Filter element for water purifier, filter element mounting cover and water purifier

Abstract

The utility model provides a filter element for a water purifier, a filter element mounting cover of the filter element and the water purifier. The filter element comprises a filter element body with a filter material and a filter element mounting cover connected to one side of the filter element body, the filter element mounting cover is provided with a filter element water outlet, and at least the outer side face of the filter element body is used for forming a water flow channel with the cavity wall of the filter element containing cavity. The water flow channel is used for receiving inlet water from a water inlet of the water purifier, and water filtered by the filter element main body flows out of the accommodating cavity through the filter element water outlet; the filter element mounting cover comprises a supporting piece and a side wall structure annularly arranged on the periphery of the supporting piece, a mounting groove is defined by the side wall structure and the supporting piece, and the inner side face of the mounting groove and / or the outer side face of the side wall structure are / is used for abutting against and fixing a filter element mounting structure, located in the containing cavity, of the filter barrel; therefore, the filter element is detachably connected with the filter barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to water purification technical field especially, relate to a filter core filter core installation cover and water purifier for water purifier. BACKGROUND

[0002] Nowadays, water sources are polluted due to industrial and technological development, and modern people have higher requirements for water quality, so a large number of water purifiers are produced on the market. General water purifiers can filter general pollutants, chlorine and impurities through different water purification methods. Current water purification methods mainly include reverse osmosis (RO) treatment method, activated carbon filtration method, water softener softening method and distillation method.

[0003] The necessity of green environmental protection lies in guaranteeing the survival and development of human beings. With the growth of global population and economic development, energy consumption is also increasing, and limited energy resources are facing increasing pressure. At the same time, the traditional energy utilization mode has a more and more serious impact on the environment, such as air pollution, greenhouse effect, water resource shortage and other problems. Therefore, we must take measures to ensure the sustainable use of energy and reduce the impact on the environment. However, the filter element on the market has the problems of difficult disassembly and unstable installation, which needs to be improved. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a filter element, a filter element installation cover and a water purifier for a water purifier.

[0005] A filter element installation cover of a filter element for a water purifier is used to connect a filter element main body with filter material. The filter element installation cover has a filter element water outlet. At least the outer side of the filter element main body is used to form a water flow channel between the cavity wall of the filter element receiving cavity. The water flow channel is used to receive water from the water inlet of the water purifier, and the filtered water from the filter element main body flows out of the receiving cavity through the filter element water outlet. The filter element installation cover includes a support and a side wall structure arranged around the periphery of the support. The side wall structure and the support form an installation groove. The inner side of the installation groove and / or the outer side of the side wall structure are used to abut and fix with the filter element installation structure of the filter barrel in the receiving cavity, so as to realize the detachable connection of the filter element and the filter barrel.

[0006] A filter element for a water purifier includes the above filter element installation cover and filter element main body.

[0007] A water purifier includes the above filter element.

[0008] The technical scheme has the advantages or beneficial effects that the filter core mounting cover is arranged, the inner side surface of the mounting groove and / or the outer side surface of the side wall structure are used for abutting and fixing with the filter core mounting structure of the filter drum located in the receiving cavity, so that detachable connection of the filter core and the filter drum is realized, and the filter core has the technical effects of simple structure, stable installation, and convenient disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0009] In the drawings, like reference numbers in the drawings and corresponding reference numbers in the written description designate the same or similar elements or elements. The drawings are not necessarily to scale. It should be understood that the drawings only depict some embodiments in accordance with the present disclosure and should not be considered limiting of the scope of the present disclosure.

