JPH08215469A - Washing machine - Google Patents

Abstract

PURPOSE: To hold clothes at the prescribed position in a washing/spin-drying tub with a partition body, arrange the partition body to easily feed a washing liquid through the clothes, and stably remove stains without stirring the clothes in a washing machine washing the clothes via the circulation of the washing liquid without directly stirring the clothes in the washing/spin-drying tub with a pulsator. CONSTITUTION: A pulsator 5 is rotatably arranged at the bottom section of a washing/spin-drying tub 4, a pump chamber 10 is formed on the outer periphery of back vanes 9 provided on the pulsator 5, and the washing liquid in the washing/spin-drying tub 4 is fed to a sprinkling port 12 formed at the upper section of the washing/spin-drying tub 4 through a circulation passage 11 by the pump chamber 10. A partition body 13 is arranged above the pulsator 5 to cover the pulsator 5, the partition body 13 is integrally formed with a rigid body at the outer periphery section 13a and a net body at the inner face section 13b, and the outer periphery section 13a is formed into a shape along the inner periphery section of the washing/spin-drying tub 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine for washing clothes in a washing / dehydrating tank by circulating a washing liquid without directly stirring the clothes with a pulsator.

[0002]

2. Description of the Related Art Conventionally, agitation type washing machines have been mainly used as a washing machine, and a typical example of the washing machine is a pulsator type washing machine. Pour a predetermined amount of water and detergent, stir the pulsator to stir the clothing and water, dissolve the detergent and act on the clothing stains, and rub between the clothing, or The dirt was removed by rubbing the clothes against the inner wall surface of the washing / dehydrating tank and the surface of the pulsator.

[0003]

In such a conventional washing machine using the agitation method, the surface of the clothes is fluffed or frayed due to friction depending on the kind of the clothes, or the clothes are entangled and stretched. It had a problem of damaging clothes. Further, when the stirring force is weakened to reduce the frictional force of the clothes, there is a problem that sufficient washing performance cannot be ensured. further,
From the viewpoint of resource saving and energy saving such as water saving and detergent, a pulsator-type washing machine varies depending on the amount of clothes, but from 40 to 60 liters of water per wash, and a predetermined amount corresponding to the amount of water. There is a problem that a detergent is required and a large amount of water of about 120 liters to 180 liters is required when the rinsing process is included.

The present invention is to solve the above-mentioned problems. A partition body holds clothes at a predetermined position in a washing / dehydrating tub, and the inner surface of the partition body serves as a net to allow washing liquid to pass through the clothes. The first purpose is to easily remove stains without agitating clothes by making it easy to do.

A second object is to remove the dirt without damaging the clothes by stably holding the partition at a predetermined position in the washing / dehydrating tub.

A third object is to remove the dirt without damaging the clothes by making the inner surface of the partition body deformable downward against the external force.

A fourth object of the present invention is to remove stains without damaging clothes by making the inner surface of the partition body freely deformable with respect to external force.

A fifth object is to remove the dirt with a small amount of water and detergent without damaging the clothes by allowing the inner surface of the partition body to move downward with respect to the external force. .

A sixth object is to remove the dirt with a small amount of water and detergent without damaging the clothes by allowing the inner surface of the partition body to freely move downward with respect to the external force. .

[0010]

In order to achieve the first object, the present invention provides a pulsator rotatably disposed at the bottom of a washing / dehydrating tub and an outer peripheral portion of a back blade provided on the pulsator. A pump chamber formed in the above, a circulation channel for supplying the washing liquid in the washing / dehydrating tub to a sprinkler port formed in the upper part of the washing / dehydrating tub by this pump chamber, and a pulsator covering the pulsator above the pulsator. The partition body is provided integrally with the partition body, the outer peripheral surface portion being a rigid body and the inner surface portion being a net body, and the outer peripheral surface portion having a shape along the inner peripheral portion of the washing / dehydrating tub. This is the first means for solving the problem.

In order to achieve the second object, the partition body is constructed by integrally forming an outer peripheral surface portion with a rigid body and an inner surface portion with a mesh body, and an elastic body on the outer periphery of the end portion of the outer peripheral surface portion. A second problem solving means is that a holding body is provided and the partition body is held on the inner peripheral portion of the washing / dehydrating tub via the holding body.

In order to achieve the third object, the partition body is made of a porous body, and the inner surface portion is thinner than the outer peripheral surface portion. I am trying.

In order to achieve the fourth object, the partition body is made of a porous body, and the outer peripheral surface portion made of a rigid body and the inner surface portion made of an elastic body are integrally formed. Is used as a means for solving the problem.

