CN115029900A - Household appliance - Google Patents

Abstract

The invention provides a household electrical appliance device, which has a water storage device, and the water storage device has: a water storage container whose upper surface is open; a water inlet; a water outlet; and a spray device, which is arranged above the water storage container and is used for The spray water is sprayed into the water storage device to remove the foam in the water storage device. The spray device has: a spray water introduction port, and the spray water enters the spray device through the spray water introduction port; Including a first water branch and a second water branch; and a water outlet structure, which includes a first water outlet structure and a second water outlet structure, the first water outlet structure is located in the area close to the spray water inlet, and the first water outlet structure The spray water of the road is sprayed into the water storage device through the first water outlet structure, the second water outlet structure is located in the area away from the spray water inlet, and the spray water of the second water branch branch is sent to the water storage device through the second water outlet structure. Spray inside the device. Thereby, it is possible to provide a home appliance device capable of improving the defoaming efficiency of the shower device.

Description

Home Appliances

technical field

The present invention relates to home appliances such as washing machines, washing dryers, dehydrators, dishwashers, etc., of types such as pulsator type, agitator type, and drum type.

Background technique

Detergents are commonly used in the use of home appliances such as washing machines and dishwashers. Due to the use of detergent, a large amount of foam may be generated in the water storage device provided in the drainage path. On the other hand, the foam may cause false detection by the liquid level detection device of the water storage device, thereby affecting the normal operation of the household electrical device. In addition, if the foam is sucked into the exhaust port and then into the air pump, the safety of the air pump may be affected.

CN208395501U discloses a spray device for eliminating foam in a water storage device by spraying. However, in the spray device disclosed in CN208395501U, the spray water entering from the water inlet is directly sprayed into the water storage device from many spray holes. Therefore, when the water inlet pressure is low, the spray water flow may be Only from the spray holes close to the water inlet into the water storage device, the spray water cannot be sprayed from the spray holes far away from the water inlet, and these spray holes cannot be used for spraying and defoaming. On the other hand, even when the inlet water pressure is high, due to the different distances from the water inlet, the strength of the spray water sprayed from each spray hole is also very different, and it is impossible to uniformly spray and remove foam. .

SUMMARY OF THE INVENTION

Invention to solve problem

The present invention has been made in view of the above-mentioned situation, and an object of the present invention is to provide a household electrical appliance capable of improving the defoaming efficiency of a shower device.

solution to the problem

In order to achieve the above-mentioned object, a first technical solution of the present invention provides a household electrical appliance device having a water storage device, the water storage device having: a water storage container whose upper surface is open and formed inside There is a space for storing the used washing water and/or the foam in the washing water; the water inlet, the used washing water and/or the foam in the washing water can be led into the water storage container through the water inlet; the drain port, The washing water and/or foam in the water storage container can be discharged to the outside of the household electrical appliance device through the drain port; and a spray device, which is arranged above the water storage container, is used to send the water to the water storage container. The spray water is sprayed in the water device to remove the foam in the water storage device. The spray device has: a spray water introduction port, and the spray water enters the spray device through the spray water introduction port ; Water diversion structure, which comprises a first diversion branch and a second diversion branch, and the spray water entering from the spray water inlet is respectively directed to the first diversion branch and the second diversion branch. The water branch is guided and branched; and a water outlet structure includes a first water outlet structure and a second water outlet structure, the first water outlet structure is located in a region close to the spray water inlet, and the first water outlet branch The spray water is sprayed into the water storage device through the first water outlet structure, the second water outlet structure is located in the area away from the spray water inlet, and the spray of the second water branch branch Water is sprayed into the water storage device through the second water outlet structure.

According to the first aspect, the shower water entering from the shower water inlet is guided and branched to the first branch water branch and the second branch water branch, respectively, and further from the first water outlet structure close to the shower water inlet and the second water outlet structure far away from the shower water inlet are sprayed into the water storage device respectively, thereby ensuring that the amount of spray water sprayed from the first water outlet structure close to the shower water inlet The amount of spray water sprayed by the second water outlet structure of the spray water inlet is approximately uniform. As a result, uniform spraying can be achieved everywhere inside the water storage device, bubble removal can be performed quickly and efficiently, and air bubbles can be prevented from entering the air pump as the suction part, ensuring reliable and safe operation of the device, and at the same time saving water. Time.

According to a second aspect of the invention, in the household electrical appliance device according to the first aspect, the shower device includes a shower plate provided above the water storage container, and the water separation structure utilizes the shower from the shower. The upper surface of the board is formed of a rib erected upward.

According to the second aspect of the invention, it is possible to realize a shower device capable of uniform showering with a simple structure.

A third technical solution is based on the household electrical appliance device of the second technical solution, wherein the first water outlet structure includes a plurality of spray holes penetrating the shower plate in the first water branch branch, so The second water outlet structure includes a plurality of spray holes penetrating the spray plate in the second water branch branch.

According to the third aspect, a shower device capable of uniform showering can be realized with a simple structure.

A fourth technical solution is, based on the household appliance device of the third technical solution, the density of the spray holes in the first water outlet structure is smaller than the density of the spray holes in the second water outlet structure; and/or The diameter of the spray holes in the first water outlet structure is smaller than the diameter of the spray holes in the second water outlet structure.

According to the fourth technical solution, compared with the second water outlet structure far from the shower water inlet, the shower water is more likely to be sprayed from the first water outlet structure close to the shower water inlet, but by making the spray water in the first water outlet structure The density of the shower holes is smaller than the density of the spray holes in the second water outlet structure, and/or the diameter of the spray holes in the first water outlet structure is smaller than the diameter of the spray holes in the second water outlet structure, so that the water from the first outlet structure can be The amount of spray water sprayed from the spray holes of the structure is more uniform than the amount of spray water sprayed from the spray holes of the second water outlet structure.

According to a fifth aspect of the invention, in the household electrical appliance device of the second aspect, the rib that defines and forms the first water diversion branch is formed with one or more rib protruding into the first water diversion branch. protrusion.

According to the fifth aspect of the invention, the protruding portion can make the first water diversion branch in a meandering shape, so that the shower water can be prevented from flowing only along the rib and only from the shower hole close to the rib. The amount of spray water sprayed by each spray hole of the water branch branch is more uniform.

According to a sixth aspect of the present invention, in the home appliance device of the first aspect, the first branch water branch and the second branch water branch communicate on the downstream side in the flow direction of the shower water.

According to the sixth aspect, the shower water of the first branch water channel and the second branch water channel can be made to complement each other, and the shower water flow can be sprayed more uniformly regardless of the inlet pressure of the shower water inlet.

According to a seventh aspect of the invention, in the household electrical appliance device of the second aspect, a partition rib erected upward from the upper surface of the shower plate is provided in the second water diversion branch, and utilizing the The dividing rib divides the second water dividing branch into a third water dividing branch and a fourth water dividing branch, and the third water dividing branch and the fourth water dividing branch are at the position of the dividing rib. Both the upstream side and the downstream side are communicated.

According to the seventh aspect of the invention, by further dividing the second water diversion branch into the third water diversion branch and the fourth water diversion branch, it is possible to more finely adjust the amount of the shower water flow in the shower holes in each area ; In addition, by making the third branch water branch and the fourth branch water communicate on both the upstream side and the downstream side of the dividing rib, the spray water of the third branch water branch and the fourth branch water channel can be mutually supplemented , regardless of the inlet pressure of the spray water inlet, the spray water flow can be sprayed more uniformly.

According to an eighth aspect of the invention, in the home appliance device of the first aspect, the drain port is provided close to the bottom wall of the water storage container, and the inner surface of the bottom wall of the water storage container is formed by one or more An inclined surface inclined downward toward the water outlet is formed.

According to the eighth aspect, it is advantageous to guide the washing water and/or foam in the water storage device to the drain port, and prevent the washing water and/or foam from remaining in the water storage device.

According to a ninth aspect of the present invention, in the household electrical appliance according to any one of the second, fifth, and seventh aspects, the water dividing structure further includes a rib erected upward from the upper surface of the shower plate. A fifth water diversion branch is formed by dividing and forming, and the water outlet structure further includes a water flow forming port in the side wall passing through the spray plate in the fifth water diversion branch, and a spray water entering from the spray water inlet The shower water is also guided to the water flow forming opening of the side wall by using the fifth water diversion branch, so as to form an inflow into the water storage container along the side wall of the water storage container at a position away from the water outlet. side wall water flow.

According to the ninth technical solution, while the foam is dispersed by the spray water flow of the first water outlet structure and the second water outlet structure, the side wall water flow that flows down the side wall of the water storage container through the side wall water flow forming port is used for washing. A tumbling water flow is formed in the water, and the disintegrated foam is drawn into the washing water, whereby the foam in the water storage device can be more effectively eliminated and discharged to the outside of the water storage device. In addition, by forming the side wall water flow forming port with a small water outlet resistance in a separate water branch (fifth water branch), it is possible to effectively prevent the spray water entering from the spray water introduction port from flowing too much to The water flow on the side wall forms a port, which is beneficial to achieve a more uniform spray.

According to a tenth aspect of the present invention, in addition to the household electrical appliance device of the ninth aspect, the household electrical appliance device further includes a washing treatment tank for accommodating laundry and washing water, and the water storage device passes through a dehydration path. communicated with the washing treatment tank; and a suction part communicated with the water storage device via an exhaust path for sucking the washing water in the washing treatment tank to the water storage device, the water storage device It also has an exhaust port, the exhaust port is open to the inside of the water storage device, the suction part communicates with the exhaust port through the exhaust path, and the water storage device is connected to the exhaust port at the exhaust port. A baffle plate is arranged between the water flow forming openings of the side wall, and the baffle plate extends downward from the lower surface of the spray plate.

According to the tenth aspect, the baffle plate can effectively prevent the water flow at the side wall water flow forming port from entering the suction portion through the exhaust port, and the safe and stable operation of the suction portion can be ensured.

According to an eleventh aspect of the present invention, in the household electrical appliance device according to the tenth aspect, the household electrical appliance device is a laundry processing apparatus, and the laundry processing apparatus includes a laundry processing tank, which is the washing processing tank, and is provided with a laundry processing tank. A bottom cylindrical shape; a laundry treatment tank seal for sealing the laundry treatment tank; and an air pump as the suction part.

According to the eleventh aspect, by applying the above-mentioned structure to a laundry treatment apparatus that tends to generate a large amount of foam, the above-mentioned advantageous effects can be more remarkably achieved.

effect of invention

According to the present invention, it is possible to provide a household electrical appliance device capable of improving the defoaming efficiency of the shower device.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features and aspects of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic view of a washing machine of the present invention.

2 is a perspective view of the water storage device of the washing machine of the present invention.

FIG. 3 is a plan view of the above-mentioned water storage device.

4 is an exploded perspective view of the above-mentioned water storage device.

5 is a top perspective view of a water storage container of the above-mentioned water storage device.

FIG. 6 is a plan view of the shower device of the above-mentioned water storage device.

FIG. 7 is a perspective view showing the structure of the rear surface of the shower device of the water storage device.

FIG. 8 is a schematic diagram showing the flow of water in the shower device of the above-mentioned water storage device.

FIG. 9 is another schematic diagram showing the flow of water in the shower device of the above-mentioned water storage device.

FIG. 10 is a schematic diagram showing the defoaming and drainage process of the above-mentioned water storage device.

Fig. 11 is a plan view of another shower device of the above-mentioned water storage device.

Fig. 12 is a partially enlarged perspective view showing the periphery of the exhaust port of the water storage device.

13 is a perspective view of a detection electrode of the liquid level detection device of the above-mentioned water storage device.

FIG. 14 is a cross-sectional view of the water storage device taken along the line A-A in FIG. 3 .

FIG. 15 is a cross-sectional view of the water storage device taken along the line B-B in FIG. 3 .

FIG. 16 is a cross-sectional view of the water storage device taken along the line C-C in FIG. 3 .

Description of reference numerals

1: laundry treatment tank (washing treatment tank); 11: laundry (washed items); 12: washing water; 13: foam; 14: laundry treatment tank seal; 15: machine door; 16: dehydration port; 17: washing water inlet valve; 18: air valve; 2: air pump (suction part); 3: dehydration path; 31: container side dehydration path part (at least a part of dehydration path); 32: water inlet; 321: upper end face of water inlet; 33: dehydration path connection part; 4: water storage device; 44: first cover body; 45: second cover body; 47: drain port; 48: drain path; 49; drain valve; 5: exhaust path; 51: Container side exhaust path portion (at least a part of exhaust path); 52: exhaust port; 53: defoaming portion; 54: auxiliary exhaust port; 541: first auxiliary exhaust port: 542: second auxiliary exhaust port port; 55: exhaust path connection part; 6: baffle plate; 61: first baffle plate; 62: second baffle plate; 7: liquid level detection device; 71: first detection electrode; 711: flat plate part; 712: Electrode column; 72: second detection electrode (detection electrode for detecting the maximum allowable liquid level); 8: water storage container; 81: side wall; 811: front wall; 812: rear wall; 813: left wall; 814 : right wall; 815: sealing groove; 82: bottom wall; 820: inner surface of bottom wall; 821: first bottom wall; 8211: inner surface of first bottom wall; 8212: outer surface of first bottom wall; 8213: support rib; 822: second bottom wall; 8221: inner surface of second bottom wall; 823: stepped portion; 824: guide groove; 831: first detection electrode mounting portion; 832: second detection electrode mounting portion ; 86: container side fixing part; 9: spray device; 90: spray plate; 91: spray water inlet; 92: water distribution structure; 921: first water distribution branch; 922: second water distribution branch Road; 923: The third branch; 924: The fourth branch; 925: The fifth branch; 93: Outlet structure; 930: Spray hole; 9301: Circumferential wall; 931: The first water outlet structure; 932: second water outlet structure; 933: side wall water flow forming port; 94: rib; 940: annular rib; 941: first rib; 9411: first left and right rib part; 9412: first front and rear rib part; 942: Second rib; 9421: Second right and left rib part; 9422: Second front and rear rib part; 943: Separation rib; 95: Protrusion; 951: First protrusion; 97: Positioning rib; 98: Exhaust port forming part; 981: First isolation strip part; 982: Second isolation strip part; 983: Ring-shaped wall part; 99: Spray water inlet valve.

Detailed ways

Next, specific embodiments of the present invention will be described with reference to the accompanying drawings.

As an example of a home appliance device to which the present invention can be applied, FIG. 1 shows a washing machine that can perform washing, rinsing, dehydration, and the like for laundry. Those skilled in the art can understand that the present invention can be applied to pulsator type, agitator type, drum type and other types of washing machines, washing dryers, dehydrators and other laundry treatment devices. In addition, the present invention can also be applied to other household appliances such as dishwashers. In other words, the present invention can be applied to any home appliance device having a water storage device.

1. Overall structure

As shown in FIG. 1 , the washing machine has: a clothes treatment tank 1 for storing clothes 11 and washing water 12 ; a water storage device 4 for communicating with the clothes treatment tank 1 via a dehydration path 3 for temporarily storing the washing water 12 ; And the air pump 2 communicates with the water storage device 4 via the exhaust path 5 , and is used for sucking the washing water 12 in the laundry treatment tank 1 to the water storage device 4 . In addition, the washing machine further includes a control unit (not shown) for controlling the operation of the washing machine. In addition, although not shown, the laundry processing tank 1, the air pump 2, and the water storage device 4 are all provided in the case which comprises the outer frame of a washing machine. The above-mentioned laundry treatment tank 1 is a specific example of a washing treatment tank, the above-mentioned laundry 11 is a specific example of the laundry, and the above-mentioned air pump 2 is a specific example of the suction part.

The laundry treatment tank 1 is formed in a bottomed cylindrical shape with an open upper end, such as a bottomed cylindrical shape, a bottomed square cylindrical shape, and a bottomed polygonal cylindrical shape, that is, in the present invention, unless otherwise specified. , the "cylindrical shape" is not limited to a cylinder, but also includes a square cylinder, a polygonal cylinder, and the like. In use, the laundry processing tank 1 is driven to rotate by a motor (not shown), and the laundry 11 in the laundry processing tank 1 is washed and rinsed.

An organic door 15 is installed on the upper end of the laundry processing tank 1, and the door 15 can be rotated with one end as the base point, thereby opening and closing the upper end opening of the laundry processing tank 1, so that the user can put the clothes to be washed into the laundry processing tank 1. 11. Or take out the washed clothes 11 from the clothes treatment tank 1 .

Clothes processing tank seal 14 is attached to the surface of the door 15 on the side of the laundry processing tank 1, and the laundry processing tank seal 14 has a substantially disc shape similar to the shape of the door 15, or the center of the substantially disc faces the clothes. The shape in which the bottom of the processing tank 1 is recessed is formed of a material such as resin that can be elastically deformed. In the state where the upper end opening of the laundry processing tank 1 is closed by the door 15, the outer peripheral edge of the laundry processing tank seal 14 is airtightly sandwiched between the door 15 and the upper end opening of the laundry processing tank 1, so that the A closed space is formed in the laundry treatment tank 1 . Further, the side of the laundry treatment tank seal 14 opposite to the laundry treatment tank 1 is communicated with the atmosphere through a slit or an opening in the door 15 or the like.

In addition, the laundry treatment tank 1 is connected to a pipeline provided with a washing inlet valve 17 whose opening and closing are controlled by the control unit, and the pipeline is connected to a tap or the like of domestic tap water. When the washing inlet valve 17 is opened, the laundry Water is supplied in the treatment tank 1 . In addition, the laundry processing tank 1 is also connected to a pipeline provided with an air valve 18 whose opening and closing are controlled by the control unit, and the pipeline is connected to the atmosphere. When the air valve 18 is opened, air is supplied into the laundry processing tank 1 to increase the Air pressure in the laundry treatment tank 1. The bottom of the laundry treatment tank 1 is also provided with a dehydration port 16 that communicates with the dehydration path 3 , and the washing water 12 in the laundry treatment tank 1 and/or the foam 13 in the washing water 12 are injected into the laundry treatment tank 1 through the dehydration port 16 and the dehydration path 3 . Inside the water storage device 4.

The air pump 2 is a negative pressure pump with a negative pressure air suction function, and is used for evacuating the inside of the laundry treatment tank 1 in the dehydration process.

In addition, the water storage device 4 is located between the laundry processing tank 1 and the air pump 2, and has a water inlet 32 which is open to the water storage device 4, and the washing water 12 in the laundry processing tank 1 can pass through the dehydration path 3 from the water inlet 32. Introduced into the water storage device 4; the exhaust port 52, which is open to the water storage device 4, and the air pump 2 communicates with the exhaust port 52 via the exhaust path 5; and the drain port 47, which is open to the water storage device 4, It is used to discharge the washing water 12 in the water storage device 4 .

Specifically, the water inlet 32 is located at the upper part of the water storage device 4 , and communicates with the clothes treatment tank 1 via the dehydration port 16 and the dehydration path 3 at the bottom of the clothes treatment tank 1 . The exhaust port 52 is located in the upper part of the water storage device 4 , and communicates with the air pump 2 via the exhaust path 5 . The drain port 47 is located in the lower part of the water storage device 4 , and communicates with the drain valve 49 via the drain path 48 . In the water storage device 4, air enters from the water inlet 32 and is discharged through the exhaust port 52 and the exhaust path 5, and the wash water 12 and/or the foam 13 in the wash water 12 enters from the water inlet 32 and accumulates in the The lower part of the water storage device 4, thereby realizing gas-liquid separation. The washing water 12 and/or the foam 13 accumulated in the water storage device 4 can finally be discharged to the outside of the washing machine via the drain port 47 , the drain path 48 and the drain valve 49 .

In addition, the water storage device 4 has a liquid level detection device 7 , and the liquid level detection device 7 is used to detect the liquid level of the washing water 12 and/or the foam 13 in the water storage device 4 . Here, when only the washing water 12 exists in the water storage device 4, the "liquid level" refers to the height at which the surface of the washing water is located; the washing water 12 and the foam 13 exist in the water storage device 4, and the foam 13 When floating on the surface of the washing water 12, the liquid level refers to the height of the surface of the foam 13. The liquid level detection device 7 includes a first detection electrode 71 and a second detection electrode 72 installed on the side wall 81 of the water storage device 4 . The first detection electrode 71 is installed at a position close to the bottom of the side wall 81 of the water storage device 4 , The second detection electrode 72 is attached to a position above the first detection electrode 71 of the side wall 81 of the water storage device 4 . When the liquid level in the water storage device 4 reaches the installation position of the second detection electrode 72 , the connection between the first detection electrode 71 and the second detection electrode 72 is conducted by the washing water 12 and/or the foam 13 . Therefore, the control unit can determine whether the liquid level in the water storage device 4 has reached the maximum allowable liquid level height by detecting whether the first detection electrode 71 and the second detection electrode 72 are conducting. That is, the attachment position of the second detection electrode 72 corresponds to the maximum allowable liquid level height, and the second detection electrode 72 serves as a detection electrode for detecting the maximum allowable liquid level height.

In addition, the water storage device 4 also has a spray device 9 , and the spray device 9 is arranged at an upper position in the water storage device 4 for spraying the spray water into the water storage device 4 to remove the inside of the water storage device 4 . the foam 13. The shower water inlet 91 of the shower device 9 communicates with a pipeline provided with a shower water inlet valve 99 controlled to open and close by the control unit, and the pipeline is connected to a household tap of tap water, etc. When the shower is turned on, When water enters the water valve 99 , water is supplied into the shower device 9 .

The spin-drying process of the washing machine provided with the above-mentioned structure is demonstrated below. When the washing machine completes the washing process and the rinsing process and starts the dehydration process, the control unit controls the washing water inlet valve 17, the air valve 18, the drain valve 49, and the shower water inlet valve 99 so that they are all closed. After that, the control unit controls the air pump 2 to start operation, and performs a suction operation. At this time, the laundry treatment tank 1 and the water storage device 4 communicate with each other via the dehydration path 3 to form a closed space together.

With the continuous operation of the air pump 2, the air in the laundry treatment tank 1 and the water storage device 4 is continuously drawn out from the exhaust port 52, and the pressure in the laundry treatment tank 1 and the water storage device 4 becomes negative pressure. At this time, the atmospheric pressure on the outer surface of the laundry processing tank seal 14 is greater than the pressure in the laundry processing tank 1 on the inner surface. Under the action of this pressure difference, the laundry processing tank seal 14 follows the cylindrical clothes The side wall of the processing tank 1 is elastically deformed toward the bottom wall of the laundry processing tank 1 , so that the laundry 11 in the laundry processing tank 1 is pressed toward the bottom wall of the laundry processing tank 1 and the washing water 12 is squeezed out.

Under the action of negative pressure, the washing water 12 enters the dehydration path 3 through the dehydration port 16 provided at the bottom of the clothes treatment tank 1 together with the air in the clothes treatment tank 1 , and flows into the water storage device 4 through the water inlet 32 . In addition, the washing water 12 in the laundry treatment tank 1 may be mixed with a certain amount of foam. At the same time, if detergent remains in the washing water 12, when the mixture of the washing water 12 and the air enters the water storage device 4, some foams may be generated again due to the mixing action of the washing water containing the detergent and the air. And the foam (collectively referred to as “foam 13 ”) sucked from the laundry treatment tank 1 floats on the upper side of the wash water 12 stored in the water storage device 4 .

During this process, the control unit performs real-time detection of the continuity between the first detection electrode 71 and the second detection electrode 72 . When the washing water 12 and/or the foam 13 in the water storage device 4 do not reach the maximum allowable liquid level, there is no conduction between the first detection electrode 71 and the second detection electrode 72, and the air pump 2 continues to operate. As the height of the washing water 12 and/or the foam 13 in the water storage device 4 continues to rise, when the control unit detects that the first detection electrode 71 and the second detection electrode 72 are connected to each other, it is determined that the water storage device 4 is in the water storage device 4 . The wash water 12 and/or foam 13 reaches the maximum allowable liquid level. At this time, the control unit controls the air pump 2 to stop the operation, and starts the drainage operation in the water storage device 4 .

When starting the drainage operation, the control unit controls the air pump 2 , the washing water inlet valve 17 , and the spray water inlet valve 99 to keep them in a closed state, and controls the air valve 18 and the drainage valve 49 to keep them in an open state. At this time, the washing water 12 and/or the foam 13 in the water storage device 4 flows out to the outside of the washing machine via the drain path 48 and the drain valve 49 . At the same time, the air valve 18 in the open state supplies air to the water storage device 4 through the laundry treatment tank 1 and the dehydration path 3 to adjust the air pressure balance in the water storage device 4, so that the washing water 12 in the water storage device 4 and /or the foam 13 can be discharged smoothly.

In addition, even after the drainage operation is completed, the foam 13 may remain in the water storage device 4 and it may be difficult to discharge smoothly. If the above-mentioned suction operation is performed again after the above-mentioned drainage operation is completed, as the washing water 12 enters the water storage device 4 again, the foam 13 remaining in the water storage device 4 will rapidly rise to the level of the second detection electrode 72 . position, and the control unit determines that the liquid level in the water storage device 4 has reached a predetermined position, and then starts the drainage operation again. This will cause the pumping action and the draining action to switch at an abnormally high frequency, which is time-consuming and energy-consuming. In order to avoid this situation, in the present invention, after the drainage operation is completed, the control unit controls the air pump 2 and the washing water inlet valve 17 to keep them in a closed state, and controls the air valve 18 , the drainage valve 49 and the spray water inlet valve 99 leave them open. Thereby, water is supplied into the shower device 9 through the shower water introduction port 91, and the foam removal operation is performed on the foam 13 in the water storage device 4, thereby reducing the adverse effect of the foam.

After that, the control unit continues to start the next round of suction action, drainage action and foam removal action repeatedly until the total time of the dehydration process reaches the set dehydration time, and then completes the last drainage action, and the whole stroke ends.

2. Water storage device

Hereinafter, the water storage device 4 will be described in detail with reference to the drawings.

As shown in FIG. 2 , the water storage device 4 has a substantially L-shape in which the lower left corner is missing when viewed from the front. In addition, as shown in FIG. 3 , the water storage device 4 has a substantially L-shape in which the left rear corner is missing in a plan view. However, the water storage device 4 is not limited to such a shape, and may be formed in a rectangular tube shape, a polygonal tube shape, a cylindrical shape, or the like in both a front view and a plan view.

As shown in FIG. 4 , the water storage device 4 includes a water storage container 8 , a spray device 9 , a first cover 44 , a second cover 45 and a liquid level detection device 7 .

2-1. Water storage container

As shown in FIGS. 4 to 5 , as the main body of the water storage device 4 , the water storage container 8 , like the water storage device 4 , has a substantially L-shape in which the lower left corner is missing when viewed from the front, and is in a plan view. Rough L-shape with missing left rear corner. In addition, the upper surface of the water storage container 8 is open, and a space for storing the used wash water 12 and/or the foam 13 in the wash water 12 is formed inside. The water storage container 8 is formed of a material such as resin or plastic, whereby the water storage container 8 can be easily integrally molded. More preferably, the water storage container 8 is formed of a material such as transparent resin or plastic, whereby the condition in the water storage device 4 can be easily checked.

The water storage container 8 includes a side wall 81 and a bottom wall 82 . The bottom wall 82 of the water storage container 8 constitutes the bottom wall of the water storage device 4 . The bottom wall 82 includes a first bottom wall 821 , a stepped portion 823 and a second bottom wall 822 in sequence from right to left. The position in the direction is lower than the position in the vertical direction of the second bottom wall 822 , and the step portion 823 connects the first bottom wall 821 and the second bottom wall 822 . The stepped portion 823 is provided with the drain port 47 so as to protrude out of the water storage container 8. As described above, the drain port 47 communicates with the drain valve 49 via the drain path 48, and the wash water 12 in the water storage container 8 and/or the drain valve 49 are communicated with each other. The foam 13 can be discharged to the outside through the drain port 47 .

In addition, as shown in FIG. 14 , the inner surface 8211 of the first bottom wall 821 is formed as an inclined surface inclined downward as it goes toward the drain port 47 , and the inner surface 8221 of the second bottom wall 822 is also formed as an inclined surface toward the drain port 47 . 47 and the inclined surface that slopes downward. The installation position of the drain port 47 is not limited to the step portion 823 , and the drain port 47 may also be provided at a position close to the bottom wall 82 of the side wall 81 of the water storage container 8 , that is, as long as it is provided close to the bottom wall 82 . The drain port 47 is sufficient. In addition, the above-mentioned inner surface 820 of the bottom wall 82 includes two inclined surfaces, but the number of inclined surfaces may be one, for example, only the inner surface 8211 of the first bottom wall 821 is set as the inclined surface. Furthermore, the number of inclined surfaces may be three or more. For example, the inner surface 8211 of the first bottom wall 821 is divided into two inclined surfaces in the front-rear direction, and the two inclined surfaces are further inclined downward as they go inward in the front-rear direction. . In short, the inner surface 820 of the bottom wall 82 may be formed of one or more inclined surfaces inclined downward toward the drain port 47 .

In addition, as shown in FIG. 5 and FIG. 15 , the first bottom wall 821 is formed with a guide groove 824 which is recessed downward. The guide groove 824 extends to the position where the drain port 47 of the stepped portion 823 is provided, and is used for storing water. The wash water 12 and/or the foam 13 in the container 8 are led to the drain port 47 .

In addition, as shown in FIG. 14 , the lower end portion of the side wall 81 and the lower end portion of the stepped portion 823 extend to a position below the outer surface 8212 of the first bottom wall 821 . Further, the outer surface 8212 of the first bottom wall 821 is formed with a support rib 8213 protruding downward. The lower end surface of the side wall 81, the lower end surface of the stepped portion 823, and the lower end surface of the support rib 8213 are flush with each other, thereby constituting a mounting surface of the water storage container 8, and the water storage container 8 can be stably placed on a horizontal surface or the like.

As shown in FIGS. 2 and 5 , the side wall 81 of the water storage container 8 constitutes the side wall of the water storage device 4 , including a front wall 811 , a rear wall 812 , a left wall 813 , and a right wall 814 . The front wall 811 and the rear wall 812 face each other in the front-rear direction, and the front wall 811 has a substantially flat plate shape, and the rear wall 812 has a shape in which the middle portion is bent rearward. The lower end portion of the right side of the front wall 811 corresponding to the first bottom wall 821 extends to a lower position than the lower end portion of the left side corresponding to the second bottom wall 822; The lower end portion of the right side corresponding to 821 extends to a position lower than the lower end portion of the left side corresponding to the second bottom wall 822 . In addition, the left wall 813 and the right wall 814 are opposed to each other in the left-right direction, and both have a substantially flat plate shape, and connect the front wall 811 and the rear wall 812 . The lower end portion of the right wall 814 extends to a position below the lower end portion of the left wall 813 .

As shown in FIG. 5 , the container-side dehydration path portion 31 is formed integrally with the front wall 811 , and the container-side dehydration path portion 31 constitutes at least a part of the dehydration path 3 . Specifically, the container-side dehydration path portion 31 is formed at a position corresponding to the step portion 823 of the front wall 811 , is formed on the inner surface of the front wall 811 , extends in the vertical direction, and the upper end extends to the vicinity of the upper end portion of the front wall 811 . , the lower end extends to the position connected with the first bottom wall 821 . The cross-sectional shape cut|disconnected in the horizontal direction of the container side dehydration path part 31 is a substantially rectangular shape. The water inlet 32 is located at the upper end of the container-side dehydration path portion 31 and opens upward in the water storage device 4 . As shown in FIG. 15 , the upper end surface 321 of the water inlet 32 is formed as an inclined surface inclined downward as it goes to the rear, that is, the upper end surface 321 of the water inlet 32 is formed so as to be inclined toward the inside of the water storage device 4 . A sloped surface that slopes downward. In the vicinity of the lower end of the container-side dehydration path portion 31, a dehydration path connection portion 33 is provided so as to protrude forward from the outer surface of the front wall 811, and the water inlet 32 passes through the container-side dehydration path portion 31, the dehydration path connection portion 33, and the dehydration path. The part other than the container side dehydration path part 31 of 3 communicates with the dehydration port 16 of the laundry treatment tank 1 . In the suction operation of the dehydration step, by operating the air pump 2 , the washing water 12 in the clothes processing tank 1 is passed through the dehydration port 16 of the clothes processing tank 1 and the dehydration path 3 except the container side dehydration path portion 31 together with the air. The part, the dehydration path connecting part 33 , the container side dehydration path part 31 , and the water inlet 32 are sucked into the water storage device 4 .

In addition, the height of the water inlet 32 is higher than the maximum liquid level position in the washing treatment tank 1 . Here, the maximum liquid level position in the washing treatment tank 1 is defined by, for example, the height position of the overflow port in the washing treatment tank 1 and the like. If the height of the water inlet 32 is lower than the maximum liquid level in the washing treatment tank 1, in the suction operation of the dehydration process, the liquid level of the washing water 12 in the water storage device 4 is affected by the suction effect of the air pump 2 and the suction action of the air pump 2. When the siphon action reaches the same height as the maximum liquid level in the washing treatment tank 1, the washing water 12 in the water storage device 4 will submerge the water inlet 32. At this time, the air sucked from the water inlet 32 together with the washing water 12 The washing water 12 in the water storage device 4 will generate a large amount of foam 13, and the foam 13 will quickly rise to the position of the second detection electrode 72, and then the control unit determines that the liquid level in the water storage device 4 has reached the predetermined position, and then enters the Drainage action, which will cause the suction action and the drainage action to switch at an abnormally high frequency, which is time-consuming and energy-consuming. On the other hand, in the present invention, by making the height of the water inlet 32 higher than the maximum liquid level position in the washing treatment tank 1, the above-mentioned disadvantages can be effectively avoided.

In addition, the container-side dehydration path portion 31 is not necessarily formed on the front wall 811, but may be formed on the rear wall 812, the left wall 813, or the right wall 814, and can be appropriately performed according to the relative positional relationship between the laundry treatment tank 1 and the water storage device 4, etc. In other words, it is sufficient to form the container-side dehydration path portion 31 on the side wall 81 of the dehydration container 8 . In addition, the container-side dehydration path portion 31 does not necessarily have to be formed on the inner surface of the side wall 81, but may be formed on the outer surface of the side wall 81. However, by forming the container-side dehydration path portion 31 on the inner surface of the side wall 81, the Compared with the structure of the outer surface of the side wall 81 , it is more beneficial to realize the miniaturization of the water storage device 4 , and at the same time, the interference between the container-side dehydration path portion 31 and other components can be avoided. In addition, the cross-sectional shape cut|disconnected in the horizontal direction of the container side dehydration path part 31 does not necessarily have to be substantially rectangular, and may be substantially trapezoidal, substantially triangular, substantially semicircular, or the like, for example.

As shown in FIG. 5 , at the corner portion between the front wall 811 and the right wall 814, the container-side exhaust passage portion 51 and the container-side exhaust passage portion 51 are formed integrally with the front wall 811 and the right wall 814. At least a part of the exhaust path 5 is constituted. Specifically, the container-side exhaust passage portion 51 is formed on the inner surface of the corner portion between the front wall 811 and the right wall 814 and extends in the up-down direction. As shown in FIG. 14 , the upper end of the container-side exhaust passage portion 51 extends The upper ends of the front wall 811 and the right wall 814 are flush with the upper end surfaces of the front wall 811 and the right wall 814 , and the lower ends extend to the position connected to the first bottom wall 821 . The cross-sectional shape of the container-side exhaust passage portion 51 cut in the horizontal direction is substantially fan-shaped. In addition, the exhaust port 52 is formed in the shower device 9, and by attaching the shower device 9 to the upper end surface of the side wall 81 of the water storage container 8, the exhaust port 52 is located at the upper end of the container-side exhaust path portion 51, The exhaust port 52 will be described in detail later. In the vicinity of the lower end of the container-side exhaust passage portion 51, an exhaust passage connection portion 55 is provided so as to protrude forward from the outer surface of the front wall 811, and the exhaust port 52 is connected via the container-side exhaust passage portion 51 and the exhaust passage. The part 55 and the part of the exhaust passage 5 other than the container side exhaust passage part 51 communicate with the air pump 2 . During the suction operation of the spin-drying process, the air pump 2 is operated, and the air in the laundry treatment tank 1 and the water storage device 4 is discharged through the exhaust port 52, the container-side exhaust path portion 51, the exhaust path connection portion 55, and the exhaust port 52. The portion of the air passage 5 other than the container-side exhaust passage portion 51 is sucked into the air pump 2 .

In addition, the container-side exhaust passage portion 51 is not necessarily formed at the corner portion between the front wall 811 and the right wall 814, but may be formed at the corner portion between the other side walls 81, or may be formed at the front wall 811 and the rear wall. 812 , the left wall 813 , and the right wall 814 can be appropriately changed according to the relative positional relationship between the water storage device 4 and the air pump 2 . That's it. In addition, the container side exhaust passage portion 51 is not necessarily formed on the inner surface of the side wall 81 , but may be formed on the outer surface of the side wall 81 , but by forming the container side exhaust passage portion 51 on the inner surface of the side wall 81 , Compared with the structure formed on the outer surface of the side wall 81 , it is more advantageous to realize the miniaturization of the water storage device 4 , and at the same time, it is possible to avoid interference between the container-side exhaust path portion 51 and other members. In addition, the cross-sectional shape of the container-side exhaust passage portion 51 cut in the horizontal direction does not necessarily have to be substantially fan-shaped, and may be, for example, substantially rectangular, substantially trapezoidal, substantially triangular, substantially semicircular, or the like.

As shown in FIGS. 2 and 4 , a first detection electrode mounting portion 831 is formed on the outer surface of the front wall 811 of the water storage container 8 , and the first detection electrode mounting portion 831 is located slightly higher than the inner surface of the first bottom wall 821 8211 location. The first detection electrode mounting portion 831 is formed with a through hole penetrating the inside and outside of the water storage container 8 . In addition, as shown in FIG. 13 , the first detection electrode 71 is formed of a conductive metal, and includes a flat plate portion 711 and electrode posts 712 erected from the flat plate portion 711 . In a state where the first detection electrode 71 is attached to the first detection electrode attachment portion 831 , the electrode column 712 of the first detection electrode 71 is inserted into the through hole of the first detection electrode attachment portion 831 and exposed to the water storage device 4 .

In addition, a second detection electrode attachment portion 832 is formed on the outer surface of the right wall 814 of the water storage container 8 , and the second detection electrode attachment portion 832 is located above the first detection electrode attachment portion 831 . In addition, the second detection electrode mounting portion 832 is provided close to the exhaust port 52 , and is provided at a position lower than the exhaust port 52 . Like the first detection electrode mounting portion 831 , the second detection electrode mounting portion 832 has a through hole penetrating through the inside and outside of the water storage container 8 . In addition, like the first detection electrode 71 , the second detection electrode 72 is formed of a conductive metal, and includes a flat plate portion and an electrode column erected from the flat plate portion. In the state where the second detection electrode 72 is attached to the second detection electrode attachment portion 832, the electrode column of the second detection electrode 72 is inserted into the through hole of the second detection electrode attachment portion 832, and is exposed to the water storage device 4, In addition, the second detection electrode 72 is provided close to the exhaust port 52 , and is provided at a position lower than the exhaust port 52 .

The first detection electrode 71 and the second detection electrode 72 constitute the liquid level detection device 7 . When the liquid level in the water storage device 4 reaches the installation position of the second detection electrode 72, the wash water 12 and/or the foam 13 are used to separate the electrode column 712 of the first detection electrode 71 and the electrode column of the second detection electrode 72 between the electrode column 712 of the first detection electrode 71 and the electrode column of the second detection electrode 72. As a result, the control unit determines that the liquid level in the water storage device 4 has reached the maximum allowable liquid level height.

In addition, the first detection electrode 71 does not have to be attached to the front wall 811 of the water storage container 8 , and the second detection electrode 72 does not have to be attached to the right wall 814 of the water storage container 8 , and both of them may be attached to the water storage container 8 . The front wall 811 of the water storage container 8 can also be installed on the right wall 814 of the water storage container 8. In addition, when the position of the exhaust port 52 is changed, the attachment positions of the first detection electrode 71 and the second detection electrode 72 may be changed accordingly. In addition, other detection electrodes may be installed between the first detection electrode 71 and the second detection electrode 72 to perform multi-stage detection of the liquid level in the water storage device 4 .

2-2. Spray device

As shown in FIGS. 2 and 4 , the spray device 9 is provided above the water storage container 8 for spraying water into the water storage device 4 to remove the foam 13 in the water storage device 4 . Like the water storage container 8, the shower device 9 is preferably formed of a material such as transparent resin or plastic.

As shown in FIGS. 6 to 7 , the spray device 9 has: a spray water introduction port 91 , through which the spray water enters the spray device 9 ; a water separation structure 92 , which includes a first water separation branch Road 921 and second diversion branch 922, the spray water entering from the spray water inlet 91 is guided and branched to the first diversion branch 921 and the second diversion branch 922 respectively; and the water outlet structure 93, It includes a first water outlet structure 931 and a second water outlet structure 932. The first water outlet structure 931 is located in an area close to the spray water inlet 91, and the spray water of the first water branch branch 921 passes through the first water outlet structure 931 to the water storage. For spraying in the device 4 , the second water outlet structure 932 is located in an area away from the spray water inlet 91 , and the spray water of the second water branch branch 922 is sprayed into the water storage device 4 through the second water outlet structure 932 .

Specifically, as shown in FIG. 2 , FIG. 4 , and FIG. 6 , the shower device 9 has a shower plate 90 provided above the water storage container 8 . The water container 8 is substantially the same, and has a substantially L-shape with the left rear corner missing. A plurality of shower plate side fixing portions 96 are formed on the outer periphery of the shower plate 90 , and the plurality of shower plate side fixing portions 96 are formed by placing the shower plate 90 on the upper end surface of the side wall 81 of the water storage container 8 . The shower plate 90 can be attached to the container-side fixing portions 86 provided on the upper end of the side wall 81 of the water storage container 8 by aligning the shower plate-side fixing portions 96 and the container-side fixing portions 86 with screws or the like. It is fixed to the water storage container 8 . In addition, as shown in FIG. 7 , on the lower surface of the shower plate 90, a plurality of positioning ribs 97 are formed along the outer periphery. The shower plate 90 is positioned. As shown in FIG. 15 , in a state where the shower plate 90 is fixed to the water storage container 8 , the plurality of positioning ribs 97 are respectively located on the inner side of the inner surface of the side wall 81 of the water storage container 8 . In addition, a seal ring (not shown) is interposed between the lower surface of the shower plate 90 and the upper end surface of the side wall 81 of the water storage container 8 . Specifically, as shown in FIG. 5 , an annular sealing groove 815 is formed on the upper end surface of the side wall 81 of the water storage container 8 along the entire circumference, and is fitted into the sealing groove 815 when the water storage device 4 is assembled. The annular sealing ring seals between the lower surface of the shower plate 90 and the upper end surface of the side wall 81 of the water storage container 8 .

As shown in FIG. 6 , the water separation structure 92 is formed by the ribs 94 erected upward from the upper surface of the shower plate 90 . The rib 94 includes an annular rib 940 , a first rib 941 , and a second rib 942 . The annular rib 940 is formed in a closed loop along the outer periphery of the shower plate 90 , and the area surrounded by the annular rib 940 is a substantially L-shaped shape similar to that of the shower plate 90 , and this area becomes the shower of the shower device 9 . Area where water is sprayed. The shower water inlet 91 is provided at a position close to the front corner of the left rib portion of the annular rib 940, communicates with the area surrounded by the annular rib 940, and introduces the shower water into the area. The first rib 941 and the second rib 942 are formed in the area surrounded by the annular rib 940 , and both are substantially L-shaped in plan view. The first rib 941 includes a first left and right rib portion 9411 extending rightward from the vicinity of the shower water introduction port 91, and a first front and rear rib portion 9412 that is bent in the middle and extends rearward and is connected to the annular rib 940. The second rib 942 includes second left and right rib portions 9421 extending rightward from the vicinity of the shower water inlet 91 , and second front and rear rib portions 9422 bent in the middle to extend rearward and connected to the annular rib 940 . The first left and right rib portions 9411 and the second left and right rib portions 9421 are substantially parallel, and the first left and right rib portions 9411 are located behind the second left and right rib portions 9421; The front and rear rib portion 9412 is positioned to the left of the second front and rear rib portion 9422 .

The first water diversion branch 921 is formed by dividing the left side part of the rear rib portion of the annular rib 940 and the first rib 941, and the through shower plate 90 is formed in substantially the entire area of the first water diversion branch 921. There are a plurality of spray holes 930, these spray holes 930 constitute the first water outlet structure 931. Moreover, the rib 94 which divides and forms the 1st water diversion branch path 921 is formed with one or more protrusion parts 95 which protrude into the 1st water diversion branch path 921. As shown in FIG. Specifically, a first protrusion 951 protruding rearward is formed on the first left and right rib portions 9411 of the first rib 941 , and is formed at a portion of the rear side rib portion of the annular rib 940 facing the first left and right rib portions 9411 . There is a second protruding portion 952 protruding forward. The first protruding portion 951 and the second protruding portion 952 are staggered in the left-right direction, and the first protruding portion 951 is located on the left side of the second protruding portion 952 . The first protruding portion 951 and the second protruding portion 952 are used to make the first water diversion branch 921 in a serpentine shape to prevent the spray water from flowing only along the rib 94 and only from the spray hole 930 close to the rib 94 . , the amount of spray water sprayed from each spray hole 930 can be more uniform. The protruding portion 95 does not necessarily have to include the first protruding portion 951 and the second protruding portion 952 , and only one of the two may be provided, or may be provided in addition to the first protruding portion 951 and the second protruding portion 952 other protrusions.

The second water diversion branch 922 is formed by the first rib 941 , the second rib 942 and the right part of the rear side rib part of the annular rib 940 , and the first front and rear rib part in the second water diversion branch 922 is formed. A plurality of shower holes 930 penetrating the shower plate 90 are formed in the area between the 9412 and the second front and rear rib portions 9422 , and these shower holes 930 constitute the second water outlet structure 932 . In addition, the rib 94 further includes a partition rib 943, the partition rib 943 is erected upward from the upper surface of the shower plate 90, and the first front and rear rib portions 9412 and the second front and rear rib portions 9422 are provided in the second water diversion branch path 922. In the area between, and the separation rib 943 is not connected with other ribs 94 . The second water diversion branch 922 is divided into a third water diversion branch 923 and a fourth diversion branch 924 by the dividing rib 943 , and the third water diversion branch 923 and the fourth water diversion branch 924 are separated by the dividing rib 943 Both the upstream side and the downstream side are communicated.

In addition, the density of the spray holes 930 in the first water outlet structure 931 is lower than the density of the spray holes 930 in the second water outlet structure 932 . This is because the flow of the shower water becomes weaker as the distance from the shower water inlet 91 increases, and the density of the shower holes 930 increases at a position away from the shower water inlet 91 , which is advantageous in directing the shower water to the Guided at a position away from the spray water inlet 91 , the amount of spray water sprayed from the spray holes 930 of the first water outlet structure 931 can be equal to the amount of spray water sprayed from the spray holes 930 of the second water outlet structure 932 amount is more uniform. In addition, instead of the structure of changing the density of the spray holes 930, or on the basis of changing the density of the spray holes 930, the diameter of the spray holes 930 in the first water outlet structure 931 can also be made smaller than that in the second water outlet structure 932. The diameter of the spray hole 930 . By changing the hole diameter of the shower hole 930, the same effect as the above can be achieved.

Further, the plurality of spray holes 930 of the first water outlet structure 931 are arranged in such a manner that the density increases as the distance from the spray water inlet 91 increases, and the plurality of spray holes 930 of the second water outlet structure 932 are arranged with It arrange|positions so that a density may increase away from the shower water introduction port 91. In addition, instead of changing the density of the spray holes 930, or on the basis of changing the density of the spray holes 930, the plurality of spray holes 930 of the first water outlet structure 931 can also be made to move away from the spray water inlet 91 is arranged to increase the diameter, and the plurality of spray holes 930 of the second water outlet structure 932 are arranged so that the diameter increases as the distance from the shower water introduction port 91 increases.

In addition, as shown in FIGS. 7 and 14 to 15 , the shower holes 930 protrude downward with respect to the lower surface of the shower plate 90 . Specifically, on the lower surface of the shower plate 90 , an annular peripheral wall 9301 is formed around each of the shower holes 930 so as to extend the length of each of the shower holes 930 , thereby preventing the spray in the shower holes 930 . The shower water spreads along the lower surface of the shower plate 90 and cannot effectively form the shower water flow.

As shown in FIG. 6 , the water diversion structure 92 further includes a fifth water diversion branch 925 , which is formed by dividing the front and right rib parts of the annular rib 940 and the second rib 942 . The water outlet structure 93 further includes a side wall water flow forming port 933 , and the side wall water flow forming port 933 is located between the right rib portion of the annular rib 940 and the second front and rear rib portions 9422 of the second rib 942 in the fifth branch channel 925 . During this time, a substantially rectangular opening is formed through the shower plate 90 . The shower water entering from the shower water introduction port 91 is guided to the side wall water flow forming port 933 by the fifth branch water branch 925 , thereby forming the side wall 81 ( Specifically, it is the side wall water flow that flows into the water storage container 8 from the right wall 814 ).

In addition, as shown in FIGS. 2 and 4 , the upper part of the shower device 9 is covered with a first cover body 44 , and the first cover body 44 is formed in a plate shape and is substantially L-shaped in plan view. Like the water storage container 8 , the first lid body 44 is preferably formed of a material such as transparent resin or plastic. By attaching the first cover body 44 to the upper end surface of the rib 94 , the lower surface of the first cover body 44 abuts the upper end surfaces of the annular rib 940 , the first rib 941 , the second rib 942 and the partition rib 943 , respectively. Regarding the joining method between the first cover body 44 and the rib 94, for example, a method such as snap connection, screw fixation, adhesive bonding, welding, etc. can be used. .

The operation of the shower device 9 will be described below with reference to FIGS. 8 to 10 . Fig. 8 shows the state of the water flow when the inlet pressure of the shower water is high. At this time, the spray water entering from the spray water inlet 91 is branched into three branches by the action of the ribs 94, and is directed to the first branch water branch 921, the second branch water branch 922, and the fifth branch water branch, respectively. 925 Boot. The spray water introduced into the first water diversion branch 921 forms a vortex-shaped water flow under the action of the first protruding portion 951 and the second protruding portion 952, and flows through each spray hole 930 of the first water outlet structure 931 while flowing. The spray water flow is sprayed into the water storage container 8 . The spray water introduced into the second water diversion branch 922 is further branched into two branches by the partition ribs 943 and guided to the third water diversion branch 923 and the fourth water diversion branch 924, respectively. The spray water introduced into the third branch water branch 923 and the spray water introduced into the fourth branch branch 924 are sprayed into the water storage container 8 through each spray hole 930 of the second water outlet structure 932 while flowing. water flow. In addition, the excess portion of the spray water introduced into the fourth branch water branch 924 flows back toward the third branch water branch 923 on the downstream side of the partition rib 943 to supplement the spray water in the third branch water branch 923 . The jet water introduced into the fifth branch water branch 925 flows down along the side wall 81 of the water storage container 8 through the side wall water flow forming port 933 to form a side wall water flow.

FIG. 9 shows the water flow state when the inlet pressure of the spray water is low, and only the difference from FIG. 8 will be described here. Due to the low water inlet pressure, the spray water introduced into the first water branch branch 921 forms a dispersed and flowing water flow, and sprays into the water storage container 8 through each spray hole 930 of the first water outlet structure 931 while flowing. water flow. In addition, the excess portion of the spray water introduced into the third branch water branch 923 flows toward the fourth branch water branch 924 on the downstream side of the partition rib 943 , thereby supplementing the spray water in the fourth branch water branch 924 .

As shown in FIG. 10 , the spray water flow sprayed into the water storage container 8 through the spray holes 930 of the first water outlet structure 931 and the second water outlet structure 932 is sprayed on the foam 13, and the foam 13 is sprayed under the action of the spray water flow. Break up, and the larger foam turns into several fine foams. In addition, the side wall water flow that flows down the side wall 81 of the water storage container 8 through the side wall water flow forming port 933 flows along the bottom wall 82 of the water storage container 8, and the washing water 12 accumulated in the water storage container 8 A tumbling water flow is formed in the middle, and the disintegrated foam 13 is drawn into the washing water 12 under the action of the tumbling water flow, and then discharged from the drainage path 48 through the drainage valve 49 .

In addition, the above-mentioned shower device 9 may be appropriately changed. For example, other branch water channels for forming the spray water flow can also be added in addition to the first water diversion branch 921 and the second water diversion branch 922; the fifth water diversion branch 925 can also be omitted, and only the first water diversion branch can be formed. The water diversion branch 921 and the second water diversion branch 922 ; the dividing rib 943 may also be omitted, and the second water diversion branch 922 is not divided into the third water diversion branch 923 and the fourth water diversion branch 924 .

Further, for example, as shown in FIG. 11 , the first branch water passage 921 and the second branch water passage 922 (specifically, the third branch water passage 923 ) may be communicated on the downstream side in the flow direction of the shower water. . Specifically, the first front-rear rib portion 9412 of the first rib 941 is not connected to the rear-side rib portion of the annular rib 940 , and a space between the first front-rear rib portion 9412 and the rear-side rib portion of the annular rib 940 is formed. An opening through which the first branch water channel 921 communicates with the third branch water channel 923 . With this structure, the spray water of the first branch water channel 921 and the third branch water channel 923 can be supplemented with each other, which is beneficial to spray the spray water flow more uniformly.

In addition, as shown in FIGS. 6 and 12 , an exhaust port forming portion 98 is provided in the vicinity of the right front corner of the shower plate 90 , and the exhaust port forming portion 98 is provided with the exhaust port 52 and the defoaming portion 53 . , Auxiliary exhaust port 54 .

Specifically, in the vicinity of the right front corner portion of the shower plate 90, the exhaust port 52 is dug so as to penetrate the shower plate 90, and the exhaust port 52 has a substantially fan shape. The auxiliary exhaust port 54 includes a first auxiliary exhaust port 541 and a second auxiliary exhaust port 542 , and both the first auxiliary exhaust port 541 and the second auxiliary exhaust port 542 have a substantially right-angled triangle shape. On the left side of the exhaust port 52 , a first auxiliary exhaust port 541 penetrating the shower plate 90 is excavated near the exhaust port 52 ; Pass through the second auxiliary exhaust port 542 of the shower plate 90 . The portion of the shower plate 90 remaining between the exhaust port 52 and the first auxiliary exhaust port 541 becomes the first spacer bar portion 981 , and the remaining portion of the shower plate 90 between the exhaust port 52 and the second auxiliary exhaust port 542 The portion in between becomes the second spacer bar portion 982 . The upper and lower surfaces of the first isolation strip portion 981 and the second isolation strip portion 982 are flush with the upper and lower surfaces of the shower plate 90 . On the upper surface of the shower plate 90 , an annular wall portion 983 is formed to protrude upward so as to surround the exhaust port 52 , the first auxiliary exhaust port 541 , and the second auxiliary exhaust port 542 , and the annular wall portion 983 is formed in a plan view. The portion 983 has a substantially isosceles right triangle shape.

In addition, as shown in FIGS. 2 and 4 , the second cover body 45 is covered above the exhaust port forming portion 98 , and the second cover body 45 is formed in a plate shape and has a substantially isosceles right triangle shape in plan view. Like the water storage container 8 , the second lid body 45 is preferably formed of a material such as transparent resin or plastic. By attaching the second cover body 45 to the upper end surface of the annular wall portion 983 , the lower surface of the second cover body 45 is in contact with the upper end surface of the annular wall portion 983 . Regarding the joining method between the second cover body 45 and the annular wall portion 983, for example, a method such as snap connection, screw fixation, adhesive bonding, welding, etc. can be adopted. wait method.

As shown in FIGS. 14 and 16 , in a state where the shower plate 90 is attached to the water storage container 8 and the second cover 45 is attached to the annular wall portion 983 , the lower surface of the shower plate 90 is in contact with the storage tank 8 . The upper end surface of the side wall 81 of the water container 8, the lower surfaces of the first spacer bar portion 981 and the second spacer bar portion 982 are in contact with the upper end surface of the container side exhaust passage portion 51, and the upper end surface of the annular wall portion 983 is in contact with each other. connected to the lower surface of the second cover 45 . Thereby, the exhaust port 52 is located at the upper end of the container-side exhaust passage portion 51 and communicates with the container-side exhaust passage portion 51 , and the first auxiliary exhaust port 541 and the second auxiliary exhaust port 542 face downward toward the water storage device 4 . The inside is open, and the exhaust port 52 passes through the gap between the upper surface of the first spacer bar portion 981 and the second spacer bar portion 982 and the lower surface of the second cover 45 , the first auxiliary exhaust port 541 and the second auxiliary row The air port 542 opens into the water storage device 4 . In addition, since the water inlet 32 is located below the shower plate 90 and the air outlet 52 is provided on the shower plate 90 , the height of the air outlet 52 is higher than that of the water inlet 32 .

In addition, the number of the auxiliary exhaust ports 54 does not necessarily have to be two as described above, and may be one, or three or more. In short, it is sufficient to provide one or more auxiliary exhaust ports 54 .

