JPH0451993A - Operating method for washing machine - Google Patents

Abstract

PURPOSE:To prevent damage to cloth in the case of washing clothes having the light degree of dirt by making washing liquid permeable through laundry in a washing and dehydrating tub by circulating the washing liquid between the washing and dehydrating tub and a circulation duct by the operation of a circulation pump. CONSTITUTION:In an outer tub 2 arranged in an outer enclosure 1, a washing and dehydrating tub 3 is provided with a stirring fan 4 in the inside and in the outer enclosure 1, a circulation duct 15 is provided with a circulation pump 13 in the middle while communicating the bottom part and upper part of the outer tub 2. Then, the circulation pump 13 is operated without rotating the stirring fan 4, and by the operation of the pump, the washing liquid is circulated between the washing and dehydrating tub 3 and the circulation duct 15 so as to be permeable through the laundry in the washing and dehydrating tub 3. Thus, the damage to the cloth can be prevented when washing the clothes having the light degree of dirt or any delicate clothes.

Description

[Detailed description of the invention] [Industrial application field] The present invention particularly relates to a washing operation method for a washing machine.

[Conventional technology]

Fig. 5 shows an example of a fully automatic duplex washing machine used in the conventional operating method. (2) A washing/dehydration tank (3
), and a pulsator (25) is provided at the bottom of this washing/dehydration tank (3).

A motor (9) is disposed below the outer tank (2), and the drive shaft of the motor (9) is supported through a mechanism section (11) containing a speed reduction mechanism for switching between washing and dewatering. ,
It was connected to a washing shaft fixed to a pulsator (25) coaxially located and a dehydration shaft (18) fixed to a washing and dehydration tank (3).

In addition, blades (23) are provided on the back side of the pulsator (25), and the pulsator (25) is provided at the bottom of the washing and dehydrating tank (3).
) A discharge port (29) is provided on the outer periphery of the concave portion (28) for storing the water. It consists of a tank cover (31), and a bag-shaped lint filter (3) is installed in the opening (32) toward the inside of the washing/dehydration tank (3).
0) was attached removably.

In the figure, (6) is the top panel, (7) is the washing and dehydrating tank (3
) shows the lid that covers the top opening.

Further, a drain port formed at the bottom of the outer tank (2) was connected to a drain hose (16) via a drain valve (12).

Next, to explain the operation, after storing detergent suitable for the amount of laundry in the lint filter (33), the lint filter (33) is attached to the opening (32), and after water is supplied, the motor (9) If energized, the pulsator (25)
is activated, and repeats the operations of clockwise rotation, stop, counterclockwise rotation, and stop.

The rotational force of the pulsator (25) caused by this operation generates a swirling flow in the washing liquid (19) in the washing and dehydrating tub (3), and this mechanical force removes dirt adhering to the laundry.

[Problem to be solved by the invention]

In this way, laundry is washed by mechanical force that uses the rotational force of the pulsator, so the laundry is thrown around strongly in the washing/dehydration tank, resulting in the washing of clothes that are lightly soiled due to sweating, etc. Delicate clothing, or clothing that has only been layered for a short time and is hardly soiled, will be agitated more than necessary, resulting in fabric damage.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method for operating a washing machine that eliminates the disadvantages of the conventional example and prevents fabric damage when washing lightly soiled or delicate clothes.

[Means to solve the problem]

In order to achieve the above-mentioned object, the present invention provides a washing and dewatering tank with an internal stirring blade in an outer tank disposed in an outer box, and connects the bottom and top of the outer tank with a circulation pump in the middle. In a washing machine with a circulation channel formed inside the outer box, a circulation pump is operated without rotating the agitating blades, and the pump action circulates the washing liquid between the washing and dehydrating tub and the circulation channel. The washing solution can penetrate and pass through the laundry in the washing/spinner tank, or the washing/spinner can be rotated at low speed in one direction at the same time and the centrifugal force of rotation can be used to wash the laundry in the washing/spinner tub. The gist of this is to allow liquid to permeate through it.

[Effect]

According to the present invention as set forth in claim 1, when the circulation pump operates, a circulation flow of the washing liquid is generated between the washing/dehydration tank and the circulation flow path, and this circulation flow causes the washing liquid to be washed and dehydrated. It permeates through the laundry in the tub.

Therefore, according to the present invention as set forth in claim 2, in which dirt is removed without rotating the agitating blades or shaking the laundry strongly, in addition to the above-mentioned effects, the washing and dewatering tub rotates in one direction at a low speed, and this Since centrifugal force due to rotation acts on the washing liquid and the laundry, even if the washing liquid is small, it can be reliably permeated and passed through the laundry.

[Embodiments] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a vertical cross-sectional front view of a washing machine showing a first embodiment of the washing machine operating method of the present invention, FIG. 2 is a vertical cross-sectional side view of the main parts of the same,
FIG. 3 is an exploded perspective view of the main parts of the same, in which the same components as those of the conventional example shown in FIG. 5 are given the same reference numerals.

The basic configuration of the washing machine used in the method of the present invention is the same as the conventional one-tank two-tub fully automatic washing machine, with a hanging rod (
8) suspends the outer tank (2), and inside this outer tank (2) there is provided a washing and dewatering tank (3) having a stirring blade (4) in the center and a balancer (5) formed in the top opening. , a motor (9) is disposed below the outer tank (2), and the drive shaft of the motor (9) is connected to a mechanism section (1
1) between the washing shaft of the stirring blade (4) and the washing/dehydration tank (3).
) is connected to the dehydration shaft (18).

A drain port (2a) is formed at the bottom of the outer tank (2), and the tip of a drain pipe communicating with the drain port (2a) is branched and one end is connected to a drain hose (16) via a drain valve (12). connect,
The other end is connected to the circulation hose (15) via the circulation pump (13).
It was connected to a circulation flow path consisting of.

The circulation hose (15) extends upward along the outside of the outer tank (2), has its tip opened above the washing/dehydration tank (3) and below the top panel (6), and discharges water into this open end. Exit (21
), and the filter case (17), which is located below the outlet (21) and has a slit-shaped outlet (17a) formed on the lower surface, is pulled out front and rear by a step (23) on the top panel (6). Install freely.

Then, as shown in Figure 2, this filter case (1
7) Store the lint filter (14).

The lint filter (14) has a cylindrical main body (14a).
A rotating blade (24) that is rotated by the flow of water discharged from the top is installed at the bottom of the inside, and a net (22) is attached to the top surface of this rotating blade (24), and the mesh of the rope (22) is not used. The particles are formed smaller than the particle size of the detergent, and the rotary blade 1
The central rotating shaft (24a) of (24) was rotatably attached to the bottom of the filter case (17).

Next, the operation will be explained.

Place the clothes in the washing and dehydrating tank (3), pull out the filter case (17), and remove the lint filter (14).
After putting a predetermined amount of detergent into the main body (14a) of the washing machine, turning on the operation switch starts the washing operation.

When a predetermined amount of water is supplied into the washing and dehydrating tank (3), the circulation pump (13) is activated and the washing and dehydrating tank (3) is activated.
) is pumped up into the circulation hose (15) and passed through the upper discharge port (21) to the lint filter (14).
Exhale inside.

Inside the main body (14a) of the lint filter (14), this discharged water hits the rotating blade (24) from above, causing the rotating blade (24) to rotate, and this rotational action causes the main body (14) to rotate.
a) The detergent put into the washing liquid (19
) is fully dissolved in the washing and dehydrating tank (3).

The washing liquid (19) in which the detergent is dissolved in this way is washed and dehydrated by the action of the circulation pump (13). ! (3) and the circulation hose (15) for a predetermined period of time. During this time, the stirring blade (4) is in a stopped state, and the laundry (20) in the washing/dehydration tank (3) is pumped with the washing liquid (1) by the circulation pump (13).
The washing liquid (19) permeates through the circulating flow of step 9), thereby removing dirt.

In the first embodiment, dirt is removed from the laundry (20) only by the circulation action of the circulation pump (13), but in the second embodiment, dirt is removed from the laundry (20).
As an example, as shown in FIG. 4, the amount of water supplied for washing is much smaller than the amount of water supplied for normal washing.
The amount of water circulated by the circulation pump (13) is kept to the minimum necessary, and during washing operation, the circulation pump (13) is
) as well as the motor (9) to run the washing and dehydrating tank (
3) Continuously rotate in one direction at low speed.

This causes the washing/dehydration tank (3) to be activated by the circulation pump (13).
) and the circulation hose (15).
) flows outward from the center along with the laundry (2o) in the washing/drying tub (3) due to the centrifugal force generated by the rotation of the tub (3), and during this time the washing liquid (19) flows outward from the center. Dirt is removed by passing between the fibers of the laundry (20).

In both the first and second embodiments, when a predetermined washing operation time has elapsed, the washing is completed and the circulation pump (13) is stopped, and in the second embodiment, in addition to this, the washing and dewatering tank (3) is stopped, and the water is drained. The valve (12) opens and the washing liquid (19) in the washing and dehydrating tub (3) is discharged to the outside of the machine via the drain hose (16).

〔Effect of the invention〕

As described above, in the operating method of the washing machine of the present invention, the washing liquid is permeated through the laundry by the forced circulation water flow of the washing liquid by the pump and the centrifugal force caused by the rotation of the washing and dehydrating tank, so that the washing liquid is permeated through the laundry. You can wash your clothes without having to operate the machine, which prevents fabric damage to your clothes.

Furthermore, when centrifugal force is used, the amount of water used is sufficient as long as the amount of water circulated by the pump is ensured, so a small amount is sufficient and is useful for water saving.

[Brief explanation of drawings]

FIG. 1 is a vertical side view of a washing machine showing a first embodiment of the washing machine operating method of the present invention, FIG. 2 is a vertical side view of the main parts of the same,
FIG. 3 is an exploded perspective view of the main parts of the same, FIG. 4 is a longitudinal sectional side view of a washing machine showing a second embodiment, and FIG. 5 is a longitudinal sectional side view of a washing machine showing a conventional example. (1)...Outer box (2)...Outer tank (3)
...Washing/dehydration tank (4)...Agitation blade (5)...Balancer (6)...Top panel (7)...
Lid (8)...Hanging rod (9)...Motor (10)...■ Heald (11)...Mechanism (12)...Drain pump (13)...Circulation pump (14) )...lint filter (14a
)...Body (15)...Circulation hose (1
6)...Drainage hose (17)...Filter case (18)...Dehydration shaft (19)...Washing liquid (20)...Washing liquid (21)...Discharge port (22) ... # (23) ... Stepped (24) ... Rotating vane (24a) ... Rotating shaft (25) ... Pulsator (26) ... Drain hole (27) ... Vane (28)...Recess (29)...Discharge port (30)...Circulation flow path (31)...Tank cover (32)...Opening Figure 4

Claims (2)

[Claims] (1) A washing and dehydration tank with an internal stirring blade is installed in the outer tank disposed inside the outer box, and a circulation flow path with a circulation pump installed in the middle is connected to the bottom and top of the outer tank. In a washing machine formed inside a box, a circulation pump is operated without rotating the agitating blades, and the pump action circulates the washing liquid between the washing and dehydration tank and the circulation flow path, thereby discharging the liquid in the washing and dehydration tank. A method of operating a washing machine characterized by allowing a washing liquid to penetrate and pass through the laundry. (2) A washing and dehydration tank with an internal stirring blade is installed in the outer tank disposed inside the outer box, and a circulation flow path with a circulation pump installed in the middle is connected to the bottom and top of the outer tank. In a washing machine formed inside a box, a circulation pump is operated without rotating the agitation blade, and the pump action circulates the washing liquid between the washing/dehydration tank and the circulation flow path, and also allows the washing/dehydration tank to be integrated. A method of operating a washing machine characterized by rotating the washing machine at low speed in the direction of rotation, and causing washing liquid to permeate and pass through the laundry in a washing/dehydration tank by centrifugal force during rotation.