CN218722310U - Outer hanging salt case subassembly and soft water heater - Google Patents

Abstract

The utility model provides an outer hanging salt case subassembly and soft water heater belongs to kitchen electricity technical field. The utility model discloses an outer hanging salt case subassembly includes box and salt box. The box body comprises a saline cavity and a salt box cavity which are connected together. The salt box is installed in the salt box cavity for holding salt. The salt box is connected with the salt water cavity of the box body through the turnover mechanism and communicated with the salt water cavity, so that the salt box can be turned over relative to the box body, and salt can be conveniently added into the salt box. The utility model discloses because this outer hanging salt case subassembly is located the outside of soft water subassembly, consequently can not occupy soft water heater's structural space. The utility model discloses a salt box adds salt in the upset for it is convenient to add salt.

Description

External hanging type salt box assembly and soft water heater

Technical Field

The utility model relates to a kitchen guarding's electrical apparatus, in particular to outer hanging salt case subassembly and soft water heater.

Background

The water heater is a device which can increase the temperature of cold water into hot water in a certain time by various physical principles. According to different principles, the water heater can be divided into an electric water heater, a gas water heater, a solar water heater and the like.

With the improvement of living standard of people, the requirement of people on daily water is higher and higher, and the demand of softening water for a water heater is met. Soft water heaters have appeared on the market that integrate a soft water assembly with a water heater assembly.

The soft water component in the existing soft water heater is provided with a larger salt box body, which seriously influences the structural space of the soft water heater. At the same time, the user needs to add regenerating salt into the salt box body periodically to reactivate the soft water resin. Because the salt box body is arranged in the soft water heater, the problem of inconvenience in adding salt still exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact structure, the outer hanging salt case subassembly of convenient salt that adds.

The utility model aims at providing a soft water heater who has above-mentioned outer hanging salt case subassembly still.

For realizing the purpose of the utility model, the utility model adopts the following technical scheme:

according to an aspect of the utility model, a hanging salt case subassembly is provided, include:

the box body comprises a brine cavity and a salt box cavity which are connected together, the brine cavity is used for containing brine, and the salt box cavity is used for installing a salt box; and

the salt box is arranged in the salt box cavity and used for containing salt;

the salt box is connected and communicated with the salt water cavity of the box body through the turnover mechanism, so that the salt box can be turned over relative to the box body, and salt can be conveniently added into the salt box.

According to the utility model discloses an embodiment, wherein, tilting mechanism includes:

the communication round hole is formed in the saline water cavity at a position close to the salt box and radially penetrates through the wall of the saline water cavity; and

the circular tube is formed in the salt box at a position close to the brine cavity and communicated with the salt box, and the circular tube is matched with the communication circular hole;

the circular tube is inserted into the communication circular hole and is in shaft rotation connection with the communication circular hole.

According to the utility model discloses an embodiment, wherein, the salt box is equipped with a plurality of grids and the grid pore that are interval arrangement along self length direction, the grid pore with the pipe intercommunication, be equipped with a plurality of slotted holes in the grid pore for permeate water.

According to the utility model discloses an embodiment, wherein, the open-top of box, the front end of salt box with not with the lateral part that the box links to each other is equipped with corresponding opening, outer hanging salt case subassembly still includes the curb plate, the curb plate is installed the lateral part opening part in salt box chamber, tilting mechanism still includes assorted fixed round hole and spacing cylinder, fixed round hole forms curb plate department, spacing cylinder forms keep away from in the salt box lateral part department in the salt water chamber, spacing cylinder inserts in the fixed round hole, with fixed round hole forms the axle and rotates and connect.

According to the utility model discloses an embodiment, wherein, the border rear portion at the top of salt box is the circular arc, the planar front portion in bottom of salt box is the inclined plane, the circular arc reaches the inclined plane makes the salt box is not interfered at the upset process.

According to an embodiment of the present invention, the radius of the circular arc is the height of the salt box, and the included angle between the inclined plane and the bottom edge of the salt box is 33 ° to 37 °.

According to the utility model discloses an embodiment, wherein, outer hanging salt case subassembly still includes solid mechanism of card, sets up the box with salt box department configures into through pressing the release the salt box playback after-fixing the salt box.

According to the utility model discloses an embodiment, wherein, the solid mechanism of card includes: mutually matched press switches arranged at the salt box cavity of the box body, an

And the clamping hook is arranged at the position corresponding to the push switch in the salt box.

