JPH01249098A - Washing machine - Google Patents

Abstract

PURPOSE:To enable laundry to be high-efficiently washed in a washing drum, by a method wherein hot air from a hot air feed device is fed in the washing drum, and an agitation vane situated to the inner bottom part of the washing drum and formed in a containerform shape having its upper surface being opened is rotated. CONSTITUTION:When during washing of laundry, an openable cover 9 of a cover body 7 is opened, a suspension part 25c of a hanger 25 can be visibly watched through a tanking-in-and-out port 8. Laundry W is hung thereto and the taking-in-and-out port 8 is closed. With a timer for dry set, a fan 18b is run, air sucked in a casing 18d is heated by a heater 19, and is discharged through a hot air discharge port 21 to the interior of the washing drum 4. A motor for washing intermittently rotates an agitating vane 13 with the aid of a timer for dry. The agitating vane 13 is formed in a circular containerform shape having an opened upper surface and provided at its interior with a line of protrusion. The agitating vane agitates hot air, discharged in the washing drum 4 and drying the laundry W and containing humidity, and discharges it through a hot air discharge port 24 to the outside.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a washing machine that also has the function of drying laundry.

(Prior Art) Laundry washed by a washing machine is generally dried in the sun. However, there are circumstances in which you cannot hang your laundry to dry in rainy weather, and some of your laundry, such as underwear, you do not want others to see. Therefore, conventionally, dryers have been provided to dry laundry indoors.

(Problem to be solved by the invention) However, the dryer is a separate product from the washing machine, and the user who wants it not only has to prepare a place for installation, but also has to incur a financial burden. The problem is that it is also very large.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a washing machine which has a function of drying laundry, which does not take up much space, and which reduces the economic burden.

[Structure of the Invention] (Means for Solving the Problems) A washing machine of the present invention is provided with a washing tub in which stirring blades are arranged at the inner bottom, and hot air is supplied into the washing tub. The present invention is characterized by a configuration in which a hot air supply device for drying the suspended laundry is provided, and the stirring blades are rotated while the laundry is being dried.

Further, it is preferable that the stirring blade is formed in the shape of a circular container with an open upper surface.

Furthermore, the hot air outlet of the hot air supply device should be connected to the knob behind the washing tub.
It is preferable that the hot air outlet is disposed at the 11th section and a hot air outlet is formed between the front end of the washing tub and a lid covering the upper part of the washing tub.

(Function) According to the washing machine of the present invention, the laundry suspended in the washing tub can be dried by supplying hot air from the hot air supply device into the washing tub. Since the stirring blades at the bottom of the tank are rotated, the hot air is stirred and evenly contacts the laundry, resulting in a good drying rate.

Further, since the stirring blade is shaped like a container that is open to 1N bacteria, the hot air in the washing tub is well stirred.

In history, the hot air from the hot air supply device is blown out from the two hot air outlets at the rear of the washing tub, and the 711 degree high air that dries the laundry is discharged from the hot air outlet between the front end of the lid. Therefore, the drying efficiency becomes even better.

(Example) Hereinafter, an example in which the present invention is applied to a two-tub washing machine will be described with reference to the drawings.

1 is the main body of the washing machine, which has a base plate 3 attached to the lower surface of the outer box 2, a washing tub 4 and a dewatering tank (not shown) inside, and a panel section on the rear side of the outer box 2. 5. Reference numeral 6 denotes a dehydration tank lid provided to cover the upper surface of the dehydration tank, and this is opened and closed using the rear part as a fulcrum.

Reference numeral 7 denotes a washing tub lid placed on the opening 4a of the washing tub 41-j so as to cover it, and an opening 8 is formed in the center thereof. Reference numeral 9 denotes a see-through opening/closing lid made of transparent plastic or the like, and its rear end 9a is rotatably pivoted to the lid body 7 so that the access opening 8 can be opened and closed. Reference numeral 10 denotes a washing motor attached to the washing machine 3, and a motor pulley 11 is attached to this motor shaft 10a.

Reference numeral 12 denotes a transmission section attached to the outer bottom of the washing tub 4, and a part of the shaft section 12a of this transmission section projects into the washing tub 4.

Reference numeral 13 denotes a stirring blade disposed at the bottom of the washing tub 4, and the center portion of the bottom is attached to the shaft portion 12a of the transmission portion 12 with a screw 14. This stirring blade 13 has a shallow circular container shape with an open top surface, and has protrusions 1 on the inner bottom wall and inner peripheral wall.
3a is formed. Reference numeral 15 denotes a pulley attached to the lower shaft portion 12b of the transmission section 12, and a belt 16 is passed between the pulley 15 and the motor pulley 11.

17 is a hot air supply device, which is a hot air supply unit 18
, a PTC heater 19, and a blow pipe 20 serving as a blow passage. Among these, the hot air supply unit 18 is
A motor 18a attached to the base plate 3, and this motor 18
The fan 18b is driven by a fan 18b, and a casing 18d surrounds the fan 18b and defines a discharge port 18c. The air pipe 20 is connected to the discharge port 18c of the casing 18d.
A horizontal pipe section 20a connected to the PTC heater 19 inside, a vertical pipe section 20b extending from the end of the horizontal pipe section 20a to the upper no.J, and two ends of the vertical pipe section 20b. A delivery pipe section 20c is provided downward from the top. This delivery pipe portion 20C is located within the panel portion 5, and its tip is formed into a hot air outlet 21 having a net 21a facing the opening 4a of the washing tub 4 from the upper rear side.

The height of the two ends of the vertical pipe portion 20b of the air pipe 20 is set to be higher than the full water level of the washing tub 4. 22 is a reservoir part, which is the air pipe 20
It is formed at the end of the horizontal pipe part 20a so as to be located below the vertical pipe part 20b, and a drain port 23 is formed in the lower surface part. This drain port 23 is located at the lowest position of the blast pipe 20 and is set lower than the hot air supply unit 18. 24 is a hot air outlet formed between the front part of the washing tub 4 and the front end of the lid body 9. 25 is a hanger corresponding to the insertion/extraction opening 8;
The upper end of 5a is in front of the back surface of lid 7.

A connecting portion 25b is rotatably attached to the rear, left, and right four locations, and is connected between the lower ends of the front and rear hanging portions 25a, 25a.
are rotatably connected, and four hanging portions 25C are rotatably connected between the left and right connecting portions 25b, 25b. Although not shown,
A drying timer for controlling power on/off of the motor Lea, the PTC heater 19, and the washing motor 10 is incorporated in the panel section 5.

Next, the operation of the above configuration will be explained.

When drying the laundry that has been washed and dehydrated, first, the opening/closing lid 9 of the lid body 7 is rotated as shown by the two-dot chain line in FIG. 1 to open the loading/unloading port 8.

Then, the four hanging parts 25c of the hanger 25 can be visually seen from the entrance/exit opening 8. Therefore, these four hanging parts 2
5c through the entrance/exit opening 8, and the opening/closing M9 is rotated in the opposite direction to close the opening/exit opening 8. Next, when a drying timer (not shown) is set to a desired time, first, the motor 18a and the PTC heater 19 of the hot air supply unit 18 are energized. As a result, the fan 18b is rotated by the motor 18a, and the casing 18
The air sucked into d is sent out from the discharge port 18c into the horizontal pipe portion 20a of the air pipe 20, and is heated and turned into hot air while passing through the PTC heater 19.

This hot air passes through the vertical pipe portion 20b, passes through the delivery pipe portion 20C, and is blown into the washing tub 4 from the hot air outlet 21. On the other hand, the washing motor 10 is energized once every 1 to 2 minutes for about 10 seconds by a drying timer, and as a result, the motor pulley 11, belt 16. The stirring blade 13 is intermittently rotated via the pulley 15 and the transmission part 12.

In this case, since the agitation lA13 has the shape of a circular container with an open top and has a protrusion 13a inside, the washing tub 4
The hot air containing moisture, which is blown inside to dry the laundry W hung on the hanging part 25c, is agitated by the stirring m13 and discharged to the outside from the hot air outlet 24.

When washing laundry, remove the lid 7 from the opening 4a of the washing tub 4, and then remove the lid 7 from the opening 4a of the washing tub 4,
When a is rotated in the direction shown by arrow A in FIG. Therefore, the handle of the lid body 7 is attached to the opening 4 (not shown).
If it is hung on the edge of the washing machine a, the lid body 7 can be stored along the side surface of the washing machine main body 1 like a conventional washing machine, so that the hanger 25 does not become a hindrance during washing.

By the way, during washing, the inside of the washing tub 4 may become full of water due to poor drainage, etc., but in the above embodiment, the air pipe 2
Since the height of the upper end of the vertical pipe part 20b is set higher than the full water level of the washing tub 4, water in the washing tub 4 does not spill into the air pipe 20.

In addition, if water splashes during washing or cleaning the washing tub 4, the water will become loose and flow from the hot air outlet 21 to the air pipe 2.
0, but this water may enter the vertical pipe section 20.
b flows down, collects in the reservoir 22, and is discharged outside the machine through the drain port 23 located at the lowest height position, so this water that has entered will not flow into the hot air supply unit 18 side.

[Effects of the Invention] As is clear from the above description, the present invention has the following effects.

According to the washing machine according to claim 1, the stirring blade disposed at the inner bottom of the washing tub is rotated while the laundry is being dried by supplying hot air from the hot air supply device into the washing tub. The laundry can be efficiently dried in the washing tub, there is no need to purchase a separate dryer, it does not take up space, the economic burden can be reduced, and the laundry can be dried even in rainy weather. This effect is achieved.

Further, according to the washing machine according to claim 2, since the stirring blade has a container shape with an open top surface, the hot air in the washing tub is well stirred, and the drying efficiency is improved. play.

Furthermore, according to the washing machine according to claim 3, the hot air from the hot air supply device is blown out from the hot air outlet at the rear upper part of the washing tub, and the highly humid air that has dried the laundry is blown out from the front end section of the lid. Since the hot air is discharged from the hot air outlet, the drying efficiency is further improved.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a longitudinal side view of the hot air supply device, FIG. 2 is a longitudinal side view of the stirring blade, and FIG. 3 is an external perspective view of the L half. show. In the figure, ] is the main body of the washing machine, 4 is the washing tub, 4a is the opening, and 7
13 is a lid, 13 is a stirring blade, 17 is a hot air supply device, 21 is a hot air outlet, and 24 is a hot air outlet.

Claims (1)

[Claims] 1. A washing tub, a stirring blade disposed at the inner bottom thereof, and a hot air supply device for supplying hot air into the washing tub to dry the laundry suspended in the washing tub. A washing machine, characterized in that the stirring blade is rotated during drying of laundry. 2. The washing machine according to claim 1, wherein the stirring blade has a container shape with an open top. 3. A claim characterized in that the hot air outlet of the hot air supply device is disposed at the rear upper part of the washing tub, and the hot air outlet is formed between the front end of the washing tub and the lid covering the upper part of the washing tub. The washing machine according to item 1 or 2.