Detergent box, water inlet system and washing machine for washing machine

Abstract

The present invention relates to a detergent box for a washing machine, comprising: a detergent box main body, wherein the detergent box main body is provided with a box body with a built-in soft water medium, the box body having a first water inlet connected to a water inlet, external water entering the box body through the first water inlet is softened, and then becomes soft water through the action of the soft water medium, and is discharged from a first water outlet on the box body for washing, so as to improve the washing water quality and simplify the arrangement of the detergent box; the softened soft water can be used to enter the detergent box, so as to improve the washing efficiency, reduce the amount of detergent, and improve the user experience; in addition, a regeneration box arranged on the detergent box can be used to provide regeneration materials, so as to replace calcium and magnesium ions in the soft water medium in the box body, so as to reuse the soft water medium; the present invention also relates to a corresponding water inlet system and a washing machine.

Description

Technical Field

[0001] The invention relates to the field of washing water inlet structures for washing machines, and in particular to a detergent box, a water inlet system and a washing machine. Background Art

[0002] Washing machines are one of the indispensable household appliances in people's daily lives. Washing machines have brought great convenience to people's laundry. In 2010, from a national perspective, the penetration rate of washing machine market in my country has exceeded 76%, of which the urban market has exceeded 96% and the rural market has exceeded 53%, which shows that the penetration rate of washing machines in China is getting higher and higher. In some areas, the content of calcium and magnesium ion compounds in groundwater is high, and these waters are called hard water. Hard water makes detergent surfactants lose their vitality and reduces washing ability; calcium and magnesium ions in hard water combine with surfactants in detergents to form metal salts; affecting the appearance of fabrics. Calcium ions make some dirt still adhere to fabrics after washing; make fabrics hard, lose their original softness, shorten the service life of fabrics; greatly shorten the service life of washing equipment. The scale produced by hard water will corrode the metal of washing machines. In summary, hard water increases the amount of detergent used, increases the number of rinsing times, prolongs the washing time, and causes waste of water, detergents, and manpower; therefore, a device that is easy to place and can soften water for washing in washing machines is needed. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a detergent box, a water inlet system and a washing machine for a washing machine.

[0004] The technical solution of the present invention is summarized as follows:

[0005] The present invention provides a detergent box for a washing machine, comprising:

[0006] The detergent box body is provided with a box body with a built-in soft water medium. The box body has a first water inlet connected to the water inlet. After the external water enters the box body through the first water inlet and is softened, it is formed into soft water by the action of the soft water medium and is discharged from the first water outlet on the box body for washing.

[0007] Preferably, the first water outlet is connected to the water inlet end of the detergent box body through a first water outlet pipe, so that the detergent in the detergent box is flushed with soft water and enters the washing tub through the outlet at the bottom of the detergent box.

[0008] Preferably, the detergent box body includes a box cover, a storage box, a box shell, and a dosing pump; the storage box is accommodated in the internal space formed by the box shell and the box cover, and is used to store detergent; the dosing pump delivers the detergent in the storage box to the bottom of the box shell, and the soft water at the water inlet end is mixed with the detergent at the bottom of the box shell and enters the washing drum from the discharge port at the bottom of the box shell.

[0009] Preferably, the box cover includes a first box cover and a second box cover; the first box cover is arranged on the upper part of the second box cover and fixedly connected, and the first box cover has the water inlet end; the second box cover has a washing liquid inlet connected to a delivery pump, and a mixed liquid outlet connected to the bottom of the detergent box; the delivery pump sucks the detergent in the storage box and enters the second box cover from the washing liquid inlet, and external soft water enters from the water inlet end, flushes the washing liquid to form a mixed liquid, and enters the bottom of the detergent box from the mixed liquid outlet.

[0010] Preferably, the delivery pump includes a first delivery inlet and a second delivery inlet; the storage box has a first storage chamber for storing the first washing liquid and a second storage chamber for storing the second washing liquid; the first delivery inlet is connected to the first storage chamber, and the second delivery inlet is connected to the second storage chamber; the delivery pump can selectively deliver the first washing liquid or the second washing liquid.

[0011] Preferably, the detergent box body is also provided with a regeneration box; the box body also includes a second water inlet and a second water outlet, and the second water inlet is connected to the regeneration box; the regeneration liquid in the regeneration box enters the box body through the second water inlet to restore the soft water performance of the soft water medium in the box body, and the generated waste water is discharged from the second water outlet.

