Control valve assembly and water purification equipment

Abstract

The utility model discloses a control valve assembly and water purification equipment, the control valve assembly comprises a mounting seat, an electromagnetic valve and a one-way valve, the mounting seat is provided with a containing cavity, a water inlet and a water outlet, the mounting seat further comprises a water sealing rib arranged in the containing cavity, the containing cavity is divided into a first flow channel and a second flow channel by the water sealing rib, and the first flow channel is communicated with the water inlet; the electromagnetic valve is mounted on the mounting seat and is communicated with the first flow channel and the second flow channel; the one-way valve is located in the containing cavity, a first connector of the one-way valve communicates with the second runner, and a second connector of the one-way valve communicates with the water outlet. According to the control valve assembly, on the basis that reverse flowing of water is avoided, the one-way valve and the electromagnetic valve can be integrated into a whole so that the occupied volume of the control valve assembly can be reduced, meanwhile, the number of pipeline connectors can be effectively reduced by arranging a flow channel in the installation base, the number of water leakage points of equipment is correspondingly reduced, and the service life of the equipment is prolonged. And integrated connection of the electromagnetic valve and the one-way valve is safer and more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of water purifiers, in particular to a control valve assembly and a water purification device. Background Art

[0002] A water purification device, also known as a water purifier or water quality purifier, is a water treatment device that deeply filters and purifies water quality according to the usage requirements of water. With the improvement of living standards, people's requirements for the water quality of water used are getting higher and higher, and water purification devices have been widely used.

[0003] In the related art, the internal water circuit of the water purification device is relatively complex, and various valves are provided in the water purification device. However, each valve is installed in series separately in the water circuit, which is likely to cause complex assembly and occupy the internal space of the machine, and is not conducive to the miniaturization of the whole machine. Summary of the Utility Model

[0004] The utility model provides a control valve assembly and a water purification device, which can integrate an electromagnetic valve and a check valve into one body, thereby reducing the occupied volume of the control valve assembly.

[0005] In a first aspect, the utility model provides a control valve assembly, comprising:

[0006] A mounting seat having a receiving cavity, a water inlet and a water outlet. The mounting seat further includes a water sealing rib disposed inside the receiving cavity. The water sealing rib divides the receiving cavity into a first flow channel and a second flow channel, and the first flow channel is communicated with the water inlet;

[0007] An electromagnetic valve mounted on the mounting seat, the electromagnetic valve communicating the first flow channel and the second flow channel, and the electromagnetic valve being used for controlling the on-off between the first flow channel and the second flow channel;

[0008] A check valve located inside the receiving cavity. The check valve has a first interface and a second interface. The first interface is communicated with the second flow channel, the second interface is communicated with the water outlet, and the check valve is used for controlling the one-way flow of the fluid in the receiving cavity from the water inlet to the water outlet.

[0009] In some embodiments, the control valve assembly further includes a first partition plate disposed inside the receiving cavity. The first partition plate and a part of the inner wall of the receiving cavity enclose a first cavity. The first cavity extends along the axial direction of the water outlet, and the first cavity is communicated with the second flow channel and the water outlet; the check valve is installed between the second flow channel and the water outlet, and the periphery of the check valve is connected to the inner wall of the first cavity.

[0010] In some embodiments, the one-way valve includes a housing, a one-way valve core, and a reset member. The housing is connected to the inner wall of the first cavity. The one-way valve core is disposed in the housing and can move axially relative to the housing along the axial direction of the water outlet so that the one-way valve core switches between a first position and a second position. When the one-way valve core is in the first position, the second flow channel is blocked from the water outlet. When the one-way valve core is in the second position, the second flow channel is in communication with the water outlet in the direction towards the water outlet. One end of the reset member is connected to the housing, and the other end of the reset member is connected to the one-way valve core. The reset member is configured to reset the one-way valve core from the second position to the first position.

[0011] In some embodiments, the control valve assembly further includes a gland assembly connected to the mounting seat. The gland assembly is disposed in the first cavity and is located on the side of the one-way valve away from the water outlet. The gland assembly contacts the end of the one-way valve.

