Water softener and salt tank therefor

Abstract

The present application relates to the technical field of water softener, and particularly provides a water softener and a salt tank thereof, aiming at solving the problems of the existing water softener, such as the unfirm installation of the salt well and the inconvenience of disassembly and assembly. For this purpose, the salt tank of the water softener comprises a tank body and a tank cover located at the upper part of the tank body, a salt well is arranged in the salt tank, the upper part of the salt well is provided with a first clamping structure, the lower part of the tank cover is provided with a second clamping structure matched with the first clamping structure, the inner side of the bottom wall of the tank body is provided with a plug-in structure, the tank cover is provided with an opening for adding salt and disassembling the salt well, the lower end of the salt well is connected with the plug-in structure in a plug-in manner, and the first clamping structure is connected with the second clamping structure in a clamping manner. Through such a structure, the reliability of the salt well is improved, and the disassembly and assembly of the salt well are facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water softener, and particularly provides a water softener and a salt tank thereof. BACKGROUND

[0002] Generally, ordinary tap water contains a high concentration of calcium ions and magnesium ions, which are easy to produce scale in pipes, faucets or water-using electrical appliances. Scale can cause blockage, affect water flow and water pressure, and cause pipes and faucets to malfunction. In addition, scale also accumulates inside appliances such as water heaters, water dispensers, dishwashers, etc., reducing heat conduction performance and increasing energy consumption. When washing machines and dishwashers are used in hard water, detergents such as washing powder and dishwashing liquid react with calcium ions and magnesium ions in water to form soap scum, which adheres to the surface of clothes and tableware, making them unclean and affecting cleaning effectiveness. Therefore, water softeners are gradually favored by more and more people.

[0003] A water softener generally includes a softening tank and a salt tank. The softening tank contains softening resin, and water becomes soft water after ion exchange when flowing through the softening resin. The salt tank is provided with a salt well, and the salt well is provided with a salt valve. The salt valve is connected to the softening pipe through a salt suction pipe, so as to supply brine to the softening tank to regenerate the softening resin.

[0004] Generally, there are two installation methods for the salt well of the water softener. The first method is to install the salt well in the salt tank in a way that the lower end is inserted into the slot at the bottom of the salt tank, and the upper end is suspended. Since the salt well is only inserted into the slot at the bottom of the salt tank through the lower end, the fixing strength of the salt well is not enough, and the salt well is easy to tilt to one side under the pressure of salt pile when adding salt. In the process of use, the salt well is also easy to shake or even fall out. The second method is to provide an installation hole with the same cross section as the salt well on the cover of the salt tank. The salt well is inserted into the salt tank from the installation hole, and the lower end of the salt well is inserted into the slot at the bottom of the salt tank, and the upper end of the salt well is fixedly connected to the cover by screws. During the process of inserting the lower end of the salt well into the slot at the bottom of the salt tank after inserting the salt well into the installation hole, the lower end of the salt well is not easy to be inserted into the slot at the bottom of the salt tank due to limited vision. When repairing the salt well, the screws between the upper end and the cover need to be removed first, and then the salt well can be pulled out from the installation hole. This makes the disassembly and assembly of the salt well more troublesome and inconvenient.

[0005] Therefore, there is a need in the art for a new technical solution to solve the above problems. SUMMARY

[0006] The present application aims to solve the above technical problems, i.e. to solve the problems of unstable installation and inconvenient disassembly and assembly of the salt well of the existing water softener.

[0007] In a first aspect, the present application provides a salt tank of a water softener, the salt tank comprising a tank body and a tank cover at an upper portion of the tank body, a salt well being arranged in the salt tank, a first clamping structure being arranged at an upper portion of the salt well, a second clamping structure being arranged at a lower portion of the tank cover and matching the first clamping structure, an insertion structure being arranged at an inner side of a bottom wall of the tank body, an opening being arranged on the tank cover for adding salt and disassembling the salt well, a lower end of the salt well being insertedly connected with the insertion structure, and the first clamping structure being clampingly connected with the second clamping structure.