[0010] Figure 1 is a perspective view of a first embodiment of the water purifier of the present application;

[0011] Figure 2 is Figure 1 a perspective view of the water purifier from another angle;

[0012] Figure 3 is Figure 1 an exploded view of the water purifier;

[0013] Figure 4 is Figure 1 an exploded view of the water purifier from another angle;

[0014] Figure 5 is Figure 1 a sectional view of the water purifier;

[0015] Figure 6 is Figure 3 an enlarged view of part A of the water purifier;

[0016] Figure 7 is Figure 3 an enlarged view of part B of the water purifier;

[0017] Figure 8 is Figure 4 an enlarged view of part C of the water purifier;

[0018] Figure 9 is Figure 1 a structural schematic view of a switching valve of the water purifier;

[0019] Figure 10 is Figure 3 a perspective view of a main body part of the filter drum of the water purifier;

[0020] Figure 11 is Figure 10 a perspective view of the main body part of the filter drum from another angle;

[0021] Figure 12 is Figure 3 is a perspective view of the water inlet part of the filter barrel of the water purifier shown in

[0022] Figure 13 is Figure 12 is another perspective view of the water inlet part of the filter barrel shown in

[0023] Figure 14 is Figure 3 is an exploded view of the power generation assembly of the water purifier shown in

[0024] Figure 15 is Figure 3 is an assembled sectional view of the power generation assembly of the water purifier shown in

[0025] Figure 16 is Figure 1 is a circuit block diagram of the water purifier shown in

[0026] Figure 17 is Figure 16 is a circuit block diagram of a modified embodiment of the water purifier shown in

[0027] Figure 18 is Figure 16 is a specific circuit structure schematic diagram of the water purifier shown in

[0028] Figure 19 is Figure 1 is a display interface schematic diagram of the digital display assembly of the water purifier shown in

[0029] Figure 20 is Figure 19 is a display interface schematic diagram of a modified embodiment of the water purifier shown in

[0030] Figure 21 is a perspective view of a second embodiment of the water purifier of the present application;

[0031] Figure 22 is Figure 21 is a perspective view of the water purifier from another angle shown in

[0032] Figure 23 is Figure 21 is an exploded view of the water purifier shown in

[0033] Figure 24 is a perspective view of a third embodiment of the water purifier of the present application;

[0034] Figure 25 is Figure 24 is a perspective view of the water purifier from another angle shown in

[0035] Figure 26 is Figure 24 is an exploded view of the water purifier shown in DETAILED DESCRIPTION

[0036] The utility model will be explained in detail below in combination with the drawings and specific embodiments. The utility model is not limited to the embodiment, and other embodiments can also belong to the scope of the utility model as long as they meet the main idea of the utility model.

[0037] Please refer to Figures 1-20 The first embodiment of the present application provides a water purifier 100 for connecting a faucet to receive raw water and provide filtered water, comprising a water purification assembly 200, a power generation assembly 300 and a digital display assembly 400.

[0038] The water purification assembly 200 can set a filter element 210, which is used to be set in a waterway channel to filter raw water to provide filtered water.

[0039] The power generation assembly 300 includes a generator 310 arranged in the waterway channel, which is used to generate electricity under the action of water in the waterway channel.

[0040] The digital display assembly 400 is used to display the working state of the water purifier 100. The working state includes but is not limited to at least one of the clogging service life of the filter element 210, the time service life of the filter element 210, real-time water temperature, generator speed, and battery capacity.

[0041] The digital display assembly 400 includes a control unit 410 and a display unit 420.

[0042] The control unit 410 is used to obtain the initial electric energy of the generator 310 and the real-time electric energy of the generator 310 and calculate the clogging service life of the filter element 210 according to the initial electric energy and the real-time electric energy; and / or the control unit 410 is used to obtain the sum of the time length of the electric energy generated by the generator 310 and calculate the time service life of the filter element 210 according to the sum of the time length. Wherein, the initial electric energy is the initial electric energy generated by the generator 310 detected when water flows through the water purifier 100 after replacing the filter element of the water purifier 100, and the real-time electric energy is the real-time electric energy generated by the generator 310 detected during the use process after replacing the filter element of the water purifier 100.

[0043] The display unit 420 is used to display the clogging service life of the filter element 210 and / or the time service life of the filter element 210.

[0044] The water purifier 100 provided in the present application displays the blockage service life of the filter element 210 and / or the time length service life of the filter element 210 by the display unit 420, so as to prompt the user to replace the filter element in time. Moreover, by calculating the blockage service life and the time length service life, the display unit 420 can display the lower value of the blockage service life and the time length service life, simultaneously display or alternately display the blockage service life and the time length service life, so as to not only remind the user based on one parameter, but also consider the blockage degree of the filter element 210 and the working time length of the filter element to remind the user, so as to achieve more accurate filter element replacement reminding and better user experience.