In addition, on the upper surfaces of the first spacer bar portion 981 and the second spacer bar portion 982, four cylindrical protrusions are formed to protrude upward, and the protrusion height of these protrusions is slightly lower than the annular wall. The protrusion height of the portion 983 is determined, and these raised portions constitute the defoaming portion 53 . Thereby, the defoaming part 53 is provided in the position close to the exhaust port 52 in the water storage device 4, that is, the defoaming part 53 is provided between the auxiliary exhaust port 54 and the exhaust port 52. Specifically, when the air pump 2 is operated during the suction operation of the dehydration process, there is a risk that the foam 13 will be sucked into the air pump 2 together with the air through the exhaust port 52 and the exhaust path 5, and if the foam 13 enters the air pump 2 , the suction action may not be performed smoothly, and may even cause the air pump 2 to malfunction. By providing the above-mentioned protrusions, before the foam 13 enters the exhaust port 52 , the foam 13 will collide with the protrusion and rupture, thereby eliminating the foam 13 and preventing the foam 13 from entering the exhaust port 52 , thereby serving as the defoaming portion 53 Play a role.

Moreover, in the defoaming part 53, it is preferable that the space|interval between adjacent convex parts is 1 mm or less. In this way, the foam 13 with a diameter greater than 1 mm can be effectively prevented from entering the exhaust port 52. On the other hand, the diameter of the foam 13 floating with the air is usually greater than 1 mm, so most of the foam 13 can be effectively prevented from entering the exhaust. inside the mouth 52.

In addition, the number of the convex parts which comprise the defoaming part 53 is not limited to four, One may be sufficient as it, and several other than four may be sufficient. In short, the number of protrusions may be one or more. In addition, the shape of a convex part does not necessarily need to be a cylindrical shape, and other shapes, such as a polygonal column shape and a polygonal pyramid shape, may be sufficient.

In addition, the defoaming part 53 may be formed by one or more slits or holes. Specifically, for example, the upper surfaces of the first spacer bar portion 981 and the second spacer bar portion 982 may be respectively formed to protrude upward along the first spacer bar portion 981 and the second spacer bar portion 982 . A plate-shaped part, and one or more slits extending in the vertical direction or one or more holes are provided in the plate-shaped part. Like the protrusions, the width of the slit is preferably 1 mm or less, and the hole diameter of the hole is preferably 1 mm or less.

In addition, as shown in FIGS. 4 and 7 , the baffle plate 6 is extended downward from the lower surface of the shower plate 90 . Specifically, the baffle 6 includes a first baffle 61 and a second baffle 62 . The first baffle plate 61 is plate-shaped and extends in the front-rear direction as a whole. In order to adapt to the arrangement of the shower holes 930 , a bent portion is provided in the middle of the front-rear direction. The second baffle plate 62 has a flat plate shape and extends in the left-right direction. In the state where the shower plate 90 is installed on the water storage container 8 , as shown in FIG. 14 , the first baffle 61 is located between the water inlet 32 and the exhaust port 52 in the water storage device 4 , thereby preventing the water from the water inlet. The washing water 12 and/or the foam 13 in the washing water 12 introduced into the water storage device 4 32 enters the exhaust port 52 . In addition, as shown in FIG. 16 , the second baffle 62 is located between the side wall water flow forming port 933 and the exhaust port 52 , thereby preventing the spray water from entering the exhaust port 52 . In addition, the first baffle 61 and the second baffle 62 can also prevent the washing water 12 and/or the foam 13 and the shower water from splashing on the second detection electrode 72 , thereby preventing false detection by the liquid level detection device 7 .

In addition, the baffle plate 6 does not necessarily include the first baffle plate 61 and the second baffle plate 62, for example, the second baffle plate 62 may be omitted.

The present invention has been described above with reference to the embodiments. However, the present invention is not limited to the above-described embodiments. For example, the components described in this specification can be combined arbitrarily, and other embodiments realized by excluding some of the components can also be used as the embodiments of the present invention. In addition, modifications obtained by applying various modifications that can be conceived by those skilled in the art to the above-described embodiments are also included in the present invention within the scope not departing from the gist of the present invention, that is, the meanings expressed by the terms described in the claims. middle.

Claims (11)

1. A household appliance device is characterized in that,

the household appliance device is provided with a water storage device,

the water storage device has: a water storage container, the upper surface of which is open, and a space for storing used washing water and/or foam in the washing water is formed inside the water storage container; the water inlet is used for introducing used washing water and/or foam in the washing water into the water storage container; a water outlet through which the washing water and/or the foam in the water storage container can be discharged out of the household appliance device; and a spraying device arranged above the water storage container and used for spraying water into the water storage device to remove foams in the water storage device,

the spraying device is provided with:

the spray water inlet is used for allowing spray water to enter the spraying device through the spray water inlet;

a water diversion structure including a first water diversion branch and a second water diversion branch, wherein the spray water entering from the spray water inlet is guided to the first water diversion branch and the second water diversion branch respectively to be branched; and

the water outlet structure comprises a first water outlet structure and a second water outlet structure, the first water outlet structure is located in an area close to the spray water inlet, the spray water of the first water diversion branch is sprayed into the water storage device through the first water outlet structure, the second water outlet structure is located in an area far away from the spray water inlet, and the spray water of the second water diversion branch is sprayed into the water storage device through the second water outlet structure.

2. Household appliance apparatus according to claim 1,

the spraying device is provided with a spraying plate arranged above the water storage container,

the water diversion structure is formed by a rib which is vertically arranged from the upper surface of the spraying plate to the upper direction.

3. Household appliance apparatus according to claim 2,

the first water outlet structure comprises a plurality of spraying holes which penetrate through the spraying plate in the first water diversion branch,

the second water outlet structure comprises a plurality of spraying holes which penetrate through the spraying plate in the second water dividing branch.

4. Household appliance arrangement according to claim 3,

the density of the spraying holes in the first water outlet structure is less than that of the spraying holes in the second water outlet structure; and/or

The aperture of the spraying hole in the first water outlet structure is smaller than that of the spraying hole in the second water outlet structure.

5. Household appliance apparatus according to claim 2,

the rib dividing the first water dividing branch is provided with more than one protruding part protruding into the first water dividing branch.

6. Household appliance arrangement according to claim 1,

the first water diversion branch and the second water diversion branch are communicated at the downstream side of the flowing direction of the spray water.

7. Household appliance apparatus according to claim 2,

the second water diversion branch is provided with a partition rib which is vertically arranged from the upper surface of the spraying plate upwards, the second water diversion branch is divided into a third water diversion branch and a fourth water diversion branch by the partition rib, and the third water diversion branch is communicated with the fourth water diversion branch on the upstream side and the downstream side of the partition rib.

8. Household appliance apparatus according to claim 1,

the drain opening is arranged close to the bottom wall of the water storage container, and the inner surface of the bottom wall of the water storage container is formed by more than one inclined surface which inclines downwards along with the direction towards the drain opening.

9. A household appliance apparatus according to any one of claims 2-5, 7,

the water diversion structure also comprises a fifth water diversion branch formed by dividing ribs vertically arranged upwards from the upper surface of the spraying plate,

the water outlet structure also comprises a side wall water flow forming port which is arranged in the fifth water dividing branch and penetrates through the spraying plate,

the shower water entering from the shower water inlet is also guided to the side wall water flow forming port by the fifth water branch passage, so that side wall water flow flowing into the water storage container along the side wall of the water storage container is formed at a position away from the water outlet.

10. Household appliance apparatus according to claim 9,

the household appliance device further has: a washing treatment tank for storing laundry and washing water, the water storage device being communicated with the washing treatment tank via a dehydration path; and a suction unit which is communicated with the water storage device through an exhaust path and sucks the washing water in the washing treatment tank into the water storage device,

the water storage device is also provided with an air outlet which is opened to the inside of the water storage device, the suction part is communicated with the air outlet through the air outlet path,

the water storage device is provided with a baffle between the exhaust port and the side wall water flow forming port, and the baffle extends downwards from the lower surface of the spraying plate.

11. Household appliance apparatus according to claim 10,

the household appliance apparatus is a laundry treating apparatus,

the laundry treatment apparatus has: a laundry treatment tank having a bottomed tubular shape, the laundry treatment tank being the washing treatment tank; a laundry treating tub sealing member for sealing the laundry treating tub; and an air pump that is the suction portion.

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