[0012] Preferably, the regeneration material is stored in the regeneration box, and the regeneration box includes a regeneration water inlet and a regeneration water outlet, and the regeneration water outlet is connected to the second water inlet of the box body; external water enters the regeneration box through the regeneration water inlet, forms a regeneration liquid with the regeneration material, and the regeneration liquid is discharged from the regeneration water outlet and enters the box body through the second water inlet.

[0013] Preferably, the detergent box body includes a box cover, a storage box, a box shell, and a dispensing pump; the storage box is accommodated in the internal space formed by the box shell and the box cover, and is used to store detergent; the dispensing pump delivers the detergent in the storage box to the bottom of the box shell, and the soft water at the water inlet end is mixed with the detergent at the bottom of the box shell and enters the washing drum through the discharge port at the bottom of the box shell; the storage box also includes a regeneration box for storing recycled materials.

[0014] Preferably, the storage box includes a first storage chamber for storing a first washing liquid, a second storage chamber for storing a second washing liquid, and a regeneration box for storing a regeneration material.

[0015] The present invention also relates to a water inlet system for a washing machine, comprising a detergent box for a washing machine as described above, and a water inlet pipe connected to the first water inlet, so as to deliver external water into the box body through the water inlet pipe.

[0016] The present invention also relates to a water inlet system for a washing machine, comprising a detergent box for a washing machine as described above, and a water inlet pipe connected to the first water inlet and the regeneration water inlet; so as to deliver external water into the box body or the regeneration box through the water inlet pipe.

[0017] Preferably, the water inlet pipe is provided with a three-way valve, having a first inlet, a first interface, and a second interface; the first inlet is selectively connected to the first interface or the second interface; when the first inlet is connected to the first interface, external water enters the box body from the first inlet through the first interface to filter and soften the water; when the first inlet is connected to the second interface, external water enters the regeneration box from the first inlet through the second interface to generate regeneration liquid.

[0018] The present invention also relates to a washing machine, comprising a washing drum and the above-mentioned water inlet system for the washing machine, wherein softened inlet water enters the washing drum for washing.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention provides a detergent box, a water inlet system and a washing machine for a washing machine. A box body is arranged on the detergent box, and the inlet water of the washing machine is softened through the box body to improve the washing water quality. At the same time, the arrangement of the washing machine box body can be simplified. The box body can be integrated with the detergent box or installed at the bottom or side of the detergent box. The box body is arranged reasonably to improve the overall layout of the washing machine. Furthermore, softened soft water can be used to enter the detergent box, which can improve the washing efficiency, reduce the amount of detergent, and improve the user experience. In addition, a regeneration box can be integrated on the detergent box to replace the soft water medium in the soft water box to reuse the soft water medium.

[0021] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0023] Figure 1It is a schematic diagram of the three-dimensional structure of a detergent box for a washing machine of the present invention;

[0024] Figure 2 It is a schematic diagram of the exploded structure of the detergent box for a washing machine of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of a detergent box for a washing machine according to the present invention from a main perspective;

[0026] Figure 4 It is a schematic diagram of the structure of the detergent box for a washing machine of the present invention from a rear perspective;

[0027] Figure 5 It is a schematic diagram of the structure of a detergent box for a washing machine of the present invention from a bottom-up perspective;

[0028] Figure 6 It is a schematic diagram of the structure of a detergent box for a washing machine of the present invention from a left perspective;

[0029] Figure 7 It is a schematic diagram of the top view of the second box cover of the detergent box for a washing machine of the present invention;

[0030] Figure 8 It is a schematic structural diagram of an internal storage box of a detergent box for a washing machine of the present invention;

[0031] Fig. 9 The present invention is a schematic structural diagram of a box shell of a detergent box for a washing machine, that is, a bottom of the box shell.