[0045] In addition, the filter element blockage degree is calculated according to the initial electric energy and the real-time electric energy, the initial electric energy can be obtained based on the water pressure of the connected faucet and other factors, so as to make the reference basis more accurate, and the calculation of the filter element blockage degree is more accurate compared with the system self-provided initial electric energy setting value. It can be understood that the initial electric energy can be the initial electric energy of the generator 310 obtained by the control unit 410 for the first time when the user opens the faucet connected to the water purifier 100 to the maximum after replacing the filter element.

[0046] In addition, in the first embodiment of the present application, the generator 310 is powered without external power supply, the generator 310 is driven by the water flow in the water channel to generate electricity, realizing resource recycling to generate new energy. In addition, due to the existence of the generator 310, the water flow passes through the generator 310 to drive the generator 310 to generate electricity, so that part of the mechanical energy of the water flow is converted into electric energy, thereby reducing the flow rate of the water flow, reducing the water flow in the same time, and to some extent, reducing water resource waste and realizing resource saving.

[0047] The digital display assembly 400 is also used to electrically connect the generator 310 to work under the drive of the electric energy; the water purifier 100 further comprises a voltage conversion circuit 510, the voltage conversion circuit 510 is electrically connected between the generator 310 and the control unit 410, and is used to receive the electric energy and convert the electric energy into working voltage, and the control unit 410 is used to receive the working voltage to work; the voltage conversion circuit 510 comprises a rectifier circuit U and a voltage stabilizing circuit 25, the rectifier circuit U is electrically connected between the generator 310 and the voltage stabilizing circuit 25, and the voltage stabilizing circuit 25 is also electrically connected to the control unit 410. It can be understood that the voltage conversion circuit 510 can convert the electric energy generated by the generator 310 into the voltage required for the working of the control unit 410 and the like. Specifically, the generator 310 generates alternating current, therefore, the voltage conversion circuit 510 can comprise the rectifier circuit U and the voltage stabilizing circuit 25.

[0048] Further, the water purifier 100 further comprises an electric energy detection circuit 24 electrically connected between the voltage conversion circuit 510 and the control unit 410, the electric energy detection circuit 24 is used to receive voltage from the voltage conversion circuit 510 to detect the initial electric energy and the real-time electric energy or the sum of the time length, and provide the initial electric energy and the real-time electric energy or the sum of the time length to the control unit 410; the electric energy detection circuit 24 is electrically connected to the rectifier circuit U to receive the rectified voltage output by the rectifier circuit U and detect according to the rectified voltage.

[0049] Further, the initial electric energy is at least one first signal of the current, real-time voltage, electric energy per unit time (i.e. electric quantity), frequency of alternating current, electromotive force or rotating speed generated by the generator 310 detected by the electric energy detection circuit 24 when water flows through the water purifier 100 after the filter element of the water purifier 100 is replaced, and the at least one first signal is taken as the initial electric energy; the real-time electric energy is at least one second signal of the current, real-time voltage, electric energy per unit time (i.e. electric quantity), frequency of alternating current, electromotive force or rotating speed generated by the generator 310 detected by the electric energy detection circuit 24 in real time when water flows through the water purifier 100 during use after the filter element of the water purifier is replaced, and the at least one second signal is taken as the real-time electric energy. In this application, the electric energy per unit time (i.e. electric quantity) is mainly taken as an example for illustration, but it is not limited thereto.

[0050] It can be understood that in an embodiment, the control unit 410 is used to calculate the ratio of the real-time electric energy and the initial electric energy, and the difference between 1 and the ratio is taken as the clogging service life, such as Figure 19 or 20, the display unit 420 is used to display the clogging service life or the time length service life in the form of energy bar, 0-100 numbers or percentage; the control unit 410 is further used to calculate the time length service life according to the sum of the time length and the preset filter element use time length threshold.

[0051] Further, the water purifier 100 comprises a temperature acquisition circuit 23 arranged in the water channel, the control unit 410 is electrically connected to the temperature acquisition circuit 23, the temperature acquisition circuit 23 is used to acquire the real-time water temperature of the water flowing through the water purifier 100 to obtain a water temperature detection signal and provide the water temperature detection signal to the control unit 410 after smoothing processing, and the control unit 410 is used to control the display unit 410 to display the real-time water temperature according to the water temperature detection signal.

[0052] Further, the control unit 410 is further configured to reset the block service life and / or the time service life to an initial value when the filter cartridge is replaced next time; the water purifier 100 has a reset member 511 electrically connected to the control unit 410, the reset member 511 is configured to be operated by a user to generate a reset signal, and the control unit 410 is configured to reset the block service life and / or the time service life to the initial value according to the reset signal. It can be understood that, through the reset member 511, the initial electric energy can be obtained based on the water pressure of a connected faucet and other factors, which can make the reference basis more accurate, and the calculation of the block degree of the filter cartridge is more accurate compared with the way of setting the initial electric energy by the system.

[0053] In a modified embodiment, the water purifier 100 further comprises a battery 512 and a charging management circuit 513, the charging management circuit 513 is electrically connected between the voltage conversion circuit 510 and the battery 512, and the charging management circuit 513 is configured to receive the voltage of the voltage conversion circuit 510 and charge the battery 512, the battery 512 is electrically connected to the control unit 410 and supplies power to the control unit 410 when the generator 310 cannot support the operation of the control unit 410.

[0054] Specifically, the display unit 420 can include a plurality of LED lamps 421 and a light-transmitting cover 422 covering the periphery of the plurality of LED lamps 421, and the control unit 410 is configured to control the on-off of the plurality of LED lamps 421, so that the plurality of LED lamps 421 display the block service life of the filter cartridge 210 or the time service life of the filter cartridge via the light-transmitting cover 422; the display unit 420 further comprises a decorative cover 423 covering the side of the light-transmitting cover 422 away from the plurality of LED lamps 421; the digital display assembly 400 further comprises a main circuit board 430, and the control unit 410 and the plurality of LED lamps 421 are arranged on the main circuit board 430, and the control unit 410 is located on the surface of the main circuit board 430 away from the plurality of LED lamps 421. The LED lamps 421 can include a plurality of first LED lamps 4211 corresponding to a temperature display area 4221 and a plurality of second LED lamps 4212 corresponding to the block service life of the filter cartridge or the time service life of the filter cartridge.

[0055] The water purifier 100 further comprises at least one light emitting element 520 arranged at a position close to the water outlet 202 of the water channel, for emitting light towards the water filtered by the filter element 210 to form a decorative effect or to sterilize the water filtered by the filter element 210. The at least one light emitting element 520 is configured to emit visible light and / or ultraviolet light. The at least one light emitting element 520 is electrically connected to the generator 310 and receives the electric energy to work. The generator assembly 300 further comprises a generator housing 320, and the at least one light emitting element 520 and the generator 310 are encapsulated together by the generator housing 320. The generator 310 comprises a generator main body 311 and an impeller 312 connected to the generator main body 311. The impeller 312 is configured to rotate under the action of the water in the water channel to make the generator main body 311 generate the electric energy. The generator assembly 300 further comprises an impeller cover 330 arranged at a side of the impeller 312 away from the generator main body 311 and detachably connected to the generator housing 320. An outer side wall of the impeller cover 330 is provided with a plurality of impeller water inlets 331 and a plurality of water guide pieces 332 arranged adjacent to the impeller water inlets 331. The temperature acquisition circuit 23 comprises a sensing element R2. The sensing element R2, the at least one light emitting element 520 and the generator 310 are encapsulated together by the generator housing 320. The sensing element R2 and the at least one light emitting element 520 are arranged on a circuit board 521, and the circuit board 521 is located at a side of the generator main body 311 away from the impeller 312. In this embodiment, the number of the at least one light emitting element 520 can be multiple, for example, four. The sensing element R2 can comprise a thermistor.

