Water softening valve and water softener

Abstract

The invention relates to the technical field of water treatment, and provides a water softening valve and a water softener. The soft water valve comprises a valve shell, a main valve assembly, an auxiliary valve assembly and a jet device. The valve shell comprises a raw water inlet, a soft water outlet, a main cavity, an auxiliary cavity, a raw water outlet, a soft water inlet and a salt box connector. The raw water outlet and the soft water inlet can be communicated through the softening device, and the auxiliary cavity is communicated with the raw water inlet; the main valve assembly comprises a main valve element. The auxiliary valve assembly comprises an auxiliary valve element. The jet device is provided with a jet flow channel, the jet flow channel comprises a jet flow inlet, a jet flow outlet and a suction inlet which are communicated, and the suction inlet is communicated with the salt box connector; the auxiliary valve element comprises an auxiliary movable valve plate and an auxiliary static valve plate, the auxiliary movable valve plate comprises an auxiliary valve first groove body, an auxiliary valve third groove body and an auxiliary valve water inlet, the auxiliary static valve plate comprises a softening connecting hole, a salt absorption water injection hole and a saline water outlet, the softening connecting hole is communicated with the soft water inlet, the salt absorption water injection hole is communicated with the jet flow inlet, and the saline water outlet is communicated with the jet flow outlet. According to the soft water valve provided by the invention, the structure is simpler due to the cooperation of double cavities and double valves.

Description

Technical Field

[0001] The invention relates to the technical field of water treatment, in particular to a water softener and a water softener. Background Art

[0002] As people's living standards continue to improve, the requirements for daily water use are also getting higher and higher. Residential water contains a large amount of calcium and magnesium ions. Long-term use of water with high hardness is harmful to the body. For example, if clothes are washed with hard water for a long time, the clothes will turn yellow and lack luster. Residential water pipes will be blocked by scale. The scale of some heating equipment will affect the heat exchange efficiency, and the equipment will be damaged over time. Reducing or removing calcium and magnesium ions in water and turning hard water into soft water will have many benefits for people's lives. For example, taking a bath with soft water will not dry the skin, and using soft water for skin care will make the skin smoother. Water heaters will also improve heat exchange efficiency and reduce maintenance costs.

[0003] In the related art, water softening equipment is usually used to remove calcium and magnesium ions in water. The water softening equipment is usually equipped with a water softening valve. The function of the water softening valve is concentrated, the structure is complex, the water path inside the water softening valve is complex, and the structure of the water softening valve needs to be optimized. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the related art. To this end, the present invention proposes a soft water valve, which can realize the switching of water production mode, water injection mode and salt absorption mode through the cooperation of the main chamber and the main valve assembly, and the cooperation of the auxiliary chamber and the auxiliary valve assembly. The soft water inlet and the salt box connection port can be adjusted to the corresponding mode through the auxiliary valve assembly. The structure is simple.

[0005] The invention also provides a water softener.

[0006] A soft water valve according to an embodiment of the first aspect of the present invention comprises:

[0007] A valve housing, comprising a raw water inlet, a soft water outlet, a main chamber, a secondary chamber, a raw water outlet, a soft water inlet and a salt box connection port; the raw water outlet and the soft water inlet can be connected via a softening device, the secondary chamber and the raw water inlet are connected, and the soft water outlet is connected to the soft water inlet;

[0008] A main valve assembly, comprising a main valve core and a main driving part for driving the main valve core to move, wherein the main valve core is located in the main cavity;

[0009] The auxiliary valve assembly comprises an auxiliary valve core and an auxiliary driving part for driving the auxiliary valve core to move, wherein the auxiliary valve core is located in the auxiliary cavity;

[0010] An ejector connected to the valve housing, the ejector being provided with a jet channel, the jet channel comprising a jet inlet, a jet outlet and a suction port which are connected to each other, the suction port being connected to the salt box connection port, and the jet channel and the soft water inlet being adjustable through the auxiliary valve core;

[0011] The auxiliary valve core includes an auxiliary movable valve plate and an auxiliary static valve plate, the auxiliary driving part is connected to the auxiliary movable valve plate and is used to drive the auxiliary movable valve plate to move relative to the auxiliary static valve plate, the auxiliary static valve plate is fixed to the valve housing, the auxiliary movable valve plate includes an auxiliary valve first slot body, an auxiliary valve third slot body and an auxiliary valve water inlet, the auxiliary static valve plate includes a softening connection hole, a salt water injection hole and a salt water outlet, the softening connection hole is connected to the soft water inlet, the salt water injection hole is connected to the jet inlet, and the salt water outlet is connected to the jet outlet;

[0012] The soft water valve includes a water production mode, a water injection mode and a salt absorption mode;

[0013] In the water injection mode, the salt absorption water injection hole is connected to the softening connection hole or the auxiliary cavity through the auxiliary valve plate;

[0014] In the salt absorption mode, the third slot of the auxiliary valve is connected to the softening connection hole and the brine outlet, and the water inlet of the auxiliary valve is connected to the salt absorption water injection hole, so that the auxiliary cavity, the water inlet of the auxiliary valve, the salt absorption water injection hole, the jet inlet, the jet outlet, the brine outlet, the third slot of the auxiliary valve, the softening connection hole, and the soft water inlet are connected.

[0015] According to an embodiment of the present invention, the soft water valve comprises a valve housing, a main valve assembly, a sub-valve assembly and an ejector. The valve housing is provided with a main cavity and a sub-cavity. The sub-cavity is connected with the raw water inlet of the valve housing so that the sub-cavity can be fed with raw water, and the raw water can be fed into the ejector through the sub-cavity. In the salt absorption mode, the raw water in the ejector can draw the salt solution in the salt tank so that the raw water and the salt solution are mixed in the ejection channel, and then the mixed solution is sent to the softening device through the sub-valve core, and the mixed solution is injected into the softening device through the soft water inlet; in the water injection mode, the soft water can be fed into the salt tank connection port from the soft water inlet through the regulation of the sub-valve plate, or the raw water can be fed into the salt tank connection port from the sub-cavity. The water injection mode has various water injection modes and can be selected according to needs. The structure of the sub-valve core is ingenious, and the solution transportation in the salt absorption mode and the water injection mode can be realized.

[0016] According to one embodiment of the present invention, in the water injection mode, the first slot body of the auxiliary valve is connected to the softening connection hole and the salt absorption water injection hole, so that the soft water inlet, the softening connection hole, the first slot body of the auxiliary valve, the salt absorption water injection hole, the jet inlet, the suction port and the salt box connection port are connected.

[0017] According to an embodiment of the present invention, the auxiliary valve first groove body extends along the circumference of the auxiliary moving valve plate by a preset length, and the softening connection holes and the salt absorption and water injection holes are distributed at intervals in the circumference of the auxiliary static valve plate;

[0018] The auxiliary valve third groove body extends a preset length along the radial direction of the auxiliary movable valve plate, and the auxiliary movable valve plate can be rotated to one of the softening connection hole and the salt absorption and water injection hole to communicate with the salt water outlet through the auxiliary valve third groove body.

[0019] According to one embodiment of the present invention, the brine outlet is in communication with the third tank body of the auxiliary valve.

[0020] According to one embodiment of the present invention, the softening water valve includes a backwash mode, and in the backwash mode, the water inlet of the auxiliary valve is connected to the softening connection hole.

[0021] According to one embodiment of the present invention, the valve housing is provided with a drain port, and the auxiliary static valve plate is also provided with an auxiliary valve drain hole, the auxiliary valve drain hole is connected to the drain port, and the auxiliary valve first slot body and the auxiliary valve third slot body can be adjusted to be on and off with the auxiliary valve drain hole.

[0022] According to an embodiment of the present invention, the soft water valve includes a positive wash mode. In the positive wash mode, the sewage discharge hole of the auxiliary valve is connected to the softening connection hole through the first groove body of the auxiliary valve.

[0023] According to an embodiment of the present invention, in the water production mode, the auxiliary valve plate closes the softening connection hole.

[0024] According to one embodiment of the present invention, the auxiliary movable valve plate is provided with an auxiliary valve second slot body, and the auxiliary movable valve plate can be switched between a plurality of auxiliary valve positions relative to the auxiliary static valve plate. In the auxiliary valve position, the orthographic projection of the softening connection hole on the auxiliary movable valve plate is located in one of the auxiliary valve first slot body, the auxiliary valve second slot body, the auxiliary valve third slot body, and the auxiliary valve water inlet, the orthographic projection of the auxiliary movable valve plate is located in one of the auxiliary valve first slot body, the auxiliary valve second slot body, the auxiliary valve third slot body, and the auxiliary valve water inlet, and the orthographic projection of the brine outlet on the auxiliary movable valve plate is located in one of the auxiliary valve first slot body, the auxiliary valve second slot body, and the auxiliary valve third slot body.

[0025] According to one embodiment of the present invention, based on the valve housing being provided with a drain port, the auxiliary static valve plate is also provided with an auxiliary valve drain hole. At the auxiliary valve position, the auxiliary valve drain hole has an orthographic projection of the auxiliary static valve plate located within one of the auxiliary valve first slot body, the auxiliary valve second slot body and the auxiliary valve third slot body.

[0026] According to one embodiment of the present invention, the main valve core includes a main static valve plate and an active valve plate, the main static valve plate is fixed to the valve housing, and the main drive unit is connected to the active valve plate and is used to drive the active valve plate to rotate relative to the main static valve plate.

[0027] According to one embodiment of the present invention, the main static valve plate is constructed with a water through hole and a main valve drain hole, the water through hole is connected to the raw water outlet, the main valve drain hole is connected to the drain port of the valve housing, the active valve plate is constructed with a main valve water inlet and a main valve first slot body, the main valve water inlet is connected to the main cavity, the main cavity is connected to the raw water inlet, the main valve water inlet and the water through hole can be connected and disconnected, and the main valve first slot body can connect and disconnect the water through hole and the main valve drain hole.

[0028] According to one embodiment of the present invention, in the water production mode and the water injection mode, the water hole is connected to the water inlet of the main valve, and the water hole is disconnected from the sewage discharge hole of the main valve;

[0029] In the salt absorption mode, the first slot of the main valve is connected to the water through hole and the sewage discharge hole of the main valve, and the water through hole is disconnected from the water inlet of the main valve.

[0030] According to one embodiment of the present invention, based on the main valve water inlet being disconnected from the water through hole, at least one of the water through hole and the main valve sewage discharge hole being disconnected from the first groove body of the main valve, the auxiliary driving part can drive the auxiliary moving valve plate to rotate relative to the auxiliary static valve plate.

[0031] According to one embodiment of the present invention, the active valve plate is provided with a second groove body of the main valve, and the water hole is closed by the second groove body of the main valve to disconnect the water hole from the water inlet hole of the main valve and the water hole from the sewage discharge hole of the main valve.

[0032] According to an embodiment of the present invention, the valve housing is provided with a communication channel, the communication channel connects the main chamber with the sub-chamber, and the sub-chamber is connected with the raw water inlet through the main chamber.

[0033] A water softener according to an embodiment of the second aspect of the present invention comprises a softening device and a softening valve as described above, wherein the softening device connects the raw water outlet and the soft water inlet.

[0034] The water softener according to the embodiment of the present invention has a simple structure and is convenient for users to take water.

[0035] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 It is a three-dimensional structural schematic diagram of a soft water valve provided by a first embodiment of the present invention;

[0038] Figure 2 It is a bottom view structural schematic diagram of a soft water valve provided by a first embodiment of the present invention;

[0039] Figure 3 It is a schematic diagram of the three-dimensional structure of the soft water valve provided by the first embodiment of the present invention from a bottom perspective;

[0040] Figure 4 1 is a schematic diagram of the three-dimensional structure of a soft water valve provided by a first embodiment of the present invention from a side rear perspective, wherein the valve housing in the figure is not equipped with a main valve assembly and a secondary valve assembly;

[0041] Figure 5 is a structural schematic diagram of a main valve assembly provided by an embodiment of the present invention;

[0042] Figure 6 is a structural schematic diagram of a secondary valve assembly provided by an embodiment of the present invention;

[0043] Figure 7 is a schematic diagram of the three-dimensional structure of the main valve core provided in an embodiment of the present invention;

[0044] Figure 8 is a schematic diagram of the three-dimensional structure of the auxiliary valve core provided in an embodiment of the present invention;

[0045] Fig. 9 is a schematic diagram of the structure of the main static valve plate provided by an embodiment of the present invention, in which the main static valve plate is shown facing the side of the active valve plate;

[0046] Fig.10 is a schematic diagram of the structure of the active valve plate provided in an embodiment of the present invention, in which the active valve plate is shown facing the side of the main static valve plate;

[0047] Fig.11 is a schematic diagram of the structure of the auxiliary static valve plate provided in an embodiment of the present invention, in which the auxiliary static valve plate is shown facing the side of the auxiliary dynamic valve plate;

[0048] Fig.12 is a schematic diagram of the structure of the auxiliary movable valve plate provided in an embodiment of the present invention, in which the auxiliary movable valve plate is shown facing the side of the auxiliary static valve plate;

[0049] Fig.13 is a schematic diagram of a water path of a water softener provided by an embodiment of the present invention;

[0050] Fig.14 is a schematic diagram of the water path of the water softener in the water production mode provided by an embodiment of the present invention;

[0051] Fig.15 It is a structural schematic diagram of the main valve core provided by an embodiment of the present invention in a water production mode, and the main valve core is in a first main valve position;

[0052] Fig.16 is a structural schematic diagram of the auxiliary valve core provided by an embodiment of the present invention in a water production mode, wherein the auxiliary valve core is in a first auxiliary valve position;

[0053] Fig.17 is a schematic diagram of the water path of a water softener in a water injection mode provided by an embodiment of the present invention;

[0054] Fig.18 is a structural schematic diagram of a main valve core in a water injection mode provided by an embodiment of the present invention, wherein the main valve core is in a first main valve position;

[0055] Fig.19 is a schematic structural diagram of the auxiliary valve core provided by an embodiment of the present invention in a water injection mode, wherein the auxiliary valve core is in a fourth auxiliary valve position;

[0056] Fig. 20 is a schematic diagram of the water path of a water softener in a salt absorption mode provided by an embodiment of the present invention;

[0057] Fig.21 is a structural schematic diagram of the main valve core provided by an embodiment of the present invention in a salt absorption mode, wherein the main valve core is in a third main valve position;

[0058] Fig. 22 is a structural schematic diagram of the auxiliary valve core provided by an embodiment of the present invention in a salt absorption mode, wherein the auxiliary valve core is in a second auxiliary valve position;

[0059] Fig.23 is a schematic diagram of the water path of a water softener in a backwash mode provided by an embodiment of the present invention;

[0060] Fig.24 is a structural schematic diagram of a main valve core in a backwash mode provided by an embodiment of the present invention, wherein the main valve core is in a third main valve position;

[0061] Fig.25 is a schematic structural diagram of an auxiliary valve core in a backwash mode provided by an embodiment of the present invention, wherein the auxiliary valve core is in a fifth auxiliary valve position;

[0062] Fig.26 is a schematic diagram of the water path of a water softener in a forward wash mode provided by an embodiment of the present invention;

[0063] Fig. 27is a structural schematic diagram of a main valve core in a forward flushing mode provided by an embodiment of the present invention, wherein the main valve core is in a first main valve position;

[0064] Fig.28 It is a structural schematic diagram of the auxiliary valve core provided by an embodiment of the present invention in the forward washing mode, and the auxiliary valve core is in the third auxiliary valve position;

[0065] Fig.29 It is a structural schematic diagram of the adjustable water hardness of the water softener provided by an embodiment of the present invention;

[0066] Fig.30 is a schematic structural diagram of a soft water valve provided by an embodiment of the present invention, wherein a bypass drive of a bypass valve of the soft water valve is not shown;

[0067] Fig.31 is a schematic diagram of the structure of a soft water valve provided by an embodiment of the present invention, and Fig.30 The difference is that the position of the bypass moving valve plate is different, and the opening between the raw water channel and the soft water channel changes;

[0068] Fig.32 is a schematic structural diagram of a bypass valve provided in an embodiment of the present invention;

[0069] Fig.33 is a schematic diagram of a structure for taking tap water through a water softener provided by an embodiment of the present invention;