According to the utility model discloses an embodiment, wherein, outer hanging salt case subassembly still includes spacing hook, sets up box department is used for hanging outer hanging salt case subassembly.

According to the utility model discloses an embodiment, wherein, the outer hanging salt case subassembly still includes infrared sensor, is used for detecting the salt stock in the salt box.

According to the utility model discloses an embodiment, wherein, outer hanging salt case subassembly still includes the apron, fixes the opening part in salt water cavity, be equipped with the water interface on the apron.

According to the utility model discloses an embodiment, wherein, the front end of salt box is equipped with the handle, the inner wall department of salt box is equipped with the strengthening rib.

According to the utility model discloses an embodiment, wherein, the quantity of salt box is two, follows the axis symmetrical arrangement in salt water chamber.

According to another aspect of the utility model, a soft water heater is provided, including soft water subassembly and hot water subassembly, still include foretell outer hanging salt tank subassembly, outer hanging salt tank subassembly hangs soft water heater department, and with the soft water subassembly links to each other, with soft water subassembly supplies salt solution.

The utility model provides an embodiment has following advantage or beneficial effect:

the utility model discloses an outer hanging salt case subassembly includes box and salt box. The box body comprises a saline cavity and a salt box cavity which are connected together. The salt box is installed in the salt box cavity for holding salt. The salt box is connected with the salt water cavity of the box body through the turnover mechanism and communicated with the salt water cavity, so that the salt box can be turned over relative to the box body, and salt can be conveniently added into the salt box. The utility model discloses because this outer hanging salt case subassembly is located the outside of soft water subassembly, consequently can not occupy soft water heater's structural space. The utility model discloses a salt box adds salt in the upset for it is convenient to add salt.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a schematic perspective view of an externally hung salt box assembly shown in accordance with an exemplary embodiment;

FIG. 2 is an exploded schematic part view of the externally hung salt box assembly shown in FIG. 1;

FIG. 3 is a schematic perspective view of the salt box shown in FIG. 1 with one side panel removed;

FIG. 4 is a schematic cross-sectional side view of the salt box shown in FIG. 3;

FIG. 5 isbase:Sub>A schematic cross-sectional view of the add-on salt tank assembly shown in FIG. 1 taken along line A-A;

figure 6 is a schematic front cross-sectional view of the salt box shown in figure 1 in a closed state;

figure 7 is a schematic front cross-sectional view of the salt box shown in figure 1 in an inverted state;

FIG. 8 is a schematic cross-sectional view illustrating the placement of a salt valve and a level switch in a saline chamber according to an exemplary embodiment;

FIG. 9 is a schematic exploded part view illustrating the assembly of a soft water heater according to an exemplary embodiment;

fig. 10 is a schematic structural view of the soft water heater shown in fig. 9.

Wherein the reference numerals are as follows:

100 of the salt box component hung outside the salt box,

1 box body, 11 saline water cavity, 12 salt box cavity, 13 communicating round hole, 14 press switch, 15 backboard, 16 clamping groove, 17 screw hole, 18 mounting groove, 19 limit hook,

2, side plates, 21 fixing round holes, 22 clamping pieces,

3 salt boxes, 3A left salt box, 3B right salt box, 31 round pipes, 32 limiting cylinders, 33 grid pore canals, 331 slotted holes, 34 top edges, 35 inclined planes, 36 baffle plates, 37 handles, 38 hooks, 39 reinforcing ribs,

4 cover plate, 41 water interface, 42 salt valve, 43 liquid level switch,

c, a turnover mechanism and D a clamping and fixing mechanism.

I a soft water heater, which is composed of a water tank,

200 water heater main part, 201 dress trim, 202 spacing draw-in groove, 203 decorative board, 204 bounding wall.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1-10, fig. 1 is a schematic perspective view of an add-on salt box assembly according to an exemplary embodiment. Figure 2 is an exploded schematic part view of the externally hung salt box assembly shown in figure 1. Fig. 3 is a schematic perspective view of the salt box shown in fig. 1 with one side panel removed. Figure 4 is a schematic cross-sectional side view of the salt box shown in figure 3. Figure 5 isbase:Sub>A schematic cross-sectional view of the add-on salt box assembly shown in figure 1 taken along linebase:Sub>A-base:Sub>A. Fig. 6 is a schematic front sectional view of the salt box shown in fig. 1 in a closed state. Figure 7 is a schematic front cross-sectional view of the salt box shown in figure 1 in an inverted state. FIG. 8 is a schematic cross-sectional view illustrating the placement of a salt valve and a level switch in a saline chamber according to an exemplary embodiment. FIG. 9 is a schematic exploded view of parts illustrating assembly of a soft water heater according to an exemplary embodiment. Fig. 10 is a schematic structural view of the soft water heater shown in fig. 9.

