CN213467413U - Deformation water guide type filter element structure - Google Patents
Deformation water guide type filter element structure Download PDFInfo
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- CN213467413U CN213467413U CN202020219019.6U CN202020219019U CN213467413U CN 213467413 U CN213467413 U CN 213467413U CN 202020219019 U CN202020219019 U CN 202020219019U CN 213467413 U CN213467413 U CN 213467413U
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- reverse osmosis
- membrane layer
- osmosis membrane
- filter element
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Abstract
The utility model provides a deformation water guide type filter element structure, which comprises a shell with an inner cavity, wherein the shell is provided with an original water gap, a pure water gap and a waste water gap; a filter assembly is arranged in the inner cavity and comprises a filter material module, and the filter material module comprises a central pipe and a reverse osmosis membrane layer arranged around the central pipe; the reverse osmosis membrane layer is provided with a raw water input end and a waste water output end; the waste water output end is provided with a deformation water guide structure which can generate deformation change under the pressure of a water source; through the setting of this filter core structure, effectively solve the problem that corresponding purifier initial effluent TDS exceeds standard, guarantee that user's drinking water is healthy.
Description
Technical Field
The utility model relates to a water purification unit technical field, concretely relates to deformation water guide formula filter core structure.
Background
In the water purifier in the prior art, or a reverse osmosis filter element is applied for filtration, after the water purifier is shut down for a long time, water originally on a raw water side or a concentrated water side in the reverse osmosis filter element permeates to a pure water end of a membrane, and a solute with high TDS on the concentrated water side of the membrane permeates to the pure water side, so that the TDS of the pure water end is higher; when the water purifier discharges water again, the TDS exceeds the standard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a deformation water guide formula filter core structure for overcoming prior art's not enough.
The deformation water guide type filter element structure comprises a shell with an inner cavity, wherein a raw water port, a pure water port and a waste water port which are communicated with the inner cavity are arranged on the shell; a filter assembly is arranged in the inner cavity and comprises a filter material module, and the filter material module comprises a central pipe and a reverse osmosis membrane layer arranged around the central pipe; the reverse osmosis membrane layer is provided with a raw water input end and a waste water output end; the waste water output end is provided with a deformation water guide structure which can generate deformation change under the pressure of a water source; the deformed water guide structure guides the wastewater output by the wastewater output end to be led out along a direction away from the filter material module; the raw water port is communicated with the raw water input end, the pure water port is communicated with the central pipe, and a guide communication used for leading out waste water in a one-way mode is formed between the waste water output end and the waste water port through the deformation water guide structure.
Furthermore, the deformation change of the deformation water guide structure caused by the pressure of the water source is elastic deformation change.
Further, the device also comprises a water collecting part for guiding the collected wastewater; the water collecting part comprises a seat body, a mounting cavity used for being matched with the waste water output end in mounting and connecting mode is arranged on the seat body, a water receiving opening is formed in the bottom of the mounting cavity, and the deformation water guide structure is arranged corresponding to the position of the water receiving opening.
Furthermore, the deformation water guide structure comprises a sealing block which is arranged on the lower side of the water receiving port in a sealing manner; when falling into in the installation cavity when having the water source, the blocking piece upside receives to have the water source pressure of water receiving mouth position produces elastic deformation to the exhibition is shown the water receiving mouth is led this installation intracavity waste water to export to one-way.
Furthermore, the water receiving openings are at least two, each water receiving opening is arranged around the shaft, and each water receiving opening is arranged to be integrally arranged in a circular shape.
Furthermore, an installation hole is formed in the arrangement axis position of each water receiving port, the deformation water guide structure further comprises an assembly shaft matched with the installation hole, and the sealing and stopping block is connected to the assembly shaft and arranged on the lower side of each water receiving port; the material of sealing the dog is the elasticity material, the external diameter of sealing the dog is greater than each the external diameter that the water receiving mouth arranged the position.
Furthermore, the material of the sealing block is rubber.
Furthermore, one side of each water receiving port, which is far away from the arrangement axis position of the water receiving port, is arranged in a trend of being far away from the installation cavity; the lower sides of the water receiving openings are integrally arranged in an arc arch shape; the sealing stop blocks are arranged in an arc shape to be matched and attached to the lower side positions of the water receiving openings.