[0032] Description of reference numerals:

[0033] 1-box body; 11-first water inlet; 12-first water inlet pipe; 13-second water inlet; 14-second water inlet pipe; 15-first water outlet; 16-first water outlet pipe; 17-second water outlet;

[0034] 2-three-way valve; 21-first interface; 22-second interface; 23-first inlet; 25-regeneration water inlet pipe;

[0035] 3-Detergent box body;

[0036] 4-storage box; 41-first storage chamber; 42-second storage chamber; 43-regeneration box; 44-regeneration water outlet; 45-regeneration water inlet;

[0037] 5-second box cover; 52-mixed liquid outlet; 53-washing liquid inlet;

[0038] 6-first box cover; 61-water inlet end;

[0039] 7-box housing; 71-discharge port; 72-mixed liquid channel;

[0040] 8-delivery pump; 81-first delivery inlet; 82-second delivery inlet; 83-delivery outlet. DETAILED DESCRIPTION

[0041] The present invention is further described in detail below in conjunction with the accompanying drawings, and the aforementioned and other purposes, features, aspects and advantages of the present invention will become more obvious, so that those skilled in the art can implement it with reference to the text of the specification. In the accompanying drawings, for the sake of clarity, the shapes and sizes can be enlarged, and the same reference numerals will be used in all figures to indicate the same or similar parts. In the following description, words such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or position relationship shown in the accompanying drawings. In particular, "height" is equivalent to the size from top to bottom, "width" is equivalent to the size from left to right, and "depth" is equivalent to the size from front to back. These relative terms are for the convenience of explanation and are generally not intended to require specific orientation. Terms related to attachment, connection, etc. (for example, "connection" and "attachment") refer to the relationship between these structures directly or indirectly fixed or attached to each other through intermediate structures, and movable or rigid attachment or relationship, unless otherwise explicitly stated.

[0042] Next, the present invention is further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. It should be understood that the terms such as "having", "including" and "comprising" used herein do not specify the existence or addition of one or more other elements or their combinations.

[0043] The present invention provides a detergent box for a washing machine, such as Figure 1 , 3 As shown, it includes: a detergent box body 3, the detergent box body 3 is provided with a box body 1, the box body 1 has a first water inlet 11 connected to the water inlet, the external water enters the box body 1 through the first water inlet 11 and softens to form soft water, which is discharged from the first water outlet 15 on the box body 1 for washing; the box body is provided on the detergent box, and the water entering the washing machine is softened through the box body to improve the washing water quality, and at the same time, the layout of the washing machine box body can be simplified, which can be integrated with the detergent box, or installed at the bottom or side of the detergent box, etc., the box body is reasonably arranged, the layout of the overall washing machine is improved, and the spatial arrangement of the water inlet components in the washing machine is optimized; further, the softened soft water can be used to enter the detergent box, which can improve the washing efficiency, reduce the amount of detergent, and improve the user experience.

[0044] In some embodiments, Figure 1 , 3As shown, the first water outlet 15 is connected to the water inlet end 61 of the detergent box body 3 through the first water outlet pipe 16, so that the detergent in the detergent box is flushed with soft water and enters the washing drum from the discharge port 71 at the bottom of the detergent box. Furthermore, softened soft water can be used to enter the detergent box, which can improve washing efficiency, reduce the amount of detergent added, and improve user experience.

[0045] In some embodiments, Figure 2 As shown, the detergent box body 3 includes a box cover, a storage box 4, a box shell 7, and a dosing pump 8; the storage box 4 is accommodated in the internal space formed by the box shell 7 and the box cover, and is used to store detergent; the dosing pump 8 sends the detergent in the storage box 4 to the bottom of the box shell 7, and the soft water at the water inlet end 61 is mixed with the detergent at the bottom of the box shell 7, and enters the washing drum from the discharge port 71 at the bottom of the box shell 7; the detergent box can be set to be able to pre-store detergent. When needed, the pre-stored detergent is put into the bottom of the detergent box through the dosing pump, and the detergent is flushed by softened soft water and discharged from the discharge port 71 at the bottom, which can be conveniently dosed.

[0046] In some embodiments, Figure 2 , 7 As shown, the box cover includes a first box cover 6 and a second box cover 5; the first box cover 6 is arranged on the upper part of the second box cover 5 and is fixedly connected, and the first box cover 6 has a water inlet end 61; the second box cover 5 has a washing liquid inlet 53 connected to the delivery pump 8, and a mixed liquid outlet 52 connected to the bottom of the detergent box; the delivery pump 8 sucks the detergent in the storage box 4 and enters the second box cover 5 through the washing liquid inlet 53, and external soft water enters through the water inlet end 61, flushes the washing liquid to form a mixed liquid, and enters the bottom of the detergent box through the mixed liquid outlet 52; the water inlet can be reasonably arranged to achieve the purpose of fully flushing the detergent.