[0056] The water purification assembly 200 further comprises a filter barrel 220 and a filter barrel cover 290 which are detachably connected and enclose a receiving cavity 203 receiving the filter element 210, the filter barrel 220 has a water inlet 201 and the water outlet 202 which are in communication with the receiving cavity 203, the water inlet 202, the receiving cavity 203 and the water outlet 202 are all located in the water channel, so that the raw water entering the receiving cavity 203 from the water inlet 201 can be filtered through the filter element 210, and the filtered water can flow out through the water outlet 202; the filter barrel 220 has a water outlet cover 221 and a power generation assembly mounting structure 222, the water outlet 202 is arranged on the water outlet cover 221, the water outlet 202 can include a plurality of water outlet holes 2021, the power generation assembly 300 is mounted on the power generation assembly mounting structure 222, the water outlet cover 221 and the power generation assembly mounting structure 222 can be integrally formed or separately assembled, and the embodiment is mainly illustratively described by taking the water outlet cover 221 and the power generation assembly mounting structure 222 as an example, at least part of the water outlet cover 221 is a light-transmitting material.

[0057] The filter barrel 220 has an inner shell 223 and an outer shell 224, the outer shell 224 is at least partially covered outside the inner shell 223, the outer shell 224 can include a metal material, and the inner shell 223 can include a plastic material. The water outlet cover 221 and the power generation assembly mounting structure 222 are both arranged on the inner shell 223, the power generation assembly mounting structure 222 has an inner shell part 225 and a power generation bin 226, the power generation bin 225 is arranged on the inner shell part 226, and the power generation assembly 300 is mounted in the power generation bin 225; the power generation bin 225 includes an inner ring wall 226, an outer ring wall 227 and a connecting wall 228 connected between the inner ring wall 226 and the outer ring wall 227, at least one of the inner ring wall 226 and the outer ring wall 227 is used for detachable installation with the filter element 210, the power generation assembly 300 is arranged in the inner ring wall 226 and corresponds to the filter element water outlet 2101, and the inner ring wall 226 and the outer ring wall 227 further have a wire routing gap 229, the electric connection line 340 of the power generation assembly 300 extends out through the wire routing gap 229 to be electrically connected with the digital display assembly 400; the inner shell 223 forms the water inlet 201, the water outlet 202, a water inlet channel 204 between the water inlet 201 and the receiving cavity 203, and a water outlet channel 205 between the receiving cavity 203 and the water outlet 202 of the water channel, and the power generation assembly mounting structure 222 and the power generation assembly 300 are arranged corresponding to the water outlet channel 205.

[0058] The water inlet 201 is towards the first side 2201 (such as the upper side) of the filter barrel 220, the water outlet 201 is towards the second side 2202 of the filter barrel 220, the first side 2201 and the second side 2202 are opposite sides, the water inlet 201 and the water outlet 202 are oppositely or staggered arranged (this embodiment mainly takes the staggered arrangement of the two as an example for description), the disassembly direction of the filter cartridge cover 290 or the disassembly direction of the filter core 210 is towards the first side 2201 or a third side 2203 adjacent to the first side 2201 and the second side 2202; the filter barrel 220 further has a digital display assembly mounting cavity 230, the digital display assembly mounting cavity 230 is communicated with the wire gap 229 through the opening 231 of the cavity wall, the digital display assembly 400 is arranged in the digital display assembly mounting cavity 230; one end of the electric connection wire 340 away from the generator 310 has a first connector 341, the digital display assembly 400 has a second connector 441, the first connector 341 and the second connector 441 are plugged, the opening 231 of the cavity wall is provided with a waterproof sealant 342 surrounding the periphery of the electric connection wire 340; the digital display assembly mounting cavity 230 is located at the fourth side 2204 of the filter barrel 220 adjacent to the first side 2201 and the second side 2202. The fourth side 2204 can be different from the third side 2203.

