KR20100011255A - Detergent dissolving apparatus and a washing machine having the same - Google Patents

Abstract

PURPOSE: A detergent dissolution device and washing machine including the same are provided to prevent the washing powder from being supplied with not being dissolved by mounting a water exit on the central upper side of the water. CONSTITUTION: A detergent dissolution device comprises a washing powder box(200) and a cover unit(300). The washing powder box comprises a cleaner receptor(210) and a water supply unit(220). The water supply unit rotates the water of the cleaner receptor. The water supply unit is formed on the circumference of the cleaner receptor. The cover unit opens and closes the cleaner receptor. The cover unit comprises a water discharge part(310). The washing water of the cleaner receptor is exhausted through the water discharge part to outside.

Description

Detergent dissolving apparatus and a washing machine having the same

The present invention relates to a detergent dissolving apparatus for a washing machine and a washing machine having the same, and more particularly, to a detergent dissolving apparatus for a washing machine capable of dissolving detergent in a powder detergent box and a washing machine having the same.

  In general, a washing machine is a device for washing through friction between each other by stirring together laundry, washing water, and detergent put into a rotating tub, and includes a detergent supply device for supplying detergent into a water tank.

The detergent supply device included in the conventional washing machine is fixed to the upper part of the main body case, the housing is empty inside, the drawer type drawer that can be pulled out of the front of the main body case from inside the housing, and the detergent is filled in the detergent container Including the wealth, the user fills the detergent in the detergent box and starts the washing machine detergent is flowed into the water tank with the wash water being supplied.

In the conventional detergent supply apparatus as described above, the powder detergent is supplied to the water tank without completely dissolving the detergent. In this case, the powder detergent may be precipitated at the bottom of the water tank to form dregs. By supplying the laundry, the detergent component may remain in the laundry having been washed.

In addition, a part of the powder detergent put into the detergent container of the detergent box may remain in the detergent box even after washing. In particular, when the water pressure of the water supply source is low, the amount of the powder detergent is washed off by the water supplied is low, resulting in residual detergent. This increases.

Thus, the residual detergent is introduced into the water tank together with the water supplied in the rinsing step after washing to reduce the rinsing performance, there is a problem that the remaining detergent is solidified in the interior of the detergent box or contaminated inside the detergent box.

The present invention has been made in view of the above, the present invention is to provide a detergent dissolving apparatus for a washing machine and a washing machine having the same that can improve the dissolving power of the detergent.

The present invention also provides a detergent dissolving apparatus for a washing machine capable of preventing the powder detergent from remaining in the detergent box when the water supply of the wash water is finished, and a washing machine having the same.

To this end, the detergent dissolving apparatus for a washing machine according to an aspect of the present invention includes a water supply part formed on the circumferential side of the detergent accommodating part so that the detergent accommodating part and the water of the detergent accommodating part rotate by the water flowing into the detergent accommodating part. It includes a powder detergent box provided, and a cover portion formed with a water outlet for opening and closing the detergent accommodating portion and for discharging the wash water of the detergent accommodating portion to the outside.

The sealing member further includes a sealing member for sealing between the detergent receiving part and the cover part when the cover part is closed.

The water supply unit includes a water supply passage and a water supply port disposed in a tangential direction of the detergent accommodating unit.

The accommodation space of the detergent container has a circular horizontal cross section, and the vertical section of the accommodation space of the detergent container is provided in any one of a hemispherical shape, a cylindrical shape, a cone shape, and a bowl shape.

The detergent accommodating part further includes an auxiliary outlet port and a first mesh part provided at the auxiliary outlet port to pass water and prevent passage of powder detergent.

The water outlet includes a water outlet formed in the center of the cover portion corresponding to the detergent receiving portion, and includes a water outlet passage formed to extend a predetermined length from the center of the cover portion.

The water outlet is formed at a position inserted into the detergent container, the water discharge passage is preferably formed extending from the water outlet to the cover portion.

The water extraction unit further includes a second mesh unit provided in the water outlet or the water passage to prevent water from passing through the powder detergent.

The cover portion further includes a through hole for sending the wash water discharged from the water outlet to the tank.

