JP2023013161A - Drum type washing and drying machine - Google Patents

Abstract

To prevent an extension/contraction portion of a door bellows from rubbing with other portions during an operation, and to prevent a hole from forming in the door bellows.SOLUTION: A drum type washing and drying machine includes: a housing 1; an outer tub 10 provided in the housing 1; a drum 11 interpolated in the outer tub 10 and including an input port where laundry is inputted; a driving device (motor 13) for rotationally driving the drum 11; a door 2 provided openably/closably at the input port where the laundry is inputted; and a door bellows 15 coming into contact with the door when the door 2 is closed, and for sealing the door 2 and the outer tub 10 in a water-tight manner. The door bellows 15 has an extension/contraction part 15a which extends/contracts according to the movement of the outer tub 10. The extension/contraction part 15a of the door bellows 15 is constituted by a plurality of bent parts (first bent part 15a1 and second bent part 15a2).SELECTED DRAWING: Figure 5

Description

The present invention relates to a drum-type washer/dryer, and more particularly to a drum-type washer/dryer suitable for those equipped with a door bellows for water-sealing a door and a drum.

Patent Documents 1 and 2, for example, can be cited as prior art documents relating to drum-type washer-dryers equipped with door bellows for water-sealing a door and a drum.

In the above-mentioned Patent Document 1, in order to reduce the adhesion of lint to the door bellows having one bent portion, an outer tank supported in a housing and storing washing water inside, and a rotating an inner tub that is freely supported to accommodate the laundry, a driving device that rotates the inner tub, a laundry inlet provided in the housing, a door that can be opened and closed at the laundry inlet, In a drum-type washing machine provided with a door bellows that contacts the door and seals the door and the outer tub watertightly when the door is closed, the surface average roughness of the contact portion with the door in the door bellows and the contact portion Also, a drum-type washing machine is described in which the surface average roughness of the door bellows portion located on the watertightly sealed space side surrounded by the door and the outer tub is different.

On the other hand, in Patent Document 2 mentioned above, the door bellows having one bending portion has a cylindrical portion and a telescopic portion in order to improve the quietness of the door bellows having one bending portion with a simple shape. In addition, a cushion is interposed between the tubular portion and the expansion/contraction portion to prevent the expansion/contraction portion from coming into contact with the tubular portion or excessive deformation of the tubular portion due to vibration during operation of the motor. , a drum-type washing machine capable of preventing the occurrence of abnormal noise caused by the contact of the expandable part with the cylindrical part.

JP 2015-19840 A JP 2006-218195 A

Normally, the entire circumference of the laundry inlet on the front of the washing machine is covered with a rubber door bellows that connects the housing and the outer tub. ), which expands and contracts according to the movement of the outer tub, thereby absorbing and reducing vibration during operation.

However, if an attempt is made to increase the size of the outer tub while keeping the size of the housing substantially unchanged, the space that can be allocated to the door bellows in the longitudinal direction of the washing machine will decrease.

At this time, if the front-rear dimension of the door bellows is reduced while maintaining the telescopic shape having one bent portion as in Patent Documents 1 and 2, the telescopic portion of the door bellows repeatedly rubs against other portions during operation, causing the door bellows to rub against each other. There was a problem that there was a risk that a hole would open in the

The present invention has been made in view of the above points, and its object is to prevent the door bellows from rubbing against other parts during operation and to prevent the door bellows from being punctured. To provide a type washing and drying machine.

In order to achieve the above object, the drum-type washing and drying machine of the present invention comprises a housing, an outer tub provided in the housing, and an inlet inserted into the outer tub for loading laundry. a drum, a driving device for rotationally driving the drum, a door openable and closable at the loading port into which the laundry is loaded, and the door and the outer tub coming into contact with the door when the door is closed. and a door bellows for water-tightly sealing the door bellows, wherein the door bellows has an expandable part that expands and contracts according to the movement of the outer tub, wherein the door bellows expands and contracts. The portion is characterized by comprising a plurality of bent portions.

Specifically, the expansion and contraction portion of the door bellows is composed of at least two first and second bending portions arranged in the vertical direction, and the second bending portion is below the first and second bending portions. The position of the apex of the second bent portion is the same in the vertical direction as the position of the apex of the first bent portion, or the vertex of the first bent portion is arranged so that the bent portion is positioned. is positioned closer to the outer tank than the position of .

ADVANTAGE OF THE INVENTION According to this invention, the expansion-contraction part of door bellows does not rub against other parts at the time of driving|running|working, and it can prevent that a door bellows is perforated.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an external perspective view showing a drum-type washing and drying machine according to Embodiment 1 of the present invention with a door opened; BRIEF DESCRIPTION OF THE DRAWINGS It is a front view which shows the drum-type washing-drying machine which concerns on Example 1 of this invention in the state which opened the door. BRIEF DESCRIPTION OF THE DRAWINGS It is sectional drawing which looked at the internal structure of the drum-type washing-drying machine which concerns on Example 1 of this invention from the side in the state which opened the door. 4 is an enlarged view of part A in FIG. 3; FIG. FIG. 5 is a diagram showing a state in which a lighting unit (LED light) is removed from FIG. 4;

Hereinafter, the drum-type washer/dryer of the present invention will be described based on the illustrated embodiments. In addition, in each figure, the same code|symbol is used for the same component.

In addition, the various constituent elements of the present invention do not necessarily have to be independent entities, and one constituent element may consist of a plurality of members, a plurality of constituent elements may consist of one member, a certain constituent element is part of another component, part of one component overlaps part of another component, and so on.

1, 2, 3 and 4 show Embodiment 1 of a drum-type washing and drying machine 100 of the present invention.

FIG. 1 is an external perspective view showing a drum type washing/drying machine 100 according to the first embodiment of the present invention with the door 2 opened, and FIG. 2 is a drum type washing/drying machine 100 according to the first embodiment of the present invention. , with the door 2 opened, and FIG. 3 is a cross-sectional view of the internal structure of the drum-type washing and drying machine 100 according to the first embodiment of the present invention, viewed from the side with the door 2 opened. , and FIG. 4 is an enlarged view of part A in FIG.

The configuration of the drum-type washing/drying machine 100 of this embodiment will be described below with reference to FIGS. 1, 2, 3, and 4. FIG.

In FIG. 1, the housing 1 constituting the outside of the drum-type washer/dryer 100 of this embodiment includes a housing body 1b in which both side surfaces and a back surface are integrally formed of a steel plate, and a housing body 1b below the housing body 1b. It is composed of an underplate (not shown) arranged at the bottom, a front cover 1a covering the front surface of the housing body 1b, and a top cover 1c arranged at the top. A door 2 that can be opened and closed is arranged on the front surface of the housing 1 .

A water supply hose connection port for supplying water from a water faucet to the drum-type washing/drying machine 100 is provided on the upper back surface of the housing 1 . Further, the door 2 is supported by a hinge provided on the front cover 1a so that it can be opened and closed. By pulling the door opening handle 2a, the locking mechanism is disengaged and opened forward, and the door 2 is pressed against the front cover 1a. It is locked by closing.

The front cover 1a also has a circular opening concentrically with the opening of the outer tub 10 for taking in and out clothes.

In addition, the door 2 is provided with an operation unit in which operation switches and the like are arranged. connected to. A drain hose for draining water is attached to the rear surface of the housing 1 .

Further, inside the housing 1 of the drum-type washing/drying machine 100 of this embodiment, an outer tub 10 for storing water is provided. is inserted. The outer tank 10 is suspended from the housing 1 via a spring, and the center of gravity of the outer tank 10 is suspended from the left and right. Supported.

A rotating shaft 4 connected to a drum 11 is provided behind the outer tub 10, a pulley 5 is connected to the rotating shaft 4, and a motor 13 is connected to the pulley 5 via a belt 6. there is The motor 13 rotates the drum 11 via the belt 6 , the pulley 5 and the rotating shaft 4 .

Also, the control unit controls the number of rotations of the motor 13 , and this control unit acquires the sensor value of the vibration sensor provided in the drum-type washing/drying machine 100 .

During the dehydration process in the drum-type washer/dryer 100 of the present embodiment, if the vibration amplitude of the outer tub 10 detected by the vibration sensor exceeds a preset threshold value due to unbalance of the clothes put into the drum 11, the dehydration process is terminated. After temporarily stopping the drum 11, the drum 11 is rotated forward and backward to correct the imbalance of the clothes, and then the dewatering process is redone. When the motor 13 is driven, the drum 11 is rotated in both forward and reverse directions.

Further, on the inner peripheral surface of the drum 11, a plurality of dewatering holes 11a for draining the washing water in the drum 11 to the outer tub 10 are arranged at intervals in the circumferential direction of the drum 11. A plurality of lifters 14 are provided for lifting the clothes thrown into. The lifter 14 is installed so as to extend in the longitudinal direction of the drum 11 .

The opening of the outer tub 10 and the inlet of the housing 1 are connected by a door bellows 15 having an extendable portion 15a that expands and contracts according to the movement of the outer tub 10. The door bellows 15 is an annular elastic member. and the drum 11 is water-sealed by closing the door 2. That is, when the door 2 is closed, the door bellows 15 comes into contact with the door 2 to seal the door 2 and the outer tub 10 in a water-tight manner. have.

The inlet of the housing 1, the opening of the outer tub 10, and the opening of the drum 11 communicate with each other.

A water supply unit having a water supply valve is provided in the upper part of the housing 1 and in front of the water supply hose connection port.

This water supply unit has a detergent storage section for storing detergent and a finishing agent storage section for storing finishing agent. It is connected. The water supply unit can be pulled out to the front side, and the user puts detergent and finishing agent into the detergent storage section and the finishing agent storage section while the water supply unit is pulled out.

When the water supply valve is opened during washing in the drum-type washer/dryer 100 of the present embodiment, water flows in from the water supply hose connection port and is supplied to the outer tub 10 through the detergent storage section. Detergent is stored in the detergent container in advance, and the detergent is put into the outer tub 10 together with the supplied water. The finishing agent is put into the outer tank 10 from the container.

In addition, a drainage pump is provided in the drainage path of the drainage hose provided at the bottom of the outer tub 10, and when the drainage pump is not operated, the water supplied to the outer tub 10 accumulates in the outer tub 10, When the drain pump is operated, the washing water in the outer tub 10 is drained out of the drum-type washing/drying machine 100 through the drain hose.

A drying unit for drying clothes is provided in the upper part of the housing 1 (outer tub 10). and a blower fan for blowing the air.

Also, the drying unit dries the laundry by generating circulating air during the drying process. That is, the air blown out from the blower fan of the drying unit is supplied to the drum 11 after being warmed by the downstream heating section. The air supplied to the drum 11 heats the wet laundry accommodated in the drum 11 to dehydrate it, and then passes through the outer peripheral holes of the drum 11 and flows out into the space between the drum 11 and the outer tub 10. , to a duct portion connecting the drying unit and the outer tub 10 .

The air that has flowed into this duct part absorbs moisture from the laundry, increasing the humidity. The air is dehumidified and the dried air after dehumidification is returned to the blower fan of the drying unit.

Thus, the drying unit supplies hot dry air to the wet laundry in the drum 11 to accelerate the drying of the laundry.

Next, the door bellows 15 employed in the drum type washing/drying machine 100 of this embodiment will be described with reference to FIGS. 4 and 5. FIG. 5 is a diagram showing a state in which an illumination unit (LED light) 17, which will be described later, is removed from FIG.

As described above, when the door 2 is closed, the door bellows 15 comes into contact with the door 2 to seal the door 2 and the outer tub 10 in a water-tight manner. In this embodiment, the expansion/contraction part 15a of the door bellows 15 extends from a plurality of bends (in this embodiment, the first bend 15a1 and the second bend 15a2). It is configured.

Specifically, the expandable portion 15a of the door bellows 15 of this embodiment is composed of at least two vertically arranged first bent portions 15a1 and second bent portions 15a2. The second bent portion 15a2 is positioned below the first bent portion 15a1, and the position 15a2' of the vertex of the second bent portion 15a2 is positioned horizontally from the position of the vertex 15a1' of the first bent portion 15a1. shifted to the right. In other words, the position 15a2' of the vertex of the second bent portion 15a2 is located on the far side (back side) of the position of the vertex 15a1' of the first bent portion 15a1.

The position 15a2' of the vertex of the second bent portion 15a2 may be the same position in the vertical direction as the position of the vertex 15a1' of the first bent portion 15a1.