[0070] Fig.34 : is a schematic diagram of the structure of the cover body provided by an embodiment of the present invention; the figure shows a schematic diagram of the positions of the main valve assembly and the auxiliary valve assembly of the soft water valve, the main valve core is located at the first main valve position, and the auxiliary valve core is located at the first auxiliary valve position, wherein the numbers 1 to 5 on the left side correspond to the first auxiliary valve position to the fifth auxiliary valve position of the auxiliary valve core, and the numbers 1 to 3 on the right side correspond to the first main valve position to the third main valve position of the main valve core;

[0071] Fig.35 1 is a schematic diagram of the three-dimensional structure of a soft water valve provided by an embodiment of the present invention, in which the ejector is in a disassembled state, and the main valve motor and the auxiliary valve motor are not shown;

[0072] Fig.36 is a schematic diagram of the three-dimensional structure of an ejector provided in an embodiment of the present invention;

[0073] Fig.37 1 is a partial cross-sectional structural schematic diagram of an ejector provided in an embodiment of the present invention in an installed state in a valve housing, wherein the dotted lines with arrows in the figure indicate the flow paths of raw water and salt solution in the salt absorption mode;

[0074] Fig.381 is a partial cross-sectional structural schematic diagram of an ejector provided by an embodiment of the present invention in a state of being installed in a valve housing, wherein the dotted line with an arrow in the figure indicates the flow path of raw water in a water injection mode;

[0075] Fig.39 is a schematic diagram of the structure of a soft water valve provided by a second embodiment of the present invention, and Figure 1 The difference between the soft water valves shown is that the valve housing structures corresponding to the sewage channel and the communication channel are different, the positions of the sewage connectors are different, and the fixing methods of the end covers are different;

[0076] Fig.40 is a schematic structural diagram of an end cover of a soft water valve provided by a second embodiment of the present invention in a disassembled state;

[0077] Fig.41 is a schematic structural diagram of a valve housing provided by an embodiment of the present invention;

[0078] Fig.42 is a schematic diagram of the structure of another auxiliary valve plate provided by an embodiment of the present invention, Fig.12 The difference is that Fig.42 The two auxiliary valve water inlets are connected. Fig.12 The two auxiliary valve water inlets are independent of each other;

[0079] Fig.43 is a structural schematic diagram of a main valve core provided by an embodiment of the present invention in a second main valve position;

[0080] Fig.44 is a schematic diagram of the structure of a water softener provided by an embodiment of the present invention, wherein the dotted arrows in the figure indicate the water path in the softening device;

[0081] In the above waterway diagram, the dotted arrows indicate the flow path of water;

[0082] Fig.15 , Fig.18 , Fig.21 , Fig.24 , Fig. 27 , Fig.43 The active valve plate is shown above the main static valve plate, and the view from the active valve plate to the main static valve plate is shown; Fig.16 , Fig.19 , Fig. 22 , Fig.25 , Fig.28 It illustrates that the auxiliary movable valve plate is above the auxiliary static valve plate, and the perspective from the auxiliary movable valve plate to the auxiliary static valve plate. The hole structure with filled lines in the aforementioned drawings indicates the holes of the static valve plate covered by the passive valve plate to make the drawings clearer.

[0083] Reference numerals:

[0084] 110, valve housing; 111, main chamber; 112, auxiliary chamber; 113, raw water inlet; 114, soft water outlet; 115, sewage outlet; 116, main chamber inlet; 117, installation channel; 118, raw water outlet; 119, soft water inlet; 1110, salt box connection port; 1111, communication channel; 1112, communication groove; 1113, cover; 1114, process connection port; 1115, sewage outlet; 1116 , sewage trough; 1117, sewage process port; 1118, filtering channel; 1119, salt absorption water injection port; 1120, salt water port; 1121, softening connection port; 1124, second sewage opening; 1125, first sewage opening; 1126, water inlet; 1130, cover body; 1131, cover body; 1132, bypass groove; 1133, cover member; 1134, first communication port; 1135, second communication port;

[0085] 1140, first shell; 1141, second shell; 1142, third shell; 1143, softened connection;

[0086] 120, main valve assembly; 121, active valve disc; 1211, main valve water inlet; 1212, main valve first trough; 1213, main valve second trough; 1214, shielding part; 122, main static valve disc; 1221, water hole; 1222, main valve drain hole; 1223, guide groove; 123, main valve motor; 124, water flow channel; 125, first drain flow channel; 126, main shaft assembly; 1261, main sleeve; 127, main valve seal;

[0087] 130, auxiliary valve assembly; 131, auxiliary moving valve plate; 1311, auxiliary valve first slot; 1312, auxiliary valve second slot; 1313, auxiliary valve third slot; 1314, auxiliary valve water inlet; 132, auxiliary static valve plate; 1321, auxiliary valve drain hole; 1322, softening connection hole; 1323, brine outlet; 1324, salt absorption water injection hole; 133, auxiliary valve motor; 134, water injection channel; 135, first salt absorption channel; 136, second salt absorption channel; 137, backwash channel; 138, second drain channel; 139, auxiliary shaft assembly; 1391, auxiliary sleeve; 1392, auxiliary valve seal;

[0088] 140, bypass valve; 141, bypass movable valve plate; 1411, first fan-shaped portion; 1412, second fan-shaped portion; 142, bypass static valve plate; 1421, first bypass opening; 1422, second bypass opening; 143, bypass motor; 144, bypass sealing ring;

[0089] 150. Flow meter;

[0090] 160, ejector; 161, jet inlet; 162, jet outlet; 163, suction port; 164, first flow channel; 165, second flow channel; 166, jet flow limiting element; 170, end cover; 180, filter element;

[0091] 190. Softening device; 200. Salt box. DETAILED DESCRIPTION

[0092] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0093] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "multiple", "multiple roots", and "multiple groups" mean two or more.

[0094] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0095] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0096] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0097] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "multiple", "multiple roots", and "multiple groups" mean two or more.

[0098] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0099] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0100] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0101] Embodiments of the present invention, referring to Figures 1 to 44 As shown, a soft water valve applied to a water softener is provided, and the soft water valve is used to adjust the flow path change of the water softener to realize the switching of multiple functional modes through the soft water valve.

[0102] refer to Figures 1 to 4 and Fig.44 As shown, an embodiment of the present invention provides a soft water valve, including a valve housing 110, a main valve assembly 120 and a sub-valve assembly 130. The valve housing 110 includes a main chamber 111 and a sub-chamber 112. By adjusting the on-off of the flow channel corresponding to the main valve assembly 120, adjusting the on-off of the flow channel corresponding to the sub-valve assembly 130, and coordinating the main chamber 111 and the sub-chamber 112, switching of multiple functional modes can be achieved.

[0103] Among them, the switchable functional modes of the soft water valve include: water production mode, water injection mode, salt absorption mode and cleaning mode. In the water production mode, raw water can be sent to the softening device 190 through the soft water valve, and the soft water softened by the softening device 190 is sent back to the soft water valve, and the user can get soft water from the soft water outlet 114 of the soft water valve; in the water injection mode, water can be injected into the salt box 200 through the salt box connection port 1110 through the soft water valve, and the water injected into the salt box connection port 1110 can be raw water or soft water, so that the water dissolves the salt in the salt box; after the water is injected into the salt box 200, the salt in the salt box 200 can be dissolved for a period of time, and this process can be called the salt melting mode; In the salt absorption mode, the salt water in the salt box 200 is sent to the softening device 190 through the soft water valve, and the water used to clean the softening device 190 is discharged through the soft water valve; in the cleaning mode, the raw water is passed into the softening device 190 through the soft water valve, and the water used to clean the softening device 190 is discharged through the soft water valve; the cleaning mode includes at least one of the backwash mode and the forward wash mode. The backwash mode can be understood as that the raw water is passed into the softening device 190 through the soft water inlet 119 and then discharged to the soft water valve through the raw water outlet 118; the forward wash mode can be understood as that the raw water is passed into the softening device 190 through the raw water outlet 118 and then discharged to the soft water valve through the soft water inlet 119.

[0104] It should be noted that raw water can be understood as water introduced into the raw water inlet 113 of the softening valve, such as tap water, and the hardness of raw water is greater than the hardness of soft water. The softening device 190 includes a resin tank, and the resin in the resin tank softens the raw water to obtain soft water. Of course, the softening device 190 can also be other structures that can be used to soften raw water.

[0105] refer to Fig.13 As shown, the valve housing 110 includes a raw water inlet 113, a soft water outlet 114, a main chamber 111, a sub-chamber 112, a raw water outlet 118 and a soft water inlet 119. The raw water inlet 113 is used to be connected to a raw water pipeline so that raw water enters the valve housing 110 of the soft water valve, and at least one of the main chamber 111 and the sub-chamber 112 can be communicated with the raw water inlet 113, that is, the raw water can flow into at least one of the main chamber 111 and the sub-chamber 112, and then the flow direction of the raw water is regulated through the corresponding valve assembly. The raw water outlet 118 and the raw water inlet 113 can be regulated to be on and off by the main valve assembly 120. When the main valve assembly 120 connects the raw water inlet 113 and the raw water outlet 118, the raw water can be transported to the softening device 190 through the raw water outlet 118. Since the raw water outlet 118 and the soft water inlet 119 can be connected through the softening device 190, after the raw water is softened in the softening device 190, the soft water in the softening device 190 can be transported to the soft water valve through the soft water inlet 119. The soft water inlet 119 is connected to the soft water outlet 114 to send the soft water out through the soft water valve. Of course, the soft water inlet 119 can also be regulated to be on and off with the flow channel inside the auxiliary valve assembly 130 to adjust the flow direction of the soft water.

[0106] A raw water channel may be provided between the raw water inlet 113 and the main chamber 111, and a main chamber inlet 116 may be provided between the raw water channel and the main chamber 111, so that the raw water in the raw water channel enters the main chamber 111 through the main chamber inlet 116. A soft water channel may be provided between the soft water outlet 114 and the soft water inlet 119, so that the soft water is transported to the soft water outlet 114 through the softening channel, which facilitates the installation of the soft water valve and other pipelines and components.

[0107] The main valve assembly 120 includes a main valve core and a main driving part for driving the main valve core to move, and the main valve core is located in the main chamber 111; the main valve assembly 120 is used to adjust the connection and disconnection between the main chamber 111 and the raw water outlet 118, that is, to adjust the connection and disconnection between the main chamber 111 and the softening device 190. When the main valve assembly 120 connects the main chamber 111 with the raw water outlet 118, it can be used to deliver water to the softening device 190; the auxiliary valve assembly 130 includes an auxiliary valve core and an auxiliary driving part for driving the auxiliary valve core to move, and the auxiliary valve core is located in the auxiliary chamber 112, and the auxiliary valve core is adjusted. The opening and closing of the flow channel of the valve core can adjust the opening and closing of the soft water inlet 119 and the corresponding channel in the auxiliary valve core, and can also adjust the opening and closing of the auxiliary chamber 112 and the corresponding channel, such as the auxiliary valve core regulating the opening and closing of the auxiliary chamber 112 and the salt box connection port 1110, the opening and closing of the soft water inlet 119 and the ejector, and the opening and closing of the auxiliary chamber 112 and the salt box connection port 1110, etc. The auxiliary chamber 112 and the auxiliary valve assembly 130 are mainly used to achieve the regeneration of the softening material in the softening device 190 (the regeneration process includes: water injection mode, salt absorption mode and cleaning mode). Therefore, the main driving part can drive the main valve core to move, and the auxiliary driving part can drive the auxiliary valve core to move, so that the soft water valve can switch between the water production mode, water injection mode, salt absorption mode and cleaning mode.

[0108] The main chamber 111 cooperates with the main valve assembly 120 to mainly deliver water to the softening device 190. The main function of the main chamber 111 and the main valve assembly 120 is mainly used for normal water production. Since the normal water production flow is relatively large, the large opening structure of the main chamber 111 and the main valve core is used to produce water. At this time, the sub-chamber 112 and the various flow channels of the sub-valve core do not participate in the work. Since the water softener has other state functions, such as forward washing, backwashing, water injection, salt absorption slow washing, etc., these states have relatively small flow requirements, so the opening area in the sub-valve core is relatively small, so these states are mainly controlled by the sub-chamber 112 and the sub-valve assembly 130. The sub-chamber 112 and the sub-valve assembly 130 are mainly used for the regulation of other flow paths. The main chamber 111 cooperates with the main valve assembly 120 to increase the flow rate of water delivered to the softening device 190, and the sub-chamber 112 cooperates with the main chamber 111 to perform other functions.

[0109] The main function of the main chamber 111 and the main valve assembly 120 is to make water normally. Since the raw water flow rate demand in the water making mode is relatively large, the main valve core forms a water making channel 124, which connects the main chamber 111 with the raw water outlet 118, and uses the large opening structure of the main valve core to make water. At this time, the channels formed by the sub-chamber 112 and the sub-valve assembly 130 do not participate in the work. Since the water softener has other functions in other states, such as cleaning, water injection, salt absorption and slow washing, etc., these states have relatively small demands on the raw water flow rate, so the sub-valve core can form multiple channels, and the flow area required for the channels formed by the sub-valve core is relatively small. These states are mainly controlled by the sub-chamber 112 and the sub-valve assembly 130. At the same time, the main chamber 111 and the main valve assembly 120 cooperate with these regeneration processes to discharge sewage. In some cases, the main cavity 111 and the secondary cavity 112 have the same shape, the outer contours of the main valve assembly 120 and the secondary valve assembly 130 have the same size, and the flow area of ​​the flow channel formed by the secondary cavity 112 and the secondary valve assembly 130 is smaller than the flow area of ​​the water-making flow channel 124 formed by the main cavity 111 and the main valve assembly 120.

[0110] As mentioned above, at least one of the main chamber 111 and the secondary chamber 112 can be communicated with the raw water inlet 113. It can be understood that raw water is introduced into at least one of the main chamber 111 and the secondary chamber 112, and the raw water is sent into the softening device 190 through at least one of the main chamber 111 and the secondary chamber 112, wherein at least one of the main chamber 111 and the secondary chamber 112 can be communicated with the raw water inlet 113 through a channel, that is, a raw water channel can be provided between the main chamber 111 and the raw water inlet 113, and / or a channel can also be provided between the secondary chamber 112 and the raw water inlet 113; of course, when both the main chamber 111 and the secondary chamber 112 are communicated with the raw water inlet 113, the main chamber 111 and the secondary chamber 112 can be communicated with the raw water inlet 113 through an independent channel, or one of the main chamber 111 and the secondary chamber 112 can be communicated with the raw water inlet 113 through a channel, and the main chamber 111 and the secondary chamber 112 are connected through a connecting channel 1111 (refer to Fig.40 shown) connected.

[0111] The water softener valve of the embodiment of the present invention has a multifunctional two-chamber structure design, which can meet the use requirements of the water softener in different states. Through the water path switching of the main valve assembly 120 and the auxiliary valve assembly 130, the water path adjustment of the water softener in different states, that is, the water making mode, the cleaning mode (including at least one of forward cleaning and backwashing), the water injection mode, the salt absorption slow cleaning mode (hereinafter referred to as the salt absorption mode) and other water path function requirements of multiple states are realized. The entire valve head structure is compact and simple, the reliability is high, and the operation is stable.

[0112] The valve housing 110 of the soft water valve is also provided with a sewage outlet 115 and a salt box connection port 1110. The sewage outlet 115 is used to discharge sewage. The sewage outlet 115 can be connected to the flow channel of at least one of the main valve assembly 120 and the auxiliary valve assembly 130 to achieve sewage discharge in different flow paths; the salt box connection port 1110 is used to connect with the salt box 200. The salt box connection port 1110 can inject water into the salt box 200. The salt box connection port 1110 can also extract salt water from the salt box 200 and send it to the soft water valve. The salt box connection port 1110 can have at least one function of water injection and salt absorption. One of the main valve assembly 120 and the auxiliary valve assembly 130 can be used to open and close the salt box connection port 1110 to open and close the soft water valve and the salt box 200.

[0113] In some cases, reference Figure 5 and Figure 6 As shown, at least one of the main valve assembly 120 and the auxiliary valve assembly 130 is a multi-position multi-way valve, and both the main valve assembly 120 and the auxiliary valve assembly 130 can be switched in multiple positions, and after switching, on-off regulation of multiple flow paths can be achieved.

