Water softener salt box and water softener

Abstract

The utility model belongs to the technical field of water purification equipment, and discloses a salt box of a water softener and the water softener. The salt box of the water softener comprises a box body, a box cover, a salt valve and a salt deficiency reminding piece, the box body is provided with a salt containing cavity, the box cover is detachably connected to the box body and can open and close an opening of the salt containing cavity, the salt valve is installed on the side, facing the box body, of the box cover so that the salt valve can be placed in the salt containing cavity, and the salt deficiency reminding piece is installed on the box cover and can remind the salt valve to be placed in the salt containing cavity. And the salt valve and the salt shortage reminding piece can be detached from the box body along with the box cover. According to the salt valve of the water softener, by arranging the salt deficiency reminding piece, a user can be reminded to supplement salt in time when salt in the salt box of the water softener is insufficient, and by installing the salt valve and the salt deficiency reminding piece on the box cover, the salt valve and the salt deficiency reminding piece can be disassembled together when the box cover is disassembled; when the box cover is mounted, the salt valve and the salt shortage reminding piece are assembled on the box body together, so that the disassembly and assembly efficiency and the cleaning efficiency are improved, the disassembly and assembly difficulty is reduced, and the use experience of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification equipment, in particular to a salt box for a water softener and a water softener. Background Art

[0002] A water softener is a water purification device that reduces the hardness of water quality and improves the taste and feel of water quality. Existing water softeners are mainly divided into two types according to the water purification principle: the first type is a water softener using the ion exchange method, which mainly removes calcium ions and magnesium ions in water through ion exchange resin; the second type is a water softener using the physical packing method, which mainly uses a nanocrystalline high-energy polymerization sphere to pack calcium ions, magnesium ions, bicarbonate radicals, etc. in water to generate water-insoluble nanoscale crystals, thereby inhibiting the production of water scale.

[0003] For a water softener using the ion exchange method, the salt box is an indispensable component for the desalination step. There is salt in the salt box for flushing the ion exchange resin. The salt is a consumable, so the salt box needs to be refilled with salt regularly. The salt box needs to be cleaned regularly to ensure the cleanliness of the internal environment. After the existing salt box is opened, many components placed in the box body need to be removed one by one, which is inconvenient and has low disassembly and assembly efficiency, making it difficult to clean the salt box. Summary of the Utility Model

[0004] The first object of the utility model is to provide a salt box for a water softener, which is convenient for disassembly and assembly, has high disassembly and assembly efficiency, is convenient for cleaning, and provides a good user experience.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A salt box for a water softener, comprising: a box body having a salt placement cavity; a box cover detachably connected to the box body and capable of opening and closing the opening of the salt placement cavity; a salt valve installed on the side of the box cover facing the box body, so that the salt valve can be placed in the salt placement cavity; a salt shortage reminder installed on the box cover; wherein, the salt valve and the salt shortage reminder can be removed from the box body together with the box cover.

[0007] Preferably, the box cover includes an annular installation part and a boss installation part provided on the radial side of the annular installation part. The annular installation part is provided with an annular groove for the end of the box body to be inserted, and the boss installation part is used for installing the salt valve and / or the salt shortage reminder.

[0008] Preferably, the box cover includes a first boss installation part which is snap-connected to the salt valve; and / or, the box cover includes a second boss installation part which is snap-connected to the salt shortage reminder.

[0009] Preferably, an installation cavity is formed on the second boss installation part, the salt shortage reminder is placed in the installation cavity, and at least one elastic clamping part is arranged at the edge of the salt shortage reminder.

[0010] Preferably, at least one insertion slot part is arranged on one of the first boss installation part and the salt valve, and at least one insertion buckle part is arranged on the other, and the insertion buckle part and the insertion slot part are inserted correspondingly one by one.

[0011] Preferably, the soft water machine salt box further includes a control component. A placement tabletop is arranged on the box body, and an accommodation cavity for installing the control component is formed between the box cover and the placement tabletop.

[0012] Preferably, the soft water machine salt box further includes a power cord, and the power cord is electrically connected to both the control component and the salt shortage reminder; a wire groove for accommodating the power cord is arranged on the box cover; and / or, a clamping part for clamping the power cord is arranged on the box cover.

[0013] Preferably, the soft water machine salt box further includes a first joint, a second joint and a salt suction pipe. The first joint is communicated with the water inlet and outlet of the salt valve, the second joint is communicated with one end of the salt suction pipe, the first joint and the second joint are detachably communicated, and the other end of the salt suction pipe extends outside the soft water machine salt box through an avoidance structure arranged on the box body.

