WO2022070753A1

WO2022070753A1 - Washing machine

Info

Publication number: WO2022070753A1
Application number: PCT/JP2021/032344
Authority: WO
Inventors: 尚希川瀬; 裕曵野
Original assignee: パナソニックＩｐマネジメント株式会社
Priority date: 2020-10-01
Filing date: 2021-09-02
Publication date: 2022-04-07
Also published as: CN116324073A; TW202214933A; JP2022059340A; BR112023004069A2

Abstract

This washing machine as in embodiment 1 is provided with a housing, a washing tub, a water supply unit (300), a detergent tank (450) and a softener tank (460), and an automatic liquid injection device (301). The water supply unit (300) is disposed in the interior of the housing, and supplies water to the washing tub. The automatic liquid injection device (301) injects, into the washing tub, liquids stored in the detergent tank (450) and the softener tank (460). The water supply unit (300) is formed in a box shape so as to accommodate the detergent tank (450) and the softener tank (460) in the interior. Formed in the water supply unit (300) are a first through third water conveyance path for passing through water that has been introduced from a water supply valve (310). The automatic liquid injection device (301) is attached to a back surface of the water supply unit (300), and is connected to the third water conveyance path.

Description

Washing machine

This disclosure relates to a washing machine.

Patent Document 1 discloses a washing machine that connects a route from a water supply valve to an automatic liquid charge charging device with a plurality of relay parts.

The washing machine in Patent Document 1 includes a water supply valve for supplying water to the washing tub, a liquid agent tank for storing the liquid agent inside, and an automatic liquid agent charging device for charging the liquid agent stored in the liquid agent tank into the washing tub. .. The water supply valve and the liquid agent automatic charging device are connected via a hose and a resin component.

Japanese Unexamined Patent Publication No. 2019-181023

The present disclosure provides a washing machine capable of supplying a stable flow rate of water to the liquid agent automatic charging device and realizing a large capacity of the liquid agent tank in a limited space.

The washing machine in the present disclosure includes a housing, a washing tub, a water supply unit, a liquid agent tank, and an automatic liquid agent charging device. The washing tub is provided inside the housing and houses the laundry. The water supply unit is arranged inside the housing and supplies water to the washing tub. The liquid agent tank stores the liquid agent inside. The liquid agent automatic charging device charges the liquid agent stored in the liquid agent tank into the washing tub. The water supply unit is formed in a box shape to accommodate the liquid agent tank inside, and the water supply unit is formed with a water guide path for circulating the water introduced from the water supply valve. It is attached to the outer peripheral surface of the unit and connected to the water supply path.

Further, the washing machine in the present disclosure is a washing machine capable of putting laundry into the inside from the upper surface side of the housing in the installed state, and includes a lower housing, a washing tub, an upper housing, and a water supply unit. , A liquid agent tank and an automatic liquid agent charging device. The lower housing constitutes the housing. The washing tub is provided inside the lower housing and is formed in a bottomed cylindrical shape that opens upward. The upper housing constitutes a housing, is arranged on the upper part of the lower housing, and forms a laundry inlet that communicates with the washing tub. The water supply unit is arranged at the rear of the upper housing and supplies water to the washing tub. The liquid agent tank stores the liquid agent inside. The liquid agent automatic charging device charges the liquid agent stored in the liquid agent tank into the washing tub. The water supply unit has a tank accommodating portion that opens toward the inlet and stores the liquid agent tank, and a water conduction path that is configured as an internal structure of the water supply unit and circulates water introduced from the water supply valve. Further, the liquid agent automatic charging device is attached to the back surface of the water supply unit and is directly connected to the water conveyance path.

The washing machine in the present disclosure can supply a stable flow rate of water to the liquid agent automatic charging device, and can realize a large capacity of the liquid agent tank in a limited space.

FIG. 1 is an external perspective view showing the configuration of the washing machine according to the first embodiment with the lid closed. FIG. 2 is an external perspective view showing the configuration of the washing machine according to the first embodiment with the lid open. FIG. 3 is an external perspective view showing the configuration of the water supply unit of the washing machine and its surroundings according to the first embodiment, in a state where the detergent case, the detergent tank and the softener tank are pulled out. FIG. 4 is a rear view showing the configuration of the water supply unit of the washing machine and its surroundings according to the first embodiment. FIG. 5 is an exploded perspective view showing the configuration of the water supply unit of the washing machine and its surroundings according to the first embodiment. FIG. 6 is a top view showing the configuration of the water supply unit of the washing machine and its periphery according to the first embodiment, excluding the flow path lid portion. FIG. 7 is a top view for illustrating a cross section of the water supply unit of the washing machine and its surroundings according to the first embodiment, in which the detergent case, the detergent tank and the softener tank are removed and the flow path lid is removed. be. FIG. 8 is a cross-sectional view taken along the line FF of the water supply unit shown in FIG. 7 and its surroundings. FIG. 9 is a top view showing the configuration of the water supply unit of the washing machine and its surroundings according to the first embodiment, in which the detergent case, the detergent tank and the softener tank are pulled out and the flow path lid is removed. FIG. 10 is a cross-sectional view taken along the line BB of the water supply unit shown in FIG. 7 and its surroundings. FIG. 11 is a cross-sectional view taken along the line EE of the water supply unit shown in FIG. 7 and its surroundings. FIG. 12 is a cross-sectional view taken along the line CC of the water supply unit shown in FIG. 7 and its surroundings. FIG. 13 is a cross-sectional view taken along the line AA of the water supply unit shown in FIG. 7 and its surroundings. FIG. 14 is a DD cross-sectional view of the water supply unit shown in FIG. 7 and its surroundings. FIG. 15 is an external front view showing the configuration of the water supply unit of the washing machine according to the first embodiment, in a state where the detergent case, the detergent tank, and the softener tank are removed.