Furthermore, the bottom in the installation cavity is provided with a plurality of supporting blocks for supporting the filter material module, and the upper surface side of each supporting block and the position of the water receiving port have a height difference.
Furthermore, the water receiving port is arranged at the central position of the installation cavity, the number of the supporting blocks is at least three, and the supporting blocks are arranged around the position of the water receiving port and are uniformly distributed along the radial direction of the installation cavity.
Further, the outer peripheral side of the reverse osmosis membrane layer is enclosed by a sealing membrane layer, so that the raw water inlet end is formed at one end of the reverse osmosis membrane layer, and the waste water outlet end is formed at the other end of the reverse osmosis membrane layer.
Further, the outer periphery of the reverse osmosis membrane layer is in an open state, and the raw water inlet end is formed on the outer periphery of the reverse osmosis membrane layer; one end position of the reverse osmosis membrane layer is provided with a first sealing assembly to form sealing, and the other end position of the reverse osmosis membrane layer is provided with the wastewater output end.
Furthermore, the peripheral side of the reverse osmosis membrane layer is enclosed by a closed membrane layer, an opening is formed in the closed membrane layer, the deformation water guide structure is connected to the position of the opening, and the waste water output end is formed on the peripheral side of the reverse osmosis membrane layer; and a second sealing assembly is arranged at one end of the reverse osmosis membrane layer to form sealing, and the other end of the reverse osmosis membrane layer is formed into the raw water inlet end.
The beneficial effects of the utility model reside in that:
this filter core structure's setting, through the application of its deformation water guide structure, effectively the filter media module is kept away from in the one-way derivation of guide waste water, avoids waste water to pile up in the waste water output to avoid waste water to the condition of the pure water end infiltration of reverse osmosis filter core effectively, effectively solve the problem that corresponding purifier initial effluent TDS exceeds standard, guarantee that user's drinking water is healthy.
Drawings
Fig. 1 is a schematic view of a combined structure of a water collecting part and a deformation water guiding structure of the present invention;
fig. 2 is a combined cutting schematic view of the water collecting part and the deformation water guiding structure of the present invention;
fig. 3 is a partial schematic view of the combined use state of the water collecting part and the deformation water guiding structure of the present invention;
fig. 4 to 6 are schematic structural views of various filter element structural changes of the present invention;
description of reference numerals:
the seat body 100, the mounting cavity 101, the water receiving port 102, the mounting hole 103, the supporting block 104, the deformed water guiding structure 105, the blocking block 106, the mounting shaft 107, the water receiving hole,
A filter material module 200, a central pipe 201, a reverse osmosis membrane layer 202, a raw water input end 203, a waste water output end 204, a first sealing component 205, a second sealing component 206, a sealing membrane layer 207,
A shell 300, a raw water port 301, a pure water port 302 and a waste water port 303.
Detailed Description
In order to make the technical solution, objects and advantages of the present invention more clearly understood, the present invention is further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 4, the deformation water guide type filter element structure of the present invention includes a housing 300 having an inner cavity, wherein the housing 300 is provided with a raw water port 301, a pure water port 302 and a waste water port 303, which are communicated with the inner cavity; a filtering assembly is arranged in the inner cavity, the filtering assembly comprises a filtering material module 200, and the filtering material module 200 comprises a central pipe 201 and a reverse osmosis membrane layer 202 arranged around the central pipe 201; the reverse osmosis membrane layer 202 is provided with a raw water input end 203 and a waste water output end 204; the waste water output end 204 is provided with a deformation water guide structure 105 which can generate elastic deformation change under the pressure of a water source; the deformed water guide structure 105 guides the wastewater output by the wastewater output end 204 to be led away from the filter material module 200 in a single direction; the raw water port 301 is communicated with the raw water input end 203, the pure water port 302 is communicated with the central pipe 201, and the wastewater output end 204 is communicated with the wastewater port 303 through the guide formed by the deformation water guide structure 105 and used for guiding wastewater in a one-way mode.
