JPS6363496A - Detergent feeder of washing machine - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a detergent supply device for a washing machine, etc., for supplying detergent, particularly powdered detergent, to a detergent receiving section of a washing machine, etc.

(Prior Art) Conventionally, as shown in Japanese Patent Publication No. 54-43827, a detergent supply device for a washing machine or the like used for supplying this kind of powdered detergent has been used to quantify the amount of powdered detergent stored and stored in a hopper. There is a method of dispensing it one by one, storing it once, and then discharging it and supplying it. However, in this product, before the powder detergent is supplied, what is being done to solve the problem that washing machines and other equipment that handle water tend to harden due to moisture and moisture? This has resulted in the problem that detergent often clogs and does not provide smooth and reliable supply.

On the other hand, as shown in Japanese Patent Publication No. 42-18769, for example, there is a system in which powder detergent stored in a hopper is delivered by rotating a screw-like detergent delivery member. According to this device, as mentioned above, powdered detergent that hardens easily can be rubbed and fed using the screw-like detergent delivery member, and thus it can be fed more smoothly, reliably, and more conveniently than the above-mentioned device. . However, the powder detergent still tends to clog and cannot be supplied smoothly and reliably.

(Problems to be Solved by the Invention) As described above, none of the conventional detergents has been able to supply powdered detergent sufficiently smoothly and reliably.

Therefore, it is an object of the present invention to provide a detergent supply device for a washing machine or the like that can dispense powder detergent sufficiently smoothly and reliably.

[Structure of the Invention] (Means for Solving the Problems) A detergent supply device for a washing machine or the like according to the present invention includes a detergent storage section that accommodates and stores powdered detergent, and a detergent storage section at the lower end of the detergent storage section. The detergent delivery unit is provided with a detergent delivery unit, a detergent delivery member rotatably housed and disposed in the detergent delivery unit, and a drive device for rotationally driving the detergent delivery member, further comprising: When the inner diameter is D1 and the outer diameter of the detergent delivery member is d, the dimensional relationship between them is 1 [mmi
≦(D-d)≦5 [This is characterized by being determined by Ryuko.

(Function) According to the above means, basically, the detergent delivery member rotates to rub and finely powder detergent stored in the detergent storage portion while feeding it through the detergent delivery portion. And 1 between the detergent delivery section and the detergent delivery member [gap]≦(D-d)≦
Due to the dimensional relationship of 5 [mml], the powder detergent can be supplied more smoothly and reliably.

(Example) An example in which the present invention is applied to a detergent supply device for a washing machine will be described below with reference to the drawings.

First, the main body 1 of the washing machine shown in its entirety in FIG. 2 has an outer shell formed by attaching a cover 3 to an outer box 2, and a lid 4 is pivotally mounted on the upper cover 3 so that it can be opened and closed. In addition to
An operation panel 5 is provided at the front edge of the lid 4,
A platform 6 is provided at the rear edge. The platform part 6 is provided with an operating knob 7 for setting the water level at the right end in the figure, and an operating knob 8 for setting the amount of detergent on the left side thereof. A hopper set port 9 is formed from the left side of the operation knob 8 to the left end of the platform 6, and a cross section V is formed below the hopper set port 9 as shown in FIG.
A hopper receiving portion 10 is formed which is shaped like a letter and whose both ends are open as shown in FIG.

The hopper receiving part 10 houses a hopper 11, which is a detergent storage part, whose lower part is formed into a V-shaped cross section to match the hopper receiving part 10, and whose both sides are also formed obliquely, through the hopper set opening 9. At the same time, the claw part 12 formed on the left side of the hopper 11 in FIG. It is elastically engaged with the right side edge of the mouth 9 to prevent the hopper 11 from falling off. On the other hand, hopper 1
A lid 15 is pivotally mounted on the top opening of the hopper 1 so that it can be opened and closed by a shaft 16 at the rear end (see Fig. 3), and the inside of the hopper 11 has a plurality of protrusions 17 that protrude in the front and back direction. It also has a large number of protrusions 18 that protrude outward from the periphery.
The stirring member 20 with multiple lights 9 and the shaft 21 are connected to the hopper 11.
It is rotatably supported and placed between the front and back. Further, at the lower end of the hopper 11, there is a detergent delivery section 2 extending from the inside of the hopper 11 to a cylindrical portion projecting outwardly on the right side in FIG.
2, and the outlet 23 at the tip thereof is connected to the platform part 6.
The upper surface of the receiving plate 24 disposed inwardly faces the detergent receiving portion 25 approximately in the center thereof. The upper surface of the receiving plate 24 also serves as a water supply channel, and as shown in FIG. 5, it is provided so as to gradually descend toward a supply port 26 at the tip facing a washing tub (not shown) inside the outer box 2. A water supply valve 27 is disposed at the uppermost rear end portion.

A coiled detergent delivery member 28 is rotatably housed in the detergent delivery unit 22 over its entire length as shown in FIG.
8 is engaged with the detergent delivery member 28. Here, D shown in FIG. 1 is the inner diameter of the detergent delivery part 22, and d
is the outer diameter of the detergent delivery member 28, and for these, 1/2 of the difference is 1 [11 or more and 5 [am1 or less],
In short, it is determined based on the dimensional relationship of 1 mm ≦ (D-d) ≦ 5.

As shown in FIG. 4, a transmission shaft 29 to which the base end of the detergent delivery member 28 is engaged is inserted into the end of the detergent delivery section 22 opposite to the outlet 23, and this transmission shaft A connector 30 is attached to the end of 29 opposite to the detergent delivery member 28. ° And corresponding to the connector 30, the platform 6
A motor 31, which is a driving device, is attached to the inner surface of the left side in FIG. There is.

Now, in the case of the device constructed as described above, when using it, first open the lid 15 of the hopper 11 as shown by the two-dot chain line in FIG.
4, then close the lid 15 and add the powdered detergent 34.
is stored in the hopper 11. Then, when the necessary switches on the operation panel 5 are operated to wash the clothes, the motor 31 is energized before washing starts, and the energized motor 31 starts, so its rotational force is transmitted from the rotating shaft 32. It is transmitted to the transmission shaft 29 through the engagement structure between the pin 33 and the connector 30, and further transmitted to the transmission shaft 29.
9 to the detergent delivery member 28. In this way, the detergent delivery member 28 is driven to rotate, particularly in a so-called spiral direction, and the detergent delivery member 28, which has been rotationally driven in this manner, moves while contacting the powdered detergent 34 in the hopper 11, thereby discharging the powder. While finely dissolving the detergent 34, the inside of the detergent delivery section 22 is passed through the outlet 23.
and exit from the exit 23 as shown by arrow A in FIGS. 4 and 5. The powdered detergent 34 thus dispensed is received by a detergent receiving portion 25 on the receiving plate 24, and is supplied to this detergent receiving portion 25 through a water supply valve 27 as shown by arrow B in FIG. It is flushed with water, and is supplied together with the water from the supply port 26 into a washing tank (not shown).

In particular, in the case of this embodiment, the above-mentioned water starts flowing before the powdered detergent 34 falls onto the detergent receiving part 25, and
Make sure to continue pouring even after completing step 4,
This not only prevents the powdered detergent 34 from directly adhering to the laundry and prevents it from yellowing or becoming stained, but also allows the powdered detergent 34 to flow out from the detergent receiver 25 without leaving any residue, thereby preventing any build-up. I try not to let it happen.

Furthermore, regarding the rotation of the motor 31 and the delivery of the powdered detergent 34 by the detergent delivery member 28, the amount of time and the delivery amount can be adjusted according to the type of the powdered detergent 34 and the degree of soiling of the laundry by operating the control knob 8. so that it can be adjusted. In addition, in this case, the adjustment of the delivery amount by the operation knob 8 refers to a supplement to a predetermined basic delivery amount, and the basic delivery amount is determined according to the water level set by the operation of the operation knob 7. . Further, when the detergent delivery member 28 is rotated as described above, the stirring member 2 engages one of the protrusions 18 with the detergent delivery member 28.
0 rotates so that its protrusions 18 are sequentially engaged with the detergent delivery member 28, thereby stirring the powder detergent 34 in the hopper 11, loosening any lumps of powder detergent 34, and displacing the detergent delivery member 28. We are making sure that the introduction to 22 is carried out smoothly.

Here, FIG. 6 shows the experimental results by the inventor of the apparatus for supplying the powdered detergent 34 as described above, and shows the difference between the inner diameter of the detergent delivery section 22 and the outer diameter d of the detergent delivery member 28. The change in the time until the motor 31 locks with respect to the difference in size of 1/2 of the difference, that is, (D-d)/2, is shown by the white circle in the figure, and the change in the amount of detergent delivered is shown by the black circle. There is. That is, when the detergent delivery member 28 rotates as described above and delivers the powdered detergent 34, the powdered detergent 34 is
4 against the inner wall surface of the detergent delivery section 22, thereby compressing the powder detergent 34, and as is clear from FIG. As a result, the time from the start of operation of the motor 31 until it locks becomes extremely short. On the other hand, if the dimension of (D-d)/2 exceeds 5 mm, the time until the motor 31 locks becomes longer, but the powder detergent 34 increases by +1
The number of outputs per hour will be drastically reduced.

