Self-cleaning device for filter element of water purifier
By utilizing the design of the turbine fan blade transmission mechanism and cleaning rod, the water purifier filter element is self-cleaned using the kinetic energy of the raw water. This solves the problem of impurity accumulation in traditional filter elements, reduces energy consumption, extends service life, improves water quality, and enhances maintenance convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional water purifier filter cartridges accumulate impurities after long-term use, leading to decreased filtration efficiency and shortened lifespan. Existing automatic cleaning devices are energy-intensive and have unsatisfactory cleaning effects.
The turbine fan blade drive mechanism uses the original water power to drive the cleaning mechanism. Combined with the double filter layer and detachable design, the filter element is self-cleaned through threaded connection. The cleaning rod drives the cleaning brush to clean the surface of the filter element 360° without dead angles.
It achieves self-cleaning without external power, effectively removes impurities from the filter element surface, maintains stable filtration flux, extends filter element life, improves effluent water quality, and simplifies maintenance.
Smart Images
Figure CN224030694U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of water purifiers and specifically relates to a filter core self-cleaning device of a water purifier. BACKGROUND
[0002] In daily life and industrial production, water purifiers are increasingly used, which can effectively remove harmful substances such as impurities and bacteria in water to provide clean and safe water for people. However, the filter core of a traditional water purifier will gradually accumulate a large amount of impurities such as silt, rust, bacteria and organic matter on the surface after long-term use, which not only reduces the filtering efficiency of the filter core and affects the water quality, but also shortens the service life of the filter core, and the filter core needs to be frequently replaced, increasing the use cost and maintenance workload.
[0003] In order to solve the above problems, some water purifiers use a manual cleaning method, but this method is not only cumbersome to operate, but also often has unsatisfactory cleaning effect and cannot completely remove the impurities inside the filter core. Some water purifiers use automatic cleaning technology, but some automatic cleaning devices need an additional power source, which increases energy consumption and equipment cost, and the cleaning effect and stability need to be improved. SUMMARY
[0004] (I) Technical problems solved
[0005] In view of the deficiencies of the prior art, the application provides a filter core self-cleaning device of a water purifier.
[0006] (II) Technical solutions
[0007] To solve the above problems, the application provides the following technical solutions: a filter core self-cleaning device of a water purifier, comprising a filter core shell and a mounting cover, the filter core shell is connected below the mounting cover through threads, the filter core shell and the mounting cover are in communication with each other inside, a partition plate is arranged inside the mounting cover, and a plurality of filter holes are formed in the partition plate;
[0008] A water inlet is arranged at the upper end of the mounting cover, the water inlet is in communication with the upper side of the partition plate, is used for inputting raw water into the inside of the mounting cover, and inputs the raw water into the inside of the filter core shell through the partition plate, a filter core is sleeved in the inside of the filter core shell and is used for filtering the raw water, and a drain port is arranged at the bottom of the filter core shell and is used for outputting purified water after purification;
[0009] The upper end of the installation cover is provided with a turbine blade transmission mechanism, which is rotationally connected to the upper side of the partition plate, and comprises a rotating shaft, which is provided with turbine blades.
[0010] Preferably, the outer side of the connection between the filter core shell and the installation cover is provided with a first thread, the inner side of the connection between the installation cover and the filter core shell is provided with a second thread, the first thread is matched with the second thread, and the filter core shell is installed below the installation cover.
[0011] Preferably, the cleaning mechanism comprises a connecting rod, one end of the connecting rod is fixedly installed at the lower end of the rotating shaft, the other end of the connecting rod is provided with a first bearing seat below, the first bearing seat is rotationally connected with a cleaning rod inside, the cleaning rod is located outside the filter core, and a plurality of groups of cleaning brushes are arranged in a circumferential array on the cleaning rod.
[0012] Preferably, the cleaning brush is supported by soft silica gel material.
[0013] Preferably, the lower end of the cleaning rod is rotationally connected to a support seat through a second bearing seat, and a roller is arranged below the support seat.
[0014] Preferably, the bottom of the filter core shell is provided with a walking base, and the roller walks on the walking base to drive the cleaning rod to rotate around the outside of the filter core.
[0015] Preferably, the cleaning rod is rotationally connected between the first bearing seat and the second bearing seat, and when the cleaning rod rotates around the filter core, the cleaning rod rotates by itself through the contact between the cleaning brush and the filter core, so as to clean the surface of the filter core.
[0016] Preferably, the filter core comprises a first filter layer and a first filter layer, the first filter layer is located outside the first filter layer, and the first filter layer is hollow inside.
[0017] Preferably, the filter core shell is provided with a center hole pipe inside, the lower end of the center hole pipe is communicated with the drain port, and the filter core is sleeved and installed on the center hole pipe.
