JP2021119931A - Washing machine - Google Patents

Abstract

To provide a washing machine which, when water leaks out of a water supply part, can inhibit the water from leaking to an outside of the washing machine, while improving designability.SOLUTION: A washing machine includes: a housing; an outer tub provided inside the housing; a water tub into which laundry is put; a lid body which covers an inlet through which the laundry is put; a top cover for fixing the lid body; a tank which is arranged behind the lid body and can store washing liquid; and a water supply part for supplying water to a washing/dewatering tub. The tank is arranged between the lid body and the water supply part. The top cover includes a tank accommodation part for accommodating the tank. A water flow passage is formed in a range from the water supply part to the tank accommodation part.SELECTED DRAWING: Figure 4

Description

The present invention relates to a washing machine for washing laundry.

Conventionally, as a washing machine, there is a vertical type washing machine in which rotary blades are rotatably arranged in a water tub and the water tub is rotationally driven around a rotating shaft to wash, rinse, dehydrate, and dry clothes.

In recent years, it is equipped with a washing treatment liquid injection device that can measure the washing treatment liquid such as detergent and fabric softener (finishing agent) stored in the tank and automatically charge an appropriate amount of the washing treatment liquid into the water tank (washing and dehydration tank). The washing machine is known.

Patent Document 1 discloses that, as a washing treatment liquid charging device that can be automatically charged, a detergent charging device that allows the hopper portion, which is a tank, to be attached and detached is provided at the rear portion of the lid and at a position parallel to the water supply portion. Has been done.

Japanese Unexamined Patent Publication No. 2002-58895

In the configuration disclosed in Patent Document 1, a removable detergent input device and a water supply unit connected to a water faucet are arranged side by side, but the water supply unit is visible to the user and the detergent input device. Is protruding from the housing, so there is no sense of unity in the entire washing machine, and the design is impaired.

However, if the water supply unit is placed behind the detergent inlet in consideration of the design, if water leaks from the water supply unit, it may be delayed to notice and the water may leak out of the washing machine. be.

An object of the present invention is to provide a washing machine capable of preventing water from leaking to the outside of the washing machine when water leaks from the water supply unit while improving the design.

In order to achieve the above object, the washing machine of the present invention includes a housing, an outer tub provided in the housing, a water tub into which laundry is charged, and a lid covering a loading port into which laundry is charged. It has a top cover for fixing the lid, a tank arranged behind the lid and capable of storing washing liquid, and a water supply unit for supplying water to the washing and dehydrating tank. The tank has a lid and water supply. Arranged between the parts, the top cover has a tank storage part for storing the tank, and a water flow channel is formed from the water supply part to the tank storage part.

According to the present invention, it is possible to provide a washing machine capable of preventing the water from leaking to the outside of the washing machine when the water leaks from the water supply unit while improving the design.

It is a perspective view of the washer-dryer which concerns on 1st Embodiment of this invention. It is a figure which shows one side surface of the washer-dryer which concerns on 1st Embodiment of this invention. It is a figure which shows the AA cross section of FIG. It is a perspective view of the top cover of the washer-dryer of this invention. It is a top view of the top cover of the washer / dryer of this invention. It is a figure which shows the BB cross section of FIG.

Hereinafter, an example of an embodiment for carrying out the present invention (hereinafter referred to as “the embodiment”) will be described in detail with reference to the drawings as appropriate. In each figure, the same reference numerals are given to common parts, and duplicate description will be omitted. Further, in the following description, the directions of up, down, left, right, front and back are based on the directions of up, down, left, right, front and back shown in FIG.

FIG. 1 is a perspective view schematically showing the overall configuration of the washing machine 1 according to the present embodiment, FIG. 2 is a side view of the washing machine 1, and FIG. 3 is a cross-sectional view taken along the line AA in FIG. Is.

As shown in FIGS. 2 and 3, the washing machine 1 provided with the base 9 is provided via a housing 2 and a hanging rod 23 provided in the housing 2 and provided with a support means provided with a spring and damping. It is provided with an outer tub 18 for storing washing water, a water tub 30 which is a washing / dehydrating tub into which laundry is charged, a lid 11 which covers an inlet for inserting laundry, and an inner lid 15 which is a door. .. A housing 2 formed by combining a steel plate and a resin molded product is placed on the upper portion of the base 9 to form a washer / dryer main body. The housing 2 is provided with a foot portion 10 for placing on the floor.

A lid 11 for covering the slot for putting in and taking out clothes, a top cover 5 for fixing the lid 11, and a front cover 21 are provided on the front surface of the housing 2. Since the lid shaft portion 17 is provided on the upper surface of the top cover 5, the lid 11 can be freely opened and closed. A tank storage unit 33 that stores the tank 29 above the top cover 5, and a detergent treatment liquid automatic charging mechanism that is arranged behind the lid 11 and charges a washing treatment liquid (washing liquid) such as a detergent liquid or a softener liquid. 27 and a drying duct 24 for drying clothes are provided. Behind the detergent treatment liquid automatic charging mechanism 27 is connected to a water supply unit 4 that supplies water to the washing / dehydrating tank.