Specifically, a water collecting part for collecting wastewater is arranged on the filter material module 200; the water collecting part comprises a seat body 100, an installation cavity 101 used for being matched with the waste water output end 204 in an assembling mode is arranged on the seat body 100, a water receiving opening 102 is formed in the bottom of the installation cavity 101, the deformation water guide structure 105 is arranged on the position, corresponding to the water receiving opening 102, of the bottom side of the seat body 100, and the deformation water guide structure 105 is arranged on the sealing block 106 arranged on the lower side of the water receiving opening 102 in a sealing mode; when a water source falls into the installation cavity 101, the upper side of the sealing block 106 is subjected to the pressure of the water source at the position of the water receiving opening 102 to generate elastic deformation so as to expose the water receiving opening 102 and guide the wastewater in the installation cavity 101 to be led out outwards in a one-way manner. At least two water receiving ports 102 are arranged, each water receiving port 102 is arranged around a shaft, and each water receiving port 102 is arranged in a circular shape as a whole; the arrangement axis position of each water receiving port 102 is provided with an installation hole 103, the deformation water guide structure further comprises an installation shaft 107 matched with the installation hole 103, and the blocking block 106 is connected to the installation shaft 107 and arranged on the lower side of each water receiving port 102; the application material of the blocking block 106 is elastic material such as rubber, and the outer diameter of the blocking block 106 is larger than the outer diameter of the arrangement position of each water receiving port 102; one side of each water receiving port 102, which is far away from the arrangement axis position of the water receiving port, is arranged in a trend of being far away from the installation cavity 101; the lower sides of the water receiving openings 102 are integrally arranged in an arc arch shape; the blocking blocks 106 are arranged in an arc shape to fit and attach to the lower side of each of the water receiving openings 102.
The application principle is as follows:
through the arrangement of the water collecting part and the deformation water guiding structure 105, when a water source falls into the installation cavity 101, the upper side of the sealing block 106 receives the pressure of the water source and generates corresponding elastic deformation bending, so that the water receiving port 102 is exposed, and the water source can be discharged outwards;
when the pressure of the water source in the installation cavity 101 is reduced and the externally discharged water source is under the external force, a reverse acting force is applied to the lower side of the blocking block 106, so that the water source has the tendency of flowing into the installation cavity 101; based on the condition that the lower side of the blocking block 106 is closed and arranged at the lower side of the water receiving openings 102, and the outer diameter of the blocking block 106 is larger than the outer diameter of the arrangement position of each water receiving opening 102, the blocking block 106 can effectively block an external water source, so that the deformed water guide structure 105 has the technical characteristic of guiding the water source to be discharged outwards in a unidirectional manner.
The deformation water guide structure 105 is elastically deformed by the elastic characteristic of the material of the blocking piece 106, so that the deformation water guide structure 105 can automatically close or open according to the pressure of a water source falling into the wastewater, and the wastewater one-way guiding function of the structure is realized.
Through this setting in the deformation water guide structure 105 setting of waste water output 204, the utility model discloses a filter core structure can avoid the condition that TDS exceeds standard and goes out water effectively.
Furthermore, a plurality of supporting blocks 104 for supporting the filter material module 200 are arranged at the bottom in the mounting cavity 101, and a height difference is formed between the upper surface side of each supporting block 104 and the position of the water receiving port 102; the water receiving port 102 is arranged at the central position of the installation cavity 101, at least three supporting blocks 104 are arranged, and each supporting block 104 is arranged around the position of the water receiving port 102 and uniformly distributed along the radial direction of the installation cavity 101.
Through the arrangement of the multiple groups of supporting blocks 104, the position of the waste water output end 204 is supported, and waste water can flow into the installation cavity 101 conveniently; and further through the cooperation setting of its valve installation department and deformation water guide structure 105, can satisfy the needs that the waste water source well derived, avoid waste water to store up the possibility of jam.
Example 1:
as shown in fig. 4, in the present embodiment, the housing 300 of the filter element structure is integrally cylindrical, the internal filtering component of the filter element structure is vertically arranged along the axial direction of the housing 300, the outer peripheral side of the reverse osmosis membrane layer 202 is enclosed by the sealing membrane layer 207, the raw water input end 203 is arranged at the upper end of the reverse osmosis membrane layer 202, and the waste water output end 204 is arranged at the lower end; the corresponding deformed water guiding structure 105 is arranged at the lower side of the filtering component in cooperation with the wastewater output end 204; the filter element structure has a corresponding waste water one-way water guide function and has better universality and installation performance.
