TW202221191A - washing machine - Google Patents

Abstract

The washing machine of the present disclosure comprises a casing, a washing tank, a water-conducting path, a liquid tank, an automatic liquid putting device, and a controlling part. The washing tank is provided inside the casing and contains laundry. The water-conducting path supplies water introduced from a feed-water valve to the washing tank. The liquid tank stores a liquid in the inside thereof. The automatic liquid putting device injects the liquid stored in the liquid tank into the washing tank. The water-conducting path includes a first water path that supplies water to the washing tank without passing through the automatic liquid putting device. The feed-water valve includes a first valve for supplying water to the first water path. The controlling part drives the automatic liquid putting device and drives to open the first valve.

Description

washing machine

The present disclosure is related to a washing machine.

Patent Document 1 discloses a washing machine provided with an automatic liquid agent injection device.

The washing machine of Patent Document 1 includes: a liquid agent tank for accommodating liquid agent; a liquid agent automatic injection device for automatically supplying the liquid agent in the liquid agent tank into the washing tub; and a water supply valve for automatically injecting the liquid agent with the liquid agent through a water channel The device is connected. In the washing machine, after the automatic liquid agent injection device is driven to supply the liquid agent into the washing tub, the water supply valve is opened to supply water into the liquid agent automatic injection device. prior art literature

Patent Literature Patent Document 1: International Publication No. 2019/039140

The present disclosure provides a washing machine that can efficiently perform a water supply operation accompanying a washing operation in a washing machine provided with an automatic liquid agent injection device.

The washing machine in the present disclosure includes a casing, a washing tub, a water guide, a liquid agent tank, an automatic liquid agent injection device, and a control unit. The washing tub is provided inside the casing and accommodates laundry. The water guide path supplies the water introduced from the water supply valve to the washing tub. The liquid agent tank stores liquid agent inside. The liquid agent automatic feeding device injects the liquid agent stored in the liquid agent tank to the washing tank. In addition, the water guide path includes a first water path for supplying water to the washing tub without passing through the liquid agent automatic injection device, the water supply valve includes a first valve for supplying water to the first water path, and the control unit drives the liquid agent automatic injection device and causes the first valve. open drive.

The washing machine of the present disclosure can perform the automatic injection operation by the liquid agent automatic injection device, and can efficiently perform the water supply operation accompanying the washing operation.

Form for carrying out the invention Hereinafter, embodiments will be described in detail with reference to the drawings. In addition, the attached drawings and the following descriptions 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 scope of the application. (Embodiment 1)

Hereinafter, the washing machine 100 in Embodiment 1 will be described using FIGS. 1 to 16 . [1-1. Composition] [1-1-1. Configuration of washing machine]

1 is an external perspective view showing the configuration of the washing machine 100 in Embodiment 1 with the lid 700 closed, and FIG. 2 is an external perspective view showing the configuration of the washing machine 100 with the lid 700 opened. In addition, in Embodiment 1, the vertical direction in the state which installed the washing machine 100 as shown in FIG.1 and FIG.2 may be described as an up-down direction. In addition, in Embodiment 1, the side where the operation part 800 of the washing machine 100 in FIG. 1 and FIG. 2 exists may be described as a rear surface, and the opposite side may be described as a front surface. That is, the user generally puts laundry such as clothes into the washing machine 100 while standing on the front side of the washing machine 100 and performs various operations for operating the washing machine 100 . In addition, the laundry in the present disclosure is not limited to clothes, but refers to cloth or leather products such as bedding, curtains, carpets, shoes, etc., 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 casing 600 , a cover 700 , an operation unit 800 , and a control unit 900 . The washing machine 100 is a so-called upright washing machine, and in the installed state, the laundry can be put into the interior from the upper surface side of the casing 600 . The casing 600 includes a lower casing 610 and an upper casing 620 . The washing tub 500 is accommodated in the lower case 610 . The washing tub 500 is a cylindrical body with an upper opening, and can accommodate laundry to perform a washing operation of washing the laundry. That is, the washing tub 500 is provided inside the casing 600 and accommodates laundry. The washing operation may be an operation performed by the sink of various known washing machines. The principle of Embodiment 1 is not limited to the specific washing operation performed by the washing tub 500 .

The upper case 620 is disposed above the lower case 610 , and the upper case 620 is formed with a laundry inlet 621 that communicates with the washing tub 500 . The cover body 700 is attached to the rear of the upper case 620 and covers the input port 621 in a freely openable and closable manner. When the user rotates the cover 700 upward, the washing tub 500 is exposed through the inlet 621 . The user can put the laundry into the washing tub 500 from the input port 621 .

The operation part 800 is arrange|positioned at the rear part of the upper case 620 and the position which becomes the rear of the input port 621. The user can operate the operation part 800 to set various operations of the washing tub 500 .

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 to introduce tap water from the faucet.

The control unit 900 is provided in the casing 600 . The control part 900 controls the operation|movement of the whole washing machine 100 according to the operation of the operation part 800 by a user. For example, the control unit 900 controls the water supply valve 310 (refer to FIG. 3 ) and the liquid medicine automatic injection device 301 (refer to FIG. 3 ). A computer system having a processor and memory. Furthermore, by causing the processor to execute the program stored in the memory, the computer system functions as a control device. Although the program executed by the processor is set to be pre-recorded in the memory of the computer system, it can also be provided in a non-temporary recording medium such as a memory card, or via a telecommunication line such as the Internet. .

As shown in FIG. 2, the lotion tank 450, the softener tank 460, and the lotion case 400 are arrange|positioned so that the front surface may become flush in the state accommodated in the water supply unit 300.

FIG. 3 is an external perspective view showing the configuration of the water supply unit 300 and its surroundings, with the lotion box 400 , the lotion tank 450 , and the softener tank 460 pulled out. As shown in FIG. 3, the lotion tank 450 and the softener tank 460 are comprised so that the liquid agent of the quantity which can perform a plurality of operations can be stored. Specifically, the lotion tank 450 stores liquid lotion, and the softener tank 460 stores softener. That is, the lotion tank 450 and the softener tank 460 are an example of the liquid agent tank in this disclosure which stores liquid agent inside. The lotion tank 450 is formed with a lotion tank injection part 451 for injecting the stored liquid lotion, and the softener tank 460 is formed with a softener tank injection part 461 for injecting the stored softener. The lotion tank injection part 451 and the softener tank injection part 461 are opened on the upper surface so that the liquid agent can be injected.

Moreover, the lotion tank remaining amount scale 450a is provided in the lotion tank 450, and the softener tank remaining amount scale 460a is provided in the softener tank 460. FIG. The lotion tank remaining amount scale 450a and the softener tank remaining amount scale 460a are each formed of a transparent material, allowing the user to visually confirm the remaining amount of the liquid agent.

On the other hand, the lotion box 400 is used for the user to put in an amount of the agent required for one operation. The lotion box 400 is provided with a powder lotion manual injection part 410 for injecting powder lotion, a liquid lotion manual injection part 420 for injecting liquid lotion, and a softener manual injection part 430 for injecting softener.

The lid body 700 is partially transparent. In this way, even in the state where the lid body 700 is closed, the user can visually confirm the remaining amount scale 450a of the lotion tank and the remaining amount scale 460a of the softener tank to confirm that the lotion tank 450 and the softener tank input portion 461 are stored the remaining amount of the liquid. [1-1-2. Water supply unit]

FIG. 4 is a rear view showing the structure of the water supply unit 300 and its surroundings, and FIG. 5 is an exploded perspective view showing the structure of the water supply unit 300 and its surroundings. As shown in FIG. 5 , the water supply unit 300 is mainly composed of a water supply unit case portion 320, a flow path cover portion 340, and a flow path lower portion 370. The water supply unit case portion 320 is formed in a substantially box shape, and the flow path cover The portion 340 covers the upper surface of the water supply unit case portion 320 , and the aforementioned flow path lower portion 370 is attached to the lower bottom portion of the water supply unit case portion 320 .

As shown in FIGS. 3 and 4 , when viewed from the back of the water supply unit case portion 320 , a water supply valve 310 is attached to the left portion, and the water supply valve 310 is openable and closable to allow the water introduced from the water supply port 200 to pass therethrough. In a state where the water supply valve 310 is opened, the water introduced from the water supply valve 310 is introduced into the water supply unit case portion 320 .

A bath pump 314 which sucks water from the outside of the washing machine 100 through a hose (not shown) is disposed in the central portion of the rear surface of the water supply unit case portion 320 . The tank pump 314 is fixed to the flow path cover 340 by screwing, and is directly connected to the first water guide path 321 described later through the tank pump water injection port 333 . The tank pump 314 can start suction and discharge operations by supplying water from the first water guide path 321 .

As shown in FIGS. 5 and 6 , the water supply unit case portion 320 is formed in a substantially box shape opened in the front. The water supply unit housing portion 320 has a tank accommodating portion 360 and a lotion box accommodating portion 350 as an inner space. The tank accommodating part 360 accommodates the lotion tank 450 and the softener tank 460 so that they can be pulled out independently, and the lotion box accommodating part 350 accommodates the lotion box 400 so that they can be independently pulled out.

The lotion box flow path part 330 is disposed as an upper surface of the lotion box accommodating part 350 , and a first water guide path 321 and a second water guide path 322 to be described later are formed in the lotion box flow path part 330 .

As shown in FIGS. 3 and 4 , when viewed from the back of the water supply unit case portion 320 , the liquid medicine automatic injection device 301 is attached to the right portion. The liquid agent automatic injection device 301 injects the liquid agent stored in the lotion tank 450 and the softener tank 460 into the washing tank 500 . The liquid reagent automatic injection device 301 will be described later. [1-1-3. Water guide path]

As shown in FIGS. 4 and 5 , the water supply valve 310 includes three on-off valves of the first water guide tube 311 , the second water guide tube 312 , and the third water guide tube 313 , and is configured to open and close each on-off valve independently.

FIG. 6 is a plan view showing the configuration of the water supply unit 300 and its periphery from which the flow path cover 340 has been removed. FIG. 7 is a plan view illustrating a cross-section of the water supply unit 300 and its periphery with the flow path cover 340 removed in a state in which the lotion box 400, the lotion tank 450, and the softener tank 460 are detached. FIG. 8 is an F-F sectional view of the water supply unit 300 and its surroundings shown in FIG. 7 . 9 is a plan view showing the configuration of the water supply unit 300 and its surroundings with the flow path cover 340 removed in a state in which the lotion box 400, the lotion tank 450, and the softener tank 460 are pulled out. FIG. 10 is a B-B sectional view of the water supply unit 300 and its surroundings shown in FIG. 7 .

As shown in FIGS. 6 to 10 , the water supply unit housing portion 320 is formed with a first water guide path 321 , a second water guide path 322 , and a third water guide path 323 , and these water guide paths are supplied to the washing tub 500 from the water supply valve 310 . of water. The water supply valve 310 is directly connected to the first water guide path 321 , the second water guide path 322 and the third water guide path 323 . The first water guide path 321 , the second water guide path 322 and the third water guide path 323 are formed by branching to communicate with the first water guide tube 311 , the second water guide tube 312 and the third water guide tube 313 independently. That is, the first water guide tube 311 communicates with the first water guide path 321 , the second water guide tube 312 communicates with the second water guide path 322 , and the third water guide tube 313 communicates with the third water guide path 323 . [1-1-4. Lotion box, first water guide path, second water guide path]

As shown in FIGS. 3 and 6 to 9 , the first water guide path 321 and the second water guide path 322 are configured to guide the water supplied from the first water guide tube 311 and the second water guide tube 312 to the lotion box flow path portion 330, to fill the lower lotion box 400 with water.

As described above, the powder lotion manual injection part 410 , the liquid lotion manual injection part 420 , and the softener manual injection part 430 are provided inside the lotion box 400 , and are configured to allow the user to inject various agents.

The first water guide path 321 is provided with a water injection port 331 for powder lotion and a water injection port 332 for liquid lotion. The aforementioned water injection port 331 for powder lotion is formed to communicate up and down above the manual powder lotion input portion 410. The aforementioned The water injection port 332 for liquid lotion is formed so as to communicate up and down above the liquid lotion manual injection part 420 . The second water guide path 322 is provided with a water injection port 334 for softener, and the water injection port 334 for softener is formed so as to communicate up and down above the manual softener injection portion 430 .

The powder lotion manual injection part 410 , the liquid lotion manual injection part 420 , and the softener manual injection part 430 are each provided with a discharge port (not shown), which discharges the liquid accumulated inside to the lower part. The liquid discharged from the discharge port falls toward the lower part 370 of the flow path. The flow path lower part 370 is configured as a discharge part, and discharges the liquid to the washing tub 500 . [1-1-5. Lotion tank, automatic injection device, third water guide path]

11 is an E-E sectional view of the water supply unit 300 shown in FIG. 7 and its surroundings, and FIG. 12 is a C-C sectional view of the water supply unit 300 shown in FIG. 7 and its surroundings. 13 is an A-A sectional view of the water supply unit 300 shown in FIG. 7 and its surroundings, and FIG. 14 is a D-D sectional view of the water supply unit 300 shown in FIG. 7 and its surroundings. 15 is an external appearance front view showing the configuration of the water supply unit 300, and the lotion box 400, the lotion tank 450, and the softener tank 460 are detached.

As shown in FIGS. 6 and 10 to 15 , the third water guide path 323 is formed along the back surface of the water supply unit housing portion 320 to cover a substantially horizontal direction, and the washing path water guide port 324 is opened on the back side. The cleaning path water guide port 324 is connected to the internal path 325 of the automatic injection device, which will be described later, so that the third water guide path 323 is communicated with the liquid agent automatic injection device 301 . The liquid reagent automatic injection device 301 is arranged on the back side of the tank accommodating portion 360 . Moreover, the liquid agent automatic injection device 301 is connected to the lotion tank 450 and the softener tank 460 accommodated in the tank accommodating part 360, as mentioned later.

As shown in FIG. 9 , a lotion tank insertion port 302 is provided on the back side of the lotion tank 450, and a lotion tank check valve (not shown) is provided inside the lotion tank insertion port 302 and is opened by being pushed in. icon). Similarly, the softener tank insertion port 303 and the softener tank check valve (not shown) opened by being pushed are provided on the back side of the softener tank 460 . The lotion tank 450 is configured such that in the state of being installed in the tank accommodating portion 360, the lotion automatic injection insertion port 452, which will be described later, is inserted into the lotion tank insertion port 302, and the lotion tank check valve is opened so that liquid can be supplied. lotion. Similarly, when the softener tank 460 is installed in the tank accommodating portion 360, the softener automatic injection 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 to prevent Softener available.

A connection part 360a for automatic detergent injection and a connection part 360b for automatic softener injection are provided on the inner back surface of the tank accommodating part 360 . The connection part 360a for automatic lotion injection and the connection part 360b for automatic softener injection are comprised so that the automatic detergent injection insertion port 452 and the automatic softener injection insertion port 462 of the liquid agent automatic injection device 301 may be surrounded.

The liquid agent automatic injection device 301 includes: an automatic lotion injection insertion port 452 , an automatic softener injection insertion port 462 , a three-way valve 380 , a pump unit 390 , and a path 325 in the automatic injection device. The three-way valve 380 switches the paths of liquid lotion, softener, and water. The pump unit 390 sucks and discharges the liquid medicine. The path 325 in the automatic feeding device connects the three-way valve 380 and the pump unit 390 .

As shown in FIG. 9 , the automatic lotion injection insertion port 452 and the automatic softener injection insertion port 462 are formed to protrude forward. When the lotion tank 450 and the softener tank 460 are accommodated in the tank accommodating portion 360 , the lotion automatic injection insertion port 452 is connected to the lotion tank 450 , and the softener automatic injection insertion port 462 is connected to the softener tank 460 .

The three-way valve 380 includes a detergent three-way valve 381 and a softener three-way valve 382 each of which can be independently controlled to open and close. The lotion three-way valve 381 is arranged so as to communicate with the lotion automatic injection insertion port 452 . Moreover, the softener three-way valve 382 is arranged so as to communicate with the softener automatic injection insertion port 462 . As shown in FIG. 13 , the downstream side of the three-way valve 380 is connected to the pump unit 390 through the path 325 in the automatic injection device. In this way, the three-way valve 380 is connected to the automatic injection device internal path 325 , the lotion automatic injection insertion port 452 , the softener automatic injection insertion port 462 , and the pump unit 390 . The washing machine 100 can control the flow of detergent, softener, and water by opening and closing the detergent three-way valve 381 and the softener three-way valve 382 .

The pump unit 390 includes an in-pump flow path 391 , 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 is moved up and down by the rotational driving force of a motor (not shown).

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

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

The path 325 in the automatic injection device is connected to the lower part 370 of the flow path through the outflow port 326 of the washing path at the downstream of the pump unit 390 . [1-2. Action]

The operation|movement of the washing machine 100 comprised as mentioned above is demonstrated below. [1-2-1. Flow of water during washing operation when automatic activation function is used]

In FIGS. 6 , 8 , and 10 to 15 , the flow of water supplied from the first water guide tube 311 is defined as X, the flow of water supplied from the second water guide tube 312 is defined as Y, and the flow of water supplied from the third water guide tube 312 is defined as Y. The flow of the water supplied from the water guide tube 313 is defined as Z.

FIG. 16 is a timing chart during the washing operation of the washing machine 100 . As shown in FIG. 16 , at the start of the washing step, the liquid agent automatic injection device 301 is driven to perform automatic injection of the liquid agent. Specifically, first, with the third water guide tube 313 closed, the detergent three-way valve 381 , which is a part of the three-way valve 380 , is opened to communicate the route of the detergent tank 450 and the pump unit 390 . The pump unit 390 rotates the motor to move the piston 395 up and down, sucks the liquid lotion from the pump unit inlet 392a, and discharges it from the pump unit outlet 392b. The discharged lotion reaches the lower part 370 of the flow path.

While the piston 395 is being driven, the first water guide tube 311 is opened, and the water supply to the first water guide path 321 is started. As shown by the water flow X, the water introduced into the first water guide path 321 is poured into the powder lotion manual injecting portion 410, the liquid lotion injection port 331, the liquid lotion water injection port 332, and the tank pump water injection port 333. The lotion manual input part 420 and the tank pump 314 are provided. The water poured into the powder lotion manual input part 410 and the liquid lotion manual input part 420 flows down toward the flow path lower part 370 through the discharge port, and the liquid lotion in the flow path lower part 370 is dissolved and put into the washing tank 500 . The water supply to the first water guide path 321 is continued until the later-described path cleaning starts. Thereby, the water supply to the washing tub 500 can be performed while the automatic injection of the lotion is performed, so that the time required for the water supply operation in the washing step can be shortened. In addition, the water supply to the first water guide path 321 may be performed intermittently.

The suction and discharge of the liquid medicine by the pump unit 390 are performed intermittently. While the driving of the piston 395 is stopped, the detergent dispensing operation is performed.

When the lotion sending operation starts, the lotion three-way valve 381 is closed, the path between the lotion tank 450 and the pump unit 390 is blocked, and the path from the third water guide tube 313 to the liquid agent automatic injection device 301 is communicated. Next, the third water guide tube 313 of the water supply valve 310 is opened. As shown by the water flow Z, the water introduced from the third water guide tube 313 passes through the third water guide path 323 and through the washing path water guide port 324 to reach the automatic injection device internal path 325, and then passes through the pump internal flow path 391. In this way, in the lotion sending operation, water is supplied to the three-way valve 380 and the pump unit 390 , and the lotion remaining in the three-way valve 380 and the pump unit 390 is sent to the lower part 370 of the flow path.

As shown in FIG. 16 , the driving of the piston 395 and the dispensing operation of the lotion, that is, the opening of the third water guide tube 313 are performed alternately. Thereby, the washing machine 100 can dilute the lotion at a dilution concentration within a predetermined range, and supply the diluted lotion liquid to the laundry in the washing tub 500 .

After the driving of the piston 395 and the dispensing of the lotion have been carried out for a predetermined number of times, the separate water supply by the first water guide tube 311 is carried out. In the separate water supply, the detergent three-way valve 381 is closed, and the third water guide tube 313 is closed. The water introduced into the first water guide path 321 flows down toward the lower part 370 of the flow path through the discharge port of the lotion box 400 , and is put into the washing tub 500 . When the predetermined water supply ends, the first water guide tube 311 is closed.

Since there is an upper limit on the flow rate of water passing through the liquid reagent automatic injection device 301 , the third water guide path 323 or the automatic injection device internal path 325 is set to a smaller flow rate than the first water guide path 321 . Therefore, by implementing the separate water supply by the first water guide tube 311 , the predetermined amount of water supply can be completed in a short time compared to the case of using the third water guide tube 313 to implement the separate water supply. In addition, instead of the separate water supply by the first water guide tube 311 , the first water guide tube 311 can be opened, and then the third water guide tube 313 can be opened.

Next, route cleaning is performed. In the path cleaning, the third water guide tube 313 alone is supplied with water. Thereby, the water introduced from the water supply valve 310 is not divided into the first water guide path 321 and the third water guide path 323 , but is only supplied to the third water guide path 323 . Therefore, the amount of water passing through the third water guide path 323 during the path washing is larger than the amount of water passing through the third water guide path 323 during the detergent dispensing operation. The water that has passed through the path 325 in the automatic injection device flows down toward the lower part 370 of the flow path through the outflow port 326 of the washing path, and is injected into the washing tank 500 from the lower part 370 of the flow path.

The path cleaning surely washes away the lotion remaining in the liquid agent automatic injection device 301 and the lower part 370 of the flow path, and sends it to the washing tank 500 . Thereby, it is possible to suppress the mixing of the residual lotion with the softener put in in the final washing step, and to suppress the precipitation of foreign matter generated when the lotion and the softener are mixed. In addition, even when foreign matter is present, the path cleaning can remove foreign matter by strong water flow.

In the final cleaning step, the softener three-way valve 382 , which is a part of the three-way valve 380 , is opened to communicate the path between the softener tank 460 and the pump unit 390 . The pump unit 390 rotates the motor to move the piston 395 up and down, sucks an appropriate amount of softener from the pump unit inlet 392a, and discharges it from the pump unit outlet 392b. The softener discharged from the pump unit outlet 392b reaches the lower part 370 of the flow path.

Before or during the driving of the piston 395 , the second water guide tube 312 is opened, and the water supply to the second water guide path 322 is started. As shown by the water flow Y, the water introduced into the second water guide path 322 is injected into the softener manual injection part 430 through the softener water injection port 334, and flows down from the discharge port of the softener manual injection part 430 toward the flow path lower part 370, The softening agent accumulated in the lower part 370 of the flow path is dissolved and put into the washing tub 500 .

Next, the softener three-way valve 382 is closed, the path between the softener tank 460 and the pump unit 390 is blocked, and the path from the third water guide tube 313 to the liquid agent automatic injection device 301 is communicated. After that, the third water guide tube 313 is opened, and the route cleaning of the three-way valve 380 and the washing agent in the pump unit 390 is performed. By this route washing, the residual softener is prevented from being mixed with the lotion to be charged in the next washing operation, and the precipitation of foreign matter generated when the lotion and the softener are mixed is suppressed. [1-3. Function, etc.]

As described above, the washing machine 100 in Embodiment 1 includes the casing 600 , the washing tub 500 , the water guide, the lotion tank 450 , the softener tank 460 , the liquid agent automatic injection device 301 , and the control unit 900 . The washing tub 500 is provided inside the casing 600 and accommodates laundry. The water guide path supplies the water introduced from the water supply valve 310 to the washing tub 500 . The lotion tank 450 and the softener tank 460 are examples of the liquid agent tanks in the present disclosure, and store liquid agents inside. The liquid agent automatic injection device 301 injects the liquid agent stored in the lotion tank 450 and the softener tank 460 into the washing tank 500 . The water guide path includes the first water path. The first water path is the first water guide path 321 or the second water guide path 322 for supplying water to the washing tub 500 without using the liquid agent automatic injection device 301 . The water supply valve 310 includes a first valve. The first valve is the first water guide tube 311 or the second water guide tube 312 for supplying water to the first water guide path 321 or the second water guide path 322 . The control unit 900 drives the liquid agent automatic injection device 301 and drives the first water guide tube 311 to open.

Thereby, the water supply operation to the washing tub 500 and the automatic injection operation of the liquid lotion or softener can be simultaneously performed.

Therefore, the water supply operation accompanying the washing operation when the automatic activation function is used can be efficiently performed.

Like the washing machine 100 of the first embodiment, the water guide path may include a second water passage, and the water supply valve 310 may include a second valve. The second water path is the third water guide path 323 for supplying water to the washing tub 500 by the liquid agent automatic injection device 301 . The second valve is the third water guide tube 313 that supplies water to the third water guide path 323 . In addition, the control unit 900 may stop the driving of the automatic liquid chemical injection device 301, and may open and drive the third water guide tube 313 while the automatic liquid chemical injection device 301 stops driving.

Thereby, the water supply operation can be continued while the lotion is fed from the automatic injection device internal path 325 or the third water guide path 323, so that the operation time required for the washing step can be shortened. (Variation of Embodiment 1)

As described above, Embodiment 1 has been described as an example of the technology in the present disclosure. However, the techniques in the present disclosure are not limited thereto.

Then, the modification of Embodiment 1 is illustrated below.

In Embodiment 1, the washing machine 100 which is a vertical type washing machine was demonstrated as an example of the washing machine in this disclosure. The washing machine in the present disclosure is not limited to a vertical washing machine, and may be a drum-type washing machine or a double-tank washing machine.

In Embodiment 1, the first water guide tube 311 was described as an example of the first valve in the present disclosure. The first valve in the present disclosure is not limited to the first water guide tube 311 as long as it is a valve that opens and closes the first water passage that supplies water to the washing tub without passing through the liquid agent automatic injection device. The first valve in the present disclosure may be the second water guiding tube 312 alone, or may include both the first water guiding tube 311 and the second water guiding tube 312 . (Embodiment 2)

The present disclosure is related to a washing machine.

Patent Document 1 discloses a washing machine provided with an automatic liquid agent injection device.

The washing machine of Patent Document 1 includes: a liquid agent tank for accommodating liquid agent; a liquid agent automatic injection device for automatically supplying the liquid agent in the liquid agent tank into the washing tub; and a water supply valve for automatically injecting the liquid agent with the liquid agent through a water channel The device is connected. In the washing machine, after the automatic liquid agent injection device is driven to supply the liquid agent into the washing tub, the water supply valve is opened to supply water into the liquid agent automatic injection device.

The present disclosure provides a washing machine that suppresses the occurrence of inconveniences associated with water supply to an automatic liquid agent injection device.

