JP2000233096A - Inlet device for liquid detergent and softener in washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To put in proper amounts of liquid detergent and softener at an optimum time without affected by a flow rage from the water supply passage in a liquid detergent and softener inlet device for a washing machine which has the liquid detergent and the softener put into its washing tub. SOLUTION: A case 24 having a liquid detergent box 26 having a liquid detergent inlet part 25 and a liquid softener box 27 for putting in the liquid softener is removably accomodated in a water supply device 29, and the water is supplied into a washing tub from a water supply port 30 through the case. The case 24 has a clearance 28 between the liquid detergent box 26 and the softener box 27.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for supplying a liquid detergent and a softening agent in a washing machine for putting a liquid detergent and a softening agent into a washing tub.

[0002]

2. Description of the Related Art Heretofore, a liquid detergent and softener dosing device in this type of washing machine has been configured as shown in FIGS. Hereinafter, the configuration will be described.

As shown in FIG. 4, an outer frame 1 has an outer box 2
And an outer tub 5 that includes the washing tub 3 and covers the upper part with the cover 4 is suspended from the upper corner inside the outer frame 1.
The washing tub 3 has a plurality of small holes 3 a, and has a cover 4 that covers the upper part of the outer tub 5. A large opening 2a is formed in the center of the outer box 2, and a cover 6 is provided so as to be freely opened and closed.

[0004] A liquid detergent and softener charging device 7 is for charging a liquid detergent and a softener. As shown in FIG. 5, a case 10 having a liquid detergent charging portion 8 and a softener charging portion 9 is provided.
And a water injection device 13 that houses the case 10 so as to be able to be pulled out, and injects water into the washing tub 3 through the case 10 from the water supply paths 11 and 12.

As shown in FIG. 6, a water injection device 13 allows water to be injected into a liquid detergent charging portion 8 in a case 10 through a plurality of holes 15 from a water injection portion 14 communicating with a water supply path 11 and is shown in FIG. As described above, water can be injected from the water injection section 16 communicating with the water supply path 12 to the softener charging section 9 in the case 10 through the plurality of holes 17.

The liquid detergent charging section 8 is provided with a substantially cylindrical cleaning liquid charging section 18 communicating with the lower surface of the inner bottom, and the upper portion and the periphery of the cleaning liquid charging section 18 are separated by a cap 19 via a gap. Covering. Further, the softener charging section 9 is provided with a substantially cylindrical cleaning agent charging section 20 communicating with the lower surface of the inner bottom, and the upper portion and the periphery of the cleaning agent charging section 20 are covered with a cap 21 via a gap. ing.

In the above configuration, when using a liquid detergent, the case 10 is pulled out, the liquid detergent is introduced into the liquid detergent introduction section 8, and the case 10 is stored in the water injection device 13 as shown in FIG. In this state, supply the tap water
When the water is supplied to the water injection section 14 from 1, the supplied water is injected into the liquid detergent input section 8 through the plurality of holes 15, and while the liquid detergent in the liquid detergent input section 8 is diluted, the liquid passes through the path shown by the arrow a. The water overflows from the detergent charging section 8 and flows through the water inlet 22 into the washing tub 3 together with the liquid detergent.

When the water injection from the water supply path 11 is completed, the cleaning liquid containing the liquid detergent remaining in the liquid detergent charging section 8 is discharged from the path indicated by the arrow b according to the siphon principle, and flows into the liquid detergent charging section 8. Go through the exit 8c and fill the water inlet 22
The water is poured into the washing tub 3.

Here, the principle of the siphon will be described. When water is injected from a plurality of holes 15 and the water level rises to the inner upper surface c of the cap 19, the cleaning liquid containing the liquid detergent starts to fall from inside the liquid detergent charging section 8. . At this time, the falling cleaning liquid functions to suck up the cleaning liquid in the liquid detergent input section 8 and discharges all the cleaning liquid in the liquid detergent input section 8 in a chain.

