JP2002065553A - Dish washer-dryer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dish washer-dryer with excellent watertightness, preventing water leakage from a washing tank without needing a large area and dead space for installation. SOLUTION: This dish washer-dryer is provided with the washing tank 40 provided inside a washer-dryer body 1 and having an opening 5 on the front face side; a washing nozzle 45 installed in the washing tank 40 to inject wash water; a washing pump 18 for force-feeding wash water to the washing nozzle 45; a blower 24 for blasting outside air into the washing tank 40; a dish basket 50 enclosed in the washing tank 40 while accommodating dishes 51, and the like; and a door 30 for opening/closing the opening of the washing tank 40. The door 30 is formed in approximately U-shaped cross section with the front face formed in circular arc shape and with both side faces formed in backward converged sector shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for washing and drying dishes and the like by spraying washing water.

[0002]

2. Description of the Related Art FIG. 14 is a longitudinal sectional view showing an example of a conventional dishwasher with a door opened. In the figure,
101a is an outer case constituting the main body 100 of the dishwasher / dryer, 101b is an inner case, and a washing tank 102 is formed by the inner case 101b. 104 is a cleaning tank 102
Door 105 for opening and closing the front opening 103 of the washing tank 10
2 and a plurality of jets 10
6 and is rotatably supported by the bottom of the cleaning tank 102. 107 is a disk-shaped rear cleaning nozzle rotatably installed on the rear wall of the cleaning tank 102, and 108 is the cleaning tank 1
02 is a disk-shaped ceiling washing nozzle rotatably installed on the ceiling of No. 02.

[0003] 109 is installed between the bottom of the outer case 101a and the bottom of the inner case 101b.
A cleaning pump that pumps cleaning water to 5, 107 and 108,
Each of the cleaning nozzles 105, 107, and 108 is provided with a water supply pipe 110.
a, 110b, and 110c. 111
Is a filter detachably provided between the bottom of the cleaning tank 102 and a water supply port of the cleaning pump 109, and 112 is an operation unit. 113 is a table in which tableware and the like 114 are stored, and
2 is a tableware basket that can be stored in and removed from the container 2 (prior art 1).

In order to wash dishes 114 using the dishwasher / dryer constructed as described above, first, the front opening 103 is opened by rotating the lower end of the door 104 forward to open the front opening 103. The tableware basket 113 is positioned to accommodate the dirty tableware 114 and the like. Next, the tableware basket 113 is stored in the washing tank 102, and the door 104 is closed. Then, the detergent is put into the washing tank 102 and the washing water is supplied, the washing pump 109 is driven, and the washing water is jetted from the washing nozzle 105 to wash the dishes 114 (washing step).

When a predetermined time has elapsed, the washing water is discharged out of the machine, the washing water is supplied again into the washing tank 102, the washing pump 109 is driven to inject the washing water from the washing nozzle 105, and the tableware is washed. And the like 114 (rinsing step). This rinsing is repeated several times. When the rinsing step is completed, the washing water is discharged outside the machine, and outside air is introduced into the washing tank 102 by a blower (not shown).
This is heated by a heater (not shown) to generate hot air, circulated in the cleaning tank 102 to dry the dishes 114, and discharged from an exhaust port (not shown) (drying step).

FIG. 15 is a longitudinal sectional view of a dishwasher described in Japanese Utility Model Publication No. 1-59572. The same or corresponding parts as in the prior art 1 are denoted by the same reference numerals, and description thereof will be omitted. In this dishwasher, a door 115 is configured by first and second door bodies 116 and 117 having a front surface formed in an arc shape and a U-shaped cross section. 118, the first and second doors 116, 117
(Prior Art 2).

