the U-shaped sleeve is arranged on the boss 13. In order to prevent the locking sleeve 3 from slipping off the filter element 1, the inner ring of the locking sleeve 3 is provided with anti-slip threads.
Preferably, the top edge of the boss 13 is provided with a round corner, so that the U-shaped sleeve can be conveniently sleeved in and pulled out.
Specifically, referring to fig. 3, two ends of the opening side of the U-shaped sleeve, namely, two ends of the U-shaped sleeve are provided with one through hole, which is called a first through hole, the two first through holes are arranged in a direction perpendicular to the axial direction of the U-shaped sleeve, and the two first through holes are coaxially arranged. And a second through hole corresponding to the first through hole is arranged on the filter element seat 2, the axial direction of the second through hole is vertical to the axial direction of the filter element 1, and the aperture of the second through hole is the same as that of the first through hole. With two first through-holes on the lock sleeve 3 just to the second through-hole on the filter core seat 2, wear to establish a round pin axle 4 in first through-hole and second through-hole, round pin axle 4 will index the cover and be connected with filter core seat 2 to lock sleeve 3 can use round pin axle 4 as the axle swing.
The U-shaped sleeve and the filter element seat 2 can also have another connection mode.
Referring to fig. 4 and 5 together, the two plugs 5 are arranged at two ends of the opening side of the U-shaped sleeve, the two plugs 5 face the inner side of the U-shaped sleeve, the axial directions of the two plugs 5 are perpendicular to the axis of the U-shaped sleeve, and the two plugs 5 are coaxially arranged. Two sides of the filter element seat 2 corresponding to the two ends of the opening side of the U-shaped sleeve are respectively provided with a slot matched with the plug 5, the distance between the end parts of the two plugs 5 is smaller than the distance between the openings of the two slots, and the two plugs 5 can be ensured to be inserted into the slots. After the plug 5 is inserted into the slot, the connection between the locking sleeve 3 and the filter element seat 2 is completed, and the locking sleeve 3 can swing by taking the plug 5 as a rotating shaft.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and fig. 2, the cross sections of the raw water inlet pipe 11 and the raw water outlet pipe 21 are both ring-shaped, that is, the raw water inlet pipe 11 and the raw water outlet pipe 21 are both circular pipes, and the outer diameter of the raw water inlet pipe 11 is the same as the inner diameter of the raw water outlet pipe 21; the cross sections of the purified water outlet pipe 12 and the purified water inlet pipe 22 are both formed in a ring shape, that is, the purified water outlet pipe 12 and the purified water inlet pipe 22 are both formed in a circular pipe shape, and the outer diameter of the purified water outlet pipe 12 is the same as the inner diameter of the purified water inlet pipe 22. When the filter element 1 is butted with the filter element seat 2, the raw water outlet pipe 21 is inserted into the raw water inlet pipe 11, the purified water outlet pipe 12 is inserted into the purified water inlet pipe 22, when the filter element 1 is dismounted, the raw water outlet pipe 21 is pulled out from the raw water inlet pipe 11, and the purified water inlet pipe 22 is pulled out from the purified water outlet pipe 12. The mounting structure is simple and convenient to detach.
The outer wall of the raw water outlet pipe 21 is provided with a first sealing ring 111 at a position close to the end, the outer wall of the raw water outlet pipe 21 is provided with an annular clamping groove used for accommodating the first sealing ring 111 at a position corresponding to the first sealing ring 111, the depth of the annular clamping groove is smaller than the thickness of the first sealing ring 111, the part of the first sealing ring 111 is clamped into the annular clamping groove, and the annular clamping groove not only plays a role in fixing the first sealing ring 111, but also does not influence the sealing effect of the first sealing ring 111.
It should be noted that the first sealing ring 111 is an elastic rubber ring, and the first sealing ring 111 is clamped between the outer wall of the raw water outlet pipe 21 and the inner wall of the raw water inlet pipe 11 to generate compression deformation, so that the raw water outlet pipe 21 is not prevented from being inserted into the raw water inlet pipe 11.
The position that is close to the tip at the outer wall of purifying water inlet tube 22 is equipped with second sealing washer 121, the position that corresponds second sealing washer 121 at the outer wall of purifying water inlet tube 22 is equipped with the ring groove who is used for holding second sealing washer 121, ring groove's the degree of depth is less than the thickness of second sealing washer 121, during ring groove is gone into to second sealing washer 121 part card, ring groove had both played the effect of fixed second sealing washer 121, does not influence the sealed effect of second sealing washer 121 again.
It should be noted that the second sealing ring 121 is an elastic rubber ring, and the second sealing ring 121 is clamped between the outer wall of the purified water inlet pipe 22 and the inner wall of the purified water outlet pipe 12 to generate compression deformation, so that the purified water inlet pipe 22 is not prevented from being inserted into the purified water outlet pipe 12.
