Salt box of water softener

By designing a removable salt filling cap and cover in the salt tank of the water softener, the problem of the salt filling port not being able to be fully opened is solved, enabling convenient salt filling operations, especially in situations where space is limited.

CN223633170UActive Publication Date: 2025-12-05QINGDAO HAIER STRAUSS WATER EQUIP CO LTD +1
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Patent Information

Application Number
CN202422928704.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-05
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Due to design limitations, the salt filling port of the salt tank in existing water softeners cannot be fully opened, making salt filling inconvenient, especially in scenarios with insufficient space.

Method used

Design a brine tank for a water softener, including a brine cover and a detachable brine cap. The upper end of the brine cover is provided with a brine inlet that is connected to the brine cover. By setting an avoidance groove and a protrusion on the cap, the cap can be detached and fits onto the brine cover. The upper end of the brine cover is provided with a brine inlet that communicates with the inner cavity of the tank body. An avoidance groove is set on the brine cap to facilitate fully opening the brine inlet for brine addition.

Benefits of technology

It makes salting easy, especially in situations with limited space. The salt cap is detachable and fits onto the top of the salt cover, ensuring space for salting and improving convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of water treatment, in particular to a salt box of a water softener. The salt box of the water softener comprises a box body, a salt adding cover and a salt adding cover, the salt adding cover is fixedly connected to the top of the box body, a salt adding opening communicated with an inner cavity of the box body is formed in the upper end of the salt adding cover, an avoiding groove communicated with the salt adding opening is formed in the upper end of the salt adding cover, and the salt adding cover detachably covers the upper end of the salt adding cover to block the salt adding opening. According to the salt box of the water softener provided by the utility model, the salt adding cover can be completely taken down from the salt adding cover, so that the salt adding opening in the salt adding cover is completely opened, salt adding operation can be conveniently carried out in the inner cavity of the box body through the salt adding opening, and the salt adding operation is more convenient. Besides, an avoiding groove is formed in the upper end portion of the salt adding cover, when the salt adding cover is completely taken down from the salt adding cover, a salt bag can be placed in the avoiding groove for salt adding operation, the space for salt adding operation is guaranteed, and salt adding operation can be conveniently carried out in the scene that the space height is insufficient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field especially relates to a soft water machine salt tank. BACKGROUND

[0002] The soft water machine removes calcium and magnesium ions in water through ion exchange resin, reduces water hardness, softens water quality, and solves scale and blockage problems. After a period of work, the ion exchange resin will gradually saturate and lose its exchange ability, resulting in a decrease in soft water effect. Therefore, a soft water machine salt tank is needed to provide sodium ions for exchange with the calcium and magnesium ions adsorbed in the ion exchange resin, replacing the calcium and magnesium ions to restore the ion exchange resin's function of softening water quality.

[0003] In related technology, the salt cover in the soft water machine salt tank is usually designed in a sliding or flipping form to open the salt adding port of the soft water machine salt tank by operating the salt cover, and salt is added through the salt adding port. However, the salt cover cannot completely open the salt adding port during sliding or flipping due to the limitation of the operation space, making the salt adding operation inconvenient. In addition, due to the limitation of the space in the height direction of the soft water machine salt tank, it is more inconvenient to add salt.

[0004] Therefore, there is an urgent need for a soft water machine salt tank to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a soft water machine salt tank to facilitate salt adding operation through the salt adding port into the inner cavity of the box body, making the salt adding operation more convenient, and ensuring the space for salt adding operation, facilitating salt adding operation in a scene with insufficient space height.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A soft water machine salt tank comprises:

[0008] a box body;

[0009] a salt adding cover fixedly connected to the top of the box body, the upper end of the salt adding cover being provided with a salt adding port communicating with the inner cavity of the box body, and the upper end of the salt adding cover being provided with an avoiding groove communicating with the salt adding port; and

[0010] a salt cover detachably capped on the upper end of the salt adding cover to block the salt adding port.

[0011] Optionally, one of the lower end surface of the salted cover and the upper end surface of the salted cover is provided with a positioning protrusion, and the other is provided with a positioning groove, and the positioning protrusion can be inserted into the positioning groove.

[0012] Optionally, the salted cover comprises:

[0013] a cover plate body, an upper end of the cover plate body is provided with the salted opening and the avoiding groove; and

[0014] a cover plate flange, the cover plate flange is fixedly connected with an outer edge of the cover plate body, and the cover plate flange can abut against an outer peripheral wall of the salted cover.

