JP2011143310A - Drum washing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drum washing machine in which invasion of water into an outer case is prevented. <P>SOLUTION: The drum washing machine includes an outer case with a front plate on the front side and a door for opening/closing a washing throw-in port. On the front plate of the outer case, a throw-in port surrounding the door from the periphery is provided. The throw-in port includes a ring shape flange part positioned on the periphery of the door and a recess part housing the door inside the flange part and forming the washing throw-in port in the center, is positioned in front of the water tub inside the flange part, and has an attaching frame fixed on the outer case. The throw-in port and the attaching frame are fixed by screws. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a drum type washing machine having a door on the front surface.

Conventionally, a general drum type washing machine elastically supports a water tank that can store water in an outer box, and a drum that stores laundry in the water tank can be rotated by a motor mounted on the rear surface of the water tank. It is configured to be provided.

FIG. 6 is an enlarged cross-sectional view showing a specific laundry input port portion and bellows attachment structure of the conventional configuration, and a laundry input port 101 and a laundry input on the front surface of the outer box 100 forming the outer shell. A door 102 for opening and closing the mouth 101 is provided, and the door 102 is provided in a circular shape at the center of the front panel 103 of the drum type washing machine and is formed of the same resin material as the front panel 103. It is configured to be stored in 104.

Then, the door 102 and the bellows 10 are closed by the back side of the door 102 being in contact with and closing the upright portion 107 of the bellows 106 provided behind the laundry input port 101 and connected to the water tank 105.
6 to the water tank 105 are configured to be watertight.

The mounting structure of the bellows 106 is such that one end of the bellows 106 is surrounded by a watertight connection around the front end of the water tank 105, and the other end is sandwiched between a mounting frame 108 fixed to the outer box 100 and a front surface thereof. It has a structure sandwiched between plates 109, and has a gap B communicating with the inside of the outer box 100 between the opening member 104 and the bellows 106 (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 2005-143795

However, in the drum type washing machine described above, a gap B communicating with the inside of the outer box 100 is provided between the opening member 104 and the bellows 106.

The present invention has been made in view of the above problems, and an object thereof is to provide a drum-type washing machine that prevents water from entering the outer box.

In order to achieve the above object, a drum type washing machine according to the present invention includes an outer box having a front plate on the front surface, a door for opening and closing a laundry input port formed on the front surface of the outer box, and the outer box. A water tank having an opening on the front surface and a drum that is provided inside the water tank and accommodates laundry and is driven to rotate, and the front plate of the outer box includes A door slot frame that surrounds the door from the outer periphery is provided, and the door slot frame has an annular collar portion that is located on the outer periphery of the door, and a door inside the collar portion that houses the laundry inlet port in the center. A recess portion to be formed, located in front of the water tank inside the outer box, and having a mounting frame fixed to the outer box, the input port frame and the mounting frame,
The main feature is that it is fixed by screws.

According to the drum type washing machine of the present invention, since the charging slot frame and the mounting frame are fixed with screws, no gap is formed in the outer box, and water can be prevented from entering.

Sectional drawing which expands and shows the attachment structure of the laundry input part which shows one Example of this invention, and a bellows External perspective view of a drum-type washing and drying machine to which the present invention is applied Figure corresponding to Figure 2 with the door open Longitudinal side view showing the overall structure of the drum-type washer / dryer Rear view showing the internal structure of the drum-type washer / dryer with the back of the outer box removed FIG. 1 is a view corresponding to FIG.

Hereinafter, an embodiment in which the drum type washing machine of the present invention is applied to a drum type washing and drying machine will be described with reference to the drawings.
FIG. 1 is an enlarged cross-sectional view of a laundry insertion port portion and a bellows attachment structure showing a specific configuration. FIG. 2 is an external perspective view of the drum type washing and drying machine. FIG. 3 is a view corresponding to FIG. 2 with the door open. FIG. 4 is a longitudinal sectional side view showing the overall configuration of the drum type washing and drying machine. FIG. 5 is a rear view of the internal structure of the drum-type washing and drying machine with the rear surface of the outer box removed.
As shown in FIGS. 2, 3, and 4, the drum-type washing and drying machine has a rectangular box shape as a whole, and a circular laundry input port is formed on the front surface portion 1a of the outer box 1 forming the outer shell. 4, and a door 5 that can be opened and closed is attached to the laundry input port 4.
A water tank 6 is disposed inside the outer box 1, and this water tank 6 forms a drum shape having an opening on the front surface. A pair of left and right suspensions 7 (see FIG. 5) are provided on the bottom surface of the outer box 1. ), And the support form is a shape that rises and inclines toward the opening on the front surface.