As shown in fig. 1, and also referring to fig. 2-8, an externally hung salt tank assembly 100 according to an embodiment of the present invention may generally include: a box body 1 and a salt box 3. The tank 1 comprises a brine chamber 11 and a salt box chamber 12 connected together. The saline chamber 11 is for containing saline. The salt box chamber 12 is used for mounting the salt box 3. The salt box 3 is mounted in the salt box cavity 12 for containing salt. Wherein the salt box 3 is connected and communicated with the salt water cavity 11 of the box body 1 through a turnover mechanism C, so that the salt box 3 can be turned over relative to the box body 1, and salt can be conveniently added into the salt box 3.

The utility model discloses a salt box 3 among outer hanging salt case subassembly 100 can be relative 1 upsets of box through tilting mechanism C to when needs add salt, manual upset salt box 3, the outside upset of salt box 3 is opened, and the convenience adds salt to in the salt box 3. The utility model discloses because this outer hanging salt case subassembly 100 can hang in the outside of soft water subassembly, consequently can not occupy soft water heater I's structural space.

In a preferred embodiment of the present invention, as shown in fig. 2, the box body 1 is a rectangular hollow shell with a transverse three-cavity structure, preferably injection molded. The middle of the box body 1 is a salt water cavity 11, and the two sides are salt box cavities 12 which are arranged in a left-right symmetrical mode. The middle brine chamber 11 is open at the top. Each salt box 3 has a top plate, a back plate 15 and a bottom plate. The front end and the side part of each salt box 3 which is not connected with the box body 1 are provided with corresponding openings. Correspondingly, the number of salt boxes 3 is two, namely a left salt box 3A and a right salt box 3B, and the left salt box 3A and the right salt box 3B can be symmetrically arranged along the central axis of the brine cavity 11.

In a preferred embodiment of the present invention, as shown in fig. 5, and also referring to fig. 2, turnover mechanism C includes: communicating the circular hole 13 with the circular tube 31. A communication circular hole 13 is formed in the brine chamber 11 at a position close to the salt box 3, the communication circular hole 13 radially penetrating the wall of the brine chamber. A circular tube 31 is formed in the salt box 3 at a position near the brine chamber 11 and communicates with the salt box 3, and the circular tube 31 is fitted with the communication circular hole 13. Wherein, the round tube 31 is inserted into the communication round hole 13 and forms a shaft rotation connection with the communication round hole 13.

More specifically, as shown in fig. 2, a communication circular hole 13 is provided at a position near the middle of the bottom edge of the partition between the salt box chamber 12 and the brine chamber 11. Preferably, the inner diameter ≈ Φ 20mm of the communication circular hole 13.

In a preferred embodiment of the present invention, as shown in fig. 3, and also referring to fig. 4-6, the salt box 3 is provided with a plurality of grids arranged at intervals along the length direction thereof and grid holes 33 extending along the length direction of the salt box 3. The grille is used for preventing large-particle salt particles filled in the salt box 3 from blocking the flow channel. The spacing of the grids is typically around 2 mm. The grill holes 33 communicate with the circular tube 31 to form a flow passage. The grill openings 33 prevent the salt particles filled in the salt box 3 from blocking the flow passage and allow the brine to flow smoothly. A plurality of slots 331 are provided in the grill opening 33 for water penetration.

In a preferred embodiment of the present invention, as shown in fig. 2, the hanging salt box assembly 100 further comprises a side plate 2, the side plate 2 being mounted at the side opening of the salt box cavity 12. In specific implementation, the side plate 2 is clamped with the salt box cavity 12. In this example, a plurality of slots 16 for connecting the side plates 2 are arranged on the side end surface of the salt box cavity 12. The side plate 2 is a rectangular plastic plate, and a plurality of cards 22 matched with the clamping grooves 16 on the side end face of the salt box cavity 12 of the box body 1 are arranged at the edge of the side plate 2.

Further, as shown in fig. 2 and also shown in fig. 5, the turnover mechanism C further includes a fixing circular hole 21 and a limiting cylinder 32 which are matched with each other. Fixing circular holes 21 are formed at the side plates 2. A limiting cylinder 32 is formed in the salt box 3 at the side far from the brine chamber 11, and the limiting cylinder 32 is inserted into the fixing round hole 21 to form a shaft rotation connection with the fixing round hole 21. In this example, a fixing round hole 21 matched with the limiting cylinder 32 of the salt box 3 is arranged at the middle position of the bottom of the side plate 2.

In specific implementation, as shown in fig. 5, taking the left salt box 3A as an example, from left to right, a circular tube 31, a grid pore passage 33 and a limiting cylinder 32 which are coaxial may be sequentially disposed at the middle position of the bottom of the salt box 3. The round pipe 31 is positioned at the left side of the salt box 3 and is communicated with the grating pore passage 33, and the outer diameter of the round pipe 31 is approximately equal to phi 20mm. The limiting cylinder 32 is arranged at the right side of the salt box 3. The limiting cylinder 32 is matched with the fixing round hole 21 in the side plate 2 on the right side.

In a preferred embodiment of the invention, as shown in fig. 4, the top of each salt box 3 is rounded at the rear of the edge. The radius of the arc is the height of the salt box 3. More specifically, the rear half lateral profile of the top edge 34 of the salt box 3 is circular arc-shaped. The radius of the arc R is equal to the distance from the central axis of the circular tube 31 to the top edge 34 of the salt box 3. The front of the bottom plane of the salt box 3 is a bevel 35. More specifically, the angle between the inclined surface 35 and the bottom edge of the salt box 3 is 33-37 deg.. More specifically, the lateral profile of the front half of the bottom of the salt box 3 is a bevel 35, the bevel 35 being tangential to the periphery of the circular tube 31 and making an angle ≈ 35 ° with the bottom edge of the salt box 3, so that the salt box 3 does not interfere when turned over. The arc and the inclined plane 35 enable the salt box 3 not to interfere in the turning process.

Preferably, as shown in fig. 4, the baffle 26 is disposed at the front end of the lower inclined plane 35 of the salt box 3, so as to beautify the front appearance of the salt box 3.

In a preferred embodiment of the present invention, as shown in fig. 6 and also see fig. 7, the externally hung salt box assembly 100 further comprises a fastening mechanism D disposed at the box body 1 and the salt box 3 and configured to release the salt box 3 by pressing, and fix the salt box 3 after the salt box 3 is returned to its original position.

In a preferred embodiment of the present invention, as shown in fig. 6 and also in fig. 7, the fastening mechanism D includes: the push switch 14 and the hook 38 are matched with each other. A push switch 14 is provided at the salt box chamber 12 of the case 1. The catch 38 is provided in the salt box 3 at a position corresponding to the push switch 14. More specifically, in this example, the push switch 14 is arranged at a central position on the upper front of each of the salt box chambers 12. A hook 38 matched with the push switch 14 of the box body 1 is arranged in the middle of the top edge 34 of the front wall of each salt box 3, so that the salt box 3 can be fixed conveniently. Through above-mentioned structure, avoided salt box 3 to drop and damaged the risk.

In a preferred embodiment of the present invention, as shown in fig. 1, the externally hung salt tank assembly 100 further comprises a limiting hook 19 disposed at the tank body 1 for hanging the externally hung salt tank assembly 100. More specifically, in the present embodiment, a stopper hook 19 is provided at a top position of the tank body 1 to connect the externally hung salt tank assembly 100 at the bottom of the cabinet of the soft water heater I.

