A multifunctional softening valve

Abstract

The present invention relates to the technical field of water treatment, and particularly relates to a multifunctional softening valve. The multifunctional softening valve includes a valve body, a moving valve plate and a fixed valve plate. An inlet, an outlet, a drain port, a brine inlet and a regeneration port are arranged in the radial direction of the valve body; the fixed valve plate corresponds to the valve body up and down, and the fixed valve plate is provided with a fixed valve plate water inlet hole and a fixed valve plate water outlet hole. The central angle corresponding to the fixed valve plate water inlet hole is at least 60°, and the central angle corresponding to the fixed valve plate water outlet hole is at least 90°; the moving valve plate is provided with a water inlet through groove, a water outlet conduction blind hole and a drain conduction blind hole. The central angle corresponding to the water inlet through groove is the same as the central angle corresponding to the fixed valve plate water inlet hole, the central angle corresponding to the water outlet conduction blind hole is the same as the central angle corresponding to the fixed valve plate water outlet hole, and the central angle corresponding to the drain conduction blind hole is at least 30°. Under the condition of meeting the same water inlet area and water outlet area, the design size of the valve body of the multifunctional softening valve of the present invention is smaller, and less injection molding material is used for manufacturing, greatly saving the manufacturing cost.

Description

Technical Field

[0001] The present invention relates to the technical field of water treatment, and particularly to a multifunctional softening valve. Background Art

[0002] In the prior art, for a control valve of a softening water treatment device with an end face sealing structure in production or life, its valve core usually consists of a moving valve plate and a fixed valve plate with a pair of end faces in sealing connection with each other. By rotating the moving valve plate, the output of water flow in the valve core and the direction, time, and flow rate of the water flow output are controlled, so as to respectively perform backwashing, regeneration, normal flushing, salt tank water injection, and normal operation on filter media (such as ion exchange resin) to achieve the purpose of softening water treatment.

[0003] To achieve the above functions, a plurality of water flow through holes need to be opened on the sealing end face of the fixed valve plate. However, there are also certain deficiencies: due to the limitation of the structural size of each through hole, the cross-sectional area of the through hole is small, seriously affecting the output of the water flow in the through hole. And there is a water inlet through groove on the end face of the moving valve plate. Since the water inlet through groove needs to correspond to the positions where a plurality of through holes are provided on the fixed valve plate, this limits the indexing angle of the opening of the water inlet through groove from expanding too much, and thus the cross-sectional area of the water inlet through groove is small. During actual operation, water outputs the produced water from the water outlet conducting blind hole on the moving valve plate, and the cross-sectional size of the water outlet conducting blind hole also affects the output water volume. In order to meet the requirement of large-flow water passing through the valve body, it is necessary to increase the effective area of the water inlet and outlet holes in the valve body. Under the same requirement of water inlet and outlet volume, increasing the effective area of the water inlet and outlet holes in the valve body requires a valve body with a larger specification size, which increases the manufacturing cost of the valve body. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a multifunctional softening valve to solve the technical problem that in the prior art, in order to meet the water output flow requirement of the softening valve, a valve body with a larger specification needs to be manufactured, thereby increasing the manufacturing cost of the valve body.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is:

[0006] A multifunctional softening valve includes a valve body, a fixed valve plate fixed on the valve body, and a moving valve plate rotatably assembled on the valve body. The fixed valve plate and the moving valve plate are rotationally and sealingly matched. An inlet, an outlet, a drain port, a brine inlet, and a regeneration port are arranged in the radial direction of the valve body. The valve body is also provided with a first filter element interface and a second filter element interface, wherein:

[0007] Inside the valve body, a first valve chamber and a second valve chamber are successively arranged from the inside to the outside along the radial direction. The second valve chamber includes a valve body central chamber and, outside the valve body central chamber, a water inlet chamber, a water outlet chamber, a backwash chamber, a regeneration water inlet chamber, a normal wash chamber, and a brine suction and water injection chamber that are successively arranged coaxially along the circumferential direction and have a sector-ring cross-section. The water outlet chamber includes a first water outlet chamber and a second water outlet chamber separated along the radial direction.

[0008] The fixed valve plate corresponds to the valve body up and down. The fixed valve plate is provided with a fixed valve plate central hole and, outside the fixed valve plate central hole, a fixed valve plate water inlet hole, a fixed valve plate water outlet hole, a fixed valve plate backwash hole, a first blind plate, a fixed valve plate normal wash hole, and a second blind plate that are successively arranged coaxially along the circumferential direction and have a sector-ring cross-section. A regeneration water inlet hole is opened on the first blind plate, and a brine mixing water inlet hole is opened on the second blind plate. The fixed valve plate central hole is coaxial and communicated with the valve body central chamber. The central angle corresponding to the fixed valve plate water inlet hole is at least 60°, and the central angle corresponding to the fixed valve plate water outlet hole is at least 90°. The fixed valve plate water outlet hole includes a fixed valve plate first water outlet hole and a fixed valve plate second water outlet hole separated from each other along the radial direction.

[0009] The movable valve plate is coaxially arranged with the fixed valve plate. The movable valve plate is provided with a movable valve plate central blind hole and, outside the movable valve plate central blind hole, a water inlet through groove, a water outlet conduction blind hole, and a third blind plate that are successively arranged coaxially along the circumferential direction. A drain conduction blind hole communicated with the movable valve plate central blind hole is opened on the third blind plate. The central angle corresponding to the water inlet through groove is the same as the central angle corresponding to the fixed valve plate water inlet hole, the central angle corresponding to the water outlet conduction blind hole is the same as the central angle corresponding to the fixed valve plate water outlet hole, and the central angle corresponding to the drain conduction blind hole is at least 30°.

[0010] The first valve chamber is communicated with the water inlet. The valve body central chamber is communicated with the drain port and the fixed valve plate central hole. The fixed valve plate water inlet hole and the water inlet chamber are communicated with the first filter element interface. The fixed valve plate first water outlet hole and the first water outlet chamber are communicated with the second filter element interface. The fixed valve plate second water outlet hole is communicated with the water outlet. The fixed valve plate backwash hole and the backwash chamber are communicated with the second filter element interface. The regeneration water inlet hole and the brine mixing water inlet hole are used to be communicated with the first filter element interface. The fixed valve plate normal wash hole, the normal wash chamber, and the first filter element interface are communicated.

[0011] Preferably, the central angle corresponding to the fixed valve plate water inlet hole is 60°, the central angle corresponding to the fixed valve plate water outlet hole is 90°, and the central angle corresponding to the drain conduction blind hole is 30°.

[0012] Furthermore, the central angle corresponding to the water inlet chamber is the same as that corresponding to the water inlet hole of the fixed valve plate, the cross-sectional area of the first water outlet chamber is the same as that of the first water outlet hole of the fixed valve plate, the cross-sectional area of the second water outlet chamber is the same as that of the second water outlet hole of the fixed valve plate, the central angle corresponding to the backwashing chamber is the same as that corresponding to the backwashing hole of the fixed valve plate, the central angle corresponding to the regeneration water inlet chamber is the same as that corresponding to the first blind plate, the central angle corresponding to the normal flushing chamber is twice that corresponding to the normal flushing hole of the fixed valve plate, and the central angle corresponding to the salt suction and water injection chamber is half that corresponding to the second blind plate.

[0013] Preferably, the regeneration water inlet hole and the salt water mixing water inlet hole have the same external shape characteristics, and both are arranged at the edge position close to the fixed valve plate.

[0014] As another preferred technical solution of the multifunctional softening valve, the central angle corresponding to the water inlet hole of the fixed valve plate is 60°, the central angle corresponding to the water outlet hole of the fixed valve plate is 90°, and the central angle corresponding to the drainage conduction blind hole is 60°.