In order to achieve the fifth object, the partition body is composed of an outer peripheral surface portion and an inner surface portion made of a porous body,
A fifth problem solving means is that the outer peripheral surface portion and the inner surface portion are connected by a connecting body and the thickness of the connecting body is smaller than the thickness of both the outer peripheral surface portion and the inner surface portion.

In order to achieve the sixth object, the partition body is composed of an outer peripheral surface portion and an inner surface portion made of a porous body,
A sixth problem solving means is that the outer peripheral surface portion and the inner surface portion are connected by a connecting body made of an elastic body.

[0016]

According to the first means for solving the above problems, the present invention provides:
The partition that is held in place in the washing and dehydration tub is
Since the inner surface portion is composed of the mesh body, when the washing liquid is supplied from the sprinkling port in the upper part of the washing / dehydrating tank by the rotation of the pulsator, the washing liquid easily passes through the partition body. For this reason, if you set dirty clothes on the upper part of the partition, it is possible to allow the washing liquid to pass evenly from above to below the clothes, and to remove the dirt without rubbing between the clothes. You can

Further, according to the second means for solving the problems, it becomes possible to press the partition body against the inner peripheral portion of the washing / dehydrating tub by the holding body, and even when an external force is applied to the partition body,
The partition body can be held at a predetermined position and can be prevented from coming off from the washing / dehydrating tub.

According to the third means for solving the problems, the partition body is made of a porous body and the inner surface portion is thinner than the outer peripheral surface portion. Even if an external force is applied to the clothes when the washing liquid is supplied from the sprinkling port or when the laundry liquid passes through the clothes, the inner surface of the partition body can be deformed downward and the external force can be relaxed without damaging the clothes. Removal of dirt can be performed.

According to the fourth means for solving the problems, the partition body is made of a porous body, and the outer peripheral surface portion made of a rigid body and the inner surface portion made of an elastic body are integrally formed. Even if an irregular external force is applied to the clothes when the washing liquid is supplied from the sprinkle port at the top of the dehydration tub or the clothes pass through the clothes, the inner surface of the partition body is freely deformed downward,
The stain can be removed without damaging the clothes.

Further, according to the fifth means for solving the problems, the partition body is configured so that the thickness of the connecting body is thinner than the thickness of both the outer peripheral surface portion and the inner surface portion. When an external force is applied to the clothes when the washing liquid is supplied or the clothes pass through the clothes, the inner surface can be moved downward by the external force, and even if the amount of water is small enough to expose the clothes above the washing water surface. The outer surface moves the inner surface downward, so that the clothes can be immersed in the washing liquid to remove dirt.

Further, according to the sixth means for solving the problems, the partition body connects the outer peripheral surface portion and the inner surface portion by the connecting body made of the elastic body, so that the washing liquid from the sprinkling port at the upper part of the washing / dehydrating tub is When an external force is applied to the clothes when the clothes are supplied or the laundry passes through the clothes, the inner surface can be freely moved downward by the external force, and even if the amount of water is such that the clothes are exposed below the washing water surface, The inner surface portion is freely moved downward by an external force, so that the external force applied to the clothes can be relaxed and the clothes can be immersed in the washing liquid at the same time, and the stains can be removed without damaging the clothes.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.

As shown in FIG. 1, the washing machine outer frame 1 suspends a water receiving tub 3 by four suspension bars 2. A washing / dehydrating tub (hereinafter referred to as a washing tub) 4 is rotatably arranged in the water receiving tub 3, and a pulsator 5 is rotatably arranged at the bottom of the washing tub 4. The motor 6 drives the pulsator 5 and the washing tub 4 via the V belt 7 and the speed reduction mechanism 8. A pump chamber 10 is formed on the outer peripheral portion of the back blade 9 provided in the pulsator 5, and the washing liquid in the washing tub 4 is dispersed from the pump chamber 10 to the upper part of the washing tub 4 via the circulating water passage 11. Water is supplied to the water outlet 12.

The partition 13 is arranged above the pulsator 5 so as to cover the pulsator 5. As shown in FIG. 2, the partition body 13 is integrally configured by an outer peripheral surface portion 13a made of a rigid body and an inner surface portion 13b made of a net, and the outer peripheral surface portion 13a is an inner peripheral portion of the washing tub 4. The shape follows.

The operation of the above structure will be described. After the clothes are set on the upper surface of the partition body 13 and a predetermined amount of water and detergent liquid are poured into the washing tub 4, the operation is started. As a result, the motor 6 is driven, and the pulsator 5 rotates via the V belt 7 and the speed reduction mechanism 8. The back blade 9 of the pulsator 5 rotates as the pulsator 5 rotates, and the washing liquid in the washing tub 4 is sent from the pump chamber 10 to the circulation path 11. The washing liquid sent to the circulation path 11 is sent to the sprinkling port 12 provided in the upper part of the washing tub 4, and is sprinkled from the sprinkling port 12 to the clothes set on the upper surface of the partition body 13.

On the other hand, the washing liquid on the upper part of the pulsator 5 is forcibly sent to the outside from the center of the washing tub 4 through the upper surface of the pulsator 5 by the rotation of the pulsator 5. Therefore, a water flow is generated from the upper part of the central part of the washing liquid surface to the lower part. Like this pulsator 5
By the rotation, the washing liquid is supplied to the clothes on the upper surface of the partition body 13 from the upper part, and the clothes are forcedly passed through the inside of the clothes by the water flow from the upper side to the lower side. Moreover, since the inner surface portion 13a of the partition body 13 is composed of the mesh body, it is possible to easily pass the laundry liquid through the clothes, and thereby the dirt can be removed without stirring the clothes.

Next, a second embodiment of the present invention will be described with reference to FIGS. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the partition body 14 is integrally constructed by an outer peripheral surface portion 14a made of a rigid body and an inner surface portion 14b made of a net body, and is made of an elastic body on the outer periphery of the end portion of the outer peripheral surface portion 14a. A body 14c is provided.

Therefore, as shown in FIG. 4, the partition 1
4 can be pressed against the inner peripheral portion of the washing tub 4 via the holding body 14c, and can be prevented from coming off the washing tub 4 even when an external force is applied to the partition body 14.

Next, a third embodiment of the present invention will be described with reference to FIGS. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the partition body 15 is made of a porous body, and the inner surface portion 1 is different from the thickness of the outer peripheral surface portion 15a.
5b is configured to be thin, and is arranged above the pulsator 5 so as to cover the pulsator 5.

The operation of the above structure will be described. When the pulsator 5 rotates, the washing liquid is supplied to the clothes on the upper surface of the partition body 15 from the upper part, and a water flow from the upper part to the lower part occurs. Resistance occurs when the washing liquid passes through. At this time, since the thickness of the inner surface portion 15b of the partition body 15 is reduced, the inner surface portion 15b of the partition body 15 is deformed downward as shown in FIG. 6 according to the magnitude of the passing resistance generated. Therefore, it is possible to prevent an excessive external force from being applied to the clothes.

Next, a fourth embodiment of the present invention will be described with reference to FIGS. 7 and 8. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the partition body 16 is made of a porous body and is made of a rigid body.
The inner surface 16b made of a and an elastic body is integrally formed, and is disposed above the pulsator 5 so as to cover the pulsator 5.

The operation of the above structure will be described. When the pulsator 5 is rotated, the washing liquid is supplied to the clothes on the upper surface of the partition body 16 from the upper part and a water flow from the upper part to the lower part is generated. Resistance occurs when the washing liquid passes through. At this time, since the inner surface portion 16b of the partition body 16 is made of an elastic body, the inner surface portion 16b of the partition body 16 depends on the magnitude of the passing resistance generated.
As shown in FIG. 8, b can be freely deformed downward, which can prevent excessive external force from being applied to the clothes.

Next, a fifth embodiment of the present invention will be described with reference to FIGS. 9 and 10. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the partition body 17 is composed of an outer peripheral surface portion 17a and an inner surface portion 17b made of a porous body. The outer peripheral surface portion 17a and the inner surface portion 17b are connected by a connecting body 17c, and Thickness is the outer peripheral surface portion 17a
And the inner surface portion 17b are both thinner than
The pulsator 5 is arranged above the pulsator 5 so as to cover the pulsator 5.

The operation of the above structure will be described. When the pulsator 5 rotates, the washing liquid is supplied to the clothes on the upper surface of the partition body 17 from the upper part, and a water flow from the upper part to the lower part occurs. Resistance occurs when the washing liquid passes through. At this time, a connecting body 17c connecting the outer peripheral surface portion 17a and the inner surface portion 17b of the partition body 17
The thickness of the partition body 17 is smaller than the thickness of both the outer peripheral surface portion 17a and the inner surface portion 17b.
The inner surface portion 17b of the member moves downward as shown in FIG.

Therefore, even if the amount of water is such that the clothes are exposed above the washing water surface for the purpose of saving water, the inner surface portion 17
By moving b downward, the clothes can be immersed in the washing liquid, and stable washing performance can be obtained.

Next, a sixth embodiment of the present invention will be described with reference to FIGS. 11 and 12. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the partition body 18 is composed of an outer peripheral surface portion 18a and an inner surface portion 18b made of a porous body, and the outer peripheral surface portion 18a and the inner surface portion 18b are made of an elastic body.
The connection is made by 8c, and the pulsator 5 is arranged above the pulsator 5 so as to cover the pulsator 5.

The operation of the above structure will be described. When the pulsator 5 rotates, the washing liquid is supplied from above to the clothes on the upper surface of the partition body 18, and when a water flow from above to below occurs, the inside of the clothes is Resistance occurs when the washing liquid passes through. At this time, a connecting body 18c connecting the outer peripheral surface portion 18a and the inner surface portion 18b of the partition body 18 to each other.
Since it is composed of an elastic body, the inner surface portion 18b of the partition body 18 freely moves downward as shown in FIG.

Therefore, the external force applied to the clothes can be relieved, and even if the amount of water is such that the clothes are exposed from the washing water surface for the purpose of saving water, the clothes are immersed in the washing liquid by the downward movement of the inner surface portion 18b. It becomes possible to immerse, and stable cleaning performance can be obtained.

[0044]

As described above, according to the present invention, the pulsator rotatably disposed at the bottom of the washing / dehydrating tub, the pump chamber formed on the outer peripheral portion of the back blade provided on the pulsator, and the pump chamber. A circulating water channel for sending the washing liquid in the washing / dehydrating tub to a sprinkling port formed in the upper part of the washing / dehydrating tub, and a partitioning body arranged above the pulsator so as to cover the pulsator, The partition body is constructed by integrally forming the outer peripheral surface portion with a rigid body and the inner surface portion with a mesh body, and the outer peripheral surface portion having a shape along the inner peripheral portion of the washing / dehydrating tub. Therefore, the clothes set on the upper portion of the partition body. On the other hand, the washing liquid can be evenly passed from the upper side to the lower side for washing, and the stains can be removed without damaging the clothes.

Further, the partition body is constructed by integrally forming an outer peripheral surface portion with a rigid body and an inner surface portion with a mesh body, and a holding body made of an elastic body is provided on an outer periphery of an end portion of the outer peripheral surface portion. Since the partition body is configured to be held on the inner peripheral portion of the washing and dehydrating tub, even when an external force is applied to the partition body, it is possible to prevent the partition body from coming off from the washing tub,
The stain can be removed without damaging the clothes.

The partition body is composed of a porous body,
Moreover, since the thickness of the inner surface portion is thinner than the thickness of the outer peripheral surface portion, even when an external force is applied to the clothing,
The external force can be relieved by the downward deformation of the inner surface of the partition body, and the dirt can be removed without damaging the clothes.

The partition body is composed of a porous body,
Moreover, since the outer peripheral surface part made of a rigid body and the inner surface part made of an elastic body are integrally formed, the inner surface part of the partition body is freely deformed downward even when an irregular external force is applied to the clothing. , It is possible to remove dirt without damaging clothes.

The partition body is composed of an outer peripheral surface portion and an inner surface portion made of a porous body, and the outer peripheral surface portion and the inner surface portion are connected by a connecting body, and the thickness of the connecting body is greater than the thickness of both the outer peripheral surface portion and the inner surface portion. Since it is made thinner, even if the amount of water is such that the clothes are exposed above the washing water surface for the purpose of saving water, the clothes are washed in the washing liquid by the downward movement of the inner surface part due to the upward and downward water flow generated by the rotation of the pulsator. It becomes possible to immerse in, and a stable cleaning performance can be obtained.

Further, since the partition body is composed of the outer peripheral surface portion and the inner surface portion made of the porous body, and the outer peripheral surface portion and the inner surface portion are connected by the connection body made of the elastic body, the clothing is made for the purpose of saving water. Even when the amount of water exposed from the surface of the washing water is set, the downward movement of the inner surface part caused by the downward flow of water generated by the rotation of the pulsator can reduce the external force applied to the clothes, and the clothes can be washed. It becomes possible to immerse it in the inside, and it is possible to obtain stable washing performance without damaging the clothes.

[Brief description of drawings]

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

[Fig. 2] (a) Plan view of the partition of the washing machine (b) Cross-sectional view of the partition of the washing machine

FIG. 3A is a plan view of a partition of the washing machine according to the second embodiment of the present invention, and FIG. 3B is a sectional view of the partition of the washing machine.

FIG. 4 is a sectional view of the washing machine.

FIG. 5 (a) is a partially cutaway plan view of a partition of a washing machine according to a third embodiment of the present invention (b) is a sectional view of the partition of the same washing machine

FIG. 6 is a sectional view of the washing machine.

FIG. 7 (a) is a partially cutaway plan view of a partition of a washing machine according to a fourth embodiment of the present invention (b) is a sectional view of the partition of the same washing machine

FIG. 8 is a sectional view of the washing machine.

FIG. 9 (a) is a partially cutaway plan view of a partition of a washing machine according to a fifth embodiment of the present invention (b) is a sectional view of the partition of the same washing machine

FIG. 10 is a sectional view of the washing machine.

FIG. 11A is a partially cutaway plan view of a partition of a washing machine according to a sixth embodiment of the present invention. FIG. 11B is a sectional view of the partition of the washing machine.

FIG. 12 is a sectional view of the washing machine.

[Explanation of symbols]

 4 Washing / Dehydrating Tank 5 Pulsator 9 Back Blade 10 Pump Room 11 Circulating Water Channel 12 Sprinkling Port 13 Partition 13a Outer Surface 13b Inner Surface

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Fumio Ota 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (6)

[Claims] 1. A pulsator rotatably arranged at the bottom of the washing / dehydrating tub, a pump chamber formed on the outer peripheral portion of the back blade provided on the pulsator, and a pump chamber for the inside of the washing / dehydrating tub. A circulation water channel for supplying washing liquid to a sprinkling port formed in the upper part of the washing / dehydrating tub, and a partition body arranged above the pulsator so as to cover the pulsator, and the partition body has an outer peripheral surface portion. A washing machine in which a rigid body and an inner surface portion are integrally formed by a mesh body, and an outer peripheral surface portion has a shape along the inner peripheral portion of the washing / dehydrating tub. 2. A pulsator rotatably disposed at the bottom of the washing / dehydrating tub, a pump chamber formed on an outer peripheral portion of a back blade provided on the pulsator, and a pump chamber provided in the washing / dehydrating tub. A circulation water channel for supplying washing liquid to a sprinkling port formed in the upper part of the washing / dehydrating tub, and a partition body arranged above the pulsator so as to cover the pulsator, and the partition body has an outer peripheral surface portion. The rigid body and the inner surface portion are integrally formed by a net body, and a holding body made of an elastic body is provided on the outer periphery of the end portion of the outer peripheral surface portion, and the partition body is provided on the inner circumferential portion of the washing / dehydrating tank through the holding body. A washing machine configured to hold. 3. A pulsator rotatably disposed at the bottom of the washing / dehydrating tub, a pump chamber formed on an outer peripheral portion of a back blade provided on the pulsator, and a pump chamber for arranging the inside of the washing / dehydrating tub. A circulating water channel for supplying a washing liquid to a sprinkling port formed in the upper part of the washing and dehydrating tub, and a partition body arranged above the pulsator so as to cover the pulsator, the partition body being a porous body. A washing machine configured such that the inner surface portion is thinner than the outer peripheral surface portion. 4. A pulsator rotatably arranged at the bottom of the washing / dehydrating tub, a pump chamber formed on the outer peripheral portion of the back blade provided on the pulsator, and a pump chamber for the inside of the washing / dehydrating tub. A circulating water channel for supplying a washing liquid to a sprinkling port formed in the upper part of the washing and dehydrating tub, and a partition body arranged above the pulsator so as to cover the pulsator, the partition body being a porous body. A washing machine having an outer peripheral surface made of a rigid body and an inner surface made of an elastic body. 5. A pulsator rotatably disposed at the bottom of the washing / dehydrating tub, a pump chamber formed on an outer peripheral portion of a back blade provided on the pulsator, and a pump chamber formed in the washing / dehydrating tub. A circulating water channel for supplying a washing liquid to a sprinkling port formed in the upper part of the washing and dehydrating tub, and a partition body arranged above the pulsator so as to cover the pulsator, the partition body being a porous body. A washing machine comprising an outer peripheral surface portion and an inner surface portion, wherein the outer peripheral surface portion and the inner surface portion are connected by a connecting body, and the thickness of the connecting body is thinner than both the outer peripheral surface portion and the inner surface portion. 6. A pulsator rotatably disposed at the bottom of the washing / dehydrating tub, a pump chamber formed on the outer peripheral portion of the back blade provided on the pulsator, and a pump chamber inside the washing / dehydrating tub. A circulating water channel for supplying a washing liquid to a sprinkling port formed in the upper part of the washing and dehydrating tub, and a partition body arranged above the pulsator so as to cover the pulsator, the partition body being a porous body. A washing machine configured to include an outer peripheral surface portion and an inner surface portion, and the outer peripheral surface portion and the inner surface portion are connected by a connecting body made of an elastic body.