Next, when a softener is used, the case 10 is pulled out, and the softener is charged into the softener charging section 9;
As shown in FIG. 7, the case 10 is housed in the water injection device 13. In this state, when tap water is supplied from the water supply path 12 to the water injection section 16 at the time of rinsing, the supplied water is supplied to the plurality of holes 17.
The water is further poured into the softener charging section 9, and while softening the soft detergent in the softener charging section 9, it overflows from the softener charging section 9 through the path shown by the arrow “a”, and is softened into the washing tub 3 through the water inlet 22. Water is injected with the agent.

When the water injection from the water supply path 12 is completed, the cleaning liquid containing the softener remaining in the softener charging section 9 is discharged from the path indicated by the arrow b according to the siphon principle.
Water is poured into the washing tub 3 from the water inlet 22 through the outlet 9c of the softener charging section 9.

[0012]

In such a conventional construction, when the liquid detergent is supplied, when the water is supplied to the water injection section 14, the supplied water is supplied from the plurality of holes 15 to the liquid detergent input section 8.
When the flow rate from the water supply path 11 is large, the overflowing water and the water containing the detergent overflow from the liquid detergent introduction section 8, and as shown by an arrow d in FIG. Flow into

When a softener is charged into the softener input section 9 in order to use the softener at the time of rinsing, the softener is supplied to the softener input section 9 by overflowing water or water containing detergent. The softener in the agent charging section 9 is injected into the washing tub 3 through the water inlet 22. For this reason, there was a problem that the softener could not be supplied at a regular time.

If the flow rate is small,
When the water is supplied, the supplied water is injected from a plurality of holes 15 into the liquid detergent inlet 8, but the water does not reach the lower surface of the liquid detergent inlet 8, and only the supernatant liquid flows out by a siphon phenomenon. There is a problem that a liquid detergent having a high viscosity remains on the lower surface of the charging section 8.

Further, the detergent input section 1 of the liquid detergent input section 8
Although the thread rib 23 is provided on the outer surface of the cleaning member 8 and the cap 19 for causing a siphon phenomenon is fixed by press-fitting, it is difficult to press-fit the thread rib 23 and the cap 19 on the outer surface of the cleaning agent introduction portion 18. However, if the insertion is difficult, or if the insertion is weak, the cap 19 will float and the siphon phenomenon will not work.

The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a liquid detergent and a softener which can be supplied at an appropriate time at an appropriate time without being influenced by a flow rate from a water supply path. The purpose is.

It is a second object of the present invention to enable the cap to be set at an appropriate position even when the cap is not inserted at a proper position, so that the liquid detergent and the softener can be supplied without remaining. I have.

[0018]

According to the present invention, in order to achieve the first object, a case having a liquid detergent box having a liquid detergent charging section and a softener box for charging a liquid softener is provided in a water injection device. It is configured to be housed so as to be able to be pulled out and to pour water into the washing tub from a water inlet through a case, and the case has a space provided between a liquid detergent box and a softener box.

Thus, the appropriate amount of the liquid detergent and the softener can be supplied at the appropriate time without being influenced by the flow rate from the water supply path.

In order to achieve the second object,
A case having a liquid detergent box having a liquid detergent charging section and a softener box for charging a liquid softener is housed in the water injection device so as to be able to be pulled out, and water is poured into the washing tub through the case from the water inlet, and the liquid detergent is configured. The box and the softener box each have a substantially cylindrical cleaning agent charging portion communicating with the lower surface of the inner bottom portion, and a cap that covers an upper portion and a periphery of the cleaning material charging portion with a gap therebetween. When inserted into the cap, the upper surface or a part of the cap is pressed down by the water injection device.

Accordingly, even when the cap is not inserted in the proper position, the case can be stored in the water injection device, so that the cap can be set at an appropriate position, and the liquid detergent and the softener do not remain. Can be put in.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention provides a case having a liquid detergent box having a liquid detergent input section and a softener box for inputting a liquid softener, and this case can be pulled out. A water injection device for storing and pouring water into the washing tub from the water inlet through the case, wherein the case is provided with a space between the liquid detergent box and the softener box,
When the flow rate from the water supply path is high, the water overflowing from the liquid detergent box having the liquid detergent input section flows down into the space, and the water flows from the liquid detergent box to the softener box into which the liquid softener is supplied. It is possible to prevent the liquid detergent and the softener from being injected at an appropriate time and at an appropriate amount.