[0114] For example, the main valve assembly 120 can be switched between two main valve positions. In one main valve position, the main valve assembly 120 connects the main chamber 111 with the raw water outlet 118 for passing water to the softening device 190. In another main valve position, the main valve assembly 120 connects the raw water outlet 118 with the sewage outlet 115 to discharge sewage. The auxiliary valve assembly 130 can be switched between multiple auxiliary valve positions (such as three, four, five, etc.), and one auxiliary valve position corresponds to a mode of a soft water valve. The main valve assembly 120 can also be switched between three main valve positions (not shown in the figure). In one main valve position, the main valve assembly connects the main chamber with the raw water outlet for passing water. In the other two main valve positions, the main valve assembly can realize the switching between the water injection mode and the salt absorption mode. The auxiliary valve assembly can also be switched between three auxiliary valve positions (not shown in the figure). The auxiliary valve position is mainly used for cleaning and coordinating the water injection and salt absorption modes. The structures of the main valve assembly and the auxiliary valve assembly are diverse, and the functions and structures of the main valve assembly and the auxiliary valve assembly can be set according to needs.

[0115] In some cases, reference Figure 5 and Figure 6 As shown, the main driving part of the main valve assembly 120 is used to drive the main valve core to rotate, and the main valve core switches between multiple main valve positions by rotating. And / or, the secondary driving part of the secondary valve assembly 130 is used to drive the secondary valve core to rotate, and the secondary valve core switches between multiple secondary valve positions by rotating.

[0116] refer to Figure 7As shown, when the main valve assembly 120 is a disc valve, the main valve core includes a main static valve plate 122 and an active valve plate 121, the main static valve plate 122 is fixed in the main chamber 111, and the main driving part is connected to the active valve plate 121, and the main driving part is used to drive the active valve plate 121 to rotate relative to the main static valve plate 122, so as to adjust the flow channel corresponding to the main valve assembly 120. And / or, refer to Figure 8 As shown, when the auxiliary valve assembly 130 is a disc valve, the auxiliary valve core includes an auxiliary static valve plate 132 and an auxiliary movable valve plate 131, the auxiliary static valve plate 132 is fixed in the auxiliary cavity 112, and the auxiliary driving part is connected to the auxiliary movable valve plate 131, and the auxiliary driving part is used to drive the auxiliary movable valve plate 131 to rotate relative to the auxiliary static valve plate 132, so as to adjust the flow channel corresponding to the auxiliary valve assembly 130.

[0117] Among them, reference Figures 5 to 8 As shown, at least one of the main valve assembly 120 and the auxiliary valve assembly 130 is a disc valve. The disc valve has a simple structure. The valve discs of the main valve core and the auxiliary valve core can both be made of ceramics. When the valve disc of the disc valve is a ceramic, the life and reliability of the disc valve are high due to the good wear resistance of the ceramic. Compared with the plunger valve, which has a high structural processing precision, the disc valve has a lower manufacturing cost, which is an important direction for the development of soft water valves.

[0118] Of course, in some cases, the main valve assembly 120 and the auxiliary valve assembly 130 can also switch the flow channel through other methods, such as one of the main valve assembly and the auxiliary valve assembly can achieve flow channel switching by moving, and one of the main valve assembly and the auxiliary valve assembly can be a plunger valve.

[0119] Below, reference Figures 1 to 29 As shown, when the soft water valve includes a valve housing 110, a main valve assembly 120 and a sub-valve assembly 130, the main valve assembly 120 cooperates with the sub-valve assembly 130 to achieve switching of multiple modes, which is described below.

[0120] About water production mode:

[0121] refer to Figures 2 to 4 , Figures 14 to 16 As shown, it can be understood that in the water production mode, the water production channel 124 of the main valve core is connected, the water production channel 124 connects the main chamber 111 and the raw water outlet 118, the main chamber 111 connects the raw water inlet 113, and the soft water inlet 119 connects the soft water outlet 114, so that water flows along the path of the raw water inlet 113, the main chamber 111, the water production channel 124, the raw water outlet 118, the soft water inlet 119 and the soft water outlet 114. The main chamber 111 and the main valve assembly 120 are mainly used to deliver water to the softening device 190 in the water production mode, which helps to increase the flow rate of the soft water valve to the softening device 190, thereby increasing the flow rate of soft water produced by the softening device 190, so as to facilitate the user to take soft water.

[0122] In the water production mode, the main chamber 111 cooperates with the main valve assembly 120 to supply water to the softening device 190. The soft water softened by the softening device 190 can be discharged through the soft water inlet 119 and the soft water outlet 114. During this process, the sub-chamber 112 and the sub-valve assembly 130 do not participate in the water transportation in the water production mode. The sub-valve assembly 130 can block the sub-chamber 112 and the soft water inlet 119 to prevent the water in the soft water inlet 119 from entering the sub-chamber 112, thereby ensuring that the soft water is discharged from the soft water outlet 114, making it convenient for users to take water.

[0123] The main driving part is used to drive the main valve core to move, so that the main valve core switches to communicate with the water-making channel 124. It can be understood that the water-making channel 124 can be connected in some modes and disconnected in some modes.

[0124] Understandably, reference Fig.15 As shown, the main valve core includes a main static valve disc 122 and an active valve disc 121, the active valve disc 121 is connected to the main driving part, the main static valve disc 122 is fixed to the valve housing 110, the main static valve disc 122 is fixed in the main cavity 111, the main static valve disc 122 is configured with a water hole 1221, the active valve disc 121 is configured with a main valve water inlet 1211, the main valve water inlet 1211 is connected to the main cavity 111, and the water hole 1221 is connected to the main valve water inlet 1211 to form a water control channel 124. The main driving part drives the active valve disc 121 to adjust its position relative to the main static valve disc 122, so as to realize the on-off adjustment between the main cavity 111 and the raw water outlet 118, and the structure is simple and the adjustment is easy.

[0125] Corresponding to the water passage hole 1221 of the main static valve plate 122 , the valve housing 110 is provided with a water inlet hole 1126 for connecting the main cavity 111 with the raw water outlet 118 , and the water inlet hole 1126 is correspondingly connected to the water passage hole 1221 . By moving the active valve plate 121, the water hole 1221 can be closed to disconnect the water hole 1221 from the main valve water inlet 1211, and the raw water at the raw water inlet 113 cannot be transported to the softening device 190 through the main cavity 111 and the main valve assembly 120; by moving the active valve plate 121, the water hole 1221 can be opened to connect the water hole 1221 with the main valve water inlet 1211, and the main valve water inlet 1211 is connected with the raw water inlet 113 through the main cavity 111, so that the raw water is transported to the softening device 190 through the main cavity 111, the main valve water inlet 1211, the water hole 1221, the water inlet 1126 and the raw water outlet 118.

[0126] When the main driving part is used to drive the active valve plate 121 to rotate, the active valve plate 121 can rotate until the main valve water inlet 1211 is connected or disconnected with the water hole 1221. The water hole 1221 and the water inlet 1126 can be fan-shaped holes, and the main valve water inlet 1211 can be formed by the fan-shaped gap of the active valve plate 121 to ensure the flow area of ​​the raw water. Among them, the main valve water inlet 1211 can correspond to the main cavity inlet 116, that is, the water in the raw water channel enters the main cavity 111 and the water flow channel 124 through the main cavity inlet 116, reducing the flow resistance of the raw water in the main cavity 111 and the main valve assembly 120.

[0127] In some cases, reference Figure 5 As shown, the main driving part includes a main valve motor 123 and a main shaft assembly 126. One end of the main shaft assembly 126 is connected to the main valve motor 123, and the other end is connected to the active valve plate 121. The active valve plate 121 includes a valve plate body and a shielding portion 1214. In the water making mode, the shielding portion 1214 is located between the main shaft assembly 126 and the water hole 1221. A main valve water inlet 1211 is formed between the shielding portion 1214 and the main static valve plate 122. The orthographic projection area of ​​the shielding portion 1214 on the main static valve plate 122 is smaller than the flow area of ​​the water hole 1221. The shielding portion 1214 does not affect the water flow effect of the water hole 1221. The projection area of ​​the orthographic projection of the valve plate body and the shielding portion 1214 on the end face of the main shaft assembly 126 covers the end face area of ​​the main shaft assembly 126. The setting of the shielding portion 1214 can weaken the impact of water on the main shaft assembly 126. The first side of the shielding portion 1214 transitions to the valve plate body through an arc surface. The first side is the side facing the main static valve plate 122. The second side of the shielding portion 1214 is in contact with the main shaft assembly 126. The first side and the second side are opposite sides.

[0128] The thickness of the shielding portion 1214 is less than or equal to the thickness of the valve plate body. It can be understood that the thickness of the shielding portion 1214 is less than or equal to the minimum thickness of the valve plate body to ensure the space in the main cavity 111.

[0129] When a main cavity inlet 116 is set between the raw water channel and the main cavity 111, the main cavity inlet 116 corresponds to the main valve water inlet 1211, and the raw water can enter between the blocking portion 1214 and the main static valve plate 122 through the main cavity inlet 116. The blocking portion 1214 can guide the water flow and reduce the flow resistance of the raw water.

[0130] The auxiliary valve assembly comprises an auxiliary movable valve plate and an auxiliary static valve plate. At the first auxiliary valve position, the holes of the auxiliary movable valve plate are all closed by the grooves of the auxiliary static valve plate.

[0131] The above content describes the main valve assembly 120 , the main chamber 111 and the valve housing 110 in the water production mode.

[0132] The water production mode is the main function mode of the water softener. The other function modes of the water softener (water injection mode, salt absorption mode, cleaning mode) are mainly to ensure the softening effect of the softening device 190 and regenerate the softening material in the softening device 190 to continuously provide soft water. Among them, the water injection mode mainly injects water into the salt tank 200 to melt the salt in the salt tank 200 and use it to regenerate the softening material in the softening device 190.

[0133] About water injection mode:

[0134] refer to Figures 2 to 12 as well as Figures 17 to 19 It is understandable that the valve housing 110 is provided with a salt box connection port 1110 for connecting the salt box 200. In the water injection mode, the water injection channel 134 of the auxiliary valve core is connected, and the water injection channel 134 is connected to the soft water inlet 119 and the salt box connection port 1110, so that water flows along the path of the soft water inlet 119, the water injection channel 134 and the salt box connection port 1110. By adjusting the state of the auxiliary valve assembly 130, the softening device 190 is connected to the salt box 200, and the soft water softened by the softening device 190 is transported to the salt box 200, so that the salt in the salt box 200 is dissolved, so that the salt solution is passed into the softening device 190.

[0135] Among them, in the water injection mode, the way in which the raw water inlet 113 delivers water to the softening device 190 can be the same as the above-mentioned water production mode, that is, the raw water inlet 113 and the raw water outlet 118 can be connected through the main chamber 111 and the main valve assembly 120, which helps to simplify the structure of the main chamber 111 and the main valve assembly 120.

[0136] In the case where the main valve core is provided with a water-making flow channel 124, the water-making flow channel 124 connects the main chamber 111 with the raw water outlet 118. For details, please refer to the above description of the water-making mode. Fig.18 As shown, it will not be repeated here. It can be understood that the difference between the water injection mode and the water production mode is that the state of the auxiliary valve assembly 130 is different. The soft water valve switches between the water injection mode and the water production mode, and the main valve core is located at the first main valve position. The switching of the two modes can be achieved by switching the position of the auxiliary valve core. In the water production mode, the position of the auxiliary valve core can be understood as the first auxiliary valve position, and in the water injection mode, the position of the auxiliary valve core can be understood as the fourth auxiliary valve position. The auxiliary valve core is driven to rotate by the auxiliary drive unit, so that the auxiliary valve core switches between the first auxiliary valve position and the fourth auxiliary valve position, that is, the auxiliary drive unit is used to drive the auxiliary valve core to rotate until the water injection channel 134 is connected or disconnected, and the auxiliary valve assembly 130 has a simple structure and is easy to operate.

[0137] It can be understood that the auxiliary valve core includes an auxiliary static valve disc 132 and an auxiliary moving valve disc 131, the auxiliary moving valve disc 131 is connected to the auxiliary driving part, the auxiliary static valve disc 132 is fixed to the valve housing 110, the auxiliary moving valve disc 131 is configured with an auxiliary valve first slot 1311, the auxiliary static valve disc 132 is configured with a salt absorption water injection hole 1324 and a softening connection hole 1322, the salt absorption water injection hole 1324 is connected to the salt box connection port 1110, the softening connection hole 1322 is connected to the soft water inlet 119, and the auxiliary valve first slot 1311 is connected to the salt absorption water injection hole 1324 and the softening connection hole 1322 to form a water injection channel 134. The auxiliary static valve disc 132 cooperates with the auxiliary moving valve disc 131 to connect the softening device 190 and the salt box 200, and smoothly delivers the soft water in the softening device 190 to the salt box 200, and the structure is simple.

[0138] The auxiliary driving part is used to drive the auxiliary movable valve disc 131 to rotate relative to the auxiliary static valve disc 132 so that the auxiliary valve first groove body 1311 of the auxiliary movable valve disc 131 moves to a position connecting the softening connection hole 1322 and the salt absorption and water injection hole 1324 .

[0139] refer to Fig.19 As shown, the auxiliary valve first slot 1311 is an arc-shaped slot extending along the circumference of the auxiliary moving valve plate 131. In the water injection mode, the auxiliary valve first slot 1311 covers the softening connection hole 1322 and the salt absorption water injection hole 1324 in the positive projection of the auxiliary static valve plate 132, ensuring that the entire area of ​​the softening connection hole 1322 and the salt absorption water injection hole 1324 are connected to the auxiliary valve first slot 1311 to avoid leakage and ensure the water flow effect. The flow areas of the softening connection hole 1322 and the salt absorption water injection hole 1324 are both smaller than the flow area of ​​the auxiliary valve first slot 1311, and the sum of the flow areas of the softening connection hole 1322 and the salt absorption water injection hole 1324 is also smaller than the flow area of ​​the auxiliary valve first slot 1311.

[0140] The valve housing 110 is provided with a softening connection port 1121 and a salt water injection port 1119. The softening connection port 1121 corresponds to and is connected with the softening connection hole 1322, and the salt water injection port 1119 corresponds to and is connected with the salt water injection hole 1324. An auxiliary valve seal 1392 is provided between the auxiliary static valve plate 132 and the valve housing 110. The auxiliary valve seal 1392 is sealed and connected between the softening connection port 1121 and the softening connection hole 1322, and the auxiliary valve seal 1392 is also sealed and connected between the salt water injection port 1119 and the salt water injection hole 1324, so as to ensure that each hole is independently sealed.

[0141] Among them, when the soft water valve includes an ejector 160, the salt absorption water injection hole 1324 is connected to the salt box connection port 1110 through the ejector 160, that is, the water injection channel 134 is connected to the salt box connection port 1110 through the ejector 160; by switching the state of the auxiliary valve core, the soft water valve can also draw salt solution from the salt box 200 through the ejector 160 and send it to the softening device 190, that is, in the water injection mode and the salt absorption mode, water flows through the softening device 190, the ejector 160 and the salt box. The flow paths between the boxes 200 are opposite; in the water injection mode, water flows along the softening device 190 through the auxiliary valve assembly 130 to the ejector 160, and then flows into the salt box connection port 1110 through the ejector 160; in the salt absorption mode, the salt solution in the salt box 200 enters the ejector 160, and then the mixed solution in the ejector 160 is sent to the softening device 190 through the auxiliary valve assembly 130; it should be noted that the flow channels connected in the auxiliary valve assembly 130 are different in the water injection mode and the salt absorption mode. Of course, in the water injection mode, the water flowing to the salt box connection port 1110 through the water injection channel 134 of the auxiliary valve assembly 130 can also flow directly into the salt box connection port 1110 without passing through the ejector 160. At this time, the salt absorption water injection hole 1324 can be directly connected to the salt box connection port 1110.