[0047] In some embodiments, Figure 2 , 8 As shown in , 9, the dosing pump 8 includes a first dosing inlet 81 and a second dosing inlet 82; the storage box 4 has a first storage chamber 41 for storing a first washing liquid and a second storage chamber 42 for storing a second washing liquid; the first dosing inlet 81 is connected to the first storage chamber 41, and the second dosing inlet 82 is connected to the second storage chamber 42; the dosing pump 8 can selectively dispense the first washing liquid or the second washing liquid; in some scenarios, laundry detergent and softener can be dispensed, and the dosing pump can select one of them.

[0048] In some embodiments, Figure 1 , 2As shown in Figures 4 and 6, the detergent box body is further provided with a regeneration box 43; the box body 1 also includes a second water inlet 13 and a second water outlet 17, and the second water inlet 13 is connected to the regeneration box 43; the regeneration liquid in the regeneration box 43 enters the box body 1 through the second water inlet 13 to restore the soft water performance of the soft water medium in the box body 1, and the generated waste water is discharged through the second water outlet 17; the regeneration box can also be integrated on the detergent box to replace the soft water medium in the soft water box so as to reuse the soft water medium.

[0049] In some embodiments, Figure 3 , 4 As shown in Figures 5 and 8, the regeneration material is stored in the regeneration box 43, and the regeneration box 43 includes a regeneration water inlet 45 and a regeneration water outlet 44. The regeneration water outlet 44 is connected to the second water inlet 13 of the box body 1; external water enters the regeneration box 43 through the regeneration water inlet 45, forms a regeneration liquid with the regeneration material, and the regeneration liquid is discharged from the regeneration water outlet 44 and enters the box body 1 through the second water inlet 13.

[0050] The present invention also relates to a water inlet system for a washing machine, comprising a detergent box for a washing machine as described above, and a water inlet pipe connected to a first water inlet 11 to deliver external water into the box body 1 through the water inlet pipe.

[0051] The present invention also relates to a water inlet system for a washing machine, comprising a detergent box for a washing machine as described above, and a water inlet pipe connected to a first water inlet 11 and a regeneration water inlet 45, so as to deliver external water into the box body 1 or the regeneration box 43 through the water inlet pipe.

[0052] In some embodiments, Figure 5 , 9 As shown, a three-way valve 2 is provided in the water inlet pipe, which has a first inlet 23, a first interface 21, and a second interface 22; the first inlet 23 is selectively connected to the first interface 21 or the second interface 22; when the first inlet 23 is connected to the first interface 21, external water enters the box body 1 from the first inlet 23 through the first interface 21 to filter and soften the water; when the first inlet 23 is connected to the second interface 22, external water enters the regeneration box 43 from the first inlet 23 through the second interface 22 to generate regeneration liquid.

[0053] The present invention also relates to a washing machine, comprising a washing drum and the water inlet system for the washing machine as described above, wherein softened inlet water enters the washing drum for washing.

[0054] Specifically, Figure 2As shown, the storage box 4 of the detergent box body 3 has three accommodating spaces, namely a first storage cavity 41 for storing a first detergent, a second storage cavity 42 for storing a second detergent, and a regeneration box 43 for storing a regenerated material; the first detergent may be a laundry detergent used in the main wash stage, the second detergent may be a softener used in the rinse stage, and the regenerated material may be regeneration salt, and when replenishment is needed, the storage box 4 may be pulled out to replenish detergent or regeneration salt; it can be understood that the regeneration box 43 is assembled in the space of the storage box 4 here to achieve reasonable utilization of the storage box, and the regeneration salt can be replenished like replenishing detergent.

[0055] In a conventional water softening process, Figure 1 , 5 As shown, the three-way valve 2 is switched to the first inlet 23 to communicate with the first interface 21, and the external water enters the three-way valve 2 through the first inlet 23; Figure 3 , 8 As shown, the first interface 21 passes through the first outlet pipe 12, reaches the first water inlet 11 of the box body 1, and enters the box body 1. The box body 1 is provided with a soft water medium. Specifically, the soft water medium can be a softening resin; the resin absorbs and filters the calcium and magnesium compounds to generate soft water, and then it is discharged from the first outlet 15; Figure 2 , 3 4, the specific box body can be integrated in the lower part of the detergent box, or a box body can be set in the space inside the detergent box, and can also be detachably installed on the side of the detergent box; the specific form of the box body can be as shown in the figure, using two main chambers on the left and right to increase the path of adsorption filtration and achieve a better filtration effect; then the soft water discharged from the first water outlet 15 reaches the water inlet end 61 of the detergent box through the first water outlet pipe 16.