[0012] In some embodiments, the one-way valve is located on the side of the first cavity close to the water outlet, and the wall of the second interface contacts the bottom wall of the first cavity. The gland assembly includes a gland and a limiting member. The gland is located on the side of the one-way valve away from the water outlet and is connected to the mounting seat. The limiting member is connected to the gland and is located on the side of the gland close to the one-way valve. The limiting member contacts the wall of the first interface.

[0013] In some embodiments, the solenoid valve further includes a coil assembly and a diaphragm assembly. The coil assembly is connected to the mounting seat and is in driving connection with the diaphragm assembly. The coil assembly can drive the diaphragm assembly to move relative to the mounting seat so that the diaphragm assembly switches between a closed position and an open position. When the diaphragm assembly is in the closed position, the first flow channel is blocked from the second flow channel. When the diaphragm assembly is in the open position, the first flow channel is in communication with the second flow channel.

[0014] In some embodiments, when the diaphragm assembly is in the closed position, the diaphragm assembly abuts against the water sealing rib, and the first flow channel is blocked. When the diaphragm assembly is in the open position, the diaphragm assembly is separated from the water sealing rib, and the first flow channel is in communication.

[0015] In some embodiments, the water sealing rib is annular. The first flow channel extends along the outer circle of the water sealing rib, and the second flow channel is located inside the annulus of the water sealing rib.

[0016] In some embodiments, the axial direction of the water inlet is parallel to the axial direction of the water outlet.

[0017] In a second aspect, the present utility model also provides a water purification device, which includes a water purification main body and a control valve assembly as described in any of the above embodiments, and the control valve assembly is arranged on the water purification main body.

[0018] Based on the control valve assembly and the water purification device in the present utility model, since the control valve assembly of this embodiment is integrated with a check valve and a solenoid valve, on the basis of avoiding reverse water flow, the check valve and the solenoid valve can be integrated into one body, so as to reduce the occupied volume of the control valve assembly, and it is convenient for the control valve assembly to be applied to a narrow installation space. At the same time, by setting the flow channel inside the mounting seat, the number of pipeline joints can be effectively reduced, so that the water leakage points of the device are correspondingly reduced, and the integrated connection between the solenoid valve and the check valve is safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic structural diagram of the control valve assembly in an embodiment;

[0021] Figure 2 It is a partial exploded structural diagram of the control valve assembly in an embodiment;

[0022] Figure 3 It is a schematic cross-sectional structure diagram of the mounting seat in an embodiment;

[0023] Figure 4 For Figure 3 the enlarged structural diagram at A in

[0024] Figure 5 It is a schematic cross-sectional structure diagram of the control valve assembly in an embodiment;

[0025] Figure 6 It is a partial exploded cross-sectional structure diagram of the control valve assembly in an embodiment.

[0026] Reference Signs:

[0027] 1. Control valve assembly;

[0028] 10. Mounting seat; 11. Accommodating cavity; 12. Water inlet; 13. Water outlet;

[0029] 20. Solenoid valve; 21. Coil assembly; 22. Diaphragm assembly

[0030] 30. Check valve; 31. Housing; 32. Check valve core; 33. Reset member; 34. First interface; 35. Second interface;

[0031] 40. First partition; 41. First cavity; 42. First opening;

[0032] 50. Gland assembly; 51. Gland; 52. Limiting member;

[0033] 60. Water sealing rib; 61. First flow channel; 62. Second flow channel. Detailed implementation manner

[0034] In order to more clearly illustrate the technical solutions in the present invention or related technologies, the following will be clearly and completely described in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035] In related technologies, in order to control the flow direction of water, a variety of valves are provided in the water purifier. Among them, solenoid valves and check valves are more commonly used. The solenoid valve is used to control the on / off of the water path, and the check valve is used to control the one-way conduction of the water path. Moreover, solenoid valves and check valves are often used in cooperation. However, since the solenoid valve and the check valve are two independent components, it is necessary to provide components such as a water path and a water path joint that communicate with each other. This will result in a large number of internal components in the water purifier, a large structural size, a high cost, and more water leakage points in the water purifier, and lower reliability.