[0059] The filter bucket 220 further has a switching valve assembly 240 arranged corresponding to the water inlet 201 for selecting, under operation of a user, whether to conduct water between the water inlet 201 and the receiving cavity 203 or to directly conduct the water inlet 201 with the water outlet 202 or another water outlet 202' so as to select whether to filter water of the water inlet 201; the switching valve assembly 240 can include an operating member 241, a water path switching member 242 in communication with the operating member 241, the operating member 242 being used for operation of a user, and the water path switching member 242 being used for moving under driving of the operating member 242 to realize water path switching; the operating member 242 can be a knob or a button with a pressing inclined surface, and the like. The switching valve assembly 240 is arranged at a fifth side 2205 adjacent to both the first side 2201 and the second side 2202, and the fifth side 2005 is arranged opposite to the third side 2203. In the embodiment, the filter bucket 220 includes a main body part 220a and a water inlet part 220b, the main body part 220a and the water inlet part 220b are detachably connected, the water inlet 201 is arranged at the water inlet part 220b, and the main body part 220a has the receiving cavity 203 and the water outlet 202. It can be understood that the detachable connection of the main body part 220a and the water inlet part 220b can reduce the forming difficulty of the filter bucket 220, and the detachable connection of the two can also facilitate replacement of accessories.

[0060] As shown in Figures 1-2 In the embodiment, the water purifier 100 includes two water outlets 202, 202', one water outlet 202 directly communicates with the receiving cavity 203, and the other water outlet 202' communicates with the water inlet 201 through the switching valve assembly, and the dismounting direction of the filter bucket cover 290 or the dismounting direction of the filter element 210 is toward the first side 2201.

[0061] Further, as shown in Figure 7 and Figure 8As shown, the filter core 210 includes a filter core body 211 and a filter core mounting cover 212 connected to one side of the filter core body 211, the filter core mounting cover 212 has the filter core water outlet 2101, at least the outer side of the filter core body 211 is used to form a water flow channel with the cavity wall of the receiving cavity 203, the water flow channel is used to receive water from the water inlet 201, and the filtered water of the filter core body 211 flows out of the receiving cavity 203 through the filter core water outlet 2101; the filter core mounting cover 212 includes a support 213 and a side wall structure 214 arranged on the periphery of the support 213, the side wall structure 214 and the support 213 form an installation groove 215, the installation groove 215 is used to receive at least part of the inner ring wall 226, the inner side of the installation groove 215 is used to abut and fix with the inner ring wall 226 or the outer side of the side wall structure 214 is used to abut and fix with the inner side of the outer ring wall 227, so as to realize the detachable connection of the filter core 210 and the power generation bin 225; the side wall structure 214 is further provided with at least one sealing ring 216, the at least one sealing ring 216 is used to realize the sealing connection of the outer side of the side wall structure 214 and the inner side of the outer ring wall 227; the side wall structure 214 has a sealing ring receiving groove 2141, and the sealing ring 216 is arranged in the sealing ring receiving groove 2141. It can be understood that the design of the above-mentioned filter core mounting cover 212 makes the filter core 210 have the technical effects of simple structure, stable installation, and convenient disassembly. The sealing ring 216 can not only realize water sealing, but also has stable installation.

[0062] The control unit 410 can be a control chip, such as an MCU.

[0063] Please refer to Figures 21-23 The second embodiment of the present application provides a water purifier 600, the main difference between the water purifier 600 and the water purifier 100 of the first embodiment is that the water purifier 600 only includes one water outlet 602, and the disassembly direction of the filter barrel cover 690 or the disassembly direction of the filter core 610 is different from the first embodiment. As can be seen, the disassembly direction of the filter barrel cover 690 or the disassembly direction of the filter core 610 is towards the third side 2203 which is different from the first side 2201, the second side 2202, the fourth side 2204 and the fifth side 2205.

[0064] Please refer to Figures 24-26The third embodiment of the present application provides a water purifier 700, which is mainly different from the water purifier 100 of the first embodiment in that the water purifier 100 does not have the digital display assembly 400, and a generator 710 and a light emitting element 720 are arranged adjacent to a water outlet 702. The electric energy generated by the generator 710 (which can also be the voltage of a built-in battery) is used to power the light emitting element 720, so that the light emitting element 720 emits light towards the water filtered by the filter element 710, thereby forming a decorative effect or sterilizing the water filtered by the filter element 710. It can be understood that arranging the light emitting element 720 at the water outlet 702 can achieve a better decorative effect or a better sterilization effect, thereby avoiding the problem that the sterilization effect is poor when the front sterilization is polluted but the filter element is contaminated.