Example 2:
as shown in fig. 5, in the present embodiment, when the inner filtering component of the filter element structure is vertically arranged along the axial direction of the housing, the outer peripheral side of the reverse osmosis membrane layer 202 is in an open state, and the raw water inlet end is formed on the outer peripheral side of the reverse osmosis membrane layer 202; the upper end of the reverse osmosis membrane layer 202 is provided with a first sealing assembly 205 to form a seal, and the lower end thereof is provided with the wastewater output end 204; the corresponding deformed water guiding structure 105 is arranged at the lower side of the filtering component in cooperation with the wastewater output end 204; this filter core structure possesses corresponding one-way water guide function of waste water simultaneously, and the side direction form of intaking through opening the setting, and can increase the area of raw water input 203, promotes the speed of the raw water input of filter assembly, is favorable to accelerating the speed of preparing of pure water, simultaneously in response to the setting that this side intake, makes the inner structure and the water route setting of filter core have more change adjustments to be favorable to setting up according to the user demand of difference.
Example 3:
as shown in fig. 6, in this embodiment, the filter element structure is different from the above embodiments in that, when its internal filtering component is vertically arranged along the axial direction of the housing, the outer peripheral side of the reverse osmosis membrane layer 202 is enclosed by a closed membrane layer 207, and the closed membrane layer 207 is opened to form the waste water output end 204; the corresponding deformation water guide structure 105 is arranged on the outer periphery of the filter assembly in cooperation with the wastewater output end 204; a second sealing component 206 is arranged at one end of the reverse osmosis membrane layer 202 to form a seal, and the other end of the reverse osmosis membrane layer 202 is formed as the raw water inlet end; then this filter core structure possesses corresponding one-way water guide function of waste water simultaneously, has guaranteed that under filter core or the horizontal condition of placing of filter media subassembly, the efficiency and the effect of water purification unit water purification still can keep in the characteristics of high water level.
The above is only the preferred embodiment of the present invention, and to the technical personnel in the technical field, without departing from the present invention, the embodiment can still be modified, and the corresponding modification should also be regarded as the protection scope of the present invention.
Claims (10)
1. The deformation water guide type filter element structure comprises a shell with an inner cavity, wherein a raw water port, a pure water port and a waste water port which are communicated with the inner cavity are arranged on the shell; a filter assembly is arranged in the inner cavity and comprises a filter material module, and the filter material module comprises a central pipe and a reverse osmosis membrane layer arranged around the central pipe; the reverse osmosis membrane layer is provided with a raw water input end and a waste water output end; the device is characterized in that a deformation water guide structure which can generate deformation change under the pressure of a water source is arranged at the position of the wastewater output end; the deformed water guide structure guides the wastewater output by the wastewater output end to be led out along a direction away from the filter material module; the raw water port is communicated with the raw water input end, the pure water port is communicated with the central pipe, and a guide communication used for leading out waste water in a one-way mode is formed between the waste water output end and the waste water port through the deformation water guide structure.
2. The shape-changing water guide filter element structure of claim 1, wherein the shape-changing water guide structure changes into elastic shape-changing when being subjected to the pressure of the water source.
3. The shape-changing water-conducting filter element structure as claimed in claim 2, further comprising a water collecting part for guiding the collection of waste water; the water collecting part comprises a seat body, an installation cavity used for being matched with the wastewater output end in an assembling mode is arranged on the seat body, a water receiving port is formed in the bottom of the installation cavity, and the deformation water guide structure is arranged in a position corresponding to the water receiving port; the deformation water guide structure comprises a sealing stop block arranged on the lower side of the water receiving port in a sealing mode; when falling into in the installation cavity when having the water source, the blocking piece upside receives to have the water source pressure of water receiving mouth position produces elastic deformation to the exhibition is shown the water receiving mouth is led this installation intracavity waste water to export to one-way.
4. The shape-changing water-guiding filter element structure as claimed in claim 3, wherein at least two water receiving ports are provided, each water receiving port is arranged around a shaft, and each water receiving port is arranged in a circular shape as a whole; the arrangement axis position of each water receiving port is provided with a mounting hole, the deformation water guide structure further comprises an assembling shaft matched with the mounting hole, and the sealing block is connected to the assembling shaft and arranged on the lower side of each water receiving port; the material of sealing the dog is the elasticity material, the external diameter of sealing the dog is greater than each the external diameter that the water receiving mouth arranged the position.