[0008] In the preferred technical solution of the above salt tank, a protrusion is formed at an upper end of the salt well, the first clamping structure is arranged on the protrusion, a recess is formed at a lower portion of the tank cover and matching the protrusion, an opening structure is arranged at a lower side of the recess and a side close to the opening, the second clamping structure is arranged in the recess, and the salt well is installed in place by inserting the lower end into the insertion structure and rotating the upper end of the protrusion into the recess.

[0009] In the preferred technical solution of the above salt tank, the first clamping structure is an elastic clamping sheet connected to an edge of the protrusion away from the side of the opening and extending in a horizontal direction towards the opening, a clamping block is formed on a surface of the elastic clamping sheet away from the protrusion, and the second clamping structure is a clamping groove formed on a groove wall of the recess corresponding to the elastic clamping sheet, the clamping block being inserted into the clamping groove in the installed state.

[0010] In the preferred technical solution of the above salt tank, the salt well comprises a salt well pipe and a salt well cover sleeved on an upper end of the salt well pipe, the salt well cover being capable of sliding relative to the salt well pipe along an axial direction of the salt well pipe, and the protrusion being arranged at an upper portion of the salt well cover.

[0011] In the preferred technical solution of the above salt tank, a first limiting structure is formed on the protrusion, a second limiting structure is formed on the recess, and the first limiting structure and the second limiting structure match each other to limit a position of the salt well cover in a vertical direction.

[0012] In the preferred technical solution of the above salt tank, the elastic clamping sheet is arranged at an upper portion of the protrusion, the clamping groove is arranged on a groove wall at an upper portion of the recess, the first limiting structure is arranged on a side of the protrusion parallel to a plane on which the salt well is rotated, the second limiting structure is arranged on a groove wall of the recess corresponding to the first limiting structure, and the first limiting structure and the second limiting structure are respectively a sliding groove and a sliding rail, or the first limiting structure and the second limiting structure are respectively a sliding rail and a sliding groove.

[0013] In the preferred technical solution of the above salt tank, the salt well cover is arranged to be able to rotate about the axis of the salt well pipe relative to the salt well pipe.

[0014] In the preferred technical solution of the above salt tank, the upper surface of the salt well cover is a convex surface that is convex upward.

[0015] In the preferred technical solution of the above salt tank, a plurality of rib plates in a circumferential array are arranged on the inner side of the bottom wall of the tank body, and the structure surrounded by the plurality of rib plates forms the plug-in structure, the rib plates are elastic plates and / or the rib plates are inclined outward from bottom to top.

[0016] In the case of adopting the above technical solution, the salt tank comprises a tank body and a tank cover located at the upper part of the tank body, a salt well is arranged in the salt tank, a first clamping structure is arranged at the upper part of the salt well, a second clamping structure matched with the first clamping structure is arranged at the lower part of the tank cover, a plug-in structure is arranged on the inner side of the bottom wall of the tank body, the tank cover has an opening for adding salt and disassembling the salt well, the lower end of the salt well is plug-in connected with the plug-in structure on the inner side of the bottom wall of the tank body, and the first clamping structure on the upper end of the salt well is clamped and connected with the second clamping structure on the tank cover.

[0017] When installing the salt well, the salt well is inserted into the salt tank from the opening for adding salt on the tank cover, the lower end of the salt well is plug-in connected with the plug-in structure on the inner side of the bottom wall of the tank body, and the upper end of the salt well is clamped and connected with the second clamping structure on the tank cover through the first clamping structure thereon. When disassembling the salt well, the first clamping structure on the upper end of the salt well is disassembled from the second clamping structure on the tank cover, the lower end of the salt well is pulled out of the plug-in structure, and finally the salt well is taken out from the opening for adding salt on the tank cover. Since the opening for adding salt on the tank cover is relatively large, the salt well is taken and placed from the opening when disassembling and assembling the salt well, which facilitates the taking and placing of the salt well, and when the lower end of the salt well is plug-in connected to the plug-in structure at the bottom of the tank body, it is convenient to observe and facilitate the quick and accurate plug-in of the lower end of the salt well. Through such a structure, the reliability of the fixation of the salt well is improved, and the disassembly and assembly of the salt well are facilitated.

