JP2000210494A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To partially wash an object to be washed by reducing the danger of damaging its raw material, and to improve operability. SOLUTION: This washing machine is provided with an ultrasonic oscillator 22 supplied with driving power to be ultrasonic-vibrated, a vibration horn 23 mechanically connected to the ultrasonic oscillator 22 to be ultrasonic-vibrated, and abutted for its tip part on an object 100 to be washed to apply ultrasonic vibration to the same, and an ultrasonic washing device 9 having a liquid feeding port to feed water to the tip part surface of the vibration horn 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a washing machine provided with an ultrasonic cleaning device.

[0002]

2. Description of the Related Art Conventionally, as a washing machine for partially washing dirt on a specific portion of laundry, for example, Japanese Patent Publication No. Hei 8-32285 (JP-A-1-223998), a brush-like washing body is driven to rotate. There is disclosed an apparatus in which a partial washing apparatus of the type is housed in a washing machine main body, and washing is performed partially by bringing laundry into contact with the rotating brush.

[0003]

However, in the case of the above-described conventional partial cleaning device in which the brush-like cleaning body is driven to rotate, the load on the laundry is large, and there is a danger of partially damaging the cloth. There was sex. For example, a portion that is easily soiled, such as a collar or a sleeve, is damaged more quickly, and as a result, the life of the other portion is shortened even when the other portion can still be used.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a washing machine in which partial washing of laundry does not have a risk of damaging the fabric and operability is improved. With the goal.

[0005]

The present invention has the following configuration to achieve the above object. The invention of claim 1 is
Ultrasonic vibrating means which is supplied with driving power and vibrates ultrasonically, and which is mechanically connected to the ultrasonic vibrating means to vibrate ultrasonically, and which abuts on the tip with the object to be ultrasonically oscillated. There is provided a washing machine provided with an ultrasonic cleaning device having a vibration horn for applying vibration and a liquid supply means for supplying a liquid to the surface of the tip of the vibration horn.

According to a second aspect of the present invention, there is provided a washing machine according to the first aspect, wherein the ultrasonic cleaning device is positioned near the upper portion of the washing tub by a support provided on a peripheral portion of the washing tub of the main body of the washing machine. On the machine.

According to a third aspect of the present invention, the vibration horn is housed in a storage case having an opening at a lower portion, and the tip of the vibration horn protrudes into contact with the opening, and the storage case traverses toward the opening. The washing machine according to claim 1, wherein an inclined surface for reducing the surface is formed.

According to a fourth aspect of the present invention, in the ultrasonic cleaning apparatus, the finger insertion regulating members are provided to face each other at a predetermined interval along the tip of the vibration horn.
In the washing machine.

According to a fifth aspect of the present invention, in the washing machine according to the fourth aspect, the finger insertion restricting member is provided so as to protrude forward from the tip of the vibrating horn on the operation side.

According to a sixth aspect of the present invention, in the washing machine according to the fourth aspect, the width of the finger insertion restricting member is smaller than the width of the storage case with respect to the width in the left-right direction from the operation side. is there.

According to a seventh aspect of the present invention, in the washing machine according to the fourth aspect, the attachment state of the finger insertion regulating member can be changed.

According to an eighth aspect of the present invention, there is provided the washing machine as set forth in the first aspect, wherein the ultrasonic cleaning device is provided with a permissible space without the vibration horn at a position farther from the operation direction of the vibration horn.

According to a ninth aspect of the present invention, in the washing machine according to the first aspect of the present invention, a liquid supply valve for the ultrasonic cleaning device is provided separately from the liquid supply valve of the main body of the washing machine. is there.

According to the first aspect of the present invention, the ultrasonic vibration means vibrates ultrasonically by supplying drive power, and the vibration horn vibrates ultrasonically by being mechanically connected to the ultrasonic vibration means. The ultrasonic vibration can be applied to the laundry by contacting the tip of the laundry with the laundry. Furthermore, since the liquid is supplied from the liquid supply means to the surface of the tip of the vibration horn, the laundry to be in contact with the tip of the vibration horn makes it easy for the dirt to float up with moisture, and at the same time,
The laundry can be washed effectively without damaging the fabric by the two-stage ultrasonic vibration wave caused by direct ultrasonic vibration from the vibration horn and ultrasonic vibration to details in the fiber through the liquid.