5. The filter element structure of claim 4, wherein the side of each water receiving opening away from the axial center of the filter element structure is disposed in a manner of being away from the installation cavity; the lower sides of the water receiving openings are integrally arranged in an arc arch shape; the sealing stop blocks are arranged in an arc shape to be matched and attached to the lower side positions of the water receiving openings.
6. The filter element structure of claim 3, wherein a plurality of support blocks are disposed at the bottom of the installation cavity for supporting the filter element module, and the top side of each support block has a height difference with the position of the water receiving port.
7. The filter element structure of claim 6, wherein the water receiving opening is disposed at a central position of the installation cavity, and the number of the supporting blocks is at least three, and each supporting block is disposed around the water receiving opening and uniformly distributed along a radial direction of the installation cavity.
8. The filter element structure of any one of claims 1 to 7, wherein the reverse osmosis membrane is enclosed by a sealing membrane at an outer circumferential side thereof such that the raw water inlet port is formed at one end of the reverse osmosis membrane and the waste water outlet port is formed at the other end thereof.
9. The filter element structure of any one of claims 1 to 7, wherein the reverse osmosis membrane layer is open at the outer periphery, and the raw water inlet end is formed at the outer periphery of the reverse osmosis membrane layer; one end position of the reverse osmosis membrane layer is provided with a first sealing assembly to form sealing, and the other end position of the reverse osmosis membrane layer is provided with the wastewater output end.
10. The filter element structure of any one of claims 1 to 7, wherein a closed membrane layer is enclosed on the outer periphery of the reverse osmosis membrane layer, an opening is formed on the closed membrane layer, and the deformed water guiding structure is connected to the opening, so that the wastewater output end is formed on the outer periphery of the reverse osmosis membrane layer; and a second sealing assembly is arranged at one end of the reverse osmosis membrane layer to form sealing, and the other end of the reverse osmosis membrane layer is formed into the raw water inlet end.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019215375732 | 2019-09-17 | ||
| CN201921537573 | 2019-09-17 |
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| Publication Number | Publication Date |
|---|---|
| CN213467413U true CN213467413U (en) | 2021-06-18 |
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Family Applications (15)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020218349.3U Active CN212819173U (en) | 2019-09-17 | 2020-02-27 | Simple filtering component with side water outlet |
| CN202020218968.2U Active CN212819174U (en) | 2019-09-17 | 2020-02-27 | Novel filter assembly with side water inlet |
| CN202020218982.2U Active CN212819175U (en) | 2019-09-17 | 2020-02-27 | Side-feeding type filter element structure |
| CN202020219104.2U Active CN212142142U (en) | 2019-09-17 | 2020-02-27 | Filter assembly and filter element structure applying same |
| CN202020218325.8U Active CN212523679U (en) | 2019-09-17 | 2020-02-27 | Filter assembly with side water outlet and filter element structure using filter assembly |
| CN202020219316.0U Active CN212819177U (en) | 2019-09-17 | 2020-02-27 | Simple filtering component with side water inlet |
| CN202020219033.6U Active CN212790510U (en) | 2019-09-17 | 2020-02-27 | Simple filter element structure |
| CN202020219019.6U Active CN213467413U (en) | 2019-09-17 | 2020-02-27 | Deformation water guide type filter element structure |
| CN202020218350.6U Active CN212790509U (en) | 2019-09-17 | 2020-02-27 | Side-discharge type filter element structure |
| CN202020219123.5U Active CN212142143U (en) | 2019-09-17 | 2020-02-27 | Elastic water guide type filter element structure |
| CN202020219285.9U Active CN212523680U (en) | 2019-09-17 | 2020-02-27 | Side filter assembly that intakes and use its filter core structure |
| CN202020218554.XU Active CN213467412U (en) | 2019-09-17 | 2020-02-27 | Novel filter assembly with side water outlet and filter element structure using novel filter assembly |