[0015] As another preferred technical solution of the multifunctional softening valve, the central angle corresponding to the water inlet hole of the fixed valve plate is 60°, the central angle corresponding to the water outlet hole of the fixed valve plate is 120°, and the central angle corresponding to the drainage conduction blind hole is 30°.

[0016] Furthermore, the valve body is integrally injection-molded.

[0017] The beneficial effects of the multifunctional softening valve of the present invention are as follows:

[0018] 1. In the multifunctional softening valve of the present invention, the area ratio of the water inlet hole on the fixed valve plate is at least 1 / 6, and the area ratio of the water outlet hole is at least 1 / 4. The area ratio of the water inlet through groove on the movable valve plate is the same as that of the water inlet hole on the fixed valve plate, and the area ratio of the water outlet conduction blind hole is the same as that of the water outlet hole on the fixed valve plate. Restricted by the specific valve body structure, among the multifunctional softening valves on the market, under the same installation dimensions of the valve body, the existing multifunctional softening valves on the market have a smaller water inlet area and water outlet area, while the multifunctional softening valve of the present invention has a larger water inlet area and water outlet area, thereby improving the water outlet performance and water outlet efficiency. Similarly, under the same installation conditions, when meeting the same water inlet area and water outlet area, the valve body design size of the multifunctional softening valve of the present invention is smaller, and less injection molding material is used during manufacturing, thereby greatly saving the manufacturing cost.

[0019] 2. Based on the valve body structure, if necessary, the area ratio of the fixed valve sheet water outlet holes on the fixed valve sheet can be further increased to 1 / 3, and the drainage conduction blind hole, that is, the area ratio of the drainage holes of the entire multifunctional softening valve, can be further increased to 1 / 6. At this time, under the condition of meeting the same water outlet area and drainage area, the size of the multifunctional softening valve of the present invention can be further reduced. Correspondingly, the materials used in manufacturing can be further reduced, further saving the manufacturing cost. However, the multifunctional softening valves on the market are restricted by the valve body structure and cannot continue to expand the water inlet area and water outlet area as required under the same conditions. Brief Description of the Drawings

[0020] Figure 1 is a schematic perspective view of the multifunctional softening valve of the present invention;

[0021] Figure 2 is a cross-sectional view of the multifunctional softening valve of the present invention;

[0022] Figure 3 is a top view of the valve body of the multifunctional softening valve of the present invention;

[0023] Figure 4 is a bottom view of the valve body of the multifunctional softening valve of the present invention (partial pipelines are omitted);

[0024] Figure 5 is a schematic perspective view of the assembled valve body and fixed valve sheet of the multifunctional softening valve of the present invention;

[0025] Figure 6 is a top view of the assembled valve body and fixed valve sheet of the multifunctional softening valve of the present invention;

[0026] Figure 7 is a schematic structural view of the fixed valve sheet of the multifunctional softening valve of the present invention;

[0027] Figure 8 is a schematic structural view of the moving valve sheet of the multifunctional softening valve of the present invention;

[0028] Figure 9 is a schematic diagram of the relative positions of the moving valve sheet and the fixed valve sheet of the multifunctional softening valve of the present invention in the water production state;

[0029] Figure 10 is a schematic diagram of the relative positions of the moving valve sheet and the fixed valve sheet of the multifunctional softening valve of the present invention in the backwashing state;

[0030] Figure 11 is a schematic diagram of the relative positions of the moving valve sheet and the fixed valve sheet of the multifunctional softening valve of the present invention in the regeneration state;

[0031] Figure 12 is a schematic diagram of the relative positions of the moving valve sheet and the fixed valve sheet of the multifunctional softening valve of the present invention in the salt tank water injection state;

[0032] Figure 13 It is a schematic diagram of the relative positions of the moving valve plate and the fixed valve plate when the multifunctional softening valve of the present invention is in the normal flushing state.