According to the second aspect of the present invention, the user can carry out the ultrasonic cleaning operation near the center of the washing tub by holding the object to be washed with both hands, so that the washing portion can be accurately positioned at the tip of the vibration horn. The operability is greatly improved, and the ultrasonic vibration device is stored when not in use, so that normal washing can be performed without any trouble.

According to the third aspect of the present invention, since the lower portion of the ultrasonic cleaning device forms an inclined surface that faces upward with respect to the tip of the vibration horn, the object to be washed is moved to the tip of the vibration horn. The contact can be made accurately.

According to the fourth aspect of the present invention, since the finger insertion restricting member is provided opposite to the lower end of the vibrating horn, the finger does not touch the distal end of the vibrating horn, thereby ensuring safety. it can.

According to the fifth aspect of the present invention, the finger insertion restricting member extends toward the operating side of the front end of the vibrating horn, thereby restricting the laundry to be inserted with the finger using the restricting member as a guide. Since it can be inserted into the gap between the member and the tip of the vibration horn, the laundry can be set in the ultrasonic cleaning device by simple operation without being conscious.

According to the sixth aspect of the present invention, the width of the finger insertion restricting member in the width in the left-right direction from the operation side is made smaller than the width of the storage case of the ultrasonic cleaning device, so that the tip of the vibrating horn is formed. Therefore, it is easy to move the laundry and set the finger insertion restricting member and the vibration horn in the gap between the front end and the rear end of the vibration horn.

According to the seventh aspect of the present invention, the finger insertion restricting member can be detached, so that thick clothing which does not directly touch the tip of the vibration horn with fingers can be washed,
When the power is turned off, it can be removed for cleaning, and the workability can be improved.

According to the eighth aspect of the present invention, by providing an allowable space on the depth side of the vibration horn in the main body of the ultrasonic cleaning apparatus, it is possible to improve the space for inserting the laundry.
It can be cleaned well up to the dirt in the foreground (a wider range of dirt).

According to the ninth aspect of the present invention, since the liquid supply valve for the ultrasonic cleaning device is provided separately from the liquid supply valve of the washing machine main body, water is supplied to the tip of the cleaning horn with a water amount suitable for ultrasonic cleaning. Therefore, a washing machine having an economical ultrasonic cleaning device can be obtained.

[0023]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a washing machine A of the present invention will be described with reference to the drawings. FIG. 1 is a schematic cross-sectional side view of a washing machine A according to the present invention, in which an ultrasonic cleaning device is mounted. In FIG. 1, reference numeral 1 denotes a box-shaped outer tub 1 of a washing machine A. Inside the outer tub 1, a cylindrical water tub 3 is swingably suspended via a suspension rod 3A via a vibration absorbing spring 3B. I have. A cylindrical washing tub 4 is provided in the water tub 3.
A stirring blade 6 for stirring the laundry 100 is rotatably disposed at the bottom of the washing tub 4.

A drive unit housing 7 is attached to a lower part of the water tub 3. A rotor and a stator forming a motor for driving a washing tub (not shown) are arranged in the drive unit housing 7. Is connected to a stirring shaft for rotating the stirring blade 6, and a hollow dewatering shaft coaxial with the stirring shaft is connected to the washing tub 4. Although not shown, the dehydrating shaft and the stirring shaft are switched by a clutch. The number of rotations of the driving motor can be appropriately changed by inverter control. A liquid balancer 5 is provided at the upper end of the washing tub 4.

The upper surface plate 2 of the washing machine A is a box-shaped body provided with the lower surface opened and fitted to the outer tub 1.
An outer lid 8 is provided which can be folded and opened and closed around the rear side of the operation when taking in and out. Reference numeral 9 denotes an ultrasonic cleaning apparatus main body 9 for washing the laundry 100 by applying ultrasonic waves thereto, and is supported by an arm 11 described below, one end of which is supported by a support shaft 10 provided on the upper plate 2. FIG. 1 shows a state (in the direction of the arrow) inserted into the cleaning section of the ultrasonic cleaning device 9 supported near the upper center of the washing tub 4.

Next, FIG. 2 is a top view showing the positional relationship between the washing machine A and the ultrasonic cleaning device 9 according to the present invention. 5 shows a state in which it is stored in a part B. An ultrasonic oscillator 12 for generating ultrasonic waves provided inside the back side of the upper surface plate 2 includes:
The power supply cord 21 is connected to the ultrasonic cleaning apparatus main body 9.

The arm 11 has one end mounted on the support shaft 1 in the upper plate 2.
The arm 11 is a hollow rod-shaped body 11 rotatably fixed and supported at the other end and having the ultrasonic cleaning device main body 9 attached to the other end, and housed in the peripheral portion B of the washing machine A without using the ultrasonic cleaning device. In the state, it is regulated by the stopper 13, and when the ultrasonic cleaning device 9 is used, it is regulated by the stopper 14 at the place where it rotates and reaches above the washing tub 4.

The water supply valve 39 is connected to the ultrasonic cleaning device main body 9 via the water supply hose 25. The amount of water supplied from the water supply valve 39 may be as small as 1 liter / minute, for example. Therefore, the amount of water supplied to the washing machine body A (10 to 20 liters /
The water supply valve 39 is provided separately from the water supply valve (not shown) of the main body A of the washing machine due to the difference from the above.

FIG. 3 is a top view showing the positional relationship when the ultrasonic cleaning device 9 is used. The ultrasonic cleaning device main body 9 is mounted on the washing tub 4 together with the arm 11 in the direction of arrow C from the stored state of FIG. 7 shows a state of use of the extracted ultrasonic cleaning device 9.

FIG. 4 is a sectional view taken along the line DD of FIG.
FIG. 2 is a sectional view of a main part showing a locking structure of an arm 11 and a support shaft 10 and a schematic structure of an ultrasonic cleaning device main body 9. Top plate 2
Inside the peripheral portion B, the support shaft 10 is inserted into a hole provided at one end of the arm 11, a compression spring 17 is inserted and screwed to the support housing 19, and the arm 11 is rotatable about the support shaft 10. Is fixed. Therefore, the vertical direction of the arm 11 is positioned by the compression spring 17, the spacer 16, and the support base 18, and the vertical play is prevented.

The main body 9 of the ultrasonic cleaning device is disposed at the other end of the arm 11. The power cord 21 and the water supply hose 25 are fixed to a substantially L-shaped line protruding from the inner surface of the upper plate 2. It is fixed and supported by the parts 29 and 30, penetrates through the inside of the arm 11, and is connected to the ultrasonic cleaning apparatus main body 9. As a result, the power cord 21 and the water supply hose 25 do not hang down inside the washing machine A and do not hinder use. In addition, the power cord 21 and the water supply hose 25 are struck inside the main body by the vibration at the time of washing, so that further noise, breakage of the water supply hose and the like, and an accident can be prevented. The configuration of the ultrasonic cleaning device main body 9 will be described with reference to FIG.

FIG. 5 shows a partial internal structure of the ultrasonic cleaning apparatus main body 9 (cross section taken along the line DD in FIG. 3). The main configuration of the ultrasonic cleaning apparatus main body 9 is a box-shaped case 9B having a lower surface opened (OP1) and a box-shaped inner case supported inside the case 9B at a predetermined interval and having a lower surface opened (OP2). 9E, an ultrasonic vibrator 22 provided in an upper part in the inner case 9E, and a rectangular shape which is also in the inner case 9E and is mechanically connected so that ultrasonic vibration can be transmitted from the ultrasonic vibrator 22. The vibration horn 23 is a plate-like body.

The lower end of the vibrating horn 23 forms a distal end 23B whose thickness gradually decreases toward the center toward the distal end, and generates ultrasonic waves from the distal end 23B. The distal end portion 23B passes through the lower openings OP1 and OP2 of the inner case 9E and the case 9B at a predetermined interval.

A washing section 26 for washing the laundry 100 is provided at a lower portion of the case 9B. The washing section 26 has a rectangular lower opening OP1 which is elongated from the front side to the rear side in the drawing.
And a cleaning section lower end including a side inclined surface 35A formed so as to gradually decrease the width toward the long side of the lower opening OP1, and a front inclined surface 35B described later. Therefore,
The tip 23B of the vibrating horn 23 protrudes slightly below the lower end of the cleaning portion at the lower end of the case 9B.
As shown in FIG. 4, the laundry 100 easily contacts and presses the tip 23B of the vibrating horn 23 as shown in FIG. Ultrasonic cleaning of the site is possible precisely.