Further, the washing machine 1 is arranged between the lid 11 and the water supply unit 4 when the washing treatment liquid tank cover 28 (detergent liquid tank cover 28a, softener liquid tank cover 28b) is opened, and is an automatic washing treatment liquid charging mechanism. A tank 29 (detergent liquid tank 29a, softener liquid tank 29b) for accommodating the detergent treatment liquid of 27 is arranged. The detergent treatment liquid automatic charging mechanism 27 is a mechanism for measuring the detergent liquid and the softening agent liquid contained in the tank 29 and automatically charging an appropriate amount of the detergent liquid and the softening agent liquid into the water tank 30. The detergent treatment liquid automatic charging mechanism 27 includes a tank 29 for accommodating a plurality of times of the washing treatment liquid and a transfer pump (not shown) for transporting the washing treatment liquid. The transport pump (not shown) functions as a transport means for measuring the washing treatment liquid contained in the tank 29 and transporting one washing treatment liquid from the inside of the tank 29 to the outside.

A water supply unit 4 (not shown) connected to the water supply unit via a hose is provided on the upper surface behind the rear side of the detergent treatment liquid automatic charging mechanism 27. A water supply solenoid valve 26 is connected to the water supply unit 4, and water is supplied according to an instruction from the control system. As an example, a quintuple valve that supplies water in five directions as a water supply solenoid valve 26 will be described. The first is a washing water supply solenoid valve, which is connected to a water supply inlet and supplies water into the outer tank 18. The second is a detergent water supply solenoid valve, which is connected to the detergent inlet of the detergent case (not shown). The third is a shower water supply solenoid valve, which is connected to the outer tank 18. The fourth is connected to a dehumidifying mechanism (not shown). The fifth is a mist switching valve, which is connected to a drying unit (not shown).

The rear side of the lid 11, that is, the back surface of the housing 2, is covered with the back cover 6, and the handle portion 7 is provided on the side surface of the housing 2.

The lid 11 is provided on the upper part of the top cover 5. The lid 11 is provided with a lid glass 12 and a lid handle 3 for the operator to attach fingers along the front side of the lid 11, and the other part is for turning on / off the power switch 22. A switch for selecting an operation course such as washing and drying and an operation panel 14 for displays were provided.

The upper surface of the outer tank 18 is covered with the tank cover 32. A laundry inlet 13 is opened in a range of about two-thirds from the front side of the tub cover 32, and is covered by an inner lid 15. The inner lid 15 is supported by an inner lid support shaft 16 provided behind the inner lid 15, and the inner lid 15 is unlocked (not shown) and opened by lifting the handle portion 31. When the handle portion 31 is pushed downward after closing the inner lid 15, the handle portion 31 is locked.

The rubber bellows tube 25 is used for connecting the outer tank 18 and the tank cover 32 that vibrate and displace with the water supply solenoid valve 26 and the drying duct 24 provided in the fixed housing 2 and the top cover 5. There is. The so-called washing machine in the present embodiment is for washing and drying clothes with the following configuration.

Inside the outer tub 18 for storing washing water, a rotatably supported water tub 30 is provided coaxially with the outer tub 18, and a rotary wing 19 having an uneven surface is rotatably provided on the bottom surface of the water tub 30. .. The rotary blade 19 and the water tank 30 are configured to be selectively rotationally driven by a driving means such as a driving motor 20.

The upper surface of the rotary wing 19 is provided with irregularities, and the washing water is agitated and the laundry charged on the upper surface of the rotary wing 19 is given a component force in the vertical direction or the rotational direction to perform washing. The outer tank 18 and the rotary blade 19 are selectively rotationally driven by an electromagnetically operated clutch (not shown) via a reduction mechanism from, for example, an inverter type drive motor 20 which is a drive mechanism. That is, a washing drive mode in which the rotary blade 19 is repeatedly rotated in the forward and reverse directions with the water tank 30 stopped or freely rotatably opened by controlling the drive motor 20 and the electromagnetically operated clutch (not shown). It is possible to switch between a dehydration drive mode in which the water tank 30 and the rotary blade 19 are integrated and continuously rotate in the same direction.

Further, a detergent water supply means for supplying water to the detergent inlet and introducing the detergent charged into the detergent inlet to the bottom of the outer tank 18, a water supply unit 4 for supplying water to the outer tank 18, and a water supply unit 4 in the outer tank 18. A drainage unit 8 that drains the washing water to the outside of the washing machine, a washing water circulation means that draws up the washing water on the bottom surface of the outer tub 18 and drops it on the laundry from the upper part of the water tub 30, and sucks in the high humidity air inside the outer tub 18. Dehumidifying means for drying the laundry by blowing low humidity air into the water tank after dehumidifying with water, driving means, water supply part 4, drainage part 8, washing water circulation means, and dehumidifying means. It is provided with a control means for driving and controlling.

In the washing process, water is supplied to the outer tub 18 to dissolve the detergent supplied to the bottom surface of the outer tub 18 to generate a high-concentration detergent solution. A high-concentration detergent solution is circulated by the washing water circulation means so as to fall on the laundry from the upper part of the water tank, and the rotary wing is rotated in the forward and reverse directions. The laundry is washed by the component force in the direction and the stirring of the washing water.

In the rinsing process, after draining the washing water, tap water is supplied, and the tap water is circulated so as to fall on the laundry from the upper part of the water tank by the washing water circulation means, and the rotating wings are rotated in the forward and reverse directions to wash the rotating wings and the washing. Rinsing is performed to push out the detergent component adhering to the laundry by stirring the washing water and the frictional force generated between the object and the component force in the vertical direction generated by the unevenness.

Then, in the drying step, the rotary blade 19 is rotated in the forward and reverse directions to suck out the high-humidity air inside the outer tub 18, dehumidified by water cooling, and then heated, and the laundry is circulated while being blown into the outer tub 18 again to dry the laundry. Let me.

As shown in FIGS. 1 to 3, the top cover 5 assembles a tank 29 capable of filling a washing treatment liquid such as a detergent liquid and a softener liquid behind the upper surface, and a water supply solenoid valve 26.

FIG. 4 is a slope view of the top cover 5 according to the embodiment of the present invention. FIG. 6 is a cross-sectional view taken along the line BB in FIG.

As shown in FIGS. 4 to 6, the water supply unit 4 descends toward the tank storage unit 33, that is, from the water supply solenoid valve receiving hole 35 of the top cover 5 toward the front (the side where the tank 29 is arranged). The first flow channel means 36, which is a flow channel inclined to the surface, is formed.

As shown in FIG. 6, the first flow channel means 36 of the top cover 5 can be made lower than the upper surface of the water supply solenoid valve receiving hole 35. That is, the height from the bottom surface of the housing 2 to the bottom surface of the tank storage unit 33 is lower than the height from the bottom surface of the housing 2 to the water supply unit 4, so that the water flowing through the first flow channel means 36 is a tank. It flows to the storage unit 33 side. By providing such a height difference, even if water leaks from the water supply unit 4 from the top cover 5, water flows to the front side via the first flow channel means 36 and is outside the washing machine (water supply unit). No water leaks to 4) on the side opposite to the tank storage portion 33. Further, since the tank storage unit 33 is provided with the second flow channel means 38 which is a discharge port for discharging water, water can flow to the outer tank 18 by connecting to the outer tank 18. Further, since the tank storage surface 33 of the top cover 5 is shallow, the user can easily clean it by hand.

In the present invention, by providing the water flow path from the water supply unit 4 to the tank storage unit 33 in this way, the design of the lid 11 and the tank 29 is improved, and water leaks from the water supply unit 4. In addition, it is possible to provide a washing machine capable of preventing the water from leaking out of the washing machine.

1 washing machine
2 housing
3 Lid handle 4 Water supply part 5 Top cover 6 Back cover 7 Handle part 8 Drain part 9 Base 10 Foot 11 Lid 12 Lid glass 13 Laundry inlet 14 Operation panel 15 Inner lid 16 Inner lid support shaft 17 Lid shaft 18 Outer tank 19 Rotating blade 20 Drive motor 21 Front cover 22 Power switch 23 Hanging rod 24 Drying duct 25 Bellows pipe 26 Water supply electromagnetic valve 27 Detergent treatment liquid automatic charging mechanism 28 Washing treatment liquid tank cover 28a Detergent liquid tank cover 28b Softener liquid Tank cover 29 Tank 29a Detergent liquid tank 29b Softener liquid tank 30 Water tank 31 Handle 32 Tank cover 33 Tank storage surface 34 Softener liquid tank receiving hole 35 Water supply electromagnetic valve receiving hole 36 First flow channel means 37 Detergent liquid tank receiving hole 38 Second flow channel means

Claims (4)

With the housing
The outer tank provided in the housing and
The water tank where the laundry is put and
A lid covering the slot for loading the laundry and
The top cover that fixes the lid and
A tank located behind the lid and capable of containing washing liquid,
It has a water supply unit that supplies water to the washing / dehydrating tank.
The tank is arranged between the lid and the water supply unit.
The top cover has a tank storage portion for storing the tank.
A washing machine characterized in that a water flow channel is formed from the water supply unit to the tank storage unit. The washing machine according to claim 1.
A washing machine in which the height from the bottom surface of the housing to the bottom surface of the tank storage portion is lower than the height from the bottom surface of the housing to the water supply portion. The washing machine according to claim 1 or 2.
The tank storage unit is a washing machine having a discharge port for discharging water. The washing machine according to claim 3.
The discharge port is connected to the outer tank and
A washing machine in which water discharged from the discharge port flows to the outer tub.

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