[0014] Preferably, the soft water machine salt box further includes a salt adding cover. The box cover is of an annular structure, a salt adding port is formed on the inner wall surface of the annular structure, and the salt adding cover is detachably connected to the salt adding port.

[0015] The second object of the present utility model is to provide a soft water machine, the soft water machine salt box of which is convenient to disassemble and assemble, has high disassembly and assembly efficiency, is convenient to clean, and has good user experience.

[0016] To achieve this purpose, the present utility model adopts the following technical solutions:

[0017] A soft water machine includes a main machine and the above-mentioned soft water machine salt box, and the main machine is communicated with the soft water machine salt box.

[0018] The beneficial effects of the present utility model:

[0019] The salt tank of the water softener provided by the present utility model includes a box body, a box cover, a salt valve, and a salt shortage reminder. The box body has a salt placement cavity. The box cover is detachably connected to the box body and can open and close the opening of the salt placement cavity. The salt valve is installed on the side of the box cover facing the box body, so that the salt valve can be placed in the salt placement cavity. The salt shortage reminder is installed on the box cover, and the salt valve and the salt shortage reminder can be detached from the box body together with the box cover. By providing the salt shortage reminder, the salt valve of the water softener can timely remind the user to replenish salt when the salt in the salt tank of the water softener is insufficient. And by installing both the salt valve and the salt shortage reminder on the box cover, when the inside of the box body of the salt tank of the water softener needs to be cleaned, the salt valve and the salt shortage reminder can be detached together when the box cover is detached, and after the cleaning of the box body is completed, the salt valve and the salt shortage reminder can be assembled onto the box body together when the box cover is installed, which improves the disassembly and assembly efficiency and the cleaning efficiency, reduces the disassembly and assembly difficulty, and improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the salt tank of the water softener provided by an embodiment of the present utility model;

[0021] Figure 2 is a rear view of the salt tank of the water softener provided by an embodiment of the present utility model;

[0022] Figure 3 is a top view of the salt tank of the water softener provided by an embodiment of the present utility model;

[0023] Figure 4 is a schematic diagram of the box body, the control component, and the power cord provided by an embodiment of the present utility model;

[0024] Figure 5 is a schematic diagram of the salt tank of the water softener after removing the box body provided by an embodiment of the present utility model;

[0025] Figure 6 is Figure 5 a schematic diagram after assembling the shown structure and the salt adding cover;

[0026] Figure 7 is Figure 6 a bottom view of the shown structure;

[0027] Figure 8 is a schematic diagram of the box cover provided by an embodiment of the present utility model;

[0028] Figure 9 is Figure 8 a bottom view of the shown structure;

[0029] Figure 10 is Figure 8 a top view of the shown structure;

[0030] Figure 11 is a schematic diagram of the salt valve provided by an embodiment of the present utility model;

[0031] Figure 12 It is a schematic diagram of the salt shortage reminder provided by the embodiment of the present utility model.

[0032] In the figure:

[0033] 100, box body; 101, salt placement cavity; 110, insertion ring edge; 111, notch; 120, annular platform; 130, salt partition board;

[0034] 200, box cover; 201, salt addition port; 210, annular installation part; 211, annular groove; 212, clamping part; 220, first boss installation part; 221, insertion card slot part; 230, second boss installation part; 231, installation cavity; 232, wire hole; 240, card slot structure;

[0035] 300, salt valve; 310, insertion snap part;

[0036] 400, salt shortage reminder; 410, elastic clamping part;

[0037] 500, salt addition cover; 510, handle structure;

[0038] 610, salt suction pipe; 620, first joint; 630, second joint;

[0039] 700, overflow pipe;

[0040] 800, control component;

[0041] 900, power cord. Detailed implementation manners

[0042] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the sake of description, only parts related to the present utility model rather than all structures are shown in the drawings.

[0043] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0044] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is less than that of the second feature.