The inner case 9E is supported at predetermined intervals from the inner wall of the case 9B by mounting members 9C and 9D fixed to the inner upper surface and the inner side surface of the case 9B. Inside the box-shaped inner case 9E, a water supply port 24 connected to the water supply pipe 25 is provided at substantially the same height as the base of the distal end 23B of the vibration horn 23 to enable water supply to the distal end 23B. In addition, a water supply jacket 36 is provided above the water supply port 24 to seal and cover the surface of the distal end 23B with a flexible packing 27 in order to prevent water supplied from the water supply port 24 from entering the ultrasonic vibrator 22 direction. I have. Also, the lower portion of the water supply jacket 36 is inclined toward the opening OP2 at the same angle as the side inclined surface 35A and the inclined surface 26B.
Is formed to facilitate the supply of water to the distal end portion 23B and prevent water from accumulating in the water supply jacket 36.

A water supply port 24 formed below the packing 27
Is supplied from the opening OP2 through the opening OP1 while stagnating the tip 23B of the vibration horn 23 via the water supply jacket 36. Also,
Under the tip 23B of the vibration horn 23, the laundry 10
The insertion prevention stopper 28 is provided to oppose and support at a predetermined interval so that 0 can be inserted.
This will be described with reference to FIG.

FIG. 6 is a sectional view taken along the line EE in FIG.
The front inclined surface 35B at the lower end of the washing unit is an inclined surface that faces upward from the lower opening OP1 of the case 9B toward the near side (operating side), and when the laundry 100 is applied below the front end 23B from the near side, the laundry 100 is cornered. Is prevented from being caught.

The distance between the lower end of the cleaning unit and the finger insertion prevention stopper 28 is set to, for example, 6 mm on the condition that a finger does not enter the cleaning unit 26 at the minimum part. As a result, contact of the finger with the tip of the vibration horn 23 can be prevented. Further, the tip portion 33 of the finger insertion prevention stopper 28 protrudes from the lower end of the washing section. As a result, the laundry 100 can be easily inserted using the finger insertion prevention stopper 28 as a guide. The finger insertion prevention stopper 28
Has a trapezoidal shape whose width increases from the near side to the rear side as shown in FIG.
-R direction), the width W2 on the near side and the width W3 on the rear side of the lower end of the cleaning portion of the case 9B are narrower than the width W1 in the LR direction at the lower end of the cleaning portion of the case 9B. Thus, the laundry 100 can be easily inserted and moved.

Further, the finger insertion preventing stopper 28 is fixed by screws with a fixture 40. With the attachment 40, the finger insertion prevention stopper 28 can be removed, and it can be removed when cleaning thick clothing in which the fingers do not directly touch the tip of the vibrating horn 23, or when the power is turned off, and when cleaning. I can do it. The removal here is not only complete removal, but also finger insertion prevention stopper 2
8 also includes a change in the mounting position.

The vibration horn 2 in the main body of the ultrasonic cleaning device 9
3, an allowance space 37 is provided below the vibrating horn 23 below the vibration horn 23 toward the operation side.
The margin of the insertion space of 0 is increased, and a wide range of washing is enabled.

Since the ultrasonic oscillator 12 is connected to the power cord 21 by a connector 38 as shown in FIG.
After assembling the ultrasonic cleaning device main body 9, the arm 11, and the like on the upper surface plate 15, it can be connected to the ultrasonic oscillator 12 via the connector 38, which is convenient at the time of assembly, maintenance, and the like. That is, the ultrasonic cleaning apparatus main body 9 can be assembled separately from the washing machine main body A, and the entire upper surface plate 2 is attached to the washing machine main body A, so that the same assembly as the conventional washing machine can be performed. become.

Next, the operation of using the ultrasonic cleaning apparatus 9 will be described. The lid 8 of the washing machine A is opened, the ultrasonic cleaning device main body 9 housed as shown in FIG. 2 is pulled out, and as shown in FIG. 3, the water supply valve 39 of the ultrasonic cleaning device 9 is opened to supply water.
When a power switch (not shown) of the ultrasonic cleaning device 9 is turned on, the ultrasonic oscillator 12 oscillates and the vibration horn 2
3 generates an ultrasonic wave. As shown in FIGS. 4 and 5, the laundry 100 to which a liquid detergent has been applied is inserted between the lower end of the washing unit and the insertion prevention stopper 28 so that the soiled portion of the laundry 100 contacts the tip 23 B of the vibration horn 23. Reciprocate several times while washing. Since the ultrasonic cleaning device 9 is supported above the washing tub 4 via the arm 11, the operator can bring the laundry 100 into contact with the tip portion 23 </ b> B of the vibration horn 23 with both hands firmly. .