When the door 115 is opened, the handle 119 is used to move the second door 117 to the center of rotation 118.
Is pivoted on the axis to overlap the first door body 116, and the handle 119 is further pushed to push the first and second door bodies 116, 1
17 are simultaneously rotated, most of them are accommodated in the cleaning tank 102 along the guide plate 120 provided in the cleaning tank 102, and the front surface is opened. The operations in each of the steps of washing, rinsing, and drying dishes and the like are almost the same as those in the case of the prior art 1, and the description thereof will be omitted.

[0008]

In the dishwasher / dryer according to the prior art 1, when the tableware 114 is taken in and out, the door 104 is used.
When the dishwasher is installed, at least the depth of the main body 100 of the dishwasher and the
A table or the like having a total width (or total depth) with the length (height) of the device 04 is required, and therefore a large installation area is required. Further, it can be installed on a table or the like having a width (or depth) corresponding to the depth of the main body 100. In this case, a dead space for the door 104 to protrude from the table or the like when the tableware or the like 114 is put in or taken out. There is a possibility that a person, particularly an elderly person or a child, may collide with the door 104 that has been required or protruded.

In the dishwasher of the prior art 2, when the door 104 is opened, the door 104 is accommodated in the washing tank 102, so that the problems as in the prior art 1 can be solved. In a dishwasher, a high degree of watertightness is required because washing water sprayed from a spray nozzle collides with the inner wall of a washing tank or the inner surface of a door, such as tableware, and scatters. In the dishwasher of the prior art 2, the door 115 is connected to the first and second two door bodies 1.
16, 117, the structure is not only complicated, but also the rotation center 118, the case 101 and the door 1
15 and the watertight structure is troublesome.
Since the watertight structure between the second doors 116 and 117 is extremely complicated and troublesome, there is a possibility of water leakage sometimes,
It was not practical.

The present invention has been made in order to solve the above-mentioned problems, and does not require a large area or dead space for installation, and furthermore, has a watertightness capable of reliably preventing water leakage from a washing tank. It is intended to provide an excellent dishwasher and dryer.

[0011]

(1) A dishwasher according to the present invention is provided with a washing tank provided in a main body and having an opening on a front side, and is installed in the washing tank and sprays washing water. A washing nozzle, a washing pump for pressure-feeding washing water to the washing nozzle, a blower for sending outside air to the washing tank, and a tableware housing tableware and the like and housed in the washing tank,
A door for opening and closing the opening of the washing tank; and the door is formed in a substantially U-shaped cross section in a fan shape in which a front surface is arc-shaped and both side surfaces converge rearward.

(2) The door of (1) has a double structure with an outer plate and an inner plate. (3) A sound insulating material and / or a vibration damping material are provided between the outer surface plate and the inner surface plate of the door of (2).

(4) A door accommodating portion is provided between the rear wall of the washing tank of (1), (2) and (3) and the tableware basket. (5) An exhaust port is provided at the upper front end of the main body of (1), (2), (3) or (4), and a blower is provided below the rear of the main body.

(6) The above (1), (2), (3),
The rear ends of both side surfaces of the door of (4) or (5) were rotatably mounted on a fixed shaft provided substantially at the center on the opening side of both side walls of the main body. (7) A door provided with a cylindrical seal member at the rear end of both sides is rotatably mounted on a fixed shaft provided on both side walls of the main body of (6), and the seal member is spring-mounted on the main body. In close contact.

(8) A seal member provided with a lip is attached to the upper end of the front surface of the door of (6) or (7) and to the side end of the upper side of the rear end of both sides. An inclined surface on which the lip of the seal member is pressed when the door is closed is provided on the inner surface near the distal end and the inner surface near the distal end on the side surface above the fixed shaft.

(9) A seal member is attached to the lower end of the fixed shaft provided on the main body of (6), (7) or (8), and the seal member is attached to the door at a position corresponding to the seal member. A pressure contact portion to be pressed was provided. (10) A seal guard portion longer than the pressure contact portion is provided inside the pressure contact portion of (9).