In addition, the detergent dissolving apparatus for a washing machine according to another aspect of the present invention includes a detergent accommodating part for accommodating detergent, a water supply part for supplying water to the detergent accommodating part in a direction of generating rotational water flow in the detergent accommodating part; It includes a water outlet for discharging upward water of the center side of the rotary stream.

The water supply part is formed on the inner surface of the detergent receiving portion, and includes a water supply port disposed in the tangential direction of the horizontal cross-section of the detergent receiving portion.

The accommodation space of the detergent accommodating part has a circular horizontal cross section, and the vertical cross section is provided in any one of a hemispherical shape, a cylindrical shape, a conical shape, and a bowl shape.

The detergent accommodating part further includes an auxiliary outlet port and a first mesh part provided at the auxiliary outlet port to pass water and prevent passage of powder detergent.

The water extraction unit further includes a water outlet provided on the central axis of the detergent accommodating unit, and further includes a water outlet passage formed by extending a predetermined length on the central axis of the detergent accommodating unit.

In addition, a washing machine having a detergent dissolving device according to the present invention includes a main body, a water tank provided with the main body, a water supply device for supplying water to the water tank, a detergent, and a detergent dissolved in water supplied from the water supply device. And a detergent dissolving device for supplying the water tank, wherein the detergent dissolving device includes a detergent receiving part, a water supply port formed at a predetermined position of the detergent receiving part so that water supplied to the detergent receiving part rotates, and a water flow for rotating motion. It includes a water outlet formed on the central axis of the.

The water inlet is provided in the tangential direction of the detergent accommodating part such that water supplied into the detergent accommodating part rotates in a predetermined direction.

The detergent dissolving apparatus further includes a cover part for opening and closing the detergent accommodating part, wherein the water discharging part is a water outlet formed on the central axis of the cover part facing the detergent accommodating part, and a water discharge passage formed to extend a predetermined length on the central axis of the cover part. It includes.

The connection part of the water supply device and the detergent dissolving device is provided with a sealing member for preventing leakage.

The main body further includes a coupling part for forming a receiving space in which the detergent dissolving device is slidingly mounted, and the cover part and the detergent receiving part are pressed by the upper and lower surfaces of the coupling part to maintain a closed state.

The detergent dissolving apparatus for a washing machine and the washing machine having the same according to the present invention having the above configuration allow the water supplied to the detergent accommodating part to rotate and improve the dissolving power of the powder detergent, and the powder detergent remains in the detergent accommodating part. There is an effect that can be prevented.

In addition, there is an effect that can be provided to the water tank without the powder detergent is dissolved by providing a water outlet in the center of the water flow in the rotary motion.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention will be applicable to various types of washing machines, such as vortex type, stirring type, drum type washing machine, etc., for convenience of description, will be described as an example of the vortex type washing machine.

1 is a schematic perspective view showing the configuration of a washing machine according to a preferred embodiment of the present invention.

As shown in FIG. 1, the washing machine according to the present invention includes a main body 10 forming an external appearance, a water tank 20 installed inside the main body 10 to receive wash water, and an interior of the water tank 20. Rotating tank (11) rotatably installed in the main body, water supply device (30) for supplying water into the main body (10), water containing the detergent and mixing the water supplied from the water supply device (30) with a detergent tank ( It comprises a detergent supply device 40 provided to supply to 20).

An opening 12 is formed in the upper portion of the main body 10 for entering and exiting laundry, and the opening 12 is provided with an openable top cover 13. And the upper side of the main body 10 is provided with a control panel 14 provided with a plurality of operation buttons and a display unit for displaying the operation state so that the user can control the operation of the washing machine.

Inside the main body 10 is provided with a water tank 20 for the fresh water of the wash water and the rotating tank 11 to rotate in the interior of the water tank 20, the lower side of the rotating tank 11 to form the washing water flow The pulsator 16 is installed. In addition, a driving means (not shown) for driving the rotating tank 11 and the pulsator 16 and a drainage device 15 for draining the wash water are provided below the water tank 20 inside the main body 10.

In the operation of the washing machine, washing water including detergent is filled in the water tank 20, and laundry is filled in the rotating tank 11, and then the pulsator 16 is repeatedly rotated in the reverse direction to the forward direction by the driving means to perform washing. .