According to a second aspect of the present invention, in the first aspect, the water injection device is located in a space between the liquid detergent box and the softener box when the case is stored in the water injection device. When the flow rate from the water supply path is large, the water overflowing from the liquid detergent box having the liquid detergent input section flows down to the space through the shielding rib, and flows from the liquid detergent box. Water can be prevented from flowing into the softener box into which the liquid softener is charged, and the appropriate amount of liquid detergent or softener can be charged at the right time.

According to a third aspect of the present invention, there is provided a case having a liquid detergent box having a liquid detergent input section and a softener box for inputting a liquid softener, and a case in which the case is housed so as to be able to be pulled out and a water inlet is provided through the case. A water injection device for injecting more water into the washing tub, wherein the liquid detergent box and the softener box each have a substantially cylindrical cleaning agent input section communicating with the lower surface of the inner bottom thereof, and an upper portion of the cleaning agent input section and A cap that covers the periphery with a gap therebetween, and when the case is inserted into the water injection device, the upper surface or a part of the cap is pressed by the water injection device, and the cap is inserted into a regular position. Even if it is not done, by storing the case in the water injection device, the cap can be set at an appropriate position, and the liquid detergent and the softener can be introduced without remaining.

According to a fourth aspect of the present invention, there is provided a case having a liquid detergent box having a liquid detergent input section and a softener box for inputting a liquid softener, and a case in which the case is retractably housed and a water inlet is provided through the case. A water injection device for injecting more water into the washing tub, wherein the liquid detergent box and the softener box each have a substantially cylindrical cleaning agent input section communicating with the lower surface of the inner bottom thereof, and an upper portion of the cleaning agent input section and A cap that covers the periphery with a gap therebetween, and a collar portion is provided on the upper surface of the cap, and the collar portion is configured to cover at least half of the liquid detergent box and the softener box. By agitating the water between the inner bottom of the detergent box or softener box, rather than letting the supernatant flow out of the upper surface, the liquid detergent or softener on the lower surface of the liquid detergent box or softener box is stirred, and the liquid detergent is removed. It can flow without the leaving the softener.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the collar provided on the upper surface of the cap has a shape substantially similar to the planar shape of the liquid detergent box and the softener box. The water between the cap and the inner bottom of the liquid detergent box or the softener box can be efficiently and reliably stirred, and the water can be flowed without leaving the liquid detergent or softener.

According to a sixth aspect of the present invention, in the fourth or fifth aspect of the present invention, the collar provided on the upper surface of the cap has ribs provided on the entire lower periphery of the outer periphery.
The water between the cap and the inner bottom of the liquid detergent or softener box can be stirred more efficiently and reliably, and can flow without leaving any liquid detergent or softener.

[0028]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) As shown in FIG.
4 is a liquid detergent box 26 having a liquid detergent input 25,
It has a softener box 27 into which a liquid softener is charged, and a space 28 is provided between the liquid detergent box 26 and the softener box 27. The water injection device 29 stores the case 24 so as to be able to be pulled out, and injects water into a washing tub (not shown) from the water inlet 30 through the case 24. When the case 24 is stored in the water injection device 29, the liquid detergent box 26 The shielding rib 31 is disposed so as to be located in the space 28 between the softener box 27 and the softener box 27. The water supply path 32 is for supplying water to the liquid detergent box 26 in the case 24, and the water supply path 33 is for supplying water to the softener box 27 in the case 24.

In the above configuration, when a liquid detergent and a softener are used, the case 24 is pulled out, the liquid detergent is put into the liquid detergent input section 25 of the liquid detergent box 26, and the softener is put into the softener box 27. And stored in the water injection device 29. In this state, when tap water is supplied from the water supply path 32, the supplied water is poured into the liquid detergent box 26, and while the liquid detergent in the liquid detergent box 26 is diluted, the liquid detergent is supplied to the washing tub through the water inlet 30. It is poured with water.

At this time, when the flow rate from the water supply path 32 is large, the overflowed water and the water containing the detergent overflow from the liquid detergent box 26, but the water overflowing from the liquid detergent box 26 travels along the shielding rib 31. As a result, it is possible to prevent water from flowing down into the space 28 and flowing from the liquid detergent box 26 to the softener box 27.

Therefore, the overflowing water causes the softener box 27
When the tap water is supplied from the water supply path 33 at the time of rinsing without the softener flowing out of the inside, the supplied water is poured into the softener box 27, and while the softener in the softener box 27 is diluted, the water inlet is supplied. The water is poured into the washing tub together with the softener through 30.

As described above, even when the flow rate is large, it is possible to prevent water from flowing from the liquid detergent box 26 to the softener box 27 into which the softener is to be charged, so that the liquid detergent and the softener can be supplied at an appropriate time. , An appropriate amount can be supplied.

In this embodiment, the shielding rib 31 is provided in the water injection device 29 so as to be located in the space 28 between the liquid detergent box 26 and the softener box 27. May not be required.

(Embodiment 2) As shown in FIG. 2, a liquid detergent box 26 is provided in a case 24 together with a softener box (not shown), and the case 24 is It is stored so that it can be pulled out. This liquid detergent box 2
Reference numeral 6 designates a substantially cylindrical cleaning agent supply section 34 communicating with the lower surface of the inner bottom thereof, and the upper portion and the periphery of the cleaning agent charging section 34 are covered by a cap 35 via a gap. The cap 35 has a liquid detergent introduction section 25 and a projection 36 provided on an upper surface substantially above the detergent introduction section 34.

The water injection device 29 is provided with a contact portion 37 at a position facing the convex portion 36, and when the case 24 is inserted into the water injection device 29, the convex portion 36 provided on the upper surface of the cap 35 is provided in the water injection device 29. Pressed by the contact portion 37
, And is inserted into a regular position. Other configurations are the same as those in the first embodiment.

In the above configuration, when the case 24 is inserted into the water injection device 29 in a state where the cap 35 is not inserted into the cleaning agent charging portion 34 at the proper position, the contact portion 37 provided on the water injection device 29 causes the upper surface of the cap 35 to be closed. Convex part 3 provided in
6 is pressed, and the cap 35 is pressed down and inserted into a regular position. The operation of adding the liquid detergent is the same as the conventional example, and the description is omitted.

As described above, even when the cap 35 is not inserted at the proper position, the case 24 is kept
, The cap 35 can be set in a proper position, the cleaning liquid containing the liquid detergent remaining in the liquid detergent box 26 can be discharged by the siphon principle, and the liquid detergent is supplied without remaining. can do.

In this embodiment, the liquid detergent box 26 into which the liquid detergent is charged has been described. However, the softener box 27 into which the softener is charged can be similarly configured.
The soft detergent can always be introduced without remaining.

(Embodiment 3) As shown in FIG. 3, a liquid detergent box 26 is provided in a case 24 together with a softener box 27, and the case 24 is It is stored so that it can be pulled out. The liquid detergent box 26 is provided with a substantially cylindrical cleaning agent charging portion 34 communicating with the lower surface of the inner bottom portion, and the upper portion and the periphery of the cleaning agent charging portion 34 are covered by a cap 35 via a gap. The cap 35 has a flange 38 on its upper surface.
Has a shape substantially similar to the planar shape of the liquid detergent box 26,
It is configured to cover at least half of the liquid detergent box 26. Further, ribs 39 are provided on the entire lower periphery of the outer periphery of the collar portion 38.

The softener box 27 is provided with a substantially cylindrical cleaning agent charging section 40 communicating with the lower surface of the inner bottom thereof.
The upper part and the periphery of 0 are covered with a cap 41 via a gap. The cap 41 has a flange 42 on the upper surface. The collar 42 has a shape substantially similar to the planar shape of the softener box 27 and covers at least half of the softener box 27. Further, ribs 43 are provided on the entire lower periphery of the outer periphery of the collar portion 42. Other configurations are the same as those in the first or second embodiment.

In the above configuration, when using a liquid detergent, the case 24 is pulled out, the liquid detergent is introduced into the liquid detergent input section 25 of the liquid detergent box 26, and the case 24 is stored in the water injection device 29. In this state, supply the tap water
When the water is supplied to the water injection section 44 from the second water supply water, the supplied water is injected into the liquid detergent box 26 through the plurality of holes 45 and the liquid detergent box 26 is supplied.
While the liquid detergent inside is being diluted, water is poured into the washing tub through the water inlet 30 together with the liquid detergent.

At this time, the liquid detergent box 2 is
The water injected into 6 flows around the lower portion of the flange 38 of the cap 35 as shown by the dashed arrow, and by stirring the water between the cap 35 and the inner bottom of the liquid detergent box 26, Instead of flowing out the supernatant liquid from the upper surface, the liquid detergent on the lower surface of the liquid detergent box 26 can be stirred so that the liquid detergent can be flown without leaving.

Since the collar 38 provided on the upper surface of the cap 35 has a shape substantially similar to the planar shape of the liquid detergent box 26, water between the cap 35 and the inner bottom of the liquid detergent box 26 can be efficiently discharged. , Can be stirred reliably, and can be flowed without leaving liquid detergent.

Further, by providing a rib 39 on the entire lower periphery of the outer periphery of the collar portion 38, the lower portion of the collar portion 38 of the cap 35 is connected to the rib 39 as shown by an arrow in FIG. It flows around the cap, and the cap 3
The water between 5 and the inner bottom of the liquid detergent box 26 can be stirred more efficiently and reliably, and the liquid detergent can be flown without leaving.

When a softener is used, case 2
4 is drawn out, the softener is put into the softener box 27, and the case 24 is stored in the water injection device 29. In this state, when tap water is supplied from the water supply path 33 to the water injection section 46, the supplied water is injected into the softener box 27 through the plurality of holes 47, and while the softener in the softener box 27 is being diluted, the water injection port is provided. The water is poured into the washing tub together with the softener through 30.

At this time, the softener box 27 is
Is poured around the lower portion of the flange portion 42 of the cap 41 as shown by the dashed arrow, and the water between the cap 41 and the inner bottom portion of the softener box 27 is stirred to thereby remove the supernatant. Instead of flowing the liquid from the top,
The softener on the lower surface of the softener box 27 can be stirred and allowed to flow without leaving the softener.

[0048]

As described above, according to the first aspect of the present invention, a case having a liquid detergent box having a liquid detergent charging section and a softener box for charging a liquid softener, And a water injection device for injecting water into the washing tub from the water inlet through the case and the case is provided with a space between the liquid detergent box and the softener box. When the flow rate is high, the water overflowing from the liquid detergent box having the liquid detergent input section flows down into the space, thereby preventing the water from flowing from the liquid detergent box to the softener box into which the liquid softener is input. The liquid detergent and the softening agent can be supplied at an appropriate time and at an appropriate amount.

According to the second aspect of the present invention, the water injection device is provided with the shielding rib so as to be located in the space between the liquid detergent box and the softener box when the case is stored in the water injection device. Therefore, when the flow rate from the water supply path is large, the water overflowing from the liquid detergent box having the liquid detergent input section flows down through the shielding ribs to the space, and the liquid softener is supplied from the liquid detergent box. Water can be prevented from flowing into the box, and a proper amount of liquid detergent or softener can be added at a proper time.

According to the third aspect of the present invention, a case having a liquid detergent box having a liquid detergent charging section and a softener box for charging a liquid softener, and this case is housed so that it can be pulled out. A water injection device for injecting water into the washing tub from a water inlet through a case, wherein the liquid detergent box and the softener box have a substantially cylindrical cleaning agent input section communicating with a lower surface of an inner bottom thereof; and the cleaning agent input section. And a cap that covers the upper part and the periphery of the cap with a gap therebetween, and when the case is inserted into the water injection device, the upper surface or a part of the cap is pressed by the water injection device, so that the cap is positioned at a proper position. Even when not inserted, the cap can be set at an appropriate position by storing the case in the water injection device, and the liquid detergent and softener can be supplied without remaining.