The washing machine in the present disclosure includes a casing, a washing tub, a water guide, a liquid agent tank, an automatic liquid agent injection device, and a control unit. The washing tub is provided inside the casing and accommodates laundry. The water guide path supplies the water introduced from the water supply valve to the washing tub. The liquid agent tank stores liquid agent inside. The liquid agent automatic feeding device injects the liquid agent stored in the liquid agent tank to the washing tank. The water guide path includes a third water path for supplying water to the washing tub or the outer tub without the automatic liquid agent injection device, and a fourth water path for supplying water to the washing tank or the outer tank through the liquid agent automatic injection device. The water supply valve includes a third valve for supplying water to the third water channel and a fourth valve for supplying water to the fourth water channel. The control unit opens and drives the fourth valve after a predetermined time has elapsed after the third valve is opened and driven.

The washing machine of the present disclosure can suppress the occurrence of inconveniences associated with the water supply to the liquid agent automatic feeding device.

Hereinafter, Embodiment 2 will be described in detail with reference to the drawings. In addition, the attached drawings and the following descriptions 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 scope of the application.

Hereinafter, the washing machine 1100 in Embodiment 2 will be described with reference to FIGS. 17 to 32 . [2-1. Composition] [2-1-1. Configuration of washing machine]

17 is an external perspective view showing the configuration of the washing machine 1100 in Embodiment 2 with the lid 1700 closed, and FIG. 18 is an external perspective view showing the configuration of the washing machine 1100 with the lid 1700 opened. In addition, in Embodiment 2, as shown in FIG. 17 and FIG. 18, the vertical direction in the state which installed the washing machine 1100 may be described as an up-down direction. Moreover, in Embodiment 2, the side where the operation part 1800 of the washing machine 1100 in FIG. 17 and FIG. 18 exists may be described as a rear surface, and the opposite side may be described as a front surface. That is, the user generally puts laundry such as clothes into the washing machine 1100 while standing on the front side of the washing machine 1100, and performs various operations to operate the washing machine 1100. In addition, the laundry in the present disclosure is not limited to clothes, but refers to cloth or leather products such as bedding, curtains, carpets, shoes, etc., and other items that can be washed in various known washing machines.

As shown in FIGS. 17 and 18 , the washing machine 1100 includes a casing 1600 , a cover 1700 , an operation unit 1800 , and a control unit 1900 . The washing machine 1100 is a so-called upright washing machine, and in the installed state, the laundry can be put into the interior from the upper surface side of the casing 1600 . The casing 1600 includes a lower casing 1610 and an upper casing 1620 . The washing tub 1500 is accommodated in the lower case 1610 . The washing tub 1500 is a cylindrical body with an upper opening, and can accommodate laundry to perform a washing operation of washing the laundry. That is, the washing machine 1100 is disposed inside the casing 1600 and accommodates laundry. The washing operation may be an operation performed by the sink of various known washing machines. The principle of Embodiment 2 is not limited to the specific washing operation performed by the washing tub 1500 .

The upper case 1620 is disposed above the lower case 1610, and the upper case 1620 is formed with a laundry inlet 1621 that communicates with the washing tub 1500. The cover 1700 is attached to the rear of the upper case 1620 and covers the input port 1621 in a freely openable and closable manner. When the user rotates the cover 1700 upward, the washing tub 1500 is exposed through the input port 1621 . The user can put the laundry into the washing tub 1500 from the input port 1621 .

The operation part 1800 is arrange|positioned at the rear part of the upper case 1620 and the position which becomes the rear of the input port 1621. The user can operate the operation part 1800 to set various operations of the washing tub 1500 .

A water supply port 1200 is provided at the rear of the operation unit 1800, and a water supply hose 1210 is connected to the water supply port 1200 to introduce tap water from the faucet.

The control part 1900 is provided in the casing 1600 , and the control part 1900 controls the overall operation of the washing machine 1100 according to the operation of the operation part 1800 by the user. For example, the control unit 1900 controls the water supply valve 1310 (refer to FIG. 19 ) and the liquid medicine automatic injection device 1301 (refer to FIG. 19 ). The control unit 1900 has a computer system including a processor and a memory. Furthermore, by causing the processor to execute the program stored in the memory, the computer system functions as a control device. Although the program executed by the processor is set to be pre-recorded in the memory of the computer system, it can also be provided in a non-temporary recording medium such as a memory card, or via a telecommunication line such as the Internet. .

As shown in FIG. 18, the lotion tank 1450, the softener tank 1460, and the lotion case 1400 are arrange|positioned so that the front surface may become flush in the state accommodated in the water supply unit 1300.

FIG. 19 is an external perspective view showing the configuration of the water supply unit 1300 and its surroundings, and the lotion box 1400, the lotion tank 1450, and the softener tank 1460 are pulled out. As shown in FIG. 19, the lotion tank 1450 and the softener tank 1460 are comprised so that a liquid agent can be stored, and the quantity of a liquid agent is an amount which can perform a plurality of operations. Specifically, the lotion tank 1450 stores liquid lotion, and the softener tank 1460 stores softener. That is, the lotion tank 1450 and the softener tank 1460 are an example of the liquid agent tank in this disclosure which stores liquid agent inside. The lotion tank 1450 is formed with a lotion tank injection part 1451 for injecting the stored liquid lotion, and the softener tank 1460 is formed with a softener tank injection part 1461 for injecting the stored softener. The lotion tank injection part 1451 and the softener tank injection part 1461 are opened on the upper surface so that the liquid agent can be injected.

Moreover, the lotion tank 1450 is provided with the lotion tank remaining amount scale 1450a, and the softener tank 1460 is provided with the softener tank remaining amount scale 1460a. Each of the lotion tank remaining amount scale 1450a and the softener tank remaining amount scale 1460a is made of a transparent material, allowing the user to visually confirm the remaining amount of the liquid agent.

On the other hand, the lotion box 1400 is used in order for a user to put in an amount of the agent required for one operation. The lotion box 1400 is provided with a powder lotion manual injection part 1410 for injecting powder lotion, a liquid lotion manual injection part 1420 for injecting liquid lotion, and a softener manual injection part 1430 for injecting softener.

The lid body 1700 is partially transparent. Thereby, even in the state where the cover 1700 is closed, the user can visually confirm the remaining amount scale 1450a of the lotion tank and the remaining amount scale 1460a of the softener tank, and confirm that the lotion tank 1450 and the softener tank input part 1461 are stored the remaining amount of the liquid. [2-1-2. Water supply unit]

FIG. 20 is a rear view showing the configuration of the water supply unit 1300 and the surrounding area, and FIG. 21 is an exploded perspective view showing the configuration of the water supply unit 1300 and the surrounding area. As shown in FIG. 21 , the water supply unit 1300 is mainly composed of a water supply unit case portion 1320, a flow path cover portion 1340, and a flow path lower portion 1370. The water supply unit case portion 1320 is formed in a substantially box shape, and the flow path cover is formed. The portion 1340 covers the upper surface of the water supply unit case portion 1320 , and the aforementioned flow path lower portion 1370 is attached to the lower bottom portion of the water supply unit case portion 1320 .

As shown in FIGS. 19 and 20 , when viewed from the back of the water supply unit case portion 1320 , a water supply valve 1310 is attached to the left portion, and the water supply valve 1310 is openable and closable to allow the water introduced from the water supply port 1200 to pass therethrough. In the state where the water supply valve 1310 is opened, the water introduced from the water supply valve 1310 is introduced into the water supply unit case portion 1320 .

A tank pump 1314 is disposed in the center of the rear surface of the water supply unit case portion 1320, and the tank pump 1314 sucks water from the outside of the washing machine 1100 through a hose (not shown). The tank pump 1314 is fixed to the flow path cover 1340 by screwing, and is directly connected to the first water guide path 1321 described later through the tank pump water injection port 1333 . The tank pump 1314 can start suction and discharge operations by supplying water from the first water guide path 1321 .

As shown in FIG. 21 , the water supply unit case portion 1320 is formed in a substantially box shape that is opened in the front. The water supply unit housing part 1320 has a tank accommodating part 1360 and a lotion box accommodating part 1350 as an inner space. The tank accommodating part 1360 accommodates the lotion tank 1450 and the softener tank 1460 so that they can be independently pulled out, and the lotion box accommodating part 1350 accommodates the lotion box 1400 so that they can be independently pulled out.

The lotion box flow path portion 1330 is disposed as an upper surface of the lotion box accommodating portion 1350 , and a first water guide path 1321 and a second water guide path 1322 to be described later are formed in the lotion box flow path portion 1330 .

As shown in FIGS. 3 and 4 , when viewed from the back of the water supply unit case portion 1320 , the liquid medicine automatic injection device 1301 is attached to the right portion. The liquid agent automatic injection device 1301 injects the liquid agent stored in the lotion tank 1450 and the softener tank 1460 into the washing tank 1500 . The liquid reagent automatic injection device 1301 will be described later. [2-1-3. Water guide path]

As shown in FIGS. 20 and 21 , the water supply valve 1310 includes three on-off valves of the first water guide tube 1311 , the second water guide tube 1312 and the third water guide tube 1313 , and is configured to open and close each on-off valve independently.

FIG. 22 is a plan view showing the configuration of the water supply unit 1300 and its periphery from which the flow path cover 1340 has been removed. 23 is a plan view showing a cross-section of the water supply unit 1300 and its periphery with the flow path cover 1340 removed in a state in which the lotion box 1400, the lotion tank 1450, and the softener tank 1460 are detached. FIG. 24 is an M-M sectional view of the water supply unit 1300 and its surroundings shown in FIG. 23 . 25 is a plan view showing the configuration of the water supply unit 1300 and its periphery with the flow path cover 1340 removed in a state in which the lotion box 1400, the lotion tank 1450, and the softener tank 1460 are pulled out. FIG. 26 is an H-H sectional view of the water supply unit 1300 and its surroundings shown in FIG. 23 .

As shown in FIGS. 22 to 26 , the water supply unit housing portion 1320 is formed with a first water guide path 1321 , a second water guide path 1322 , and a third water guide path 1323 , and the supply of these water guide paths to the washing tub 1500 is introduced from the water supply valve 1310 . of water. The water supply valve 1310 is directly connected to the first water guide path 1321 , the second water guide path 1322 and the third water guide path 1323 . The first water guide path 1321 , the second water guide path 1322 and the third water guide path 1323 are formed by branching to communicate with the first water guide tube 1311 , the second water guide tube 1312 and the third water guide tube 1313 independently. That is, the first water guide tube 1311 communicates with the first water guide path 1321 , the second water guide tube 1312 communicates with the second water guide path 1322 , and the third water guide tube 1313 communicates with the third water guide path 1323 . [2-1-4. Lotion box, first water guide path, second water guide path]

As shown in FIGS. 19 and 22 to 25 , the first water guide path 1321 and the second water guide path 1322 are configured to guide the water supplied from the first water guide tube 1311 and the second water guide tube 1312 to the lotion box flow path portion 1330, to fill the lower lotion box 1400 with water.

As described above, the powder lotion manual injection part 1410 , the liquid lotion manual injection part 1420 , and the softener manual injection part 1430 are provided inside the lotion box 1400 , and are configured to allow the user to inject various agents.

The first water guide path 1321 is provided with a water injection port 1331 for powder lotion and a water injection port 1332 for liquid lotion. The aforementioned water injection port 1331 for powder lotion is formed to communicate up and down above the powder lotion manual input portion 1410. The aforementioned The water injection port 1332 for liquid lotion is formed to communicate up and down above the liquid lotion manual injection part 1420 . The softener water injection port 1334 is provided in the second water guide path 1322 , and the softener water injection port 1334 is formed so as to communicate up and down above the softener manual injection part 1430 .

The powder lotion manual input part 1410, the liquid lotion manual input part 1420, and the softener manual input part 1430 are respectively provided with discharge ports (not shown), which discharge the liquid accumulated inside to the lower part. The liquid discharged from the discharge port falls toward the lower part 1370 of the flow path. The lower part 1370 of the flow path is configured as a discharge part, and discharges the liquid to the washing tank 1500 . [2-1-5. Lotion tank, automatic injection device, third water guide path]

FIG. 27 is an L-L cross-sectional view of the water supply unit 1300 and its surroundings shown in FIG. 23 . FIG. 28 is a J-J cross-sectional view of the water supply unit 1300 shown in FIG. 23 and its surroundings. FIG. 29 is a G-G sectional view of the water supply unit 1300 shown in FIG. 23 and its surroundings. FIG. 30 is a K-K sectional view of the water supply unit 1300 and its surroundings shown in FIG. 23 . FIG. 31 is an external front view showing the configuration of the water supply unit 1300 and the state in which the lotion box 1400, the lotion tank 1450, and the softener tank 1460 are detached.

As shown in FIGS. 22 and 26 to 31 , the third water guide path 1323 is formed along the back surface of the water supply unit housing portion 1320 to cover a substantially horizontal direction, and the washing path water guide port 1324 is opened on the back side. The cleaning path water guide port 1324 is connected to the internal path 1325 of the automatic injection device, which will be described later, so that the third water guide path 1323 and the liquid agent automatic injection device 1301 are communicated. The liquid reagent automatic injection device 1301 is arranged on the back side of the tank accommodating portion 1360 . And the liquid agent automatic injection device 1301 is connected to the lotion tank 1450 and the softener tank 1460 accommodated in the tank accommodating part 1360 so that it may mention later.

As shown in FIG. 25 , a lotion tank insertion port 1302 is provided on the back side of the lotion tank 1450, and a lotion tank check valve (not shown) is provided inside the lotion tank insertion port 1302 and is opened by being pushed in. icon). Similarly, on the back side of the softener tank 1460, a softener tank insertion port 1303 and a softener tank check valve (not shown) opened by being pushed in are provided. The lotion tank 1450 is configured such that, in the state of being installed in the tank accommodating portion 1360, the lotion automatic injection insertion port 1452 described later is inserted into the lotion tank insertion port 1302, and the lotion tank check valve is opened so that liquid can be supplied. lotion. Similarly, when the softener tank 1460 is installed in the tank accommodating portion 1360, the softener automatic injection insertion port 1462, which will be described later, is inserted into the softener tank insertion port 1303, and the softener tank check valve is opened to prevent Softener available.

A connection part 1360a for automatic detergent injection and a connection part 1360b for automatic softener injection are provided on the inner back surface of the tank accommodating part 1360 . The connection part 1360a for automatic lotion injection and the connection part 1360b for automatic softener injection are comprised so that the automatic detergent injection insertion port 1452 and the automatic softener injection insertion port 1462 of the liquid agent injection device 1301 may be surrounded.

The liquid agent automatic injection device 1301 includes: an automatic lotion injection insertion port 1452 , a softener automatic injection insertion port 1462 , a three-way valve 1380 , a pump unit 1390 and a path 1325 in the automatic injection device. Three-way valve 1380 switches the paths of liquid lotion, softener, and water. The pump unit 1390 sucks and discharges the liquid. The path 1325 in the automatic feeding device connects the three-way valve 1380 and the pump unit 1390 .

As shown in FIG. 25 , the automatic lotion injection insertion port 1452 and the automatic softener injection insertion port 1462 are formed to protrude forward. In the state where the lotion tank 1450 and the softener tank 1460 are accommodated in the tank accommodating portion 1360 , the lotion automatic injection insertion port 1452 is connected to the lotion tank 1450 , and the softener automatic injection insertion port 1462 is connected to the softener tank 1460 .

The three-way valve 1380 includes a detergent three-way valve 1381 and a softener three-way valve 1382 each of which can be independently controlled to open and close. The lotion three-way valve 1381 is arranged so as to communicate with the lotion automatic injection insertion port 1452 . Moreover, the softener three-way valve 1382 is arranged so as to communicate with the softener automatic injection insertion port 1462 . As shown in FIG. 29 , the downstream side of the three-way valve 1380 is connected to the pump unit 1390 through the path 1325 in the automatic injection device. In this way, the three-way valve 1380 is connected to the automatic injection device internal path 1325 , the lotion automatic injection insertion port 1452 , the softener automatic injection insertion port 1462 , and the pump unit 1390 . The washing machine 1100 can control the flow of lotion, softener and water by opening and closing the detergent three-way valve 1381 and the softener three-way valve 1382 .

The pump unit 1390 includes an in-pump flow path 1391 , a cylinder 1397 and a piston 1395 . The in-pump flow path 1391 is provided between the pump unit inlet 1392a and the pump unit outlet 1392b. The cylinder 397 is provided in the middle of the flow path 1391 in the pump. The piston 1395 is moved up and down by the rotational driving force of a motor (not shown).

An inlet check valve 393 is provided at the pump unit inlet 1392a, and an outlet check valve 1394 is provided at the pump unit outlet 1392b.

The inlet check valve 1393 is configured to be opened by the negative pressure action of the piston 1395 , and the outlet check valve 1394 is configured to be opened by the positive pressure action of the piston 1395 .

The path 1325 in the automatic injection device is connected to the lower part 1370 of the flow path through the outflow port 1326 of the washing path at the downstream of the pump unit 1390 . [2-2. Action]

The operation|movement of the washing machine 1100 comprised as mentioned above is demonstrated below. [2-2-1. Flow of water during washing operation when automatic activation function is used]

In FIGS. 22 and 24 , and FIGS. 26 to 31 , the flow of water supplied from the first water guide tube 1311 is defined as X1 , the flow of water supplied from the second water guide tube 1312 is defined as Y1 , and the flow of water supplied from the third water guide tube 1312 is defined as Y1 . The flow of the water supplied from the water guide tube 1313 is defined as Z1.

FIG. 32 is a time chart of the washing machine 1100 during the washing operation. As shown in FIG. 32 , at the start of the washing step, the liquid agent automatic injection device 1301 is driven to perform automatic injection of the lotion. Specifically, first, in a state where the third water guide tube 1313 is closed, the detergent three-way valve 1381 , which is a part of the three-way valve 1380 , is opened to communicate the route of the detergent tank 1450 and the pump unit 1390 . The pump unit 1390 rotates the motor 1396 to move the piston 1395 up and down, sucks the liquid lotion from the pump unit inlet 1392a, and discharges it from the pump unit outlet 1392b. The discharged lotion reaches the lower part 1370 of the flow path.

While the piston 1395 is driven, the first water guide tube 1311 is opened, and the water supply to the first water guide path 1321 is started. As shown by the water flow X1, the water introduced into the first water guide path 1321 is poured into the powder lotion manual injecting portion 1410, the liquid lotion water injection port 1331, the liquid lotion water injection port 1332, and the tank pump water injection port 1333. The lotion manual injection part 1420 and the tank pump 1314 are provided. The water poured into the powder lotion manual injection part 1410 and the liquid lotion manual injection part 1420 flows down toward the lower part of the flow path 1370 through the discharge port, and the liquid lotion in the lower part of the flow path 1370 is dissolved and put into the washing tank 1500 . The water supply to the first water guide path 1321 is continued until the later-described path cleaning starts. Thereby, the water supply to the washing tub 1500 can be performed while the automatic injection of the lotion is performed, so that the time required for the water supply operation in the initial stage of the washing step can be shortened. In addition, the water supply to the first water guide path 1321 may be performed intermittently.

The suction and discharge of the liquid medicine by the pump unit 1390 are performed intermittently. While the driving of the piston 1395 is stopped, the detergent dispensing operation is performed.

When the lotion sending operation starts, the lotion three-way valve 1381 is closed, the path between the lotion tank 1450 and the pump unit 1390 is blocked, and the path from the third water guide tube 1313 to the liquid agent automatic injection device 1301 is connected. Next, the third water guide tube 1313 of the water supply valve 1310 is opened. As shown by the water flow Z1, the water introduced from the third water guide tube 1313 passes through the third water guide path 1323 and through the washing path water guide port 1324 to reach the automatic injection device internal path 1325, and then passes through the pump internal flow path 1391. In this way, in the lotion sending operation, water is supplied to the three-way valve 1380 and the pump unit 1390 , and the lotion remaining in the three-way valve 1380 and the pump unit 1390 is sent to the lower part 1370 of the flow path.

As shown in FIG. 32, the driving of the piston 1395 and the operation of dispensing the lotion are performed alternately. Thereby, the washing machine 1100 can dilute the lotion at a dilution concentration within a predetermined range, and supply the diluted lotion liquid to the laundry in the washing tub 1500 .

As shown in FIG. 32 , after the driving of the piston 1395 and the dispensing of the lotion have been carried out for a predetermined number of times, the separate water supply by the first water guide tube 1311 is carried out. In the separate water supply, the detergent three-way valve 1381 is closed, and the third water guide tube 1313 is closed. The water introduced into the first water guide path 1321 flows down toward the lower part 1370 of the flow path through the discharge port of the lotion box 1400 , and is put into the washing tub 1500 . When the predetermined water supply ends, the first water guide tube 1311 is closed. In addition, in Embodiment 2, as described later, after the third water guide tube 1313 is opened, the first water guide tube 1311 is closed.

Next, route cleaning is performed. In the route cleaning, the third water guide tube 1313 alone is supplied with water. Thereby, the water introduced from the water supply valve 1310 is not divided into the first water guide path 1321 and the third water guide path 1323 , but is only supplied to the third water guide path 1323 . Therefore, the amount of water passing through the third water guide path 1323 during the path washing is larger than the amount of water passing through the third water guide path 1323 during the detergent dispensing operation. The water that has passed through the path 1325 in the automatic injection device flows down toward the lower part 1370 of the flow path through the outflow port 1326 of the washing path, and is injected into the washing tank 1500 from the lower part 1370 of the flow path.

The path cleaning surely washes away the lotion remaining in the liquid agent automatic injection device 1301 and the lower part 1370 of the flow path, and sends it to the washing tank 1500 . Thereby, it is possible to suppress the mixing of the residual lotion with the softener put in in the final washing step, and to suppress the precipitation of foreign matter generated when the lotion and the softener are mixed. In addition, even when foreign matter is present, the path cleaning can remove foreign matter by strong water flow.

In the final cleaning step, the softener three-way valve 1382 , which is a part of the three-way valve 1380 , is opened to communicate the path between the softener tank 1460 and the pump unit 1390 . The pump unit 1390 rotates the motor to move the piston 1395 up and down, sucks an appropriate amount of softener from the pump unit inlet 1392a, and discharges it from the pump unit outlet 1392b. The softener discharged from the pump unit outlet 1392b reaches the lower part 1370 of the flow path.

Before or during the driving of the piston 1395, the second water guide tube 1312 is opened, and the water supply to the second water guide path 1322 is started. As shown by the water flow Y1, the water introduced into the second water guide path 1322 is injected into the softener manual injection part 1430 through the softener water injection port 1334, and flows down from the discharge port of the softener manual injection part 1430 toward the lower part 1370 of the flow path, The softening agent accumulated in the lower part 1370 of the flow path is dissolved and put into the washing tank 1500 .

Next, the softener three-way valve 1382 is closed, the path between the softener tank 1460 and the pump unit 1390 is blocked, and the path from the third water guide tube 1313 to the liquid agent automatic injection device 1301 is communicated. After that, the third water guide tube 1313 is opened, and the route cleaning of the three-way valve 1380 and the softening agent in the pump unit 1390 is performed. By this route washing, the residual softener is prevented from being mixed with the lotion to be charged in the next washing operation, and the precipitation of foreign matter generated when the lotion and the softener are mixed is suppressed. [2-2-2. Load reduction action]

The water guide path is divided into a first water guide path 1321 opened and closed by the first water guide tube 1311 , a second water guide path 1322 opened and closed by the second water guide tube 1312 , and a third water guide path opened and closed by the third water guide tube 1313 1323. Therefore, when one or more on-off valves are opened from a state where the on-off valves of the water supply valve 1310 are all closed, a large water pressure is temporarily applied to the opened on-off valves, and a large load is applied to the opened on-off valves. The water guide path where the open on-off valve is located.

The washing machine 1100 in Embodiment 2 performs a load reduction operation|movement in order to reduce the load of the 3rd water guide path 1323 and the liquid agent automatic injection apparatus 1301 which generate|occur|produce with opening and closing of the 3rd water guide tube 1313.

As shown in FIG. 32 , in the lotion sending operation, the control unit 1900 drives the third water guide tube 1313 to open in a state where the first water guide tube 1311 is opened. By opening the first water guide tube 1311 in advance, it is possible to suppress the situation that a large load is applied to the third water guide path 1323 . Thereby, it is possible to suppress a situation where a large load is applied to the automatic injection device internal path 1325 also for the liquid agent automatic injection device 1301 communicating with the third water guide path 1323 . Therefore, it is possible to suppress the occurrence of water leakage or malfunction due to damage to the components of the automatic liquid agent injection device 1301 .

In addition, the control unit 1900 closes the third water guide tube 1313 after a predetermined time has elapsed while maintaining the first water guide tube 1311 in the open state. This can prevent the water polluted in the third water guide path 1323 or the automatic injection device internal path 1325 from flowing back to the water supply port 1200 due to the negative pressure temporarily generated when the third water guide tube 1313 is blocked.

During route cleaning, the control unit 1900 closes the first water guide tube 1311 after the third water guide tube 1313 is opened and a predetermined time elapses. Thereby, in the washing path, it is possible to suppress a situation where a large load is applied to the third water guide path 1323 and the path 1325 in the automatic injection device.

In addition, during route cleaning, the control unit 1900 closes the third water guide tube 1313 after the first water guide tube 1311 is opened and a predetermined time elapses. In this way, when the third water guide tube 1313 is blocked, the reverse flow of water to the water supply port 1200 due to the temporarily generated negative pressure can be suppressed, so that the water contaminated in the liquid medicine automatic injection device 1301 can be suppressed from flowing into the water supply port 1200 of clean water. [2-3. Function, etc.]

As described above, the washing machine 1100 in Embodiment 2 includes the casing 1600 , the washing tub 1500 , the water guide, the lotion tank 1450 , the softener tank 1460 , the liquid agent automatic injection device 1301 , and the control unit 1900 . The washing tub 1500 is provided inside the casing 1600 and accommodates laundry. The water guide path supplies the water introduced from the water supply valve 1310 to the washing tub 1500 . The lotion tank 1450 and the softener tank 1460 are examples of liquid agent tanks in the present disclosure, and store liquid agents inside. The liquid agent automatic injection device 1301 injects the liquid agent stored in the lotion tank 1450 and the softener tank 1460 into the washing tank 1500 . The control unit 1900 controls the water supply valve 1310 and the liquid agent automatic injection device 1301 . have. The water guide path includes: the third waterway and the fourth waterway. The third water path is the first water guide path 1321 and the second water guide path 1322 for supplying water to the washing tub 1500 without passing the liquid agent automatic injection device 1301 . The fourth water path is a third water guide path 1323 for supplying water to the washing tub 1500 by the liquid agent automatic injection device 1301 . The water supply valve 1310 includes a third valve and a fourth valve. The third valve is the first water guide tube 1311 that supplies water to the first water guide path 1321 or the second water guide tube 1312 that supplies water to the second water guide path 1322 . The fourth valve is the third water guide tube 1313 for supplying water to the third water guide path 1323 . The control unit 1900 opens and drives the third water guide tube 1313 after the first water guide tube 1311 is opened and driven and a predetermined time has elapsed.

