JPH04240482A - Drum type washing and drying machine - Google Patents

Abstract

PURPOSE:To provide a drum type washing and drying machine in which hot air blown off into a drum is applied directly to clothes. CONSTITUTION:A drum type washing and drying machine is provided with a body 21, a water tank 20 arranged in the body 21, a drum 26 revolving within the water tank 20 on its horizontal axis, a washing motor 37 driving the drum 26, a ring-shaped duct 32 arranged in a front part of the water tank 20 and communicating with the drum 26, an air fan 28 for feeding air, a heater 30 for drying, and an air circulating path formed by the drum 26 and the duct 32. The duct 32 is provided in a lower part with an air diffuser 33 which communicates with the drum 26.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention washes and rinses clothes by rolling them through the rotation of a drum, dehydrates them using the centrifugal force generated by the high speed rotation of the drum, and then dries the clothes using a drying heater. This relates to a drum-type washer/dryer.

0002

2. Description of the Related Art A conventional drum-type washer/dryer has a structure as shown in FIG. Reference numeral 1 denotes a main body, which includes a water tank 3 supported by a damper 2, a drum 6 with an open front, a rotating shaft 4 on the rear, and a water passage hole 5 on the side, and a washing motor 8. The rotating shaft 4 is supported by a bearing 7 provided on the rear surface of the water tank 3. Further, a pulley 10 interlocked with a washing motor 8 and a belt 9 is attached to an end of the rotating shaft 4. Further, 11 is a drying heater located above the water tank 3, and 12 is a blower fan communicating with this heater 11. 13 is a bellows that communicates with the inside of the water tank 3. 14 is a hot air outlet provided on the top surface of the water tank 3 and communicating with the inside of the water tank 3. Furthermore, 15 is a fluid balancer installed within the drum 6. A bellows 16 is provided on the front surface of the water tank 3 to maintain watertightness between the water tank 3 and the main body 1, and is fitted with a tapered lid 17.

[0003] With the above-mentioned configuration, everything from washing to spin-drying and drying is automatically carried out.

0004

The above-described conventional washer/dryer has a problem of poor drying efficiency. That is, when entering the drying process, the heater 11
The hot air outlet 14 is energized by the blower fan 12.
It acts to blow hot air into the water tank 3 to dry the clothes. However, the hot air first hits the drum 6 and then hits the clothes, resulting in poor drying efficiency for the clothes. Also hot air outlet 1
4 is located at the top, there is also the problem that the hot air does not directly hit the clothes accumulated at the bottom of the drum 6.

Furthermore, since the fluid balancer 15 is located within the drum 6, the volume of the drum 6 is reduced, reducing the amount of clothes that can be washed. Furthermore, during the drying process, the inside of the drum 6 becomes high temperature, so the fluid balancer 1
5 had to be made of a heat-resistant member that can handle fairly high temperatures.

[0006] The present invention is an attempt to solve such conventional problems, and its primary purpose is to provide a drum-type washer/dryer having an efficient configuration for blowing hot air into the water tank. It is something to do. A second object of the present invention is to provide a drum-type washer/dryer having a fluid balancer that does not reduce the volume of the drum due to the fluid balancer and can be constructed of a general heat-resistant resin.

[0007]

[Means for Solving the Problems] The first means of the present invention to achieve the first object includes a main body, a water tank provided in the main body, and a drum rotating around a horizontal axis within the water tank. , a washing motor that drives the drum, a donut-shaped duct provided at the front of the water tank and communicating with the drum, a blower fan for blowing air, a heater for drying, and an air circulation path configured by the drum and the duct. In addition, the drum type washer/dryer is provided with an air blowing hole communicating with the drum at the lower part of the duct.

A second means of the present invention for achieving the second object includes a main body, a water tank provided in the main body, a drum that rotates around a horizontal axis within the water tank, and a system that drives the drum. a donut-shaped duct provided at the front of the water tank and communicating with the drum, a blower fan for blowing air, a heater for drying, and a blower circulation path constituted by the drum and the duct, and the duct includes: The drum-type washer/dryer is provided with an air blowing hole communicating with the drum, and a fluid balancer is attached to the drum at the outer periphery of the duct.

[0009]

[Operation] The first means of the present invention operates as follows. That is, hot air heated by the heater during the drying process enters the donut-shaped duct and is blown out from the air blowing hole provided at the bottom of the duct. At this time, the diameter of the clothes input port of the drum is set to be large enough to cover the air blowing hole, so that the hot air hits the clothes directly. Further, according to the second means of the present invention, since the fluid balancer is attached to the drum at the outer periphery of the duct, the volume of the drum is not reduced. There is no direct exposure to.