Further, in this embodiment, a space 16 (see FIG. 5) is formed between the expansion/contraction portion 15a of the door bellows 15 and the housing 1, and the space 16 is provided with a lighting unit (for example, LED light) 17 is installed.

As described above, according to the present embodiment, the expansion/contraction portion 15a of the door bellows 15 is composed of a plurality of bending portions (the first bending portion 15a1 and the second bending portion 15a2). , the bending part can be made smaller than the conventional bending part, and the expansion and contraction part of the door bellows 15 does not rub against other parts during driving, and the door bellows 15 can be prevented from being perforated.

In addition, as in the present embodiment, by connecting a plurality of bent portions (two of the first bent portion 15a1 and the second bent portion 15a2), the original shape can be stretched by the same amount as the original shape. is possible, and the original function of vibration absorption and reduction is not reduced.

In addition, since the expansion/contraction portion 15a of the door bellows 15 is composed of a plurality of bending portions (two of the first bending portion 15a1 and the second bending portion 15a2), the dimension of the door bellows 15 in the front-rear direction (lateral direction) is reduced. can be reduced, and the size reduction (thickness reduction) of the door bellows 15 in the front-rear direction (left-right direction) can be realized.

By thinning the door bellows 15, it is possible to increase the size of the outer tub 10 without changing the size of the casing 1, or conversely, to thin the casing 1 without changing the size of the outer tub 10. .

In addition, a space 16 is secured between the housing 1 side and the door bellows 15 by reducing the gap G (see FIG. 5) between the housing 1 and the door bellows 15 without changing the size of the door bellows 15. A lighting unit 17 such as an LED lamp for illuminating the inside of the outer tank 10 can be mounted in this space 16 .

In addition, the first bent portion 15a1 and the second bent portion 15a2 of the expansion/contraction portion 15a of the door bellows 15 are portions where lint and the like generated during operation tend to accumulate. As a result, it can be expected that the amount of lint remaining there is reduced.

That is, when there is one bent portion in the conventional art, the pocket portion formed by the curved surface becomes large, and the amount of lint accumulated in the pocket portion increases. 15a is composed of a plurality of bent portions (two of a first bent portion 15a1 and a second bent portion 15a2). It can be expected that the amount of lint remaining in the lint will be reduced compared to the conventional method.

It should be noted that the present invention is not limited to the above-described embodiments, and includes various modifications. For example, the above-described embodiments have been described in detail to facilitate understanding of the present invention, and are not necessarily limited to those having all the described configurations. Also, it is possible to replace part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. Moreover, it is possible to add, delete, or replace a part of the configuration of each embodiment with another configuration.

Reference Signs List 1 housing 1a front cover 1b housing body 1c top cover 2 door 2a door opening handle 4 rotating shaft 5 pulley 6 belt 10 outer tank 11 Drum 11a Dehydration hole 12 Anti-vibration member 13 Motor 14 Lifter 15 Door bellows 15a Extension/contraction portion of door bellows 15a1 First bending portion 15a1' First bending 15a2 .

Claims (4)

A housing, an outer tub provided in the housing, a drum provided with an inlet inserted into the outer tub for loading laundry, a driving device for rotating the drum, and loading the laundry. A door that is openable and closable at the inlet, and a door bellows that contacts the door and seals the door and the outer tank in a watertight manner when the door is closed, wherein the door bellows: A drum-type washing and drying machine having an elastic part that expands and contracts according to the movement of the outer tub,
The drum-type washer/dryer, wherein the expansion/contraction portion of the door bellows is composed of a plurality of bending portions. The drum-type washing and drying machine according to claim 1,
The expansion and contraction part of the door bellows is composed of at least two first bending parts and second bending parts arranged in the vertical direction, and the second bending part is positioned below the first bending part. and the position of the apex of the second bent portion is the same in the vertical direction as the position of the apex of the first bent portion, or is more horizontally than the position of the apex of the first bent portion. A drum-type washing and drying machine characterized in that the direction is deviated to the right. The drum-type washing and drying machine according to claim 2,
A drum-type washing and drying machine, wherein a space is formed between the expandable portion of the door bellows and the housing, and a lighting unit for illuminating the inside of the outer tub is installed in the space. The drum-type washing and drying machine according to claim 3,
The drum-type washing and drying machine, wherein the lighting unit is an LED light.

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