After the washing operation, the water supply and drainage are repeatedly performed to rinse the laundry through the same operation as the washing operation described above, and after the rinsing operation, draining is performed through the drainage device 15. After the draining operation, the rotating tank 11 rotates at a high speed to dehydrate the laundry.

2 is a perspective view showing a water supply device and a detergent supply device according to a preferred embodiment of the present invention, Figure 3 is a perspective view showing an enlarged configuration of the detergent supply device according to a preferred embodiment of the present invention, Figure 4 5 is a view illustrating a modified embodiment of the detergent accommodating part of the detergent dissolving apparatus according to the preferred embodiment of the present invention, and FIG. 5 is a plan cross-sectional view of the detergent supply apparatus according to the preferred embodiment of the present invention.

The water supply device 30 is installed at the upper rear of the main body 10 as shown in FIG. 2, and is connected to the first water supply pipes 31 and 32 and the first water supply pipes 31 and 32 extending from the water supply source. Water supply valves 33 and 34 for intermittently opening and closing the first water supply pipes 31 and 32, and a plurality of second water supply pipes 35 to connect between the water supply valves 33 and 34 and the detergent supply device accommodating part 37. 36).

The first water supply pipes 31 and 32 include a hot water supply pipe 31 connected to an external hot water supply source and a cold water supply pipe 32 connected to an external cold water supply source.

The water supply valves 33 and 34 include a water supply valve 33 for hot water connected to the hot water supply pipe 31, a water supply valve 34 for cold water connected to the cold water supply pipe 32, and a water supply valve 34 for cold water. ) Is provided with two outlet ports 34a and 34b to selectively supply water to either of the two outlet ports 34a and 34b by the flow path switching operation of the valve.

The detergent supply device 40 includes a liquid detergent accommodating part 50 for accommodating liquid detergent and supplying the liquid detergent to the water tank 20, and a powder detergent accommodating the powder detergent contained in the water tank 20. It comprises a handle dissolution device 100 and a handle portion 60 connected to the detergent dissolving device 100 and the liquid detergent accommodating portion 50 for supplying).

The main body 10 includes a detergent supply device accommodating part 37 forming a mounting space of the detergent supply device 40 to accommodate the liquid detergent accommodating part 50 and the detergent dissolving device 100 of the detergent supply device 40. It is provided in a shape.

The detergent supply device accommodating part 37 is provided with a plurality of inflow ports 38 and 39 to supply water to the liquid detergent accommodating part 50 and the detergent dissolving device 100. A plurality of second water supply pipes 35 and 36 are connected between the outlet ports 33a, 34a and 34b and each of the inlet ports 38 and 39 of the detergent supply device accommodating portion 37.

At this time, the second water supply pipe 35 for supplying water to the detergent dissolving device 100 among the plurality of second water supply pipes 35 and 36 is formed in a Y shape, and one side thereof has an outlet port 33a of the hot water supply valve 33 and cold water. It is connected to the outlet port 34a of the water supply valve 34 and the other side is connected to the inlet port 38 provided at the rear side of the detergent supply device accommodating part 37.

The inlet port 38 for the detergent dissolution device 100 provided at the rear side of the detergent supply device accommodating part 37 is formed to protrude into the detergent supply device accommodating part 37 to be described later when combined with the detergent dissolving device 100. Is connected to the water supply passage 222, the circumferential side is provided with a first sealing member 39 for preventing water from leaking into the connection gap when the water supply passage 222 is connected, when the detergent supply device 40 is attached and detached A separation preventing jaw 38a is provided to prevent the first sealing member 39 from being separated from the inflow port 38. (See FIG. 6).

 The liquid detergent accommodating part 50 is formed in a substantially rectangular parallelepiped shape to accommodate the liquid detergent therein. The received liquid detergent is mixed with the water supplied to the inlet port 39 for the liquid detergent accommodating portion 50 provided above the detergent supply device accommodating portion 37 and supplied to the water tank 20.

The detergent dissolving apparatus 100 includes a rectangular powder detergent box 200 having a detergent accommodating part 210 having therein powder detergent therein, and opening / closing the detergent accommodating part 210 to open and close the discharge part 310. The unit 300 is included.

As shown in FIG. 3, the powder detergent box 200 has a rectangular parallelepiped casing 201 which is opened up and down, and a detergent accommodating part 210 provided in the casing 201 to accommodate the powder detergent. Water supply unit 220 for supplying water in the proper flow direction so that the water flowing into the detergent receiving unit 210 in the detergent receiving unit 210, the upper portion and the casing of the detergent receiving unit 210 It comprises a planar connecting portion 230 for connecting the inner surface of the 201. The connection portion 230 is provided with a plurality of first through holes 231 in the vertical direction.

In the present embodiment, the detergent receiving unit 210 has been described in the configuration example supported in the powder detergent box 200 by the connecting portion 230 of the flat shape, but the detergent receiving portion 210 is not even the connection portion 230 of the flat shape Any structure that can be supported in the powder detergent box 200 may be adopted, and the structure of the upper portion of the detergent accommodating part 210 is in direct contact with the inner surface of the casing 201 of the powder detergent box 200 without a separate connection portion. It is also possible. In this case, the washing flowed out through the detergent accommodating part and the cover part as a gap formed between the inner surface of the casing 201 of the rectangular powder detergent box and the detergent accommodating part 210 having a circular horizontal cross section without providing a separate through hole. Water can flow into the tank.

The detergent accommodating part 210 forming the detergent accommodating space is preferably provided in a shape having an approximately horizontal horizontal cross section so that the centrifugal rotational movement of the water can be smoothly performed. In addition to the circular horizontal cross section, the horizontal cross section has a polygonal shape. It may be formed as. In addition, the vertical cross-sectional shape may be provided in a bowl shape, as shown in Figure 4 conical (Fig. 4 (a)), cylindrical (Fig. 4 (b)), hemispherical (Fig. 4 ( c)) or the like.

The lower surface of the detergent accommodating part 210 is provided with an auxiliary outlet port 211 and a first mesh part 212 provided in the auxiliary outlet port 211 to allow water to pass but prevent passage of the powder detergent.

Since the particles of the powder detergent are larger than the lattice of the first mesh unit 212, when the powder detergent is injected into the detergent receiving unit 210, the powder detergent may be prevented from flowing out through the auxiliary outlet port 211. When no powder detergent remains in the detergent accommodating part 210, the water introduced into the detergent accommodating part 210 is directly guided to the water tank 20 through the auxiliary outlet port 211 to smoothly supply water to the water tank 20. Can be.

As shown in FIGS. 3 and 5, the water supply unit 220 supplies a water inlet 221 formed on one side of the detergent accommodating unit 210 and water introduced from the second water supply pipe 35. In order to discharge in the tangential direction of the detergent accommodating unit 210 through the () is made of a water supply passage 222 disposed in the tangential direction of the detergent accommodating unit (210).

The water supply port 221 is formed to be opened at one side of the circumference of the detergent accommodating part 210, and preferably has a shape tangentially opened in a horizontal cross section of the detergent accommodating part 210.

The water supply passage 222 is connected to the second water supply pipe 35 to guide water introduced from the second water supply pipe 35 to the detergent receiving unit 210, and the rear surface of the casing 201 and the detergent receiving unit 210. The lower side of the connecting portion 230 is formed between.

The water supply passage 222 adjusts the direction of the water flow flowing into the detergent receiving unit 210 with only the water pressure provided by the water supply source without washing water and other power, and the water supplied in one direction in the detergent receiving unit 210. Make it possible to rotate.

In order to smoothly rotate the water flow in the detergent accommodating part 210, the water supply passage 222 is formed as a straight flow path in the tangential direction of the detergent accommodating part 210 having a circular cross section. Therefore, the wash water flowing through the water supply passage 222 forms a vortex along the inner circumferential surface of the detergent accommodating portion 210 to generate a water flow that rotates.

The cover part 300 is hinged to the rear side of the powder detergent box 200 to rotate and open and close the detergent accommodating part 210. When the cover part 300 inserts and mounts the drawer type detergent dissolving device 100 into the detergent supply device accommodating part 37, the cover part 300 rotates downward to close the detergent accommodating part 210, and the detergent. When the supply device 40 is separated from the detergent supply device accommodating part 37, the cover part 300 rotates upward to open the detergent accommodating part 210.