Claims

1. A filter cartridge mounting cap for a filter cartridge of a water purifier, characterized by, The filter core mounting cover is used for connecting a filter core body with filter material, and has a filter core water outlet. At least an outer side surface of the filter core body is used for forming a water flow channel with a cavity wall of a filter core receiving cavity. The water flow channel is used for receiving water from a water inlet of the water purifier. Water filtered through the filter core body flows out of the receiving cavity through the filter core water outlet. The filter core mounting cover comprises a support and a side wall structure arranged around the support. The side wall structure and the support enclose a mounting groove. An inner side surface of the mounting groove and / or an outer side surface of the side wall structure is used for abutting and fixing with a filter core mounting structure of a filter bucket in the receiving cavity, so as to realize detachable connection of the filter core with the filter bucket.

2. A filter cartridge for a water purifier, characterized by, The filter core comprises the filter core mounting cover and the filter core body according to claim 1.

3. The filter cartridge for a water purifier according to claim 2, wherein The side wall structure is further provided with at least one sealing ring. The at least one sealing ring is used for realizing sealing connection of the outer side surface of the side wall structure or the inner side surface of the mounting groove with the filter core mounting structure. The side wall structure has a sealing ring receiving groove. The sealing ring is arranged in the sealing ring receiving groove.

4. A water purifier characterized by comprising: The water purifier comprises the filter core according to any one of claims 2 to 3.

5. The water purifier according to claim 4, wherein The water purifier comprises a water purification assembly and a power generation assembly and / or a battery. The water purification assembly comprises a filter bucket and a filter bucket cover. The filter bucket and the filter bucket cover are detachably connected and enclose a receiving cavity for receiving the filter core. The filter bucket has a water inlet and a water outlet which are in communication with the receiving cavity. Raw water entering the receiving cavity from the water inlet can be filtered through the filter core. The filtered water can flow out through the water outlet. The power generation assembly comprises a power generator arranged in a water channel of the water purification assembly. The power generator is used for generating electric energy under the action of water in the water channel.

6. The water purifier according to claim 5, wherein The filter core mounting structure is arranged on the filter bucket. The filter core mounting structure comprises an inner ring wall and an outer ring wall arranged around the inner ring wall. The mounting groove is used for receiving at least part of the inner ring wall. An inner side surface of the mounting groove is used for abutting and fixing with the inner ring wall and / or an outer side surface of the side wall structure is used for abutting and fixing with an inner side surface of the outer ring wall, so as to realize detachable connection of the filter core with the filter core mounting structure.

7. The water purifier according to claim 5, wherein The water purifier further comprises at least one light emitting element arranged at a position close to the water outlet in the water channel. The at least one light emitting element is used for receiving the electric energy or voltage of the battery, emitting light towards water filtered through the filter core to form a decorative effect or sterilize the water filtered through the filter core.

8. The water purifier according to claim 7, wherein The filter bucket further has a water outlet cover and a power generation assembly mounting structure. The water outlet is arranged on the water outlet cover. The power generation assembly is arranged on the power generation assembly mounting structure. The water outlet cover and the power generation assembly mounting structure are integrally formed or separately assembled. At least part of the water outlet cover is made of light-transmitting material.

9. The water purifier according to claim 8, wherein The at least one light emitting element is electrically connected with the generator and receives the electric energy to work; the generator assembly further comprises a generator housing, the at least one light emitting element and the generator are packaged together through the generator housing; the generator comprises a generator main body and an impeller connected with the generator main body, the impeller is used to rotate under the action of water in the water channel to make the generator main body generate the electric energy; the generator assembly further comprises an impeller cover, the impeller cover is arranged on the side of the impeller away from the generator main body and is detachably connected with the generator housing, the outer side wall of the impeller cover is provided with a plurality of impeller water inlets and a plurality of water guide pieces arranged adjacent to the impeller water inlets.

10. The water purifier according to claim 9, wherein The water purifier further comprises a sensing element for sensing water temperature, the sensing element, the at least one light emitting element and the generator are packaged together through the generator housing, the sensing element and the at least one light emitting element are arranged on a circuit board, and the circuit board is located on the side of the generator main body away from the impeller.

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