The assembly process of the utility model, as shown in fig. 2, can also refer to fig. 5-6, respectively embed the left salt box 3A and the right salt box 3B in the salt box cavities 12 at both sides of the box body 1. The round tube 31 of the salt box 3 is connected with the communication round hole 13 of the brine cavity 11 of the box body 1, and is provided with a sealing ring 6 for sealing. The hook 38 of the salt box 3 is matched with the push switch 14 of the box body 1. The side plates 2 are arranged on two sides of the box body 1, and the fixing round holes 21 of the side plates 2 are matched and aligned with the limiting cylinders 32 of the salt box 3. The clamping piece 22 of the side plate 2 is fixedly connected with the clamping groove 16 on the side surface of the salt box cavity 12. At the moment, the saline cavity 11 of the box body 1 is respectively communicated with the left salt box 3A and the right salt box 3B, and each salt box 3 can rotate around the saline cavity 11 communication round hole 13. As shown in fig. 6, when the salt box 3 is closed, the switch 14 is pressed to fix the hook 38 to prevent the salt box 3 from rotating. As shown in fig. 7, when the salt box 3 is pressed again, the switch 14 is pressed to release the hook 38, and the handle 37 is pulled to turn the salt box 3 from the front until the inclined surface 35 of the salt box 3 abuts against the bottom edge of the box body 1, at which time, the granular salt can be filled manually.

In a preferred embodiment of the present invention, as shown in fig. 1, the externally hung salt box assembly 100 further comprises an infrared sensor for detecting the amount of salt in the salt box 3, so as to remind the user to add regenerating salt in time. More specifically, in this example a mounting slot 18 for fixing an infrared sensor is provided in the middle of the top of the salt box chamber 12.

In a preferred embodiment of the present invention, as shown in fig. 2, the externally hung salt box assembly 100 further comprises a cover plate 4 fixed to the opening of the brine chamber 11. The cover plate 4 is provided with a water interface 41. Preferably, in this embodiment, the cover plate 4 is a rectangular plastic plate, and the shape of the cover plate 4 matches the top of the saline chamber 11 of the housing 1. A water connection 41, preferably a 2 minute quick-connect connection, is provided on the cover plate 4. More specifically, a screw hole 17 for connecting the cover plate 4 is provided at the top of the brine chamber 11, and the cover plate 4 is mounted at the top of the brine chamber 11 by screws.

In a preferred embodiment of the present invention, as shown in fig. 3, the front end of the salt box 3 is provided with a handle 37 for turning the salt box 3 by hand. The inner wall of the salt box 3 is provided with a reinforcing rib 39 for improving the strength of the salt box 3. The volume of a single salt box 3 is between 1 and 2L, and each salt box 3 can be filled with about 2 to 3kg of regenerated salt. Preferably, the front end of the lower inclined plane 35 of the salt box 3 is provided with a baffle 36, so that the front appearance of the salt box 3 can be beautified.

Referring also to fig. 2, in this embodiment, the external hanging salt box assembly 100 further includes a salt valve 42, as shown in fig. 8. More specifically, the salt valve 42 is fixedly connected with the cover plate 4, and then the cover plate 4 is fixed above the brine cavity 11 of the box body 1 by adopting a screw 5 or a buckle connection mode, so that the regeneration function of the soft water resin is realized, and water is supplemented and the brine is absorbed through the water interface 41 of the cover plate 4. Wherein, the salt valve 42 is the existing product on the market and can be purchased outside. More preferably, a liquid level switch 43 is arranged at the cover plate 4 to prevent overflow fault during regeneration water supplement.

As shown in fig. 9 and 10, the present embodiment further provides a soft water heater I, which generally comprises a water heater main body 200 and the above-mentioned externally-hung salt tank assembly 100. The water heater main body 200 includes a water softening assembly and a hot water assembly. The externally-mounted salt tank assembly 100 is suspended at the soft water heater I and connected to the soft water assembly to supply brine to the soft water assembly.

In specific implementation, as shown in fig. 9, the soft water heater I further includes a decorative cover 201, a decorative plate 203 and a coaming 204. The bottom of the water heater main body 200 is provided with a limit clamping groove 202.

As shown in fig. 9 and 10, in the present embodiment, after the main installation of the water heater is completed, the externally-mounted salt tank assembly 100 is connected to the surrounding plate 204, the water port 41 of the externally-mounted salt tank assembly 100 is connected to the salt suction pipe of the soft water module inside the water heater main body 200, the limit hook 19 of the tank body 1 is connected to the limit slot 202 of the lower plate of the water heater main body 200, and the externally-mounted salt tank assembly 100 is suspended below the water heater main body 200. And then the enclosing plate 204 is connected and fixed with the lower plate of the water heater main body 200, the decorative side plates 2 are additionally arranged on two sides of the externally-hung salt tank assembly 100, and the decorative cover 201 is additionally arranged on the front surface of the externally-hung salt tank assembly 100, so that the soft water heater I can be assembled, and the requirements of users on bathing soft water are met.

In embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to mean, for example, that "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.

In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims (14)

1. An externally hung salt tank assembly, comprising:

the box body (1) comprises a brine cavity (11) and a salt box cavity (12) which are connected together, wherein the brine cavity (11) is used for containing brine, and the salt box cavity (12) is used for installing a salt box (3); and

a salt box (3) mounted within the salt box cavity (12) for containing salt;

the salt box (3) is connected and communicated with the brine cavity (11) of the box body (1) through a turnover mechanism (C), so that the salt box (3) can be turned over relative to the box body (1) to facilitate adding salt into the salt box (3).

2. The hanging salt tank assembly as defined in claim 1, wherein the turnover mechanism (C) comprises:

the communication round hole (13) is formed in the saline water cavity (11) at a position close to the salt box (3), and the communication round hole (13) radially penetrates through the wall of the saline water cavity; and

the round pipe (31) is formed in the salt box (3) and is close to the position of the saline cavity (11) and communicated with the salt box (3), and the round pipe (31) is matched with the communication round hole (13);

wherein the round tube (31) is inserted into the communication round hole (13) and forms a shaft rotating connection with the communication round hole (13).

3. An externally hung salt box assembly as claimed in claim 2, wherein the salt box (3) is provided with a plurality of grates and grate openings (33) spaced apart along its length, the grate openings (33) communicating with the circular tube (31), the grate openings (33) being provided with a plurality of slots (331) therein for allowing water to pass through.

4. The hanging salt box assembly as claimed in claim 2, characterized in that the box body (1) is open at the top, the front end of the salt box (3) and the side not connected with the box body (1) are provided with corresponding openings, the hanging salt box assembly (100) further comprises a side plate (2), the side plate (2) is installed at the side opening of the salt box cavity (12), the turnover mechanism (C) further comprises a matched fixing round hole (21) and a limiting cylinder (32), the fixing round hole (21) is formed at the side plate (2), the limiting cylinder (32) is formed at the side of the salt box (3) far away from the salt water cavity (11), and the limiting cylinder (32) is inserted into the fixing round hole (21) and forms a shaft-rotating connection with the fixing round hole (21).

5. An external hanging salt box assembly as claimed in claim 1 wherein the top of the salt box (3) is rounded at the rear of the rim and the bottom planar front of the salt box (3) is a ramp (35), the rounded and ramp (35) being such that the salt box (3) does not interfere during tipping.

6. An external salt box assembly as claimed in claim 5 wherein the radius of the arc is the height of the salt box (3) and the angle of the ramp (35) is 33 ° -37 ° to the bottom edge of the salt box (3).

7. An externally hanging salt box assembly according to claim 1 further comprising a snap mechanism (D) disposed at the box (1) and the salt box (3) configured to release the salt box (3) by pressing and secure the salt box (3) after the salt box (3) is repositioned.

8. An add-on salt tank assembly as claimed in claim 7 wherein the retaining mechanism (D) comprises: are matched with each other

A push switch (14) arranged at the salt box cavity (12) of the box body (1), and

a catch (38) provided in the salt box (3) at a location corresponding to the push switch (14).

9. The add-on salt box assembly according to claim 1, further comprising a retainer hook (19) provided at the box (1) for hanging the add-on salt box assembly (100).

10. An add-on salt box assembly as claimed in claim 1 further comprising an infrared sensor for sensing the salt inventory in the salt box (3).

11. An external salt box assembly according to claim 1 further comprising a cover plate (4) fixed to the opening of the brine chamber (11), the cover plate (4) having a water port (41) formed therein.

12. An externally hung salt box assembly as claimed in claim 1, wherein the salt box (3) is provided with a handle (37) at the front end and reinforcing ribs (39) at the inner wall of the salt box (3).

13. An external hanging salt box assembly as claimed in any one of claims 1 to 12 wherein the number of salt boxes (3) is two, symmetrically arranged along the central axis of the brine chamber (11).

14. A soft water heater comprising a water softening assembly and a water heating assembly, characterized by further comprising an externally hung salt tank assembly (100) as claimed in any one of claims 1 to 13, the externally hung salt tank assembly (100) being hung at the soft water heater (I) and connected to the water softening assembly to supply brine to the water softening assembly.

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