[0033] Reference numerals: 1 - valve body, 2 - water inlet, 3 - water outlet, 4 - drain outlet, 5 - brine inlet, 6 - regeneration port, 7 - first filter element interface, 8 - second filter element interface, 9 - first valve cavity, 10 - central cavity of the valve body, 11 - water inlet cavity, 12 - water outlet cavity, 13 - backwashing cavity, 14 - regeneration water inlet cavity, 15 - normal flushing cavity, 16 - salt suction and water injection cavity, 121 - first water outlet cavity, 122 - second water outlet cavity, 17 - fixed valve plate, 18 - moving valve plate, 19 - water inlet hole of the fixed valve plate, 20 - water outlet hole of the fixed valve plate, 201 - first water outlet hole of the fixed valve plate, 202 - second water outlet hole of the fixed valve plate, 21 - first blind plate, 22 - second blind plate, 23 - third blind plate, 24 - water inlet through groove, 25 - water outlet conduction blind hole, 26 - central hole of the fixed valve plate, 27 - drain conduction blind hole, 28 - central blind hole of the moving valve plate, 29 - backwashing hole of the fixed valve plate, 30 - normal flushing hole of the fixed valve plate, 31 - driving device, 32 - regeneration water inlet hole, 33 - brine mixing water inlet hole. Detailed implementation manners

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0035] Specific embodiments of the multifunctional softening valve of the present invention:

[0036] As Figure 1 and Figure 2 shown, the multifunctional softening valve includes a valve body 1 integrally injection - molded, a fixed valve plate 17 installed in the valve body 1, a moving valve plate 18 rotatably assembled in the valve body 1, and a driving device 31 for driving the rotation of the moving valve plate 18. The moving valve plate 18 and the fixed valve plate 17 are rotationally and sealingly matched within the valve body. On opposite sides in the radial direction of the valve body 1, a water inlet 2 and a water outlet 3 are respectively provided. At a position between the water inlet 2 and the water outlet 3 in the radial direction of the valve body 1, a drain outlet 4, a brine inlet 5, and a regeneration port 6 are provided. At the bottom of the valve body 1, a first filter element interface 7 and a second filter element interface 8 are provided.

[0037] Inside the valve body 1, a first valve chamber 9 and a second valve chamber are successively arranged from inside to outside along the radial direction. Among them, the central position of the second valve chamber is the valve body central chamber 10. The part of the second valve chamber outside the valve body central chamber 10 is divided into twelve equal parts, and a water inlet chamber 11, a water outlet chamber 12, a backwash chamber 13, a regeneration water inlet chamber 14, a flushing chamber 15, and a brine suction and water injection chamber 16, which are coaxial with the valve body central chamber 10 and have a fan-shaped ring cross-section, are successively arranged counterclockwise along the circumferential direction. Among them, the water inlet chamber 11 accounts for 2 parts, the water outlet chamber 12 accounts for 3 parts, the backwash chamber 13 accounts for 2 parts, the regeneration water inlet chamber 14 accounts for 2 parts, the flushing chamber 15 accounts for 2 parts, and the brine suction and water injection chamber 16 accounts for 1 part. The first valve chamber 9 is located outside the second valve chamber, and the first valve chamber 9 is communicated with the water inlet 2. A partition plate is arranged in the middle of the water outlet chamber 12 to radially divide it into a first water outlet chamber 121 and a second water outlet chamber 122. The water inlet chamber 11 is communicated with the first filter element interface 7, the first water outlet chamber 121 is communicated with the second filter element interface 8, the valve body central chamber 10 is communicated with the drain port 4, the backwash chamber 13 is communicated with the second filter element interface 8, the regeneration water inlet chamber 14 is communicated with the regeneration port 6, the flushing chamber 15 is communicated with the first filter element interface 7, and the brine suction and water injection chamber 16 is communicated with the brine inlet 5.