[0045] In the description of this embodiment, the terms "upper", "lower", "right", etc., the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, 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 construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0046] The present utility model provides a salt box for a water softener, as Figures 1 to 7 shown. The salt box for the water softener includes a box body 100, a box cover 200, a salt valve 300 and a salt shortage reminder 400. The box body 100 has a salt placement cavity 101 for placing salt, and the salt placement cavity 101 has an opening. In some embodiments, the top of the salt placement cavity 101 is open. Of course, the salt placement cavity 101 can also be open on the side. The box cover 200 is detachably connected to the box body 100 and can open and close the opening of the salt placement cavity 101. The detachable connection methods include but are not limited to snap connection, magnetic attraction connection, plug connection, etc. Snap connection makes the salt box for the water softener overall beautiful and convenient for disassembly and assembly. The salt valve 300 is installed on the side of the box cover 200 facing the box body 100, so that the salt valve 300 can be placed in the salt placement cavity 101. It should be noted that the structure of the salt valve 300 is prior art and will not be described in detail here. The salt shortage reminder 400 is used to send a reminder message when the salt in the salt placement cavity 101 is insufficient. The salt shortage reminder 400 is installed on the box cover 200. Optionally, the salt shortage reminder 400 can be a light source capable of emitting a light signal representing salt shortage, or a buzzer capable of emitting a sound signal for salt shortage, or a vibrator capable of emitting a vibration signal for salt shortage. By installing both the salt valve 300 and the salt shortage reminder 400 on the box cover 200, the salt valve 300 and the salt shortage reminder 400 can be detached from the box body 100 together with the box cover 200.

[0047] Compared with the prior art where the lid of the box needs to be manually opened to observe the amount of salt in the box, the salt valve 300 of the water softener provided by the present utility model is provided with a salt shortage reminder member 400. By using the salt shortage reminder member 400 to send a salt shortage signal, it can timely remind the user to replenish salt when the salt in the salt box of the water softener is insufficient, avoiding the situation that the normal salt washing step of the water softener is affected due to insufficient salt. And in the embodiment of the present utility model, when it is necessary to clean the salt placement cavity 101 in the box body 100 of the water softener salt box, by installing both the salt valve 300 and the salt shortage reminder member 400 on the lid 200, it can be realized that when the lid 200 is disassembled, the salt valve 300 and the salt shortage reminder member 400 are disassembled together, without having to disassemble the lid 200, the salt valve 300 and the salt shortage reminder member 400 one by one; and after the cleaning of the salt placement cavity 101 of the box body 100 is completed, when the lid 200 is installed, the salt valve 300 and the salt shortage reminder member 400 are assembled together onto the box body 100, without having to install the salt shortage reminder member 400, the salt valve 300 and the lid 200 one by one, and without having to reposition the components to be assembled again. Therefore, the disassembly and assembly efficiency and the cleaning efficiency of the water softener salt box are relatively high, the disassembly and assembly difficulty is low, and the user experience is good.

[0048] Continuing to refer to Figure 4 As shown, in some embodiments, the box body 100 is cylindrical. Of course, in other embodiments, the box body 100 can also be set to a cubic shape or other shapes according to requirements.

[0049] In some embodiments, a salt partition 130 is provided in the box body 100. The salt partition 130 is used to support the salt. Optionally, the salt partition 130 is a mesh plate structure with a hole structure. The salt partition 130 divides the space in the box body 100 into two parts. The space below the salt partition 130 is the salt water cavity, and the space above the salt partition 130 is the salt placement cavity 101.

[0050] In some embodiments, the box body 100 is an integrally formed structure. A positioning boss (not shown in the figure) for installing the salt partition 130 is provided in the box body 100. After the lid 200 is disassembled from the box body 100, the salt partition 130 can be placed on the positioning boss to realize the installation and positioning of the salt partition 130; in some parallel embodiments, the box body 100 is a split structure. Specifically, the box body 100 includes a base member and a ring plate member. The base member forms a salt water cavity, and the base member further includes a salt partition 130 at the top. The top of the base member is detachably connected to the bottom of the ring plate member. The detachable connection methods include but are not limited to threaded connection, magnetic attraction connection, etc. Such a setting not only makes it more convenient to install and replace the salt partition 130, but also makes it easier to maintain and clean the box body 100.

[0051] In some embodiments, continuing to refer to Figure 1As shown, an overflow pipe 700 is further provided on the box body 100. The overflow pipe 700 is installed at the top of the box body 100, and the water in the box body 100 can be discharged through the overflow pipe 700 after exceeding the target water level.

[0052] To facilitate the salt addition operation, as Figures 8 to 10 shown, a salt addition port 201 is provided on the box cover 200, and salt can be replenished into the salt placement cavity 101 through the salt addition port 201. To seal the salt addition port 201 and thus prevent foreign objects from entering the salt placement cavity 101 through the salt addition port 201, as Figure 1 shown, in some embodiments, the salt box of the water softener further includes a salt addition cover 500, and the salt addition cover 500 is detachably connected to the salt addition port 201. In one embodiment, the salt addition cover 500 is a round cover; in another embodiment, the salt addition cover 500 is a non-round special-shaped cover. The number of the salt addition ports 201 can be set to one or more according to requirements. Optionally, a handle structure 510 is provided on the salt addition cover 500, so as to facilitate the disassembly of the salt addition cover 500.

[0053] To expand the salt addition port 201 as much as possible, as Figure 8 shown, a salt addition port 201 is provided on the box cover 200, and the box cover 200 is set as an annular structure that can be installed on the top of the box body 100. By setting the box cover 200 as an annular structure, the space formed by enclosing the inner wall surface of the annular structure is the salt addition port 201, and the increase in the area of the salt addition port 201 is beneficial for the user to perform the salt addition operation.

[0054] To enable the box cover 200 to accommodate a relatively large salt addition port 201 and be able to install the salt valve 300 and the salt shortage reminder 400, as Figures 8 to 10 shown, the box cover 200 includes an annular installation part 210 and a boss installation part provided on the radial side of the annular installation part 210. The annular installation part 210 is provided with an annular groove 211 for inserting the end of the box body 100, and the boss installation part is used for installing the salt valve 300 and / or the salt shortage reminder 400. Correspondingly, continue to refer to Figure 4 shown, the top of the box body 100 has a stepped structure. The box body 100 includes an insertion ring edge 110 that can be inserted into the annular groove 211 and an annular platform 120 located on one side of the insertion ring edge 110. The bottom surface of the annular installation part 210 abuts against the annular platform 120.

[0055] The boss mounting part can be set to one or two according to requirements. When the boss mounting part is set to one, the boss mounting part extends radially inwards from the annular mounting part 210, and the top of the salt valve 300 and the salt shortage reminder 400 are both mounted on the boss mounting part. When there are two boss mounting parts, the boss mounting part includes a first boss mounting part 220 and a second boss mounting part 230. The first boss mounting part 220 is snap-connected to the salt valve 300, and the second boss mounting part 230 is snap-connected to the salt shortage reminder 400.

[0056] It should be noted that since the salt valve 300 needs to be installed in the box body 100, the first boss mounting part 220 extends radially inwards from the annular mounting part 210, and the second boss mounting part 230 for installing the salt shortage reminder 400 can extend radially inwards from the annular mounting part 210 or can extend radially outwards from the annular mounting part 210. Further, in order to make the layout of the box cover 200 reasonable and beautiful, the first boss mounting part 220 and the second boss mounting part 230 are arranged at intervals in the circumferential direction of the annular mounting part 210. For example, they can be symmetrically arranged at 180° or can be distributed at 120°.

[0057] In order to achieve the quick and stable installation of the salt shortage reminder 400 on the first boss mounting part 220, in some embodiments, an installation cavity 231 is formed on the second boss mounting part 230, and the salt shortage reminder 400 is placed in the installation cavity 231, and as Figure 12 shown, at least one elastic clamping member 410 is provided at the edge of the salt shortage reminder 400. Through the deformation of the elastic clamping member 410, the salt shortage reminder 400 can enter and exit the installation cavity 231, and through the recovery deformation of the elastic clamping member 410, the salt shortage reminder 400 can be stably installed in the installation cavity 231.

[0058] In one embodiment, three elastic clamping members 410 are provided, and the three elastic clamping members 410 are arranged at intervals in the circumferential direction of the salt shortage reminder 400. Optionally, the elastic clamping member 410 is a U-shaped clamping plate. Of course, in other embodiments, the number and shape of the elastic clamping member 410 can be flexibly adjusted according to requirements. Of course, a clamping position can also be provided on the inner wall surface of the installation cavity 231. Through the cooperation of the elastic clamping member 410 and the clamping position, the salt shortage reminder 400 can be more stably fixed in the installation cavity 231.

[0059] To facilitate the disassembly and assembly of the salt valve 300, in some embodiments, at least one insertion slot member 221 is provided on one of the second boss mounting portion 230 and the salt valve 300, and at least one insertion buckle member 310 is provided on the other. The insertion buckle members 310 and the insertion slot members 221 are inserted into each other in a one-to-one correspondence. Through the cooperation of the insertion slot members 221 and the insertion buckle members 310, the rapid disassembly and assembly and stable assembly of the salt valve 300 and the tank cover 200 can be achieved. In one embodiment, the second boss mounting portion 230 is provided with at least one insertion slot member 221, as Figure 11 shown, the salt valve 300 is provided with at least one insertion buckle member 310; in another embodiment, the salt valve 300 is provided with at least one insertion slot member 221, and the second boss mounting portion 230 is provided with at least one insertion buckle member 310; in yet another embodiment, the second boss mounting portion 230 is simultaneously provided with at least one insertion slot member 221 and at least one insertion buckle member 310. Correspondingly, the salt valve 300 is simultaneously provided with at least one insertion slot member 221 and at least one insertion buckle member 310.

[0060] In some embodiments, the water softener salt tank further includes a control component 800, which is used to control all the electronic components in the water softener salt tank, such as the salt shortage reminder 400, the salt shortage detection sensor for detecting whether there is a shortage of salt in the salt placement cavity, etc. It should be noted that in this embodiment, the control component 800 can be a centralized or distributed controller. For example, the controller can be a single microcontroller or composed of multiple distributed microcontrollers. A control program can run in the microcontroller to control the salt shortage reminder 400, the salt shortage detection sensor, etc. to realize their respective functions. Optionally, the control component 800 is a control board provided with a breathing light.

[0061] To achieve the waterproof installation of the control component 800, a part of the structure of the annular platform 120 of the box body 100 is widened and extended outward to form a placement tabletop at the top of the box body 100. An accommodation cavity for installing the control component 800 is formed between the tank cover 200 and the placement tabletop. In this way, the control component 800 can be completely isolated from the inside of the box body 100, preventing the control component 800 from being exposed to the harsh environment inside the box body 100 and extending the service life of the control component 800.

[0062] In some embodiments, the control component 800 is installed on the lid 200. Specifically, a slot structure 240 is provided on the lid 200, and the control component 800 is snap-fitted into the slot structure 240, so that the control component 800 can be disassembled and assembled integrally with the lid 200. This can further improve the disassembly and assembly efficiency and enhance the user experience. In one embodiment, the control component 800, the salt valve 300, and the salt shortage reminder 400 are equally spaced in the circumferential direction of the lid 200, which can improve the layout rationality. Optionally, the slot structure 240 is formed by a plurality of protrusions provided on the inner wall surface of the lid 200.

[0063] Continuing to refer to Figures 4 to 7 As shown, the water softener salt tank further includes a power cord 900, and the power cord 900 is electrically connected to electrical components such as the control component 800 and the salt shortage reminder 400. In some embodiments, a wire groove for accommodating the power cord 900 is provided on the lid 200. The wire groove can be provided independently of the annular groove 211, or the two can be combined into one. A space for waterproofing is formed between the wire groove and the annular platform 120; in some embodiments, a clamping member 212 for clamping the power cord 900 is provided on the lid 200. Optionally, a plurality of clamping members 212 are provided; in some embodiments, a wire groove for accommodating the power cord 900 is provided on the lid 200, and a clamping member 212 for clamping the power cord 900 is provided on the lid 200.

[0064] By providing a wire groove for accommodating the power cord 900 and a clamping member 212 for fixing the power cord 900 on the lid 200, not only can the stable installation of the power cord 900 be achieved, but also the wiring is reasonable, which is convenient for subsequent disassembly, assembly, and maintenance. In addition, the power cord 900 is sealed between the annular platform 120 of the box body 100 and the wire groove of the lid 200, realizing the separation of the power cord 900 from the brine in the box body 100, which is beneficial to improving the safety of the power cord 900.

[0065] Further, a notch 111 for the power cord 900 to enter and exit the second boss installation part 230 is provided at the insertion ring edge 110 of the box body 100. In this way, when disassembling and assembling the lid 200, the box body 100 can avoid the power cord 900, so that the power cord 900 can be disassembled and assembled integrally with the lid 200, and the water softener salt tank can be easily disassembled and cleaned. Optionally, a wire hole 232 for the power cord 900 to pass through is further provided on the lid 200. The wire hole 232 can be located at the second boss installation part 230 or on the outer side wall of the annular installation part 210.