Thereby, by opening the first water guide tube 1311 in advance, when the third water guide tube 1313 is opened, it can be suppressed that a large load is applied to the third water guide path 1323 .

Therefore, it is possible to suppress the occurrence of inconveniences associated with the water supply to the liquid medicine automatic injection device 1301 .

Like the washing machine 1100 of the second embodiment, the control unit 1900 may close the first water guide tube 1311 after the third water guide tube 1313 is opened and a predetermined time has elapsed.

Like the washing machine 1100 of the second embodiment, the control unit 1900 may close the third water guide tube 1313 after the first water guide tube 1311 is opened and driven and a predetermined time has elapsed. (Variation of Embodiment 2)

As described above, Embodiment 2 has been described as an example of the technology in the present disclosure. However, the techniques in the present disclosure are not limited thereto.

Then, the modification of Embodiment 2 is illustrated below.

In Embodiment 2, as an example of the washing machine in the present disclosure, a washing machine 1100 that is an upright type washing machine has been described. The washing machine in the present disclosure is not limited to a vertical washing machine, and may be a drum-type washing machine or a double-tank washing machine.

In Embodiment 2, the first water guide tube 1311 was described as an example of the third valve in the present disclosure. The third valve in the present disclosure is not limited to the first water guide tube 1311 as long as it is a valve that opens and closes the third water passage that supplies water to the washing tub without passing through the liquid agent automatic injection device. The third valve in the present disclosure may be the second water guiding tube 1312 alone, or may include both the first water guiding tube 1311 and the second water guiding tube 1312 . (Embodiment 3)

The present disclosure is related to a washing machine.

Patent Document 1 discloses a washing machine provided with an automatic liquid agent injection device.

The washing machine of Patent Document 1 includes: a liquid agent tank for accommodating liquid agent; a liquid agent automatic injection device for automatically supplying the liquid agent in the liquid agent tank into the washing tub; and a water supply valve for automatically injecting the liquid agent with the liquid agent through a water channel The device is connected. In the washing machine, after the automatic liquid agent injection device is driven to supply the liquid agent into the washing tub, the water supply valve is opened to supply water into the liquid agent automatic injection device.

The present disclosure provides a washing machine which improves the supply performance of the lotion solution when the automatic feeding device is used.

The washing machine in the present disclosure includes a casing, a washing tub, a water guide, a liquid agent tank, an automatic liquid agent injection device, and a control unit. The washing tub is provided inside the casing and accommodates laundry. The water guide path supplies the water introduced from the water supply valve to the washing tub. The liquid agent tank stores liquid agent inside. The liquid agent automatic feeding device injects the liquid agent stored in the liquid agent tank to the washing tank. The water guiding path includes a fifth water channel, a sixth water channel and a confluence water channel. The fifth water passage supplies water to the washing tub without passing through the liquid agent automatic injection device. The sixth water path supplies water to the washing tub by the liquid agent automatic injection device. The confluence waterway is for the confluence of the fifth waterway and the sixth waterway. The control unit drives the water supply valve to supply water to the fifth water passage, and drives the automatic liquid agent injection device to inject the liquid agent into the washing tub.

The washing machine of the present disclosure improves the supply performance of the lotion liquid when the automatic charging device is used.

Hereinafter, embodiments will be described in detail with reference to the drawings. In addition, the attached drawings and the following descriptions 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 scope of the application.

Hereinafter, the washing machine 2100 in Embodiment 3 will be described with reference to FIGS. 33 to 55 . [3-1. Composition] [3-1-1. Configuration of washing machine]

33 is an external perspective view showing the configuration of the washing machine 2100 in Embodiment 3 with the lid 2700 closed, and FIG. 34 is an external perspective view showing the configuration of the washing machine 2100 with the lid 2700 opened. In Embodiment 3, as shown in FIGS. 33 and 34 , the vertical direction in the state in which the washing machine 2100 is installed may be described as the vertical direction. Moreover, in Embodiment 3, the side where the operation part 2800 of the washing machine 2100 in FIG. 33 and FIG. 34 exists may be described as a rear surface, and the opposite side may be described as a front surface. That is, the user generally puts laundry such as clothes into the washing machine 2100 from the front side of the washing machine 2100 and performs various operations for operating the washing machine 2100 . In addition, the laundry in the present disclosure is not limited to clothes, but refers to cloth or leather products such as bedding, curtains, carpets, shoes, etc., and other items that can be washed in various known washing machines.

As shown in FIGS. 33 and 34 , the washing machine 2100 includes a casing 2600 , a cover 2700 , an operation unit 2800 , and a control unit 2900 . The washing machine 2100 is a so-called upright washing machine, and in the installed state, the laundry can be put into the interior from the upper surface side of the casing 2600 . The casing 2600 includes a lower casing 2610 and an upper casing 2620 . The washing tub 2500 is accommodated in the lower case 2610 . The washing tub 2500 is a cylindrical body with an upper opening, and can accommodate laundry to perform a washing operation of washing the laundry. That is, the washing tub 2500 is provided inside the housing 2600 and accommodates laundry. The washing operation may be an operation performed by the sink of various known washing machines. The principle of Embodiment 3 is not limited to the specific washing operation performed by the washing tub 2500 .

The upper case 2620 is disposed above the lower case 2610, and the upper case 2620 is formed with a laundry inlet 2621 that communicates with the washing tub 2500. The cover body 2700 is attached to the rear of the upper case 2620, and covers the input port 2621 in an openable and closable manner. When the user rotates the cover 2700 upward, the washing tub 2500 is exposed through the input port 2621 . The user can put the laundry into the washing tub 2500 from the input port 2621 .

The operation part 2800 is arrange|positioned at the rear part of the upper case 2620 and the position which becomes the rear of the input port 2621. The user can operate the operation part 2800 to set various operations of the washing tub 2500 .

A water supply port 2200 is provided at the rear of the operation unit 2800, and a water supply hose 2210 is connected to the water supply port 2200 to introduce tap water from the faucet.

The control unit 2900 is provided in the casing 2600 . The control part 2900 controls the operation|movement of the whole washing machine 2100 according to the operation of the operation part 2800 by a user. For example, the control unit 2900 controls the water supply valve 2310 (see FIG. 35 ) and the liquid medicine automatic injection device 2301 (see FIG. 35 ). The control unit 2900 has a computer system having a processor and a memory. Furthermore, by causing the processor to execute the program stored in the memory, the computer system functions as a control device. Although the program executed by the processor is set to be pre-recorded in the memory of the computer system, it can also be provided in a non-temporary recording medium such as a memory card, or via a telecommunication line such as the Internet. .

As shown in FIG. 34, the lotion tank 2450, the softener tank 2460, and the lotion case 2400 are arrange|positioned so that the front surface may become flush in the state accommodated in the water supply unit 2300.

FIG. 35 is an external perspective view showing the configuration of the water supply unit 2300 and its surroundings, and the lotion box 2400, the lotion tank 2450, and the softener tank 2460 are pulled out. As shown in FIG. 35, the lotion tank 2450 and the softener tank 2460 are comprised so that a liquid agent can be stored, and the quantity of a liquid agent is an amount which can perform a plurality of operations. Specifically, the lotion tank 2450 stores liquid lotion, and the softener tank 2460 stores softener. That is, the lotion tank 2450 and the softener tank 2460 are an example of the liquid agent tank in this disclosure which stores liquid agent inside. The lotion tank 2450 is formed with a lotion tank injection part 2451 for injecting the stored liquid lotion, and the softener tank 2460 is formed with a softener tank injection part 2461 for injecting the stored softener. The lotion tank injection part 2451 and the softener tank injection part 2461 are opened on the upper surface so that the liquid agent can be injected.

Moreover, the lotion tank residual amount scale 2450a is provided in the lotion tank 2450, and the softener tank residual amount scale 2460a is provided in the softener tank 2460. Each of the lotion tank remaining amount scale 2450a and the softener tank remaining amount scale 2460a is made of a transparent material, allowing the user to visually confirm the remaining amount of the liquid agent.

On the other hand, the lotion box 2400 is used to allow the user to put in an amount of the agent required for one operation. The lotion box 2400 is provided with a powder lotion manual injection part 2410 for injecting powder lotion, a liquid lotion manual injection part 2420 for injecting liquid lotion, and a softener manual injection part 2430 for injecting softener.

The lid body 2700 is partially transparent. In this way, even in the state where the cover body 2700 is closed, the user can still visually confirm the remaining amount scale 2450a of the lotion tank and the remaining amount scale 2460a of the softener tank to confirm the liquid stored in the lotion tank 2450 and the softener tank 2460. remaining amount of the agent. [3-1-2. Water supply unit]

FIG. 36 is a rear view showing the structure of the water supply unit 2300 and its surroundings, and FIG. 37 is an exploded perspective view showing the structure of the water supply unit 2300 and its surroundings. As shown in FIG. 37 , the water supply unit 2300 is mainly composed of a water supply unit case portion 2320, a flow path cover portion 2340, and a flow path lower portion 2370. The water supply unit case portion 2320 is formed in a substantially box shape, and the flow path cover is formed. The portion 2340 covers the upper surface of the water supply unit case portion 2320 , and the aforementioned flow path lower portion 2370 is attached to the lower bottom portion of the water supply unit case portion 2320 .

As shown in FIGS. 35 and 36 , when viewed from the back of the water supply unit housing portion 2320 , a water supply valve 2310 is attached to the left portion, and the water supply valve 2310 is openable and closable to allow the water introduced from the water supply port 2200 to pass therethrough. In a state where the water supply valve 2310 is opened, the water introduced from the water supply valve 2310 is introduced into the water supply unit case portion 2320 .

A tank pump 2314 is disposed in the center of the rear surface of the water supply unit case portion 2320, and the tank pump 2314 sucks water from the outside of the washing machine 2100 through a hose (not shown). The tank pump 2314 is fixed to the flow path cover 2340 by screwing, and is directly connected to the first water guide path 2321 described later through the tank pump water injection port 2333 . The tank pump 2314 can start suction and discharge operations by supplying water from the first water guide path 2321 .

As shown in FIGS. 37 and 38 , the water supply unit case portion 2320 is formed in a substantially box shape opened in the front. The water supply unit housing part 2320 has a lotion tank accommodating part 2360, a softener tank accommodating part 2365, and a lotion box accommodating part 2350 as an inner space. The lotion tank accommodating part 2360 accommodates the lotion tank 2450 so that it can be pulled out independently; the softener tank accommodating part 2365 accommodates the softener tank 2460 so that it can be pulled out independently; The cassette 2400 is accommodated so as to be independently pullable.

The lotion box flow path portion 2330 is disposed as an upper surface of the lotion box accommodating portion 2350, and a first water guide path 2321 and a second water guide path 2322 to be described later are formed in the lotion box flow path portion 2330.

As shown in FIGS. 35 and 36 , when viewed from the back of the water supply unit case portion 2320 , the liquid medicine automatic injection device 2301 is attached to the right portion. The liquid agent automatic injection device 2301 injects the liquid agent stored in the lotion tank 2450 and the softener tank 2460 into the washing tank 2500 . The liquid reagent automatic injection device 2301 will be described later. [3-1-3. Water guide path]

As shown in FIGS. 36 and 37 , the water supply valve 2310 includes three on-off valves of the first water guide tube 2311 , the second water guide tube 2312 and the third water guide tube 2313 , and is configured to open and close each on-off valve independently.

FIG. 38 is a plan view showing the configuration of the water supply unit 2300 and its periphery from which the flow path cover 2340 has been removed. 39 is a plan view showing a cross-section of the water supply unit 2300 and its periphery with the flow path cover 2340 removed in a state in which the lotion box 2400, the lotion tank 2450, and the softener tank 2460 are detached. FIG. 40 is an S-S sectional view of the water supply unit 2300 and its surroundings shown in FIG. 39 . 41 is a plan view showing the configuration of the water supply unit 2300 and its periphery with the flow path cover 2340 removed in a state in which the lotion box 2400, the lotion tank 2450, and the softener tank 2460 are pulled out. FIG. 42 is an O-O sectional view of the water supply unit 2300 shown in FIG. 39 and its surroundings.

As shown in FIGS. 38 to 42 , the water supply unit housing portion 2320 is formed with a first water guide path 2321 , a second water guide path 2322 and a third water guide path 2323 , and the supply of these water guide paths to the washing tub 2500 is introduced from the water supply valve 2310 of water. That is, the lower part 2370 of the flow path is disposed below the first water guide path 2321 and the second water guide path 2322 . The water supply valve 2310 is directly connected to the first water guide path 2321 , the second water guide path 2322 and the third water guide path 2323 . The first water guide path 2321 , the second water guide path 2322 and the third water guide path 2323 are formed by branching to communicate with the first water guide tube 2311 , the second water guide tube 2312 and the third water guide tube 2313 independently. That is, the first water guide tube 2311 communicates with the first water guide path 2321 , the second water guide tube 2312 communicates with the second water guide path 2322 , and the third water guide tube 2313 communicates with the third water guide path 2323 . [3-1-4. Lotion box, first water guide path, second water guide path]

As shown in FIGS. 35 and 38 to 41 , the first water guide path 2321 and the second water guide path 2322 are configured to guide the water supplied from the first water guide tube 2311 and the second water guide tube 2312 to the lotion box flow path portion 2330, to fill the lower lotion box 2400 with water.