[0038] As Figure 7 shown, the fixed valve plate 17 is located above the second valve chamber and corresponds to the second valve chamber up and down. The central position of the fixed valve plate 17 is the fixed valve plate central hole 26. The part of the fixed valve plate 17 outside the fixed valve plate central hole 26 is also divided into twelve equal parts, and a fixed valve plate water inlet hole 19, a fixed valve plate water outlet hole 20, a fixed valve plate backwash hole 29, a first blind plate 21, a fixed valve plate flushing hole 30, and a second blind plate 22, which are coaxial and have a fan-shaped ring cross-section, are successively arranged counterclockwise along the circumferential direction. Combining Figure 3 , Figure 4 , Figure 5 and Figure 6It can be known that the water inlet hole 19 of the fixed valve plate accounts for 2 parts, and the corresponding central angle is 60°. The water inlet hole 19 of the fixed valve plate is vertically corresponding and coincident with the water inlet chamber 11. The water outlet hole 20 of the fixed valve plate accounts for 3 parts, and the corresponding central angle is 90°. The water outlet hole 20 of the fixed valve plate is radially divided into the first water outlet hole 201 and the second water outlet hole 202 of the fixed valve plate. The first water outlet hole 201 of the fixed valve plate is vertically corresponding and coincident with the first water outlet chamber 121. The second water outlet hole 202 of the fixed valve plate is vertically corresponding and coincident with the second water outlet chamber 122. The backwashing hole 29 of the fixed valve plate accounts for 2 parts, and is vertically connected and coincident with the backwashing chamber 13. The first blind plate 21 accounts for 2 parts, and completely covers the regeneration water inlet chamber 14 in the vertical direction. However, a regeneration water inlet hole 32 communicating with the regeneration water inlet chamber 14 is opened on the first blind plate 21, and the regeneration water inlet hole 32 is located at the radial edge of the fixed valve plate 17. The normal washing hole 30 of the fixed valve plate accounts for 1 part, and is communicated with the normal washing chamber 15 in the vertical direction, but coincides with the normal washing chamber 15 by half. The second blind plate 22 accounts for 2 parts, and covers the other half of the normal washing chamber 15 and the salt suction and water injection chamber 16 in the vertical direction. However, a salt water mixing water inlet hole 33 communicating with the salt suction and water injection chamber 16 is provided at the position corresponding to the salt suction and water injection chamber 16 on the second blind plate 22. The salt water mixing water inlet hole 33 is also located at the radial edge position of the fixed valve plate 17. The external shape characteristics and cross-sectional areas of the salt water mixing water inlet hole 33 and the regeneration water inlet hole 32 are the same.

[0039] The moving valve plate 18 and the fixed valve plate 17 are coaxially arranged. As Figure 8 shown, the central position of the moving valve plate 18 is the central blind hole 28 of the moving valve plate. The part of the moving valve plate 18 outside the central blind hole 28 of the moving valve plate is also divided into twelve equal parts, and an inlet water through groove 24, an outlet water conducting blind hole 25 and a third blind plate 23 are coaxially arranged in sequence clockwise along the circumferential direction. Among them, the inlet water through groove 24 accounts for 2 parts, the outlet water conducting blind hole 25 accounts for 3 parts, and the third blind plate 23 accounts for 7 parts. Among them, a drainage conducting blind hole 27 communicating with the central blind hole 28 of the moving valve plate and accounting for 1 part is opened on the third blind plate. The drainage conducting blind hole 27 does not extend along the radial direction of the moving valve plate 18 to the edge of the moving valve plate 18, but extends to the radial middle position of the moving valve plate 18. The central angle corresponding to the inlet water through groove 24 is the same as the central angle corresponding to the water inlet hole 19 of the fixed valve plate, both being 60°. In this way, when the moving valve plate 18 rotates to the set position, the inlet water through groove 24 can cover the water inlet hole 19 and the backwashing hole 29 of the fixed valve plate up and down. The central angle corresponding to the outlet water conducting blind hole 25 is the same as the central angle corresponding to the water outlet hole 20 of the fixed valve plate, both being 90°. The central angle corresponding to the drainage conducting blind hole 27 is 30°. The central angles corresponding to the parts on both sides of the drainage conducting blind hole 27 on the third blind plate are both 90°.

