JPH09294894A - Washing machine - Google Patents

Abstract

(57) [Abstract] [Problem] In a washing machine capable of washing by push-washing, the force (pushing force) caused by the circulating water falling on the laundry on the porous body is surely exerted evenly in the central portion and the outer peripheral portion of the porous body. Improve the cleaning performance by eliminating uneven washing. SOLUTION: A rotating blade 2 is rotatably arranged on the bottom surface of a washing / dehydrating tank 3 arranged in an outer tub 1, and the rotating blade 2 is driven by a motor 18. Lower blade 10 on the back surface of rotor 2
An upper circulation water channel 8 and a lower circulation water channel 9 are formed on a side wall of the washing / dehydrating tub 3 from a pump chamber 11 formed on the outer periphery of the upper discharge port 1 toward the center of the washing / dehydrating tub 3.
2 and the lower discharge port 13 are provided. A porous body 23 is detachably attached above the rotary blade 2 so as to cover the rotary blade 2,
Mountain-shaped protrusions 27 are provided on the porous body 23.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to washing and washing of a washing machine.

[0002]

2. Description of the Related Art Conventionally, many households push fragile clothes by hand, and a washing machine capable of washing the clothes has been proposed. This type of washing machine was constructed as shown in FIG. Hereinafter, the configuration will be described.

As shown in the figure, the outer tub 1 includes a washing / dehydrating tub (hereinafter referred to as a washing tub) 3 in which a rotary blade 2 is rotatably arranged at the bottom, and a washing machine main body 5 is provided by a hanging rod 4. Is hung on. The circulating water channel covers 6 and 7 are attached to the inner surface of the washing tub 3 and form an upper circulating water channel (circulating water channel) 8 and a lower circulating water channel (circulating water channel) 9 independent from each other with the washing tank 3. .

A lower blade 10 is integrally provided on the back surface of the rotary blade 2, and a pump chamber 11 formed on the outer periphery of the lower blade 10 is communicated with an upper circulating water channel 8 and a lower circulating water channel 9. An upper discharge port (discharge port) 12 and a lower discharge port (discharge port) 13 opening toward the inside of the washing tub 3 are provided above the upper circulation water channel 8 and the lower circulation water channel 9, and a porous body is provided on the rotary blade 2. 14 is detachably provided.

As shown in FIG. 7, the porous body 14 has a large number of through holes 15 and is provided with a hinge portion 16 so that it can be easily attached to the washing tub 3 so that it can be folded in two. A notch 17 is provided so as to match the upper circulation water passage 8 and the lower circulation water passage 9 so that the water can be reliably set in the washing tub 3. The motor 18 drives the rotary wing 2 or the washing tub 3 via the V-belt 19 and the speed reduction mechanism / clutch 20. The control device 21 controls the operations of the motor 18 and the like to control various functions.

The operation of the above structure will be described. The porous body 14 is set in the washing tub 3 and the laundry 22 is placed in the porous body 1.
4 and press a start button (not shown) provided on the control device 21 to start the operation and supply water to a predetermined water level. When the water supply is completed, the motor 18 is energized and the V-belt 19 The rotary blade 2 is driven to rotate in the right direction, stop, rotate left, stop, and reverse through the deceleration mechanism / clutch 20.

When the rotary blade 2 is driven in reverse, the laundry (clothes) 22 set on the porous body 14 is rotated by the rotation of the rotary blade 2 to rotate the lower blade 10 provided on the back surface thereof. The washing water around it passes through the pump chamber 11, the upper circulation water passage 8 and the lower circulation water passage 9, and the washing liquid is poured in a waterfall shape from the upper discharge port 12 and the lower discharge port 13. The laundry 22 is washed by the passage of the washing liquid and the water flow acting on the laundry 22 through the through holes 15 provided in the porous body 14.

Therefore, even delicate clothes such as blouses and sweaters that have been difficult to wash can be washed without losing their shape and damage, and can be washed with a small amount of water and detergent. .

That is, the points of washing clothes that are easily damaged are that the rotary blade 2 and the clothes do not come into contact with each other, and that the force of the water flow acts on the clothes to a small extent. The contact of the blades 2 is prevented, the water flow acts on the clothes through a large number of through holes 15 provided in the porous body 14, and the circulating water passing through the upper circulation water channel 8 and the lower circulation water channel 9 is discharged to the upper discharge port 12. By falling from the lower discharge port 13 and applying a force to the clothes, the point for washing the easily damaged clothes is satisfied.

[0010]

With such a conventional structure, there is no problem with the basic structure for washing perishable clothes with a washing machine, but the weight that can be washed at one time is as small as about 1.2 kg, and the porous body is used. Washing unevenness may occur depending on the position of the laundry placed on 14, so that washing may be insufficient.

