JPH03112593A - Washer drier - Google Patents

Abstract

PURPOSE:To prevent contamination of a substance to be dried and failure in operation of an electric part for drying due to bubbles by a method wherein an circulating port running from an outer drum to a drying air passage is positioned in a level higher than an overflow level in an overflow chamber. CONSTITUTION:An overflow chamber 22, a circulating air passage 27, and an air trap 24 are arranged in an intensive manner on the rear surface side of an outer drum 2. A circulating air passage 27 is communicated with the interior of the outer drum 2 through a circulating port 20 integrally formed in an expansion state in a level higher than the overflow level on a rear wall 2a of the outer drum 2. A blast fan device 29 disposed in the circulating air passage 27 has an intake air port, and a connection pipe 30 interconnects the circulating air passage 27 and a duct A16. Since the circulating port 20 running to the drying air passage is positioned in a level higher than that of an overflow port 21 of the overflow chamber 22. Bubbles generated during washing are discharged through the overflow port 21 before it flows to the circulating port 28.

Description

[Detailed description of the invention] (b) Industrial application field The present invention relates to a drum-type washer/dryer.

(B) Conventional technology As a conventional example, an outer tub is supported within a frame, a horizontal axis type washing/drying drum is rotatably supported within the outer tub, and by rotating the washing drum, the inside of the drum is At the same time, drying air is introduced from the center of one end of the drum to exchange heat with the items to be dried, and then exhausted through holes provided on the drum circumference. The drying method is published in Utility Model Publication No. 61-385, t No. 8 (D0
6F25104').

(c) Problems to be Solved by the Invention In the conventional example, bubbles generated during washing enter the drying air passage from the center of one end of the drum and remain there, and are released into the drum again during the drying process. However, there is a problem that it adheres to the material to be dried.

There is also the problem that bubbles that have entered the drying air path reach the drying heater and blower fan, causing these electrical components to malfunction.

The present invention relates to improvements in washing and drying machines and is intended to solve these problems.

(D) Means for Solving the Problems The present invention supports an outer tub within a frame, rotatably supports a horizontal axis type washing drum within the outer tub, and rotates the washing drum. The drum is used to wash and dry laundry placed in the drum, and the outer tub is provided with a drying air passage for circulating drying air into the outer tub and an overflow chamber for overflowing washing water. In addition, a circulation port leading from the outer tank to the inside of the drying air passage is located above the overflow level of the overflow chamber.

Further, in the present invention, the drying air passage and the overflow chamber are provided on one side of the outer tank, and the circulation opening of the drying air passage and the overflow opening of the overflow chamber are aligned with the vertical central axis of the outer tank. They are arranged so that they are located in opposite areas with the two sides in between.

(e) Effect: Since the circulation port leading to the drying air path is located above the overflow port of the overflow chamber, the foam generated during washing is discharged from the overflow port before reaching the circulation port.

Furthermore, since the drying air passage and the overflow chamber are concentrated on one side of the outer tank, the size of the outer tank is reduced.

Further, the circulation port of the drying air passage and the water overflow port of the water overflow chamber are located in opposite areas with respect to the vertical center axis of the outer tank, thereby separating the circulation port and the water overflow port.

(f) Example Embodiments of the present invention will be described based on the drawings.

In Figures 1 to 4, 1 is a sheet metal frame;
3 is a horizontal support surface formed on the lower surface of the outer tank 2, and 4 is an iron mounting plate fixed to the support surface 3. be.

5... are upper supports for elastically suspending and supporting the outer tank 2 from the upper four corners of the frame 1; 6...
The outer FfI 2 is attached to a lower support provided between the plate 4 and the four corners of the bottom 18 of the frame 1, and 7 is integrated by making the upper part of the outer tank 2 protrude upward into a square tube shape The outer tub 2 has a cylindrical body that forms a clothes input port B8 in the upper part of the outer tub 2. Reference numeral 9 denotes a top plate made of synthetic resin fixed to the upper end of the frame 1, and the front edge has an operating section 9a for accommodating electronic components, etc., and the rear edge has an accommodating section 9b for accommodating a water supply device, etc. Each has a bulging shape, and a rectangular clothing input port AIO is provided in the center. 11・
. . . are various operating keys arranged on the upper surface of the operating section 9a. A bellows-shaped rubber gasket 12 connects the clothes input port AIO and the clothes input port B8. 13 is a safety cover that opens and closes the clothes input port AIO; 14 is an upper lid that opens and closes the top surface of this safety cover 13;

Now, as shown in FIGS. 5 and 6, the outer tank 2 is formed with only a rear wall 2a as a separate body, and this rear wall 2a is fixed after storing a washing drum, which will be described later, from the rear opening of the outer tank 2. be done. Reference numeral 15 designates a cylindrical portion integrally formed in the center of the rear wall 2a to protrude inward, and 1G represents a ventilation duct (A) integrally formed on the outer surface of the rear wall 2a. A wall surface 16a that is formed over the cylindrical portion 15 and covers the cylindrical portion 15 is close to the cylindrical portion 15, and a drum rear bearing 17 is fixed thereto. Further, a heater casing 18 is formed in the upper part of the air duct A16, and a sheathed heater A19 is installed therein. Reference numeral 20 denotes an iron plate surrounding the heater A19, and is used to prevent the resin material from catching fire even if a lump or the like ignites.