0010

[Embodiment] An embodiment of the first means of the present invention will be described below with reference to FIG. 20 is a water tank semi-restrictedly suspended from a main body 21 by a plurality of suspensions 22;
It is provided with a drum 26 having appropriate water passage holes 24 and projections 25. A blower fan 28 is attached to the upper part of the main body 21 and communicates with the water tank 20 through an intake duct 27, and a heat exchanger 29 and a drying heater 30 are installed on the discharge side.
It communicates with Furthermore, this heater 30 has bellows 3.
1 and communicates with an opening 32a of a duct 32 provided on the front surface of the water tank 20. The duct 32 has a donut shape, and has an opening 32a at the top and an air blowing hole 33 at the bottom. The drum 26/intake duct 27
- A series of ventilation circulation paths is constituted by the ventilation fan 28, heat exchanger 29, heater 30, bellows 31, and duct 32. 34 is a fan for cooling the heat exchanger 29. Further, a drum pulley 36 is attached to one end of the rotating shaft 23 via a bearing 35 provided in the water tank 20. 37 is this drum pulley 36 and washing motor 38
This is a belt that interlocks the motor pulley 39 attached to the shaft of the motor. 40 is a drainage pump attached to the bottom of the main body 21. 43 is an inner lid provided on the drum 26, and 44 is a bellows fixed to the water tank 20 at one end and the main body 21 at the other end.

The operation of this embodiment will be explained below. The circulating air sent out from the blower fan 28 during the drying process is heated by the heater 30 to become hot air, which enters the duct 32 through the bellows 31 through the opening 32a. Furthermore, this hot air is blown out into the water tank 20 from an air blowing hole 33 provided at the lower part of the duct 32. At this time, since the diameter of the clothes input port 26a of the drum 26 is large enough to cover the outside of the air outlet 33, the hot air from the air outlet 33 is blown directly into the drum 26. Further, although the clothes in the drum 26 roll as the drum 26 rotates, they remain at the bottom of the drum 26 for a long time. In this embodiment, taking advantage of this phenomenon, the air outlet holes 33 are provided at the bottom of the drum 26 to supply hot air. Therefore, the hot air can also be directly applied to the clothes accumulated at the bottom of the drum 26.

As described above, according to this embodiment, hot air can be applied directly to clothes, thereby increasing drying efficiency.

Next, an embodiment of the second means of the present invention will be explained based on FIG. The same members as those in the previous embodiment are given the same numbers and their explanations will be omitted. In this embodiment, a ring-shaped fluid balancer 50 is attached to the drum 26 at the outer periphery of the duct 32.

With the configuration of this embodiment, the fluid balancer 50 does not reduce the volume of the drum 26, and furthermore, since it is located outside the drum 26, it is not directly exposed to high-temperature hot air. Note that the operation of this embodiment is similar to that of the embodiment of the first means, and a description thereof will be omitted.

As described above, according to this embodiment, the fluid balancer 50 can be constructed from a general heat-resistant material without reducing the washable capacity, which is advantageous in terms of safety and cost.

[0016]

As described above, according to the first means of the present invention, there is provided a main body, a water tank provided in the main body, a drum that rotates around a horizontal axis within the water tank, and a washing machine that drives the drum. It is equipped with a motor, a donut-shaped duct provided at the front of the aquarium and communicating with the drum, a blower fan for blowing air, a heater for drying, and a blower circulation path constituted by the drum and the duct. By providing air blowing holes that communicate with the drum, hot air can be blown directly into the drum, and at the same time, the hot air can be applied directly to the clothes inside the drum, increasing drying efficiency and reducing running costs. time can be shortened. .

A second means of the present invention for achieving the second object includes a main body, a water tank provided in the main body, a drum that rotates around a horizontal axis within the water tank, and a system that drives the drum. a donut-shaped duct provided at the front of the water tank and communicating with the drum, a blower fan for blowing air, a heater for drying, and a blower circulation path constituted by the drum and the duct, and the duct includes: In addition to providing air blowing holes that communicate with the drum, a fluid balancer is installed on the drum at the outer periphery of the duct, so that the volume of the drum is not reduced by the fluid balancer. Because it is located outside, it is not directly exposed to high-temperature hot air and can be constructed from materials with low heat resistance.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view of a drum-type washer/dryer in an embodiment of the first means of the present invention.

FIG. 2 is a vertical sectional view of a drum-type washer/dryer in an embodiment of the second means of the present invention.

[Figure 3] Longitudinal cross-sectional view of a conventional drum type washer/dryer

[Explanation of symbols]

20　Aquarium 21 Main body 26 Drum 28　Blower fan 29 Heat exchanger 30 Heater 32 Duct 32a Opening 33　Blow air outlet 38 Washing motor 50 Fluid balancer

Claims (2)

[Claims] Claim 1: A main body, a water tank provided in the main body, a drum rotating around a horizontal axis within the water tank, a washing motor for driving the drum, and a donut-shaped drum provided at the front of the water tank and communicating with the drum. A drum-type laundry dryer comprising a duct, a blower fan for blowing air, a heater for drying, and a blower circulation path constituted by the drum and the duct, and a blower hole communicating with the drum is provided at the bottom of the duct. Machine. 2. A main body, a water tank provided in the main body, a drum rotating around a horizontal axis within the water tank, a washing motor for driving the drum, and a donut-shaped drum provided at the front of the water tank and communicating with the drum. A duct, a blower fan for blowing air, a heater for drying, and a blower circulation path configured by the drum and the duct, the duct is provided with a blower hole that communicates with the drum, and the drum is provided with a blower hole that communicates with the drum. A drum-type washer/dryer equipped with a fluid balancer located in the section.