Hereinafter, the washing machine according to the embodiment as an example of the washing machine in the present disclosure will be described in detail with reference to the drawings. It should be noted that the accompanying drawings and the following description are provided for those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the claims.

(Embodiment 1)
Hereinafter, the washing machine 100 according to the first embodiment will be described with reference to FIGS. 1 to 15.

[1-1. Constitution]
[1-1-1. Washing machine configuration]
FIG. 1 is an external perspective view showing the configuration of the washing machine 100 according to the first embodiment, in a state where the lid 700 is closed, and FIG. 2 is a state in which the lid 700 is open, showing the configuration of the washing machine 100. It is an external perspective view of. In the present embodiment, as shown in FIGS. 1 and 2, the vertical direction in the state where the washing machine 100 is installed (corresponding to the installation state in the present disclosure) may be described as the vertical direction. Further, in the present embodiment, the side where the operation unit 800 of the washing machine 100 in FIGS. 1 and 2 exists may be described as the back, and the opposite side may be described as the front. That is, in general, the user stands on the front side of the washing machine 100, puts laundry such as clothes into the washing machine 100, and performs various operations for operating the washing machine 100. The laundry in the present disclosure is not limited to clothing, but refers to cloth or leather products such as bedding, curtains, rugs, shoes, and other items that can be washed in various known washing machines.

As shown in FIGS. 1 and 2, the washing machine 100 includes a housing 600, a lid 700, and an operation unit 800, and in an installed state, the washing machine is charged into the inside from the upper surface side of the housing 600. It is a possible so-called vertical washing machine. The housing 600 includes a lower housing 610 and an upper housing 620. The washing tub 500 is housed in the lower housing 610. The washing tub 500 is a cylindrical body having an open upper portion (that is, a bottomed cylindrical shape), and performs a washing operation for accommodating and washing laundry. The washing operation may be an operation performed by the washing tubs of various known washing machines. The principles of this embodiment are not limited to the particular cleaning operation performed by the washing tub 500.

The upper housing 620 is arranged above the lower housing 610, and the upper housing 620 is formed with a laundry input port 621 communicating with the washing tub 500. The lid body 700 is attached to the rear portion of the upper housing 620 and covers the input port 621 so as to be openable and closable. When the user rotates the lid 700 upward, the washing tub 500 is exposed through the input port 621. The user can put the laundry into the washing tub 500 from the throwing port 621.

The operation unit 800 is arranged at the rear part of the upper housing 620 and behind the input port 621. The user can operate the operation unit 800 and set various operations of the washing tub 500. The washing machine 100 is provided with a control device (not shown) in the housing 600, and in addition to controlling the water supply valve 310 and the three-way valve 380 according to the operation of the operation unit 800 by the user, the washing machine 100 as a whole Control the operation. The control device has a computer system having a processor and a memory. Then, the processor executes a program stored in the memory, so that the computer system functions as a control device. The program executed by the processor is assumed to be recorded in advance in the memory of the computer system here, but may be recorded in a non-temporary recording medium such as a memory card and provided, or a telecommunications line such as the Internet. May be provided through.

A water supply port 200 is provided at the rear of the operation unit 800, and a water supply hose 210 is connected to the water supply port 200 so as to introduce tap water from a tap.

The water supply unit 300 is arranged at the rear of the upper housing 620 (that is, inside the housing 600) and supplies water to the washing tub 500. As shown in FIG. 2, the detergent tank 450, the softener tank 460, and the detergent case 400 are arranged so that the front surfaces of the detergent tank 450, the softener tank 460, and the detergent case 400 are flush with each other when they are housed in the water supply unit 300. The detergent case 400 is an example of the agent charging device in the present disclosure, which is configured to be capable of charging a single dose of the agent.

FIG. 3 is an external perspective view showing the configuration of the water supply unit 300 and its surroundings, with the detergent case 400, the detergent tank 450, and the softener tank 460 pulled out. As shown in FIG. 3, the detergent tank 450 and the softener tank 460 are configured to be able to store an amount of liquid agent capable of performing a plurality of operations. That is, the detergent tank 450 and the softener tank 460 are examples of the liquid agent tanks in the present disclosure for storing the liquid agent inside, the detergent tank 450 stores the detergent inside, and the softener tank 460 stores the softener inside. do. The detergent tank 450 is formed with a detergent tank charging section 451 for injecting the detergent to be stored, and the softener tank 460 is formed with a softener tank charging section 461 for injecting the softener to be stored. .. The upper surface of the detergent tank charging section 451 and the softener tank charging section 461 is open so that the liquid agent can be injected. Further, the detergent tank 450 is provided with a detergent tank remaining amount scale 450a, and the softener tank 460 is provided with a softener tank remaining amount scale 460a. The detergent tank remaining amount scale 450a and the softener tank remaining amount scale 460a are each made of a transparent material, and the user can visually check the remaining amount of the liquid agent.

On the other hand, the detergent case 400 is used for the user to put in an amount of agent required for one operation. The detergent case 400 is provided with a powder detergent manual charging unit 410 for charging powder detergent, a liquid detergent manual charging unit 420 for charging liquid detergent, and a softener manual charging unit 430 for charging softener. ing.

The lid 700 is partially transparent. As a result, the user can visually recognize the detergent tank remaining amount scale 450a and the softener tank remaining amount scale 460a even when the lid 700 is closed, and the liquid agent stored in the detergent tank 450 and the softener tank 460. You can check the remaining amount.