[0018] Preferably, a protrusion is formed on the upper end of the salt well, the first clamping structure is arranged on the protrusion, a groove matched with the protrusion is formed on the lower part of the tank cover, the lower side and the side close to the opening of the groove are open structures, and the second clamping structure is arranged in the groove, so that the salt well is installed in place in the manner that the lower end is plug-in connected to the plug-in structure and the protrusion on the upper end is embedded in the groove after the lower end is rotated by a certain angle.

[0019] When installing the salt well, only the upper end of the salt well is held by hand, the lower end of the salt well is inserted into the box body from the opening on the box cover and is connected to the connecting structure on the inner side of the bottom wall of the box body, then the upper end of the salt well is rotated around the lower end by a certain angle so that the protrusion of the upper end is embedded into the groove on the box cover, the first clamping structure on the protrusion is clamped with the second clamping structure in the groove, and the quick installation of the salt well is realized; when disassembling the salt well, the first clamping structure is separated from the second clamping structure by holding the upper end of the salt well, and the upper end of the salt well is reversely rotated around the lower end by a certain angle so that the protrusion of the upper end is moved out of the groove on the box cover, then the lower end of the salt well is pulled off from the connecting structure on the inner side of the bottom wall of the box body, and the salt well is taken out from the opening on the box cover.

[0020] Through such a setting, the operator does not need to completely insert his hand into the opening of the box cover when disassembling and assembling the salt well, only a part of the hand needs to be inserted into the opening of the box cover to complete the disassembly and assembly of the salt well, which further facilitates the disassembly and assembly of the salt well.

[0021] Preferably, the salt well comprises a salt well pipe and a salt well cover sleeved on the upper end of the salt well pipe, the salt well cover can slide relative to the salt well pipe along the axial direction of the salt well pipe, and the protrusion is arranged on the upper part of the salt well cover.

[0022] Through such a setting, for different salt boxes, when the size between the groove on the box cover and the bottom wall of the box body is different due to manufacturing errors, the relative position of the salt well cover and the salt well pipe in the axial direction of the salt well pipe can be adjusted during the installation of the salt well, so that the salt well can be assembled in place, avoiding the situation that the length of the salt well is fixed and the salt well cannot be assembled due to the difference in the size between the groove on the upper end of the box cover and the bottom wall of the box body of different salt boxes caused by manufacturing errors.

[0023] Preferably, the first limiting structure is formed on the protrusion, and the second limiting structure is formed on the groove wall of the groove, and the first limiting structure and the second limiting structure are matched with each other to limit the position of the salt well cover in the vertical direction.

[0024] Through such a setting, the position of the salt well cover in the vertical direction can be limited, avoiding the up-and-down movement of the salt well cover during use after being installed in place, and improving the assembly reliability.

[0025] Preferably, the elastic clamping piece is located on the upper part of the protrusion, the clamping groove is located on the groove wall of the upper part of the groove, the first limiting structure is arranged on the side surface of the protrusion parallel to the plane on which the salt well is rotated during installation, the second limiting structure is arranged on the groove wall corresponding to the first limiting structure, the first limiting structure and the second limiting structure are respectively a sliding groove and a sliding rail, or the first limiting structure and the second limiting structure are respectively a sliding rail and a sliding groove.

[0026] By such arrangement, when the salt well is disassembled, the elastic card is only pressed downward, the clamping block on the elastic card can be moved out of the clamping groove, then the upper end of the salt well is rotated by a certain angle around the lower end, so that the protrusion on the upper end is moved out of the groove on the box cover, after that, the lower end of the salt well is pulled off from the plug-in structure on the inner side of the bottom wall of the box body and the salt well is taken out from the opening on the box cover. By such arrangement, the disassembly of the salt well is further facilitated.

[0027] Preferably, the salt well cover is arranged to be rotatable around the axis of the salt well tube relative to the salt well tube.

[0028] After the lower end of the salt well is plugged into the plug-in structure on the inner side of the bottom wall of the box body, the first clamping structure on the upper end of the salt well may not be aligned with the second clamping structure on the box cover, in which case the angle of the salt well needs to be adjusted. For example, the salt well is directly rotated, but since the lower end of the salt well is plugged into the plug-in structure on the inner side of the bottom wall of the box body, the rotation resistance is large; or the lower end of the salt well is pulled off from the plug-in structure on the inner side of the bottom wall of the box body, then rotated by a certain angle and plugged into the plug-in structure on the inner side of the bottom wall of the box body again, which is a relatively cumbersome adjustment operation.