[0018] Preferably, the bottom of the filter core shell is provided with a blowdown valve, which is used to discharge impurities cleaned from the filter core.
[0019] (Three) beneficial effects
[0020] Compared with the prior art, the water purifier filter core self-cleaning device has the following advantages
[0021] Advantages:
[0022] 1. The water purifier filter core self-cleaning device converts the kinetic energy of raw water into mechanical energy through the turbine vane transmission mechanism, without the need for external power driving, thereby reducing energy consumption cost; the revolution and rotation movement of the cleaning rod realizes 360° dead angle-free brushing, effectively removes impurities such as silt and organic matter attached to the surface of the filter core, maintains stable filtration flux, and improves the service life of the filter core.
[0023] 2. The water purifier filter core self-cleaning device adopts a double-layer filter layer, the outer layer of which intercepts large-particle impurities, and the inner layer of which processes fine pollutants, thereby significantly improving the water quality of the outlet water; the center hole pipe is directly connected with the water outlet, thereby shortening the path of the purified water, reducing resistance, and ensuring the outlet water efficiency.
[0024] 3. The water purifier filter core self-cleaning device, the filter core shell and the installation cover are connected through threads, and can be quickly disassembled for filter core replacement or internal cleaning; the bottom blowdown valve can be periodically opened to discharge deposited impurities, thereby avoiding the cumbersome operation of manual disassembly and cleaning.
[0025] 4. The water purifier filter core self-cleaning device, the cleaning rod is matched with the walking base through the first bearing seat, the second bearing seat and the roller, thereby ensuring stable cleaning movement and reducing mechanical wear; the cleaning brush is made of soft silica gel material, which protects the surface of the filter core from being scratched while efficiently cleaning, thereby prolonging the service life of the filter core.
[0026] Additional aspects and advantages of the application will be in part apparent and in part pointed out hereinafter in the description of the application. BRIEF DESCRIPTION OF DRAWINGS
[0027] The above and / or additional aspects and advantages of the application will become apparent and be readily understood from the description of the embodiments, combined with the accompanying drawings, in which:
[0028] Figure 1 FIG. 1 is a structural schematic view of a water purifier filter core self-cleaning device according to the present application;
[0029] Figure 2 FIG. 2 is a structural schematic view of the inside of the water purifier filter core self-cleaning device according to the present application;
[0030] Figure 3 FIG. 3 is a structural schematic view of a cleaning mechanism according to the present application;
[0031] Figure 4 FIG. 4 is a structural schematic view of the working of the cleaning mechanism according to the present application.
[0032] 100, filter core shell; 101, drain port; 102, first thread; 103, blowdown valve; 104, walking base; 105, center hole pipe; 200, mounting cover; 201, water inlet; 202, second thread; 300, rotating shaft; 301, turbine blade; 400, partition plate; 500, filter core; 501, first filter layer; 502, second filter layer; 601, connecting rod; 602, cleaning rod; 603, first bearing seat; 604, second bearing seat; 605, cleaning brush; 606, support seat; 607, roller. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0034] The terms "first", "second" in the description and claims of the present application can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specified. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in an "or" relationship.
[0035] In the description of the present application, it should be understood that the terms "center", "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 indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0036] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0037] Please refer to Figures 1-4 The application provides a new technical solution: a water purifier filter core self-cleaning device, comprising a filter core shell 100 and a mounting cover 200, the filter core shell 100 is connected below the mounting cover 200 by threads, the filter core shell 100 is connected with the inside of the mounting cover 200, a partition plate 400 is arranged in the inside of the mounting cover 200, and a plurality of filter holes are formed in the partition plate 400;
[0038] A water inlet 201 is arranged at the upper end of the mounting cover 200, the water inlet 201 is connected with the upper side of the partition plate 400, is used for inputting raw water into the inside of the mounting cover 200, and inputs the raw water into the inside of the filter core shell 100 through the partition plate 400, a filter core 500 is sleeved in the inside of the filter core shell 100, and is used for filtering the raw water, and a water outlet 101 is arranged at the bottom of the filter core shell 100, and is used for outputting purified water.
[0039] A turbine vane transmission mechanism is arranged at the upper end in the inside of the mounting cover 200, the turbine vane transmission mechanism is rotationally connected to the upper side of the partition plate 400, the turbine vane transmission mechanism comprises a rotating shaft 300, a turbine vane 301 is arranged on the rotating shaft 300, the turbine vane 301 is driven to rotate the rotating shaft 300 through the input of the raw water, a cleaning mechanism is connected to the lower end of the rotating shaft 300, the cleaning mechanism is located below the partition plate 400, the cleaning mechanism is driven to rotate around the outer surface of the filter core 500 through the rotation of the rotating shaft 300, and is used for cleaning the surface of the filter core 500.