As described above, the powder lotion manual injection part 2410, the liquid lotion manual injection part 2420, and the softener manual injection part 2430 are provided inside the lotion box 2400, and are configured to allow the user to inject various agents.

The first water guide path 2321 is provided with a water injection port 2331 for powder lotion and a water injection port 2332 for liquid lotion. The aforementioned water injection port 2331 for powder lotion is formed to communicate up and down above the powder lotion manual input portion 2410. The aforementioned The water injection port 2332 for liquid lotion is formed to communicate up and down above the liquid lotion manual injection part 2420 . The softener water injection port 2334 is provided in the second water guide path 2322 , and the softener water injection port 2334 is formed so as to communicate up and down above the softener manual injection part 2430 .

The powder lotion manual input part 2410, the liquid lotion manual input part 2420, and the softener manual input part 2430 are respectively provided with discharge ports (not shown), which discharge the liquid accumulated inside to the lower part. The liquid discharged from the discharge port is discharged toward the lower part 2370 of the flow path.

As shown in FIG. 38 , the first water guide path 2321 is provided with a water injection port 2335 for generating foam. The water injection port 2335 for foam generation is arranged behind the lotion box 2400 accommodated in the lotion box accommodating portion 2350 . Thereby, the water poured downward from the lotion box accommodating portion 2350 does not pass through the lotion box 2400 but falls to the lower part 2370 of the flow path. In addition, the water injection port 2335 for foam generation may be provided in the second water guiding path 2322, and may also be provided in the first water guiding path 2321 and the second water guiding path 2322. [3-1-5. Automatic input device, third water guide path]

FIG. 43 is an R-R cross-sectional view of the water supply unit 2300 shown in FIG. 39 and its surroundings. FIG. 44 is a P-P sectional view of the water supply unit 2300 and its surroundings shown in FIG. 39 . FIG. 45 is an N-N sectional view of the water supply unit 2300 shown in FIG. 39 and its surroundings. FIG. 46 is a Q-Q cross-sectional view of the water supply unit 2300 shown in FIG. 39 and its surroundings. FIG. 47 is an external front view showing the configuration of the water supply unit 2300 and the state in which the lotion box 2400, the lotion tank 2450, and the softener tank 2460 are detached.

As shown in FIGS. 38 and 42 to 47 , the third water guide path 2323 is formed along the rear surface of the water supply unit housing portion 2320 to cover a substantially horizontal direction, and the washing path water guide port 2324 is opened on the back side. The cleaning path water guide port 2324 is connected to the internal path 2325 of the automatic injection device, which will be described later, so that the third water guide path 2323 and the liquid agent automatic injection device 2301 are communicated. The liquid agent automatic injection device 2301 is arranged on the back side of the lotion tank accommodating part 2360 and the softener tank accommodating part 2365 . The liquid agent automatic feeding device 2301 is connected to each of the lotion tank 2450 and the softener tank 2460 which are accommodated in the lotion tank accommodating part 2360 and the softener tank accommodating part 2365, as described later.

As shown in FIG. 41 , a lotion tank insertion port 2302 is provided on the back side of the lotion tank 2450, and a lotion tank check valve is provided in the interior of the lotion tank insertion port 2302 to be opened by being pushed in. Similarly, on the back side of the softener tank 2460, a softener tank side 2303 and a softener tank check valve opened by being pushed are provided. The lotion tank 2450 is configured such that in the state of being installed in the lotion tank accommodating portion 2360, the lotion automatic injection insertion port 2452 described later is inserted into the lotion tank insertion port 2302, and the lotion tank check valve is opened and can be opened. Supply liquid lotion. Similarly, when the softener tank 2460 is installed in the softener tank accommodating portion 2365, the softener automatic injection insertion port 2462, which will be described later, is inserted into the softener tank insertion port 2303, and the softener tank check valve is Open to supply softener.

A connection part 2360a for automatic lotion injection and a connection part 2365a for automatic injection of softener are respectively provided on the inner back of the lotion tank accommodating part 2360 and the softener tank accommodating part 2365. The connection part 2360a for automatic detergent injection and the connection part 2365a for automatic detergent injection are comprised so that the automatic detergent injection insertion port 2452 and the automatic softener injection insertion port 2462 of the liquid agent injection device 2301 may be surrounded.

The liquid agent automatic injection device 2301 includes: an automatic lotion injection insertion port 2452, an automatic softener injection insertion port 2462, a three-way valve 2380, a pump unit 2390, and a path 2325 in the automatic injection device. Three-way valve 2380 switches the paths of liquid lotion, softener, and water. The pump unit 2390 sucks and discharges the liquid medicine. The path 2325 in the automatic injection device connects the three-way valve 2380 and the pump unit 2390 .

As shown in FIG. 41 , the automatic lotion injection insertion port 2452 and the automatic softener injection insertion port 2462 are formed to protrude forward. In the state where the lotion tank 2450 is accommodated in the lotion tank accommodating part 2360 and the softener tank 2460 is accommodated in the softener tank accommodating part 2365, the lotion automatic injection insertion port 2452 is connected to the lotion tank 2450, and the softener automatically The insertion port 2462 is connected to the softener tank 2460 .

The three-way valve 2380 includes a detergent three-way valve 2381 and a softener three-way valve 2382 each of which can be independently controlled to open and close. The detergent three-way valve 2381 is arranged to communicate with the cleaning path water guide port 2324 , the detergent automatic injection insertion port 2452 , and the softener three-way valve 2382 . The softener three-way valve 2382 is arranged to communicate with the lotion three-way valve 2381 , the softener automatic injection insertion port 2462 and the inner path 2325 of the automatic injection device. The downstream side of the three-way valve 2380 is connected to the pump unit 2390 through the path 2325 in the automatic injection device. In this way, the three-way valve 2380 is connected to the automatic injection device internal path 2325 , the lotion automatic injection insertion port 2452 , the softener automatic injection insertion port 2462 , and the pump unit 2390 . The washing machine 2100 can control the flow of detergent, softener and water by opening and closing the detergent three-way valve 2381 and the softener three-way valve 2382.

The pump unit 2390 includes an in-pump flow path 2391 , a cylinder 2397 and a piston 2395 . The in-pump flow path 2391 is provided between the pump unit inlet 2392a and the pump unit outlet 2392b. The cylinder 2397 is provided in the middle of the flow path 2391 in the pump. The piston 2395 is moved up and down by the rotational driving force of a motor (not shown).

An inlet check valve 2393 is provided at the pump unit inlet 2392a, and an outlet check valve 2394 is provided at the pump unit outlet 2392b.

The inlet check valve 2393 is configured to be opened by the negative pressure action of the piston 2395 , and the outlet check valve 2394 is configured to be opened by the positive pressure action of the piston 2395 .

The path 2325 in the automatic injection device is connected to the lower part 2370 of the flow path through the outflow port 2326 of the washing path at the downstream of the pump unit 2390 . [3-1-6. Lotion tank, tank housing part]

Hereinafter, the detergent tank 2450 will be described as an example of the liquid agent tank. The softener tank 2460 has the same configuration as the lotion tank 2450 .

FIG. 48 is an external perspective view showing the configuration of the lotion tank 2450. FIG. As shown in FIG. 48 , the lotion tank 2450 includes: a lotion tank case 2456 formed in a substantially box shape;

The lotion tank injection part 2451 has an opening substantially in the center, and an injection inclined part 2464 is provided in the front part, the left and right side parts, and the rear part. The injection inclined portion 2464 is formed to be inclined downward toward the opening of the lotion tank injection portion 2451 , and guides the liquid agent to the lotion tank injection portion 2451 to flow down to the interior of the lotion tank case 2456 .

49A is a plan view illustrating a cross-section of the water supply unit 2300 and its periphery from which the flow path cover 2340 has been removed in a state where the lotion tank 2450 is accommodated. FIG. 49B is a plan view showing a cross-section of the water supply unit 2300 and its periphery from which the flow path cover 2340 has been removed in a state where the lotion tank 2450 has been pulled out. FIG. 50 is a T-T cross-sectional view of the water supply unit 2300 and its surroundings shown in FIG. 49A. FIG. 51 is a W-W sectional view of the water supply unit 2300 and its surroundings shown in FIG. 49B . FIG. 52 is a U-U sectional view of the water supply unit 2300 and its surroundings shown in FIG. 49A. FIG. 53 is a V-V sectional view of the water supply unit 2300 and its surroundings shown in FIG. 49B.

As shown in FIG. 50 , a lock lever 2454 is provided at the bottom of the lotion tank case 2456 . The lock lever 2454 is engaged with the lotion tank accommodating claw portion 2361 provided on the inner bottom surface of the lotion tank accommodating portion 2360 when the lotion tank 2450 is accommodated in the lotion tank accommodating portion 2360 . A lock lever grip portion 2454a is provided at the proximal end of the lock lever 2454 . The lock lever holding part 2454a is arranged in the vicinity of the lotion tank case holding part 2456a, which is formed by extending from the lower part of the front surface of the lotion tank case 2456a.

As shown in FIGS. 50 to 53 , a filter 2470 for filtering liquid is provided inside the back surface side of the lotion tank case 2456 . The filter 2470 is formed in a substantially rectangular shape so as to come into contact with the inner side wall of the lotion tank case 2456, and is provided to be inclined downward from the back to the front.

The spring mechanism 2455 is provided in the substantially center position of the lower back surface of the lotion tank case 2456 . The spring mechanism 2455 includes a spring 2455a disposed below the filter 2470 . The spring 2455a applies potential energy to the lotion tank case 2456 toward the front. A lotion tank accommodating portion abutting surface 2362 is provided behind the spring mechanism 2455 . The lotion tank accommodating portion contact surface 2362 is in contact with the spring mechanism 2455, and is made to stand still in a state where the spring 2455a is compressed. In addition, the lotion tank insertion port 2302 is arranged on the side of the spring mechanism 2455 .

The upper surface of the detergent tank accommodating portion 2360 is constituted by the flow path cover portion 2340 . The flow path cover portion 2340 functions as a cover, which covers the upper portion of the lotion tank injection portion 2451 and suppresses the mixing of foreign matter from the lotion tank injection portion 2451 .

As shown in FIGS. 50 and 51 , a stopper 2368 is provided at the front of the inner upper surface of the lotion tank accommodating portion 2360 . The stopper 2368 is configured to be able to engage with the groove protrusion 2457 provided on the upper surface of the lotion tank 2450 .

As shown in FIGS. 52 and 53 , a drop port 2364 that communicates with the flow path lower portion 2370 is formed on the inner bottom surface of the lotion tank accommodating portion 2360 . The drop port 2364 is arranged at a position below the lotion tank insertion port 2302 in a state where the lotion tank 2450 is accommodated in the lotion tank accommodating portion 2360 . The drop port 2364 allows the liquid lotion leaked from the lotion tank insertion port 2302 or the lotion automatic injection insertion port 2452 to flow down to the cleaning path 2319 .

A storage portion 2363 is provided on the inner bottom surface of the lotion tank accommodating portion 2360 . The storage portion 2363 is a recess that can store liquid, and is configured as a gap for separating the bottom surface of the lotion tank 2450 and the inner bottom surface of the lotion tank accommodating portion 2360 . [3-1-7. The lower part of the flow path]

FIG. 54 is a plan view showing the configuration of the lower part 2370 of the flow path. As shown in FIGS. 53 and 54 , the flow path lower part 2370 includes a first flow path lower part path 2372 , a washing path 2319 , a second flow path lower part path 2373 , and a flow path lower part discharge port 2371 . The first flow path lower path 2372 communicates with the cleaning path outflow port 2326 . The cleaning path 2319 is provided below the drop port 2364 . The second flow path lower path 2373 allows the liquid discharged from the lotion cartridge 2400 to pass therethrough.

The cleaning channel 2319 is provided with a cleaning channel inlet 2318 and a cleaning channel outlet 2374. The cleaning channel inlet 2318 introduces the liquid from the first flow channel lower channel 2372, and the cleaning channel outlet 2374 allows the liquid to flow out to the first flow channel lower channel. 2372. The cleaning path inlet 2318 is provided upstream of the drop point of the liquid dropped from the drop port 2364 , and the cleaning path outlet 2374 is provided downstream of the drop point of the liquid dropped from the drop port 2364 . Since the washing path inlet 2318 is configured to be smaller than the flow path cross-sectional area of the first flow path lower path 2372, the amount of water passing through the washing path 2319 becomes relatively small. Thereby, the washing machine 2100 can prevent the water passing through the washing path 2319 from overflowing upward from the drop port 2364 and entering the detergent tank accommodating portion 2360 .

A plurality of pins 2377 are provided on the downstream side of the first flow path lower portion path 2372 . The pin 2377 is formed to extend up and down at the position below the water injection port 2335 for foam generation. That is, the lower part 2370 of the flow path includes a plurality of pins 2377 formed to extend up and down at a position below the water injection port 2335 for foam generation. That is, the pin 2377 is arranged at a position where the liquid passing through the first flow path lower passage 2372 collides with the water injected from the water injection port 2335 for foam generation. Thereby, the foam generation part 2376 which generate|occur|produces foam in this state is formed.

The first flow path lower path 2372 communicates with the second flow path lower path 2373 in the confluence portion 2375 . The flow path lower discharge port 2371 is provided downstream of the confluence portion 2375, and is formed to open downward in order to drop the liquid into the washing tank 2500. [3-2. Action]

The operation of the washing machine 2100 configured as above will be described below. [3-2-1. Flow of water during washing operation when automatic activation function is used]

In FIGS. 38 , 40 , and 42 to 47 , the flow of water supplied from the first water guide tube 2311 is defined as X2 , the flow of water supplied from the second water guide tube 2312 is defined as Y2 , and the flow of water supplied from the third water guide tube 2312 is defined as Y2 . The flow of the water supplied from the water guide tube 2313 is defined as Z2.

FIG. 55 is a time chart of the washing machine 2100 during the washing operation. As shown in FIG. 55 , before the start of the washing operation, the automatic liquid detergent injection device 2301 is driven to perform automatic injection of the liquid detergent. Specifically, first, in a state where the third water guide tube 2313 is closed, the detergent three-way valve 2381 , which is a part of the three-way valve 2380 , is opened to communicate the route of the detergent tank 2450 and the pump unit 2390 . The pump unit 2390 rotates the motor to move the piston 2395 up and down, sucks an appropriate amount of liquid lotion from the pump unit inlet 2392a, and discharges it from the pump unit outlet 2392b. The discharged lotion reaches the lower part 2370 of the flow path.

Before, during or after the piston 2395 is driven, the first water guide tube 2311 is opened, and the water supply to the first water guide path 2321 is started. As shown by the water flow X2, the water introduced into the first water guide path 2321 is injected into the powder wash through the water injection port 2331 for powder lotion, the water injection port 2332 for liquid lotion, the water injection port 2333 for tank pump, and the water injection port 2335 for foam generation The agent manual injection part 2410, the liquid lotion manual injection part 2420, the tank pump 2314, and the pin 2377 are provided. The water poured into the powder lotion manual injection part 2410 and the liquid lotion manual injection part 2420 flows down the flow path lower part 2370 through the discharge port to dissolve the liquid lotion in the flow path lower part 2370 and put it into the washing tank 2500 . The water supply to the first water guide path 2321 is continued until the later-described path cleaning starts. Thereby, the water supply to the washing tub 2500 can be performed while the automatic injection of the lotion is performed, so that the time required for the water supply operation in the initial stage of the washing step can be shortened.

The suction and discharge of the liquid medicine by the pump unit 2390 are performed intermittently. While the driving of the piston 2395 is stopped, the detergent dispensing operation is performed.

When the lotion sending operation starts, the lotion three-way valve 2381 is closed, the path between the lotion tank 2450 and the pump unit 2390 is blocked, and the path from the third water guide tube 2313 to the liquid agent automatic injection device 2301 is communicated. Next, the third water guide tube 2313 of the water supply valve 2310 is opened. As shown by the water flow Z2, the water introduced from the third water guide tube 2313 passes through the third water guide path 2323 and through the washing path water guide port 2324 to reach the automatic injection device internal path 2325, and then passes through the pump internal flow path 2391. In this way, in the lotion sending operation, water is supplied to the three-way valve 2380 and the pump unit 2390, and the lotion remaining in the three-way valve 2380 and the pump unit 2390 is sent to the lower part 2370 of the flow path.

The driving of the piston 2395 and the dispensing of the lotion are performed interactively. In this way, the washing machine 2100 can generate, in the lower part 2370 of the flow path, the lotion liquid that has been diluted with a dilution concentration within a predetermined range.

The lotion liquid passing through the in-pump channel 2391 flows into the first channel lower channel 2372 through the cleaning channel outflow port 2326 . A part of the lotion liquid flowing into the lower passage 2372 of the first flow passage flows into the washing passage 2319 from the washing passage inlet 2318 . The lotion liquid flowing into the cleaning path 2319 washes away the liquid lotion adhering to the cleaning path 2319 , and passes through the cleaning path outlet 2374 to merge with the first flow path lower path 2372 . The lotion liquid passing through the lower passage 2372 of the first flow passage reaches the pin 2377 downstream of the outlet 2374 of the cleaning passage. Pin 2377 retains and diffuses the flow of lotion.

While the piston 2395 is driven and the lotion is sent out, the water supply by the first water guide tube 2311 is continued, and the water is poured from the water injection port 2335 for foam generation toward the pin 2377 of the foam generation part 2376 . The injected water collides with the lotion liquid around the pin 2377 to generate lotion foam. The generated lotion foam and lotion liquid merge with the second flow path lower passage 2373, and are put into the washing tank 2500 from the flow path lower discharge port 2371.

The driving of the piston 2395 and the dispensing of the lotion are performed interactively. Thereby, the washing machine 2100 can make the lotion liquid which has been diluted with the dilution concentration within a predetermined range to reach the pin 2377 continuously. Thereby, since the lotion liquid and the lotion foam are put into the washing tub 2500 over a long period of time, the lotion liquid and the lotion foam can be supplied to the laundry without any omission. In addition, since the lower portion 2370 of the flow path in the third embodiment is to inject the lotion solution produced by diluting the liquid lotion into the washing tub 2500, it is possible to prevent the stock solution of the liquid detergent from adhering to the clothes accommodated in the washing tub 2500. Therefore, it is possible to suppress damage to the clothes due to the adhesion of the stock solution of the liquid detergent.

The driving of the piston 2395 and the dispensing of the lotion are performed interactively. Thereby, the washing machine 2100 can dilute the lotion at a dilution concentration within a predetermined range, and supply the diluted lotion liquid to the laundry in the washing tub 2500 .

After the driving of the piston 2395 and the dispensing of the lotion have been carried out for a predetermined number of times, the separate water supply by the first water guide tube 2311 is carried out. In the separate water supply, the three-way valve 2381 of the lotion is closed, and the third water guide tube 2313 is closed. The water introduced into the first water guide path 2321 flows down toward the lower part 2370 of the flow path through the discharge port of the lotion box 2400 , and is put into the washing tub 2500 . When the predetermined water supply ends, the first water guide tube 2311 is closed. In addition, in Embodiment 3, as will be described later, after the third water guide tube 2313 is opened, the first water guide tube 2311 is closed.

Next, route cleaning is performed. In the path cleaning, the third water guide tube 2313 alone is supplied with water. Thereby, the water introduced from the water supply valve 2310 is not divided into the first water guide path 2321 and the third water guide path 2323, but is only supplied to the third water guide path 2323. Therefore, the amount of water that passes through the third water guide path 2323 during route washing is larger than the amount of water that passes through the third water guide path 2323 during the detergent dispensing operation. The water that has passed through the path 2325 in the automatic injection device flows down toward the lower part 2370 of the flow path through the outflow port 2326 of the washing path, and is injected into the washing tank 2500 from the lower part 2370 of the flow path.

The path cleaning reliably removes the lotion remaining in the liquid agent automatic injection device 2301 and the lower part 2370 of the flow path, and sends it to the washing tank 2500 . Thereby, it is possible to suppress the mixing of the residual lotion with the softener put in in the final washing step, and to suppress the precipitation of foreign matter generated when the lotion and the softener are mixed. In addition, even when foreign matter is present, the path cleaning can remove foreign matter by strong water flow.

In the final cleaning step, a part of the three-way valve 2380 , ie, the softener three-way valve 2382 , is opened to communicate the path between the softener tank 2460 and the pump unit 2390 . The pump unit 2390 rotates the motor to move the piston 2395 up and down, sucks an appropriate amount of softener from the pump unit inlet 2392a, and discharges it from the pump unit outlet 2392b. The softener discharged from the pump unit outlet 2392b reaches the lower part 2370 of the flow path.

Before or during the driving of the piston 2395, the second water guide tube 2312 is opened, and the water supply to the second water guide path 2322 is started. As shown by the water flow Y2, the water introduced into the second water guide path 2322 is injected into the softener manual injection part 2430 through the softener water injection port 2334, and flows down from the discharge port of the softener manual injection part 2430 toward the lower part 2370 of the flow path, The softening agent accumulated in the lower part 2370 of the flow path is dissolved and put into the washing tank 2500 .

Next, the softener three-way valve 2382 is closed, the path between the softener tank 2460 and the pump unit 2390 is blocked, and the path from the third water guide tube 2313 to the liquid agent automatic injection device 2301 is communicated. After that, the third water guide tube 2313 is opened, and the route cleaning of the three-way valve 2380 and the softening agent in the pump unit 2390 is performed. By this route washing, the residual softener is prevented from being mixed with the lotion to be charged in the next washing operation, and the precipitation of foreign matter generated when the lotion and the softener are mixed is suppressed. In addition, even when there is foreign matter, the route cleaning can remove the foreign matter by a strong water flow. [3-3. Function, etc.]

As described above, the washing machine 2100 in Embodiment 3 includes the casing 2600 , the washing tub 2500 , the water guide path, the lotion tank 2450 , the softener tank 2460 , the liquid agent automatic injection device 2301 , and the control unit 2900 . The washing tub 2500 is provided inside the housing 2600 and accommodates laundry. The water guide path supplies the water introduced from the water supply valve 2310 to the washing tub 2500 . The lotion tank 2450 and the softener tank 2460 are examples of liquid agent tanks in the present disclosure, and store liquid agents inside. The liquid agent automatic injection device 2301 injects the liquid agent stored in the lotion tank 2450 and the softener tank 2460 into the washing tank 2500 . The water guiding path includes a fifth water channel, a sixth water channel and a confluence water channel. The fifth water path is the first water guide path 2321 and the second water guide path 2322 for supplying water to the washing tub 2500 without passing the liquid agent automatic injection device 2301 . The sixth water path is a third water guide path 2323 for supplying water to the washing tub 2500 by the liquid agent automatic injection device 2301 . The confluence water passage is the lower part 2370 of the flow passage where the first water guide passage 2321 , the second water guide passage 2322 and the third water guide passage 2323 converge. The control unit 2900 drives the water supply valve 2310 to supply water to the first water guide path 2321 , and drives the liquid agent automatic injection device 2301 to inject the liquid agent into the washing tub 2500 .

Thereby, since the lotion supplied to the washing tank 2500 can be diluted in the confluence part 2375, it can suppress that the undiluted|stock solution of a liquid agent adheres to the laundry.

Like the washing machine 2100 of the third embodiment, the control unit 2900 may intermittently drive the automatic liquid reagent feeding device 2301, and while the driving of the automatic liquid reagent feeding device 2301 is stopped, the water supply valve 2310 may be driven to provide the third water guide path 2323 water supply.

Thereby, the concentration of the input lotion liquid can be kept in a predetermined range, and the lotion liquid can be input into the washing tank 2500 over a long period of time.

Therefore, the laundry liquid inside the washing tub 2500 can be sprinkled without missing.

Like the washing machine 2100 of the third embodiment, the lower part 2370 of the flow path can also be provided below the first water guide path 2321 and the second water guide path 2322, and the first water guide path 2321 and the second water guide path 2322 can be arranged to inject water toward the lower part 2370 of the flow path 2335 for foam generation.

As a result, the lotion liquid is foamed by the water strongly injected from the water injection port 2335 for foam generation.

Like the washing machine 2100 of the third embodiment, the flow path lower part 2370 may include a plurality of pins, which are formed to extend up and down at the position below the water injection port 2335 for foam generation.

Thereby, water is poured into the lotion liquid remaining around the pins from the water injection port 2335 for foam generation, and the lotion liquid is foamed. (Variation of Embodiment 3)

As described above, Embodiment 3 has been described as an example of the technology in the present disclosure. However, the techniques in the present disclosure are not limited thereto.

Then, the modification of Embodiment 3 is illustrated below.

In Embodiment 3, as an example of the washing machine in the present disclosure, a washing machine 2100 that is an upright type washing machine has been described. The washing machine in the present disclosure is not limited to a vertical washing machine, and may be a drum-type washing machine or a double-tank washing machine.

In Embodiment 3, as an example of the configuration in which the water supply unit is driven to supply water to the fifth water passage, and the liquid medicine automatic injection device is driven to inject the liquid medicine, the first water guide path 2321 is supplied with water and the liquid medicine is supplied as an example. The operation of driving the automatic injection device 2301 to inject the liquid agent. The fifth water path is not limited to the first water guide path 2321 and may be, for example, the second water guide path 2322, as long as it is a water path that supplies water to the washing tub without using the liquid agent automatic injection device. Moreover, in Embodiment 3, the operation|movement of injecting a liquid lotion was demonstrated as an example of the structure which drives a liquid agent injector and injects a liquid agent. The liquid agent is not limited to the liquid lotion, and may be, for example, a softener.

In the third embodiment, as an example of the water injection port for foam generation in the present disclosure, the water injection port 2335 for foam generation that injects water into the lower part 2370 of the flow path without passing through the lotion box 2400 has been described. The water injection port for foam generation in the present disclosure is not limited to the water injection port 2335 for foam generation as long as water is injected toward the confluence water passage. For example, the water injection port for foam generation may be configured to inject water into the lower part of the flow path through a lotion box, and may also be used as a water injection port for powder lotion, liquid lotion, or softener.

industrial availability The present disclosure can be applied to a device provided with an automatic liquid agent injection device. Specifically, the present disclosure can be applied to upright washing machines, front-loading washing machines, double-tank washing machines, dishwashers, and the like.

100, 1100, 2100: washing machine 200,1200,2200: Water inlet 210, 1210, 2210: Water supply hose 300, 1300, 2300: Water supply unit 301, 1301, 2301: Automatic liquid injection device 302, 1302, 2302: Lotion tank insertion port 303, 1303, 2303: Softener slot insertion port 310, 1310, 2310: Water supply valve 311, 1311, 2311: The first water guide tube 312, 1312, 2312: Second water guide 313, 1313, 2313: The third water guide 314, 1314, 2314: Tank Pumps 320, 1320, 2320: Water supply unit housing part 321, 1321, 2321: First water guide path 322, 1322, 2322: Second water guide path 323, 1323, 2323: The third water channel 324, 1324, 2324: Cleaning path water guide 325, 1325, 2325: Automatically put into the path inside the device 326, 1326, 2326: Cleaning path outflow port 330, 1330, 2330: Lotion box flow path 331, 1331, 2331: Water injection port for powder lotion 332, 1332, 2332: Water injection ports for liquid lotions 333, 1333, 2333: Water injection port for tank pump 334, 1334, 2334: Water injection ports for softeners 340, 1340, 2340: Flow path cover 350, 1350, 2350: Lotion box accommodating part 360, 1360: Slot Receptacle 360a, 1360a, 2360a: Connection for automatic lotion injection 360b, 1360b: Connection part for automatic injection of softener 370, 1370, 2370: lower part of the flow path 380, 1380, 2380: Three-way valve 381, 1381, 2381: Lotion three-way valve 382, 1382, 2382: Softener three-way valve 390, 1390, 2390: Pump unit 391, 1391, 2391: Flow path in pump 392a, 1392a, 2392a: Pump unit inlet 392b, 1392b, 2392b: Pump unit outlet 393, 1393, 2393: Inlet check valve 394, 1394, 2394: Outlet check valve 395, 1395, 2395: Piston 397, 1397, 2397: Cylinder 400, 1400, 2400: Lotion box 410, 1410, 2410: Manual input of powder lotion 420, 1420, 2420: Manual input of liquid lotion 430, 1430, 2430: Softener manual injection part 450, 1450, 2450: Lotion tank 450a, 1450a, 2450a: Scale for the remaining amount of the lotion tank 451, 1451, 2451: Lotion tank input section 452, 1452, 2452: Lotion is automatically put into the insertion port 460, 1460, 2460: Softener tank 460a, 1460a, 2460a: Scale for the remaining amount of softener tank 461, 1461, 2461: Softener tank input part 462, 1462, 2462: Softener is automatically put into the insertion port 500, 1500, 2500: Sink 600, 1600, 2600: Shell 610, 1610, 2610: Lower shell 620, 1620, 2620: Upper shell 621, 1621, 2621: Input port 700,1700,2700: Cover 800, 1800, 2800: Operation Department 900, 1900, 2900: Control Department 2360: Lotion tank receptacle 2318: Clean Path Entry 2319: Clean Path 2335: Water injection port for foam generation 2361: Lotion tank accommodating claw 2362: Abutting surface of lotion tank accommodating part 2363: Storage Department 2364: drop mouth 2365: Softener tank receptacle 2365a: Connector for automatic softener injection 2368: Stopper 2371: Discharge port at the lower part of the flow path 2372: First flow path lower path 2373: Second flow path lower path 2374: Clean Path Exit 2375: Confluence 2376: Foam Generation Department 2377: Pin 2454: Lock lever 2454a: Locking Lever Grip 2455: Spring mechanism 2455a: Spring 2456: Lotion tank shell 2456a: Lotion tank housing grip 2457: Groove protrusion 2464: Throwing in Slope 2470: Filter X, X1, X2: the flow of water Y, Y1, Y2: the flow of water Z, Z1, Z2: the flow of water A-A,B-B,C-C,D-D,E-E,F-F,G-G,H-H,J-J,K-K,L-L,M-M,N-N,O-O,P-P,Q-Q,R-R,S-S,T-T,U-U,V-V,W-W:Line

FIG. 1 is an external perspective view showing the configuration of the washing machine in Embodiment 1, with a lid closed.

Fig. 2 is an external perspective view showing the configuration of the washing machine in Embodiment 1, with a lid opened.

Fig. 3 is an external perspective view showing the configuration of the water supply unit of the washing machine in Embodiment 1 and the surrounding thereof, and a state in which a lotion box, a lotion tank, and a softener tank are pulled out.

4 is a rear view showing a water supply unit of the washing machine in Embodiment 1 and the configuration of its periphery.

5 is an exploded perspective view showing a water supply unit of the washing machine in Embodiment 1 and the configuration of its surroundings.

FIG. 6 is a plan view showing the water supply unit of the washing machine in Embodiment 1 from which the flow path cover has been removed, and the configuration of the surrounding area.

7 is a plan view showing a cross-section of the water supply unit of the washing machine and its periphery in Embodiment 1 from which the flow path cover has been removed in a state where the lotion box, the lotion tank, and the softener tank are detached .

FIG. 8 is a F-F sectional view of the water supply unit and its surroundings shown in FIG. 7 .

9 is a plan view showing the configuration of the water supply unit of the washing machine and its periphery in Embodiment 1 with the flow path cover removed in the state where the lotion box, the lotion tank, and the softener tank are pulled out.

FIG. 10 is a B-B sectional view of the water supply unit and its surroundings shown in FIG. 7 .

FIG. 11 is an E-E sectional view of the water supply unit and its surroundings shown in FIG. 7 .

FIG. 12 is a C-C sectional view of the water supply unit and its surroundings shown in FIG. 7 .

FIG. 13 is an A-A sectional view of the water supply unit and its surroundings shown in FIG. 7 .

FIG. 14 is a D-D 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 in Embodiment 1, in which the lotion box, the lotion tank, and the softener tank are detached.

16 is a timing chart during the washing operation of the washing machine in Embodiment 1. FIG.

17 is an external perspective view showing the configuration of the washing machine in Embodiment 2, with the lid closed.

Fig. 18 is an external perspective view showing the configuration of the washing machine in Embodiment 2 with the lid opened.

Fig. 19 is an external perspective view showing the configuration of the water supply unit of the washing machine in Embodiment 2 and the surrounding thereof, and a state in which the lotion box, the lotion tank, and the softener tank are pulled out.

20 is a rear view showing a water supply unit of the washing machine in Embodiment 2 and the configuration of its periphery.

21 is an exploded perspective view showing a water supply unit of the washing machine in Embodiment 2 and the configuration of its periphery.

Fig. 22 is a plan view showing a water supply unit of the washing machine in Embodiment 2 from which the flow path cover has been removed, and the configuration of the periphery thereof.

23 is a plan view showing a cross-section of the water supply unit of the washing machine and its periphery in Embodiment 2 from which the flow path cover has been removed in a state where the lotion box, the lotion tank, and the softener tank are detached .

Fig. 24 is an M-M sectional view of the water supply unit shown in Fig. 23 and its surroundings.

25 is a plan view showing the configuration of the water supply unit of the washing machine and its periphery in Embodiment 2 with the flow path cover removed in the state where the lotion box, the lotion tank, and the softener tank are pulled out.

Fig. 26 is an H-H sectional view of the water supply unit shown in Fig. 23 and its surroundings.

Fig. 27 is an L-L sectional view of the water supply unit shown in Fig. 23 and its surroundings.

Fig. 28 is a J-J sectional view of the water supply unit shown in Fig. 23 and its surroundings.

Fig. 29 is a G-G sectional view of the water supply unit shown in Fig. 23 and its surroundings.

Fig. 30 is a K-K sectional view of the water supply unit shown in Fig. 23 and its surroundings.

Fig. 31 is an external front view showing the configuration of the water supply unit of the washing machine in Embodiment 2, with the lotion box, the lotion tank, and the softener tank detached.

32 is a timing chart during the washing operation of the washing machine in Embodiment 2. FIG.

33 is an external perspective view showing the configuration of the washing machine in Embodiment 3, with the lid closed.

Fig. 34 is an external perspective view showing the configuration of the washing machine in Embodiment 3, with the lid opened.

Fig. 35 is an external perspective view showing the configuration of the water supply unit of the washing machine in Embodiment 3 and its periphery, with the lotion box, the lotion tank, and the softener tank pulled out.

36 is a rear view showing the configuration of the water supply unit of the washing machine in Embodiment 3 and its surroundings.

37 is an exploded perspective view showing the configuration of the water supply unit of the washing machine in Embodiment 3 and its surrounding.

38 is a plan view showing a water supply unit of the washing machine in Embodiment 3 from which the flow path cover has been removed, and the configuration of the surrounding area.

39 is a plan view showing a cross-section of the water supply unit of the washing machine and its periphery in Embodiment 3 with the flow path cover removed in the state where the lotion box, the lotion tank, and the softener tank are detached .

Fig. 40 is an S-S sectional view of the water supply unit shown in Fig. 39 and its surroundings.

41 is a plan view showing the configuration of the water supply unit of the washing machine and its periphery in Embodiment 3 with the flow path cover removed in the state where the lotion box, the lotion tank, and the softener tank are pulled out.

Fig. 42 is an O-O sectional view of the water supply unit shown in Fig. 39 and its surroundings.

Fig. 43 is an R-R sectional view of the water supply unit shown in Fig. 39 and its surroundings.

Fig. 44 is a P-P sectional view of the water supply unit shown in Fig. 39 and its surroundings.

Fig. 45 is an N-N sectional view of the water supply unit shown in Fig. 39 and its surroundings.

Fig. 46 is a Q-Q sectional view of the water supply unit shown in Fig. 39 and its surroundings.

Fig. 47 is an external front view showing the configuration of the water supply unit of the washing machine in Embodiment 3, with the lotion box, the lotion tank, and the softener tank detached.

48 is an external perspective view showing the configuration of the detergent tank of the washing machine in Embodiment 3. FIG.

49A is a plan view showing a cross-section of the water supply unit of the washing machine and its periphery in Embodiment 3 with the flow path cover removed in the state where the detergent tank is stored.

49B is a plan view showing a cross-section of the water supply unit of the washing machine and its periphery in Embodiment 3 from which the flow path cover has been removed in a state where the detergent tank has been pulled out.

Fig. 50 is a T-T sectional view of the water supply unit shown in Fig. 49A and its surroundings.

Fig. 51 is a W-W sectional view of the water supply unit shown in Fig. 49B and its surroundings.

Fig. 52 is a U-U sectional view of the water supply unit shown in Fig. 49A and its surroundings.

Fig. 53 is a V-V sectional view of the water supply unit shown in Fig. 49B and its surroundings.

54 is a plan view showing the configuration of the lower part of the flow path of the washing machine in Embodiment 3. FIG.

55 is a timing chart during the washing operation of the washing machine in Embodiment 3. FIG.

Claims (9)

A washing machine has: case; a washing tank, which is arranged inside the aforementioned shell and accommodates the laundry; a water guide path for supplying the water introduced from the water supply valve to the washing tank; Liquid agent tank, which stores liquid agent inside; an automatic liquid agent feeding device for injecting the liquid agent stored in the liquid agent tank into the washing tank; and control department, The water guide path includes a first water path for supplying water to the washing tank without passing through the liquid agent automatic injection device, The water supply valve includes a first valve for supplying water to the first water channel, The control unit drives the automatic liquid reagent injection device and drives the first valve to open. The washing machine of claim 1, wherein the water guide path includes a second water path for supplying water to the washing tub by the liquid agent automatic injection device, The water supply valve includes a second valve for supplying water to the second water passage, The control unit stops the driving of the automatic liquid reagent feeding device, and drives the second valve to open while the automatic liquid reagent feeding device stops driving. A washing machine has: case; a washing tank, which is arranged inside the aforementioned casing and accommodates the laundry; a water guide path for supplying the water introduced from the water supply valve to the washing tank; Liquid agent tank, which stores liquid agent inside; A liquid agent automatic feeding device for injecting the liquid agent stored in the liquid agent tank into the washing tank; and control department, The aforementioned water guiding path includes: A third water path for supplying water to the washing tank without passing through the liquid agent automatic injection device; and The fourth water path supplies water to the washing tank by the liquid agent automatic feeding device, The aforementioned water supply valve includes: a third valve for supplying water to the aforementioned first waterway; and The fourth valve supplies water to the second water channel, The control unit opens and drives the fourth valve after a predetermined time has elapsed to open and drive the third valve. The washing machine of claim 3, wherein the control unit closes the third valve after opening the fourth valve and after a predetermined time has elapsed. The washing machine according to claim 3 or 4, wherein the control unit closes the fourth valve after the third valve is opened and driven and a predetermined time elapses. A washing machine has: case; a washing tank, which is arranged inside the aforementioned casing and accommodates the laundry; a water guide path for supplying the water introduced from the water supply valve to the washing tank; Liquid agent tank, which stores liquid agent inside; A liquid agent automatic feeding device for injecting the liquid agent stored in the liquid agent tank into the washing tank; and control department, The aforementioned water guiding path includes: The fifth water path supplies water to the washing tank without passing through the liquid agent automatic injection device; A sixth water channel for supplying water to the washing tank through the automatic liquid agent injection device; and a confluence waterway, for the aforementioned fifth waterway to converge with the aforementioned sixth waterway, The control unit drives the water supply valve to supply water to the fifth water passage, and drives the automatic liquid agent injection device to inject liquid agent. The washing machine according to claim 6, wherein the control unit drives the automatic liquid reagent feeding device intermittently, and drives the water supply valve to supply water to the sixth water passage while the driving of the liquid reagent automatic feeding device is stopped. The washing machine of claim 6 or 7, wherein the confluence water channel is arranged below the first water channel, The fifth water passage is provided with a water injection port for foam generation that injects water toward the confluence water passage. The washing machine according to claim 8, wherein the confluence water path includes a plurality of pins formed to extend up and down at a position below the water injection port for foam generation.

Images