[0029] By arranging the salt well cover to be rotatable around the axis of the salt well tube relative to the salt well tube, in the case where the first clamping structure on the upper end of the salt well is not aligned with the second clamping structure on the box cover after the lower end of the salt well is plugged into the plug-in structure on the inner side of the bottom wall of the box body, the first clamping structure on the salt well cover can be aligned with the second clamping structure on the box cover by rotating the salt well cover, which is more convenient to operate.

[0030] Preferably, the upper surface of the salt well cover is a convex surface that protrudes upward.

[0031] By such arrangement, during the process of adding salt into the salt tank through the opening of the box cover, the salt falling on the salt well cover can slide off the salt well cover, avoiding the accumulation of salt particles on the salt well cover.

[0032] In a second aspect, the present application also provides a water softener, which comprises the salt tank of the water softener according to any one of the above technical solutions.

[0033] It should be noted that the water softener has all the technical effects of the salt tank of the water softener according to any one of the above technical solutions, which will not be described here again. BRIEF DESCRIPTION OF DRAWINGS

[0034] The preferred embodiments of the present application will be described below with reference to the accompanying drawings, in which:

[0035] Figure 1 is a structural schematic view of the salt tank of the water softener according to an embodiment of the present application;

[0036] Figure 2 is a top view of the salt tank of the water softener according to an embodiment of the present application;

[0037] Figure 3 is Figure 2 is a sectional view along the plane A-A in

[0038] Figure 4 is Figure 3 is an enlarged view of the partial B in

[0039] Figure 5 is an exploded view of the salt tank of the water softener according to an embodiment of the present application;

[0040] Figure 6 is a sectional view along the plane A-A in Figure 5 is an enlarged view of the partial C in

[0041] Figure 7 is a schematic view of the framework of the tank cover in the water softener according to an embodiment of the present application, viewed from below and upwardly;

[0042] Figure 8 is Figure 7 is an enlarged view of the partial D in

[0043] List of reference signs:

[0044] 1, tank; 11, rib plate; 2, tank cover; 21, framework; 211, groove; 22, decorative cover; 23, salt adding opening; 231, first opening; 232, second opening; 24, mounting opening; 241, third opening; 242, fourth opening; 3, salt well; 31, salt well pipe; 311, connecting pipe opening; 312, grid hole; 32, salt well cover; 321, protrusion; 41, elastic card; 411, clamping block; 42, clamping groove; 51, sliding groove; 52, sliding rail. DETAILED DESCRIPTION

[0045] First, those skilled in the art should understand that the embodiments described below are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application.

[0046] It should be noted that in the description of the application, the terms indicating the direction or positional relationship of "left", "right" and the like are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0047] In addition, it needs to be explained that, in the description of the present application, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be direct connection, or indirect connection. For those skilled in the art, the specific meaning of the above-mentioned term in the present application can be understood according to the specific circumstances.

[0048] Based on the problems of the existing softener salt well installation not firm and disassembly inconvenient mentioned in the background art, the present application provides a softener salt tank, which comprises a tank body and a tank cover located at the upper part of the tank body, a salt well is arranged in the salt tank, a first clamping structure is arranged at the upper part of the salt well, a second clamping structure matched with the first clamping structure is arranged at the lower part of the tank cover, a plug-in structure is arranged at the inner side of the bottom wall of the tank body, the tank cover has an opening for adding salt and disassembling the salt well, the lower end of the salt well is plug-in connected with the plug-in structure, and the first clamping structure is clamped and connected with the second clamping structure.