[0040] When the multi-functional softening valve of the present invention is working, the driving device drives the moving valve plate 18 to rotate. By switching the relative overlapping positions between the various different through holes or blind holes on the moving valve plate 18 and the fixed valve plate 17, processes such as water production, backwashing, regeneration, normal flushing, and salt tank water injection can be achieved.

[0041] As Figure 9 shown, the multi-functional softening valve is in the water production state. At this time, the water inlet through groove 24 on the moving valve plate 18 communicates with the fixed valve plate water inlet hole 19 on the fixed valve plate 17. Raw water enters the first valve cavity 9 from the water inlet 2, and then enters the water inlet chamber 11 through the positions of the water inlet through groove 24 and the fixed valve plate water inlet hole 19. Then, it enters the softening water tank body from the first filter element interface 7. After being filtered and softened by the plasma exchange resin, it becomes softened water. The softened water successively passes through the second filter element interface 8, the first fixed valve plate water outlet hole 201, and the water outlet conduction blind hole 25, and then enters the second water outlet chamber 122 through the second fixed valve plate water outlet hole 202, and finally flows out from the water outlet 3.

[0042] As Figure 10 shown, the multi-functional softening valve is in the backwashing state. At this time, the water inlet through groove 24 on the moving valve plate 18 communicates and overlaps vertically with the fixed valve plate backwashing hole 29 on the fixed valve plate 17. Raw water enters the first valve cavity 9 from the water inlet 2, and then enters the backwashing chamber 13 through the water inlet through groove 24 and the fixed valve plate backwashing hole 29. Then, it enters the lower part of the softening water tank body through the second filter element interface 8 and the central pipe. Under the action of the water flow, the broken resin and throttled dirt successively pass through the first filter element interface 7, the water inlet chamber 11, the fixed valve plate water inlet hole 19, and enter the valve body central chamber 10 along the drainage conduction blind hole 27, and finally are discharged from the drainage port 4.

[0043] As Figure 11 shown, the multi-functional softening valve is in the regeneration state. At this time, the water inlet through groove 24 on the moving valve plate 18 communicates vertically with the regeneration water inlet hole 32 on the fixed valve plate 17. The water outlet conduction blind hole 25 on the moving valve plate 18 communicates with the brine mixing water inlet hole 33 and the fixed valve plate normal flushing hole 30. The brine in the salt tank enters the salt suction and water injection chamber 16 through the salt water inlet 5, and successively passes through the brine mixing water inlet hole 33, the water outlet conduction blind hole 25, the fixed valve plate normal flushing hole 30, and the first filter element interface 7 and enters the softening water tank body. After passing through the plasma exchange resin, the brine successively passes through the second filter element interface 8, the first water outlet chamber 121, the first fixed valve plate water outlet hole 201, and finally enters the valve body central chamber 10 through the drainage conduction blind hole 27 and is discharged from the drainage port 4.

[0044] As Figure 13As shown, the multi-functional softening valve is in the normal flushing state. At this time, the water inlet groove 24 on the moving valve plate 18 communicates with the normal flushing hole 30 of the fixed valve plate up and down. Raw water sequentially passes through the first valve chamber 9, the water inlet groove 24, the normal flushing hole 30 of the fixed valve plate, and the normal flushing chamber 15 from the water inlet 2, enters the softening water tank through the first filter element interface 7, and flushes the residual brine through the second filter element interface 8, the backwashing chamber 13, and the backwashing hole 29 of the fixed valve plate, and finally enters the central chamber 10 of the valve body through the drainage conduction blind hole 27 and is discharged from the drainage port 4.