The present invention is intended to solve the above-mentioned problems, and ensures that the force (pushing force) caused by the circulating water falling on the laundry on the porous body works evenly in the central portion and the outer peripheral portion of the porous body. The purpose is to eliminate unevenness and improve cleaning performance.

[0012]

In the washing machine of the present invention, rotary blades are rotatably arranged on the bottom surface of the washing / dehydrating tank arranged in the outer tub, and the rotary blades are driven by a motor.
An upper circulation water channel and a lower circulation water channel are formed on the side wall of the washing / dehydrating tub from the pump chamber formed on the outer periphery of the lower blade on the back surface of the rotary blade, and the opening is directed toward the center of the washing / dehydrating tub. An outlet and a lower outlet are provided. A porous body is detachably attached to the upper side of the rotary blade so as to cover the rotary blade, and a mountain-shaped projection is provided on the porous body.

Thus, the force (pushing force) caused by the circulating water falling on the laundry on the porous body can be surely exerted evenly on the central portion and the outer peripheral portion of the porous body to improve the cleaning performance by eliminating the uneven washing. can do.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention comprises a washing / dehydrating tub disposed in an outer tub, and a rotary blade rotatably disposed on the bottom surface of the washing / dehydrating tub. A motor for driving the rotary vane, a circulation water passage formed on the side wall of the washing / dehydrating tank from a pump chamber formed on the outer periphery of the lower blade on the back surface of the rotary vane, and an opening of the circulation water passage for the washing / dehydrating tank. A discharge port arranged toward the center of the rotary blade, and a porous body detachably attached to the rotary blade so as to cover the rotary blade, and the mountain-shaped projection is provided on the porous body. Yes, the water that dropped from the discharge port exerts a pushing force on the laundry,
The water that hits the mountain projections moves the laundry laterally when it hits the sloped parts of the mountain projections, causing an effect of washing the laundry as if it were scumming, and the center and outer periphery of the porous body are evenly distributed. The washing power can be applied, and uneven washing can be eliminated to improve the washing performance.

According to a second aspect of the present invention, in the first aspect of the present invention, the mountain-shaped projections of the porous body are such that the mountain cross-sections are not symmetrical, and the mountain-shaped projections are inclined to the inclined portion. The falling water and the lateral movement of the laundry are intricately entangled with each other to generate a stronger scrubbing action.

According to a third aspect of the present invention, in the first aspect of the present invention, the small porous body is rotatably mounted on the porous body via a support shaft, and the small porous body is provided with a mountain-shaped projection. The washing force can be adjusted by removing the small porous body when it is desired to weaken the washing force while applying a complicated and strong pushing force and a kneading force to the laundry.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

(Embodiment 1) As shown in FIGS. 1 and 2, the porous body 23 has a large number of through holes 24 and has a washing tub 3
The hinge part 25 is provided so that it can be easily mounted on the washing tub 3, and the hinge part 25 can be folded in two. I am trying. The mountain-shaped projections 27 are provided on the porous body 23 so that the mountain-shaped projections 27 are not symmetrical in cross section. Other configurations are the same as the conventional example.

The operation of the above structure will be described. The porous body 23 is set in the washing tub 3 and the laundry 22 is placed in the porous body 2.
3 is placed on the porous body 23 and the operation is started, the lower blade 10 provided on the back surface of the laundry (clothing) 22 set on the porous body 23 is rotated by the rotation of the rotary blade 2. As a result, the washing water in the vicinity passes through the pump chamber 11, the upper circulation water passage 8 and the lower circulation water passage 9, and the washing liquid is poured in a waterfall shape from the upper discharge port 12 and the lower discharge port 13.

The water dropped from the upper discharge port 12 and the lower discharge port 13 applies a pressing force to the laundry 22, and at the same time, the water flows through the through hole 24 provided in the porous body 23 to the laundry 22.
The laundry 22 is washed by acting on. Further, as shown in FIG. 3, when the water hits the mountain-shaped projections 27, when the water hits the inclined portions of the mountain-shaped projections 27, the laundry 22 is moved laterally, and the laundry 22 has an action of washing the clothes 22 as if it were scrubbing. The cleaning force is generated evenly in the central portion and the outer peripheral portion of the porous body 23.

Further, since the mountain-shaped projections 27 of the porous body 23 do not have a mountain cross-section that is not symmetrical, the mountain-shaped projections 27 are formed.
The water falling on the inclined portion and the lateral movement of the laundry 22 are intricately entangled with each other, a stronger scrubbing action is performed, and uneven washing can be eliminated to improve the washing performance.

(Embodiment 2) As shown in FIGS. 4 and 5, the porous body 28 has a large number of through holes 29, and the small porous body 30 is rotatably attached to the porous body 28 via a support shaft 31. And the mountain-shaped projections 32 are provided on the small porous body 30. Other configurations are the same as those in the first embodiment.