[1-1-2. Water supply unit]
FIG. 4 is a rear view showing the configuration of the water supply unit 300 and its surroundings, and FIG. 5 is an exploded perspective view showing the configurations of the water supply unit 300 and its surroundings. As shown in FIG. 5, the water supply unit 300 mainly includes a box-shaped water supply unit housing portion 320, a flow path lid portion 340 covering the upper surface of the water supply unit housing portion 320, and a water supply unit housing. It is composed of a flow path lower portion 370 attached to the lower bottom portion of the portion 320.

As shown in FIGS. 3 and 4, when viewed from the back side of the water supply unit housing portion 320, a water supply valve 310 that allows water introduced from the water supply port 200 to pass open and close is attached to the left portion. .. With the water supply valve 310 open, the water introduced from the water supply valve 310 is introduced into the water supply unit housing portion 320.

A bus pump 314 that sucks water from the outside of the washing machine 100 via a hose (not shown) is arranged in the center of the back surface of the water supply unit housing portion 320. The bus pump 314 is fixed to the flow path lid portion 340 with a screw, and is directly connected to the first water conveyance path 321 described later via the bus pump water injection port 333. The bus pump 314 can start the suction and discharge operations by supplying water from the first water supply path 321.

As shown in FIG. 5, the water supply unit housing portion 320 is formed in a box shape that opens forward. The water supply unit housing portion 320 has a tank accommodating portion 360 and a detergent case accommodating portion 350 as an internal space. That is, the water supply unit 300 is formed in a box shape so as to accommodate the detergent tank 450 and the softener tank 460 inside. The tank accommodating portion 360 opens toward the charging port 621, and the detergent tank 450 and the softener tank 460 are retractably retracted independently, and the detergent case accommodating portion 350 accommodates the detergent case 400.

The detergent case flow path portion 330 is arranged as the upper surface of the detergent case accommodating portion 350, and the detergent case flow path portion 330 is formed with a first water guide path 321 and a second water guide path 322, which will be described later. That is, the water supply unit 300 includes the detergent case flow path portion 330. The detergent case flow path portion 330 is an example of the water injection unit for the agent charging device in the present disclosure, which is housed below and injects water into the agent charging device in the present disclosure.

As shown in FIGS. 3 and 4, a liquid agent automatic charging device 301 is attached to the back surface (right portion when viewed from the rear side) of the water supply unit housing portion 320 (that is, the water supply unit 300). The liquid agent automatic charging device 301 charges the liquids stored in the detergent tank 450 and the softener tank 460 into the washing tub 500. The liquid agent automatic charging device 301 will be described later.

[1-1-3. Headrace route]
As shown in FIGS. 4 and 5, the water supply valve 310 includes three on-off valves of a first water bottle 311 and a second water bottle 312 and a third water bottle 313 so that each on-off valve can be opened and closed independently. It is configured in.

FIG. 6 is a top view showing the configuration of the water supply unit 300 and its surroundings excluding the flow path lid portion 340. FIG. 7 is a top view for illustrating a cross section of the water supply unit 300 and its surroundings excluding the flow path lid portion 340 with the detergent case 400, the detergent tank 450, and the softener tank 460 removed. FIG. 8 is a cross-sectional view taken along the line FF of the water supply unit 300 shown in FIG. 7 and its surroundings. FIG. 9 is a top view showing the configuration of the water supply unit 300 and its surroundings, excluding the flow path lid portion 340, with the detergent case 400, the detergent tank 450, and the softener tank 460 pulled out. FIG. 10 is a cross-sectional view taken along the line BB of the water supply unit 300 shown in FIG. 7 and its surroundings.

As shown in FIGS. 6 to 10, the water supply unit housing portion 320 (that is, the water supply unit 300) is the first water supply that is an example of the water supply path according to the present disclosure in which the water introduced from the water supply valve 310 is circulated. A path 321 and a second water supply path 322 and a third water supply path 323 are formed. The water supply valve 310 is directly connected to the first water supply path 321 and the second water supply path 322 and the third water supply path 323. The first headrace path 321 and the second headrace path 322 and the third headrace path 323 are formed so as to be branched so as to communicate independently with the first water bottle 311 and the second water bottle 312 and the third water bottle 313. ing. That is, the first water bottle 311 communicates with the first water bottle 321, the second water bottle 312 communicates with the second water bottle 322, and the third water bottle 313 communicates with the third water bottle 323.

[1-1-4. Detergent case, first headrace, second headrace]
As shown in FIGS. 3 and 6 to 9, the first headrace path 321 is the water supplied from the first headrace 311 and the second headrace 322 is the water supplied from the second headrace 312. It is configured to guide the detergent case flow path portion 330 and inject water into the detergent case 400 located below.

As described above, inside the detergent case 400, a powder detergent manual charging unit 410, a liquid detergent manual charging unit 420, and a softener manual charging unit 430 are provided so that the user can charge the respective agents. ing.

The first water conveyance path 321 is formed to communicate vertically above the powder detergent manual charging section 410 with a powder detergent water injection port 331 formed to communicate vertically above the liquid detergent manual loading section 420. A water injection port 332 for liquid detergent is provided. The second water conveyance path 322 is provided with a water injection port for a softener 334 formed so as to communicate the upper and lower parts above the softener manual charging unit 430.

The powder detergent manual charging unit 410, the liquid detergent manual charging unit 420, and the softener manual charging unit 430 are each provided with a discharge port (not shown) for discharging the water collected inside and the liquid which is the agent to the lower part. There is. The liquid discharged from the discharge port falls to the lower part of the flow path 370. The lower part of the flow path 370 is configured as an example of the discharge part in the present disclosure, is formed as the bottom part of the water supply unit 300, and discharges water and a liquid which is an agent to the washing tub 500.

As described above, the first water guide path 321 has a powder detergent water injection port 331, a liquid detergent water injection port 332, and a bus pump water injection port 333 of the detergent case flow path portion 330 from the outlet of the first water bottle 311. Via. After that, the first water conveyance path 321 is a flow path leading to the lower part of the flow path 370 via the discharge port of the powder detergent manual charging section 410 and the discharge port of the liquid detergent manual loading section 420. Further, the second water guide path 322 passes from the outlet of the second water bottle 312 to the softener water injection port 334 of the detergent case flow path portion 330 and the discharge port of the softener manual injection section 430, and is connected to the lower part of the flow path. It is a flow path leading to 370. Further, the third water guide path 323 is a flow path from the outlet of the third water bottle 313 to the cleaning path water guide port 324, which will be described later. That is, the third headrace path 323 includes the wash path headrace port 324.

[1-1-5. Detergent tank, automatic charging device, third water conveyance path]
11 is a cross-sectional view taken along the line EE of the water supply unit 300 shown in FIG. 7 and its surroundings, and FIG. 12 is a cross-sectional view taken along the line CC of the water supply unit 300 shown in FIG. 7 and its surroundings. 13 is a cross-sectional view taken along the line AA of the water supply unit 300 shown in FIG. 7 and its surroundings, and FIG. 14 is a cross-sectional view taken along the line DD of the water supply unit 300 shown in FIG. 7 and its surroundings. Further, FIG. 15 is an external front view showing the configuration of the water supply unit 300 of the washing machine 100, in a state where the detergent case 400, the detergent tank 450, and the softener tank 460 are removed.

As shown in FIGS. 6 and 10 to 15, the third water supply path 323 is formed along the back surface of the water supply unit housing portion 320 in a substantially horizontal direction, and is formed on the back surface side of the cleaning path water supply port 324. (See FIG. 11). That is, the cleaning path headrace 324 is formed on the back surface of the water supply unit 300. The cleaning path water guide port 324 is connected to a path 325 in the automatic charging device described later (see FIG. 13), and communicates the third water guiding path 323 with the liquid agent automatic charging device 301. That is, the liquid agent automatic charging device 301 is directly connected to the third water conveyance path 323. The liquid agent automatic charging device 301 is arranged on the back side of the tank accommodating portion 360, and is connected to the detergent tank 450 and the softener tank 460 housed in the tank accommodating portion 360, as will be described later. That is, the liquid agent automatic charging device 301 is attached to the back surface of the water supply unit 300 so that the cleaning path water guide port 324 and the automatic charging device internal path 325 are connected to each other.

As shown in FIG. 9, a detergent tank insertion port 302 is provided on the back side of the detergent tank 450, and a detergent tank check valve that is opened by being pushed into the inside of the detergent tank insertion port 302 is provided. A valve (not shown) is provided. Similarly, on the back side of the softener tank 460, a softener tank insertion port 303 and a softener tank check valve (not shown) that is opened by being pushed in are provided. In the detergent tank 450, with the detergent tank 450 attached to the tank accommodating portion 360, the detergent automatic charging insertion port 452 described later is inserted into the detergent tank insertion port 302, the detergent tank check valve is opened, and liquid detergent can be supplied. It is configured to be. Similarly, in the state where the softener tank 460 is attached to the tank accommodating portion 360, the softener automatic charging insertion port 462, which will be described later, is inserted into the softener tank insertion port 303, and the softener tank check valve is opened. It is configured so that the softener can be supplied.

On the inner back surface of the tank accommodating portion 360, a connection portion 360a for automatic detergent charging and a connection unit 360b for automatic charging of softener are provided. The detergent automatic charging connection unit 360a and the softener automatic charging connection unit 360b are configured to surround the detergent automatic charging port 452 and the softener automatic charging port 462 of the liquid agent automatic charging device 301.

The liquid agent automatic charging device 301 includes a detergent automatic charging port 452, a softener automatic charging port 462, a three-way valve 380, a pump unit 390, and a path 325 in the automatic charging device (FIG. 4, FIG. 9 and FIG. 13). The three-way valve 380 switches the path of liquid detergent, fabric softener and water. The pump unit 390 sucks and discharges the liquid agent stored in the detergent tank 450 and the softener tank 460. The path 325 in the automatic charging device connects the three-way valve 380 and the pump unit 390, and introduces the liquid agent into the pump unit 390.

As shown in FIG. 9, the detergent automatic charging insertion port 452 and the softener automatic charging insertion port 462 are formed so as to project forward. With the detergent tank 450 and the softener tank 460 housed in the tank accommodating portion 360, the detergent automatic charging port 452 is connected to the detergent tank 450, and the softener automatic charging port 462 is connected to the softener tank 460, respectively. Will be done.

The three-way valve 380 includes a detergent three-way valve 381 and a softener three-way valve 382, which are configured to be independently openable and closable. The detergent three-way valve 381 is arranged so as to communicate with the detergent automatic charging port 452, and the softener three-way valve 382 is arranged to communicate with the softener automatic charging port 462. As shown in FIG. 13, the downstream side of the three-way valve 380 is connected to the pump unit 390 via the path 325 in the automatic charging device. In this way, the three-way valve 380 is connected to the path 325 in the automatic charging device, the detergent automatic charging insertion port 452, the softener automatic charging insertion port 462, and the pump unit 390. The washing machine 100 can control the flow of the detergent, the softener and the water by opening and closing the detergent three-way valve 381 and the softener three-way valve 382.

The pump unit 390 includes a flow path 391 in the pump, a cylinder 397, and a piston 395. The in-pump flow path 391 is provided between the pump unit inlet 392a and the pump unit outlet 392b. The cylinder 397 is provided in the middle of the flow path 391 in the pump. The piston 395 moves up and down by the rotational driving force of a motor (not shown).

The pump unit inlet 392a is provided with an inlet check valve 393, and the pump unit outlet 392b is provided with an outlet check valve 394.

The inlet check valve 393 is configured to open by the negative pressure operation of the piston 395, and the outlet check valve 394 is configured to open by the positive pressure operation of the piston 395.

The path 325 in the automatic charging device is connected to the lower part 370 of the flow path via the outlet 326 downstream of the pump unit 390.

[1-2. motion]
The operation of the washing machine 100 configured as described above will be described below.

[1-2-1. Water flow during washing operation when using the automatic loading function]
In FIGS. 6, 8 and 10 to 15, the flow of water supplied from the first water bottle 311 is supplied from X, the flow of water supplied from the second water bottle 312 is supplied from Y, and the flow of water supplied from the third water bottle 313 is supplied. The flow of water to be made is defined as Z.

At the start of the washing operation, the liquid agent automatic charging device 301 is driven, and the liquid detergent is automatically charged. Specifically, first, with the third water bottle 313 closed, the detergent three-way valve 381, which is a part of the three-way valve 380, is opened, and the path between the detergent tank 450 and the pump unit 390 communicates with each other. The pump unit 390 moves the piston 395 up and down by rotating the motor, sucks an appropriate amount of liquid detergent from the pump unit inlet 392a, and discharges it from the pump unit outlet 392b.

Next, route cleaning is performed to wash away the detergent in the three-way valve 380 and the pump unit 390. The detergent three-way valve 381 is closed, the path between the detergent tank 450 and the pump unit 390 is cut off, and the path from the third water bottle 313 to the liquid agent automatic charging device 301 is communicated. Subsequently, the third water bottle 313 of the water supply valve 310 is opened. Like the water flow Z, the water introduced from the third headrace 313 passes through the third headrace path 323 and reaches the path 325 in the automatic charging device through the wash path headrace 324, and flows inside the pump. Road 391 is filled with water (see FIGS. 11 and 13). The pump unit 390 moves the piston 395 up and down by rotating the motor, and ejects the filled water from the pump unit outlet 392b to wash away the liquid detergent and foreign matter existing in the flow path 391 in the pump. The water flowing out from the path 325 in the automatic charging device flows down to the lower part 370 of the flow path through the outlet 326, and is charged into the washing tub 500 from the lower part 370 of the flow path (see FIG. 14).

As described above, in the automatic charging of the liquid detergent, the washing machine 100 performs the route cleaning after the liquid detergent is charged. By this route cleaning, the residual detergent and the softener added in the final rinsing step are suppressed from being mixed, and the precipitation of foreign substances generated when the detergent and the softener are mixed is suppressed.

After the automatic charging of the liquid detergent is completed, or at the same time as the automatic charging of the liquid detergent, the first water bottle 311 is opened and water is supplied to the first water supply path 321 (see FIG. 8). Like the water flow X, the water introduced into the first headrace path 321 passes through the powder detergent water injection port 331, the liquid detergent water injection port 332, and the bus pump water injection port 333. Then, the water that has passed through the powder detergent water injection port 331, the liquid detergent water injection port 332, and the bath pump water injection port 333 is injected into the powder detergent manual charging unit 410, the liquid detergent manual charging unit 420, and the bath pump 314 ( 6), 9 and 15). The water injected into the powder detergent manual charging unit 410 and the liquid detergent manual charging unit 420 flows down to the lower part of the flow path 370 through the discharge port, dissolves the liquid detergent accumulated in the lower part of the flow path 370, and dissolves the liquid detergent in the washing tub 500. Is thrown into.

In the final rinsing process, the softener three-way valve 382, which is a part of the three-way valve 380, is opened, and the path between the softener tank 460 and the pump unit 390 communicates with each other. The pump unit 390 moves the piston 395 up and down by rotating the motor, sucks an appropriate amount of the softener from the pump unit inlet 392a, and discharges it from the pump unit outlet 392b.

Next, the softener three-way valve 382 closes, the path between the softener tank 460 and the pump unit 390 is cut off, and the path from the third water bottle 313 to the liquid agent automatic charging device 301 communicates. After that, the third water bottle 313 is opened, and the path cleaning for washing away the detergent in the three-way valve 380 and the pump unit 390 is performed.

In this way, the washing machine 100 performs route cleaning even after the softener is added. By this route washing, the residual softener and the detergent added in the next washing operation are suppressed from being mixed, and the precipitation of foreign substances generated when the detergent and the softener are mixed is suppressed.

After an appropriate amount of softener is discharged from the pump unit outlet 392b and flows into the water supply unit housing 320 and the lower part 370 of the flow path, the second water bottle 312 is opened and water is supplied to the second water supply path 322. (See FIG. 8). Like the water flow Y, the water introduced into the second headrace path 322 passes through the softener water injection port 334 and is injected into the softener manual charging unit 430. Then, the water injected into the softener manual charging unit 430 flows down from the discharge port of the softener manual charging unit 430 to the lower part of the flow path 370 to dissolve the softener accumulated in the lower part of the flow path 370 and the washing tub 500. (See FIGS. 6, 9 and 15).

[1-3. Action, etc.]
As described above, the washing machine 100 according to the first embodiment includes a housing 600, a washing tub 500, a water supply unit 300, a detergent tank 450 and a softener tank 460, and a liquid agent automatic charging device 301. The washing tub 500 is provided inside the housing 600 and accommodates laundry. The water supply unit 300 is arranged inside the housing 600 and supplies water to the washing tub 500. The detergent tank 450 and the softener tank 460 store the liquid agent inside. The liquid agent automatic charging device 301 charges the liquids stored in the detergent tank 450 and the softener tank 460 into the washing tub 500. The water supply unit housing portion 320 of the water supply unit 300 is formed in a box shape so as to accommodate the detergent tank 450 and the softener tank 460 inside. Further, the water supply unit 300 is formed with a first water supply path 321 and a second water supply path 322 and a third water supply path 323 for circulating the water introduced from the water supply valve 310. The liquid agent automatic charging device 301 is attached to the outer peripheral surface on the back surface side of the water supply unit housing portion 320, and is connected to the third water conveyance path 323.

As described above, in the washing machine 100 according to the first embodiment, the first water supply path 321 and the second water supply path 322 and the third water supply path 323 are integrally formed with the water supply unit 300, and the third water supply path 323 is It is directly connected to the liquid agent automatic charging device 301 without going through a relay component or the like.

Therefore, the washing machine 100 in the first embodiment can supply water at a stable flow rate to the liquid agent automatic charging device 301, and can realize a large capacity of the detergent tank 450 and the softener tank 460 in a limited space.

Although not particularly illustrated, the washing machine 100 according to the first embodiment further includes an outer tub that rotatably contains the washing tub 500, and the water supply unit 300 is arranged inside the housing 600. Water may be supplied to the washing tub 500 or the exterior.

As in the present embodiment, the liquid agent automatic charging device 301 of the washing machine 100 introduces the liquid agent into the pump unit 390 that sucks and discharges the liquid agent stored in the detergent tank 450 and the softener tank 460, and the pump unit 390. The path 325 in the automatic pumping device may be included. Further, the third water supply path 323 may include a cleaning path water supply port 324 formed on the back surface side of the water supply unit housing portion 320. The liquid agent automatic charging device 301 may be attached to the back surface of the water supply unit housing portion 320 so that the cleaning path water guide port 324 and the automatic charging device internal path 325 are connected to each other.

As a result, the washing machine 100 is provided with the third water guide path 323, which is a dedicated route for the liquid agent automatic charging device 301, so that even if the total water supply amount is low, the water is stably supplied to the liquid agent automatic charging device 301. can do.

As in the present embodiment, the washing machine 100 may include a detergent case 400 housed in a water supply unit 300 and configured to be capable of charging a single dose of the agent. Further, the water supply unit 300 is formed as a detergent case flow path portion 330 for injecting water into the detergent case 400 housed below and a bottom portion of the water supply unit 300, and is configured as a discharge unit for discharging water and an agent to the washing tub 500. The lower part of the flow path 370 may be included. Then, the detergent case 400 and the liquid agent automatic charging device 301 may allow the water and the agent inside to flow out to the lower part of the flow path 370.

As in the present embodiment, the washing machine 100 is a washing machine capable of putting laundry into the inside from the upper surface side of the housing 600 in the installed state. The washing machine 100 includes a lower housing 610, a washing tub 500, an upper housing 620, a water supply unit 300, a detergent tank 450 and a softener tank 460, and a liquid agent automatic charging device 301. The lower housing 610 constitutes the housing 600. The washing tub 500 is provided inside the lower housing 610 and is formed in a bottomed cylindrical shape that opens upward. The upper housing 620 constitutes the housing 600, is arranged on the upper part of the lower housing 610, and forms a laundry input port 621 communicating with the washing tub 500. The water supply unit 300 is arranged at the rear of the upper housing 620 and supplies water to the washing tub 500. The detergent tank 450 and the softener tank 460 store the liquid agent inside. The liquid agent automatic charging device 301 charges the liquids stored in the detergent tank 450 and the softener tank 460 into the washing tub 500. The water supply unit 300 has a tank accommodating portion 360, a first water supply path 321 and a second water supply path 322 and a third water supply path 323. The tank accommodating portion 360 opens toward the inlet 621 and accommodates the detergent tank 450 and the softener tank 460. The first water supply path 321 and the second water supply path 322 and the third water supply path 323 are configured as an internal structure of the water supply unit 300, and the water introduced from the water supply valve 310 is circulated. The liquid agent automatic charging device 301 is attached to the back surface of the water supply unit 300 and is directly connected to the third water conveyance path 323.

As a result, the washing machine 100, which is a vertical washing machine, can supply a stable flow rate of water to the liquid agent automatic charging device 301, and minimizes the number of connection points to reduce the risk of water leakage in a limited space. It is possible to increase the capacity of the detergent tank 450 and the softener tank 460.

The conventional washing machine requires a plurality of relay parts such as hoses and resin parts as a flow path configuration for connecting the water supply valve and the liquid agent automatic charging device (for example, Patent Document 1). Therefore, the calculation of the flow rate of the water supplied from the water supply valve to the automatic liquid charge charging device becomes complicated, and it is difficult to supply water at a stable flow rate.

The washing machine 100 in the present embodiment uses only the third water supply path 323 arranged in the water supply unit 300 as a flow path configuration for connecting the water supply valve 310 and the liquid agent automatic charging device 301. That is, in the washing machine 100 of the present embodiment, the water supply unit 300 is directly connected to the water supply valve 310, and the water supply unit 300 has the first water supply path 321 and the second water supply path 321 for circulating the water introduced from the water supply valve 310 to the water supply unit 300. A water supply path 322 and a third water supply path 323 are formed. Then, in the washing machine 100 of the present embodiment, the liquid agent automatic charging device 301 is directly connected to the third water conveyance path 323. That is, the washing machine 100 in the present embodiment is not configured to connect the water supply valve 310 and the liquid agent automatic charging device 301 by a relay component such as a hose.

This facilitates the calculation of the flow rate of the water supplied from the water supply valve 310 to the liquid agent automatic charging device 301, and the washing machine 100 in the present embodiment can supply a stable flow rate. Therefore, the washing machine 100 in the present embodiment can suppress the clogging of foreign matter in the liquid agent automatic charging device that occurs when the amount of water supplied is small.

The water supply path in the present embodiment is configured as a part of the water supply unit 300 formed in a box shape, and the first water supply path 321 and the second water supply path 322 are arranged on the upper surface of the water supply unit 300. The three water supply paths 323 are arranged on the back surface of the water supply unit 300.

As a result, the washing machine 100 in the present embodiment is provided for storing the detergent tank 450, the softener tank 460, and the detergent case 400, while not losing the space inside the washing machine due to the bulky relay parts. You do not have to lose the internal space that has been created.

Therefore, the washing machine 100 in the present embodiment can configure the water supply unit 300 provided for supplying water to the liquid agent automatic charging device 301 in a space-saving manner. Further, the washing machine 100 in the present embodiment can realize a large capacity of the detergent tank 450 and the softener tank 460 in the limited space of the washing machine 100. Further, the washing machine 100 in the present embodiment constitutes a water guide path (first water guide path 321, second water guide path 322, and third water guide path 323) in the minimum space. As a result, in the washing machine 100 of the present embodiment, the tank accommodating portion 360 and the detergent case accommodating portion 350 can be integrated on the same surface, and a layout that is easy for the user to use becomes possible.

In the washing machine 100 of the present embodiment, the third water guide path 323 is directly connected to the liquid agent automatic charging device 301 without going through the detergent case 400.

As a result, the washing machine 100 in the present embodiment suppresses the decrease in the flow velocity in the third water conveyance path 323 by the time it reaches the liquid agent automatic charging device 301, and the appropriate flow rate of water is supplied to the liquid agent automatic charging device 301. Can be supplied.

(Embodiment 2)
[2-1. Constitution]
The washing machine according to the second embodiment includes two on-off valves instead of the water supply valve 310 including three on-off valves of the first water bottle 311 and the second water bottle 312 and the third water bottle 313. It is different from the washing machine 100 in the first embodiment in that the water supply valve in the above is used.

The water supply valve in the second embodiment includes the first water bottle in the second embodiment and the second water bottle in the second embodiment as an on-off valve. The opening and closing of the first water bottle in the second embodiment and the second water bottle in the second embodiment are independently controlled to open and close.

The water guide path connected to the first water bottle in the second embodiment is configured to branch into the first water bottle path in the second embodiment and the third water bottle path in the second embodiment. The first water supply path in the second embodiment is provided to supply water to the bath pump 314, the powder detergent manual charging section 410, and the liquid detergent manual charging section 420. The third water supply path in the second embodiment is provided for supplying water to the liquid agent automatic charging device 301.

The second water bottle in the second embodiment is connected to the second water bottle in the second embodiment. The second water supply path in the second embodiment is provided to supply water to the softener manual charging section 430. The second headrace in the second embodiment is connected to the second headrace in the second embodiment. Therefore, the second headrace in the second embodiment is at a different timing from the first headrace in the second embodiment and the third headrace in the second embodiment connected to the first water bottle in the second embodiment. Water can be passed.

[2-2. Action, etc.]
As described above, the washing machine according to the second embodiment is housed in the bath pump 314 that sucks water from the outside of the washing machine according to the second embodiment and supplies it to the washing tub 500, and the water supply unit 300, and is used for one time. A detergent case 400 configured to allow the agent to be charged is provided. The water conveyance path according to the second embodiment is connected to the water supply valve according to the second embodiment, and is formed so as to be branched so as to supply water to the bath pump 314, the detergent case 400, and the liquid agent automatic charging device 301, respectively. Specifically, the water guide path in the second embodiment is connected to the first water bottle in the second embodiment, and is divided into a first water bottle path in the second embodiment and a third water bottle path in the second embodiment. It is formed by branching. The first water supply path in the second embodiment supplies water to the bath pump 314 and the detergent case 400. The third water conveyance path in the second embodiment supplies water to the liquid agent automatic charging device 301.

As described above, in the first water conveyance path in the second embodiment and the third water conveyance path in the second embodiment, the flow paths corresponding to the bus pump 314, the detergent powder manual charging unit 410, and the liquid detergent manual charging unit 420 are branched. It is a series of parts that have been made. As a result, the washing machine according to the second embodiment has a cross-sectional area ratio by changing the flow path cross-sectional area of the flow path corresponding to the bath pump 314, the powder detergent manual charging section 410, and the liquid detergent manual loading section 420. The flow rate supplied to each flow path can be adjusted.

Therefore, in the washing machine according to the second embodiment, the amount of water supplied to each of the flow paths corresponding to the bath pump 314, the detergent case 400, and the liquid agent automatic charging device 301 can be easily adjusted.

(Other embodiments)
As described above, Embodiments 1 and 2 have been described as examples of the techniques in the present disclosure. However, the techniques in this disclosure are not limited to this.

Therefore, other embodiments will be exemplified below.

In the first and second embodiments, a vertical washing machine has been described as an example of the washing machine in the present disclosure. The washing machine in the present disclosure is not limited to the vertical type washing machine, and may be a drum type washing machine or a two-tank type washing machine.

In the first embodiment, as an example of the water supply valve in the present disclosure, the water supply valve 310, in which the first water bottle 311 and the second water bottle 312 and the third water bottle 313 can be opened and closed independently, has been described. Further, in the second embodiment, as an example of the water supply valve in the present disclosure, the water supply valve in the second embodiment including two on-off valves has been described. The water supply valve in the present disclosure is not limited to the configuration of the water supply valve 310 and the water supply valve in the second embodiment because water may be introduced into the water supply path. The water supply valve in the present disclosure may be configured to supply water introduced from the second water bottle 312 or the second water bottle in the second embodiment to the liquid agent automatic charging device 301, for example. Further, the water supply valve in the present disclosure is not limited to the configuration including two or three on-off valves, and may be configured to include one on-off valve or may include four or more on-off valves.