The inner diameter of the raw water inlet pipe 11 may be the same as the outer diameter of the raw water outlet pipe 21, and the inner diameter of the purified water outlet pipe 12 may be the same as the outer diameter of the purified water inlet pipe 22, and the filter element 1 and the filter element holder 2 may be mounted by plugging. In the insertion mode, the outer wall of the raw water outlet pipe 21 is provided with a third sealing ring, and the outer wall of the purified water inlet pipe 22 is provided with a fourth sealing ring.
The utility model also provides a water purifier, include the utility model discloses the mounting structure of water purifier filter core.
The utility model provides a beneficial effect of water purifier with the utility model discloses the mounting structure's of water purifier filter core beneficial effect is the same, no longer gives unnecessary details.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Mounting structure of water purifier filter core, its characterized in that includes:
the filter element is closed at one end, and a raw water inlet pipe and a purified water outlet pipe are arranged at the other end;
the filter element seat is used for being fixed on the support and provided with a raw water outlet pipe in butt joint with the raw water inlet pipe and a raw water joint for communicating the raw water pipe, and the raw water outlet pipe is communicated with the raw water joint; the filter element seat is provided with a purified water inlet pipe butted with the purified water outlet pipe and a purified water joint used for communicating the purified water pipe, and the purified water outlet pipe is communicated with the purified water joint;
the locking sleeve is sleeved on the filter element and is hinged with the filter element seat.
2. The filter element mounting structure for a water purifier according to claim 1, wherein said filter element holder is located outside an outer peripheral surface of said filter element; the axial of raw water inlet pipe with purify the water outlet pipe the same and the axial all with the axial of filter core is perpendicular.
3. The filter element mounting structure of a water purifier as claimed in claim 2, wherein a boss is provided at the connection end of the filter element with the filter element seat, the boss is provided with a receiving cavity extending to the end of the filter element, and the raw water outlet pipe and the purified water inlet pipe are both located in the receiving cavity; the locking sleeve is a U-shaped sleeve, the opening side of the U-shaped sleeve is hinged to the filter element seat, and the inner ring of the U-shaped sleeve is attached to the outer wall of the boss.
4. The mounting structure of a filter element of a water purifier as claimed in claim 3, wherein the two ends of the open side of the U-shaped sleeve are provided with first through holes, and the two first through holes are coaxially arranged, the filter element base is provided with second through holes corresponding to the first through holes, the axial direction of the second through holes is perpendicular to the axial direction of the filter element, and a pin shaft for connecting the U-shaped sleeve and the filter element base is arranged in the two first through holes and the second through holes.
5. The filter element mounting structure for a water purifier according to claim 3, wherein plugs are provided at both ends of the open side of the U-shaped housing, both plugs face the inside of the U-shaped housing, and both plugs are coaxially provided, and the filter element holder is provided with insertion grooves respectively matched with both plugs.
6. The mounting structure of a filter element for a water purifier according to any one of claims 1 to 5, wherein the raw water inlet pipe and the raw water outlet pipe are both annular in cross section, and an outer diameter of the raw water inlet pipe is the same as an inner diameter of the raw water outlet pipe; the purified water outlet pipe with the cross section of purified water inlet tube is the annular, the external diameter of purified water outlet pipe with the internal diameter of purified water inlet tube is the same.
7. The filter element mounting structure for water purifier as defined in claim 6, wherein a first sealing ring is provided on an outer wall of said raw water inlet pipe at a position near an end thereof; and a second sealing ring is arranged at the position, close to the end part, of the outer wall of the purified water outlet pipe.
8. The mounting structure of a filter element for a water purifier according to any one of claims 1 to 5, wherein the raw water inlet pipe and the raw water outlet pipe are formed in a ring shape in cross section, and an inner diameter of the raw water inlet pipe is the same as an outer diameter of the raw water outlet pipe; the purified water outlet pipe with the cross section of purified water inlet tube is the annular, the internal diameter of purified water outlet pipe with the external diameter of purified water inlet tube is the same.
9. The filter element mounting structure for water purifier as defined in claim 8, wherein a third sealing ring is provided on the outer wall of the raw water outlet pipe at a position near the end thereof; and a fourth sealing ring is arranged at the position, close to the end part, of the outer wall of the purified water inlet pipe.
10. A water purifier comprising a mounting structure of a filter cartridge of the water purifier as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114323.4U CN211585561U (en) | 2019-11-29 | 2019-11-29 | Mounting structure and water purifier of water purifier filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114323.4U CN211585561U (en) | 2019-11-29 | 2019-11-29 | Mounting structure and water purifier of water purifier filter core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211585561U true CN211585561U (en) | 2020-09-29 |
Family
ID=72589895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922114323.4U Expired - Fee Related CN211585561U (en) | 2019-11-29 | 2019-11-29 | Mounting structure and water purifier of water purifier filter core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211585561U (en) |
-
2019
- 2019-11-29 CN CN201922114323.4U patent/CN211585561U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |