An electric filter valve and a water purifier system comprising the same

Abstract

The application discloses a kind of electric filter valve and the water purifier system formed by it, including valve seat and the valve cover of cooperation connection with valve seat, be equipped with water inlet, first water outlet on valve cover, waterway of water inlet and first water outlet is rotatably equipped with valve core body, the valve cover is equipped with blow-off port, the water cavity that is kept on with blow-off port, water inlet is equipped in valve core body, water cavity and first water outlet are equipped with filter water assembly in waterway of valve core body, valve core body rotates and controls the on-off of waterway between water cavity and first water outlet, valve core body is also equipped with the cleaning assembly for cleaning filter water assembly.The application replaces the function of original solenoid valve and filter core with electric filter valve, and can realize automatic cleaning, is not easy to block, the filtering function of electric filter valve can be regenerated, need not to be frequently disassembled and replaced, save time and labor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fluid delivery, in particular to an electric filter valve and a water purifier system comprising the same. BACKGROUND

[0002] The existing water purifier system generally comprises an electromagnetic valve, a reverse osmosis membrane, a booster pump and a filter element, the water is filtered by the filter element, and the filtered water is delivered to a water purifying faucet by the electromagnetic valve, the booster pump and the reverse osmosis membrane, the electromagnetic valve is located at the front end of the booster pump to realize the opening and closing of the waterway, but the filter element in the current water purifier system is easy to be blocked and cannot be automatically cleaned, the filtering function of the filter element cannot be regenerated, and the filter element needs to be replaced frequently, which is time-consuming and laborious. SUMMARY

[0003] The present application aims to provide an electric filter valve and a water purifier system comprising the same, which replaces the original electromagnetic valve and filter element with the electric filter valve, realizes automatic cleaning, is not easy to be blocked, and the filtering function of the electric filter valve can be regenerated, so that the filter element does not need to be replaced frequently, saving time and labor.

[0004] To solve the above technical problems, the present application adopts the following scheme:

[0005] An electric filter valve comprises a valve seat and a valve cover connected with the valve seat, a water inlet and a first water outlet are arranged on the valve cover, a valve core body is rotatably arranged on the water inlet and the water outlet, a drain port is arranged on the valve cover, a water passing cavity is arranged in the valve core body and connected with the drain port and the water inlet, a filter assembly is arranged in the water passing cavity and the first water outlet, the valve core body rotates to control the opening and closing of the waterway between the water passing cavity and the first water outlet, and a cleaning assembly is arranged in the valve core body to clean the filter assembly.

[0006] Due to the above technical scheme, the valve core body has a water passing cavity connected with the water inlet and the blowdown port, the valve core body can rotate in the valve seat, the valve core body can control the opening and closing of the water passage between the water passing cavity and the first water outlet when rotating, the blowdown port is always connected with the water passing cavity, the source water delivered by the water inlet can directly pass through the blowdown port, the blowdown port can be provided with a valve for controlling the opening and closing of the water passage, when the electric filter valve works normally, the valve core body rotates to an angle at which the water passing cavity is connected with the first water outlet, the water in the water passing cavity forms clean water after passing through the water filtering assembly, the clean water enters the first water outlet for use, the water filtering assembly will stick to a lot of impurities after long-term use, which will easily cause blockage and affect the water filtering function, therefore, the cleaning assembly is arranged in the valve core body, and the impurities on the water filtering assembly can be cleaned during the reciprocating rotation of the valve core body, the cleaned impurities flow out of the blowdown port with the water in the water passing cavity, the electric filter valve can be automatically cleaned, the internal water passage of the electric filter valve will not be blocked, the filtering function of the water filtering assembly can be regenerated after cleaning, and the water filtering assembly does not need to be frequently disassembled and replaced, which saves time and effort.

[0007] Further, the valve core body comprises a valve core seat, a valve core sleeve and a valve core column, the valve core seat is located at the bottom end of the valve core sleeve and is rotationally connected with the valve seat, the valve core column is fixed in the valve core sleeve, the valve core column and the valve core sleeve form the water passing cavity, the upper end of the valve core column is rotationally connected with the top wall of the valve cover, the valve core sleeve is rotationally arranged in the valve seat, the water filtering assembly is arranged in the valve core sleeve, the cleaning assembly is located outside the valve core column, the side wall of the valve core sleeve is provided with a second water outlet connected with the water passing cavity, and the valve core sleeve rotates to control the opening and closing of the water passage between the second water outlet and the first water outlet.

[0008] Further, the water filtering assembly comprises a filter screen frame and a filter screen, the filter screen frame is annular and is adapted to be sleeved in the valve core sleeve, the middle part of the side wall of the filter screen frame has a gap between the inner wall of the valve core sleeve, the side wall of the filter screen frame is provided with a third water outlet connected with the second water outlet, and the filter screen is adapted to be sleeved on the inner side of the filter screen frame.

[0009] Further, the cleaning assembly comprises a fixing sleeve and a cleaning brush, the fixing sleeve is located outside the valve core column, the top end of the fixing sleeve is provided with a protrusion for clamping the inner top wall of the valve cover, and the cleaning brush is fixed on the outer side wall of the fixing sleeve and is in contact with the filter screen.

[0010] Further, a balance water cavity is formed between the outer wall of the valve core sleeve and the inner wall of the valve seat, the first water outlet is arranged on the lower part of the side wall of the valve core sleeve and is connected with the balance water cavity, the blowdown port and the water passing cavity, and the side wall of the valve seat is provided with a second water outlet connected with the blowdown port.

[0011] Further, the bottom end of the valve seat is provided with a motor, the output shaft of the motor is connected with the bottom end of the valve core body and is used for driving the valve core body to rotate.

[0012] Further, the inner side of the fixed sleeve is provided with a fixed sleeve ring integrally formed with the valve cover, and the fixed sleeve ring is sleeved on the top end of the valve core column.

[0013] Further, the valve cover is provided with an air hole corresponding to the valve core column.

[0014] Further, the side wall of the valve seat is provided with a hole channel corresponding to the first water outlet, the hole channel is provided with two and is distributed symmetrically along the radial direction, the left hole channel is embedded with an eleventh sealing ring, the right hole channel is embedded with a tenth sealing ring, the inner side of the eleventh sealing ring is provided with a left support sleeve ring, the inner side of the tenth sealing ring is provided with a right support sleeve ring, the inner side of the left support sleeve ring forms a first through hole, and the inner side of the right support sleeve ring forms a second through hole communicated with the first water outlet.

[0015] A water purifier system comprises the electric filter valve, and further comprises a booster pump and a reverse osmosis membrane which are sequentially communicated, the water inlet end of the booster pump is communicated with the first water outlet of the electric filter valve, the water inlet of the electric filter valve is connected with a water inlet pipe, the blowdown port of the electric filter valve is connected with a blowdown faucet, the outlet end of the booster pump is connected with the inlet end of the reverse osmosis membrane, the water purifying end of the reverse osmosis membrane is connected with a water purifying faucet, and the concentrated water end of the reverse osmosis membrane is connected with a concentrated water pipe.

[0016] The electric filter valve has the beneficial effects that:

[0017] 1、In the valve core body, the cleaning assembly is arranged, and the impurities on the water filtering assembly can be cleaned during the reciprocating rotation of the valve core body, the cleaned impurities flow out of the blowdown port along with the water in the water passing cavity, the automatic cleaning effect of the electric filter valve is realized, the water passage inside the electric filter valve is not blocked, the filtering function of the water filtering assembly is regenerated after cleaning, and the water filtering assembly does not need to be replaced frequently, time and labor are saved.

[0018] 2、After the electric filter valve is installed in the water purifier system, the original electromagnetic valve and filter core can be directly replaced, the water passage structure is simplified, the electric filter valve has the automatic cleaning effect of the water filtering assembly, the water passage is not easily blocked, the filtering function has the regeneration characteristic, the trouble of frequently disassembling the water purifier system to replace the water filtering assembly is avoided, time and labor are saved, and the applicability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the electric filter valve;

[0020] Figure 2 It is a structural schematic view of the water passing cavity and the first water outlet of the electric filter valve when the water passing cavity and the first water outlet are blocked;

[0021] Figure 3 It is a structural view of the water purifier system.

[0022] 01 - output shaft, 02 - valve core seat, 03 - ninth sealing ring, 04 - valve seat, 05 - eighth sealing ring, 06 - valve core sleeve, 07 - valve cover, 08 - valve core column, 09 - blowdown port, 10 - second water passage, 11 - filter screen frame, 12 - seventh sealing ring, 13 - fifth sealing ring, 14 - third sealing ring, 15 - first through hole, 16 - left support collar, 17 - eleventh sealing ring, 18 - fourth sealing ring, 19 - second sealing ring, 20 - filter screen, 21 - cleaning brush, 22 - protrusion, 23 - air hole, 24 - first sealing ring, 25 - water inlet, 26 - fixed collar, 27 - motor, 28 - sixth sealing ring, 29 - tenth sealing ring, 30 - right support collar, 31 - third water outlet, 32 - second through hole, 33 - first water outlet, 34 - fixed collar, 35 - second water outlet, 36 - water passage cavity, 37 - balance water cavity, 38 - first water passage, A01 - blowdown faucet, A02 - electric filter valve, A03 - water inlet pipe, A04 - booster pump, A05 - reverse osmosis membrane, A06 - concentrated water pipe, A07 - clean water faucet. DETAILED DESCRIPTION

[0023] The application will be further described below in conjunction with the embodiments and drawings, but the embodiments of the application are not limited thereto.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "back", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the application is usually placed, and are only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying 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 application.

[0025] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "provided", "opened", "mounted", "connected", "connected" should be broadly understood, 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, or it can be connected 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.

[0026] Example 1

[0027] The utility model provides an electric filter valve, including valve seat 04 and with valve seat 04 cooperation and connection valve cover 07, be equipped with water inlet 25, first water outlet 33 on valve cover 07, the water path of water inlet 25 with first water outlet 33 is equipped with valve core body rotationally, be equipped with blow-off port 09 on valve cover 07, the inside of valve core body is equipped with with blow-off port 09, water inlet 25 keep the water cavity 36 of communication, and the water cavity 36 of communication is equipped with the filter water subassembly in valve core body on the water path of blow-off port 09, water inlet 25, valve core body rotates and controls the water path between water cavity 36 and first water outlet 33 and is connected and disconnected, and the inside of valve core body is also equipped with the cleaning subassembly for cleaning filter water subassembly.

[0028] In the embodiment, as shown in Figure 1 and Figure 2 The upper end of the valve seat 04 is a cylindrical structure, the valve cover 07 is sleeved on the valve seat 04, and the valve seat 04 is circumferentially sleeved with a sixth sealing ring 28, a seventh sealing ring 12 and an eighth sealing ring 05 from top to bottom. The three sealing rings are used to seal the installation gap between the valve seat 04 and the valve cover 07 to avoid water leakage. The valve cover 07 is provided with a water inlet 25 at the top, a blow-off port 09 at the left lower part, and a first water outlet 33 at the right upper part. The first water outlet 33 is used for the output of clean water. The lower end of the valve core body is rotationally connected with the bottom wall of the valve seat 04. An electric motor 27 is fixedly arranged at the bottom end of the valve seat 04. The output shaft 01 of the electric motor 27 is connected with the bottom end of the valve core body and is used to drive the valve core body to rotate. The valve core body has a water cavity 36 in communication with the water inlet 25 and the blow-off port 09. The valve core body can rotate in the valve seat 04. The blow-off port 09 is always in communication with the water cavity 36 during the reciprocating rotation of the valve core body. The valve core body can control the water path between the water cavity 36 and the first water outlet 33 to be connected and disconnected during rotation. The source water transported by the water inlet 25 can directly pass through the blow-off port 09 after passing through the water cavity 36 and be output. The blow-off port 09 can be provided with a valve for controlling the water path of the blow-off port 09 to be connected and disconnected. When the electric filter valve A02 is normally working, the valve core body is rotated to an angle at which the water cavity 36 is connected with the first water outlet 33. At this time, the water in the water cavity 36 forms clean water after passing through the filter water subassembly. The clean water enters the first water outlet 33 to be output for use. After long-term use, the filter water subassembly will stick to a lot of impurities, which will easily cause blockage and affect the filter water function. Therefore, a cleaning subassembly is arranged in the valve core body. When cleaning is needed, the electric motor 27 drives the valve core body to rotate. The cleaning subassembly can clean the impurities on the filter water subassembly during the rotation of the valve core body. The cleaned impurities flow out of the blow-off port 09 with the water in the water cavity 36, realizing the automatic cleaning function of the electric filter valve A02 and avoiding the blockage of the water path in the electric filter valve A02. After cleaning, the filter function of the filter water subassembly is regenerated, and the filter water subassembly does not need to be replaced frequently, saving time and effort.

[0029] Preferably, the valve core body comprises a valve core seat 02, a valve core sleeve 06 and a valve core column 08, the valve core seat 02 is located at the bottom end of the valve core sleeve 06 and is rotationally connected with the valve seat 04, the valve core column 08 is fixed inside the valve core sleeve 06, a water passing cavity 36 is formed between the valve core column 08 and the valve core sleeve 06, the upper end of the valve core column 08 is rotationally connected with the top wall of the valve cover 07, the valve core sleeve 06 is rotationally arranged in the valve seat 04, the water filtering assembly is arranged in the valve core sleeve 06, the cleaning assembly is located outside the valve core column 08, the side wall of the valve core sleeve 06 is provided with a second water outlet 35 connected with the water passing cavity 36, and the valve core sleeve 06 rotates to control the opening and closing of the water passage between the second water outlet 35 and the first water outlet 33.

[0030] Preferably, the water filtering assembly comprises a filter screen frame 11 and a filter screen 20, the filter screen frame 11 is annular and is adapted to be sleeved in the valve core sleeve 06, the middle part of the side wall of the filter screen frame 11 has a gap between the inner wall of the valve core sleeve 06, the side wall of the filter screen frame 11 is provided with a third water outlet 31 connected with the second water outlet 35, and the filter screen 20 is adapted to be sleeved on the inner side of the filter screen frame 11.

[0031] Preferably, the cleaning assembly comprises a fixing sleeve 26 and a cleaning brush 21, the fixing sleeve 26 is located outside the valve core column 08, the fixing sleeve 26 is provided with a protrusion 22 at the top end for clamping with the inner top wall of the valve cover 07, and the cleaning brush 21 is fixed on the outer side wall of the fixing sleeve 26 and is in contact with the filter screen 20.

[0032] The specific working principle of the valve core body, the cleaning assembly and the water filtering assembly is as follows: the valve core body mainly comprises a valve core seat 02, a valve core column 08 and a valve core sleeve 06, the valve core seat 02 is located at the bottom end of the valve core sleeve 06 and is integrally formed with the valve core sleeve 06, the valve core seat 02 is rotationally connected with the bottom wall of the valve seat 04, the output shaft 01 of the motor 27 is fixedly connected with the bottom of the valve core seat 02, the outer wall of the valve core seat 02 is embedded with a ninth sealing ring 03 in the circumferential direction to avoid water from seeping into the motor 27, the valve core seat 02 and the valve core sleeve 06 are in a T-shaped structure, the valve core sleeve 06 is sleeved in the valve seat 04 and can rotate in the valve seat 04 under the driving of the motor 27, the outer circumferential wall of the valve core sleeve 06 is embedded with a fourth sealing ring 18 and a fifth sealing ring 13 which are distributed upward and downward, the side wall of the valve seat 04 is provided with two hole channels which are symmetrically distributed along the radial direction and correspond to the first water outlet 33, the left hole channel is embedded with an eleventh sealing ring 17, the right hole channel is embedded with a tenth sealing ring 29, the inner side of the eleventh sealing ring 17 is provided with a left support sleeve ring 16, the inner side of the tenth sealing ring 29 is provided with a right support sleeve ring 30, the inner side of the left support sleeve ring 16 forms a first through hole 15, the inner side of the right support sleeve ring 30 forms a second through hole 32 which is connected with the first water outlet 33, when the valve core sleeve 06 rotates to connect the second water outlet 35 with the second through hole 32, the water in the water passing cavity 36 can enter the first water outlet 33, the water pressure in the first through hole 15 and the second through hole 32 acts on the valve core sleeve 06 in opposite directions, so that the balance of the valve core body during rotation can be ensured and the valve core body is not easy to tilt; the water filtering assembly mainly comprises an annular filter screen frame 11, the filter screen frame 11 is sleeved in the valve core sleeve 06, the inner wall of the valve core sleeve 06 is provided with a step for supporting the filter screen frame 11, the outer side wall of the filter screen frame 11 is recessed inward and forms a gap with the inner wall of the valve core sleeve 06, so that the water flow can pass through, a matched filter screen 20 is fixed on the inner side of the filter screen frame 11, the outer side wall of the filter screen frame 11 forms a third water outlet 31 and is embedded with a second sealing ring 19 and a third sealing ring 14 on the outer wall of the filter screen frame 11 to seal the gap between the upper end and the lower end of the third water outlet 31, a cleaning brush 21 is fixed on the outer wall of a fixed sleeve 26, the upper end of the fixed sleeve 26 is connected with the inner top wall of a valve cover 07 through a lug 22, and the working end of the cleaning brush 21 is in contact with the filter screen 20.When the electric filter valve A02 filters water, the waterway of the blowdown port 09 is blocked, the motor 27 drives the valve core sleeve 06 to rotate to the position where the second water outlet 35 is connected with the second through hole 32 and the first water outlet 33, the source water enters the water cavity 36 through the water inlet 25, then the clean water formed after filtering through the filter screen 20 enters the second water outlet 35 through the third water outlet 31, and finally is output by the first water outlet 33, thus completing the filtering function; when the filter screen 20 needs to be cleaned, the motor 27 drives the valve core sleeve 06 to rotate, the valve core sleeve 06 drives the filter screen frame 11 to rotate, so that the cleaning brush 21 can clean the impurities adhered to the inner wall of the filter screen 20, the cleaned impurities are output by the water outlet and the blowdown port 09, the automatic cleaning function of the electric filter valve A02 is realized, the internal waterway of the electric filter valve A02 is not blocked, the filtering function of the water filtering assembly is regenerated after cleaning, and the water filtering assembly does not need to be replaced frequently, thus saving time and effort.

[0033] Preferably, the balance water cavity 37 is formed between the outer wall of the valve core sleeve 06 and the inner wall of the valve seat 04, the first water outlet 38 communicating the balance water cavity 37, the blowdown port 09 and the water cavity 36 is arranged on the lower side wall of the valve core sleeve 06, and the second water outlet 10 communicating with the blowdown port 09 is arranged on the side wall of the valve seat 04. Specifically, the water pressure of the balance water cavity 37 and the water pressure in the water cavity 36 can offset each other, so as to balance the water pressure above and below the valve core body, avoid the pressure between the valve core body and the motor being too large when the water pressure is large, and reduce the influence of the water pressure on the rotation of the valve core body.

[0034] Preferably, the fixing sleeve 26 is internally provided with the fixing sleeve ring 34 integrally formed with the valve cover 07, and the fixing sleeve ring 34 is sleeved on the top end of the valve core column 08. Specifically, in order to improve the stability of the rotation of the valve core sleeve 06, the fixing sleeve ring 34 is integrally formed on the inner top wall of the valve cover 07, the top end of the valve core column 08 is rotatably sleeved in the fixing sleeve ring 34, and the first sealing ring 24 is embedded in the circumferential side wall of the upper end of the valve core column 08.

[0035] Preferably, the valve cover 07 is provided with the air hole 23 corresponding to the valve core column 08. Specifically, the air hole 23 penetrates the top wall of the valve cover 07, and the valve core column 08 is directly below the air hole 23.

[0036] Embodiment 2

[0037] The water purifier system comprises the electric filter valve A02, and further comprises a booster pump A04 and a reverse osmosis membrane A05 which are sequentially communicated, the water inlet end of the booster pump A04 is communicated with the first water outlet 33 of the electric filter valve A02, the water inlet pipe A03 is connected to the water inlet 25 of the electric filter valve A02, the blowdown faucet A01 is connected to the blowdown port 09 of the electric filter valve A02, the outlet end of the booster pump A04 is connected to the inlet end of the reverse osmosis membrane A05, the purified water faucet A07 is connected to the purified water end of the reverse osmosis membrane A05, and the concentrated water pipe A06 is connected to the concentrated water end of the reverse osmosis membrane A05.

[0038] As shown in the embodiment, Figure 3 When the tap water needs to be directly used, the blowdown faucet A01 is opened, the purified water faucet A07 is closed, and the water in the water inlet pipe A03 can be directly output from the blowdown faucet A01; when the source water needs to be filtered, the blowdown faucet A01 is closed, the purified water faucet A07 is opened, the booster pump A04 and the electric filter valve A02 are both opened, the motor 27 drives the second water outlet 35 on the valve core sleeve 06 to be connected to the first water outlet 33, at this time, the source water in the water cavity 36 is filtered by the filter screen 20 and then conveyed to the first water outlet 33, and then pumped to the reverse osmosis membrane A05 by the booster pump A04, and finally conveyed to the purified water faucet A07 for use; when the filter screen 20 needs to be cleaned, the purified water faucet A07 is closed, the blowdown faucet A01 is opened, and the booster pump A04 stops working; the motor 27 drives the valve core sleeve 06 to rotate, so that the cleaning brush 21 cleans the impurities on the inner wall of the filter screen 20, the cleaned impurities are output from the blowdown faucet A01 along with the water flow, and the cleaning function of the filter screen 20 is completed. After the electric filter valve A02 is installed in the water purifier system, the original electromagnetic valve and filter element can be directly replaced, the waterway structure is simplified, the electric filter valve A02 has the function of automatically cleaning the water filtering assembly, the waterway is not easy to be blocked, the filtering function has the characteristic of regeneration, the trouble of frequently disassembling the water purifier system to replace the water filtering assembly is avoided, time and labor are saved, and the applicability is higher.

[0039] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. According to the technical essence of the present application, any simple modification, equivalent replacement and improvement of the above embodiment within the spirit and principle of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. An electric filter valve, comprising a valve seat (04) and a valve cover (07) connected with the valve seat (04), the valve cover (07) being provided with a water inlet (25) and a first water outlet (33), a valve core being rotatably arranged in water passages of the water inlet (25) and the first water outlet (33), characterized in that, The valve cover (07) is provided with a blowdown port (09), the valve core body is internally provided with a water passing cavity (36) connected with the blowdown port (09) and the water inlet (25), the water passing cavity (36) and the water path of the first water outlet (33) are provided with a water filtering assembly located in the valve core body, the valve core body rotates and controls the water path between the water passing cavity (36) and the first water outlet (33), and the valve core body is further provided with a cleaning assembly for cleaning the water filtering assembly; The valve core body comprises a valve core seat (02), a valve core sleeve (06) and a valve core column (08), the valve core seat (02) is located at the bottom end of the valve core sleeve (06) and is rotationally connected with the valve seat (04), the valve core column (08) is fixed in the valve core sleeve (06), the water passing cavity (36) is formed between the valve core column (08) and the valve core sleeve (06), the upper end of the valve core column (08) is rotationally connected with the top wall of the valve cover (07), the valve core sleeve (06) is rotationally arranged in the valve seat (04), the water filtering assembly is arranged in the valve core sleeve (06), the cleaning assembly is located outside the valve core column (08), the side wall of the valve core sleeve (06) is provided with a second water outlet (35) connected with the water passing cavity (36), and the valve core sleeve (06) rotates and controls the water path between the second water outlet (35) and the first water outlet (33). The water filtering assembly comprises a filter screen frame (11) and a filter screen (20), the filter screen frame (11) is annular and is adapted to be sleeved in the valve core sleeve (06), the middle part of the side wall of the filter screen frame (11) has a gap between the inner wall of the valve core sleeve (06), the side wall of the filter screen frame (11) is provided with a third water outlet (31) connected with the second water outlet (35), and the filter screen (20) is adapted to be sleeved on the inner side of the filter screen frame (11). The cleaning assembly comprises a fixing sleeve (26) and a cleaning brush (21), the fixing sleeve (26) is located outside the valve core column (08), the top end of the fixing sleeve (26) is provided with a protrusion (22) clamped with the inner top wall of the valve cover (07), and the cleaning brush (21) is fixed on the outer side wall of the fixing sleeve (26) and is in contact with the filter screen (20).

2. An electrically powered filter valve according to claim 1, wherein The outer wall of the valve core sleeve (06) and the inner wall of the valve seat (04) form a balance water cavity (37), the lower part of the side wall of the valve core sleeve (06) is provided with a first water inlet (38) communicating with the balance water cavity (37), the blowdown port (09) and the water passing cavity (36), and the side wall of the valve seat (04) is provided with a second water inlet (10) connected with the blowdown port (09).

3. An electrically powered filter valve according to claim 1, wherein The bottom end of the valve seat (04) is provided with a motor (27), the output shaft (01) of the motor (27) is connected with the bottom end of the valve core body and is used for driving the valve core body to rotate.

4. An electrically powered filter valve according to claim 1, wherein The inner side of the fixing sleeve (26) is provided with a fixing sleeve ring (34) integrally formed with the valve cover (07), and the fixing sleeve ring (34) is sleeved on the top end of the valve core column (08).

5. An electrically powered filter valve according to claim 4, wherein The valve cover (07) is provided with a gas hole (23) corresponding to the valve core column (08).

6. An electrically powered filter valve according to claim 1, wherein The valve seat (04) side wall is provided with a hole corresponding to the first water outlet (33), the hole is provided with two and is distributed along the radial symmetry, the left hole is embedded with the eleventh sealing ring (17), the right hole is embedded with the tenth sealing ring (29), the inner side of the eleventh sealing ring (17) is provided with a left support sleeve ring (16), the inner side of the tenth sealing ring (29) is provided with a right support sleeve ring (30), the inner side of the left support sleeve ring (16) forms a first through hole (15), and the inner side of the right support sleeve ring (30) forms a second through hole (32) communicated with the first water outlet (33).

7. A water purifier system comprising the electrically operated filter valve according to any one of claims 1 to 6, characterized in that It also includes a booster pump (A04) and a reverse osmosis membrane (A05) connected in sequence, the water inlet end of the booster pump (A04) is communicated with the first water outlet (33) of the electric filter valve (A02), the water inlet (25) of the electric filter valve (A02) is connected with a water inlet pipe (A03), the blowdown port (09) of the electric filter valve (A02) is connected with a blowdown faucet (A01), the outlet end of the booster pump (A04) is connected with the inlet end of the reverse osmosis membrane (A05), the clean water end of the reverse osmosis membrane (A05) is connected with a clean water faucet (A07), and the concentrated water end of the reverse osmosis membrane (A05) is connected with a concentrated water pipe (A06).

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