[0056] Afterwards, if Figure 2 As shown, the detergent box body 3 includes a box cover, a storage box 4, a box shell 7, and a dosing pump 8; the storage box 4 is accommodated in the internal space formed by the box shell 7 and the box cover, and is used to store detergent; the dosing pump 8 sends the detergent in the storage box 4 to the bottom of the box shell 7, and the soft water from the water inlet end 61 mixes with the detergent at the bottom of the box shell 7 and enters the washing drum from the discharge port 71 at the bottom of the box shell 7; the detergent box can be set to be able to pre-store detergent. When needed, the pre-stored detergent is put into the bottom of the detergent box through the dosing pump, and the detergent is flushed by softened soft water and discharged from the discharge port 71 at the bottom, which can be convenient for dosing; the box cover includes a first box cover 6 and a second box cover 5, and the water inlet end 61 of the detergent box is set on the first box cover 6, and the soft water enters the space channel between the first box cover 6 and the second box cover 5 from the water inlet end 61, as shown in FIG. Figure 7The channel on the second box cover 5 shown; at the same time, the delivery pump 8 can draw the laundry liquid in the first storage chamber 41 through the first delivery inlet 81, with the delivery pump providing power, to the delivery outlet 83, and reach the washing liquid inlet 53 on the second box cover 5; at this time, the soft water passes through here, mixes with the laundry liquid and flushes, and reaches the mixed liquid outlet 52. The mixed liquid outlet can be set in a porous shower shape to make the laundry liquid mixed and dispersed evenly; after entering the mixed liquid outlet 52, downward, the box shell 7 is provided with a mixed liquid channel 72 at the corresponding position, so that the mixed liquid on the second box cover 5 can reach the bottom of the box shell 7 through the mixed liquid channel 72, and then according to the slope design of the bottom of the box shell 7, the discharge outlet 71 is the bottom, and the mixture of soft water and laundry liquid flows out from the discharge outlet 71, and the discharge outlet 71 is connected with the water inlet of the washing drum, and finally the mixture of soft water and laundry liquid reaches the washing drum.

[0057] After being used for many times, the softened resin in the box body 1 absorbs calcium and magnesium compounds to saturation. Figure 2 , 3 , 4, 6, the three-way valve 2 can be switched to connect the first inlet 23 with the second interface 22, and the external water enters the three-way valve 2 from the first inlet 23, passes through the second interface 22, and the regeneration water inlet pipe 25 connects the second interface 22 and the regeneration water inlet 45, then reaches the regeneration water inlet 45 through the regeneration water inlet pipe 25 and enters the regeneration box 43, dissolves the regeneration material in the regeneration box 43, such as regeneration salt, and after mixing, the regeneration salt solution is discharged from the regeneration water outlet 44, passes through the second water inlet pipe 14 to the second water inlet 13 of the box body 1, and enters the box body 1, which can replace the calcium and magnesium ions in the softening resin, thereby restoring the softening water performance of the softening resin, so that the softening resin can be repeatedly used with low cost; the waste water formed thereafter can be discharged from the second water outlet 17, specifically, it can be discharged from the drainage pipe connected to the washing machine.

[0058] By adopting the integrated detergent box module, the softening process of water inlet can be completed at the detergent box, and the softened water can also be conveniently put into the detergent box to flush the detergent into the washing tub, thereby improving the softening efficiency and the flushing efficiency of the detergent; and a regeneration box integrated on the detergent box can be used to reduce the layout of the regeneration pipeline, replace the calcium and magnesium ions in the softening box, and reuse them; and the softening box is arranged on the storage box of the detergent box, and the regeneration salt can be replaced and replenished in the same way as replenishing laundry detergent and softener, which is easy to operate.

[0059] It should be pointed out that the soft water medium can also be a filter membrane, and the regenerated material can be the backwashing of the filter membrane by using the formed filtrate to flush the filter membrane, so as to extend the service life of the filter membrane.

[0060] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to specific details.