[0049] When installing the salt well, the salt well is inserted into the salt tank from the opening for adding salt on the tank cover, the lower end of the salt well is plug-in connected with the plug-in structure at the inner side of the bottom wall of the tank body, and the upper end of the salt well is clamped and connected with the second clamping structure on the tank cover. When disassembling the salt well, the first clamping structure at the upper end of the salt well is disengaged from the second clamping structure on the tank cover, the lower end of the salt well is pulled out of the plug-in structure, and finally the salt well is taken out from the opening for adding salt on the tank cover. Since the size of the opening for adding salt on the tank cover is large, the salt well is taken out and placed from the opening when disassembling the salt well, which facilitates the taking and placing of the salt well, and when the lower end of the salt well is plug-in connected with the plug-in structure at the bottom of the tank body, it is convenient to observe and facilitate the quick and accurate plug-in of the lower end of the salt well. Through such a structure, the reliability of the salt well fixation is improved, and the disassembly of the salt well is facilitated.

[0050] The present application will be described below in combination with the salt tank of an integrated softener and with reference to Figures 1 to 8 The salt tank of the softener is an embodiment of the present application. Figure 1 is a structural schematic view of the salt tank of the softener of an embodiment of the present application; Figure 2 is a top view of the salt tank of the softener of an embodiment of the present application; Figure 3 is a sectional view along the plane A-A in Figure 2 ; Figure 4 is an enlarged view of the local part B in Figure 3 ; Figure 5 is an exploded view of the salt tank of the softener of an embodiment of the present application; Figure 6 is an enlarged view of the local part C in Figure 5 ; Figure 7 is a schematic view of the skeleton of the tank cover from the lower inclined upward perspective in the softener of an embodiment of the present application; Figure 8 is an enlarged view of the local part D in Figure 7 .

[0051] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 5 shown, the salt tank of the integrated water softener comprises a tank body 1 and a tank cover 2 installed on the upper part of the tank body 1, the tank cover 2 comprises a framework 21 and a decorative cover 22, the framework 21 and the decorative cover 22 are respectively formed with a first opening 231 and a second opening 232 at the same first position, the framework 21 and the decorative cover 22 are respectively formed with a third opening 241 and a fourth opening 242 at the same second position, the framework 21 is buckled on the upper part of the tank body 1, the decorative cover 22 is covered on the framework 21, the first opening 231 and the second opening 232 coincide to form a salt adding port 23, and the third opening 241 and the fourth opening 242 coincide to form a mounting port 24. A salt well 3 is arranged in the salt tank, a salt valve (not shown in the figure) is arranged in the salt well 3, a first clamping structure is arranged on the upper part of the salt well 3, a second clamping structure matched with the first clamping structure is arranged on the lower part of the tank cover 2, and an insertion structure is arranged on the inner side of the bottom wall of the tank body 1. The lower end of the salt well 3 is connected to the insertion structure in an insertion manner, and the first clamping structure is connected to the second clamping structure in a clamping manner. The salt adding port 23 is also used to take and place the salt well 3 when the salt well 3 is disassembled and assembled. The mounting port 24 is used to butt joint with a tank port of a resin tank (not shown in the figure) arranged in the tank body 1, and is used to mount a waterway switching valve (not shown in the figure).

[0052] As shown in Figure 3 , specifically, a plurality of rib plates 11 arranged in a circumferential array are arranged on the inner side of the bottom wall of the tank body 1, the rib plates 11 are elastic rib plates, and the structure surrounded by the plurality of rib plates 11 forms the insertion structure.