To this end, hinge parts 340 are provided at both ends of the cover part 300, and hinge grooves 202 are provided at both sides of the powder cleaner box 200 corresponding to the hinge parts 340 of the cover part 300. ) Is inserted into the hinge groove 202 of the powder detergent box 200, the cover 300 is rotatably coupled to the powder detergent box (200). In the present embodiment, for example, the hinge portion is provided in the cover portion and the hinge groove is provided in the powder cleaner, but the hinge portion is provided in the powder detergent and the hinge groove is also possible in the cover.

The hinge member 340 is provided with an elastic member 350. The elastic member 350 is provided with a torsion spring, the elastic member 350 is inserted into the hinge portion 340, one end is supported by the powder detergent box 200, the other end is supported by the cover 300 to accommodate detergent The cover part 300 is pressed in the direction in which the part 210 is opened.

Therefore, when the detergent dissolving device 100 is inserted into the detergent supply device accommodating part 37, the detergent dissolving device 100 is guided by the detergent supply device accommodating part 37, and the elastic member 350 is elastically deformed to cover the cover part. The 300 rotates downward to close the detergent accommodating part 210.

When the detergent dissolving device 100 is separated from the detergent supply device accommodating part 37, the cover member 300 rotates upward while the elastic member 350 is elastically restored to open the detergent accommodating part 210.

In addition to the above-described method, the cover unit 300 covers the detergent dispensing device 100 regardless of the operation of inserting or separating the detergent dissolving device 100 into the detergent supply device accommodating part 37. A separate fastening means such as a hook may be provided in the part 300 and the powder detergent box 200 to allow the cover part to open and close the detergent accommodating part. At this time, the configuration of the elastic member provided on the hinge shaft of the cover portion may be omitted.

In addition, the cover part is provided in a separate configuration that can be separated from the detergent accommodating portion, it is also possible to combine the cover portion with the detergent accommodating portion, the manner of separating.

The cover part 300 includes a water outlet part 310 and a detergent accommodating part 210 for discharging water from the detergent accommodating part 210 to the outside when the cover part 300 closes the detergent accommodating part 210. The second sealing member 320 to prevent water from leaking into the combined gap between the three water receiving portions 210 and the cover portion 300, and through the water extraction portion 310 to the detergent receiving portion 210 outside It includes a second through hole 330 in communication with the first through hole 231 to guide the discharged water to the water tank 20 side.

The water extraction unit 310 is a water outlet 311 positioned on the central axis of the detergent receiving unit 210, that is, the central axis of the water flow which rotates in the detergent receiving unit 210, and the water outlet extending from the water outlet 311. A flow path 312 is included. In this embodiment, although the outlet 311 is formed to enter the inner center of the detergent accommodating unit 210 and the outlet passage 312 is shown in the form extending upward to the cover 300, the outlet 311 ) May be formed at various positions on the inner central axis of the detergent accommodating unit, and the outlet may be formed directly on the cover unit 300 without a separate discharge channel.

A second mesh portion 313 having a lattice of a predetermined size is formed in the water outlet 311 or the water passage 312 to prevent water from passing through the powder detergent.

The second sealing member 320 is provided on the upper edge of the detergent accommodating part 210 or the lower surface of the cover part 300 between the cover part 300 and the edge of the detergent accommodating part 210 when the cover part 300 is closed. It can be sealed, in this embodiment to provide a second sealing member 320 on the lower surface of the cover portion 300 as an example.

The second sealing member 320 is formed of an annular rubber material having a predetermined thickness and is inserted around the water discharge passage 312 and fixed to the bottom surface of the cover part 300.

Next, a water supply operation of the washing machine according to the preferred embodiment of the present invention will be described.

6 is a view showing a powder detergent input operation of the washing machine according to a preferred embodiment of the present invention, Figure 7, 8 is a view showing the action of the detergent dissolving apparatus of the washing machine according to a preferred embodiment of the present invention.

First, the user slides out the detergent supply device 40 from the detergent supply device accommodating part 37 as shown in FIG. 6, and applies the powder detergent to the detergent accommodating part 210 of the detergent dissolving device 100 for washing. Input.

After the powder detergent is put into the detergent accommodating part 210, and the detergent supply device 40 is inserted into the detergent supplying device accommodating part 37, the cover part 300 rotates downward so that the second sealing of the cover part 300 is performed. The member 320 seals the edge of the detergent accommodating part 210, and the inlet port 38 of the water supply device 30 is inserted into the water supply passage 222 of the detergent dissolving device 100.

Then, when the water supply valves 33 and 34 are opened, water is supplied in the tangential direction of the detergent accommodating portion 210 of the circular cross section through the inflow port 38 and the water supply flow passage 222 as shown in FIG. The water is rotated to form a vortex by the arrangement of the detergent accommodating portion 210 and the water supply passage 222.

The powder detergent smoothly dissolves due to the rotational water flow (swirl flow), and the undissolved powder detergent moves downward after hitting the inner circumferential surface of the detergent container by centrifugal force.

At the same time, the washing water in which the powder detergent is dissolved is discharged through the water outlet 311 formed above the central part of the rotary motion. The washing water discharged through the water outlet 311 may include some powder detergent, but the washing water discharged by being caught by the second mesh unit 313 is discharged only without the detergent in the form of powder.

The wash water discharged through the water extraction part 310 flows downward through the first through hole 231 communicating with the second through hole 330 and the second through hole 330 formed in the cover part 300. After falling to the lower surface of the detergent supply device accommodating portion 37 is supplied to the water tank (20).

When the operation continues as described above, when all of the powder detergent of the detergent accommodating part 210 is dissolved, water is discharged through the auxiliary outlet port 211 blocked by the powder detergent as shown in FIG. 8.

Therefore, by discharging the powder detergent by generating a vortex in the detergent accommodating portion 210 only by the water pressure of the water supply source without a separate device, discharge the dissolved wash water through the outlet 311 formed in the upper side of the center of the rotating water flow By doing so, there is an effect of supplying only the wash water in which the powder detergent is dissolved into the water tank 20.

In addition, it is possible to prevent the powder detergent residues remaining in the detergent accommodating portion 210 by completely dissolving the powder detergent injected into the detergent accommodating portion 210 and supplied to the water tank 20.

After that, when water is supplied for rinsing, since no detergent remains in the detergent accommodating part 210, water containing no detergent may be supplied to the water tank 20 to improve the rinsing effect. The water to be supplied is supplied to the water tank 20 through the auxiliary outlet port 211.

1 is a schematic perspective view showing the configuration of a washing machine according to a preferred embodiment of the present invention.

2 is a perspective view showing a water supply device and a detergent supply device according to a preferred embodiment of the present invention.

Figure 3 is an enlarged perspective view showing the configuration of the detergent supply apparatus according to a preferred embodiment of the present invention.

Figure 4 is a view showing a modified embodiment of the detergent receiving portion of the detergent dissolving apparatus according to a preferred embodiment of the present invention.

5 is a plan sectional view of a detergent supply apparatus according to a preferred embodiment of the present invention.

6 is a view showing a powder detergent input operation of the washing machine according to an embodiment of the present invention.

7, 8 is a view showing the action of the detergent dissolving apparatus of the washing machine according to a preferred embodiment of the present invention.

* Description of symbols on the main parts of the drawings *

10: main body 20: water tank

30: water supply device 39: first sealing member

40: detergent supply device 100: detergent dissolving device

200: powder detergent box 210: detergent container

211: subsidiary water extraction unit 212: first mesh unit

220: water supply unit 221: water supply port

222: water supply passage 231: first through

300: cover portion 310: water extraction portion

311 exit port 312 exit exit

313: second mesh unit 320: second sealing member

330: second through hole 350: elastic member

Claims (22)

A powder detergent box having a water supply part formed on the circumferential side of the detergent accommodating part to allow the detergent accommodating part and the water flowing into the detergent accommodating part to rotate in the detergent accommodating part; The detergent dissolving apparatus for a washing machine, comprising a cover part having a water outlet part for opening and closing the detergent accommodating part and discharging the washing water of the detergent accommodating part to the outside. The method of claim 1, And a sealing member for sealing between the detergent accommodating part and the cover part when the cover part is closed. The method of claim 1, The water supply unit is a detergent dissolving apparatus for a washing machine, characterized in that it comprises a water supply passage and a water supply port disposed in the tangential direction of the detergent receiving portion. The method of claim 1, The receiving space of the detergent receiving portion is a detergent dissolving apparatus for a washing machine, characterized in that it has a circular horizontal cross-section. The method of claim 1, The vertical section of the receiving space of the detergent receiving unit is a detergent dissolving apparatus for a washing machine, characterized in that provided in any one of the shape of hemispherical, cylindrical, conical and bowl (bowl). The method of claim 1, The detergent accommodating unit further comprises a auxiliary outlet and a first mesh unit provided in the auxiliary outlet to pass water and prevent the passage of powder detergent. The method of claim 1, The water dispensing unit is a detergent dissolving apparatus for a washing machine comprising a water outlet formed in the center of the cover portion corresponding to the detergent receiving portion. The method of claim 7, wherein The water extraction unit further comprises a water discharge passage formed extending from the center of the cover portion a predetermined length detergent dissolving apparatus for a. The method of claim 8, The water outlet is formed at a position inserted into the detergent receiving portion, the water discharge passage is a detergent dissolving apparatus for the washing machine characterized in that it is formed extending from the water outlet to the cover. The method of claim 8, The water extraction unit further comprises a second mesh unit provided in the water outlet or the water passage to prevent water from passing through the powder detergent. The method of claim 1, The cover unit detergent dissolving apparatus for a washing machine further comprising a through hole for sending the washing water discharged from the water outlet to the tank. Detergent accommodating unit for accommodating detergent, A water supply unit for supplying water to the detergent accommodating unit in a direction of generating a rotational flow in the detergent accommodating unit; Detergent dissolving apparatus for a washing machine comprising a water outlet for discharging upward water of the center side of the rotary stream. The method of claim 12, The water supply unit is formed on the inner surface of the detergent accommodating unit, detergent dissolving apparatus for a washing machine, characterized in that it comprises a water supply port disposed in the tangential direction of the horizontal section of the detergent accommodating unit. The method of claim 12, The receiving space of the detergent accommodating part has a circular horizontal cross section, the vertical cross section is a detergent dissolving apparatus for a washing machine, characterized in that provided in any one of the shape of hemispherical, cylindrical, conical, bowl. The method of claim 12, The detergent accommodating unit further comprises a auxiliary outlet and a first mesh unit provided in the auxiliary outlet to pass water and prevent the passage of powder detergent. The method of claim 12, The water dispensing unit further comprises a water outlet provided on the central axis of the detergent accommodating unit. The method of claim 16, The water dispensing unit further comprises a water discharge passage formed by extending a predetermined length on the central axis of the detergent accommodating unit. A main body, a water tank provided with the main body, a water supply device for supplying water to the water tank, and a detergent dissolving device for accommodating detergent and dissolving the detergent in water supplied from the water supply device, and supplying the detergent to the water tank; The detergent dissolving apparatus includes a detergent accommodating part, a water supply port formed at a predetermined position of the detergent accommodating part so that water supplied to the detergent accommodating part rotates, and a water outlet formed on the central axis of the water flow rotating. . The method of claim 18, The water supply port is a washing machine, characterized in that provided in the tangential direction of the detergent accommodating portion so that the water supplied into the detergent accommodating portion rotates in a predetermined direction. The method of claim 18, The detergent dissolving apparatus further includes a cover part for opening and closing the detergent accommodating part, The water extraction unit comprises a water outlet formed on the central axis of the cover portion facing the detergent receiving portion, and a water extraction passage formed to extend a predetermined length on the central axis of the cover portion. The method of claim 18, The connecting part of the water supply device and the detergent dissolving device is provided with a sealing member for preventing leakage. The method of claim 20, The main body further includes a coupling portion for forming a receiving space in which the detergent dissolving device is sliding mounted, Washing machine, characterized in that the cover portion and the detergent receiving portion is pressed by the upper and lower surfaces of the coupling portion to maintain a closed state.

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