[0040] The raw water enters from the water inlet 201 of the mounting cover 200 and reaches the upper side of the partition plate 400; the flow of the raw water drives the turbine vane 301 of the turbine vane transmission mechanism to rotate, and then drives the rotating shaft 300 to rotate; the cleaning mechanism connected to the lower end of the rotating shaft 300 rotates around the outer surface of the filter core 500; the raw water flows into the inside of the filter core shell 100 through the filter holes on the partition plate 400, the filter core 500 filters the raw water, and the purified water is output from the water outlet 101 at the bottom of the filter core shell 100.
[0041] The turbine vane 301 and the cleaning mechanism are driven by the self-power of the raw water, without external energy, so that the self-cleaning effect is realized, the cleaning mechanism removes impurities on the surface of the filter core 500 through the rotating brush, the filtering efficiency is maintained, and the service life of the filter core 500 is prolonged.
[0042] In some embodiments, a first thread 102 is arranged outside the connection between the filter core shell 100 and the mounting cover 200, a second thread 202 is arranged inside the connection between the mounting cover 200 and the filter core shell 100, the first thread 102 is matched with the second thread 202, the filter core shell 100 is installed below the mounting cover 200, detachable installation is realized, and the filter core is convenient to maintain and replace.
[0043] In some embodiments, the cleaning mechanism comprises a connecting rod 601, one end of which is fixedly installed below the lower end of the rotating shaft 300, and the other end of which is provided below with a first bearing seat 603, the inside of which is rotatably connected with a cleaning rod 602, which is located outside the filter core 500, and on which a plurality of groups of cleaning brushes 605 are arranged in a circumferential array, for cleaning the outside of the filter core 500. The cleaning brushes 605 can cover the entire outer surface of the filter core 500, ensuring thorough cleaning.
[0044] In this embodiment, the cleaning brushes 605 are supported by soft silica gel material. When contacting the filter core 500, they can maintain cleaning force and avoid scratching.
[0045] In this embodiment, the lower end of the cleaning rod 602 is rotatably connected to a support seat 606 through a second bearing seat 604, and the support seat 606 is provided below with a roller 607. The design of the roller 607 enables the cleaning rod 602 to move smoothly along the outer surface of the filter core 500, improving cleaning efficiency.
[0046] In this embodiment, the bottom of the filter core shell 100 is provided with a walking base 104, and the roller 607 walks on the walking base 104, for driving the cleaning rod 602 to rotate around the outside of the filter core 500. The roller 607 cooperates with the walking base 104 to provide stable support and guidance for the cleaning rod 602, ensuring accurate cleaning path.
[0047] In some embodiments, the cleaning rod 602 is rotatably connected between the first bearing seat 603 and the second bearing seat 604, and when the cleaning rod 602 rotates around the filter core 500, it is driven to rotate by the cleaning brushes 605 contacting the filter core 500, for cleaning the surface of the filter core 500. The rotation motion enables the cleaning brushes 605 to contact the filter core 500 at multiple angles, improving cleaning thoroughness.
[0048] In some embodiments, the filter core 500 comprises a first filter layer 501 and a first filter layer 502, the first filter layer 501 is located outside the first filter layer 502, and the first filter layer 502 is internally hollow. The first filter layer 501 is used to filter large particle impurities, and the first filter layer 502 is used to filter small particle impurities. The first filter layer 501 adopts coarse filter material (such as PP cotton, sintered activated carbon or metal mesh), has larger pores, and is used to intercept large particle impurities (such as silt, rust and suspended solids); the first filter layer 502 adopts fine filter material (such as ultrafiltration membrane, RO reverse osmosis membrane or high-precision activated carbon), has smaller pores, and is used to filter small particle impurities (such as bacteria, organic matter and heavy metal ions); the first filter layer 501 serves as primary filtration, reduces the burden of the second filter layer 502, and prolongs the service life of the second filter layer 502; and the second filter layer 502 serves as the core filter layer and ensures the water quality.
[0049] In some embodiments, the filter core shell 100 is internally provided with a central hole pipe 105, the lower end of the central hole pipe 105 is connected with the water outlet 101, and the filter core 500 is sleeved and installed on the central hole pipe 105. The filter core 500 is sleeved on the central hole pipe 105, and the filtered water is collected to the water outlet 101 through the central hole pipe 105. The central hole pipe 105 provides a stable water outlet channel and ensures efficient discharge of the filtered water.
[0050] In some embodiments, the bottom of the filter core shell 100 is provided with a blowdown valve 103, and the blowdown valve 103 is used to discharge impurities cleaned from the filter core 500. The blowdown valve 103 timely removes impurities, prevents secondary pollution, and maintains a clean environment of the equipment.
[0051] Working principle: when the water purifier filter core self-cleaning device is in use, raw water enters from the water inlet 201 of the installation cover 200 to the upper side of the partition plate 400, and the flow of raw water drives the turbine vane 301 of the turbine vane transmission mechanism to rotate; the turbine vane 301 is connected with the rotating shaft 300, and the rotation of the turbine vane 301 drives the rotating shaft 300 to rotate, and the rotation of the rotating shaft 300 drives the cleaning rod 602 to rotate around the outer surface of the filter core 500 through the connecting rod 601; the cleaning brush 605 on the cleaning rod 602 cleans the outer side of the filter core 500 with the rotation of the cleaning rod 602; and when the cleaning rod 602 rotates around the filter core 500, the friction generated by the contact between the cleaning brush 605 and the filter core 500 drives the cleaning rod 602 to rotate, so that the cleaning brush 605 cleans the surface of the filter core 500 from multiple angles, improving the cleaning effect. The purified water filtered by the filter core 500 is collected through the center hole pipe 105 sleeved in the filter core 500, the lower end of the center hole pipe 105 is connected with the water outlet 101, and the purified water is output from the water outlet 101. After the cleaning mechanism cleans the surface of the filter core 500, the impurities on the filter core 500 will fall to the bottom of the filter core shell 100; at this time, the blowdown valve 103 at the bottom of the filter core shell 100 is opened, and the impurities can be discharged, preventing the impurities from accumulating in the filter core shell 100, avoiding secondary pollution, and maintaining a clean environment of the equipment.
[0052] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0053] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A water purifier filter cartridge self-cleaning device, characterized in that, The filter element housing includes a filter element housing and a mounting cover. The filter element housing is connected to the mounting cover by threads. The filter element housing is in communication with the interior of the mounting cover. A partition is provided inside the mounting cover, and multiple filter holes are provided on the partition. The upper end of the mounting cover is provided with a water inlet, which is connected to the upper side of the partition plate for inputting raw water into the interior of the mounting cover and into the filter element housing through the partition plate. A filter element is fitted inside the filter element housing for filtering the raw water. The bottom of the filter element housing is provided with a drain outlet for outputting purified water. The upper part of the mounting cover is provided with a turbine blade drive mechanism, which is rotatably connected to the upper side of the partition. The turbine blade drive mechanism includes a rotating shaft with turbine blades on it. The turbine blades are driven by the input of raw water to rotate the rotating shaft. The lower end of the rotating shaft is connected to a cleaning mechanism, which is located below the partition. The rotating shaft drives the cleaning mechanism to rotate around the outer surface of the filter element to clean the surface of the filter element.
2. The self-cleaning device for a water purifier filter element according to claim 1, characterized in that, The outer side of the connection between the filter element housing and the mounting cover is provided with a first thread, and the inner side of the connection between the mounting cover and the filter element housing is provided with a second thread. The first thread and the second thread are adapted to each other for installing the filter element housing under the mounting cover.
3. The self-cleaning device for a water purifier filter element according to claim 1, characterized in that, The cleaning mechanism includes a connecting rod, one end of which is fixedly installed at the lower end of the rotating shaft. A first bearing seat is provided below the other end of the connecting rod. A cleaning rod is rotatably connected inside the first bearing seat. The cleaning rod is located on the outside of the filter element. Several sets of cleaning brushes are arranged in a circumferential array on the cleaning rod for cleaning the outside of the filter element.
4. The self-cleaning device for a water purifier filter element according to claim 3, characterized in that, The cleaning brush is supported by a soft silicone material.
5. A self-cleaning device for a water purifier filter element according to claim 3, characterized in that, The lower end of the cleaning rod is rotatably connected to the support base via a second bearing seat, and a roller is provided below the support base.
6. A self-cleaning device for a water purifier filter element according to claim 5, characterized in that, The bottom of the filter element housing is provided with a walking base, and the rollers travel on the walking base to drive the cleaning rod to rotate around the outside of the filter element.
7. A self-cleaning device for a water purifier filter element according to claim 5, characterized in that, The cleaning rod is rotatably connected between the first bearing seat and the second bearing seat. When the cleaning rod rotates around the filter element, the cleaning brush contacts the filter element and drives the cleaning rod to rotate, which is used to clean the surface of the filter element.
8. A self-cleaning device for a water purifier filter element according to claim 7, characterized in that, The filter element includes a first filter layer and a first filter layer, wherein the first filter layer is located outside the first filter layer and the first filter layer is hollow inside.
9. A self-cleaning device for a water purifier filter element according to claim 1, characterized in that, The filter element housing has a central perforated tube inside, the lower end of which is connected to a drain outlet, and the filter element is fitted onto the central perforated tube.
10. A self-cleaning device for a water purifier filter element according to claim 1, characterized in that, A drain valve is provided at the bottom of the filter element housing, which is used to discharge impurities cleaned off the filter element.