By the way, the maximum washing water level in a washing machine is usually 4g [
On the other hand, powder detergent 34 is the type that requires the most amount, and normally requires 50 rgJ for a water outlet of 30 [1,], so for a water volume of 48 [<], the ratio is 8.
0rgJ powder detergent 34 is required. In addition, the water supply amount per unit time of the water supply device in a washing machine is at most 25 [(/win]) even in the best conditions, so the maximum washing water level in the above washing machine is 48 [(]). It takes about 2 [minutes] to finish supplying the detergent. By the way, as mentioned above, it is convenient to let water flow into the detergent receiving part 25 while the detergent is being supplied. ] must be finished supplying 8'OrgJ of powdered detergent 34 required for the amount of water; therefore, 40 [g/w
in] of the powdered detergent 34 per unit time, and this is satisfied when the dimension (D-d)/2 is set to 5 [mml or less in Fig. 6]. It was determined that (D-d)/2≦5 [rhyme]. On the other hand, if we supply the powdered detergent 34 for 2 minutes as described above for - times of washing, and if we paddle once a day, then 90 times will result in 180[9]
The detergent supply time is 1 hour, that is, 3 [hours], and the motor 31 locks during this 3 [hours] as shown in Fig. 6 (D-d).
/2 is set to 1[IIIl], which is equivalent to washing 90 loads of laundry for 90 times, so in short, the motor 31 locks up in 3 months, eliminating the need for cleaning. It means to occur. However, if it is less than that, the number of cleaning increases and is troublesome, so it is desired to limit the cleaning to once every three months, and from this reason, it is set as 1 [mm ≦ (D-d)/2.

In this way, according to the present embodiment, the powdered detergent 34 stored in the hopper 11, which is a detergent storage part, is pulverized by the detergent delivery member 28, which is rotationally driven by the motor 31, which is a driving device, while the detergent delivery part 22 In particular, the inner diameter of the detergent delivery portion 22 and the outer diameter d of the detergent delivery member 28 are 1 [■]
≦(D-d)≦5 [ratio], whereby the powder detergent 34 can be delivered and supplied more smoothly and reliably, and in particular, the powder detergent 34 can be delivered per unit time. This prevents the amount of detergent from running out, and also eliminates the need to frequently clean the detergent delivery section 22.

In addition, in the present invention, the supply of the powdered detergent 34 in conjunction with the aforementioned water supply, the time width control of the water supply at that time, and the delivery amount depending on the type of the powdered detergent 34 and the degree of soiling of the laundry are provided in the present invention. , not necessarily necessary, other stirring member 2
Points such as a and no in 0 can be selected and implemented as appropriate. Furthermore, the detergent receiving portion may be inside the washing tub instead of on the receiving plate 24, and the detergent delivery member 28 may be rotated. The driving device for this purpose is not limited to the motor 31, but may be, for example, a water turbine operating in a water supply channel. The detergent delivery member 28 may also have a conventional screw shape in addition to the above-mentioned coil shape.In addition, the detergent delivery member 28 as a whole may be used not only in washing machines but also in dishwashers and other powder detergents. It can be similarly applied and implemented for all devices that function using

[Effects of the Invention] As is clear from the above description, the detergent supply device for a washing machine or the like of the present invention includes a detergent storage section that accommodates and stores powdered detergent, and a lower end portion of the detergent storage section. a detergent delivery part provided in the second detergent delivery part, and a detergent delivery member rotatably housed in the second detergent delivery part; When the inner diameter is D1 and the outer diameter of the detergent delivery member is d, the dimensional relationship between them is 1[lll1]≦(D-d)≦5[m1
1], the powder detergent can be delivered and supplied sufficiently smoothly and reliably, and in particular, there is no shortage in the amount of powder detergent delivered per unit time, and the detergent delivery is It has the excellent effect of eliminating the need to clean the area as often.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is an enlarged longitudinal sectional front view of the central part of the main parts, FIG. 2 is a perspective view of the overall appearance of the washing machine, and FIG. Longitudinal side view, 4th
5 is a longitudinal sectional front view of the same portion, FIG. 5 is a longitudinal sectional side view of the same portion at a different cross-sectional position from FIG. 3, and FIG. 6 is a diagram showing the inventor's experimental results. In the figure, 11 is a hopper (detergent storage part), 22 is a detergent delivery part, 25 is a detergent receiving part, 28 is a detergent delivery member, 31 is a motor (drive device), 34 is a powder detergent, and D is the inner diameter of the detergent delivery part. , d indicates the outer diameter of the detergent delivery member.

Claims (1)

[Claims] 1. A detergent storage section for supplying powdered detergent to a detergent receiving section of a washing machine, etc., which accommodates and stores the powdered detergent, and a detergent delivery section provided at the lower end of this detergent storage section. a detergent delivery member that is rotatably housed in the detergent delivery unit and that rotates to deliver the powdered detergent stored in the detergent storage unit through the detergent delivery unit; and a drive device that rotationally drives the detergent delivery member. , and when the inner diameter of the detergent delivery part is D and the outer diameter of the detergent delivery member is d, the dimensional relationship between them is 1 [mm]≦(D-d)≦5 [mm]
A detergent supply device for a washing machine, etc., characterized by comprising the following: