JPH10235076A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure the high washing ability of a washing machine in which a washing operation is performed while a net for placing the washing prevents a pulsator from agitating the washing (clothing) by preventing generation of turbulence below the net for placing the washing, and thus increasing suction waterflow produced by the rotation of the pulsator. SOLUTION: A pulsator 5 is placed on the inner bottom of a washing/ dehydrating tub 4, a net 9 for placing the washing is provided approximately horizontally along the height of the side wall of the washing/dehydrating tub 4, and a plurality of relief ports 10 are provided in the part of the side wall of the washing/dehydrating tub 4 below the position where the net 9 for placing the washing is installed. Waterflow produced by the rotation of the pulsator 5 is allowed to escape to the outside from inside the washing/dehydrating tub 4 via the relief ports 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine in which a pulsator performs washing without agitating laundry (clothing) by a laundry loading net.

[0002]

2. Description of the Related Art As shown in FIG. 20, a conventional washing method using a laundry-loading net has a pulsator 31 at the bottom.
The washing and dewatering tub 32 provided with a laundry loading net 33 is provided in the middle of the side wall height, and the laundry is placed on the laundry loading net 3.
3 and put a predetermined amount of water and detergent, and by the suction force generated by rotating the pulsator 31,
By causing a water flow (suction water flow) from the upper side to the lower side of the laundry on the upper surface of the laundry loading net 33 to force the washing water to pass through the inside of the laundry, the laundry can be washed without damaging the clothes. I was going.

[0003]

In this method, the washing power is determined by the strength of the suction water flow due to the rotation of the pulsator 31, but the washing water sucked downward from above by the rotation of the pulsator 31 is discharged to the outside. The water is supplied to the upper surface of the pulsator 31, hits the side wall of the washing and dewatering tub 32, and is splashed into the washing and dewatering tub 32. Then, a turbulent flow is generated below the laundry placing net 33, and the suction power is impaired. Therefore, the suction water flow cannot be strengthened, and the cleaning power is limited.

An object of the present invention is to prevent a turbulent flow from being generated below a laundry-loading net and to increase a suction water flow due to rotation of a pulsator, thereby ensuring a high detergency. .

[0005]

According to the present invention, in order to achieve the above object, a pulsator is provided at the inner bottom of the washing and dewatering tub, and the laundry is placed halfway in the height direction of the side wall of the washing and dewatering tub. The placing net is provided in a substantially horizontal direction, and a plurality of peeling holes are provided in a side wall portion of the washing and dewatering tub below the installation position of the laundry placing net. The water flow due to the rotation of the pulsator flows from the inside of the washing and dewatering tub to the outside through the through hole.

[0006] Thus, the washing water which is sucked downward from above by the rotation of the pulsator, is sent to the outside, follows the upper surface of the pulsator, and is guided to the vicinity of the side wall of the washing and dewatering tub, Since the water flows from the inside of the washing and dewatering tub to the outside through the parting hole, turbulence does not occur below the laundry loading net. for that reason,
By increasing the suction water flow due to the rotation of the pulsator, a high detergency can be secured.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a pulsator arranged at the inner bottom of a washing and dewatering tub,
A laundry loading net provided in a substantially horizontal direction in the height direction of the side wall of the washing and dewatering tub, and a side wall portion of the washing and dehydrating tub below an installation position of the laundry loading and drying net Has a plurality of peel holes, through the peel holes,
The pulsator is designed so that the water flow caused by the rotation of the pulsator flows from the inside of the washing and dewatering tub to the outside.By placing the laundry on the laundry loading net, the pulsator directly agitates the laundry. In order to prevent damage, the washing water is sucked downward from the top by the rotation of the pulsator, sent out to the outside, along the top of the pulsator, and guided to the vicinity of the side wall of the washing and dewatering tub. By flowing from the inside of the washing and dewatering tub to the outside through the through hole in the side wall of the tub, turbulence below the laundry loading net can be prevented, and suction by rotation of the pulsator The water flow is strengthened and a high detergency can be secured.

According to a second aspect of the present invention, in the first aspect of the present invention, a circulating water channel is provided for guiding the washing water toward above the side wall of the washing and dewatering tub by a pump action when the pulsator rotates. A discharge port is provided in an upper portion of the circulation channel, and the cleaning water is discharged from the discharge port toward the inside of the washing / dewatering tub. By pouring the whole of the laundry from above, it is possible to wash with little water, and the washing power can be further improved by continuously passing the washing water inside the laundry.

According to a third aspect of the present invention, in the first aspect of the present invention, a circulating water channel is provided which guides washing water toward above the side wall of the washing and dewatering tub by a pump action when the pulsator rotates. A discharge port is provided in communication with the circulation water channel, and at least a part of the discharge port is positioned below a water level at the time of washing, and the washing water is discharged from the discharge port toward the inside of the washing and dewatering tub. By continuously passing the washing water inside the laundry, the washing power is improved, and by discharging the washing water at a position lower than the water level at the time of washing, It is possible to prevent the discharged washing water from falling on the water surface and generating bubbles.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the discharge port has an opening shape that is long in a substantially vertical direction, and the washing water is continuously passed through the inside of the laundry. This improves the cleaning power, and discharges the cleaning water at a position lower than the water level at the time of cleaning, thereby preventing the discharged cleaning water from dropping onto the water surface and generating bubbles. Further, since the opening is formed in a substantially vertically long shape, the discharge water pressure can be increased, so that the water pressure can be applied from the side to the upper part to the lower part of the laundry, so that a high washing power can be secured uniformly. .

The invention described in claim 5 is the above-mentioned claim 1-
In the invention described in Item 4, the laundry-loading net has a non-perforated flat plate on the outer periphery thereof, the flat plate stops an upward water flow due to the rotation of the pulsator, and removes the washing hole of the washing and dewatering tub. The washing water is guided to the outside through the pulsator, and is sucked from above to below by the rotation of the pulsator, sent to the outside, adheres to the upper surface of the pulsator, and is guided to the vicinity of the side wall of the washing and dewatering tank. The washed washing water hits the outer periphery of the laundry-loading net having a non-perforated flat plate, and does not leak onto the laundry-loading net, but is guided to the tear hole in the side wall of the washing and dewatering tub. In addition, by flowing from the inside of the washing and dewatering tub to the outside, the suction water flow can be further strengthened, and high washing power can be secured.

[0012] The invention according to claim 6 is the above-mentioned invention.
In the invention described in 5, the washing and dewatering tub is provided with a convex portion located above the peeling hole, and stops the upward water flow due to the rotation of the pulsator at the convex portion. The washing water is drawn from the upper part to the lower part by the rotation of the pulsator, and the washing water guided to the outer periphery of the washing and dewatering tub along the upper surface of the pulsator is scattered. It hits the protrusion located above the pit and is guided to the lip of the side wall of the washing and dewatering tub, and flows from the inside of the washing and dewatering tub to the outside to further strengthen the suction water flow and increase the washing power. Can be secured.

[0013] The invention described in claim 7 is the above-mentioned claim 1-
In the invention described in 6, the peeling hole in the side wall of the washing and dewatering tub is formed in a substantially oblong shape, and is sucked downward from above by rotation of the pulsator, and is sent outward to be provided on the upper surface of the pulsator. Soaking, the washing water guided to the vicinity of the side wall of the washing and dewatering tub and about to flow along the outer peripheral portion can efficiently flow from the inside of the washing and dewatering tub to the outside through the peeling hole, The suction water flow is strengthened, and a high detergency can be secured.

The invention described in claim 8 is the above-mentioned claim 1-
7. In the invention described in 7, the outside of the washing and dewatering tub is provided with a covering member that covers the peeling hole with a gap therebetween, and is used for normal washing performed by removing the laundry placing net. In addition, the laundry can be prevented from jumping out of the washing and dewatering tub and being damaged.

[0015] The invention according to claim 9 provides the above-mentioned claims 1 to
8. The invention according to the above item 8, further comprising control means for controlling the rotation of the pulsator, wherein the number of rotations, the rotation time, and the rotation direction of the pulsator are controlled in accordance with the type of the laundry to suppress damage to the clothes. , Can remove dirt.

The invention according to claim 10 is the first invention.
In the invention as set forth in any one of Items 9 to 9, the back wing of the pulsator is
It has a bent shape with a delay angle on one rotation direction side, and the amount of circulating water can be increased depending on the rotation direction of the pulsator, so that a high detergency can be secured.

According to the eleventh aspect of the present invention, in the first aspect,
In the invention described in any one of (10) to (10), the apparatus has a defoaming agent feeding device for feeding a defoaming agent, and a control means for controlling the feeding of the defoaming agent. When added, foaming can be prevented and high detergency can be ensured.

[0018]

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

(Embodiment 1) As shown in FIGS. 1 and 2, a washing machine outer frame 1 has a water receiving tub 3
Is suspended. The washing and dewatering tub 4 is rotatably disposed in the water receiving tub 3, and the pulsator 5 is rotatably disposed at the inner bottom of the washing and dewatering tub 4. The motor 6
The pulsator 5 and the washing and dewatering tub 4 are driven via the belt 7 and the speed reduction mechanism 8.

The laundry loading net 9 is a washing and dewatering tub 4
The washing hole 10 is provided on the side wall of the washing and dewatering tub 4 below the position where the laundry loading net 9 is installed. , The water flow due to the rotation of the pulsator 5 flows from the inside of the washing and dewatering tub 4 to the outside.

The operation of the above configuration will be described. The laundry (clothing) is set on the laundry loading net 9, and after a predetermined amount of water and detergent are added, the operation is started. As a result, the motor 6 is driven, and the pulsator 5 is rotated via the V-belt 7 and the speed reduction mechanism 8. Since the laundry is separated from the pulsator 5 by the laundry loading net 9, the laundry is not directly stirred by the rotation of the pulsator 5.

By the rotation of the pulsator 5, the washing water (washing liquid or rinsing liquid) on the upper part of the pulsator 5 is forced outward from the center of the washing and dewatering tub 4 via the upper part of the pulsator 5. The water is sent. For this reason, as shown by the arrow, a suction water flow (water flow from above to below) is generated from the upper part to the lower part of the center of the washing water surface, and the inside of the laundry is forcibly passed, At this time, the water level is decreasing. Also, the washing water sent to the outside is
Since it is sent to the outside of the washing and dewatering tub 4 through the peeling hole 10, turbulence does not occur below the laundry loading net 9 and does not hinder the suction water flow.

When the pulsator 5 is stopped, the water surface returns to the original position, and the laundry sucks the washing water. Dirt is removed by repeating the rotation and stop of the pulsator 5.

As described above, according to the present embodiment, the suction water flow caused by the rotation of the pulsator 5 is supplied to the outside of the washing and spin-drying tub 4 through the peeling hole 10 to thereby provide the laundry loading net. Since the turbulence below the nozzle 9 can be prevented and the suction water flow can be strengthened, a high detergency can be secured without damaging the clothes.

(Embodiment 2) As shown in FIGS. 3 and 4, a pulsator 5 is rotatably disposed on the inner bottom of a washing and dewatering tub 11, and a back blade 12 provided on the pulsator 5 is provided.
A pump chamber 13 is formed on the outer peripheral portion of the pump, and a circulation path 14 communicating with the pump chamber 13 is formed on a side wall of the washing and dewatering tub 11 by water path constituent members 15a and 15b. Circulation path 14
A discharge port 16 is provided at an upper portion of the washing water dewatering tub 11 from the discharge port 16. Other configurations are the same as those in the first embodiment.

The operation of the above construction will be described. The laundry is set on the laundry loading net 9, and after a predetermined amount of water and detergent are added, the operation is started. As a result, the motor 6 is driven, and the pulsator 5 and the back blade 12 of the pulsator 5 are rotated via the V-belt 7 and the speed reduction mechanism 8.

The laundry is put on the laundry loading net 9.
Since it is separated from pulsator 5, pulsator 5
There is no direct stirring by the rotation of. The washing water on the upper part of the pulsator 5 is forcibly sent from the center of the washing and dewatering tub 11 to the outside through the upper part of the pulsator 5. For this reason, as shown by the arrow, a suction water flow is generated from the upper part to the lower part of the center of the washing water surface, and the washing water is forced to pass through the inside of the laundry. Further, since the washing water sent to the outside is sent to the outside of the washing and spin-drying tub 11 through the peeling hole 10, a turbulent flow is generated below the laundry loading net 9 and the suction water flow is obstructed. I will not do it.

On the other hand, the rotation of the back blades 12 of the pulsator 5 causes the washing water in the washing and dewatering tub 11 to be sent from the pump chamber 13 to the circulation path 14. The cleaning water sent to the circulation path 14 is supplied to the discharge port 1 provided above the circulation path 14.
It is discharged from 6 toward the center of the washing and dewatering tub 11 and poured into the laundry on the laundry loading net 9. Then, the washing water is given a suction force by the rotation of the pulsator 5,
Pass through the inside of the laundry.

As described above, according to the present embodiment, the suction water flow caused by the rotation of the pulsator 5 is supplied to the outside of the washing / dewatering tub 11 through the peeling hole 10 to thereby provide the laundry loading net. 9 can prevent turbulence below, enhance the suction water flow, and pour washing water from above into the laundry set on the laundry loading net 9 and put the washing water inside the laundry. By forcibly and continuously passing, high detergency can be secured with little water and without damaging the clothes.

(Embodiment 3) As shown in FIGS. 5 and 6, the pulsator 5 is rotatably disposed on the inner bottom of the washing and dewatering tub 11, and the back blade 12 provided on the pulsator 5 is provided.
A pump chamber 13 is formed on the outer peripheral portion of the tank, and a circulation path 14 communicating with the pump chamber 13 is formed on the side wall of the washing and dewatering tub 11 by water path constituting members 17a and 17b. Circulation path 14
A discharge port 18 is provided below the water level at the time of washing, and the washing water is discharged from the discharge port 18 toward the center of the washing and dewatering tub 11. Other configurations are the same as those of the first embodiment.
Or the same as 2.

The operation of the above construction will be described. The laundry is set on the laundry loading net 9, and after a predetermined amount of water and detergent are added, the operation is started. As a result, the motor 6 is driven, and the pulsator 5 and the back blade 12 of the pulsator 5 are rotated via the V-belt 7 and the speed reduction mechanism 8.

The laundry is loaded by the laundry loading net 9
Since it is separated from pulsator 5, pulsator 5
There is no direct stirring by the rotation of. The washing liquid on the upper part of the pulsator 5 is forcibly sent from the center of the washing and dewatering tub 11 to the outside through the upper part of the pulsator 5. For this reason, the suction water flow is generated from the upper part to the lower part of the central part of the washing water surface as shown by the arrow, and the washing water is forced to pass through the inside of the laundry. Further, since the washing water sent to the outside is sent to the outside of the washing and spin-drying tub 11 through the peeling hole 10, a turbulent flow is generated below the laundry loading net 9 and the suction water flow is obstructed. I will not do it.

On the other hand, the rotation of the back blade 12 of the pulsator 5 causes the washing water in the washing and dewatering tub 11 to be sent from the pump chamber 13 to the circulation path 14. The washing water sent to the circulation path 14 is discharged toward the center of the washing and dewatering tub 11 at a position below the washing water level from a discharge port 18 provided in the circulation path 14, and the washing water is supplied to the pulsator 5. The suction force is applied by the rotation of, and passes through the inside of the laundry. Further, since the cleaning water is discharged below the surface of the cleaning water, the cleaning water can be circulated without foaming.

As described above, according to the present embodiment, the suction water flow caused by the rotation of the pulsator 5 is supplied to the outside of the washing / dewatering tub 4 through the peeling hole 10 to thereby provide the laundry loading net 9. The turbulence below the washing water can be prevented, the suction water flow can be strengthened, and the washing water is discharged toward the center of the washing and dewatering tub 11 at a position below the washing water surface, so that the washing water bubbles. By circulating the washing water and forcing the washing water to continuously pass through the inside of the laundry, a high washing power can be secured without damaging the clothes.

(Embodiment 4) As shown in FIG. 7 and FIG. 8, the circulation path 1 composed of the channel constituent members 19a and 19b
4, a discharge port 20 having an opening shape that is substantially vertically lower than the water level at the time of washing is provided, and the washing water is discharged from the discharge port 20 toward the center of the washing and dewatering tub 11. ing. Other configurations are the same as those of the third embodiment.

The operation of the above configuration will be described. By the rotation of the pulsator 5 and the back blades 12 of the pulsator 5, the washing water in the washing and dewatering tub 11 is sent from the pump chamber 13 to the circulation path 14. The washing water sent to the circulation path 14 is discharged from a discharge port 20 provided in the circulation path 14 toward the center of the washing and dewatering tub 4.
Has an opening shape that is long in the substantially vertical direction, so that the discharge water pressure is high, and the water pressure can be applied from the side from the upper part to the lower part of the laundry.

As described above, according to this embodiment, the washing water is discharged toward the center of the washing and dewatering tub 11 from the discharge port 20 having a substantially long opening shape at a position below the washing water surface. Therefore, the washing water can be circulated without foaming, and the water pressure can be evenly applied from the upper portion to the lower portion of the laundry on the laundry loading net 9, so that the high washing power can be obtained without damaging the clothes. It can be secured without.

(Embodiment 5) As shown in FIGS. 9 and 10, the laundry loading net 21 has a non-perforated flat plate 21a on the outer periphery thereof, and the flat plate 21a is rotated by the pulsator 5 to rotate. The structure is such that the upward water flow is stopped, and the washing water is guided to the outside through the peeling hole 10 of the washing and dewatering tub 4. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. By the rotation of the pulsator 5, the washing water on the upper part of the pulsator 5 is forced out from the center of the washing and dewatering tub 4 to the outside via the upper part of the pulsator 5. The water is sent. For this reason, the suction water flow is generated from the upper part to the lower part of the central part of the washing water surface as shown by the arrow, and the washing water is forced to pass through the inside of the laundry. The washing water sent to the outside is supplied to the non-porous flat plate 2 on the outer periphery of the laundry loading net 21.
1a, it is guided intensively to the peeling hole 10 without leaking to the upper part of the laundry loading net 21.
Turbulence is generated below the laundry loading net 21 and does not hinder the suction water flow.

As described above, according to the present embodiment, the suction water flow caused by the rotation of the pulsator 5 is intensively guided to the peeling hole 10 by the non-perforated flat plate 21a on the outer periphery of the laundry loading net 21. By supplying water to the outside of the washing and dewatering tub 4 through the peeling hole 10, turbulence below the laundry loading net 21 can be prevented, and the suction water flow can be further strengthened. A high detergency can be secured without damaging the surface.

In this embodiment, the perforated flat plate 21a is provided on the outer periphery instead of the laundry loading net 9 of the first embodiment.
Although the case where the laundry mounting net 21 having the above is mounted has been described, the laundry mounting net 9 of the second to fourth embodiments also has the non-perforated flat plate 21a on the outer periphery similarly. By attaching the placement net 21, the same operation and effect can be obtained.

(Embodiment 6) As shown in FIG. 11, the washing and dewatering tub 22 is provided with a convex portion 23 above the peeling hole 10,
The convex portion 23 stops the upward water flow due to the rotation of the pulsator 5 and guides the washing water to the outside through the peeling hole 10. Other configurations are the same as those in the first embodiment.

When the pulsator 5 rotates, the washing water on the upper part of the pulsator 5 is moved outward from the center of the washing and dewatering tub 22 through the upper surface of the pulsator 5. Water is forcibly sent. For this reason, as shown by the arrow, a suction water flow is generated from the upper part to the lower part of the center of the washing water surface, and the washing water is forced to pass through the inside of the laundry. The washing water sent to the outside is not leaked to the upper part of the laundry loading net 9 by the convex portion 23 provided on the washing and dewatering tub 22, and the washing hole 1 is removed.
Since it is intensively guided to 0 and sent to the outside of the washing and dewatering tub 22 through the peeling hole 10, turbulence may be generated below the laundry loading net 9 and obstruction of the suction water flow. Absent.

As described above, according to the present embodiment, the suction water flow caused by the rotation of the pulsator 5 is intensively guided to the peeling hole 10 by the convex portion 23 provided in the washing and dewatering tub 22, and the peeling is performed. By sending water to the outside of the washing and dewatering tub 22 through the hole 10, turbulence below the laundry loading net 9 can be prevented, and the suction water flow can be further strengthened, so that the clothes are not damaged. , A high detergency can be secured.

In this embodiment, the projection 23 is provided above the peeling hole 10 of the first embodiment.
Similarly, the projection 23 is located above the tear-off hole 10.
By providing the same, the same operation and effect can be obtained.

(Embodiment 7) As shown in FIGS. 12 and 13, a substantially horizontally elongated peeling hole 25 is provided on the side wall of the washing and dewatering tub 24. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. By the rotation of the pulsator 5, the washing water on the upper portion of the pulsator 5 is forced outward from the center of the washing and dewatering tub 24 via the upper surface of the pulsator 5. Water is sent to For this reason, as shown by the arrow, a suction water flow is generated from the upper part to the lower part of the center of the washing water surface, and the washing water is forced to pass through the inside of the laundry. Further, the washing water sent to the outside follows the upper surface of the pulsator 5, is guided to the vicinity of the side wall of the washing and dewatering tub 24, and tends to flow along the outer peripheral portion. Therefore, since the opening area is large in the direction in which the water flows, the washing water can efficiently flow from the inside of the washing and dewatering tub 24 to the outside. It does not cause turbulence and hinder the suction flow.

As described above, according to the present embodiment, the suction water flow caused by the rotation of the pulsator 5 is efficiently sent to the outside of the washing and dewatering tub 24 by the horizontally extending hole 25. Since turbulence below the laundry loading net 9 can be prevented and the suction water flow can be further strengthened, a high detergency can be secured without damaging the clothes.

In this embodiment, instead of the peeling hole 10 of the first embodiment, a substantially horizontally long peeling hole 25 is provided. By providing the substantially horizontally elongated peeling hole 25, the same function and effect can be obtained.

(Embodiment 8) As shown in FIGS. 14 and 15, the covering member 27 is used for washing and removing so that the hole 10 provided on the side wall of the washing and dewatering tub 26 is covered with a gap. It is provided outside the water tank 26. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. With the rotation of the pulsator 5, the washing liquid on the upper portion of the pulsator 5 is moved outward from the center of the washing and dewatering tub 26 via the upper surface of the pulsator 5. Water is forcibly sent. For this reason, a suction water flow is generated from the upper part to the lower part of the center of the washing water surface, and is forced to pass through the inside of the laundry. Further, the washing water sent to the outside is sent to the outside of the washing and dewatering tub 26 from the gap between the washing and dewatering tub 26 and the cover member 27 through the peeling hole 10, so that the washing water is The turbulence does not occur below the net 9 and does not hinder the suction water flow from above to below.

Further, in the case of ordinary washing in which the laundry loading net 9 is removed, the cover member 27 for covering the peeling hole 10 is provided.
Is provided outside the washing and dewatering tub 26, so that part of the laundry does not jump out of the peeling hole 10 and is not damaged.

As described above, according to the present embodiment, the covering member 27 that covers the tear hole 10 provided on the side wall of the washing and dewatering tub 26.
Is provided outside the washing and dewatering tub 26, so that in the case of normal washing in which the laundry loading net 9 is detached, a portion of the laundry jumps out of the peeling hole 10 and is prevented from being damaged. can do.

In this embodiment, the peeling hole 10 of the first embodiment is configured to be covered by the covering member 27. However, the covering members 27 are similarly provided in the second to seventh embodiments. Thereby, the same function and effect can be obtained.

(Embodiment 9) A control means (not shown) for controlling the rotation of the pulsator 5 of the second embodiment is provided, and the basic pattern of the water flow obtained by controlling the pulsator 5 by this control means is provided. Is shown in FIG. FIG. 16 (a)
In the case of washing general clothing, the water current pattern shown in FIG. 7 rotates the pulsator 5 at high speed for a long time, and alternately reverses left and right. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. The rotation of the pulsator 5 causes the washing liquid on the pulsator 5 to be forced outward from the center of the washing and dewatering tub 4 through the upper surface of the pulsator 5. The water is sent. For this reason,
The suction water flow at the center of the washing water surface is generated and forced to pass through the inside of the laundry. However, since the pulsator 5 rotates at high speed for a long time, the suction force is large and the circulation amount is large. Therefore, the dirt on the laundry is strongly removed. Although a large amount of washing water is sent to the outside, the washing water is sent to the outside of the washing and dewatering tub 4 through the peeling hole 10,
The turbulence does not occur below the laundry loading net 9 and does not hinder the suction water flow.

On the other hand, the rotation of the back blade 12 of the pulsator 5 causes the washing water in the washing and dewatering tub 4 to be sent from the pump chamber 13 to the circulation path 14.

The washing water sent to the circulation path 14 is discharged toward the center of the washing and dewatering tub 4 from a discharge port 16 provided at an upper portion of the circulation path 14, and the washing water on the laundry loading net 9 is washed. Pour into things. And this washing water is pulsator 5
With the rotation of, suction force is applied, and the laundry passes through the inside of the laundry.

Thereafter, by rotating the pulsator 5 in the opposite direction, the laundry on the laundry loading net 9 is moved, and the washing water poured from the discharge port 16 is evenly applied to the entire laundry, and the laundry is evenly washed. Rinsing can be performed.

As described above, by rotating the pulsator 5 at a high speed for a long time, a large amount of washing water is poured from above the laundry, and the washing water is forcibly passed through the laundry with a strong suction force. By strongly removing dirt and reversing left and right, the position of the laundry can be moved, washing water can be evenly applied, and washing and rinsing can be performed evenly.

The water flow pattern shown in FIG. 16B is for washing delicate clothes, in which the pulsator 5 is rotated at a low speed for a short time and in the same direction. Eliminates friction between clothes when moving laundry, gently pours washing water from above, and allows the washing water to pass softly into the laundry, thereby suppressing damage to clothes and removing dirt.

As described above, according to the present embodiment, the control means for controlling the rotation of the pulsator 5 controls the number of rotations, the rotation time and the rotation direction of the pulsator 5 in accordance with the type of the laundry, and Can reduce damage and remove dirt.

In this embodiment, the rotation of the pulsator 5 of the second embodiment is controlled by the control means. However, the rotation of the pulsator 5 of the first embodiment or the third to eighth embodiments is controlled. , The same operation and effect can be obtained.

(Embodiment 10) As shown in FIGS. 17 and 18, the back blade 29 of the pulsator 28 has a bent shape having a delay angle on one rotation direction side. Other configurations are the same as those of the second embodiment.

The operation of the above construction will be described. The rotation of the pulsator 28 causes the washing liquid on the upper part of the pulsator 28 to flow from the center of the washing and dewatering tub 11 to the pulsator 2.
The water is forcibly sent to the outside via the upper surface of 8.
For this reason, a suction water flow is generated from the upper part to the lower part of the center of the washing water surface, and is forced to pass through the inside of the laundry. Further, since the washing water sent to the outside is sent to the outside of the washing and spin-drying tub 11 through the peeling hole 10, a turbulent flow is generated below the laundry loading net 9 and the suction water flow is obstructed. I will not do it.

On the other hand, the rotation of the back blade 29 of the pulsator 28 causes the washing water in the washing
To the circulation path 14. The washing water sent to the circulation path 14 is discharged toward the center of the washing and dewatering tub 11 from a discharge port 16 provided at an upper portion of the circulation path 14 and is poured into the laundry on the laundry loading net 9. .

The washing water is supplied to the pulsator 28
Of the laundry, it passes through the inside of the laundry. Back feather 29
Is formed in a bent shape having a delay angle on one rotation direction side, so that when it is rotated in the direction shown by the arrow in FIG. 18, the pump-up capacity increases, and the circulation amount can be increased.

As described above, according to the present embodiment, the amount of circulation can be increased and the cleaning power can be improved by rotating the back blade 29 formed in a bent shape having a delay angle in one rotation direction. .

(Embodiment 11) As shown in FIG. 19, a defoaming agent feeding device 30 and a control means (not shown) for controlling the feeding of the defoaming agent are provided. Other configurations are the same as those of the ninth embodiment.

The operation of the above configuration will be described. The rotation of the pulsator 5 causes the washing liquid on the upper portion of the pulsator 5 to be forced outward from the center of the washing and dewatering tub 11 via the upper surface of the pulsator 5. The water is sent. For this reason, a suction water flow is generated from the upper part to the lower part of the center of the washing water surface, and is forced to pass through the inside of the laundry. Further, since the washing water sent to the outside is sent to the outside of the washing and spin-drying tub 11 through the peeling hole 10, a turbulent flow is generated below the laundry loading net 9 and the suction water flow is obstructed. I will not do it.

On the other hand, the rotation of the back blade 12 of the pulsator 5 causes the washing water in the washing and dewatering tub 11 to be sent from the pump chamber 13 to the circulation path 14. The cleaning water sent to the circulation path 14 is supplied to the discharge port 1 provided above the circulation path 14.
It is discharged from 6 toward the center of the washing and dewatering tub 11 and poured into the laundry on the laundry loading net 9. Then, the washing water passes through the inside of the laundry by the rotation of the pulsator 5.

When the pulsator 5 is rotating at a high speed or has been rotating for a long time, the control means adds a predetermined amount of an antifoaming agent to suppress foaming of the washing water.

As described above, since the control means for controlling the addition of the antifoaming agent is provided, foaming of the washing water can be suppressed, and a high detergency can be obtained.

[0074]

As described above, according to the first aspect of the present invention, the pulsator provided at the inner bottom of the washing and dewatering tub and the middle of the washing and dewatering tub in the height direction of the side wall are provided. A laundry loading net provided in a substantially horizontal direction, wherein a plurality of peeling holes are provided on a side wall portion of the washing and dewatering tub below an installation position of the laundry loading net, Since the water flow due to the rotation of the pulsator flows from the inside of the washing and dewatering tub to the outside through the hole, the washing water guided to the vicinity of the side wall of the washing and dewatering tub is supplied to the washing and dewatering tub. By flowing from the inside of the washing and dewatering tub to the outside through the through hole in the side wall part, turbulence below the laundry loading net can be prevented, and the suction water flow due to the rotation of the pulsator And a high detergency can be secured.

According to the second aspect of the present invention, a circulating water channel is provided for guiding the washing water toward above the side wall of the washing and dewatering tub by a pumping action when the pulsator rotates, and a circulating water channel is provided above the circulating water channel. A discharge port is provided in the section, and the washing water is discharged from the discharge port toward the inside of the washing and dewatering tub, so that the washing water is poured from above onto the entire laundry on the laundry loading net. Accordingly, washing can be performed with a small amount of water, and the washing power can be further improved by continuously passing washing water inside the laundry.

According to the third aspect of the present invention, a circulating water channel is provided for guiding the washing water toward the upper side of the side wall of the washing and dewatering tub by a pump action when the pulsator rotates, and the circulating water channel is communicated with the circulating water channel. Since the discharge port is provided, and at least a part of the discharge port is located below the water level at the time of washing, the washing water is discharged from the discharge port toward the inside of the washing and dewatering tub. The washing water is continuously passed through the laundry to improve the washing power, and the washing water is discharged at a position lower than the water level at the time of washing, so that the discharged washing water reaches the water surface. It can be prevented from falling and generating bubbles.

According to the fourth aspect of the present invention, since the discharge port has an opening shape that is long in a substantially vertical direction, the washing water is continuously passed inside the laundry to improve the washing power. By discharging the cleaning water at a position lower than the water level at the time of cleaning, it is possible to prevent the discharged cleaning water from falling on the water surface and generating bubbles. Also,
Since the opening has a shape that is long in the substantially vertical direction, the discharge water pressure can be increased, so that the water pressure can be applied from the side to the upper part and the lower part of the laundry, so that a high washing power can be secured uniformly.

According to the fifth aspect of the present invention, the laundry loading net has a non-perforated flat plate on the outer periphery thereof.
The flat plate stops the upward flow of water due to the rotation of the pulsator, and the cleaning water is guided to the outside through the peeling hole of the washing and dewatering tub. The washing water sent to the outside, along the upper surface of the pulsator, and guided to the vicinity of the side wall of the washing and dewatering tub hits the outer peripheral portion of the laundry-loading net having a non-perforated flat plate, and the laundry-loading net It is led to the hole in the side wall of the washing and dewatering tub without leaking onto the top, and it flows from the inside of the washing and dewatering tub to the outside, so that the suction water flow is further strengthened and high washing power can be secured. it can.

According to the sixth aspect of the present invention, the washing and dewatering tub is provided with a convex portion located above the peeling hole,
The convex portion stops the upward water flow due to the rotation of the pulsator, and the cleaning water is guided to the outside through the hole, so that the pulsator is sucked downward from above by the rotation of the pulsator. The washing water guided to the outer periphery of the washing and dewatering tub along the upper surface of the sweater hits a convex portion located above the peeling hole, and is guided to the peeling hole on the side wall portion of the washing and dewatering tub. By flowing from inside the dewatering tank to the outside,
The suction water flow can be further strengthened, and a high detergency can be secured.

According to the seventh aspect of the present invention, since the removal hole in the side wall of the washing and dewatering tub is formed in a substantially horizontal shape,
By the rotation of the pulsator, it is sucked downward from above,
The washing water which is sent to the outside and follows the upper surface of the pulsator, is guided to the vicinity of the side wall of the washing and dewatering tub, and is likely to flow along the outer peripheral portion. It can flow from the inside to the outside, strengthening the suction water flow and ensuring high cleaning power.

According to the eighth aspect of the present invention, since the covering member is provided outside the washing and dewatering tub to cover the peeling hole with a gap therebetween, the laundry loading net is removed. At the time of normal washing to be performed, the laundry can be prevented from jumping out of the washing and dewatering tub and being damaged.

According to the ninth aspect of the present invention, since the control means for controlling the rotation of the pulsator is provided, the number of rotations, the rotation time and the rotation direction of the pulsator are controlled according to the type of the laundry. In addition, damage to clothing can be suppressed and dirt can be removed.

According to the tenth aspect of the present invention,
Since the back blade of the pulsator has a bent shape having a delay angle on one rotation direction side, the amount of circulating water can be increased depending on the rotation direction of the pulsator, so that high detergency can be secured.

According to the eleventh aspect of the present invention,
Since it has a defoaming agent feeding device for feeding the defoaming agent and a control means for controlling the feeding of the defoaming agent, when foaming is large due to the amount of circulating water, the defoaming agent is added to prevent foaming, and high washing is performed. Power can be secured.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a washing machine according to a first embodiment of the present invention.

FIG. 2 is a front view of a washing and dewatering tub of the washing machine.

FIG. 3 is a vertical sectional view of a washing machine according to a second embodiment of the present invention.

FIG. 4 is an enlarged front view of a circulation channel and a discharge port of the washing machine.

FIG. 5 is a longitudinal sectional view of a washing machine according to a third embodiment of the present invention.

FIG. 6 is an enlarged front view of a circulation channel and a discharge port of the washing machine.

FIG. 7 is a longitudinal sectional view of a washing machine according to a fourth embodiment of the present invention.

FIG. 8 is an enlarged front view of a circulation channel and a discharge port of the washing machine.

FIG. 9 is a longitudinal sectional view of a washing machine according to a fifth embodiment of the present invention.

FIG. 10 is a plan view of a laundry placing net of the washing machine.

FIG. 11 is a longitudinal sectional view of a washing machine according to a sixth embodiment of the present invention.

FIG. 12 is a longitudinal sectional view of a washing machine according to a seventh embodiment of the present invention.

FIG. 13 is a front view of a washing and dewatering tub of the washing machine.

FIG. 14 is a longitudinal sectional view of a main part of a washing machine according to an eighth embodiment of the present invention.

FIG. 15 is a front view of a washing and dewatering tub of the washing machine.

FIG. 16A is a view showing an example of a water flow of the washing machine according to the ninth embodiment of the present invention; FIG. 16B is a view showing another example of the water flow of the washing machine;

FIG. 17 is a longitudinal sectional view of a washing machine according to a tenth embodiment of the present invention.

FIG. 18 is a back view of the pulsator of the washing machine.

FIG. 19 is a longitudinal sectional view of a washing machine according to an eleventh embodiment of the present invention.

FIG. 20 is a longitudinal sectional view of a conventional washing machine.

[Explanation of symbols]

 4 Washing and dewatering tub 5 Pulsator 9 Laundry loading net 10 Peeling hole

Claims (11)

[Claims] A pulsator disposed at an inner bottom portion of the washing and dewatering tub; and a laundry loading net provided in a substantially horizontal direction in a height direction of a side wall of the washing and dewatering tub. A plurality of peel holes are provided on a side wall portion of the washing and dewatering tub below a position where the laundry loading net is installed, and a water flow due to rotation of the pulsator is used for washing and drying through the peel holes. A washing machine configured to flow from the inside of the dewatering tub to the outside. 2. A circulating water channel for guiding washing water toward above the side wall of the washing and dewatering tub by a pump action at the time of rotation of the pulsator, and a discharge port is provided above the circulating water channel. The washing machine according to claim 1, wherein the washing water is discharged toward the inside of the washing / dewatering tub. 3. A circulating water channel for guiding the washing water toward the upper side of the side wall of the washing and dewatering tub by a pump action during rotation of the pulsator. 2. A cleaning device according to claim 1, wherein at least a part of the washing water is positioned below a water level at the time of washing, and the washing water is discharged from the discharge port toward the inside of the washing and dewatering tub.
The washing machine as described. 4. The washing machine according to claim 3, wherein the discharge port has an opening shape elongated in a substantially vertical direction. 5. The laundry loading net has a non-perforated flat plate on the outer periphery thereof, and the flat plate stops an upward flow of water due to the rotation of the pulsator. hand,
The washing machine according to any one of claims 1 to 4, wherein the washing water is guided to the outside. 6. The washing and dewatering tub is provided with a convex portion located above the peeling hole, and stops the upward water flow due to the rotation of the pulsator at the convex portion. The washing machine according to any one of claims 1 to 5, wherein the washing water is guided to the outside. 7. The washing machine according to claim 1, wherein the through hole in the side wall of the washing and dewatering tub is substantially oblong. 8. A washing member and a dewatering tub, wherein a covering member is provided outside the washing and dewatering tub to cover the tear hole with a gap therebetween.
The washing machine according to the item. 9. The washing machine according to claim 1, further comprising control means for controlling rotation of the pulsator. 10. The washing machine according to claim 1, wherein the back blade of the pulsator has a bent shape having a delay angle on one rotation direction side. 11. A defoaming agent feeding device for feeding a defoaming agent, and control means for controlling the feeding of the defoaming agent.
The washing machine according to any one of the preceding claims.