[0066] Continuing to refer to Figure 3As shown, in order to facilitate leading the water inlet and outlet of the softener salt box to the outside of the softener salt box, in some embodiments, the softener salt box further includes a first joint 620, a second joint 630 and a brine suction pipe 610. The first joint 620 is communicated with the water inlet and outlet of the salt valve 300. The second joint 630 is communicated with one end of the brine suction pipe 610. The first joint 620 and the second joint 630 are detachably communicated. The other end of the brine suction pipe 610 extends to the outside of the softener salt box through an avoidance structure provided on the box body 100. Optionally, the first joint 620 and the second joint 630 are universal pipe joints, so that the universal connection of the brine suction pipe 610 of the softener salt box can be realized, which is convenient for assembly and subsequent maintenance.

[0067] The present invention also provides a water softener, which includes a main body and the above-mentioned softener salt box, and the main body is communicated with the softener salt box. By using the above-mentioned softener salt box, the softener salt box of the water softener is convenient to disassemble and assemble, has a high disassembly and assembly efficiency, is convenient to clean, and provides a good user experience. It should be noted that the structure of the main body is the prior art and will not be described in detail here.

[0068] Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A water softener salt box, characterized in that: include: A housing (100), wherein the housing (100) has a salt placement chamber (101); A box cover (200), the box cover (200) is detachably connected to the box body (100) and is capable of opening and closing the opening of the salt chamber (101); a salt valve (300), the salt valve (300) being installed on a side of the box cover (200) facing the box body (100), so that the salt valve (300) can be placed in the salt placement chamber (101); a salt shortage reminder (400), wherein the salt shortage reminder (400) is installed on the box cover (200); The salt valve (300) and the salt shortage reminder (400) can be removed from the box body (100) together with the box cover (200).

2. The water softener salt box according to claim 1, characterized in that: The box cover (200) comprises an annular mounting portion (210) and a boss mounting portion arranged on a radial side of the annular mounting portion (210), the annular mounting portion (210) being provided with an annular groove (211) for inserting an end of the box body (100), and the boss mounting portion being used for mounting the salt valve (300) and / or the salt shortage reminder (400).

3. The water softener salt box according to claim 1, characterized in that: The box cover (200) comprises a first boss mounting portion (220), and the first boss mounting portion (220) is clamped with the salt valve (300); And / or, the box cover (200) comprises a second boss mounting portion (230), and the second boss mounting portion (230) is snap-connected with the salt shortage reminder (400).

4. The water softener salt box according to claim 3, characterized in that: A mounting cavity (231) is formed on the second boss mounting portion (230), the salt deficiency reminder (400) is placed in the mounting cavity (231), and at least one elastic clamp (410) is provided at the edge of the salt deficiency reminder (400).

5. The water softener salt box according to claim 3, characterized in that: One of the first boss mounting portion (220) and the salt valve (300) is provided with at least one plug-in card slot component (221), and the other is provided with at least one plug-in card fastener component (310), and the plug-in card fastener component (310) and the plug-in card slot component (221) are plugged in one-to-one correspondence.

6. The water softener salt box according to claim 1, characterized in that: The water softener salt box further comprises a control component (800); a storage table is provided on the box body (100); and a receiving cavity for installing the control component (800) is formed between the box cover (200) and the storage table.

7. The water softener salt box according to claim 6, characterized in that: The water softener salt box further comprises a power line (900), wherein the power line (900) is electrically connected to the control component (800) and the salt shortage reminder (400); The box cover (200) is provided with a wire groove for accommodating the power cord (900); And / or, the box cover (200) is provided with a locking member (212) for locking the power cord (900).

8. The water softener salt box according to claim 1, characterized in that: The water softener salt box also includes a first joint (620), a second joint (630) and a salt absorption pipe (610), wherein the first joint (620) is connected to the water inlet and outlet of the salt valve (300), and the second joint (630) is connected to one end of the salt absorption pipe (610), and the first joint (620) and the second joint (630) are detachably connected, and the other end of the salt absorption pipe (610) extends to the outside of the water softener salt box through an avoidance structure provided on the box body (100).

9. The water softener salt box according to any one of claims 1 to 8, characterized in that: The water softener salt box further comprises a salt adding cover (500), the box cover (200) is an annular structure, the inner wall surface of the annular structure forms a salt adding port (201), and the salt adding cover (500) is detachably connected to the salt adding port (201).

10. A water softener, characterized in that: The utility model comprises a main unit and a water softener salt tank according to any one of claims 1 to 9, wherein the main unit is in communication with the water softener salt tank.

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