Claims

1. A detergent box for a washing machine, characterized in that: include: A detergent box body (3), the detergent box body (3) being provided with a box body (1) having a built-in soft water medium, the box body (1) having a first water inlet (11) connected to water, external water entering the box body (1) through the first water inlet (11) and being softened, is then formed into soft water by the action of the soft water medium and is discharged from a first water outlet (15) on the box body (1) for use in washing; The first water outlet (15) is connected to the water inlet (61) of the detergent box body (3) via a first water outlet pipe (16) so as to use soft water to flush the detergent in the detergent box and allow the detergent to enter the washing tub through the outlet (71) at the bottom of the detergent box; The detergent box body (3) comprises a box cover, a storage box (4), a box shell (7), and a dosing pump (8); the storage box (4) is accommodated in an internal space formed by the box shell (7) and the box cover, and is used to store detergent; the dosing pump (8) delivers the detergent in the storage box (4) to the bottom of the box shell (7); the soft water at the water inlet end (61) is mixed with the detergent at the bottom of the box shell (7), and enters the washing tub through the discharge port (71) at the bottom of the box shell (7); The box cover comprises a first box cover (6) and a second box cover (5); the first box cover (6) is arranged on the upper part of the second box cover (5) and is fixedly connected, and the first box cover (6) has the water inlet end (61); the second box cover (5) has a washing liquid inlet (53) connected to a delivery pump (8), and a mixed liquid outlet (52) connected to the bottom of the detergent box; the delivery pump (8) sucks the detergent in the storage box (4) and enters the second box cover (5) through the washing liquid inlet (53); external soft water enters through the water inlet end (61) to flush the washing liquid to form a mixed liquid, and enters the bottom of the detergent box through the mixed liquid outlet (52); The delivery pump (8) comprises a first delivery inlet (81) and a second delivery inlet (82); the storage box (4) comprises a first storage chamber (41) for storing a first washing liquid and a second storage chamber (42) for storing a second washing liquid; the first delivery inlet (81) is in communication with the first storage chamber (41), and the second delivery inlet (82) is in communication with the second storage chamber (42); the delivery pump (8) can selectively deliver the first washing liquid or the second washing liquid.

2. The detergent box for a washing machine according to claim 1, characterized in that: The detergent box body is further provided with a regeneration box (43); the box body (1) further comprises a second water inlet (13) and a second water outlet (17); the second water inlet (13) is connected to the regeneration box (43); the regeneration liquid in the regeneration box (43) enters the box body (1) through the second water inlet (13) to restore the soft water performance of the soft water medium in the box body (1); and the generated waste water is discharged through the second water outlet (17).

3. The detergent box for a washing machine according to claim 2, characterized in that: The regeneration box stores regeneration material. The regeneration box (43) comprises a regeneration water inlet (45) and a regeneration water outlet (44). The regeneration water outlet (44) is connected to the second water inlet (13) of the box body (1). External water enters the regeneration box (43) through the regeneration water inlet (45) and forms a regeneration liquid with the regeneration material. The regeneration liquid is discharged from the regeneration water outlet (44) and enters the box body (1) through the second water inlet (13).

4. A water inlet system for a washing machine, characterized in that: It comprises a detergent box for a washing machine as claimed in any one of claims 1 to 2, and a water inlet pipe connected to the first water inlet (11), so as to feed external water into the box body (1) through the water inlet pipe.

5. A water inlet system for a washing machine, characterized in that: It comprises a detergent box for a washing machine as claimed in claim 3, and a water inlet pipe connected to the first water inlet (11) and the regeneration water inlet (45); so that external water can be sent into the box body (1) or the regeneration box (43) through the water inlet pipe.

6. The water inlet system for a washing machine according to claim 5, characterized in that: The water inlet pipe is provided with a three-way valve (2), having a first inlet (23), a first interface (21), and a second interface (22); the first inlet (23) is selectively connected to the first interface (21) or the second interface (22); when the first inlet (23) is connected to the first interface (21), external water enters the box body (1) from the first inlet (23) through the first interface (21) to filter and soften the water; when the first inlet (23) is connected to the second interface (22), external water enters the regeneration box (43) from the first inlet (23) through the second interface (22) to generate regeneration liquid.

7. A washing machine, characterized in that: The invention comprises a washing drum and a water inlet system for a washing machine as claimed in any one of claims 4 to 6, wherein softened water enters the washing drum for washing.

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