[0036] In view of the above situation, in the first aspect, please refer to Figure 1 - Figure 2 , the present invention provides a control valve assembly 1, including a mounting seat 10, a solenoid valve 20 and a check valve 30.

[0037] The mounting seat 10 has a receiving cavity 11, a water inlet 12 and a water outlet 13. Both the water inlet 12 and the water outlet 13 can communicate with the receiving cavity 11. The mounting seat 10 further includes a water sealing rib 60 disposed inside the receiving cavity 11. The water sealing rib 60 divides the receiving cavity 11 into a first flow channel 61 and a second flow channel 62. The first flow channel 61 communicates with the water inlet 12; the solenoid valve 20 is installed on the mounting seat 10, and the solenoid valve 20 communicates the first flow channel 61 with the second flow channel 62; the check valve 30 is located in the receiving cavity 11. The check valve 30 has a first interface 34 and a second interface 35. The first interface 34 of the check valve 30 communicates with the second flow channel 62, and the second interface 35 of the check valve 30 communicates with the water outlet 13.

[0038] Specifically, the solenoid valve 20 can control the on-off of the first flow channel 61 and the second flow channel 62, and the one-way valve 30 can control the one-way flow of the fluid in the accommodation cavity 11 from the water inlet 12 to the water outlet 13. That is, the one-way valve 30 can make the water flowing in from the water inlet 12 of the control valve assembly 1 only flow out from the water outlet 13, thereby preventing the water flowing out from the water outlet 13 from flowing back into the second flow channel 62. Among them, a conducting wire is connected to the solenoid valve 20, and the conducting wire is electrically connected to an external power supply or controller to provide a control electrical signal to the solenoid valve 20; sealing rings are provided on the outer peripheral side walls of the water inlet 12 and the water outlet 13, which is beneficial to the sealed connection between the water inlet 12 and the water outlet 13 and an external pipeline.

[0039] It should be noted that since the control valve assembly 1 in the present utility model integrates a one-way valve 30 and a solenoid valve 20 by itself, on the basis of avoiding the reverse flow of water, the one-way valve 30 and the solenoid valve 20 can also be integrally arranged to reduce the occupied volume of the control valve assembly 1, and it is convenient for the control valve assembly 1 to be applicable to a narrow installation space. At the same time, by setting the flow channels inside the mounting seat, the number of pipeline joints can be effectively reduced, the water leakage points of the equipment are correspondingly reduced, and the integrated connection between the solenoid valve and the one-way valve is safer and more reliable.

[0040] As Figure 2 - Figure 3 shown, in some embodiments, the axial direction of the water inlet 12 is parallel to the axial direction of the water outlet 13, so as to facilitate the simultaneous connection of the water inlet 12 and the water outlet 13 to the water channel structure inside the accommodation cavity 11. Or, in some other embodiments, the axial direction of the water inlet 12 and the axial direction of the water outlet 13 can also form an included angle.

[0041] Please refer to Figure 2 - Figure 3 , in some embodiments, the water sealing rib 60 can be annular. The water sealing rib 60 and the first partition 40 enclose a first flow channel 61 extending along the outer circle of the water sealing rib 60 and a second flow channel 62 located inside the annular inner circle of the water sealing rib 60. The first flow channel 61 and the second flow channel 62 are separated by the water sealing rib 60. The water flow sequentially passes through the water inlet 12, the first flow channel 61, the communication channel of the solenoid valve 20, the second flow channel 62, the first cavity 41, the one-way valve 30, and the water outlet 13 in the control valve assembly 1. Among them, a first opening 42 can be opened on the first partition 40, and the second flow channel 62 is communicated with the first cavity 41 through the first opening 42. The first opening 42 is located on the side of the one-way valve 30 away from the water outlet 13.

[0042] Please refer to Figure 3In some embodiments, the control valve assembly 1 also includes a first partition 40 disposed in the accommodating chamber 11, the first partition 40 and a portion of the inner wall of the accommodating chamber 11 enclose a first cavity 41, the first cavity 41 extends axially along the water outlet 13, and the first cavity 41 is connected to the second flow channel and the water outlet 13; the one-way valve 30 is installed between the second flow channel and the water outlet 13, and the peripheral side of the one-way valve 30 is connected to the inner wall of the first cavity 41.