[0053] As shown in Figures 3 to 8 , the salt well 3 comprises a salt well pipe 31 and a salt well cover 32 sleeved on the upper end of the salt well pipe 31, the salt well cover 32 can slide relative to the salt well pipe 31 along the axial direction of the salt well pipe 31, and can also rotate relative to the salt well pipe 31 around the axis thereof. A pipe connection port 311 is arranged on the side wall of the salt well pipe 31, one end of a salt suction pipe (not shown in the figure) connected to the salt valve passes out of the salt well pipe 31 through the pipe connection port 311, and a grid hole 312 is formed in the lower part of the side wall of the salt well pipe 31, so that the salt water in the tank body 1 flows into the salt well pipe 31 and filters the flowing salt water. The upper surface of the salt well cover 32 is a convex surface (for example, an upwardly convex spherical surface) protruding upwardly, a protruding block 321 is integrally formed on the salt well cover 32, and the upper part of the protruding block 321 is provided with an elastic clamping piece 41 as the first clamping structure. Refer to Figure 3 and Figure 4As shown in the orientation, the upper surface of the protrusion 321 is a downwardly inclined surface (which can be a flat surface or a curved surface) from right to left, one end of the elastic card 41 is connected to the upper edge of the right side surface of the protrusion 321, the elastic card 41 extends horizontally to the left, the upper surface of the elastic card 41 is formed with a clamping block 411, the lower part of the framework 21 at the position of the right edge of the salt adding opening 23 is formed with a groove 211 matched with the protrusion 321, the left side and the lower side of the groove 211 are open structures (as shown in Figure 4 、 Figure 7 and Figure 8 ), the upper part of the groove 211 is formed with a clamping groove 42 on the groove wall, the protrusion 321 is formed with a sliding groove 51 as a first limiting structure on each of the two side surfaces parallel to the paper surface, and the groove 211 is formed with a sliding rail 52 as a second limiting structure on each of the two side surfaces parallel to the paper surface.

[0054] Referring to the orientation shown in Figure 3 , when the salt well 3 is installed, the upper end of the salt well 3 is held to send the salt well 3 into the box body 1 from the salt adding opening 23, and then the lower end of the salt well 3 is inserted into the interposition structure between the plurality of rib plates 11 in an inclined posture, and then the upper end of the salt well 3 is pushed to rotate the salt well 3 around the lower end by a certain angle in the plane of the paper surface in a clockwise direction, so that the protrusion 321 on the salt well cover 32 is embedded into the groove 211 at the bottom of the framework 21. During the rotation of the salt well 3 around the lower end, if it is found that the protrusion 321 is not aligned with the groove 211, the salt well cover 32 can be moved up and down relative to the salt well pipe 31 and / or rotated around the axis of the salt well pipe 31 to fine-tune the orientation of the salt well cover 32 so that the protrusion 321 is aligned with the groove 211, and then the protrusion 321 is embedded into the groove 211 with the rotation of the salt well 3. During the embedding of the protrusion 321 into the groove 211, the sliding rail 52 is inserted into the sliding groove 51 to guide the movement of the protrusion 321 and limit the height of the salt well cover 32, the elastic card 41 first deforms to swing downwardly and then restores to the original state, the clamping block 411 on the elastic card 41 is clamped into the clamping groove 42 to limit the protrusion 321 from moving out of the groove 211.

[0055] Referring to the orientation shown in Figure 3 , when the salt well 3 needs to be disassembled, part of the hand is inserted into the box body 1 from the salt adding opening 23, and the elastic card 41 is pressed downwardly, the clamping block 411 on the elastic card 41 is moved out of the clamping groove 42, the upper end of the salt well 3 is held to rotate the salt well 3 around the lower end by a certain angle in the plane of the paper surface in a counterclockwise direction, the protrusion 321 on the salt well cover 32 is moved out of the groove 211 at the bottom of the framework 21, and then the lower end of the salt well 3 is pulled out of the interposition structure, and the salt well 3 is taken out of the salt adding opening 23.

[0056] When the salt well 3 is installed, the salt well 3 is inserted into the salt tank from the salt adding opening 23, the lower end of the salt well 3 is inserted into the insertion structure on the inner side of the bottom wall of the tank body 1, and the upper end of the salt well 3 is clamped with the second clamping structure on the tank cover 2 through the first clamping structure thereon. When the salt well 3 is disassembled, the first clamping structure on the upper end of the salt well 3 is disengaged from the second clamping structure on the tank cover 2, the lower end of the salt well 3 is pulled out of the insertion structure, and finally the salt well 3 is taken out of the salt adding opening 23. Thus, the convenience of disassembling and assembling the salt well 3 is greatly improved, and the upper and lower ends of the salt well 3 are fixed respectively, thereby improving the reliability of the fixation of the salt well 3.