| CN202020219338.7U Active CN212142144U (en) | 2019-09-17 | 2020-02-27 | Simple filtering assembly and filter element structure applying same |
| CN202020219031.7U Active CN212819176U (en) | 2019-09-17 | 2020-02-27 | Vertical filter element structure |
| CN202020219319.4U Active CN212790511U (en) | 2019-09-17 | 2020-02-27 | Novel filtering component |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020218349.3U Active CN212819173U (en) | 2019-09-17 | 2020-02-27 | Simple filtering component with side water outlet |
| CN202020218968.2U Active CN212819174U (en) | 2019-09-17 | 2020-02-27 | Novel filter assembly with side water inlet |
| CN202020218982.2U Active CN212819175U (en) | 2019-09-17 | 2020-02-27 | Side-feeding type filter element structure |
| CN202020219104.2U Active CN212142142U (en) | 2019-09-17 | 2020-02-27 | Filter assembly and filter element structure applying same |
| CN202020218325.8U Active CN212523679U (en) | 2019-09-17 | 2020-02-27 | Filter assembly with side water outlet and filter element structure using filter assembly |
| CN202020219316.0U Active CN212819177U (en) | 2019-09-17 | 2020-02-27 | Simple filtering component with side water inlet |
| CN202020219033.6U Active CN212790510U (en) | 2019-09-17 | 2020-02-27 | Simple filter element structure |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020218350.6U Active CN212790509U (en) | 2019-09-17 | 2020-02-27 | Side-discharge type filter element structure |
| CN202020219123.5U Active CN212142143U (en) | 2019-09-17 | 2020-02-27 | Elastic water guide type filter element structure |
| CN202020219285.9U Active CN212523680U (en) | 2019-09-17 | 2020-02-27 | Side filter assembly that intakes and use its filter core structure |
| CN202020218554.XU Active CN213467412U (en) | 2019-09-17 | 2020-02-27 | Novel filter assembly with side water outlet and filter element structure using novel filter assembly |
| CN202020219338.7U Active CN212142144U (en) | 2019-09-17 | 2020-02-27 | Simple filtering assembly and filter element structure applying same |
| CN202020219031.7U Active CN212819176U (en) | 2019-09-17 | 2020-02-27 | Vertical filter element structure |
| CN202020219319.4U Active CN212790511U (en) | 2019-09-17 | 2020-02-27 | Novel filtering component |
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| CN (15) | CN212819173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888937A (en) * | 2019-09-17 | 2020-11-06 | 广东韦博科技有限公司 | Novel filtering component and filter element structure applying same |
-
2020
- 2020-02-27 CN CN202020218349.3U patent/CN212819173U/en active Active
- 2020-02-27 CN CN202020218968.2U patent/CN212819174U/en active Active
- 2020-02-27 CN CN202020218982.2U patent/CN212819175U/en active Active
- 2020-02-27 CN CN202020219104.2U patent/CN212142142U/en active Active
- 2020-02-27 CN CN202020218325.8U patent/CN212523679U/en active Active
- 2020-02-27 CN CN202020219316.0U patent/CN212819177U/en active Active
- 2020-02-27 CN CN202020219033.6U patent/CN212790510U/en active Active
- 2020-02-27 CN CN202020219019.6U patent/CN213467413U/en active Active
- 2020-02-27 CN CN202020218350.6U patent/CN212790509U/en active Active
- 2020-02-27 CN CN202020219123.5U patent/CN212142143U/en active Active
- 2020-02-27 CN CN202020219285.9U patent/CN212523680U/en active Active
- 2020-02-27 CN CN202020218554.XU patent/CN213467412U/en active Active
- 2020-02-27 CN CN202020219338.7U patent/CN212142144U/en active Active
- 2020-02-27 CN CN202020219031.7U patent/CN212819176U/en active Active
- 2020-02-27 CN CN202020219319.4U patent/CN212790511U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888937A (en) * | 2019-09-17 | 2020-11-06 | 广东韦博科技有限公司 | Novel filtering component and filter element structure applying same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN213467412U (en) | 2021-06-18 |
| CN212142143U (en) | 2020-12-15 |
| CN212819174U (en) | 2021-03-30 |
| CN212819175U (en) | 2021-03-30 |
| CN212819177U (en) | 2021-03-30 |
| CN212790509U (en) | 2021-03-26 |
| CN212819176U (en) | 2021-03-30 |
| CN212819173U (en) | 2021-03-30 |
| CN212142144U (en) | 2020-12-15 |
| CN212142142U (en) | 2020-12-15 |
| CN212523679U (en) | 2021-02-12 |
| CN212523680U (en) | 2021-02-12 |
| CN212790510U (en) | 2021-03-26 |
| CN212790511U (en) | 2021-03-26 |
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