[0043] Specifically, taking the axial vertical extension of the water outlet 13 as an example, the first cavity 41 extends vertically, and the first cavity 41 surrounded by the first partition 40 can provide a setting space and installation basis for the one-way valve 30. At the same time, the inner wall of the first cavity 41 can form a limit on the surrounding side of the one-way valve 30 to prevent the one-way valve 30 from being displaced when the water flows through the one-way valve 30.

[0044] In some embodiments, Figure 2 - Figure 3 As shown, the first partition plate 40 is an annular partition plate, and the hollow cavity of the annular partition plate forms a first cavity 41. The one-way valve 30 is located in the first cavity 41 and is fixedly connected to the first partition plate 40. The one-way valve 30 and the first partition plate 40 can be fixed by means of clamping, screwing, welding or interference fit.

[0045] For further information, see Figure 3 - Figure 4 In some embodiments, the one-way valve 30 includes a shell 31, a one-way valve core 32 and a reset member 33. The shell 31 is connected to the inner wall of the first cavity 41. Exemplarily, the inner wall of the first cavity 41 surrounds the circumference of the shell 31 to limit the position of the shell 31, thereby preventing the shell 31 from shifting in position.

[0046] The one-way valve core 32 is arranged on the shell 31, and the one-way valve core 32 can move axially along the water outlet 13 relative to the shell 31, so that the one-way valve core 32 switches between the first position and the second position. When water flows from the second flow channel 62 to the one-way valve 30, the water pressure of the water flow pushes the one-way valve core 32 to move, so that the one-way valve core 32 moves to the second position, and the second flow channel 62 is connected in the direction of the water outlet 13, that is, the second flow channel 62 is unidirectionally connected to the water outlet 13, so that water flowing out of the second flow channel 62 can flow through the one-way valve 30 and flow out of the water outlet 13; when water flows from the water outlet 13 to the direction of the second flow channel 62, the water pressure drives the one-way valve core 32 to move to the first position, and the second flow channel 62 is cut off from the water outlet 13, so that the water flowing out of the water outlet 13 cannot flow in the opposite direction.

[0047] One end of the reset member 33 is connected to the housing 31, and the other end of the reset member 33 is connected to the one-way valve core 32. After water flows from the second flow channel 62 to the water outlet 13, if there is no subsequent water flow continuing to flow to the water outlet 13, the reset member 33 will reset the one-way valve core 32 from the second position to the first position, thereby blocking the second flow channel 62 and the water outlet 13 and preventing the reverse flow of the water outside the water outlet 13.

[0048] Please refer to Figure 5 , in some embodiments, the control valve assembly 1 further includes a gland assembly 50 connected to the mounting seat 10. The gland assembly 50 is disposed in the first cavity 41, and the gland assembly 50 is located on the side of the one-way valve 30 away from the water outlet 13. The gland assembly 50 contacts the end of the housing 31 of the one-way valve 30.

[0049] Specifically, the one-way valve 30 is fixedly installed in the first cavity 41 through the gland assembly 50. The first cavity 41 extends along the axis of the water outlet 13 and penetrates through the mounting seat 10 to provide a space for the installation and movement of the one-way valve 30. The water outlet 13 forms a through hole of the first cavity 41, and another through hole of the first cavity 41 is closed by the gland assembly 50, that is, the gland assembly 50 can form a closed water inlet cavity for the inlet of the one-way valve 30.

[0050] Further, please refer to Figure 4 - Figure 5 , in some embodiments, the one-way valve 30 is located on the side of the first cavity 41 close to the water outlet 13, and the wall of the second interface 35 on the one-way valve 30 contacts the bottom wall of the first cavity 41. That is to say, the bottom wall of the first cavity 41 can provide support for the wall of the second interface 35 on the one-way valve 30 and prevent the one-way valve 30 from moving downward during the process of the second flow channel 62 discharging water to the water outlet 13.