An annular water tank cover 6 a is provided at the front of the water tank 6, and the water tank cover 6 a and the laundry inlet 4 are connected in a watertight manner by a bellows 8 as will be described later.
The rear end surface portion 6c (the right end surface portion in FIG. 4) constituting the closed bottom surface of the water tank 6 has sufficient mechanical strength, and a motor 15 is attached to the rear surface thereof. In addition, an air supply port 16 to be described later is formed in the upper part. In addition, a drain port 17 is formed at the bottom of the side surface of the water tank 6, a drain valve 18 is attached downstream thereof, and a drain hose 19 is connected to the tip thereof. A flexible hose 20 is connected to the upper surface of the water tank 6.
0 is connected to a rear water supply device 22 via a detergent case 21 provided at the front upper portion of the outer box 1, and is connected to a water supply port 23 of the water supply device 22.

A small-diameter drum 30 having a predetermined gap is disposed inside the water tank 6. The closed bottom surface of the drum 30 has a sufficient thickness, for example, a metal drum support 30b.
It is provided to function as. The drum shaft 30c attached to the center of the drum support 30b is attached to the motor 15 from the center of the bottom of the water tank 6. Thereby, the drum 30 is rotatably supported by the water tank 6 with the same inclination as the water tank 6.
The drum 30 is provided with a large number of holes 31 through which water and air can be passed through almost the entire area of the peripheral wall portion and the drum support 30b (only a part is shown in FIG. 4), and the inner peripheral portion of the body portion. Baffles 32 are attached at several locations.
A drum cover 30 a is attached to the front portion of the drum 30. The drum cover 30a is attached to the peripheral edge of the opened front surface of the drum 30, has a ring shape having a laundry entrance 33 at the center, and is made of a heat-resistant material.

The aquarium cover 6a described above has a ring shape having an opening at the center, and is made of a metal such as an iron plate or a stainless plate, or a rigid material having heat resistance such as glass or synthetic resin.
The water tank cover 6a has an exhaust port 40 formed in an upper portion thereof, and an exhaust port 4 is formed outside the water tank cover 6a.
An exhaust duct 41 that covers 0 and communicates is provided.
The exhaust duct 41 is provided in an annular shape so as to surround the water tank cover 6a, and the lower portion of the exhaust duct 41 is provided below the water tank 6 through a flexible duct 42 having a bellows-like portion. It is connected to the drying unit duct 43.
The drying unit duct 43 extends from the front to the rear in the outer box 1, and a fan casing 44 is provided at the rear thereof. A discharge port 45 formed above the fan casing 44 is connected to an air supply duct 47 via a flexible duct 46 having a bellows-like portion. As shown in FIG. 5, the air supply duct 47 surrounds the motor 15 so as to surround the drum 30.
The tip end portion of the water tank 6 is connected to the air supply port 16 at the upper portion of the rear end surface portion 6c.

Here, the exhaust duct 41 and the flexible duct 42 connected to the exhaust port 40 of the water tank cover 6a.
The circulation air duct 48 communicated with the inside of the water tank 6 by the drying unit duct 43, the fan casing 44, the flexible duct 46, and the air supply duct 47 connected to the air supply port 16 of the water tank 6.
Is configured. A fan 49 a constituting a blower 49 is disposed in the fan casing 44 in the circulation air passage 48, and a fan motor 49 b is disposed outside the fan casing 44.
In the drying unit duct 43, an evaporator (evaporator) 5 of the heat pump mechanism 50 is provided.
1 and a condenser (condenser) 52 are disposed. As is well known, the heat pump mechanism 50 includes a compressor (compressor) 53, a condenser 52, and a capillary tube (not shown) (not shown).
The refrigeration cycle is configured by connecting the throttle 51 and the evaporator 51 in a cycle by pipes in order, and the refrigerant is circulated through them in sequence as the compressor 53 is driven. At this time, in the condenser 52, the refrigerant releases the heat and liquefies, and the condenser 52 functions as a heating means for the circulating air. Further, in the evaporator 51, the surroundings are cooled by removing the surrounding heat when the refrigerant evaporates, and the evaporator 51 functions as a cooling means for circulating air. In this case, the drying function means is constituted by the heat pump mechanism 50 such as the blower 49, the condenser 52, and the evaporator 51, and these are disposed in the outer box 1 below the water tank 6, and therefore, It is arranged at the lower part in the box 1. Further, the compressor 53 that is larger in the height direction than the drying unit duct 43 is disposed in front of the water tank 6 that is inclined upward toward the front surface 1 a of the outer box 1.

Here, a specific configuration including the front portion 1a of the outer box 1 and the attachment means for the bellows 8 will be described.
First, as described above, the openable / closable door 5 is attached to the front surface portion 1a of the outer box 1. The front portion 1a is composed of a front panel 2 as a front plate and an operation panel 3 on which a switch such as a power source is arranged, and each is formed of inexpensive polypropylene.

As shown in FIGS. 1 and 3, a circular inlet slot frame 60 is provided in the center of the front face portion 1 a, which houses the door 5, and has a recessed center. The slot 60 is made of a material different from that of the front panel 2 and is made of, for example, ABS resin having higher rigidity and lower linear expansion coefficient than polypropylene, and is flush with the front panel 2. The ring-shaped ridge portion 61 and a hollow portion 62 having a circular shape and having the laundry input port 4 formed in the center are integrally formed inside the ridge portion 61. The slot 60 is colored in a different color from the front panel 2.
The front panel 2 has an open button 65 (FIGS. 2, 3) for releasing the closed state of the door 5.
Reference) is provided, and the door 5 is opened by pushing.

Further, as shown in FIG. 4, the door 5 has a circular shape that matches the shape of the laundry insertion port 4, and the peripheral end portion thereof is arranged in the recess portion 62, so that It is accommodated in the insertion slot frame 60 on the inner peripheral side of the portion 61, and is configured such that the front surface of the door 5 is substantially flush with the front panel 2 when the door 5 is closed.
Then, the laundry input port 4 is opened and closed by rotating forward by a hinge 63 attached to the left end of the door 5. Further, a hook 64 for holding a closed state is provided at the right end of the door 5.
Further, a see-through window 66 is provided at the center of the door 5 as a see-through portion having the same size as the laundry insertion opening 4. As shown in FIG. 4, the transparent window 66 has a front glass 67 on the front surface of the door 5, for example.
And a rear surface glass 68 provided in parallel to the front glass 67 on the rear surface of the door 5. Further, the peripheral edge of the front glass 67 is annularly different from the front panel 2 and is colored in the same color as the collar 61 described above.

On the other hand, the bellows 8 as a sealing member is an elastic material that reduces vibrations from the water tank 6, for example, as shown in FIGS.
DM) is formed in a cylindrical shape, and a rear mounting rear portion 8a surrounds the front end portion of the water tank cover 6a, and the rear mounting portion 8a is attached by an annular bellow ring 9. The front part of the attachment rear part 8a is formed in a bellows-like shape so as to absorb vibration from the water tank 6.
On the other hand, a ring-shaped upright portion 8b extending in the inner peripheral direction in the vicinity of the laundry insertion opening 4 is formed in front of the bellows 8, and the rear glass 68 as the back surface of the door 5 comes into contact with the upright portion 8b. Thus, the door 5 and the water tank 6 are configured to be watertight. Then, the extending portion 8 extends from the standing portion 8b in the outer peripheral direction.
c is formed extending.

A mounting frame 69 fixed to the outer box 1 is provided behind the extending portion 8c of the bellows 8 and in front of the water tank cover 6a. The mounting frame 69 is formed of a heat-resistant rigid material such as a metal such as an iron plate or a stainless steel plate, and one end of the hinge 63 (see FIG. 3) of the door 5 is attached.

The bellows 8 has an extension portion 8c sandwiched between the aforementioned recessed portion 62 of the input port frame 60 and the mounting frame 69, and a screw formed on the extension portion 8c with a screw from the front of the input port frame 60. It is fixed by being inserted into the hole 8d and further tightened into the screw hole 69a of the mounting frame 69, so that there is no gap between the mounting frame 69 and the input port frame 60 so that water does not enter.

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

First, as the known washing and drying function, as is well known, washing, rinsing, dehydration, and a drying process are executed.

When washing is performed, the door 5 is opened, and the laundry (not shown) is put into the drum 30 from the laundry outlet 33 through the laundry slot 4 of the slot frame 60 and stored therein. Then, the detergent is accommodated in the detergent case 21, and when, for example, a standard course is selected at the operation button of the operation panel 3, each of washing, rinsing, dehydration, and drying is performed based on a control program of a control device (not shown). The process is performed automatically.
In the washing process, first, the drain valve 18 is closed, and water is supplied from the water supply device 22 through the detergent case 21 and the flexible hose 20 into the water tank 6 and stored. At this time, the detergent accommodated in the detergent case 21 is also supplied into the water tank 6 together with water. The motor 15 is driven and the drum 30 is rotated in both forward and reverse directions at a low speed, whereby the laundry in the drum 30 is washed. At this time, the baffle 32 sequentially draws up the laundry and the washing water to promote the stirring of the washing and the washing water.
When the washing process is completed, the drain valve 18 is opened and the water in the water tank 6 is discharged, followed by intermediate dehydration. The intermediate dehydration is performed by causing the motor 15 to rotate the drum 30 in one direction at a high speed to discharge water contained in the laundry from the holes 31 by centrifugal force. When the intermediate dehydration is completed, a rinsing process is performed. The rinsing process is performed in the same manner as the washing process except that no detergent is used when supplying water. When the rinsing process is completed, a final dehydration process is performed. The final dehydration process is similar to the intermediate dehydration process.
Is performed by rotating the drum 30 at a high speed in one direction.

When this final dehydration process is completed, a drying process is performed next. In the drying process, the motor 15 rotates the drum 30 in both forward and reverse directions at a low speed, and drives the blower 49 and the compressor 53 of the heat pump mechanism 50. Among them, when the blower 49 is driven, the drying unit duct 4 is caused by the blowing action of the fan 49a as shown by the solid line arrow A in FIG.
3 is sucked to the fan casing 44 side and discharged from the discharge port 45 to the air supply duct 47 side through the flexible duct 46.

The air discharged to the air supply duct 47 is supplied from the air supply port 16 into the water tank 6. Most of the air supplied into the water tank 6 is supplied into the drum 30 through the holes 31 of the drum 30.

The air in the drum 30 and the water tank 6 flows toward the opening of the water tank 6, hits the rear glass 68 and the bellows 8 of the door 5, and is discharged from the exhaust port 40 at the front of the water tank 6 to the exhaust duct 41 side. . The air discharged to the exhaust duct 41 side is circulated so as to return to the drying unit duct 43 through the lower flexible duct 42.

When the compressor 53 is driven, a high-temperature and high-pressure refrigerant flows from the compressor 53 to the condenser 52, where it dissipates heat and liquefies. At this time, the air passing through the condenser 52 of the drying unit duct 43 is heated by the condenser 52. The liquefied refrigerant passes through the capillary tube and is depressurized, and then flows into the evaporator 51 where it takes away the surrounding heat and vaporizes. At this time,
The air passing through the evaporator 51 of the drying unit duct 43 is cooled by the evaporator 51.

The refrigerant vaporized by the evaporator 51 returns to the compressor 53, is compressed again, and is discharged as a high-temperature and high-pressure refrigerant.

In this way, the warm air heated by the condenser 52 is supplied into the drum 30 to heat the laundry in the drum 30, deprive the laundry of moisture, and dry the laundry. The air deprived of moisture is cooled in the process of passing through the evaporator 51 of the drying unit duct 43, and the moisture contained in the air is condensed and dehumidified. The dehumidified air is heated and warmed in the process of passing through the condenser 52 again, and circulates so that the warm air is supplied into the drum 30. As the air in the water tub 6 is circulated through the circulation air passage 48 in this manner, the laundry in the drum 30 is dried.

  Thus, the washing and drying operation is completed.

  According to the above-described embodiment, the following effects can be obtained.