[0015] Optionally, the cover plate body comprises a first connecting part, a second connecting part, a third connecting part and a fourth connecting part connected in sequence, the first connecting part, the second connecting part, the third connecting part and the fourth connecting part jointly enclose the salted opening, an upper end of the first connecting part is provided with the avoiding groove, and outer edges of the second connecting part, the third connecting part and the fourth connecting part are all fixedly connected with the cover plate flange.

[0016] Optionally, the salted cover further comprises:

[0017] a guide plate, the guide plate is fixedly connected with an inner peripheral wall of the salted opening, the guide plate extends towards the inner cavity of the box body, and the guide plate is inclined from top to bottom towards the inside of the salted opening.

[0018] Optionally, the salted cover comprises:

[0019] a salt cover support plate, the salt cover support plate is detachably covered on the upper end of the salted cover; and

[0020] a salted cover outer plate, the salted cover outer plate is detachably fixedly connected with the salt cover support plate, and the salted cover outer plate is stacked on the salt cover support plate.

[0021] Optionally, a side of the salted cover is provided with a hidden handle.

[0022] Optionally, the water softener salt tank further comprises:

[0023] a support piece, the support piece is fixedly connected with an inner peripheral wall of the box body, the support piece is supported and connected below the salted cover, and a through opening opposite to the salted opening is formed in the support piece;

[0024] a salt valve, the salt valve is accommodated in the inner cavity of the box body, and the salt valve is fixedly installed on the support piece.

[0025] As an option, a relief gap is formed on the outer peripheral wall of the box body, and the salt tank of the water softener further comprises a detection assembly, which comprises:

[0026] a salt amount detection member mounted on the support member, configured to detect the amount of salt in the inner cavity of the box body;

[0027] a warning light mounted on the support member, electrically connected to the salt amount detection member, and opposite to the relief gap.

[0028] As an option, a plurality of clamping wire grooves are arranged on the support member at intervals, and the detection assembly further comprises:

[0029] a connecting wire, by which the salt amount detection member and the warning light are electrically connected, and the connecting wire is clamped in each clamping wire groove.

[0030] The beneficial effects of the present application are as follows:

[0031] The utility model provides a kind of salt tank of water softener, the salt tank of water softener includes box body, salt adding cover and salt adding cover, wherein, salt adding cover is fixedly connected to the top of box body, the upper end of salt adding cover is provided with the salt adding port being communicated with the inner cavity of box body, and the upper end of salt adding cover is provided with the relief groove being communicated with salt adding port, and salt adding cover is detachably covered on the upper end of salt adding cover, to block salt adding port.The salt tank of water softener provided by the utility model makes salt adding cover detachably cover on the upper end of salt adding cover, can be completely removed from salt adding cover, to completely open the salt adding port on salt adding cover, it is convenient to add salt in the inner cavity of box body by salt adding port, so that salt adding operation is more convenient.In addition, by setting relief groove on the upper end of salt adding cover, when salt adding cover is completely removed from salt adding cover, salt bag can be placed in relief groove to add salt, ensure the space of salt adding operation, facilitate salt adding operation in the scene of insufficient space height. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the structure schematic diagram of the salt tank of water softener provided by the utility model embodiment;

[0033] Figure 2 It is the structure exploded view of the salt tank of water softener provided by the utility model embodiment;

[0034] Figure 3 It is the structure schematic diagram of salt adding cover provided by the utility model embodiment;

[0035] Figure 4 It is the structure schematic diagram of salt adding cover provided by the utility model embodiment;

[0036] Figure 5 is a partial structure exploded view of the salt tank of the water softener provided by the embodiments of the present application.

[0037] In the drawings:

[0038] 1, tank; 11, avoiding gap;

[0039] 2, salt adding cover; 21, cover plate body; 211, first connecting part; 212, second connecting part; 213, third connecting part; 214, fourth connecting part; 215, salt adding opening; 216, avoiding groove; 217, positioning protrusion; 22, cover plate flange; 23, guide plate;

[0040] 3, salt adding cover; 31, salt cover support plate; 311, positioning groove; 32, salt adding cover outer plate; 321, hidden handle;

[0041] 4, support; 41, through hole; 42, wire clamping groove;

[0042] 5, salt valve;

[0043] 6, detection assembly; 61, salt amount detection part; 62, warning light; 63, lampshade; 64, connecting wire. DETAILED DESCRIPTION

[0044] In order to make the technical problems solved by the present application, the technical scheme adopted and the technical effects achieved more clear, the technical scheme of the present application will be further illustrated below in conjunction with the drawings and through specific embodiments.

[0045] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In the utility model, unless otherwise expressly provided and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on the surface of" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0047] In the description of the present embodiment, the terms "up", "down", "left", "right" and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0048] In the related art, the salt cover in the soft water machine salt tank is usually designed in the form of sliding or turning, so as to open the salt adding port of the soft water machine salt tank by operating the salt cover, and to add salt into the soft water machine salt tank through the salt adding port. However, the salt cover cannot completely open the salt adding port in the process of sliding or turning due to the limitation of the operation space, resulting in inconvenient salt adding operation. In addition, due to the limitation of the space in the height direction of the soft water machine salt tank, it is more inconvenient to add salt.

[0049] In order to solve the above problems, such as Figure 1 and Figure 2As shown, the embodiment provides a water softener salt tank, which comprises a tank body 1, a salt adding cover 2 and a salt adding cover 3, wherein the salt adding cover 2 is fixedly connected to the top of the tank body 1, the upper end of the salt adding cover 2 is provided with a salt adding opening 215 which is in communication with the inner cavity of the tank body 1, and the upper end of the salt adding cover 2 is provided with an avoiding groove 216 which is in communication with the salt adding opening 215, and the salt adding cover 3 is detachably covered on the upper end of the salt adding cover 2 to block the salt adding opening 215. The water softener salt tank provided by the embodiment can completely remove the salt adding cover 3 from the salt adding cover 2 when salt needs to be added to the inner cavity of the tank body 1, so as to completely open the salt adding opening 215 on the salt adding cover 2, and facilitate the salt adding operation through the salt adding opening 215 to the inner cavity of the tank body 1, so that the salt adding operation is more convenient. When the salt adding operation is completed, the salt adding cover 3 is covered on the upper end of the salt adding cover 2 again to block the salt adding opening 215. In addition, the avoiding groove 216 is arranged on the upper end of the salt adding cover 2, and when the salt adding cover 3 is completely removed from the salt adding cover 2, a salt bag can be placed in the avoiding groove 216 for salt adding operation, so as to ensure the space for salt adding operation and facilitate the salt adding operation in the scene with insufficient space height.

[0050] Optionally, as shown in Figure 2 and Figure 3 , one of the lower end surface of the salt adding cover 3 and the upper end surface of the salt adding cover 2 is provided with a positioning protrusion 217, and the other is provided with a positioning groove 311, and the positioning protrusion 217 can be inserted into the positioning groove 311. By inserting the positioning protrusion 217 into the positioning groove 311, the salt adding cover 3 is fixedly buckled on the salt adding cover 2, and it is also convenient to completely remove the salt adding cover 3 from the salt adding cover 2. In addition, the buckling fixation between the salt adding cover 3 and the salt adding cover 2 is realized by the positioning protrusion 217 and the positioning groove 311, which not only realizes the precise positioning and installation between the salt adding cover 3 and the salt adding cover 2, but also makes the structure simple and convenient for installation and disassembly operation. Optionally, in the embodiment, the lower end surface of the salt adding cover 3 is provided with the positioning groove 311, and the upper end surface of the salt adding cover 2 is provided with the positioning protrusion 217. In other embodiments, the lower end surface of the salt adding cover 3 can be provided with the positioning protrusion 217, and the upper end surface of the salt adding cover 2 can be provided with the positioning groove 311. Optionally, in the embodiment, the lower end surface of the salt adding cover 3 is provided with a plurality of positioning grooves 311, and the upper end surface of the salt adding cover 2 is provided with a plurality of positioning protrusions 217, and the plurality of positioning grooves 311 and the plurality of positioning protrusions 217 are one-to-one correspondingly arranged, each positioning protrusion 217 can be inserted into the corresponding positioning groove 311, and the stability and position precision of the buckling fixation of the salt adding cover 3 on the salt adding cover 2 are further ensured. In the embodiment, the positioning protrusions 217 are spaced apart by four, and in other embodiments, the specific number of the positioning protrusions 217 can be set according to the requirements.

[0051] Optionally, in the embodiment, the top of the positioning protrusion 217 is rounded, the shape of the positioning groove 311 is matched with the shape of the positioning protrusion 217, which not only makes the appearance more beautiful, but also facilitates the insertion and separation of the positioning protrusion 217 and the positioning groove 311. Optionally, in the embodiment, the side wall of one side of the positioning protrusion 217 is provided with a guide slope, thereby providing guidance for the insertion and separation between the positioning protrusion 217 and the positioning groove 311, and facilitating the insertion and separation of the positioning protrusion 217 and the positioning groove 311.