[0051] The gland assembly 50 includes a gland 51 and a limiting member 52. The gland 51 is disposed opposite to the one-way valve 30, and the gland 51 is connected to the mounting seat 10 to close a through hole between the first cavity 41 and the outside. A sealing ring can also be provided on the circumferential side of the gland 51 to improve the sealing performance between the gland 51 and the inner side wall of the first cavity 41.

[0052] The limiting member 52 is connected to the gland 51, and the limiting member 52 is located on the side of the gland 51 close to the one-way valve 30. The limiting member 52 contacts the wall of the first interface 34 on the one-way valve 30. That is to say, the limiting member 52 can provide support for the wall of the first interface 34 on the one-way valve 30 and prevent the one-way valve 30 from moving upward when the water pressure at the water outlet 13 increases. It can be understood that the one-way valve 30 is disposed between the limiting member 52 and the bottom wall of the first cavity 41, and the limiting member 52 and the bottom wall of the first cavity 41 jointly limit the one-way valve 30, so that the installation and operation of the one-way valve 30 are more stable.

[0053] In some embodiments, the limiting member 52 may be a limiting post. One end of the limiting post is connected to the gland 51, and the other end abuts against the wall of the first interface 34 on the one-way valve 30 to limit the one-way valve 30. Alternatively, the limiting member 52 may also be an annular baffle. The outer ring of the annular baffle abuts against the wall of the first interface 34 to better limit the one-way valve 30.

[0054] Please refer to Figure 5 - Figure 6 , in some embodiments, the solenoid valve 20 further includes a coil assembly 21 and a diaphragm assembly 22. The coil assembly 21 is connected to the mounting seat 10, and the coil assembly 21 is drivingly connected to the diaphragm assembly 22. The coil assembly 21 can drive the diaphragm assembly 22 to move relative to the mounting seat 10 so that the diaphragm assembly 22 can be switched between a cut-off position and a conducting position. When the diaphragm assembly 22 is in the cut-off position, the first flow channel 61 and the second flow channel 62 are cut off. When the diaphragm assembly 22 is in the conducting position, the first flow channel 61 and the second flow channel 62 are in communication.

[0055] Further, when the diaphragm assembly 22 is in the cut-off position, the diaphragm assembly 22 abuts against the water sealing rib 60. At this time, the first flow channel 61 is cut off, that is, the water inlet 12 and the first flow channel 61 are cut off, and water cannot be introduced into the water inlet 12. When the diaphragm assembly 22 is in the conducting position, the diaphragm assembly 22 is separated from the water sealing rib 60. At this time, the first flow channel 61 is in communication, that is, the water inlet 12 and the communication channel are in communication, and water can flow from the water inlet 12 and the first flow channel 61 to the water outlet 13.

[0056] In a second aspect, the present utility model also provides a water purification device, including a water purification main body and the control valve assembly 1 as described in any of the above embodiments. The control valve assembly 1 is disposed on the water purification main body.

[0057] It should be noted that the water purification device further includes a filter element connected to an external water source. The filter element is disposed in the water purification main body. The filter element can be used to filter impurities in the water source and intercept some toxic and harmful substances, making the water pure and drinkable. The water outlet 13 of the filter element can be connected to the water inlet 12 of the control valve assembly 1 and the water intake port of the water purification device, and the water return port of the filter element is connected to the water outlet 13 of the control valve assembly 1. After a user completes a water intake through the water intake port, the solenoid valve 20 of the control valve assembly 1 controls the water inlet 12 to be communicated with the first flow channel 61, and the pure water prepared by the filter element flows back into the filter element through the control valve assembly 1 and the water return port of the filter element, thereby replacing the concentrated water and raw water in the filter element, so that the filter element is completely filled with water having a lower total dissolved solids (TDS) during standby. When the user takes water next time, the total dissolved solids of the first glass of water taken by the user are lower and meet the usage requirements. At the same time, after the replacement is completed, the solenoid valve 20 of the control valve assembly 1 controls the water inlet 12 to be cut off from the first flow channel 61, and the check valve 30 can prevent the water from flowing backward, so that the filtered water enters the pure water end of the filter element, thereby ensuring that the quality of the pure water meets the usage requirements.

[0058] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the accompanying drawings. This is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the accompanying drawings are only for illustrative purposes and cannot be understood as a limitation of the present invention. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0059] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A control valve assembly, characterized in that: include: A mounting seat, comprising a receiving cavity, a water inlet and a water outlet, the mounting seat further comprising a water sealing rib arranged inside the receiving cavity, the water sealing rib dividing the receiving cavity into a first flow channel and a second flow channel, the first flow channel being in communication with the water inlet; an electromagnetic valve, mounted on the mounting seat, the electromagnetic valve connecting the first flow channel and the second flow channel, and the electromagnetic valve is used to control the on-off between the first flow channel and the second flow channel; A one-way valve is located in the accommodating chamber, and the one-way valve has a first interface and a second interface, the first interface is connected to the second flow channel, the second interface is connected to the water outlet, and the one-way valve is used to control the one-way flow of the fluid in the accommodating chamber from the water inlet to the water outlet.

2. The control valve assembly according to claim 1, characterized in that The control valve assembly further includes a first partition disposed in the accommodating cavity, wherein the first partition and a portion of the inner wall of the accommodating cavity enclose a first cavity, the first cavity extends along the axial direction of the water outlet, and the first cavity is communicated with the second flow channel and the water outlet; The one-way valve is installed between the second flow channel and the water outlet, and the peripheral side of the one-way valve is connected to the inner wall of the first cavity.

3. The control valve assembly according to claim 2, characterized in that The one-way valve comprises: A shell connected to the inner wall of the first cavity; a one-way valve core, arranged on the housing, the one-way valve core being movable relative to the housing along the axial direction of the water outlet so that the one-way valve core is switched between a first position and a second position; when the one-way valve core is located at the first position, the second flow channel is cut off from the water outlet; when the one-way valve core is located at the second position, the second flow channel is opened toward the water outlet; A reset member, one end of which is connected to the housing, and the other end of which is connected to the one-way valve core, and the reset member is used to reset the one-way valve core from the second position to the first position.

4. The control valve assembly according to claim 2, characterized in that: The control valve assembly also includes a gland assembly connected to the mounting seat, the gland assembly is arranged in the first cavity, and the gland assembly is located on a side of the one-way valve away from the water outlet, and the gland assembly contacts an end of the one-way valve.

5. The control valve assembly according to claim 4, characterized in that The one-way valve is located on a side of the first cavity close to the water outlet, and the mouth wall of the second interface is in contact with the bottom wall of the first cavity; The gland assembly includes a gland and a limit member, the gland is located on a side of the one-way valve away from the water outlet, and the gland is connected to the mounting seat, the limit member is connected to the gland, and the limit member is located on a side of the gland close to the one-way valve, and the limit member contacts the mouth wall of the first interface.

6. The control valve assembly according to claim 1, characterized in that The solenoid valve further comprises a coil assembly and a diaphragm assembly, wherein the coil assembly is connected to the mounting seat, and the coil assembly is in transmission connection with the diaphragm assembly, and the coil assembly can drive the diaphragm assembly to move relative to the mounting seat, so that the diaphragm assembly switches between a cut-off position and a conduction position; When the diaphragm assembly is located at the cut-off position, the first flow channel is cut off from the second flow channel, and when the diaphragm assembly is located at the conduction position, the first flow channel is conducted to the second flow channel.

7. The control valve assembly according to claim 6, characterized in that When the diaphragm assembly is located at the cut-off position, the diaphragm assembly abuts against the water sealing rib, and the first flow channel is cut off. When the diaphragm assembly is located at the conducting position, the diaphragm assembly is separated from the water sealing rib, and the first flow channel is conducted.

8. The control valve assembly according to claim 1, characterized in that The water sealing rib is annular in shape, the first flow channel is extended along the outer circle of the water sealing rib, and the second flow channel is located inside the annular shape of the water sealing rib.

9. The control valve assembly according to claim 1, characterized in that The axial direction of the water inlet is arranged parallel to the axial direction of the water outlet.

10. A water purification device, characterized in that: The invention comprises a water purification body and a control valve assembly according to any one of claims 1 to 9, wherein the control valve assembly is arranged on the water purification body.

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