[0142] In the above embodiment, the path of the raw water inlet 113 to pass water to the auxiliary valve assembly 130 is the same as that in the water production mode, that is, the softening device 190 is controlled by the soft water valve to deliver soft water to the salt box connection port 1110, but the water injection mode can also introduce raw water into the salt box connection port 1110 in other ways. In some cases, in the water injection mode, the main chamber 111 and the main valve assembly 120 may not participate in the work, and by adjusting the state of the auxiliary valve assembly 130, when the raw water inlet 113 is connected to the auxiliary chamber 112, the auxiliary valve assembly 130 is regulated to make the auxiliary chamber 112 communicate with the salt box connection port 1110, and the raw water is passed into the salt box 200 through the salt box connection port 1110 (not shown in the figure), so that the salt in the salt box 200 is dissolved, so that the salt water is passed into the softening device 190. For example, the main chamber 111 of the valve housing 110 is connected to the auxiliary chamber 112, and the water injection channel connects the auxiliary chamber 112 and the salt box connection port 1110. The raw water in the auxiliary chamber 112 can be sent to the salt box 200, and can also be dissolved in the salt box 200 to obtain brine. At this time, the auxiliary valve water inlet 1314 of the auxiliary valve plate 131 is connected to the salt absorption water injection hole 1324, and the raw water in the auxiliary chamber 112 flows along the auxiliary valve water inlet 1314, the salt absorption water injection hole 1324 and the salt box connection port 1110. At this time, the main valve assembly 120 can disconnect or connect the main chamber 111 and the raw water outlet 118. When the main valve assembly 120 connects the main chamber 111 and the raw water inlet 113, the soft water valve can execute the water production mode and the water injection mode at the same time, and the water injection mode does not affect the user's soft water extraction.

[0143] The above content describes the water injection mode. After the water is injected into the salt box 200, the salt in the salt box 200 is dissolved for a preset time, which can generally be 1 hour, 2 hours, etc. This process can be understood as the salt box 200 entering the salt melting state. During the salt melting state, the water production mode can be executed so that the user can get soft water from the soft water outlet 114. After the salt in the salt box 200 is dissolved, the salt water is sent to the softening device 190, that is, the salt absorption mode is executed. The salt absorption mode is described below.

[0144] Salt absorption mode:

[0145] refer to Figures 1 to 12 as well as Figure 20 to Figure 22 As shown, it can be understood that the valve housing 110 is connected to the ejector 160, and the valve housing 110 is provided with a salt box connection port 1110. The salt solution in the salt box connection port 1110 is sucked into the salt box connection port 1110 through the ejector 160, and the salt solution is sent into the softening device 190 through the cooperation of the ejector 160 and the auxiliary valve assembly 130, and then the sewage after the softening material in the softening device 190 is regenerated is discharged.

[0146] In salt absorption mode, combined with Figures 35 to 38 As shown, the ejector 160 is provided with a jet channel, the jet inlet 161 of the jet channel is connected to the sub-cavity 112 through the sub-valve core, the suction port 163 of the jet channel is connected to the salt box connection port 1110, and the jet outlet 162 of the jet channel is connected to the softening device 190 through the sub-valve core, so that the raw water at the raw water inlet 113 and the brine at the salt box connection port 1110 are mixed in the jet channel to obtain a mixed liquid, and the mixed liquid is passed into the softening device 190. Among them, the suction port 163 is located on the flow path between the jet inlet 161 and the jet outlet 162, and the raw water flows along the jet inlet 161 to the jet outlet 162. The raw water flows in the jet channel, so that negative pressure is generated at the suction port 163. Under the action of the negative pressure, the salt solution in the salt box 200 is sucked into the jet inlet and the jet channel along the salt box connecting port 1110 and the suction port 163, so that the salt solution and the raw water are mixed in the jet channel to obtain a mixed solution, and the mixed solution flows along the jet outlet 162 to the softening device 190, completing the process of sending the mixed solution into the softening device 190.

[0147] In some cases, the raw water of the jet inlet 161 is the raw water in the sub-cavity 112 through the sub-valve assembly 130, the sub-cavity 112 is connected with the raw water inlet 113 through the main cavity 111 (or the sub-cavity is directly connected with the raw water inlet), and the sub-cavity 112 and the main cavity 111 are always filled with raw water. Of course, the jet inlet 161 is not limited to being connected with the raw water inlet 113 through the sub-cavity 112, for example, the jet inlet 161 can also be directly connected with the raw water inlet 113 (not shown in the figure), which can simplify the structure of the sub-valve assembly 130.

[0148] In some cases, the mixed solution of the jet outlet 162 is drained to the soft water inlet 119 through the auxiliary valve assembly 130, so that the mixed solution enters the softening device 190 along the soft water inlet 119, the mixed solution washes the softened material in the softening device 190, and the washed sewage is drained to the sewage outlet 115 along the raw water outlet 118 through the main valve assembly 120 to complete the sewage discharge. Of course, the mixed solution of the jet outlet 162 is not limited to being drained to the soft water inlet 119, and can also be drained to the raw water outlet 118 through the auxiliary valve assembly 130 and the main valve assembly 120, so that the mixed solution flows into the softening device 190 along the raw water outlet 118, the mixed solution washes the softened material in the softening device 190, and the washed sewage is drained to the sewage outlet 115 through the auxiliary valve assembly 130. There are various paths for feeding the mixed solution into the softening device 190 and discharging the sewage from the softening device 190, which can be selected according to needs.

[0149] When the raw water in the sub-cavity 112 is passed into the jet inlet 161 through the sub-valve assembly 130, the mixed solution at the jet outlet 162 is sent to the soft water inlet 119 through the sub-valve assembly 130, and the sewage at the raw water outlet 118 is discharged to the sewage outlet 115 through the main valve assembly 120, the first salt absorption flow channel 135 and the second salt absorption flow channel 136 of the sub-valve core are connected, the first salt absorption flow channel 135 connects the sub-cavity 112 and the jet inlet 161, and the second salt absorption flow channel 136 connects the jet outlet 162 and the soft water inlet 119 The first sewage discharge channel 125 of the main valve core connects the raw water outlet 118 with the sewage discharge channel 1115 of the valve housing 110 (the end of the sewage discharge channel 1115 forms the sewage discharge port 115), and the raw water in the sub-cavity 112 enters the jet inlet 161 along the first salt absorption channel 135. The raw water and the salt solution are mixed in the jet channel to obtain a mixed liquid. The mixed liquid flows out along the jet outlet 162, the soft water inlet 119, the raw water outlet 118, the first sewage discharge channel 125 and the sewage discharge port 115, thereby realizing the salt absorption and slow washing of the softening device 190.

[0150] In some cases, the valve housing 110 is provided with a filter channel 1118, and a filter element 180 is provided in the filter channel 1118. The filter channel 1118 connects the jet inlet 161 and the first salt absorption channel 135, so that the raw water flowing out of the first salt absorption channel 135 is filtered through the filter channel 1118, and then sent to the softening device 190 along the jet channel and the second salt absorption channel 136. The raw water is filtered and then used for regeneration of the softening material.

[0151] The filter element 180 can be a filter screen, a filter element, a filter membrane, etc. The filter element 180 has various structures. The filter element 180 can be fixed in the filter channel 1118. The filter element 180 can be fixed by means of snap connection, fastener connection, thread connection, etc. The fixing method of the filter element 180 is various and can be selected according to needs. The filter element 180 can be detachably connected in the filter channel 1118 for easy replacement.

[0152] The valve housing 110 is provided with an installation passage 117, and the ejector 160 is detachably installed in the installation passage 117, so as to facilitate the ejector 160 to be disassembled and assembled. Fig.35 and Fig.40 As shown, the valve housing 110 is integrally formed with an installation channel 117, which is convenient for processing the valve housing 110 and can also simplify the structure of the soft water valve. Alternatively, the valve housing 110 is directly connected to the ejector 160 (not shown in the figure), and the ejector 160 does not need to be installed in the channel, and the ejector 160 is more independent. When the valve housing 110 is provided with a filter channel 1118, the filter channel 1118 can also be formed by a structural member independent of the valve housing 110, such as a pipe fitting detachably connected to the valve housing 110, and this pipe fitting can be connected to the independent ejector 160 as a whole, reducing the number of parts. Based on the above, there are various ways to install the ejector 160 and the filter element 180 in the valve housing 110, which can be selected according to needs, and will not be listed here one by one.

[0153] It should be noted that the reference Figures 35 to 38 As shown, the ejector 160 can be a Venturi structure, the ejector 160 is arranged on the left side of the valve housing 110, and two channels are opened on the left side of the valve housing 110. The bottom channel is equipped with a filter channel 1118 of the filter element 180, which is used to filter impurities and prevent the ejector 160 from being blocked. The upper channel is provided with an installation channel 117 for installing the ejector 160, and the side of the ejector 160 is equipped with a salt box connection port 1110 perpendicular to the water flow direction of the pipe. The salt box connection port 1110 can be connected to the salt box connection port 1110 through a hose to absorb salt during regeneration.

[0154] refer to Figures 35 to 38 As shown, a first flow channel 164 and a second flow channel 165 are provided in the ejector 160, one end of the first flow channel 164 is connected to the suction port 163, and the other end of the first flow channel 164 forms a jet inlet 161, one end of the second flow channel 165 is connected to the suction port 163, and the other end of the second flow channel 165 forms a jet outlet 162. A jet flow limiter 166 is inserted at the end of the first flow channel 164 to adjust the flow rate of the ejector 160.

[0155] Next, the structure of the sub-valve element forming the first salt absorption flow path 135 and the second salt absorption flow path 136 will be described.

[0156] Understandably, reference Fig. 22As shown, the auxiliary valve core includes an auxiliary static valve plate 132 and an auxiliary movable valve plate 131. The auxiliary movable valve plate 131 is connected to the auxiliary driving part. The auxiliary static valve plate 132 is fixed to the valve housing 110. The auxiliary static valve plate 132 is located in the auxiliary cavity 112. The auxiliary static valve plate 132 is configured with a softening connection hole 1322, a salt water outlet 1323 and a salt absorption water injection hole 1324. The auxiliary movable valve plate 131 is configured with an auxiliary valve third slot 1313 and an auxiliary valve water inlet 1314. The auxiliary valve water inlet 1314 The salt absorption water injection hole 1324 is connected to form a first salt absorption flow channel 135, the auxiliary valve water inlet 1314 is connected to the raw water inlet 113 through the auxiliary cavity 112, the salt absorption water injection hole 1324 is connected to the jet inlet 161, the brine outlet 1323 is connected to the softening connection hole 1322 through the auxiliary valve third groove body 1313 to form a second salt absorption flow channel 136, the brine outlet 1323 is connected to the jet outlet 162, and the softening connection hole 1322 is connected to the soft water inlet 119. In the salt absorption mode, the raw water flows along the path of the auxiliary valve water inlet 1314, the salt absorption water injection hole 1324, the jet inlet 161, and the jet outlet 162. After the raw water enters the jet inlet 161, under the action of the negative pressure of the raw water, the salt solution in the salt box 200 enters the suction port 163 along the salt box connection port 1110, so that the salt solution and the raw water are mixed in the jet channel to obtain a mixed solution. The mixed solution flows along the path of the jet outlet 162, the salt water outlet 1323, the third slot body 1313 of the auxiliary valve and the softening connection hole 1322. The mixed solution enters the softening device 190 through the softening connection hole 1322, and the salt solution is transported according to the aforementioned path.

[0157] The raw water of the auxiliary valve water inlet 1314 comes from the auxiliary chamber 112 , and the raw water in the auxiliary chamber 112 comes from the raw water inlet 113 .

[0158] In some cases, reference Fig.40 As shown, the valve housing 110 includes a connecting channel 1111, which connects the main chamber 111 and the sub-chamber 112, the raw water inlet 113 connects the main chamber 111, and the sub-chamber 112 connects the sub-valve water inlet 1314. The sub-chamber 112 is connected to the raw water inlet 113 through the main chamber 111, which can simplify the flow path of raw water transportation and simplify the structure of the soft water valve.

[0159] The above content describes the structure and state of the auxiliary valve assembly 130 in the salt absorption mode, that is, the path for the mixed solution to be transported to the softening device 190. The following describes the flow path of the sewage generated after the mixed solution regenerates the softening material in the softening device 190.

[0160] refer to Fig.21As shown, in the case where the main valve core includes a main static valve plate 122 and an active valve plate 121, the main static valve plate 122 is provided with a water through hole 1221 and a main valve sewage hole 1222, the active valve plate 121 includes a main valve water inlet 1211 and a main valve first groove body 1212, the main valve first groove body 1212 connects the water through hole 1221 and the main valve sewage hole 1222 to form a first sewage discharge channel 125, the water through hole 1221 is connected to the raw water outlet 118, the main valve water inlet 1211 is connected to the raw water inlet 113, and the main valve static valve plate separates the main valve water inlet 1211 and the raw water outlet 118. The sewage in the softening device 190 is discharged by means of the water hole 1221, the first groove body 1212 of the main valve and the sewage hole 1222 of the main valve. The raw water outlet 118 is used to deliver water to the softening device 190 and to discharge the sewage in the softening device 190. The water hole 1221 is connected to the raw water outlet 118. The water hole 1221 can always be connected to the raw water outlet 118, which can simplify the structure of the valve housing 110 and the main static valve plate 122.

[0161] Of course, the main static valve plate 122 can also have two drain holes (not shown in the figure), one drain hole is connected to the raw water outlet 118, and the other drain hole is connected to the drain port 115 of the valve housing 110. The two drain holes are connected through the groove body of the active valve plate 121, and can also discharge the sewage in the softening device 190.

[0162] Under the condition that "the auxiliary static valve plate 132 is constructed with a softening connection hole 1322, a brine outlet 1323 and a brine injection hole 1324, and the auxiliary movable valve plate 131 is constructed with an auxiliary valve third groove body 1313 and an auxiliary valve water inlet 1314", the auxiliary valve core executes the water injection mode.

[0163] In water injection mode, refer to Fig.18 As shown, the auxiliary valve plate 131 is provided with an auxiliary valve first slot body 1311, and the auxiliary valve first slot body 1311 connects the salt absorption water injection hole 1324 and the softening connection hole 1322 to form a water injection channel 134, the softening connection hole 1322 connects to the soft water inlet 119, and the salt absorption water injection hole 1324 connects to the jet inlet 161 of the jet channel, so that water flows along the path of the soft water inlet 119, the water injection channel 134, the jet channel and the salt box connection port 1110, that is, water enters the jet channel along the soft water inlet 119, the softening connection hole 1322, the auxiliary valve first slot body 1311, the salt absorption water injection hole 1324, and the jet inlet 161, and then enters the salt box 200 through the jet channel and the salt box connection port 1110.

[0164] It should be noted that the path provided here for delivering soft water into the salt box 200 only provides the water flow path after the soft water flows out of the softening device 190, and does not introduce the path for the raw water to flow to the softening device 190. The path for the raw water to flow to the softening device 190 can refer to the above-mentioned water production mode, that is, the water production channel 124 is connected to deliver the raw water in the main chamber 111 to the raw water outlet 118. Of course, other paths can also be used.

[0165] When soft water is transported into the jet channel, the jet outlet 162 is closed, the jet inlet 161 is connected to the salt absorption and water injection hole 1324, and the suction port 163 is connected to the salt box connection port 1110, so that water flows into the jet inlet 161 through the salt absorption and water injection hole 1324, and the water in the jet channel flows to the salt box connection port 1110 through the suction port 163.

[0166] Since the jet outlet 162 corresponds to the salt water outlet 1323 , the auxiliary valve plate 131 can be moved to close the salt water outlet 1323 to close the jet outlet 162 , so that the water in the jet channel enters the salt box connection port 1110 through the suction port 163 .

[0167] In combination with the above description of the valve types of the main valve assembly 120 and the auxiliary valve assembly 130, when the auxiliary valve assembly 130 is a disc valve, the auxiliary driving part is used to drive the auxiliary moving valve plate 131 to rotate relative to the auxiliary static valve plate 132, so that the auxiliary valve core switches between the position where the water injection channel 134 is connected and the position where the first salt absorption channel 135 and the second salt absorption channel 136 are connected.

[0168] After the water injection mode and the salt absorption mode, the regeneration of the softening material in the softening device 190 is realized, and the softening device 190 needs to be cleaned, that is, the soft water valve can control the execution of the cleaning mode, and the cleaning mode includes at least one of the backwash mode and the forward wash mode, to ensure that the softening device 190 and the soft water valve are cleaned.