First, since the slot frame 60 made of a material higher in rigidity than the front panel 2 is provided on the outer periphery of the laundry slot 4 on the front surface of the drum type washing machine and on the outer periphery of the door 5, it is washed at the time of washing. When an object is put into and taken out of the water tank 6 through the laundry inlet 4, the laundry (especially a hard item such as a zipper on the clothes) collides with the collar 61 or the depression 62 located around the laundry inlet 4. Even if it comes into contact, scratches are difficult to occur and cracks are unlikely to occur, so water enters the outer box 1 from the cracks,
It is possible to reliably prevent the internal electrical components and the heat pump mechanism 50 from being damaged by water.

In addition, compared with the case where the entire drum type washing machine is formed of a rigid material, a loading slot frame 60 having a collar 61 and a depression 62 is provided around the laundry loading slot 4 where clothes easily come into contact and collision. Since the frame 60 is made of a rigid material (for example, ABS resin), only necessary portions can be made rigid, and the manufacturing cost is reduced.

Moreover, the color given to the periphery of the front glass 67 of the door 5 and the insertion slot frame 60 (
Alternatively, at least the collar portion 61) is made the same color and is colored in a color different from that of the front panel 2, so that the user can have a visual effect that makes the door 5 look larger, and the laundry is put in. The mouth 4 is also wide, and it can give an image that it is easy to take out the laundry.

In addition, when the peripheral edge of the front glass 67 is not colored and the transparent glass itself has a different color from the front panel 2, the same effect can be obtained even if the collar portion 61 is colored in the same color as the glass.

Further, for example, a metal such as stainless steel may be used as the material of the inlet slot frame 60. In this case, the user can feel a sense of quality.

And since the input port frame 60 formed by integrally molding the collar portion 61 and the hollow portion 62 is formed of a material that is more rigid than the front panel 2, the laundry is put into and out of the water tank through the laundry input port. In this case, the laundry can be received in a wide area from the collar part positioned on the outer periphery of the door to the laundry input port, and the periphery of the laundry input port 4 is protected from scratches and cracks when the laundry collides. be able to.

In the conventional drum type washing machine, as disclosed in FIG.
6, there is a gap B between the outside box 1, the water enters the outside of the outer box 1 through the gap B, and the element parts installed inside the outer box 1. There was a risk of malfunction due to water. In particular, in the heat pump type washing and drying machine as described in the present embodiment, the heat pump mechanism 50 is installed at the bottom of the outer box 1, and thus water that has entered the inside is caused to cause a failure. Also had problems.
However, in this embodiment, the extending portion 8c is formed in the bellows 8, and the extending portion 8c is sandwiched and fixed by the recessed portion 62 of the insertion port frame 60 and the mounting frame 69 fixed to the outer box 1. ,
Since a gap is not formed between the mounting frame 69 and the recessed portion 62 of the charging port frame 60 and can be brought into close contact, water or the like that has entered the clearance between the door 5 and the charging port frame 60 can be removed from the bellows 8 and the recessed portion. It is possible to prevent intrusion into the outer box 1 from between 62.

In particular, since the compressor 53 is an element part that particularly requires waterproofing, it must be provided at a rear position in the outer box 1 away from the door 5 that is not normally exposed to water, but is an element part having a large volume (usually a normal part) However, there is a problem that the arrangement structure of the heat pump mechanism 50 is limited and the volume of the outer box 1 is increased. Since the watertight structure is held and fixed by the attachment frame 69 fixed to the compressor 1, the compressor 53 can be disposed in front of the lower side of the water tank 6 that rises and inclines toward the front surface 1a of the outer box 1. Since the lower space can be used efficiently, the heat pump mechanism 50 can be arranged efficiently, and the volume of the outer box 1 can be reduced. Also, in this case, a structure is provided in which an input port frame 60 formed of a material having higher rigidity than the front panel 2 is provided outside the laundry input port 4 to prevent water from entering from the cracks of the input port frame 60. The compressor 53 can be disposed in front of the lower part of the water tank 6, and thus the volume of the outer box 1 can be reduced.

Further, in the conventional drum type washing machine (see FIG. 6), a bellows 106 is disposed behind the opening member 104.
A clamping plate 109 is provided for fixing the bellows 106 and the mounting frame 108.
In the configuration of this embodiment, since the recess 62 and the mounting frame 69 are directly fixed via the bellows 8, the number of parts can be reduced, the manufacturing cost can be reduced, and the assembly process can be shortened.

