JPS6351892A - 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 a new function that has never been seen before, which can thoroughly wash away so-called stubborn dirt such as oil stains on work coveralls.

[Conventional technology]

For example, in a washing machine equipped with a blade at the bottom of the washing tank that rotates and stirs the water to be washed and the objects to be washed,
As shown in the drawing of Publication No. 141179, there is a relatively large distance (generally 50 m) between the outer periphery of the blade and the washing tank wall.
m or more) is maintained.

[Problem that the invention seeks 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 to be washed, and come into contact with the blades only very infrequently. The contact force is only light due to the buoyant force acting on the object.

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 is further reduced.

In order to remove stubborn dirt using a conventional combing machine, the water level of the water to be washed is kept extremely low, 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 wall of the washing tank.
Because a relatively large distance is maintained, objects to be washed that are forced to the outer periphery of the blade due to centrifugal force when the blade rotates remain on the outer periphery, and contact with the blade is almost completely cut off. , the result is that the washing effect cannot be obtained.

In other words, conventional washing machines are intended for removing light dirt that is frequently washed on a daily basis, and the mechanical action (friction, impact, bending, twisting, etc.) on the item to be washed due to the rotation of the blades, which is the main cause of the washing action, is The reality is that not much consideration is given to stubborn stains.

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, this decrease in the rotation speed of the blades can be seen 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 tab near and around the blade that swirls and stirs the water to be washed and the items to be washed, for regulating the movement of the items to be washed in the horizontal and vertical directions. .

[Effect]

Therefore, by adopting the above configuration, the present invention provides the following features:
When washing for the purpose of removing light dirt,
All you have to do is remove the tab located close to the blade.
By removing this tab, washing can be performed in the same manner as before.

On the other hand, when washing the toes and heels of your own socks for the purpose of removing stubborn stains, attach the above-mentioned tab around the blade, put the item to be washed and detergent into the tab, If water is filled in the washing tank to the extent that the items to be washed are submerged and the blades are rotated in this state, the horizontal and vertical movement of the items to be washed is regulated by the tabs, and the main body of the washing action is The blade and the object to be washed come into contact as many times as possible for a long period of time, and at this time, the blade effectively applies mechanical effects such as friction, bending and stretching, and impact to the object to be washed. You can easily wash away stubborn stains from the toes and heels of white socks.

〔Example〕

Hereinafter, the present invention will be explained based on one embodiment of FIGS. 1 to 5, taking as an example the case where the present invention is applied to an automatic 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 the conventional method. .

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. is installed. Further, a control panel 5 that controls the entire system is attached above the outer frame 1, a washing motor 6 is supported with vibration isolation on the main body base 4, and a drive pulley 7 is supported above the main body base 4 in a vibration-proof manner. has been done. 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 12
The water seal is fixed by

The driven pulley] O and the drive pulley 7 are connected by a transmission belt 13, and the rotation of the washing motor 6 is controlled by the drive pulley 7.
The speed is reduced by the ratio of the pulley diameters of the driven pulley 10 and the reduction ratio of the speed reducer 8, and the speed is transmitted to the blades 9, thereby performing a washing action.

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 tab 15 having an opening 16 at the center of the upper surface and a plurality of vertical ribs 17 on the inner wall is attached near and around the tab. , and the tab 15 is attached to the bottom of the washing tank 2 by means of a suction cup 8. That is, the tab 15 is regulated from moving in the horizontal direction by the guide groove 14 and from moving in the vertical direction by the suction cup 18.
It is detachably attached to the The height of the tub 15, indicated by the symbol H in FIG. 1, should be set to such a size that, for example, all the stubborn dirt that comes out per day in a Japanese household with an average family size of four can be accommodated in the tub 15 at once. is possible.

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 19 linked to the pressure switch to select the water level for washing, and setting the automatic timer knob 20, the water supply solenoid valve 21 shown in FIG. 2 is automatically activated and water supply is started. When the preset water level is reached, the pressure switch is activated and the washing process begins.

In the second configuration, when washing is performed for the purpose of removing light dirt, it is sufficient to remove the tab 15 provided close to the blade 9. By removing this tab 15, the washing can be carried out in the same manner as before. is carried out.

On the other hand, when washing the toes and heels of white socks for the purpose of removing stubborn stains, the tab 15 described above is attached around the blade 9, and the item to be washed and detergent are placed in the tab 15. , set the water level switching knob 19 to an extremely low water level, and set the automatic timer knob 20.

As a result, water is supplied to the vicinity of the upper end of the tub 15,
Washing is started with a prescribed start-stop cycle, and during washing, the horizontal and vertical movement of the object to be washed is regulated by the tab 15, and the blade 9, which is the main body of the washing action, and the object to be washed are The object is brought into contact with the object as many times as possible for a long period of time, and at this time, the object to be washed is rubbed by the blades 9.

Mechanical effects such as bending, stretching, and impact are effectively applied, making it easy to remove stubborn stains from the toes and heels of white socks.
It can be washed off.

As shown in the illustrated embodiment, if an opening 16 is provided at the center of the upper surface of the tab 15, when washing stubbornly soiled items two or three times in a row, the tab can be opened each time. There is no need to remove 15, and the items to be washed are easy to handle.

Further, as shown in the illustrated embodiment, if several vertical ribs 17 are provided protruding from the inner wall of the tub 15, the objects to be washed will be affected by friction, bending and stretching from both the blades 9 and the vertical ribs 17. Since mechanical effects such as impact are applied, cleaning is even more effective in removing 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, when conditions such as the amount of water used for washing and the concentration of detergent are the same, it can be seen how excellent the washing machine of the present invention is in removing stubborn stains.

6 to 8 are longitudinal sectional front views of main parts showing other embodiments of the washing machine of the present invention, respectively.

Fig. 1 shows a case where a tab 15 is removably attached near and around a blade 9' having a different shape from the blade 9, and Fig. 7 shows a blade 9' having the same shape as that of Fig. 1. Adjacent to and around the vane 9, there is a reference numeral 15 in FIGS. 1 and 6.
Fig. 8 shows a case in which a tab 15' having a different shape from the tab shown in Fig. 6 is removably attached. A case is shown in which a shaped tab 15' is detachably attached.

Further, in the illustrated embodiment, the present invention is applied to an automatic two-tank washing machine, but the present invention can also be applied to a non-automatic two-tank washing machine, or even a single-tank fully automatic washing machine. No problem.

On the other hand, as a preparation before removing stubborn stains using the washing machine of the present invention, it is a good idea to soak the items to be washed in a highly concentrated detergent or to use warm water instead of water.

Furthermore, according to the present invention, since a mini-washing tank is formed by the tub 15, a very small amount of items to be washed,
For example, it is effective when you want to wash a handkerchief, a pair of baby socks, or a bib as soon as possible. By adjusting the amount appropriately, soft cleaning is also possible. In addition, in small households, it is possible to wash vegetables and potatoes with a small amount of water, and in fishing villages, it is possible to remove slime from octopus 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 tub 15. When washing the items by placing them outside the tub 15, the items to be washed can be placed on the blade 9.
(9' in the embodiments of FIGS. 6 and 8), it is suitable for washing wool sweaters with water, for example.

〔Effect of the invention〕

The present invention has been described above, and as is clear from the description of the illustrated embodiments, the present invention can be applied not only to light stains but also to stains such as 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, 2, 3, 4, and 5 show an embodiment of the present invention, and Figure 1 shows a washing tank 2 which is the main part of the present invention.
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. Figure 5 is a partially enlarged view of the control panel shown, comparing the cleaning power index when removing stubborn stains using the washer of the present invention with that when removing stubborn stains using a conventional penal law scrubber. The cleaning effect explanatory diagrams shown in FIGS. 6, 7, and 8 are vertical sectional front views of main parts showing other embodiments of the washing machine of the present invention. 2...Washing tank, 9 and 9'...Blade, 15 and 4th port 1q S port

Claims (1)

[Scope of Claims] 1. In a washing machine equipped with a blade at the bottom of the washing tank that rotates and stirs the water to be washed and the items to be washed, there is a blade in the vicinity of the blade, which rotates the items to be washed in the horizontal and vertical directions. A washing machine characterized by a removably attached tab for regulating movement. 2. A washing machine according to the invention as set forth in claim 1, wherein an opening is provided in the center of the upper surface of the tab that restricts movement of the object to be washed in the horizontal and vertical directions. 3. In the invention set forth in claim 1 or 2, the tab is located inside the tab that restricts movement of the laundry item in the horizontal and vertical directions, and a plurality of vertical ribs protrude from the tab. A washing machine is provided.