[0169] The backwash mode is described below.

[0170] refer to Figure 23 to Figure 25 As shown, in the backwash mode, the backwash channel 137 of the auxiliary valve core is connected, and the backwash channel 137 connects the soft water inlet 119 and the raw water inlet 113, so that the raw water is sent into the softening device 190 through the backwash channel 137 and the soft water inlet 119, and the first sewage channel 125 of the main valve core is connected, and the first sewage channel 125 connects the raw water outlet 118 and the sewage outlet 115 of the valve housing 110, so that the water in the softening device 190 enters the soft water valve along the raw water outlet 118, and is discharged along the path of the raw water outlet 118, the first sewage channel 125 and the sewage outlet 115.

[0171] The backwash channel 137 is connected to the raw water inlet 113 through the auxiliary chamber 112, that is, the auxiliary chamber 112 is connected to the raw water inlet 113, and the auxiliary chamber 112 can be connected to the raw water inlet 113 through the main chamber 111, and the softening device 190 is cleaned with raw water.

[0172] Understandably, reference Fig.24 As shown, in the case where the main valve core includes a main static valve plate 122 and an active valve plate 121, the main static valve plate 122 is provided with a water through hole 1221 and a main valve drain hole 1222, the active valve plate 121 includes a main valve water inlet 1211 and a main valve first slot 1212, the main valve first slot 1212 connects the water through hole 1221 and the main valve drain hole 1222 to form a first drain channel 125, the water through hole 1221 is connected to the raw water outlet 118, to ensure that the water in the softening device 190 is discharged outward along the raw water outlet 118, the water through hole 1221, the main valve first slot 1212 and the main valve drain hole 1222. Among them, based on the main valve water inlet 1211 connecting to the raw water inlet 113, the main cavity 111 is filled with raw water, and the main static valve plate 122 separates the main valve water inlet 1211 from the raw water outlet 118, preventing the raw water in the main cavity 111 from flowing to the raw water outlet 118.

[0173] It should be noted that both the backwash mode and the salt absorption mode discharge water to the outside through the first sewage discharge channel 125, which can simplify the structure of the main valve assembly 120 and the flow path arrangement in the soft water valve.

[0174] It can also be understood that in the backwash mode and the salt absorption mode, the state of the main valve assembly 120 is the same, and the water is drained to the outside of the soft water valve through the main valve assembly 120, but the drainage flow path is not limited to the aforementioned first sewage discharge channel 125, and can also be a structure not shown in the figure, such as the technical solution of "the main static valve plate 122 has two sewage discharge holes". For details, please refer to the above content, which will not be repeated here. That is, in the process of switching from the salt absorption mode to the backwash mode, only the state of the auxiliary valve assembly 130 can be adjusted, and the state of the main valve assembly 120 can remain unchanged.

[0175] Based on the structure of the auxiliary valve assembly 130 in the above-mentioned salt absorption mode, the structure and function of the auxiliary valve assembly 130 in the backwash mode are described.

[0176] Understandably, reference Fig.25 As shown, the auxiliary static valve plate 132 is provided with a softening connecting hole 1322, and the auxiliary moving valve plate 131 is provided with an auxiliary valve water inlet 1314. The auxiliary valve water inlet 1314 is connected to the raw water inlet 113. The auxiliary valve water inlet 1314 is connected to the softening connecting hole 1322 to form a backwash flow channel 137. The softening connecting hole 1322 is connected to the soft water inlet 119, so that the raw water enters the softening device 190 along the path of the auxiliary valve water inlet 1314, the softening connecting hole 1322 and the soft water inlet 119, and the raw water is sent into the softening device 190.

[0177] Based on the above, the auxiliary valve water inlet 1314 is connected to the raw water inlet 113 through the auxiliary cavity 112 .

[0178] It can be understood that the valve housing 110 is constructed with a connecting channel 1111, which connects the main chamber 111 and the sub-chamber 112. The main chamber 111 is connected to the raw water inlet 113, and the sub-chamber 112 is connected to the sub-valve water inlet 1314. The sub-chamber 112 can be connected to the raw water inlet 113 through the main chamber 111. The structure of the soft water valve is simple and the flow of raw water is smooth.

[0179] When the connecting channel 1111 connects the main chamber 111 and the auxiliary chamber 112, in the water production mode, the auxiliary valve core isolates the auxiliary chamber 112 from the soft water inlet 119, preventing the raw water in the auxiliary chamber 112 from affecting the water supply of the softening device 190 to the soft water inlet 119, thereby ensuring that the user can get soft water from the soft water outlet 114.

[0180] The above content describes the backwash mode, and the forward wash mode will be described below.

[0181] refer to Figure 26 to Figure 28 As shown, in the forward washing mode, the second sewage flow channel 138 of the auxiliary valve core is connected, the second sewage flow channel 138 connects the soft water inlet 119 and the sewage channel 1115 of the valve housing 110, the raw water outlet 118 is connected to the raw water inlet 113, the raw water in the soft water valve enters the softening device 190 through the raw water outlet 118, the water in the softening device 190 enters the soft water valve through the soft water inlet 119, and is discharged through the second sewage flow channel 138 of the auxiliary valve core and the sewage channel 1115 of the valve housing 110, thereby realizing the discharge of sewage from the clean softening device 190.

[0182] The structure of the auxiliary valve core that can form the second sewage discharge channel 138: Fig.28 As shown, the auxiliary static valve plate 132 is constructed with an auxiliary valve drain hole 1321 and a softening connection hole 1322. The auxiliary valve drain hole 1321 is connected to the drain channel 1115, and the softening connection hole 1322 is connected to the soft water inlet 119. The auxiliary movable valve plate 131 is constructed with an auxiliary valve first groove body 1311. The auxiliary valve first groove body 1311 connects the softening connection hole 1322 and the auxiliary valve drain hole 1321 to form a second drain channel 138. The water discharged from the softening device 190 flows along the path of the soft water inlet 119, the softening connection hole 1322, the auxiliary valve first groove body 1311 and the auxiliary valve drain hole 1321, and then is discharged from the soft water valve through the auxiliary valve drain hole 1321 and the drain channel 1115, and can be discharged to the target position through the drainage pipeline.

[0183] Understandably, reference Fig. 27As shown, when the main valve core is provided with a water-making flow channel 124, in the forward washing mode, the raw water outlet 118 is connected to the raw water inlet 113 through the water-making flow channel 124. It can also be understood that the state of the main valve core in the forward washing mode is the same as the state of the main valve core in the water-making mode, that is, the main valve core is in the first main valve position, and when the main valve core is in the first main valve position, the water-making mode and the forward washing mode can be switched by adjusting the state of the auxiliary valve core.

[0184] The auxiliary driving part is used to drive the auxiliary valve core to rotate to connect or disconnect the second sewage discharge channel 138. That is, the auxiliary driving part drives the auxiliary movable valve plate 131 to rotate relative to the auxiliary static valve plate 132, thereby realizing the state switching of the auxiliary valve core and further realizing the functional mode switching of the soft water valve.

[0185] Among them, after the soft water valve executes the salt absorption mode, the softening device 190 needs to be cleaned, and the cleaning method of the softening device 190 can be at least one of the above-mentioned backwash mode and forward wash mode. When the cleaning mode includes the backwash mode or the forward wash mode, the softening device 190 can be cleaned by the backwash mode or the forward wash mode after the salt absorption mode is executed; when the cleaning mode includes the backwash mode and the forward wash mode, after the salt absorption mode ends, the backwash mode or the forward wash mode can be executed first, which can be selected according to needs. In some cases, after the salt absorption mode, the backwash mode is executed first, and then the forward wash mode is executed.

[0186] It should be noted that the holes of the main static valve plate 122 and the auxiliary static valve plate 132 are both provided with openings corresponding to and connected to the holes on the valve housing 110 to ensure that water can flow out through the holes of the static valve plates.

[0187] The above content describes the flow paths corresponding to the various modes of the soft water valve. Next, the control method of the soft water valve will be described.

[0188] Based on the above content, the main valve assembly 120 includes two main valve positions, and the auxiliary valve assembly 130 includes multiple auxiliary valve positions. The positional relationship between the main valve assembly 120 and the auxiliary valve assembly 130 is described.

[0189] It can be understood that the main drive unit is used to drive the main valve core to switch between the first main valve position and the third main valve position, and the auxiliary drive unit is used to drive the auxiliary valve core to switch between multiple auxiliary valve positions, so that the soft water valve can switch between water production mode, water injection mode, salt absorption mode and cleaning mode.

[0190] When the water softener includes four modes, the auxiliary valve core may include four auxiliary valve positions or three auxiliary valve positions. When the water softener includes five modes, the auxiliary valve core may include five auxiliary valve positions or four auxiliary valve positions. The flow paths connected to the auxiliary valve core are different when the auxiliary valve core is in different auxiliary valve positions. Figures 13 to 28As shown, a water softener includes five modes and a secondary valve core includes five secondary valve positions.

[0191] refer to Fig.15 , Fig.18 , Fig.21 , Fig.24 and Fig. 27 As shown, the main valve core switches between the first main valve position and the third main valve position, that is, in at least two modes, the position of the main valve core is the same, which can simplify the control method of the main valve core.

[0192] In some cases, reference Fig.15 , Fig.18 and Fig. 27 As shown, the main valve core is in the first main valve position, and the water-making channel 124 of the main valve core connects the main chamber 111 with the raw water outlet 118. At the same time, the main chamber 111 connects to the raw water inlet 113, that is, the raw water of the raw water inlet 113 can be transported to the raw water outlet 118 through the main valve core, thereby realizing the process of transporting raw water to the softening device 190. At this time, the switching of the softening valve between the water-making mode and the water-injection mode is realized by switching the position of the auxiliary valve core.

[0193] When the cleaning mode includes the forward washing mode, the main valve core is in the first main valve position, and the position of the auxiliary valve core can be switched to switch the soft water valve to the forward washing mode. The structural form of the "water flow channel 124" can refer to the above contents about the water production mode, water injection mode and forward washing mode. For example, the main static valve plate 122 is configured with a water hole 1221, and the active valve plate 121 is configured with a main valve water inlet 1211. In the first main valve position, the main valve water inlet 1211 is connected to the raw water inlet 113, and the water hole 1221 is connected to the main valve water inlet 1211 to form a water flow channel 124.

[0194] In other cases, reference Fig.21 and Fig.24 As shown, the main valve core is in the third main valve position, the first sewage discharge channel 125 of the main valve core is connected, the water control channel 124 is disconnected, and the first sewage discharge channel 125 is connected to the raw water outlet 118 and the sewage discharge channel 1115 of the valve housing 110, so that the sewage is discharged along the raw water outlet 118, the first sewage discharge channel 125 and the sewage discharge channel 1115. In the third main valve position, the main valve core is used to guide the sewage in the softening device 190. In the mode where sewage needs to be discharged, the main valve core can be switched to the third main valve position, at which time, water can be sent to the softening device 190 through the auxiliary valve core and the soft water inlet 119.

[0195] When the cleaning mode includes the backwash mode, the main valve core is in the third main valve position, and the position of the auxiliary valve core is switched to realize the switching of the soft water valve between the salt absorption mode and the backwash mode. It can be understood that in both the salt absorption mode and the backwash mode, water is supplied to the softening device 190 through the auxiliary valve core, and the sewage in the softening device 190 is discharged through the main valve core. In these two modes, the flow channels connected by the auxiliary valve core are different. Among them, the structural form of the "first sewage discharge channel 125" can refer to the above-mentioned contents about the salt absorption mode and the backwash mode. For example, the main static valve plate 122 is provided with a water hole 1221 and a main valve sewage discharge hole 1222, and the active valve plate 121 includes a main valve water inlet 1211 and a main valve first slot body 1212. In the third main valve position, the main valve first slot body 1212 connects the water hole 1221 and the main valve sewage discharge hole 1222 to form a first sewage discharge channel 125, the water hole 1221 is connected to the raw water outlet 118, the main valve water inlet 1211 is connected to the main cavity 111, and the main valve static valve plate separates the main valve water inlet 1211 from the raw water outlet 118.

[0196] The above content describes two positions of the main valve assembly 120 . Next, each mode will be described in combination with the positions of the main valve assembly 120 and the sub-valve assembly 130 .

[0197] When the soft water valve includes a water production mode, a water injection mode and a salt absorption mode, the auxiliary driving part is used to drive the auxiliary valve core to rotate and switch between the first auxiliary valve position, the second auxiliary valve position and the fourth auxiliary valve position. The first auxiliary valve position, the second auxiliary valve position and the fourth auxiliary valve position are arranged sequentially along the circumference of the auxiliary valve core to facilitate the position adjustment of the auxiliary valve core.

[0198] refer to Fig.15 and Fig.16 As shown, in the water production mode, the auxiliary valve core is in the first auxiliary valve position, the main valve core is in the first main valve position, the main valve core is used to pass water to the softening device 190, the soft water inlet 119 is connected to the soft water outlet 114, and the auxiliary valve core is used to disconnect the soft water inlet 119 from other flow channels to ensure the soft water outlet 114, thereby preventing water in other flow channels from contaminating the soft water.

[0199] refer to Fig.18 and Fig.19 As shown, in the water injection mode, the auxiliary valve core is in the fourth auxiliary valve position, the main valve core is in the first main valve position, the main valve core is used to pass water to the softening device 190, and the auxiliary valve core is used to pass the soft water in the softening device 190 into the salt tank connection port 1110. In the fourth auxiliary valve position, the water injection flow channel 134 of the auxiliary valve core is connected, and the water injection flow channel 134 connects the soft water inlet 119 and the salt tank connection port 1110.

[0200] refer to Fig.21 and Fig. 22As shown, in the salt absorption mode, the auxiliary valve core is in the second auxiliary valve position, the main valve core is in the third main valve position, the auxiliary valve core is used to pass the raw water into the ejector 160, and under the flow power of the raw water, the salt solution in the salt box connection port 1110 is sucked into the ejector 160, and the mixed solution in the ejector 160 is sent to the softening device 190, and the water in the softening device 190 is discharged along the valve housing 110 through the main valve core. In the second auxiliary valve position, the first salt absorption flow channel 135 and the second salt absorption flow channel 136 of the auxiliary valve core are connected, the jet inlet 161 of the jet channel is connected to the auxiliary cavity 112 through the first salt absorption flow channel 135, the suction port 163 of the jet channel is connected to the salt box connection port 1110, and the jet outlet 162 of the jet channel is connected to the soft water inlet 119 through the second salt absorption flow channel 136.

[0201] refer to Fig.24 and Fig.25 As shown, when the cleaning mode includes the backwash mode, the auxiliary valve core also includes the fifth auxiliary valve position. In the backwash mode, the auxiliary valve core is in the fifth auxiliary valve position, the main valve core is in the third main valve position, and the auxiliary valve core is used to pass the raw water into the softening device 190, and the water in the softening device 190 is discharged along the valve housing 110 through the main valve core. In the fifth auxiliary valve position, the backwash flow channel 137 of the auxiliary valve core is connected, and the backwash flow channel 137 connects the soft water inlet 119 and the auxiliary chamber 112.

[0202] refer to Fig. 27 and Fig.28 As shown, when the cleaning mode includes the forward washing mode, the auxiliary valve core also includes a third auxiliary valve position. In the forward washing mode, the auxiliary valve core is in the third auxiliary valve position, the main valve core is in the first main valve position, and the main valve core is used to pass the raw water into the softening device 190, and the water in the softening device 190 is discharged along the valve housing 110 through the auxiliary valve core. In the third auxiliary valve position, the second sewage discharge flow channel 138 of the auxiliary valve core is connected, the second sewage discharge flow channel 138 connects the soft water inlet 119 and the sewage discharge channel 1115 of the valve housing 110, and the auxiliary valve first groove body 1311 connects the softening connection hole 1322 and the auxiliary valve sewage discharge hole 1321 to form the second sewage discharge flow channel 138.

[0203] Regarding the description of the status and functional modes of the soft water valve, the structure of each flow channel is not elaborated here and can be combined with the above description of each mode.