Further, in the present embodiment, the extension portion 8 c is sandwiched between the recess portion 62 of the insertion port frame 60 and the mounting frame 69 fixed, and a screw hole formed in the extension portion 8 c with a screw from the front of the recess portion 62. Since it is screwed and fixed to the screw hole 69a of the mounting frame 69 in a state of being inserted into 8d, there is no gap into the outer box 1, and therefore water can be reliably prevented from entering.

In addition, since the slot 60 having the recess 62 is formed of a material having a smaller linear expansion coefficient than that of the front panel 2, for example, ABS, when hot air is blown into the drum 30 like a heat pump type washing dryer, Even when hot air flows from the rear surface of the water tank 6 toward the opening of the water tank 6 and directly hits the bellows 8 as in the present embodiment, the input port frame 60 does not expand and can be prevented from being deformed. Even if 62 and the mounting frame 69 are directly fixed via the bellows 8, it is possible to prevent water from entering from the gap between the recessed portion 62 and the mounting frame 69.

In addition, since the slot 60 included in the recess 62 is formed of a material that is more rigid than the front panel 2, the strength is increased, and the recess 62 and the mounting frame 69 are connected via the bellows 8 as described above. Even if it is directly fixed, the bellows 8 can be fixed more stably in a watertight manner, and there is no need to provide a clamping plate 109 as in the conventional example, so that the number of parts can be reduced, the manufacturing cost can be reduced, and the assembly process Can be shortened.

In this embodiment, the ABS resin is used as the material of the charging slot frame 60. However, a POM resin or a polypropylene resin blended with talc or glass fiber and a filler reinforced material may be used.
In the present embodiment, the recess portion 62 and the flange portion 61 are integrally formed to form the insertion port frame 6.
Although 0 is formed, it may be formed separately.
In addition, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.

In the figure, 1 is an outer box, 1a is a front part, 2 is a front panel, 3 is an operation panel, 4 is a laundry inlet,
5 is a door, 6 is a water tank, 6a is a water tank cover, 6b is an opening, 6c is a rear end surface part, 7 is a suspension, 8 is a bellows, 8a is a mounting rear part, 8b is a standing part, 8c is an extension part, and 8d is Screw hole, 9 is a bellow ring, 15 is a motor, 16 is an air supply port, 17 is a drain port, 18 is a drain valve, 19 is a drain hose, 20 is a flexible hose, 21 is a detergent case, 22 is a water supply device, 23 is a water inlet, 30
Is a drum, 30a is a drum cover, 30b is a drum support, 30c is a drum shaft, 31
Is a hole, 32 is a baffle, 33 is a laundry doorway, 40 is an exhaust port, 41 is an exhaust duct, 42 is a flexible duct, 43 is a duct for a drying unit, 44 is a fan casing, 45 is a discharge port,
46 is a flexible duct, 47 is an air supply duct, 48 is a circulation air passage, 49 is a blower, 49a is a fan, 49b is a fan motor, 50 is a heat pump mechanism, 51 is an evaporator, 52 is a condenser,
53 is a compressor, 60 is a slot, 61 is a collar, 62 is a recess, 63 is a hinge, 64 is a hook, 65 is an open button, 66 is a transparent window, 67 is a front glass, 68 is a rear glass, 69
Is a mounting frame, 69a is a screw hole, 100 is an outer box, 101 is a laundry inlet, 102 is a door, 103
Is a front panel, 104 is an opening member, 105 is a water tank, 106 is a bellows, 107 is a standing part, 1
Reference numeral 08 denotes a mounting frame, and 109 denotes a clamping plate.

Claims (1)

An outer box having a front plate on the front surface;
A door that opens and closes the laundry inlet formed on the front of the outer box;
A water tank elastically supported inside the outer box and having an opening on the front surface,
A drum that is provided inside the aquarium and accommodates laundry and is driven to rotate;
The front plate of the outer box is provided with a loading slot frame that surrounds the door from the outer periphery,
The insertion slot frame has an annular collar that is located on the outer periphery of the door, and a recess that houses the door inside the collar and forms the laundry insertion slot in the center.
It is located in front of the water tank inside the outer box, and has an attachment frame fixed to the outer box,
The drum-type washing machine, wherein the insertion slot frame and the mounting frame are fixed by screws.

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