In the first and second embodiments, the liquid agent automatic charging device in the present disclosure attached to the outer peripheral surface of the water supply unit in the present disclosure and the liquid agent automatic charging device provided on the back surface of the water supply unit 300 as an example of the cleaning route in the present disclosure. 301 and the third headrace route 323 have been described. The outer peripheral surface of the water supply unit in the present disclosure is not limited to the back surface of the water supply unit in the present disclosure, and may be any of the upper surface, the lower surface, the right side surface, the left side surface, the front surface, and the back surface of the water supply unit in the present disclosure.

Further, the water supply unit in the present disclosure is formed in a box shape to accommodate the liquid agent tank in the present disclosure, and is not limited to a substantially rectangular parallelepiped or a substantially cube, and has a substantially polygonal, circular or elliptical cross section. It may have a rounded shape.

This disclosure is applicable to a washing machine equipped with an automatic liquid injection device. Specifically, the present disclosure is applicable to a vertical washing machine, a drum type washing machine, a two-tank type washing machine, and the like.

100 Washing machine 200 Water supply port 210 Water supply hose 300 Water supply unit 301 Liquid agent automatic charging device 302 Detergent tank outlet 303 Detergent tank outlet 310 Water supply valve 311 First water conduit 312 Second water conduit 313 Third water conduit 314 Bus Pump 320 Water supply unit housing 321 1st water guide 322 2nd water head 323 3rd water head 324 Cleaning route Water head 325 Automatic inlet device 326 Outlet 330 Detergent case Flow path 331 Detergent water inlet 332 Liquid Detergent water inlet 333 Bus pump water injection port 334 Softener water injection port 340 Flow path lid 350 Detergent case housing 360 Tank housing 360a Detergent automatic charging connection 360b Softener automatic charging connection 370 Flow path lower 380 Three-way valve 381 Detergent three-way valve 382 Softener Three-way valve 390 Pump unit 391 Pump inner flow path 392a Pump unit inlet 392b Pump unit outlet 393 Inlet check valve 394 Outlet check valve 395 Piston 397 Cylinder 400 Detergent case 410 Powder detergent manual charging section 420 Liquid detergent manual charging part 430 Detergent manual charging part 450 Detergent tank 450a Detergent tank remaining amount scale 451 Detergent tank charging part 452 Detergent automatic charging insertion port 460 Detergent tank 460a Softening agent tank remaining amount scale 461 Detergent tank charging part 462 Detergent automatic charging port 500 Washing tub 600 Housing 610 Lower housing 620 Upper housing 621 Input port 700 Lid 800 Operation unit X Water flow Y Water flow Z Water flow

Claims

With the housing
A washing tub provided inside the housing and accommodating laundry,
A water supply unit disposed inside the housing and supplying water to the washing tub,
A liquid tank that stores the liquid inside, and a liquid tank
A liquid agent automatic charging device for charging the liquid material stored in the liquid agent tank into the washing tub is provided.
The water supply unit is formed in a box shape so as to accommodate the liquid agent tank inside, and the water supply unit is formed with a water guide path for circulating water introduced from a water supply valve.
The liquid agent automatic charging device is a washing machine attached to the outer peripheral surface of the water supply unit and connected to the water conduction path.
The liquid agent automatic charging device is
A pump unit that sucks and discharges the liquid stored in the liquid tank, and
Including a path in the automatic charging device for introducing the liquid agent into the pump unit,
The water conduction path includes a cleaning channel formed on the outer peripheral surface of the water supply unit.
The washing machine according to claim 1, wherein the liquid agent automatic charging device is attached to the outer peripheral surface of the water supply unit so that the cleaning flow path and the path inside the automatic charging device are connected to each other.
A bath pump that sucks water from the outside of the washing machine and supplies it to the washing tub,
It is provided with an agent charging device housed in the water supply unit and configured to be capable of charging a single dose of the agent.
The washing machine according to claim 1, wherein the water guide path is connected to the water supply valve and is branched so as to supply water to the bus pump, the agent charging device, and the liquid agent automatic charging device, respectively.
It is equipped with an agent charging device that is housed in the water supply unit and is configured to be capable of charging a single dose of agent.
The water supply unit is
A water injection unit for the agent injection device that injects water into the agent injection device housed below,
A discharge unit formed as the bottom of the water supply unit and discharging water and an agent to the washing tub, and includes a discharge unit.
The washing machine according to claim 1, wherein the agent charging device and the liquid agent automatic charging device are used to discharge water and agents inside to the discharging unit.
A washing machine that can put laundry into the inside from the upper surface side of the housing in the installed state.
The lower housing that constitutes the housing and
A washing tub provided inside the lower housing and formed in a bottomed cylindrical shape that opens upward,
An upper housing that constitutes the housing, is arranged on the upper part of the lower housing, and has a loading port for the laundry that communicates with the washing tub.
A water supply unit disposed at the rear of the upper housing and supplying water to the washing tub,
A liquid tank that stores the liquid inside, and a liquid tank
A liquid agent automatic charging device for charging the liquid material stored in the liquid agent tank into the washing tub is provided.
The water supply unit is
A tank accommodating portion that opens toward the inlet and stores the liquid agent tank,
It is configured as the internal structure of the water supply unit and has a water conduction path for circulating water introduced from the water supply valve.
The liquid agent automatic charging device is a washing machine attached to the back surface of the water supply unit and directly connected to the water conduction path.