[0204] refer to Fig.34 and Fig.35 As shown, when the auxiliary valve core includes the first auxiliary valve position, the second auxiliary valve position, the third auxiliary valve position, the fourth auxiliary valve position and the fifth auxiliary valve position, the first auxiliary valve position, the second auxiliary valve position, the third auxiliary valve position, the fourth auxiliary valve position and the fifth auxiliary valve position are arranged in sequence along the circumference of the auxiliary valve core, and the auxiliary driving part can move the auxiliary valve core to the corresponding auxiliary valve position by driving the auxiliary valve plate 131 to rotate.

[0205] During the operation of the soft water valve, the soft water valve is mainly in the water production mode. When the softening material in the softening device 190 needs to be regenerated, water is first injected into the salt box 200 to execute the water injection mode, and then the salt absorption mode is executed to send a mixed solution of salt solution with regeneration function into the softening device 190. After that, the cleaning mode is executed. When the cleaning mode includes a forward washing mode and a backwashing mode, the backwashing mode can be executed first, and then the forward washing mode is executed.

[0206] In the water production mode, the main valve core is in the first main valve position, and the sub-valve core is in the first sub-valve position; when the water injection mode needs to be executed, the position of the main valve core does not need to be adjusted, and the sub-valve core is adjusted to the fourth sub-valve position; after the water injection mode, the salt box 200 needs to melt the salt for a preset time to obtain the salt solution. At this time, it can be adjusted to the water production mode, and the position of the main valve core does not need to be adjusted, and the sub-valve core can be restored to the first sub-valve position; after the salt melting is completed, the salt absorption mode is executed, and the main valve core needs to be adjusted to the third main valve position, and the sub-valve core is adjusted to the second sub-valve position. Take the backwash mode as an example after the salt absorption mode. At this time, the position of the main valve core does not need to be adjusted, and the sub-valve core is adjusted to the fifth sub-valve position. Then, when executing the forward wash mode, the main valve core needs to be adjusted to the first main valve position, and the sub-valve core needs to be adjusted to the third sub-valve position to complete the regeneration process of the softening material. Finally, adjust the soft water valve to the water production mode to continue to perform the water production function.

[0207] In some cases, reference Fig.43 As shown, the main valve core also includes a second main valve position, and the main valve core is suitable for switching between the first main valve position, the second main valve position and the third main valve position. In the second main valve position, the main valve core isolates the raw water inlet 113 and the raw water outlet 118. At this time, the water in the raw water inlet 113 will not enter the soft water valve, and the water will stop entering the main chamber 111, the sub-chamber 112, and the softening device 190. The flow pressure of water on the sub-valve core in the sub-chamber 112 becomes smaller, which can reduce the resistance of the water pressure to the switching of the sub-valve core position, making the position switching of the sub-valve core more labor-saving, and can reduce the driving force provided by the sub-driving part to the sub-moving valve plate 131, which can reduce the power consumption and the loss of the sub-valve assembly 130, which helps to extend the life of the sub-valve assembly 130 and the life of the soft water valve.

[0208] In the second main valve position, the active valve plate closes the water hole of the main static valve plate. The water hole can be closed through the surface of the active valve plate or through the second groove body of the active valve plate. There are various ways to close the water hole, which are not limited here and can be selected according to needs.

[0209] The main valve core is in the second main valve position, and the auxiliary driving unit can be controlled to drive the auxiliary valve core to switch between multiple auxiliary valve positions. Before the auxiliary valve core needs to switch positions, the main valve core is switched to the second main valve position, which can reduce the resistance of water pressure to the switching of the auxiliary valve core position, making the switching of the auxiliary valve core position more labor-saving and easy to operate.

[0210] When the main valve core includes the first main valve position or the second main valve position, during the process of the main valve core switching from the first main valve position to the second main valve position, the main valve drain hole 1222 is connected to the water hole 1221. Based on the main valve drain hole 1222 being connected to the drain port of the valve housing, the raw water outlet is connected to the water hole 1221. The pressure in the softening device can be discharged through the path of the raw water outlet, the water hole 1221, the main valve drain hole 1222, and the drain port. The pressure between the softening device and the soft water valve will be unloaded, and the pressure in the softening device will not increase after being released. After the softening device is pressure-relieved through the main valve core, the pressure between the auxiliary static valve plate 132 and the softening device can be reduced. If the pressure is not released, the pressure in the softening device will be transmitted to the auxiliary chamber and between the auxiliary static valve plate 132 and the auxiliary moving valve plate 131 through the softening connection hole 1322 of the auxiliary static valve plate 132, which will increase the motor torque. The second main valve position also has the function of reducing the torque of the auxiliary valve core.

[0211] Similarly, when the main valve core switches from the third main valve position to the second main valve position, the main valve drain hole 1222 is also connected to the water hole 1221, which can also achieve the above-mentioned effect, which will not be repeated here.

[0212] Among them, during the process of the main valve core switching from the first main valve position to the second main valve position, the main valve drain hole 1222 is connected with the water hole 1221 through the second main valve groove body 1213; during the process of the main valve core switching from the third main valve position to the second main valve position, the main valve drain hole 1222 is connected with the water hole 1221 through the first main valve groove body 1212.

[0213] It can be understood that when switching from the water production mode to the water injection mode, the position of the main valve core needs to be adjusted to the second main valve position first, and then the position of the sub-valve core is adjusted to the fourth sub-valve position. After the adjustment of the sub-valve core is completed, the main valve core returns to the first main valve position, and the water injection process can be performed; after the water injection is completed, the main valve core is adjusted to the second main valve position again, and then the sub-valve core is returned to the first sub-valve position. At this time, the salt box connection port 1110 is in a molten salt state, the soft water valve is in the water production mode, and the user can take water. After the salt melting is completed, the salt absorption mode is carried out. At this time, the main valve core is first adjusted to the second main valve position, and then the auxiliary valve core is adjusted to the second auxiliary valve position, and then the main valve core is adjusted to the third main valve position to execute the salt absorption mode; after the salt absorption mode is completed, it is adjusted to the backwash mode. At this time, the main valve core is first adjusted to the second main valve position, and then the auxiliary valve core is adjusted to the fifth auxiliary valve position, and then the main valve core is adjusted to the third main valve position to execute the backwash mode; after the backwash mode, it is adjusted to the forward wash mode. At this time, the main valve core is first adjusted to the second main valve position, and then the auxiliary valve core is adjusted to the third auxiliary valve position, and then the main valve core is adjusted to the first main valve position to execute the forward wash mode. After the forward wash mode is completed, it is necessary to adjust to the water production mode. First, the main valve core is adjusted to the second main valve position, and then the auxiliary valve core is adjusted to the first auxiliary valve position, and then the main valve core is adjusted to the first main valve position to produce water.

[0214] In the second main valve position, the water hole 1221 is disconnected from the main valve water inlet 1211, and the water hole 1221 is separated from the main valve water inlet 1211 by other parts of the active valve plate 121, and the structure is simple. When the active valve plate 121 is provided with the second slot body 1213 of the main valve, in the second main valve position, the positive projection of the water hole 1221 on the active valve plate 121 is at least partially located in the second slot body 1213 of the main valve. The water hole 1221 corresponds to the second slot body 1213 of the main valve, and the structural design is ingenious, which can reduce the torque of the active valve plate 121 relative to the main static valve plate 122. In some cases, the opening area of ​​the second slot body 1213 of the main valve is larger than the opening area of ​​the water hole 1221, and the position of the second main valve is easy to control.

[0215] The main valve core is in the first main valve position, and the water hole 1221 is connected with the main valve water inlet 1211, so that the water from the raw water inlet can be passed to the raw water outlet.

[0216] The valve housing is also provided with a drain port, and the main valve core can connect and disconnect the raw water outlet and the drain port. In the second main valve position, the main valve core disconnects the raw water outlet and the drain port to avoid discharge through the main valve core, thereby ensuring that the water in and out of the soft water valve is blocked. When the main valve core includes a main static valve plate 122 and an active valve plate 121, the main static valve plate 122 is provided with a main valve drain hole 1222, and the main valve drain hole 1222 is connected to the drain port. In the second main valve position, the main valve drain hole 1222 can be connected and disconnected with the raw water outlet through the active valve plate 121, and the structure is simple.

[0217] When the main static valve plate 122 is constructed with a water hole 1221, the active valve plate 121 includes a main valve first groove body 1212, and the main valve core is in the third main valve position. The water hole 1221 and the main valve drain hole 1222 are connected through the main valve first groove body 1212, and water can be discharged through the main valve core.

[0218] In the second main valve position, the positive projection of the main valve drain hole 1222 on the active valve disc 121 is located at the main valve first groove 1212, which can reduce the friction resistance between the active valve disc 121 and the main static valve disc 122 and reduce the torque of the active valve disc 121.

[0219] The active valve disc 121 is provided with a main valve second groove body 1213, the main valve core is in the first main valve position, the main valve drain hole 1222 is located in the main valve second groove body 1213 as the positive projection of the active valve disc 121, and the main valve drain hole 1222 corresponds to the main valve second groove body 1213, which can also reduce the torque of the active valve disc 121 rotation.

[0220] The above content explains the water production mode of the softening valve, other functional modes for regenerating the softening material in the softening device 190, and the switching between modes. Based on the above technical solution, when the softening valve is applied to a water softener, the user can obtain soft water of a single hardness from the water softener, that is, the hardness of the soft water produced by the water softener is not convenient to adjust. Therefore, the following content provides a technical solution for adjusting the hardness of soft water.

[0221] Understandably, reference Figure 29 to Figure 32 As shown, the valve housing 110 includes a raw water channel and a soft water channel, the raw water channel is located between the raw water inlet 113 and the main chamber 111, the soft water channel is located between the soft water outlet 114 and the secondary chamber 112, the soft water channel connects the soft water outlet 114 and the soft water inlet 119, and the raw water channel and the soft water channel are connected or disconnected through the bypass valve 140. When the bypass valve 140 connects the raw water channel and the soft water channel, under the water inlet pressure of the raw water inlet 113 of the raw water channel, the raw water in the raw water channel can flow to the soft water channel, so as to adjust the outlet water hardness of the soft water outlet 114 by introducing raw water into the soft water channel.

[0222] A bypass valve 140 is connected between the raw water channel and the soft water channel. The bypass valve 140 has a flexible installation position, which helps to reduce the volume of the soft water valve.

[0223] In some cases, reference Figure 1As shown, the valve housing 110 is connected to a flow meter 150, which is located between the soft water inlet 119 and the bypass valve 140. The flow meter 150 is used to detect the outlet flow rate of soft water, and calculates the flow rate of raw water that needs to be introduced into the soft water channel according to the soft water hardness set by the user and the softening hardness of the soft water inlet 119, and then adjusts the opening of the bypass valve 140 to adjust the outlet water hardness according to user needs.

[0224] In some other cases, the flow meter 150 is located between the bypass valve 140 and the soft water outlet 114 , and the flow meter 150 is used to detect the water flow rate of the soft water outlet 114 .

[0225] In some cases, when the water softening device does not produce water, the raw water channel and the soft water channel can be connected through the bypass valve 140, and the user can get raw water from the soft water outlet 114.

[0226] The bypass valve 140 has various structures and can be selected according to needs. Figure 30 to Figure 32 As shown, the bypass valve 140 may be a disc valve, which has a simple structure and is easy to assemble and disassemble.

[0227] refer to Fig.30 and Fig.31 As shown, a raw water channel is formed in the first shell portion 1140 of the valve shell 110, and a soft water channel is formed in the second shell portion 1141 of the valve shell 110. The first shell portion 1140 is provided with a first connecting port 1134 connected to the raw water channel, and the second shell portion 1141 is provided with a second connecting port 1135 connected to the soft water channel. The valve shell 110 is also formed with a bypass cavity, and a bypass valve core of the bypass valve 140 is located in the bypass cavity. The bypass valve core is used to adjust the connection and disconnection of the first connecting port 1134 and the second connecting port 1135.

[0228] refer to Fig.32 As shown, the bypass valve core may include a bypass static valve plate 142 and a bypass movable valve plate 141. The bypass static valve plate 142 is provided with a first bypass opening 1421 and a second bypass opening 1422. The first bypass opening 1421 corresponds to and is connected with the first connecting port 1134, and the second bypass opening 1422 corresponds to and is connected with the second connecting port 1135; the bypass movable valve plate 141 can move to close the first bypass opening 1421 and the second bypass opening 1422. At this time, the bypass valve 140 is closed, and the raw water channel is disconnected from the soft water channel; the bypass movable valve plate 141 can move to open the first bypass opening 1421 and the second bypass opening 1422. At this time, the bypass valve 140 is opened, and the raw water channel is connected with the soft water channel. The bypass movable valve plate 141 includes a first fan-shaped portion 1411 and a second fan-shaped portion 1412 . The first fan-shaped portion 1411 is used to open and close the first bypass opening 1421 , and the second fan-shaped portion 1412 is used to open and close the second bypass opening 1422 . The structure is simple and easy to process.

[0229] The bypass movable valve plate 141 is connected to the bypass motor 143 , and the bypass motor 143 is used to drive the bypass movable valve plate 141 to rotate. The bypass movable valve plate 141 rotates to switch the state of the bypass valve 140 .

[0230] refer to Figure 30 to Figure 32 As shown, the valve housing 110 is provided with a bypass cavity, one form of which is: the valve housing 110 is formed with a bypass groove 1132, the bypass groove 1132 is connected to the first communication port 1134 and the second communication port 1135, the bypass valve core can be installed therein through the opening of the bypass groove 1132, the opening of the bypass groove 1132 is closed by a cover member 1133 to form the bypass cavity, the bypass cavity has a simple structure, and is convenient for molding the valve housing 110 and for disassembling and assembling the bypass valve 140. The bypass static valve plate 142 is sealed and connected to the inner wall of the valve housing 110 through a bypass sealing ring 144.

[0231] refer to Fig.33 As shown, the user can also take raw water through the soft water valve. At this time, the main valve core can be in the second main valve position.

[0232] Next, the structure of the valve housing 110 will be described.

[0233] refer to Figures 1 to 4 , Figure 39 to Figure 41 As shown, the valve housing 110 includes a first shell portion 1140, a second shell portion 1141 and a third shell portion 1142. A raw water channel is formed in the first shell portion 1140, a soft water channel is formed in the second shell portion 1141, and the third shell portion 1142 forms a main chamber 111 and a secondary chamber 112. The third shell portion 1142 also forms a raw water outlet 118 and a soft water inlet 119. The raw water outlet 118 and the soft water inlet 119 are located on the same side of the third shell portion 1142 to facilitate the installation of the softening device 190.

[0234] The first shell portion 1140 , the second shell portion 1141 , and the third shell portion 1142 are fixed to form an integrated valve housing 110 , thereby simplifying the structure of the valve housing 110 .

[0235] The first shell portion 1140 and the second shell portion 1141 are arranged in parallel, the third shell portion 1142 is at one end of the first shell portion 1140 and the second shell portion 1141, the main cavity 111 and the sub-cavity 112 are arranged in parallel, the main cavity 111 and the first shell portion 1140 are located on the same side (right side), and the sub-cavity 112 and the second shell portion 1141 are located on the same side (left side), and the structural distribution of the valve shell 110 is more reasonable.

[0236] One end of the first shell 1140 (raw water channel) forms a raw water inlet 113, and the other end of the first shell 1140 (raw water channel) forms a main cavity inlet 116, and the main cavity inlet 116 connects the raw water channel with the main cavity 111, and the raw water channel and the main cavity 111 remain in a connected state. The third shell 1142 is provided with a connecting channel 1111 for connecting the main cavity 111 with the secondary cavity 112, and the connecting channel 1111 remains in a connected state, that is, the main cavity 111 and the secondary cavity 112 remain in a connected state through the connecting channel 1111, and the main cavity 111 and the secondary cavity 112 are filled with raw water. Among them, the end of the connecting channel 1111 can be connected to the raw water channel, that is, the first shell 1140 is provided with a connecting port connected to the connecting channel 1111.

[0237] One end of the second shell 1141 (soft water channel) forms a soft water outlet 114, and the other end of the second shell 1141 (soft water channel) is connected to the soft water inlet 119, so that the soft water output by the softening device 190 enters the soft water channel through the soft water inlet 119 and is then discharged from the soft water outlet 114. The soft water channel and the auxiliary chamber 112 can be adjusted on and off by the auxiliary valve core. The valve housing 110 is provided with a softening connection port 1121, which corresponds to and is connected to the softening connection hole 1322 of the auxiliary static valve plate 132. The softening connection port 1121 can connect the softening connection hole 1322 and the soft water inlet 119. By switching the position of the auxiliary moving valve plate 131, the softening device 190 and other flow paths can be adjusted on and off. The softening connection port 1121 is located at the other end of the soft water channel, and the softening connection port 1121 is connected to the soft water channel, that is, the softening connection port 1121 is connected to the soft water inlet 119 through the soft water channel.

[0238] refer to Figure 1 , Figure 4 , Fig.34 and Fig.35 As shown, the third shell 1142 is formed with a main tank body and a sub-tank body, and the third shell 1142 is connected to a cover 1130, and the main tank body and the sub-tank body are closed by the cover 1130 to form a main cavity 111 and a sub-cavity 112. Among them, the main tank body and the sub-tank body can share a cover 1130, or the main tank body and the sub-tank body are each equipped with a cover 1130. Taking the main tank body and the sub-tank body sharing the cover 1130 as an example, the cover 1130 can be used to install a micro switch, which is used to detect the position of the main valve core and the sub-valve core. The main valve motor 123 and the sub-valve motor 133 are separated from the main cavity 111 and the sub-cavity 112 and the outside by the cover 1130; the shape of the cover 1130 is not limited, and can be a plate-like structure with a simple structure, or a box-like structure, which can protect the motor. In some cases, the cover body 1130 and the cover body 1131 cooperate to form a closed installation space, which can enclose the motor (at least one of the main valve motor 123 and the auxiliary valve motor 133) in the installation space to protect the motor.

[0239] refer to Figure 4 As shown, the third shell 1142 is also provided with a raw water outlet 118 and a soft water inlet 119, and the third shell 1142 is provided with a softening connection portion 1143, and the softening connection portion 1143 is used to connect the softening device 190, and the softening device 190 can be connected to the valve housing 110 by at least one of threaded connection, clamping, plug-in connection, fastener connection, etc. Figure 4 and Fig.44 As shown, the valve housing 110 is provided with an external thread, and the softening device 190 is provided with an internal thread. The softening device 190 is screwed and connected to the valve housing 110 via a threaded structure, so as to facilitate disassembly and assembly.

[0240] The third shell portion 1142 is also provided with a salt water injection port 1119, which corresponds to and is connected with the salt water injection hole 1324 of the auxiliary static valve plate 132, and the salt water injection port 1119 is connected with the jet inlet 161 of the jet channel; the third shell portion 1142 is also provided with a brine port 1120, which corresponds to and is connected with the brine outlet 1323 of the auxiliary static valve plate 132, and the brine port 1120 can be connected with the jet outlet 162 of the jet channel, and the on-off adjustment of the jet channel and other flow paths can be realized by switching the position of the auxiliary movable valve plate 131.

[0241] refer to Figure 4 As shown, the valve housing 110 (such as the third housing 1142) is provided with at least one of a first drain opening 1125 and a second drain opening 1124. The first drain opening 1125 corresponds to and is connected to the drain hole 1222 of the main valve. By controlling the position switching of the active valve disc 121, the first drain opening 1125 and the corresponding flow channel are switched, and sewage can be discharged through the first drain opening 1125. The second drain opening 1124 corresponds to and is connected to the drain hole 1321 of the auxiliary valve. By controlling the position switching of the auxiliary valve disc 131, the second drain opening 1124 and the corresponding flow channel are switched, and sewage can be discharged through the second drain opening 1124. When the valve housing 110 is further provided with a drain channel 1115, the drain channel 1115 is connected to at least one of the first drain opening 1125 and the second drain opening 1124, and the end of the drain channel 1115 forms a drain outlet 115, so that sewage is discharged along the drain outlet 115, which can simplify the drain pipeline. A flow limiting component is disposed in the sewage discharge channel 1115 to adjust the sewage discharge flow rate; the sewage discharge channel 1115 is located above the valve housing 110 .

[0242] It should be noted that when the softened material is regenerated, the main valve drain hole 1222 and the auxiliary valve drain hole 1321 work separately and will not work at the same time. When the two drain holes are connected to the drain port 115 through the drain channel 1115, when the main valve drain hole 1222 works, the auxiliary valve drain hole 1321 does not work, and there will be no sewage backflow. Similarly, when the auxiliary valve drain hole 1321 works, the main valve drain hole 1222 does not work.

[0243] refer to Fig.35 , Fig.39 and Fig.40 As shown, the valve housing 110 is further provided with an installation channel 117, in which the ejector 160 is installed, and the installation channel 117 corresponds to the salt water port 1120, and the installation channel 117 extends along the salt water port 1120 in a direction away from the third shell portion 1142 to facilitate the installation of the ejector 160. The valve housing 110 is also provided with an opening corresponding to the suction port 163 of the ejector 160, and the valve housing 110 is connected to the salt water injection joint through the opening.

[0244] refer to Fig.35 and Fig.40 As shown, the valve housing 110 is further provided with a filter channel 1118, the filter channel 1118 corresponds to the salt water injection port 1119, the filter channel 1118 is connected to the jet inlet 161 of the ejector 160, the filter channel 1118 extends along the salt water injection port 1119 in a direction away from the third shell portion 1142, and the extension direction of the filter channel 1118 is the same as the extension direction of the installation channel 117, such as the filter channel 1118 and the installation channel 117 are arranged up and down, that is, the salt water injection port 1119 and the salt water port 1120 are arranged up and down. The valve housing 110 is connected with an end cover 170, the end cover 170 is covered at the ends of the filter channel 1118 and the installation channel 117, and a connecting groove is formed in the end cover 170, and the connecting groove connects the filter channel 1118 and the jet inlet 161 of the ejector 160.

[0245] There are two flow channels for absorbing salt at the bottom of the two chambers of the valve head, which are respectively connected to the two holes of the static porcelain plate of the auxiliary chamber 112, and are equipped with a filter screen and a venturi. The process port is also sealed with the help of a venturi cover.

[0246] refer to Fig.39 and Fig.40As shown, when the valve housing 110 is provided with a drain channel 1115, the extension direction of the drain channel 1115 can be the same as that of the installation channel 117, and the drain channel 1115 can be arranged vertically and horizontally with the installation channel 117, so that one end of the drain channel 1115 forms a drain process port 1117, and the drain process port 1117 and the end of the installation channel 117 are closed by the same end cap 170, so that the drain channel 1115 forms a drain port 115 from the other end, which is convenient for the processing of the valve housing 110 and makes the pipeline distribution outside the soft water valve more reasonable. Of course, the processing method of the drain channel 1115 is not limited to the above, and reference Figure 1 , Fig.35 and Fig.41 As shown, the valve housing 110 can also form a drain groove 1116, and a first opening is formed in the length direction of the drain groove 1116. The cover 1113 is covered on the shell to close the first opening. The drain groove 1116 is closed by the cover 1113 to form a drain channel 1115. A drain port 115 is formed at one end of the drain groove 1116, and the other end of the drain groove 1116 is closed. The position of the drain port 115 can be set on the opposite side of the installation channel 117. The function of the drain channel 1115 is the same as the above content. The structural form of the drain channel 1115 is different. The structure of the drain channel 1115 is not limited to the aforementioned structural form, and can also be selected according to needs.

[0247] When the valve housing 110 is provided with a communication channel 1111, the extending direction of the communication channel 1111 may be, but is not limited to, the same as the drain channel 1115. Figure 1 , Fig.41 As shown, the valve housing 110 may form a connecting groove 1112, and a second opening is formed in the length direction of the connecting groove 1112. A cover 1113 is provided on the housing to close the second opening. The connecting groove 1112 may also be closed by the cover 1113 to form a connecting passage 1111, so that a connecting passage 1111 connecting the main chamber 111 and the auxiliary chamber 112 is formed in the valve housing 110; the extending direction of the connecting groove 1112 may be the same as that of the sewage groove 1116, and the connecting groove 1112 and the sewage groove 1116 may use the same cover 1113 or each may be provided with an independent cover 1113, which may be selected according to the needs. Fig.39 and Fig.40 As shown, the end of the communication channel 1111 may also form a communication process port 1114, and the communication process port 1114 may be closed by the end cover 170. The end of the communication channel 1111 facing away from the second opening may be connected to the raw water channel, or the communication channel 1111 may be connected to the raw water channel through the main cavity 111, and the communication channel 1111 may make the main cavity 111 and the secondary cavity 112 always filled with raw water. The communication channel 1111 may be arranged at the bottom of the valve housing 110 (refer to Fig.39 and Fig.40 ) or the top (reference Figure 1 and Fig.41).

[0248] In some cases, reference Fig.39 and Fig.40 As shown, the valve housing 110 forms a connecting channel 1111 with an open end, and the connecting channel 1111 is closed by an end cover 170. The connecting channel 1111 can share the end cover 170 with at least one of the above-mentioned installation channel 117, the filter channel 1118, and the sewage channel 1115, or an independent plug can be provided to close the opening of the connecting channel 1111.

[0249] The above content describes the structure of the valve housing 110 . Next, the structures of the main valve assembly 120 and the auxiliary valve assembly 130 will be described.

[0250] Main valve assembly 120:

[0251] refer to Figures 5 to 28 As shown, the main valve assembly 120 includes a main valve core and a main drive unit. The main valve core includes a main static valve plate 122 and an active valve plate 121. The main static valve plate 122 is fixed in the main cavity 111 of the valve housing 110, and the active valve plate 121 is rotatably arranged in the main cavity 111. The active valve plate 121 is provided with a main valve water inlet 1211, and the main static valve plate 122 is provided with a water through hole 1221. When the active valve plate 121 is rotated to connect the main valve water inlet 1211 with the water through hole 1221, the water flow channel 124 of the main valve core can be connected, and the raw water in the main cavity 111 can pass through the raw water outlet 118 of the main valve core flow channel, and is sent to the softening device 190 through the raw water outlet 118.

[0252] When the main valve water inlet 1211 is connected to the water hole 1221 , the main valve water inlet 1211 faces the main cavity inlet 116 , so that the raw water can smoothly pass through the main valve core and flow to the raw water outlet 118 .

[0253] In some cases, the main valve assembly 120 also has a sewage discharge function. The main static valve plate 122 is provided with a main valve sewage discharge hole 1222, and the active valve plate 121 is provided with a main valve first groove body 1212. The active valve plate 121 moves to the main valve first groove body 1212 to connect the main valve sewage discharge hole 1222 with the water hole 1221, thereby forming a first sewage discharge channel 125. The sewage in the softening device 190 enters the soft water valve through the raw water outlet 118, and then flows to the sewage discharge channel 1115 of the valve housing 110 through the water hole 1221, the main valve first groove body 1212 and the main valve sewage discharge hole 1222.

[0254] The main valve assembly 120 may switch between functions of supplying water to the softening device 190 and draining water from the softening device 190 .

[0255] In some cases, the active valve disc 121 is provided with a main valve second groove 1213, which can reduce the contact area between the main static valve disc 122 and the active valve disc 121, reduce the friction resistance of the active valve disc 121 relative to the main static valve disc 122, and reduce the torque of the main drive unit.

[0256] refer to Fig.43 As shown, when the main valve core includes the second main valve position, the active valve disc 121 plays the role of closing the water hole 1221 of the main static valve disc 122, and the water hole 1221 can be closed by the surface of the active valve disc 121. When the active valve disc 121 is provided with the second main valve groove 1213, the second main valve groove 1213 can also close the water hole 1221. Among them, the positive projection of the water hole 1221 on the active valve disc 121 is located in the second main valve groove 1213, which can also be understood that the opening area of ​​the second main valve groove 1213 is larger than the flow area of ​​the water hole 1221, which can ensure the closing effect of the water hole 1221.

[0257] refer to Fig.43 As shown, the main static valve plate 122 is also provided with a guide groove 1223, which extends along the edge of the main static valve plate 122 toward the inside of the main static valve plate 122, and the guide groove 1223 is located on the side of the main static valve plate 122 facing the active valve plate 121. The guide groove 1223 can guide the water in the main cavity to between the main static valve plate 122 and the active valve plate 121, so as to reduce the contact area between the main static valve plate 122 and the active valve plate 121, and balance the water pressure between the main static valve plate 122 and the active valve plate 121 and the outside thereof.

[0258] When the active valve plate 121 is provided with a main valve water inlet 1211, a main valve first groove body 1212 and a main valve second groove body 1213, and the structural strength of the active valve plate 121 is met, the active valve plate 121 can also be provided with a process groove to reduce the contact area between the active valve plate 121 and the main static valve plate 122.

[0259] When the main valve core is in the first main valve position, the positive projection of the main valve drain hole 1222 on the active valve plate 121 is located in the main valve first groove body 1212, the main valve second groove body 1213 or the process groove. The main valve drain hole 1222 is closed by the groove, which can optimize the sealing effect of the main valve drain hole 1222.

[0260] The main driving part includes a main valve motor 123 and a main shaft assembly 126. The active valve disc 121 is connected to the main shaft assembly 126. The main shaft assembly 126 is connected to the output shaft of the main valve motor 123. The main valve motor 123 drives the active valve disc 121 to rotate relative to the main static valve disc 122. The active valve disc 121 is also provided with a shielding portion 1214, which is located at the end of the main shaft assembly 126. The shielding portion 1214 is between the main valve water inlet 1211 and the main shaft assembly 126, and the shielding portion 1214 plays a role in protecting the main shaft assembly 126.

[0261] Auxiliary valve assembly 130:

[0262] refer to Figures 5 to 28 As shown, the auxiliary valve assembly 130 includes an auxiliary valve core and an auxiliary driving part. The auxiliary driving part is used to drive the auxiliary valve core to rotate. The flow channel structure of the auxiliary valve core is different from that of the main valve core, and the structure of the auxiliary driving part is similar to that of the main driving part.

[0263] The auxiliary valve core includes an auxiliary static valve plate 132 and an auxiliary movable valve plate 131. The auxiliary static valve plate 132 is fixed in the auxiliary cavity 112. The auxiliary movable valve plate 131 is located in the auxiliary cavity 112 and can rotate relative to the auxiliary static valve plate 132 to adjust the opening and closing of the flow channel of the auxiliary valve core.

[0264] The auxiliary static valve disc 132 is provided with a softening connection hole 1322, a salt absorption water injection hole 1324 and a salt water outlet 1323, and the auxiliary movable valve disc 131 is provided with an auxiliary valve water inlet 1314, an auxiliary valve first slot body 1311 and an auxiliary valve third slot body 1313. The auxiliary valve water inlet 1314 is connected with the auxiliary cavity 112, the auxiliary valve first slot body 1311 extends a preset length along the circumference of the auxiliary movable valve disc 131, and the auxiliary valve third slot body 1313 extends a preset length along the radial direction of the auxiliary movable valve disc 131. The salt water outlet 1323 can always keep in communication with the auxiliary valve third slot body 1313, such as the salt water outlet 1323 is located at the center of the auxiliary static valve disc 132, and the softening connection hole 1322 and the salt absorption water injection hole 1324 are distributed along the circumference of the auxiliary static valve disc 132. Among them, the notch on the side of the auxiliary movable valve disc 131 forms the auxiliary valve water inlet 1314.

[0265] The auxiliary valve disc 131 can be rotated until the openings of the auxiliary static valve disc 132 are all closed by the groove of the auxiliary valve disc 131. At this time, the flow channels in the auxiliary valve core are all disconnected; or, the auxiliary valve disc 131 is rotated to make the first groove body 1311 of the auxiliary valve connect the softening connection hole 1322 and the salt absorption water injection hole 1324, so that the softening device 190 is connected with the salt box connection port 1110 through the ejector 160, and water can be injected into the salt box connection port 1110; or, the auxiliary valve disc 131 is rotated to make the auxiliary valve water inlet 1314 connect the salt absorption water injection port 1119, and the auxiliary valve third groove body 1313 connects the softening connection hole 1322 and the salt water outlet Or, the auxiliary valve disc 131 is rotated to make the auxiliary valve inlet 1314 communicate with the softening connection hole 1322, and the raw water in the auxiliary chamber 112 enters the softening device 190 through the auxiliary valve water inlet 1314 and the softening connection hole 1322.

