JPS6324995A - 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] [Industrial Application Field] The present invention relates to a washing machine, and more particularly, it cleans not only light stains but also muddy dirt on the toes and heels of white socks, muddy dirt on work gloves, etc. Oil stains.

The present invention relates to an improved washing machine equipped with an unprecedented new function that can thoroughly wash away so-called stubborn dirt such as oil stains on work coveralls.

[Conventional technology]

Washing blades swirl and stir the water to be washed and the items to be washed.
For washing machines installed at the bottom of the tank, for example,
As shown in the drawing of Publication No. 8-141179, there is a relatively large distance between the outer periphery of the blade and the washing tank wall (generally 50
+nm or more) is maintained.

[The interlayer point that the invention attempts to solve]

However, when washing is performed using a conventional washing machine, the items to be washed are suspended by the water flow of the rotating blades in the water being washed, and come into contact with the blades only very infrequently, and the contact force is very low.

The contact force is only light due to the buoyant force acting on the item being washed.

Additionally, when items with stubborn stains are washed together with other clothes, the items with stubborn stains get into the other clothes, and the number of times they come into contact with the blade is further reduced. .

The dirt removal rate is also reduced.

As a method of removing stubborn dirt using a conventional washing machine, the water level to be washed is kept extremely low (1, for example, to the extent that the upper end of the blade is hidden) in order to increase the number of times the blade comes into contact with the item to be washed. However, as mentioned above, there is a gap between the outer periphery of the blade and the washing tank wall.
Because a relatively large distance is maintained, the object to be washed is pushed to the outer periphery of the blade by the centrifugal force when the blade rotates.

It remains on the outer periphery, and contact with the blade is almost completely cut off, resulting in no cleaning effect.

In other words, conventional washing machines are aimed at removing C1 light dirt that is frequently washed on a daily basis, and are designed to remove mechanical effects (friction, friction,
The reality is that impacts, bending, stretching, twisting, etc.) are not taken into consideration to the extent that stubborn stains occur.

In addition, in recent years, clothing has become more diverse and more delicate, and in the field of washing machines, the method of stirring water used for washing has changed in order to prevent fabric damage and reduce tangles between clothes. It's coming.

In other words, the conventional system in which the blades were rotated continuously for a long time at a relatively high rotational speed has recently been replaced by a system in which the blades are rotated forward and reverse every short cycle at a relatively low rotational speed.

However, if you look at this decrease in blade rotation speed from the perspective of someone who is washing clothes for the purpose of removing stubborn dirt.

This is the cause of increasingly poor dirt removal, and although it is said that the frequency of washing to remove these stubborn stains is infrequent in general households, the current situation is that people wash their hands by hand each time.

The present invention has been made in consideration of the above points, and includes:
Its purpose is to provide a new, unprecedented function that can not only remove light stains, but also remove stubborn stains that are generally small but difficult to remove, such as muddy stains on the toes and heels of white socks. The purpose is to provide an improved washing machine equipped with

[Means for solving problems]

The above object is achieved by removably attaching a cylindrical enclosure that restricts horizontal movement of the objects to be washed close to and around the blades that swirl and stir the water to be washed and the objects to be washed. .

[Operation] - By adopting the above configuration, the present invention has the following effects:
When washing for the purpose of removing light dirt,
It is only necessary to remove a cylindrical enclosure provided close to the blade, and by removing this enclosure, washing can be carried out in the same manner as before.

On the other hand, when washing the toes and heels of white socks for the purpose of removing stubborn stains, the above-mentioned cylindrical enclosure is attached to the outer circumference of the blade, and the items to be washed and detergent are placed inside the enclosure. If water is poured into the washing tank to the extent that the items to be washed are submerged and the blades are rotated in this state, the horizontal movement of the items to be washed is restricted by the cylindrical enclosure, and the washing effect is improved. The blades, which are the main body of the cleaning process, and the items to be washed come into contact as many times as possible over a long period of time, and at this time, the blades effectively apply mechanical effects such as friction, bending, and impact to the items to be washed. Therefore, stubborn stains on the toes and heels of the aforementioned white socks can be easily washed off.

〔Example〕

Hereinafter, the present invention will be explained based on an embodiment shown in FIGS. 1 to 5, taking as an example a case where the present invention is applied to a self-contained two-tank washing machine. FIG. 2 is a partially vertical front view showing the overall configuration of the washing machine, FIG. 3 is a sectional view taken along line A-A in FIG. 1, and FIG. A partially enlarged view of the control panel shown;
FIG. 5 is a diagram illustrating the cleaning effect, comparing the cleaning power index when removing stubborn stains using the washing machine of the present invention with that when removing stubborn stains using a conventional washing machine.

1 and 2, inside an outer frame 1 constituting the outer shell of the washing machine, a washing tank 2 and a water receiving tank 3 are arranged side by side, and below the outer frame 1, a main body base 4 is provided. has been removed and attached. Further, a control panel 5 that controls the entire system is attached above the outer frame 1, and a main body base 4
The washing motor 6 is supported with vibration isolation, and above it,
A drive pulley 7 is pivotally supported. On the other hand, at the center of the bottom of the washing tank 2, a reducer 8 having a specified reduction ratio rotatably supports blades 9 above and a driven pulley 10 below. and fixing screw 1
The water seal is fixed by 2. The driven boob IJ 10 and the driving pulley 7 are connected by a transmission belt 13, and the rotation of the washing motor 6 is reduced by the ratio of the pulley diameters of the driving pulley 7 and the driven pulley 1o, and further by the reduction ratio of the reducer 8. The water is transmitted to the blades 9, and a washing action is performed.

Therefore, a concave guide groove 14 is formed on the bottom of the washing tank 2.
is formed in a circular shape, and the blade 9 is fitted into the circular shape.
As shown in FIGS. 1 and 3, a cylindrical enclosure 15 having a plurality of vertical ribs 16 on the inner wall is attached to the outer periphery of the cylindrical enclosure 15. 1
7 is attached to the bottom of the washing tank 2. That is, the cylindrical enclosure 15 is removably attached to the washing tank 2, with horizontal movement regulated by the guide groove 14 and vertical movement regulated by the suction cup 17. The height of the cylindrical enclosure 15, indicated by the symbol H in FIG. It is possible to do so.

Starting and stopping of the washing motor 6 is controlled by an automatic timer and a pressure switch (not shown). To explain this in more detail, the water level switching knob provided on the control panel shown with reference numeral 5 in FIGS. 2 and 4;
That is, by turning the water level selection knob 18 linked to the pressure switch to select the water level to be washed, and setting the automatic timer knob 19, the water supply solenoid valve 20 shown in FIG. 2 is automatically activated to start water supply. When the preset water level is reached, the pressure switch is activated and the washing process begins.

In the above configuration, when washing is performed for the purpose of removing light dirt, it is sufficient to remove the cylindrical enclosure 15 provided close to the blade 9. Washing is done.

On the other hand, when washing the toes and heels of white socks for the purpose of removing stubborn stains, the above-mentioned cylindrical enclosure 15 is attached to the outer circumference of the blade 9, and the items to be washed and the detergent are placed in the enclosure 15. water, set the water level switching knob 18 to an extremely low water level, and set the automatic timer knob 19.

As a result, water is supplied to the vicinity of the upper end of the enclosure 15,
Washing is started according to a prescribed start-stop cycle, and during washing, the horizontal movement of the object to be washed is regulated by a cylindrical enclosure 15, and the blade 9, which is the main body of the washing action, and the object to be washed are The object to be washed is brought into contact with the object as many times as possible for a long period of time, and at this time, mechanical effects such as friction, bending and stretching, and impact are effectively applied to the object to be washed by the blades 9. You can easily wash off stubborn stains on your heels, etc.

As shown in the illustrated embodiment, if a plurality of vertical ribs 16 are provided protruding from the inner wall of the enclosure 15, the items to be washed will be exposed to friction, bending, and impact from both the blade 9 and the vertical ribs 16. Because of the added mechanical action, it is even more effective for cleaning stubborn stains.

The 5th index shows the cleaning power index when removing stubborn stains using the washing machine of the present invention and the conventional washing machine.
As is clear from the figure, it can be seen how effective the washing machine of the present invention is in removing stubborn stains when various conditions such as the amount of water to be washed and the concentration of detergent are the same.

FIG. 6 is a longitudinal sectional front view of the main parts of another embodiment of the washing machine of the present invention. A case is shown in which a cylindrical enclosure 15 is detachably attached to the outer periphery.

In addition, in the illustrated embodiment, the case where the present invention is applied to an automatic two-tank type washing machine is illustrated, but there are problems in applying the present invention to a non-automatic two-tank type washing machine, and furthermore, to a single-tank type fully automatic washing machine. There isn't.

On the other hand, as a preliminary preparation when removing stubborn stains using the washing machine of the present invention, the items to be washed may be soaked in a highly concentrated detergent or substituted with water.

One that uses warm water is also a good idea.

Furthermore, according to the present invention, since a mini-washing tank is formed by the enclosure 15, a very small amount of the objects to be washed 1
For example, it is effective when you want to wash a handkerchief, a pair of baby socks, or a bib as soon as possible, and the rotation speed of the blade 9 (9' in the embodiment shown in Fig. 6) can be adjusted as appropriate. As a result, soft washing is possible, and in addition, small households can wash vegetables and potatoes with a small amount of water, and in fishing villages, it is possible to remove slime from octopuses with a small amount of water.

In addition to this, in the present invention, it is also possible to wash the items to be washed by placing them outside the enclosure 15, and when washing the items by placing them outside the enclosure 15, the items to be washed can be washed by placing the items to be washed outside the enclosure 15.
(9' in the embodiment shown in FIG. 6), it is suitable for washing wool sweaters with water, for example.

〔Effect of the invention〕

The present invention is as described above, and as is clear from the description of the illustrated embodiments, according to the present invention, it is possible to remove not only light stains, but also muddy stains on the toes and heels of white socks.
It is possible to provide an improved washing machine equipped with a new function that has not been seen before, which can cleanly wash away stubborn dirt that is generally small in amount but difficult to remove.

[Brief explanation of the drawing]

Figures 1 to 5 show an embodiment of the present invention. Figure 1 is a longitudinal sectional front view of the washing tank 2 and related parts, which are the main parts of the invention, and Figure 2 shows the overall configuration of the washing machine. 3 is a sectional view taken along line A-A in FIG. 1, FIG. 4 is a partial enlarged view of the control panel indicated by reference numeral 5 in FIG. Figure 3 shows the cleaning power index when removing stubborn stains using a conventional washing machine.

Claims (1)

[Scope of Claims] 1. In a washing machine equipped with a blade at the bottom of the washing tub that swirls and stirs the water to be washed and the items to be washed, the horizontal movement of the item to be washed is restricted in the vicinity of the blade and on its outer periphery. A washing machine characterized by having a removably attached cylindrical enclosure. 2. In the invention set forth in claim 1, a plurality of vertical ribs are located inside a cylindrical enclosure that restricts the horizontal movement of the items to be washed, and protrude from the enclosure. Washing machine.