[0052] In the embodiment, as shown in Figure 2 and Figure 3 , the salt adding cover 3 includes a salt cover support plate 31 and a salt adding cover outer plate 32, wherein the salt cover support plate 31 is detachably covered on the upper end of the salt adding cover 2, the lower end surface of the salt cover support plate 31 is provided with a positioning groove 311, and the salt adding cover outer plate 32 is detachably fixedly connected with the salt cover support plate 31 and is stacked on the salt cover support plate 31. By designing the salt adding cover 3 in the form of two layers of the salt cover support plate 31 and the salt adding cover outer plate 32 stacked together, the structural strength of the salt adding cover 3 is effectively enhanced. In addition, since the salt cover support plate 31 and the salt adding cover outer plate 32 are detachably fixed, the disassembly and assembly between the salt cover support plate 31 and the salt adding cover outer plate 32 are facilitated, so that the damaged part can be replaced individually. Optionally, in the embodiment, the salt cover support plate 31 and the salt adding cover outer plate 32 can be fixedly connected through buckles. In other embodiments, the salt cover support plate 31 and the salt adding cover outer plate 32 can also be fixedly connected through bolts.

[0053] Optionally, in the embodiment, as shown in Figure 1 and Figure 3 , the side of the salt adding cover 3 is provided with a hidden handle 321. By providing the hidden handle 321 on the side of the salt adding cover 3, the appearance of the salt adding cover 3 is more beautiful, the occupied space of the salt adding cover 3 is reduced, and the salt adding cover 3 is also convenient to be taken off from the salt adding cover 2 through the hidden handle 321. Optionally, in the embodiment, the hidden handle 321 is a groove opened on the side of the salt adding cover outer plate 32, so that the structure is simple and convenient to hold. Optionally, in the embodiment, the front side of the salt adding cover 3 is provided with the hidden handle 321, so that the operator can operate the hidden handle 321 from the front side of the water softener salt tank, thereby taking the salt adding cover 3 off from the salt adding cover 3.

[0054] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 4As shown, the salt adding cover 2 comprises a cover plate body 21 and a cover plate flange 22, the upper end of the cover plate body 21 is provided with a salt adding opening 215 and a avoiding groove 216, the cover plate flange 22 is fixedly connected with the outer edge of the cover plate body 21, and the cover plate flange 22 can abut against the outer peripheral wall of the salt adding cover 3. By arranging the cover plate flange 22, not only the structural strength of the whole salt adding cover 2 is enhanced, but also the positioning and installation reliability of the salt adding cover 3 on the salt adding cover 2 is further ensured, the blocking and limiting of the salt adding cover 3 is realized, and the salt adding cover 3 is prevented from sliding off the salt adding cover 2. It should be noted that in the embodiment, the cover plate body 21 can be detachably fixedly connected with the box body 1 through buckling, so that the salt adding cover 2 can be conveniently detached from the box body 1 for cleaning or replacement. It should be noted that in the embodiment, the cover plate body 21 is provided with a position protrusion 217. In addition, it should be noted that "the cover plate flange 22 can abut against the outer peripheral wall of the salt adding cover 3" means that "when the salt adding cover 3 is positioned and installed on the cover plate body 21, the cover plate flange 22 can be directly connected with the outer peripheral wall of the salt adding cover 3, or there can be a certain gap between the cover plate flange 22 and the outer peripheral wall of the salt adding cover 3", as long as the displacement of the salt adding cover 3 on the cover plate body 21 is blocked by the cover plate flange 22, and the salt adding cover 3 is prevented from sliding off the salt adding cover 2.

[0055] Optionally, in the embodiment, as shown in Figure 1 、 Figure 2 and Figure 4 , the cover plate body 21 comprises a first connecting portion 211, a second connecting portion 212, a third connecting portion 213 and a fourth connecting portion 214 which are sequentially and end-to-end connected, wherein the first connecting portion 211, the second connecting portion 212, the third connecting portion 213 and the fourth connecting portion 214 collectively enclose the salt adding opening 215, the upper end of the first connecting portion 211 is provided with the avoiding groove 216, and the outer edges of the second connecting portion 212, the third connecting portion 213 and the fourth connecting portion 214 are fixedly connected with the cover plate flange 22. The structural design of the above-mentioned cover plate body 21 enables the left outer peripheral wall, the right outer peripheral wall and the rear outer peripheral wall of the salt adding cover 3 to abut against the cover plate flange 22 on the corresponding side, thereby limiting the movement of the salt adding cover 3 relative to the cover plate body 21 in the left-right direction. In addition, since the front side of the salt adding cover 3 is not provided with the cover plate flange 22, it is more convenient to take the salt adding cover 3 off the salt adding cover 2 at the front side of the salt adding cover 3. It should be noted that in the embodiment, the whole first connecting portion 211 can be designed as a sunken structure, so that the avoiding groove 216 is formed at the whole first connecting portion 211, thereby effectively increasing the operation space for adding salt.

[0056] Optionally, in the embodiment, as shown in Figure 4As shown in the figure, the salt adding cover 2 further comprises a guide plate 23 fixedly connected with the inner circumferential wall of the salt adding opening 215, the guide plate 23 extends towards the inner cavity of the box body 1, and the guide plate 23 is inclined from top to bottom towards the inside of the salt adding opening 215. By arranging the guide plate 23, the salt entering the salt adding opening 215 is guided to fall downwards into the inner cavity of the box body 1, so that the added salt flows towards the middle area of the inner cavity of the box body 1, preventing the salt from falling everywhere outside the box body 1, and the guide plate 23 can also provide a certain buffering effect for the added salt, so that the added salt is buffered to slide down, improving the salt adding experience. Optionally, in the embodiment, the inner circumferential wall around the salt adding opening 215 is provided with the guide plate 23. Optionally, in the embodiment, the entire salt adding cover 2 is integrally formed, which ensures the structural strength of the salt adding cover 2 and is convenient for the production and processing of the salt adding cover 2.

[0057] In the embodiment, as shown in the figure, Figure 2 and Figure 5 The water softener salt tank further comprises a support 4 fixedly connected with the inner circumferential wall of the box body 1, the support 4 is supported below the salt adding cover 2, a through opening 41 opposite to the salt adding opening 215 is arranged on the support 4, the salt valve 5 is accommodated in the inner cavity of the box body 1, and the salt valve 5 is fixedly installed on the support 4. The salt in the inner cavity of the box body 1 passes through the salt valve 5 and enters the ion exchange resin in the water softener, so as to replace the calcium and magnesium ions in the ion exchange resin. By arranging the support 4, the fixed installation of the salt valve 5 is realized, and the support of the salt adding cover 2 is also realized.

[0058] It should be noted that in the embodiment, the guide plate 23 extending towards the inner cavity of the box body 1 can pass through the through opening 41, so as to avoid the added salt falling on the support 4.

[0059] Optionally, in the embodiment, as shown in the figure, Figure 2 and Figure 5 The outer circumferential wall of the box body 1 is provided with an avoiding gap 11, the water softener salt tank further comprises a detection assembly 6, the detection assembly 6 comprises a salt amount detection piece 61 and a warning lamp 62, the salt amount detection piece 61 and the warning lamp 62 are both installed on the support 4, the salt amount detection piece 61 is used for detecting the amount of salt in the inner cavity of the box body 1, the warning lamp 62 is electrically connected with the salt amount detection piece 61, and the warning lamp 62 is opposite to the avoiding gap 11, when the salt amount detection piece 61 detects that the amount of salt in the inner cavity of the box body 1 is lower than a preset amount, the warning lamp 62 can be lit, so as to issue a warning, and the lighting condition of the warning lamp 62 can be observed through the avoiding gap 11, so as to timely add salt into the box body 1. By integrating the various devices in the detection assembly 6 and installing them on the support 4, the structure is compact, and the installation steps are also simplified. Optionally, in the embodiment, the salt amount detection piece 61 can be a sensor.

[0060] Optionally, in the embodiment, as shown in Figure 2 and Figure 5 The detection assembly 6 further comprises a lamp shade 63, the lamp shade 63 covers the warning lamp 62, and the lamp shade 63 is located at the avoiding gap 11. By arranging the lamp shade 63, not only the protection effect of the warning lamp 62 is realized, but also the light emitted by the warning lamp 62 is spotlighted.