The laundry 100 is made easy to remove dirt directly by the ultrasonic vibration of the tip 23 B of the vibration horn 23, and the vibration horn 2 in the water supply jacket 36.
Water can also be supplied from the water supply port 24 that has been subjected to ultrasonic vibration by the means 3. Accordingly, the laundry 100 is provided with two-stage ultrasonic vibrations by the vibration horn 23 and water, and is supplied with water for cleaning at the same time, so that the cleaning effect is enhanced. In the above description, the water is supplied to the tip 23B of the vibration horn 23. However, the cleaning effect can be further improved by applying the cleaning liquid to the tip 23B of the vibration horn 23. .

The vicinity of the tip 23B of the vibrating horn 23 may be a flat surface, but may be provided by providing a line-shaped unevenness as shown in FIG. 6 (a) or a convex piece as shown in FIG. 6 (b). The effect of the ultrasonic wave can be obtained in detail, and more appropriate washing can be performed according to the type of dirt.
Further, by making the tip 23B of the vibration horn 23 replaceable, a more general-purpose washing machine can be obtained.

After washing, the laundry 100 is taken out, the power of the ultrasonic cleaning device 9 is turned off, and the water supply valve 39 is closed. Then, the ultrasonic cleaning device main body 9 is stored as shown in FIG. After doing so, normal washing is performed. As a result, washing can be performed as usual without the ultrasonic cleaning device 9 being in the way.

In this embodiment, a case has been described in which the arm 11 is rotatably provided as a means for supporting the ultrasonic cleaning device 9 on the upper portion of the washing tub 4. However, the present invention is not limited to this. It may be a case where it is pulled out onto the washing tub 4 instead of rotating, or a case where it is fixed on the periphery of the washing tub 4 of the predetermined washing machine body instead of on the washing tub 4, and the worker firmly holds it with both hands. Any mode may be used as long as the laundry can be ultrasonically cleaned.

[0047]

As described above, according to the first aspect of the present invention, the ultrasonic vibration means vibrates ultrasonically by supplying drive power, and the vibration horn is mechanically connected to the ultrasonic vibration means so that the vibration horn becomes supersonic. Ultrasonic vibration can be given to the laundry by vibrating the horn and bringing the tip of the vibration horn into contact with the laundry. Further, since the liquid is supplied from the liquid supply means to the surface of the tip of the vibrating horn, the laundry to be brought into contact with the tip of the vibrating horn makes it easy for the dirt to float up with moisture, and at the same time, the vibration horn 2 by direct ultrasonic vibration from fiber and ultrasonic vibration to details in fiber through liquid
The washing of the laundry can be effectively performed without damaging the fabric by the ultrasonic vibration waves at the stages.

According to the second aspect of the present invention, the user can hold the object to be washed with both hands and perform the ultrasonic cleaning operation near the upper central portion of the washing tub. The operability is greatly improved, and the ultrasonic vibration device is stored when not in use, so that normal washing can be performed without any trouble.

According to the third aspect of the present invention, since the lower portion of the ultrasonic cleaning device forms an inclined surface facing upward with respect to the tip of the vibration horn, the object to be washed is moved to the tip of the vibration horn. The contact can be made accurately.

According to the fourth aspect of the present invention, since the finger insertion restricting member is provided so as to oppose the lower end of the vibration horn, the finger does not touch the front end of the vibration horn, and safety is ensured. it can.

According to the fifth aspect of the present invention, the finger insertion restricting member extends toward the operating side of the front end of the vibrating horn, thereby restricting the laundry to be inserted by using the restricting member as a guide. Since it can be inserted into the gap between the member and the tip of the vibration horn, the laundry can be set in the ultrasonic cleaning device by simple operation without being conscious.

According to the sixth aspect of the present invention, the width of the finger insertion regulating member in the width in the left-right direction from the operation side is made smaller than the width of the storage case of the ultrasonic cleaning device, so that the tip of the vibrating horn is formed. Therefore, it is easy to move the laundry and set the finger insertion restricting member and the vibration horn in the gap between the front end and the rear end of the vibration horn.

According to the seventh aspect of the present invention, since the finger insertion restricting member can be detached, it is possible to clean thick clothing in which a finger does not directly touch the tip of the vibration horn,
When the power is turned off, it can be removed for cleaning, and the workability can be improved.

According to the eighth aspect of the present invention, by providing an allowable space on the depth side of the vibration horn in the main body of the ultrasonic cleaning apparatus, it is possible to improve the space for inserting the laundry.
It can be cleaned well up to the dirt in the front (a wider range of dirt).

According to the ninth aspect of the present invention, since the liquid supply valve for the ultrasonic cleaning device is provided separately from the liquid supply valve of the main body of the washing machine, water is supplied to the tip of the cleaning horn with a water amount suitable for ultrasonic cleaning. Therefore, a washing machine having an economical ultrasonic cleaning device can be obtained.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a schematic structure of a washing machine A according to an embodiment of the present invention, in which an ultrasonic cleaning device 9 is mounted.

FIG. 2 is a top view showing a state where the ultrasonic cleaning device 9 according to the embodiment of the present invention is housed in a peripheral portion B of a washing machine main body A.

FIG. 3 is a top view showing a state where the ultrasonic cleaning device 9 according to the embodiment of the present invention has been pulled out from a peripheral portion B of the main body A of the washing machine.

FIG. 4 is a sectional view taken along the line DD in FIG. 3;

FIG. 5 is a sectional view of the ultrasonic cleaning apparatus main body 9;

FIG. 6 is a sectional view taken along the line EE in FIG. 4;

FIG. 7 is a partial perspective view of a concavo-convex (a) and protruding side (b) structure of a tip according to another embodiment of the vibration horn 23;

[Explanation of symbols]

 Reference Signs List A washing machine B peripheral edge of washing machine body 9 ultrasonic cleaning device W1 width of ultrasonic cleaning device 9B case 11 arm 12 ultrasonic oscillator 22 ultrasonic vibrator 23 vibration horn 24 water supply port 25 water supply hose OP1, OP2 opening 28 finger insertion Prevention stopper W2, W3 Finger insertion prevention stopper width 33 Tip 35A Side-side inclined surface 35B Front-side inclined surface 37 Allowable space 39 Water supply valve

Claims (9)

[Claims] An ultrasonic vibrating means that receives driving electric power and vibrates ultrasonically, and mechanically couples with the ultrasonic vibrating means to ultrasonically vibrate;
And an ultrasonic cleaning device having a vibration horn for applying ultrasonic vibration to the object to be washed by abutting the front end thereof on the object to be washed, and liquid supply means for supplying a liquid to the surface of the front end of the vibration horn. Washing machine. 2. The washing machine according to claim 1, wherein the ultrasonic cleaning device is positioned in the vicinity of an upper portion of the washing tub by a support provided at a peripheral portion of the washing tub of the washing machine main body. 3. The vibrating horn is housed in a storage case having an opening at a lower portion, and the tip of the vibrating horn protrudes in contact with the opening, and the storage case decreases in cross section toward the opening. The washing machine according to claim 1, wherein an inclined surface is formed. 4. The washing machine according to claim 1, wherein in the ultrasonic cleaning device, finger insertion restricting members are provided at predetermined intervals along the tip of the vibration horn. 5. The washing machine according to claim 4, wherein the finger insertion restricting member is provided so as to protrude forward from the tip of the vibrating horn toward the operation side. 6. The washing machine according to claim 4, wherein the width of the finger insertion restricting member is smaller than the width of the storage case with respect to the width in the left-right direction from the operation side. 7. The washing machine according to claim 4, wherein the finger insertion restricting member is capable of changing an attached state. 8. The washing machine according to claim 1, wherein the ultrasonic cleaning device is provided with a permissible space without a vibration horn at a rear side from an operation direction of the vibration horn. 9. A liquid supply valve for the ultrasonic cleaning device,
2. The washing machine according to claim 1, wherein a liquid supply valve is provided separately from the liquid supply valve of the main body of the washing machine.