[0266] Based on the above, reference Fig.12 and Fig.42 As shown, two auxiliary valve water inlets 1314 can be set, so that the softening connection hole 1322 and the salt absorption water injection hole 1324 are both provided with corresponding auxiliary valve water inlets 1314, and the two auxiliary valve water inlets 1314 can be independent of each other or interconnected; when the two auxiliary valve water inlets 1314 are connected, the pressure between the auxiliary static valve plate 132 and the auxiliary moving valve plate 131 and in the auxiliary cavity 112 can be balanced, thereby reducing the torque of the auxiliary moving valve plate 131 rotating.

[0267] In some cases, the auxiliary static valve plate 132 is further provided with an auxiliary valve drain hole 1321 , which can be connected to the softening connection hole 1322 through the auxiliary valve first groove body 1311 to discharge water in the softening device 190 through the auxiliary valve drain hole 1321 .

[0268] In some cases, the auxiliary valve disc 131 is also provided with an auxiliary valve second groove body 1312. The auxiliary valve second groove body 1312 is a process groove. Under the condition of meeting the structural strength of the auxiliary valve disc 131, the auxiliary valve first groove body 1311, the auxiliary valve third groove body 1313 and the auxiliary valve water inlet 1314 can be avoided. The auxiliary valve second groove body 1312 can be opened to reduce the contact area between the auxiliary valve disc 131 and the auxiliary static valve disc 132.

[0269] The auxiliary static valve plate is provided with a plurality of auxiliary valve through holes, and the auxiliary movable valve plate is provided with a plurality of auxiliary valve grooves. The orthographic projections of the auxiliary valve through holes on the auxiliary movable valve plate are located in the auxiliary valve grooves.

[0270] When the auxiliary valve through holes of the auxiliary static valve plate 132 do not need to be connected, the orthographic projection of the auxiliary valve through holes on the auxiliary movable valve plate 131 is located in the auxiliary valve groove of the auxiliary movable valve plate 131 (the auxiliary valve groove includes the auxiliary valve first groove body 1311, the auxiliary valve second groove body 1312 or the auxiliary valve third groove body 1313), thereby ensuring the sealing performance of each auxiliary valve through hole.

[0271] The main valve core and the auxiliary valve core are both sealed and connected to the valve housing 110. The main sleeve 1261 is sleeved on the outer side of the main shaft assembly 126 of the main valve core. The main sleeve 1261 is sealed and connected to the inner wall of the main cavity 111 through the main sleeve sealing ring. The auxiliary sleeve 1391 is sleeved on the outer side of the auxiliary shaft assembly 139 of the auxiliary valve core. The auxiliary sleeve 1391 is sealed and connected to the inner wall of the auxiliary cavity 112 through the auxiliary sleeve sealing ring. Both valve cores are driven by the motor to rotate the corresponding shaft assembly, and cooperate with the valve plate to form waterway structures in different states to achieve different functions. A main valve seal 127 is set between the main static valve plate 122 and the inner wall of the main cavity 111, and an auxiliary valve seal 1392 is set between the auxiliary static valve plate 132 and the inner wall of the auxiliary cavity 112 to avoid leakage between adjacent openings and prevent water from mixing between different holes. The main static valve plate 122 and the auxiliary static valve plate 132 are also designed with fixing grooves or holes for fixing to the valve housing 110.

[0272] The surfaces opposite to each other of the active valve disc 121 and the main static valve disc 122 have three slots. The slots of the active valve disc 121 are used to be fixedly connected to the main shaft assembly 126 , and the slots of the main static valve disc 122 are used to be fixedly connected to the valve housing 110 .

[0273] On the side where the active valve disc 121 contacts the main static valve disc 122, the active valve disc 121 is distributed in a large fan shape, with a large main valve water inlet 1211 on the side. The main valve water inlet 1211 is also distributed in a fan shape, and the water in the main cavity 111 can enter the main static valve disc 122 through the main valve water inlet 1211. At the same time, the active valve disc 121 is also designed with two slots. By rotating the active valve disc 121, the slots of the active valve disc 121 can connect or disconnect the water hole 1221 of the main static valve disc 122 and the main valve drain hole 1222 to achieve the connection or disconnection of the corresponding flow channel. The flow area of ​​the water inlet of the main static valve disc 122 is large, which is mainly used for water production. The flow area of ​​the main valve drain hole 1222 is small, which can reduce the drain flow rate.

[0274] The side where the auxiliary moving valve disc 131 contacts the auxiliary static valve disc 132 is provided with two auxiliary valve water inlets 1314, and is also designed with an auxiliary valve first slot 1311 and an auxiliary valve third slot 1313. The auxiliary valve first slot 1311 and the auxiliary valve third slot 1313 are used to adjust the opening and closing of different holes of the auxiliary static valve disc 132, so as to adjust the opening and closing of the water flow channel in the auxiliary valve core, and the water in the flow channel will not mix with the water in the auxiliary cavity 112. The auxiliary static valve disc 132 is distributed with an auxiliary valve drain hole 1321, a softening connection hole 1322, a salt absorption water injection hole 1324 and a salt water outlet 1323.

[0275] Based on the above content, the water softener is connected to the user's main pipeline through a soft water valve. The design concept of the soft water valve in the embodiment of the present invention is that two chambers, a main chamber 111 and a sub-chamber 112, are formed in the valve housing 110. Each chamber is equipped with a valve assembly, that is, the main chamber 111 is equipped with a main valve assembly 120, and the sub-chamber 112 is equipped with a sub-valve assembly 130. The main valve assembly 120 cooperates with the sub-valve assembly 130 to realize the function of the soft water valve, which can reduce the volume of the soft water valve, help increase the soft water outlet flow of the soft water valve, and simplify the structure of the valve plate.

[0276] The internal space and structural composition of the main chamber 111 and the auxiliary chamber 112 are basically the same, and the difference between the two chambers is the different hole structure, quantity, and position, that is, the main chamber 111 and the auxiliary chamber 112 have different functions. The two chamber structures are circular structures, and the left and right chambers are arranged horizontally. The axial direction of the chamber (the direction of the corresponding rotation axis of the valve assembly) is horizontal, and the resin tank connected to the bottom is vertically distributed. Correspondingly, the resin tank is placed vertically in the water softener.

[0277] The above content explains the structure of the water softener. The water softener can be used in a water softener and cooperates with the softening device and salt box in the water softener to soften the raw water and make it convenient for users to use soft water.

[0278] The embodiment of the second aspect of the present invention, referring to Fig.44 As shown, a water softener is provided, including a softening device and a softening valve in any one of the above embodiments, the inlet of the softening device is connected to the raw water outlet, and the outlet of the softening device is connected to the soft water inlet, so as to realize water flow regulation between the softening valve and the softening device.

[0279] The softening device is located below the valve housing of the water softener, and the space layout inside the water softener is reasonable. The softening device can be a resin tank, and the resin material in the resin tank can be regenerated as needed to ensure the softening effect.

[0280] The softening connection part of the water softener is provided with a threaded hole, and the resin tank is connected to the inside of the water softener through the threaded hole. At present, most of the resin tank inlets use 2.5-inch standard threaded holes, so the threaded hole of the water softener matches it. The threaded part mainly consists of two openings, a center hole, which is connected to the water outlet pipe in the resin tank, and an outlet is provided on the periphery of the center hole. The outlet is used to send the raw water in the water softener into the resin tank. The resin tank is filled with resin. The tap water in the resin tank will flow into the soft water inlet of the water softener from the center hole, that is, the soft water outlet of the resin tank, through the resin filtration, and finally flow out from the soft water outlet of the water softener for users to use.

[0281] Fig.44 The dotted line with an arrow in the middle indicates the flow path of raw water entering the resin tank from above and then sending soft water upward through the outlet pipe of the resin tank.

[0282] The water softener also includes a salt box, which is connected to the water softening valve through a salt box connection port. The salt box can be arranged in parallel with the softening device. The position of the salt box is flexible and can be arranged according to needs.

[0283] The water softener is mounted on the resin tank, and a salt tank 200 is provided next to the resin tank. The salt tank connection port of the water softener is connected to the salt tank through a hose. When absorbing salt, the salt water in the salt tank can be sucked into the water softener through the ejector. When filling the salt tank with water, the water in the water softener is also injected into the salt tank through the pipeline.

[0284] By using the water softening valve in the above embodiment, the water softening device and the salt box in the water softener can be replaced to increase the water flow rate of the soft water. Of course, after replacing the water softening valve, the structure and shape of other components in the water softener can also be adjusted adaptively.

[0285] There are two 1-inch pipe interfaces on the front of the entire shell of the water softener, which are divided into an inlet pipe and an outlet pipe. The inlet pipe is connected to external tap water, and the raw water inlet is connected with the internal space of the valve shell through the inlet pipe, so that the raw water flows into the soft water valve. The soft water flowing out of the soft water valve flows out through the outlet pipe and the soft water outlet for user use.

[0286] The embodiment of the present invention can realize the water path adjustment of the water softener in different states. The whole valve head has a compact structure and adopts a ceramic design, which has high reliability and stable operation. The multifunctional water softener valve adopts a two-cavity design, the valve body flow channel structure is simple and ingenious, the appearance structure has a strong integrity, and is helpful to reduce the volume.

[0287] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A soft water valve, characterized in that: include: A valve housing, including a raw water inlet, a soft water outlet, a main chamber, a secondary chamber, a raw water outlet, a soft water inlet and a salt tank connection port; The raw water outlet and the soft water inlet can be connected via a softening device, the secondary chamber is connected to the raw water inlet, and the soft water outlet is connected to the soft water inlet; A main valve assembly, comprising a main valve core and a main driving part for driving the main valve core to move, wherein the main valve core is located in the main cavity; The auxiliary valve assembly comprises an auxiliary valve core and an auxiliary driving part for driving the auxiliary valve core to move, wherein the auxiliary valve core is located in the auxiliary cavity; An ejector connected to the valve housing, the ejector being provided with a jet channel, the jet channel comprising a jet inlet, a jet outlet and a suction port which are connected to each other, the suction port being connected to the salt box connection port, and the jet channel and the soft water inlet being adjustable through the auxiliary valve core; The auxiliary valve core includes an auxiliary movable valve plate and an auxiliary static valve plate, the auxiliary driving part is connected to the auxiliary movable valve plate and is used to drive the auxiliary movable valve plate to move relative to the auxiliary static valve plate, the auxiliary static valve plate is fixed to the valve housing, the auxiliary movable valve plate includes an auxiliary valve first slot body, an auxiliary valve third slot body and an auxiliary valve water inlet, the auxiliary static valve plate includes a softening connection hole, a salt water injection hole and a salt water outlet, the softening connection hole is connected to the soft water inlet, the salt water injection hole is connected to the jet inlet, and the salt water outlet is connected to the jet outlet; The soft water valve includes a water production mode, a water injection mode and a salt absorption mode; In the water injection mode, the salt absorption water injection hole is connected to the softening connection hole or the auxiliary cavity through the auxiliary valve plate; In the salt absorption mode, the third slot of the auxiliary valve is connected to the softening connection hole and the brine outlet, and the water inlet of the auxiliary valve is connected to the salt absorption water injection hole, so that the auxiliary cavity, the water inlet of the auxiliary valve, the salt absorption water injection hole, the jet inlet, the jet outlet, the brine outlet, the third slot of the auxiliary valve, the softening connection hole, and the soft water inlet are connected.

2. The soft water valve according to claim 1, characterized in that: The first groove body of the auxiliary valve extends along the circumference of the auxiliary moving valve plate by a preset length, and the softening connection holes and the salt absorption and water injection holes are distributed at intervals in the circumference of the auxiliary static valve plate; The third slot of the auxiliary valve extends a preset length along the radial direction of the auxiliary movable valve plate, and the auxiliary movable valve plate can be rotated to one of the softening connection hole and the salt absorption and water injection hole to communicate with the salt water outlet through the third slot of the auxiliary valve; In the water injection mode, the salt absorption water injection hole is connected to the softening connection hole through the first slot body of the auxiliary valve.

3. The soft water valve according to claim 2, characterized in that: The brine outlet is in communication with the third tank body of the auxiliary valve.

4. The soft water valve according to claim 1, characterized in that: The soft water valve includes a backwash mode, in which the water inlet of the auxiliary valve is connected to the softening connection hole.

5. The soft water valve according to claim 1, characterized in that: The valve housing is provided with a sewage outlet, and the auxiliary static valve plate is also provided with an auxiliary valve sewage outlet hole, the auxiliary valve sewage outlet hole is connected with the sewage outlet, and the auxiliary valve first slot body and the auxiliary valve third slot body can be opened and closed with the auxiliary valve sewage outlet hole.

6. The water softening valve according to claim 5, characterized in that: The soft water valve includes a positive wash mode. In the positive wash mode, the auxiliary valve drain hole is connected to the softening connection hole through the auxiliary valve first groove body.

7. The soft water valve according to claim 1, characterized in that: In the water production mode, the auxiliary valve plate closes the softening connection hole.

8. The water softening valve according to any one of claims 1 to 7, characterized in that: The auxiliary movable valve disc is provided with an auxiliary valve second slot body, and the auxiliary movable valve disc can be switched between a plurality of auxiliary valve positions relative to the auxiliary static valve disc. In the auxiliary valve position, the orthographic projection of the softening connection hole on the auxiliary movable valve disc is located in one of the auxiliary valve first slot body, the auxiliary valve second slot body, the auxiliary valve third slot body, and the auxiliary valve water inlet, the orthographic projection of the auxiliary movable valve disc is located in one of the auxiliary valve first slot body, the auxiliary valve second slot body, the auxiliary valve third slot body, and the auxiliary valve water inlet, and the orthographic projection of the brine outlet on the auxiliary movable valve disc is located in one of the auxiliary valve first slot body, the auxiliary valve second slot body, and the auxiliary valve third slot body.

9. The water softening valve according to claim 8, characterized in that: Based on the fact that the valve housing is provided with a drain port, the auxiliary static valve plate is also provided with an auxiliary valve drain hole. At the auxiliary valve position, the auxiliary valve drain hole has its orthographic projection on the auxiliary static valve plate located in one of the auxiliary valve first slot body, the auxiliary valve second slot body and the auxiliary valve third slot body.

10. The soft water valve according to any one of claims 1 to 7, characterized in that: The main valve core comprises a main static valve plate and an active valve plate, the main static valve plate is fixed to the valve housing, and the main driving part is connected to the active valve plate and is used to drive the active valve plate to rotate relative to the main static valve plate.

11. The soft water valve according to claim 10, characterized in that: The main static valve plate is constructed with a water through hole and a main valve drain hole, the water through hole is connected to the raw water outlet, the main valve drain hole is connected to the drain port of the valve housing, the active valve plate is constructed with a main valve water inlet and a main valve first slot body, the main valve water inlet is connected to the main cavity, the main cavity is connected to the raw water inlet, the main valve water inlet and the water through hole can be connected and disconnected, and the main valve first slot body can connect and disconnect the water through hole and the main valve drain hole.

12. The soft water valve according to claim 11, characterized in that: In the water production mode and the water injection mode, the water hole is connected to the water inlet of the main valve, and the water hole is disconnected from the sewage discharge hole of the main valve; In the salt absorption mode, the first slot of the main valve is connected to the water hole and the sewage discharge hole of the main valve, and the water hole is disconnected from the water inlet of the main valve.

13. The soft water valve according to claim 11, characterized in that: Based on the main valve water inlet being disconnected from the water through hole, at least one of the water through hole and the main valve drain hole being disconnected from the first slot of the main valve, the auxiliary driving part can drive the auxiliary moving valve plate to rotate relative to the auxiliary static valve plate.

14. The soft water valve according to claim 13, characterized in that: The active valve plate is provided with a second groove body of the main valve, and the water hole is closed by the second groove body of the main valve to disconnect the water hole from the water inlet hole of the main valve and the water hole from the sewage discharge hole of the main valve.

15. The water softening valve according to any one of claims 1 to 7, characterized in that: The valve housing is provided with a communication passage, the communication passage communicates the main chamber with the auxiliary chamber, and the auxiliary chamber is communicated with the raw water inlet through the main chamber.

16. A water softener, characterized in that: It comprises a softening device and the soft water valve according to any one of claims 1 to 15, wherein the softening device connects the raw water outlet with the soft water inlet.

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