[0061] In the embodiment, as shown in Figure 5 A plurality of wire clamping grooves 42 are arranged on the support 4 at intervals, the plurality of wire clamping grooves 42 are arranged at intervals in the circumferential direction around the through port 41, the detection assembly 6 further comprises connecting wires 64, the salt amount detection member 61 and the warning lamp 62 are electrically connected through the connecting wires 64, and the connecting wires 64 are clamped in each wire clamping groove 42. By arranging the wire clamping groove 42, and distributing the connecting wires 64 around the through port 41 through the wire clamping groove 42, the appearance is more beautiful and neat, and the connecting wires 64 are prevented from being pulled during the disassembly and maintenance of the water softener salt tank, so that the reliability of the connecting wires 64 is ensured.

[0062] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, all the embodiments are not enumerated. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A water softener salt tank, characterized by, The soft water machine salt tank comprises: a box body (1); a salting cover (2) fixedly connected to the top of the box body (1), wherein the upper end of the salting cover (2) is provided with a salting opening (215) in communication with the inner cavity of the box body (1), and the upper end of the salting cover (2) is provided with an avoiding groove (216) in communication with the salting opening (215); and a salting cover (3) which is detachably covered on the upper end of the salting cover (2) to block the salting opening (215). One of the lower end surface of the salting cover (3) and the upper end surface of the salting cover (2) is provided with a positioning protrusion (217), and the other is provided with a positioning groove (311), and the positioning protrusion (217) can be inserted into the positioning groove (311).

2. The water softener salt tank of claim 1, wherein, The salting cover (2) comprises:

3. A water softener salt tank as claimed in claim 1 or 2, wherein, a cover plate body (21), wherein the upper end of the cover plate body (21) is provided with the salting opening (215) and the avoiding groove (216); and a cover plate flange (22) fixedly connected with the outer edge of the cover plate body (21), and the cover plate flange (22) can abut against the outer peripheral wall of the salting cover (3). The cover plate body (21) comprises a first connecting portion (211), a second connecting portion (212), a third connecting portion (213) and a fourth connecting portion (214) connected in sequence, and the first connecting portion (211), the second connecting portion (212), the third connecting portion (213) and the fourth connecting portion (214) jointly form the salting opening (215), the upper end of the first connecting portion (211) is provided with the avoiding groove (216), and the outer edges of the second connecting portion (212), the third connecting portion (213) and the fourth connecting portion (214) are fixedly connected with the cover plate flange (22).

4. The water softener salt tank of claim 3, wherein, The salting cover (2) further comprises:

5. The water softener salt tank of claim 3, wherein, a guide plate (23) fixedly connected with the inner peripheral wall of the salting opening (215), wherein the guide plate (23) extends towards the inner cavity of the box body (1), and the guide plate (23) is inclined from top to bottom towards the inside of the salting opening (215). The salting cover (3) comprises:

6. The water softener salt tank of claim 1 or 2, wherein, a salt cover support plate (31) which is detachably covered on the upper end of the salting cover (2); and a salting cover outer plate (32) detachably fixedly connected with the salt cover support plate (31), and the salting cover outer plate (32) is stacked on the salt cover support plate (31). The side of the salting cover (3) is provided with a hidden handle (321).

7. A water softener salt tank as claimed in claim 1 or 2, wherein, The soft water machine salt tank further comprises:

8. A water softener salt tank as claimed in claim 1 or 2, wherein, a support (4) fixedly connected with the inner peripheral wall of the box body (1), wherein the support (4) is supported and connected below the salting cover (2), and the support (4) is provided with a through opening (41) opposite to the salting opening (215); a salt valve (5) accommodated in the inner cavity of the box body (1), and the salt valve (5) is fixedly installed on the support (4). ​ 9. A water softener salt tank as claimed in claim 8, wherein, The outer peripheral wall of the box (1) is provided with an avoiding gap (11), the water softener salt tank further comprises a detection assembly (6), the detection assembly (6) comprises: A salt amount detection piece (61) is installed on the support (4), the salt amount detection piece (61) is configured to detect the salt amount in the inner cavity of the box (1); A warning light (62) is installed on the support (4), the warning light (62) is electrically connected with the salt amount detection piece (61), and the warning light (62) is opposite to the avoiding gap (11).

10. The water softener salt tank of claim 9, wherein, A plurality of clamping wire grooves (42) are arranged on the support (4) at intervals, a plurality of the clamping wire grooves (42) are arranged at intervals around the through port (41) in a circumferential direction, and the detection assembly (6) further comprises: A connecting wire (64), the salt amount detection piece (61) and the warning light (62) are electrically connected through the connecting wire (64), and the connecting wire (64) is clamped in each clamping wire groove (42).