According to the fourth aspect of the present invention, a case having a liquid detergent box having a liquid detergent input section and a softener box for inputting a liquid softener, and this case is housed so as to be able to be pulled out. A water injection device for injecting water into the washing tub from a water inlet through a case, wherein the liquid detergent box and the softener box have a substantially cylindrical cleaning agent input section communicating with a lower surface of an inner bottom thereof; and the cleaning agent input section. A cap that covers the upper part and the periphery of the cap with a gap therebetween, and a collar is provided on the upper surface of the cap, and the collar is configured to cover at least half of the liquid detergent box and the softener box. Stir the liquid detergent or softener on the underside of the liquid detergent box or softener box by stirring the water between the liquid detergent box or the inner bottom of the softener box and flowing without leaving the liquid detergent or softener. It can be.

According to the fifth aspect of the present invention, since the collar provided on the upper surface of the cap has a shape substantially similar to the planar shape of the liquid detergent box and the softener box, the cap and the liquid detergent box are formed. Alternatively, the water between the inner bottom portion of the softener box and the water can be efficiently and reliably stirred, and the liquid detergent or the softener can be flowed without leaving.

According to the sixth aspect of the present invention, since the rib provided on the upper surface of the cap is provided with ribs on the entire lower periphery of the outer periphery, the cap and the inner bottom of the liquid detergent box or the softener box are provided. The water in between can be stirred more efficiently and reliably, and can be flowed without leaving a liquid detergent or softener.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a liquid detergent and softener charging device in a washing machine according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a liquid detergent and softener charging device in a washing machine according to a second embodiment of the present invention.

FIG. 3 is a sectional view of a liquid detergent and softener charging device in a washing machine according to a third embodiment of the present invention.

FIG. 4 is a partially cutaway perspective view of a washing machine provided with a liquid detergent and softener charging device in a conventional washing machine.

FIG. 5 is an exploded perspective view of a liquid detergent and softener charging device in the washing machine.

FIG. 6 is a cross-sectional view of a liquid detergent input section of the liquid detergent and softener input device in the washing machine.

FIG. 7 is a cross-sectional view of a softener charging section of the liquid detergent and softener charging device in the washing machine.

FIG. 8 is a cross-sectional view of a liquid detergent and softener charging device in the washing machine.

[Explanation of symbols]

 24 case 25 liquid detergent input part 26 liquid detergent box 27 softener box 28 space part 29 water injection device 30 water inlet

Claims (6)

[Claims] 1. A case having a liquid detergent box having a liquid detergent input section and a softener box into which a liquid softener is input, and this case is retractably housed, and water is poured into the washing tub from the water inlet through the case. A water injection device, wherein the case is a device for charging a liquid detergent and a softener in a washing machine in which a space is provided between the liquid detergent box and the softener box. 2. The liquid in the washing machine according to claim 1, wherein the water injection device is provided with a shielding rib so as to be located in a space between the liquid detergent box and the softener box when the case is housed in the water injection device. Detergent and softener dosing device. 3. A case having a liquid detergent box having a liquid detergent input section and a softener box for inputting a liquid softener, and this case is retractably housed, and water is poured into the washing tub from the water inlet through the case. A liquid injection box, and the liquid detergent box and the softener box cover a substantially cylindrical cleaning agent charging portion communicating with a lower surface of an inner bottom portion thereof, and an upper portion and a periphery of the cleaning agent charging portion via a gap. A liquid detergent and softener charging device for a washing machine, comprising: a cap; and when the case is inserted into the water injection device, an upper surface or a part of the cap is pressed by the water injection device. 4. A case having a liquid detergent box having a liquid detergent charging section and a softener box for charging a liquid softener, and this case is retractably housed, and water is poured into the washing tub from the water inlet through the case. A liquid injection box, and the liquid detergent box and the softener box cover a substantially cylindrical cleaning agent charging portion communicating with a lower surface of an inner bottom portion thereof, and an upper portion and a periphery of the cleaning agent charging portion via a gap. A liquid detergent and softener input device for a washing machine, comprising: a cap; and a collar provided on an upper surface of the cap, wherein the collar covers at least half of the liquid detergent box and the softener box. 5. The liquid detergent and softener charging device according to claim 4, wherein the collar provided on the upper surface of the cap has a shape substantially similar to the planar shape of the liquid detergent box and the softener box. 6. The washing machine according to claim 4, wherein the collar provided on the upper surface of the cap has ribs provided on the entire lower periphery of the outer periphery.