[0057] The salt well 3 comprises a salt well pipe 31 and a salt well cover 32 sleeved on the upper end of the salt well pipe 31. The salt well cover 32 can slide along the axial direction of the salt well pipe 31 relative to the salt well pipe 31 and can also rotate relative to the salt well pipe 31 around the axis thereof. Thus, when the manufacturing error and the assembly error cause the protrusion 321 on the salt well cover 32 and the groove 211 on the framework 21 to be misaligned, the alignment of the protrusion 321 and the groove 211 can be achieved by fine-tuning the orientation of the salt well cover 32 relative to the salt well pipe 31, thereby facilitating the installation.

[0058] The upper surface of the salt well cover 32 is a convex surface protruding upward, which can prevent the salt grains falling on the salt well cover 32 from remaining on the salt well cover 32 when the salt is added from the salt adding opening 23.

[0059] The upper surface of the protrusion 321 is a downwardly inclined inclined surface from right to left, which can prevent the salt grains from gathering and remaining in the space between the elastic card 41 and the upper surface of the protrusion 321, thereby preventing the downward pressing of the elastic card 41.

[0060] The rib plate 11 is an elastic rib plate, which can facilitate the rotation of the salt well 3 around the lower end thereof by a certain angle when the lower end of the salt well 3 is inserted into the insertion structure.

[0061] It should be noted that the sliding groove 51 serves as the first limiting structure and the sliding rail 52 serves as the second limiting structure, which is only one specific setting mode. In actual application, it can be adjusted, for example, the positions of the sliding groove 51 and the sliding rail 52 can be exchanged, and they serve as the first limiting structure and the second limiting structure respectively, or the sliding groove 51 and the sliding rail 52 can be replaced by other limiting structures. Figure 4 In the orientation shown, the right side surface of the protrusion 321 is provided with a sliding groove as the first limiting structure, and the groove wall corresponding to the groove 211 is provided with a sliding rail as the second limiting structure, and the sliding rail is inserted into the sliding groove, thereby limiting the height of the salt well cover 32. In addition, the upper surface of the protrusion 321 is a downwardly inclined inclined surface from right to left, which is only one more preferred setting mode. In actual application, it can be adjusted, for example, the upper surface of the protrusion 321 can be a horizontal surface. Furthermore, the upper surface of the salt well cover 32 is a convex surface protruding upward, which is also one more preferred setting mode. In actual application, it can be adjusted, for example, the upper surface of the salt well cover 32 is a flat surface.

[0062] It should be noted that the box cover 2 comprises the framework 21 and the decorative cover 22, which is only one specific arrangement, and in actual application, it can be adjusted, such as the box cover can be arranged to comprise only one cover body structure.

[0063] In another possible embodiment, different from the above embodiment, the two side portions of the protrusion 321, which are parallel to the plane in which the salt well 3 rotates, are respectively provided with an elastic card, one end of the elastic card is connected to the protrusion 321 and extends in the horizontal direction towards the salt adding opening 23, the surface of the elastic card away from the protrusion 321 is formed with a clamping block, and the corresponding groove wall of the groove 211 is respectively formed with a clamping groove. In the state that the lower end of the salt well 3 is inserted into the insertion structure, the upper end of the salt well 3 is pushed to make the salt well 3 rotate around the lower end by a certain angle, the protrusion 321 is embedded into the groove 211, and the clamping blocks on the two elastic cards are respectively clamped into the clamping grooves on the groove 211. When disassembling the salt well 3, two fingers need to press the two elastic cards at the same time so that the clamping blocks are removed from the clamping grooves.

[0064] In another possible embodiment, different from the above embodiment, the salt well cover 32 can only move along the axis of the salt well pipe 31 relative to the salt well pipe 31, and cannot rotate around the axis of the salt well pipe 31 relative to the salt well pipe 31. In this way, when the protrusion 321 and the groove 211 are the same in height but not aligned in angle, the salt well 3 can only be rotated as a whole or the lower end of the salt well 3 is pulled out of the insertion structure and the angle is adjusted before being inserted into the insertion structure again.

[0065] In another possible embodiment, different from the above embodiment, the salt well cover 32 is fixedly connected or integrally formed with the salt well pipe 31. In this way, when manufacturing and assembling each part of the salt tank, the part size and the assembly size need to be strictly controlled to ensure that the salt well 3 can be installed in place.