The operation of the above structure will be described. When the porous body 28 is set in the washing tub 3, the laundry 22 is placed on the porous body 28 including the small porous body 30, and the operation is started. On the laundry (clothing) 22 set on 28, the lower blade 10 provided on the back surface of the rotary blade 2 is rotated by the rotation of the rotary blade 2.
As the washing water rotates, the washing water in the vicinity passes through the pump chamber 11, the upper circulation water passage 8 and the lower circulation water passage 9, and the washing liquid is poured in a waterfall shape from the upper discharge port 12 and the lower discharge port 13.

The water that has dropped from the upper outlet 12 and the lower outlet 13 applies a pressing force to the laundry 22, and at the same time, the water flow is passed through the through hole 29 provided in the porous body 28 to the laundry 22.
The laundry 22 is washed by acting on. Furthermore, the water that hits the mountain-shaped projections 32 of the small porous body 30 moves the laundry 22 laterally when it hits the inclined portion of the mountain-shaped projections 32, and also rotates the small porous body 30 to, for example, Two
By moving to the position shown by the dotted line, a complicated and strong pushing force and a kneading force can be applied to the laundry to eliminate uneven washing and improve the washing performance.

When the laundry 22 has a small capacity or when it is desired to weaken the washing power such as delicate clothes, the washing power can be adjusted by removing the small porous body 30.

[0026]

As described above, according to the first aspect of the present invention, the washing / dehydrating tub disposed in the outer tub and the rotatably disposed on the bottom surface of the washing / dehydrating tub. A rotary vane, a motor for driving the rotary vane, a circulation channel formed on a side wall of the washing / dehydrating tank from a pump chamber formed on the outer periphery of the lower blade on the back surface of the rotary vane, and an opening of the circulation channel. A discharge port disposed toward the center of the washing / dehydrating tub and a porous body detachably attached above the rotary blade so as to cover the rotary blade are provided, and a mountain-shaped projection is formed on the porous body. Because it was set up,
At the same time as the water that has dropped from the discharge port exerts a pressing force on the laundry, the water that hits the mountain protrusions moves the laundry sideways when it hits the sloped portion of the mountain protrusions, as if washing the clothes. It is possible to generate a function of causing the washing force to act evenly on the central portion and the outer peripheral portion of the porous body, and it is possible to improve the washing performance by eliminating the washing unevenness.

According to the second aspect of the present invention, since the mountain-shaped projections of the porous body are not symmetrical in cross section of the mountain-shaped projections, the water falling on the inclined portion of the mountain-shaped projections and the lateral side of the laundry are The movement in the direction is entangled intricately, and a stronger scrubbing action can be generated.

According to the third aspect of the present invention, since the small porous body is rotatably mounted on the porous body via the support shaft and the small porous body is provided with the mountain-shaped projections, the laundry is complicated. In addition to applying a strong pushing force and a kneading force, the washing force can be adjusted by removing the small porous body when the laundry has a small capacity or when it is desired to weaken the washing force such as in the case of delicate 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 is an enlarged plan view of a porous body of the washing machine.

FIG. 3 is a sectional view of an essential part for explaining an operating state of the washing machine.

FIG. 4 is a plan view of a porous body equipped with a small porous body of a washing machine according to a second embodiment of the present invention.

FIG. 5 is a sectional view of a porous body equipped with a small porous body of the washing machine.

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

FIG. 7 is an enlarged plan view of a porous body of the washing machine.

[Explanation of symbols]

 1 Outer Tank 2 Rotating Blade 3 Washing / Dehydrating Tank 8 Upper Circulation Channel (Circulating Channel) 9 Lower Circulation Channel (Circular Channel) 10 Lower Blade 11 Pump Chamber 12 Upper Discharge Port (Discharge Port) 13 Lower Discharge Port (Discharge Port) 18 motor 23 porous body 24 through hole 27 mountain-shaped protrusion

Claims (3)

[Claims] 1. A washing / dehydrating tub disposed in an outer tub, a rotary blade rotatably disposed on a bottom surface of the washing / dehydrating tub, a motor for driving the rotary wing, and a back surface of the rotary wing. A circulating water channel formed on the side wall of the washing / dehydrating tub from a pump chamber formed on the outer periphery of the lower blade of the lower blade, a discharge port having an opening of the circulating water channel directed toward the center of the washing / dehydrating tub, and A washing machine having a porous body detachably attached to the upper side of the rotary blade so as to cover the rotary blade, and the mountain-shaped projection is provided on the porous body. 2. The washing machine according to claim 1, wherein the mountain-shaped projections of the porous body are configured so that the mountain cross-section is not symmetrical. 3. The small porous body is rotatably attached to the porous body via a support shaft, and the small porous body is provided with a mountain-shaped projection.
The washing machine as described.