21 is an overflow port opened at a height of 1/2 of the rear wall 2a; 22 is integrally formed in a bulge on the rear wall 2a;
an overflow chamber for directing overflow from the overflow port 21; 2;
3.23 is a pair of electrodes arranged in the clear water chamber 22,
This is for detecting excessive foaming occurring within the outer tank 2. Reference numeral 24 designates an air trap integrally formed in a bulging manner at the lower part of the rear wall 2a, and is connected via a pressure hose 26 to a water level sensor 25 disposed within the housing portion 9b. Reference numeral 27 denotes a circulation air passage formed integrally in a bulge above the overflow level of the rear wall 2a, and communicates with the inside of the outside twz via a circulation opening 28. 29
is a blower fan device disposed in the circulation air passage 27 and has an intake port (not shown). 30 is the circulation air passage 27
This is a connecting pipe that connects the (air blowing fan device 29) and the air blowing duct 1-Al6.

In this way, by consolidating the overflow chamber 22, the circulation air passage 27, and the air trap 24 on the rear side of the outer tank 2, the axial dimension of the outer tank 2 is reduced, and the main body of the device can be downsized.

Furthermore, by arranging the sludge port 21 and the circulation port 28 as far apart as possible, bubbles remaining in the diving port 22 can be absorbed into the outer tank 2 by the suction force of the blower fan device 29. This prevents situations that could lead to a relapse.

31 is a drain port provided at the bottom of the outside $912;
Reference numeral 2 denotes a drain hose for discharging waste water from the drain port 31, and the bottom of the overflow chamber 22 is connected to this drain hose 32 via an overflow hose 33. Reference numeral 34 denotes a drain electric valve that opens and closes the drain port portion 31. As is well known, the valve is opened by winding a wire with the rotational force of the drain motor 35, and the valve is opened by cutting off the rotational force of the motor. It returns to the closed state due to the bias of the spring.

36 is a dual water supply solenoid valve device installed inside the housing portion 9b, one water supply valve A36a is connected to a water supply hose A37.
The other water supply valve B56b is connected to a part of the upper front corner of the outer FvI2 via a water supply hose B39. That is, the water discharged from the water supply hose B39 falls along the inner surface of the front wall 2b of the outer tank 2, and reaches the drain port 31.

40 is a sheathed heater B disposed at the inner bottom of the outer tank 2.
, 41 is a drum rear bearing fixed to the center of the front wall 2b of the outer tank 2.

Now, 42 is a synthetic resin horizontal shaft type washing/dehydration/drying drum rotatably supported in the outer tank z, and as shown in FIG. an annular fluid balancer 44 mounted on the rear side;
4 and a rear plate 45 fixed to the rear side of the main body.

46... are baffles formed in bulges every 120 degrees along the inner circumferential surface of the body 43; 47... are baffles formed in the body 43;
A large number of holes A and 48 are holes B that are formed in a large number on the front surface 43a of the body 43, and those near the center are coarse and those near the periphery are dense. They are arranged as follows. 49 are horizontal ribs A that are integrally provided along the inner peripheral surface of the body portion 43. Said horizontal rib A49
is also formed on the upper surface of the baffle 46.

A suction port 50 that is inserted into the cylindrical portion 15 is formed protrudingly from the center of the rear plate 45.
A support shaft 51 is fixed to the center of the. The suction port 5
0 is integrally formed with an axial fan 52 that also serves as a filter. 53 is a support shaft fixed to the center of the front surface 43a of the body 43.

Further, the inner circumferential surface 44a of the balancer 44 has an outer diameter approximately equal to the diameter of the suction port 50, and is inclined so as to gradually expand inward.

After fitting the balancer 44 to the body part 43 facing the same direction and screwing it to the rear end of the body part 43 when it abuts the end faces of the baffles 46, the rear plate 45 is fitted to the body part 43. The drum 42 is completed by applying screws to the rear side of the drum 44.

Reference numeral 54 denotes a long rectangular clothing slot C extending along the circumferential surface of the torso 43, and its size is set to be approximately the same as the clothing slot B8. 55 and 56 are slide grooves formed on the front and rear edges of the input port C54, while 56 is constructed by attaching a separate slide cover 57. Reference numeral 58 denotes a locking pawl formed to protrude upward from one side edge of the input port C54, and 59 is an abutment rib formed to protrude upward from the other side edge of the input port C.

60 is a synthetic resin lid for opening and closing the input port C54, and is slidably supported within the slide yt55.56. Reference numeral 61 designates a recess integrally formed along one side edge of the lid body 60, and reference numeral 62 designates a handle pivotally supported within the recess 61, which is attached to the locked claw 58 on the end side. A recess 64 is formed at the other end of the locking pawl 63 and the handle is normally biased by a spring 65 in the direction in which the locking pawl 63 engages. Reference numeral 66 denotes a regulating lip formed to protrude downward from the other side edge of the lid 60, and 67 denotes a storage portion integrally recessed in the center of the upper surface of the lid 60, in which detergent, bleach, etc. are stored in advance. This is where laundry treatment agents such as fabric softeners are stored.

The drum 42 is connected to the drum rear bearing 17 and the drum front bearing 4 with its support shaft 51.53.
1 is rotatably supported. At this time, the support shaft 5
3 protrudes from the front wall 2b of the outer tank 2, and a drive pulley 68 is fixed thereto.

Now, 69 is the washing motor which is fixed to the plate 4 through the metal fitting A70, and 71 is the washing motor which is attached to the plate 4.
The washing motor 69 and the dewatering motor 71 are connected to each other via a pulley and a belt, respectively.

In such a configuration, during the washing process, the drum 42 is repeatedly reversed at low speed by the washing motor 69, so that the laundry in the drum 42 falls from the top to the bottom, which is the so-called flop washing, and at the same time, the laundry is Rib A49・
It is scrubbed and washed by... Foam generated during this washing process is discharged from the overflow port 21 to the overflow chamber 22, and when the foaming becomes excessive, it is detected by the electrodes 23, 23 in the overflow chamber 22, and a predetermined defoaming operation is performed. .

Further, during the dehydration process, the dehydration motor 71 rotates the drum 42 in one direction at high speed, and the laundry in the drum 42 is dehydrated by centrifugal force.

Further, during the drying process, the drum 42 is repeatedly reversed at low speed by the washing motor 69, and the heater A19 is moved from the air duct A16 and suction port 50 into the drum 42 by the force of the air blower fan device 29. The heated drying air is introduced and exchanges heat with the laundry in the drum 42. At this time, the drying air introduced from the first suction port 50 is directed not only to the center of the drum 42 but also to the drum 420 along the slope of the inner circumferential surface 44a of the balancer 44.
It spreads to the surrounding area. After the heat exchange, the air flows from the through holes A47 and B48 to the drum 42.
However, at this time, since the air holes #LB48 were arranged so that the center part was rough, the air easily exited from the through hole B at the peripheral edge, and the air flowed through the drum 42. Most of the wind introduced towards the center of drum 42
It passes through the material to be dried on the inner circumferential surface of the container and is discharged.

In addition, during the drying process, the water supply hose B39 is connected to the outside t.
Water is supplied so as to run down the front wall 2b of the drum 42, and the air discharged outside the drum 42 is dehumidified here and sucked into the circulation duct 27 from the circulation port 28 again.

Moreover, in any process, the fluid balancer 44
The drum 42 is balanced with the laundry so that the drum 42 rotates smoothly.

(G) Effects of the Invention The washer/dryer of the present invention has a structure that prevents bubbles from entering the drying air path, so it is possible to prevent contamination of objects to be dried by bubbles and failure of drying electrical components.

Furthermore, in the washer/dryer according to claim 2 of the present invention, the drying air passage and the overflow chamber are integrated on one side of the outer tank, so the size of the outer tank is reduced. , it is possible to downsize the device itself.

Furthermore, since the circulation port of the drying air path and the overflow port of the overflow chamber are separated from each other, bubbles remaining in the overflow port are prevented from flowing back due to the suction force to the circulation port during drying. It is possible to prevent contamination of the dried material due to the bubbles and the like.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the washer/dryer of the present invention, Fig. 2 is a side sectional view, Fig. 3 is a vertical sectional view, Fig. 4 is a rear view with main parts cut away, and Fig. 5 is an external view. FIG. 6 is a perspective view of the tank, FIG. 6 is a perspective view of the rear wall, and FIG. 7 is an exploded perspective view of the drum. 1. Frame, 2. Outer tank, 21. Overflow port, 22.
・Clear water chamber, 27..Circulation air path (drying air path), 28..Circulation opening, 42..Drum.

Claims (2)

[Claims] (1) An outer tub is supported within the frame, a horizontal axis type washing drum is rotatably supported within the outer tub, and by rotating the washing drum, the laundry loaded into the drum is washed and washed.
The outer tank is provided with a drying air passage for circulating drying air into the outer tank and a water overflow chamber for overflowing washing water, and a drying air passage is provided from the outer tank into the drying air passage. A washing/drying machine characterized in that a circulation port leading to the water is located above the overflow level of the overflow chamber. (2) The drying air passage and the overflow chamber are provided on one side of the outer tank, and the circulation opening of the drying air passage and the overflow opening of the overflow chamber are arranged on both sides of the vertical central axis of the outer tank. The washer/dryer according to claim 1, wherein the washing/drying machine is configured to be located in opposite areas.