[0045] As Figure 12 shown, the multi-functional softening valve is in the salt tank water injection state. At this time, the water inlet groove 24 on the moving valve plate 18 overlaps with the second blind plate 22 up and down and communicates with the brine mixing water inlet hole 33. Raw water sequentially passes through the first valve chamber 9, the water inlet groove 24, and the brine mixing water inlet hole 33 from the water inlet 2 and enters the salt suction and water injection chamber 16, and flows into the salt tank from the salt water inlet 5 to replenish water to the salt tank. It should be noted that the regeneration port 6 is communicated with the salt water inlet 5. In the regeneration state, the brine mixing water inlet hole 33 functions as salt suction, and in the salt tank water injection state, the brine mixing water inlet hole 33 functions as water injection.

[0046] In the multi-functional softening valve of the present invention, the area ratio of the fixed valve plate inlet hole on the fixed valve plate is 1 / 6, and the area ratio of the fixed valve plate outlet hole is 1 / 4. The area ratio of the water inlet groove on the moving valve plate is the same as that of the fixed valve plate inlet hole, and the area ratio of the drainage conduction blind hole is the same as that of the fixed valve plate outlet hole. With such a structure, the effective water inlet and outlet area of the multi-functional softening valve can exceed the required area. Under the same installation dimensions of the valve body, the existing multi-functional softening valves on the market have a smaller water inlet area and water outlet area, while the multi-functional softening valve of the present invention has a larger water inlet area and water outlet area, thereby improving the water outlet performance and water outlet efficiency. Similarly, under the same installation conditions, when meeting the same water inlet area and water outlet area, a softening valve with a larger valve body size is required on the market, and even it cannot be manufactured on the market, while the valve body design size of the multi-functional softening valve of the present invention can be smaller, so that less injection molding material is used during production, thereby greatly saving the manufacturing cost.

[0047] In other embodiments, without changing the valve body size and structure, a multi-functional softening valve with a central angle corresponding to the fixed valve plate inlet hole of 60°, a central angle corresponding to the fixed valve plate outlet hole of 90°, and a central angle corresponding to the drainage conduction blind hole of 60° can also be used. At this time, the proportion of the fixed valve plate inlet hole is 1 / 6, the proportion of the fixed valve plate outlet hole is 1 / 4, and the proportion of the drainage conduction blind hole is 1 / 6.

[0048] Of course, in other embodiments, a multi-functional softening valve with a central angle of 60° corresponding to the fixed valve sheet water inlet hole, a central angle of 120° corresponding to the fixed valve sheet water outlet hole, and a central angle of 30° corresponding to the drain conduction blind hole can also be adopted. At this time, the proportion of the fixed valve sheet water inlet hole is 1 / 6, the proportion of the fixed valve sheet water outlet hole is 1 / 3, and the proportion of the drain conduction blind hole is 1 / 12. The valve body structure needs to be adjusted adaptively with the structure of the fixed valve sheet.

[0049] The embodiments of the present invention described above do not constitute a limitation to the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims

1. Multifunctional softening valve, comprising a valve body, a fixed valve plate fixed on the valve body, and a movable valve plate rotatably assembled on the valve body. The fixed valve plate and the movable valve plate are rotationally and sealingly matched. An inlet, an outlet, a drain port, a brine inlet, and a regeneration port are arranged in the radial direction of the valve body. A first filter element interface and a second filter element interface are also arranged on the valve body. Characterized in that: A first valve cavity and a second valve cavity are sequentially arranged in the valve body from inside to outside along the radial direction. The second valve cavity includes a valve body central cavity and an inlet cavity, an outlet cavity, a backwash cavity, a regeneration inlet cavity, a normal wash cavity, and a salt absorption and water injection cavity which are arranged coaxially in sequence along the circumferential direction outside the valve body central cavity and have a sector ring-shaped cross-section. The outlet cavity includes a first outlet cavity and a second outlet cavity separated along the radial direction. The fixed valve plate corresponds to the valve body up and down. The fixed valve plate is provided with a fixed valve plate central hole and a fixed valve plate inlet hole, a fixed valve plate outlet hole, a fixed valve plate backwash hole, a first blind plate, a fixed valve plate normal wash hole, and a second blind plate which are arranged coaxially in sequence along the circumferential direction outside the fixed valve plate central hole and have a sector ring-shaped cross-section. A regeneration inlet hole is opened on the first blind plate, and a brine mixing inlet hole is opened on the second blind plate. The fixed valve plate central hole is coaxially and communicatively connected with the valve body central cavity. The central angle corresponding to the fixed valve plate inlet hole is at least 60°, and the central angle corresponding to the fixed valve plate outlet hole is at least 90°. The fixed valve plate outlet hole includes a fixed valve plate first outlet hole and a fixed valve plate second outlet hole separated from each other along the radial direction. The movable valve plate is coaxially arranged with the fixed valve plate. The movable valve plate is provided with a movable valve plate central blind hole and an inlet through groove, an outlet conduction blind hole, and a drain conduction blind hole which are arranged coaxially in sequence along the circumferential direction outside the movable valve plate central blind hole. The central angle corresponding to the inlet through groove is the same as the central angle corresponding to the fixed valve plate inlet hole, the central angle corresponding to the outlet conduction blind hole is the same as the central angle corresponding to the fixed valve plate outlet hole, and the central angle corresponding to the drain conduction blind hole is at least 30°. The first valve cavity is communicated with the inlet. The valve body central cavity is communicated with the drain port and the fixed valve plate central hole. The fixed valve plate inlet hole and the inlet cavity are communicated with the first filter element interface. The fixed valve plate first outlet hole and the first outlet cavity are communicated with the second filter element interface. The fixed valve plate second outlet hole is communicated with the outlet. The fixed valve plate backwash hole and the backwash cavity are communicated with the second filter element interface. The regeneration inlet hole and the brine mixing inlet hole are used for communicating with the first filter element interface. The fixed valve plate normal wash hole, the normal wash cavity, and the first filter element interface are communicated. The fixed valve plate first outlet hole and the first outlet cavity are vertically corresponding and communicated and coincide. The fixed valve plate second outlet hole and the second outlet cavity are vertically corresponding and communicated and coincide.

2. The multifunctional softening valve according to claim 1, Characterized in that, The central angle corresponding to the fixed valve plate inlet hole is 60°, the central angle corresponding to the fixed valve plate outlet hole is 90°, and the central angle corresponding to the drain conduction blind hole is 30°.

3. The multifunctional softening valve according to claim 2, Characterized in that, The central angle corresponding to the water inlet chamber is the same as the central angle corresponding to the water inlet holes of the fixed valve plate. The cross-sectional area of the first water outlet chamber is the same as the cross-sectional area of the first water outlet holes of the fixed valve plate. The cross-sectional area of the second water outlet chamber is the same as the cross-sectional area of the second water outlet holes of the fixed valve plate. The central angle corresponding to the backwashing chamber is the same as the central angle corresponding to the backwashing holes of the fixed valve plate. The central angle corresponding to the regeneration water inlet chamber is the same as the central angle corresponding to the first blind plate. The central angle corresponding to the flushing chamber is twice the central angle corresponding to the flushing holes of the fixed valve plate. The central angle corresponding to the salt suction and water injection chamber is half of the central angle corresponding to the second blind plate.

4. The multifunctional softening valve according to claim 2 or 3, characterized in that the external shape features of the regeneration water inlet holes and the salt water mixing water inlet holes are the same, and both are arranged at positions close to the edge of the fixed valve plate.

5. The multifunctional softening valve according to claim 1, characterized in that the central angle corresponding to the water inlet holes of the fixed valve plate is 60°, the central angle corresponding to the water outlet holes of the fixed valve plate is 90°, and the central angle corresponding to the drainage conduction blind holes is 60°.

6. The multifunctional softening valve according to claim 1, characterized in that the central angle corresponding to the water inlet holes of the fixed valve plate is 60°, the central angle corresponding to the water outlet holes of the fixed valve plate is 120°, and the central angle corresponding to the drainage conduction blind holes is 30°.

7. The multifunctional softening valve according to any one of claims 1-3, characterized in that the valve body is integrally injection-molded.

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