[0066] In another possible embodiment, the circumferential array of the plurality of ribs provided on the inner side of the bottom wall of the tank body 1 is inclined outward from bottom to top. That is, the structure surrounded by the plurality of ribs is a flared structure from bottom to top, which also facilitates the rotation of the salt well 3 inserted at the lower end by a certain angle. Such an arrangement also facilitates the insertion of the lower end of the salt well 3. On the basis of the above structure, preferably, the ribs are elastic plates.

[0067] In another possible embodiment, a plug (such as a bolt) as an insertion structure is pivotally connected to the bottom wall of the tank body 1, and the lower end of the salt well 3 is provided with a plug hole matched with the plug, and the plug hole of the lower end of the salt well 3 is connected with the plug.

[0068] It should be noted that the salt tank of each of the above embodiments can also not be provided with the mounting opening 24, and the resin tank is not provided in the salt tank.

[0069] In addition, the application also provides a water softener, which comprises the salt tank of the water softener according to any one of the above embodiments. The water softener can be an integrated water softener or a split water softener.

[0070] So far, the technical solutions of the application have been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the application, and the technical solutions after the changes or replacements will all fall within the protection scope of the application.

Claims

1. A salt tank for a water softener, characterised in that, The salt tank comprises a tank body and a tank cover on the upper part of the tank body, a salt well is arranged in the salt tank, the upper part of the salt well is provided with a first clamping structure, the lower part of the tank cover is provided with a second clamping structure matched with the first clamping structure, the inner side of the bottom wall of the tank body is provided with a plug-in structure, the tank cover is provided with an opening for adding salt and disassembling the salt well, the lower end of the salt well is plug-in connected with the plug-in structure, and the first clamping structure is clamped and connected with the second clamping structure. The upper end of the salt well is formed with a protrusion, the first clamping structure is arranged on the protrusion, the lower part of the tank cover is formed with a groove matched with the protrusion, the lower side and the side close to the opening of the groove are open structures, and the second clamping structure is arranged in the groove, so that the salt well is installed in place in the mode that the lower end is plug-in connected to the plug-in structure and the protrusion at the upper end is embedded in the groove after rotating by a certain angle around the lower end.

2. The salt tank of claim 1, wherein The first clamping structure is an elastic clamping piece connected to the edge of the side of the protrusion away from the opening and extending in the horizontal direction towards the opening, the second clamping structure is a clamping groove formed on the groove wall corresponding to the elastic clamping piece, in the installed state, the clamping block is embedded in the clamping groove.

3. The salt tank of claim 2, wherein, The salt well comprises a salt well pipe and a salt well cover sleeved on the upper end of the salt well pipe, the salt well cover can slide relative to the salt well pipe along the axis direction of the salt well pipe, and the protrusion is arranged on the upper part of the salt well cover.

4. The salt tank of claim 3, wherein The protrusion is formed with a first limiting structure, the groove is formed with a second limiting structure, and the first limiting structure and the second limiting structure match each other to limit the position of the salt well cover in the vertical direction.

5. The salt tank of claim 4, wherein, The elastic clamping piece is located on the upper part of the protrusion, and the clamping groove is located on the groove wall of the upper part of the groove, the first limiting structure is arranged on the side of the protrusion parallel to the plane on which the salt well rotates during installation, and the second limiting structure is arranged on the groove wall corresponding to the first limiting structure of the groove, the first limiting structure and the second limiting structure are respectively a sliding groove and a sliding rail, or the first limiting structure and the second limiting structure are respectively a sliding rail and a sliding groove.

6. The salt tank according to any one of claims 3 to 5, characterized in that The salt well cover is arranged to be able to rotate around the axis of the salt well pipe relative to the salt well pipe.

7. The salt tank according to any one of claims 3 to 5, characterized in that The upper surface of the salt well cover is a convex surface protruding upward.

8. The salt tank according to any one of claims 1 to 5, characterized in that A plurality of rib plates in a circumferential array are arranged on the inner side of the bottom wall of the tank body, the structure surrounded by the plurality of rib plates forms the plug-in structure, the rib plates are elastic plates and / or the rib plates are inclined outward from bottom to top.

9. A water softener characterized by The water softener comprises the salt tank of the water softener according to any one of claims 1 to 8.

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