[0017]

FIG. 1 is a longitudinal sectional view of one embodiment of the present invention, FIG. 2 is a perspective view of the appearance of FIG. 1, and FIG. 3 is a perspective view showing a state where a door of FIG. 2 is opened. In the figure, reference numeral 1 denotes a main body of a dishwasher, a box-shaped lower case 1 having an open upper part.
5 and an upper case 2 coupled to the lower case 15. The upper case 2 has a rear wall, right and left side walls, and a top plate, and is cut from a substantially central portion of the left and right side walls to a front side in a fully open fan shape with a vertical upper part. Almost one half of the front side is cut off continuously,
A large opening 5 is formed on the front side.

The upper case 2 is formed in a double structure by an outer plate 2a and an inner plate 2b, and an upper outer plate 2a and an inner plate 2b are formed.
A ventilation hole 3 is further provided between the top plate and an exhaust port 4 which communicates with the ventilation hole 3 and opens to the outside air at the front end of the top plate. Reference numeral 11 denotes a partition plate for partitioning between the upper case 2 and the lower case 15, and a lower part on the front side is provided with a substantially L-shaped drain port 12 opening to the partition plate 11, and a filter 13 is provided in the opening. It is attached detachably.

Reference numeral 30 denotes a door made of, for example, a transparent synthetic resin, which is rotatably mounted on a fixed shaft of a rotation center portion 31 provided on both side walls of the upper case 2 and which opens and closes the opening 5 of the upper case 2. An outer plate 30a and an inner plate 30b formed in a fan shape in which the front surface has an arc shape and both side surfaces converge rearward and have a U-shaped cross section are arranged at a predetermined gap to form a double structure. The width and the height are formed to be large enough to be accommodated in the upper case 2. Reference numeral 32 denotes a handle provided on the front side of the lower end of the door 30.

Reference numeral 40 denotes an upper case 2, a partition plate 11, and a door 3.
The cleaning tank is formed by a water reservoir 41 at a lower portion. A cleaning nozzle 45 has a plurality of injection ports 46 and is rotatably disposed in the water reservoir 41 of the cleaning tank 40, and a heater 47 is disposed between the partition plate 11 and the cleaning nozzle 45. .

The bottom plate 16 of the lower case 15 is provided with a plurality of ventilation holes 17 communicating with the outside air, and a cleaning pump 18 is provided between the partition plate 11 and the bottom plate 16.
Reference numeral 19 denotes a water supply pipe which is connected to the discharge port of the cleaning pump 18 and supplies cleaning water to the cleaning nozzle 45. The distal end of the water supply pipe penetrates the partition plate 11 and is connected to the injection nozzle 45. 2
Reference numeral 0 denotes a water suction port of the cleaning pump 18, which is connected to a drain port 12 provided in the partition plate 11.

Numeral 21 denotes a blower provided on the rear side of the washing pump 18, the upper part of which is formed in a substantially inverted U-shape to prevent the inflow of washing water, and the tip of which is a water reservoir 41.
An opening 22 is provided at the bottom, and a plurality of ventilation holes 23 are provided at the bottom. Reference numeral 24 denotes a blower installed in the blower 21. Reference numeral 25 denotes an operation unit provided on the front side of the lower case 15.

Reference numeral 50 denotes a tableware basket supported by a rib (not shown) provided on the inner surface of the side wall of the upper case 2 and housed in the washing tank 40 so as to be able to be taken in and out. A cup is shown in FIG. 1). When the tableware basket 50 is stored at a predetermined position in the washing tank 40, a space 42 (hereinafter, referred to as a space) that is stored between the tableware basket 50 and the rear wall of the upper case 2 when the door 30 is opened. A door accommodating portion is formed.

Incidentally, as described above, the dish washer-dryer performs the washing pump 18 in the washing step and the rinsing step.
The cleaning water pumped out by the cleaning nozzle 45 is sprayed from the cleaning nozzle 45, collides with the tableware 51 and the like, and is cleaned.
Each part, especially the door 30 which is a movable part, is required to have a high degree of watertightness because the door 30 collides with the inner wall surface of the door 30 and scatters. Hereinafter, the watertight structure of the door 30 in the present embodiment will be described.

FIG. 4 is a cross-sectional view of the mounting structure of the door 30 to the upper case 2. In FIG. 4, reference numeral 0 denotes a rotation center portion 31 of the door 30, and the left side of FIG. The right side is outside. On both side walls of the inner plate 2b of the upper case 2, a rotation center 3
1 is provided with a circular concave portion 6, and a cylindrical fixed shaft 7 protruding inward is provided at the center thereof (hereinafter, the fixed shaft 7 has the same meaning as the rotation center portion 31). Sometimes used). A screw hole 8 that opens inward is provided at the center of the fixed shaft 7, and a screw insertion hole 9 that opens inward on one side of the screw hole 8.
And a hole 10 opening outward is provided concentrically.

On the inner surface plate 30b of the door 30, a first cylindrical portion 33 whose inner diameter is larger than the outer diameter of the fixed shaft 7 protrudes outward from the center of rotation 31. Further, a second cylindrical portion 34 which is shorter than the first cylindrical portion 33 is provided on the outer periphery thereof with a space 35 therebetween.
Reference numeral 36 denotes a cylindrical sealing member made of an elastic material and mounted in a space 35 formed between the first and second cylindrical portions 33 and 34.

Reference numeral 55 denotes a pressing member having a substantially concave cross-section disposed in a space formed between the fixed shaft 7 of the upper case 2 and the first cylindrical portion 33 of the door 2, and also serves as a spring receiver. An opening 56 to be fitted to the fixed shaft 7 is formed on the bottom, and a flange 57 is provided on the outer periphery on the opening side. Reference numeral 58 denotes a spring, such as a coil spring, interposed between the fixed shaft 7 of the upper case 2 and the holding member 55, and 59 denotes a recess formed at the center and a screw insertion hole provided, and the outer periphery is bent outward. It is a bent and substantially disk-shaped fixing hardware. Numeral 60 denotes a disk-shaped cover, on the inside of which is provided a columnar projection 61 having a screw hole 62 and fitted into the hole 10 provided in the fixed shaft 7 of the upper case 2, and an inner periphery on the outer periphery. Are provided with a locking claw 63 and a locking piece 64.

Next, an example of an assembling procedure of the above-described door mounting structure will be described. First, the outer plate 2 of the upper case 2
a, the columnar projection 61 of the cover 60 is inserted into the hole 10 of the fixed shaft 7 from the hole 9a provided in the outer plate 2a.
And, it is inserted and positioned in the holes 9c and 9d provided in the inner plate 2b, and the locking claw 63 is inserted into the hole 9b provided in the outer plate 2a and locked on the inner wall surface. Then, the screw 70 inserted into the screw insertion hole 9 provided in the fixed shaft 7 is
The cover 60 is fixed to the outside of the upper case 2 by screwing into the screw hole 62 provided in the first case 1.

Next, the first cylindrical portion 33 of the door 30 in which the sealing member 36 is mounted in the space 35 formed between the first and second cylindrical portions 33 and 34 is moved to the inside of the upper case 2. It fits along the inner wall of the circular recess 6 provided in the plate 2b. At this time,
The outer end surface of the seal member 36 contacts the inner wall surface of the inner plate 2b on the outer periphery of the circular recess 6. Next, the pressing member 55 is inserted into a space formed between the fixed shaft 7 of the inner plate 2b and the first cylindrical portion 33, and the flange 57 is locked to the inner surface plate 30b of the door 30.

Next, a spring 58 is inserted between the fixed shaft 7 and the holding member 55, and a fixed metal 59 is brought into contact with the inside of the fixed shaft 7 and the spring 58, and is inserted into a screw insertion hole provided in the fixed metal 59. The inserted screw 71 is screwed into the screw hole 8 of the fixed shaft 7 and fixed. Thereby, the pressing member 5 is pressed by the urging force of the spring 58.
5, the door 30 is pressed to the upper case 2 side, the sealing member 36 is brought into close contact with the inner wall surface of the inner plate 2b of the upper case 2, watertight between them, and the door 30 is rotatable. To support. At this time, the adhesive force of the seal member 36 can be adjusted by adjusting the tightening by the screw 71.

Next, a watertight structure between the upper case 2 and the door 30 will be described. Upper end of door 30 and center of rotation 3
5 and FIG. 6 (AA in FIG. 2)
As shown in the section, a seal member 37 made of an elastic material and having a lip 37a and a lip 37b slightly shorter than the lip 37a is attached between the outer plate 30a and the inner plate 30b. On the other hand, an inner wall surface near the front end of the inner plate 2b of the upper case 2 and near the front end of the side wall is formed in a concave shape by an inclined surface 2c that is inclined inward and forward.

As a result, when the door 30 is closed, as shown in FIGS.
Abuts against the inner wall surface on the front end side of the inner plate 2a of the upper case 2,
In addition, the lip 37a is pressed against the inclined surface 2c to be kept watertight. When the door 30 is rotated and opened in the direction of the arrow, as shown in FIGS. 5 and 6, the lips 37a and 37b can smoothly rotate without being interfered by the inner wall surface of the inner plate 2b. it can.

Next, the upper edge portion of the lower front surface of the upper case 2 and the upper edge portion of the side surface below the rotation center portion 31 (portion where the door 30 contacts-see the portion C in FIG. 3) are shown in FIG. A seal member 38 made of an elastic material is attached as shown in FIG. On the other hand, as shown in FIGS. 10 and 11 (a cross section taken along line BB in FIG. 2), the lower ends of the front and side surfaces of the inner surface plate 30b of the door 30 are formed by short pieces 30c and 30d with a short outside and a long inside. It is formed substantially in an H-shape, and a press contact portion (hereinafter, referred to as 30c) to the seal member 38 is formed by the outer short piece 30c.
Further, a seal guard portion (hereinafter, referred to as 30d) is formed by the inner long piece 30d. And the door 30
Is closed, the pressure contact portion 30c is pressed against the seal member 38 provided on the upper case 2 to keep it watertight, and the seal guard portion 30d is located inside the seal member 38 so that the seal member 3
8 is shielded to prevent the pressure of the cleaning water from being directly applied to the seal member 38.

Next, the operation of the present embodiment will be described. First, as shown in FIG. 12, the door 30 is rotated around the rotation center portion 31 while holding the handle 32, and the front surface, the upper surface, and a part of the side surface of the cleaning tank 40 are opened. At this time, most of the door 30 except the handle 32 is accommodated in the door accommodating portion 42 formed between the rear wall of the upper case 2 and the tableware basket 50.
For this reason, it is not necessary to provide a large dead space in the front unlike the prior art 1. In this state, tableware or the like 51 to be washed is stored in the tableware basket 50. At this time, since the washing tank 40 is partially open at the front surface, the upper surface, and the side surface, large tableware 51 can be easily accommodated in the tableware basket 50, and a cup or the like can be placed diagonally from above. 50 can also be accommodated. The state at this time is shown in FIG. If it is difficult to store the tableware 50 from the opening 5 due to the large tableware 50 or the like, the tableware basket 50 may be taken out from the cleaning tank 40 and the tableware 51 may be stored therein, and then stored in the cleaning tank 40 again.

When tableware 51 to be washed is stored in the tableware basket 50, the door 30 is turned by holding the handle 32, and the opening 5 is closed and locked. At this time, the rotation center 3
1, the connecting portion between the door 30 and the upper case 2, the overlapping portion between the door 30 and the upper case 2, and the abutting portion are seal members 36 and 3.
It is kept watertight by 7, 38 and sealed. FIGS. 1 and 2 show the state of the word.

In this state, a detergent is put into the washing tank 40,
The operation is started by operating the operation unit 25, and the cleaning process is executed. At the start of the operation, a water supply valve (shown in the figure) is operated, and the cleaning water is supplied into the cleaning tank 40 and stored in the water storage part 41. After a lapse of a predetermined time, the cleaning pump 18 is operated, and the cleaning water is sent to the cleaning nozzle 45 together with the detergent under pressure.
The washing water that has collided with the tableware 51 is reflected by the tableware 51 while removing dirt from the tableware 51, and collides again with the inner wall of the cleaning tank 40 and the inner surface of the door 30 at a reduced speed, and scatters and falls. Further, a part of the washing water sprayed from the spray nozzle 45 collides with the inner wall of the cleaning tank 40 or the inner surface of the door 30 directly without hitting the tableware 51 or the like, and scatters and falls.

Then, the dropped washing water collects in the water storage section 41, is filtered by the filter 13, is again fed to the washing nozzle 45 by the washing pump 18, and is ejected from the ejection port 46 to wash the tableware 51 and the like. As described above, in the cleaning process, the cleaning water collides with the inner wall surface in the cleaning tank 40 and scatters. However, since the door 30 is securely sealed as described above, the cleaning water leaks out of the machine. There is no. In the cleaning step, the heater 47 provided in the water storage section 41 is energized to heat the cleaning water to a set temperature.

When the cleaning process for a predetermined time is completed, the cleaning water containing the dirt washed off from the tableware 51 is discharged out of the apparatus by using the cleaning pump 18 as a driving source. At this time, a switching valve (not shown) for cleaning and drainage is provided in the circulation path of the cleaning water by the cleaning pump 18 and
At 5, the operation is switched.

When the drainage of the washing water is completed, the switching valve is switched to the washing step, the washing water is supplied again into the washing tank 40, and the washing water is jetted from the washing nozzle 45, so that the detergent and the residual vegetables are removed. The rinsing step is performed by colliding the tableware 51 with dirt and the like. Also in this case, similarly to the cleaning step, a part of the cleaning water sprayed from the cleaning nozzle 45 collides with the inner wall of the cleaning tank 40 and the inner surface of the door 30 and scatters. This rinsing step is repeated several times continuously, and when it is completed, the washing water is discharged outside the machine. At this time, the residue produced by the rinsing step is collected by the filter 13.

When the rinsing step is completed, a drying step of drying the tableware 51 is performed. In the drying step, the heater 47 is energized and the blower 24 of the air blower 21 is energized to blow outside air that has entered through the ventilation holes 17 and 23 into the cleaning tank 40 through the opening 22. Cleaning tank 4
The outside air sent into the chamber 0 is heated by the heater 47 to become hot air, and moves in the direction of the arrow in the washing tank 40 to dry the dishes 51 as shown in FIG. Through the exhaust port 4 to the outside of the machine.

In the present embodiment, the exhaust port 4 is provided in the upper portion of the main body 1 at the substantially central portion thereof and is opened forward, and the blower 21 is disposed at the lower rear portion inside the main body 1. The outside air sent from above flows from the lower rear part of the main body 1 to the front on the heater 47 and is heated, becomes warm air and rises along the inner surface of the arc-shaped door 30 from the lower front part, and from the upper front part to the upper rear part. So that the tableware and the like 51, the inner wall surface of the cleaning tank 4, the inner surface of the door 30, the partition plate 11, the cleaning nozzle 45, and the like can be efficiently dried. it can.

When the drying step is completed, the tableware and the like 51 may be left to cool down, and after cooling, the door 30 may be opened and the tableware or the like 51 may be taken out, or may be stored as it is.

Although the embodiments of the present invention have been described above, the present invention can be further configured as follows. In the above-described door 30, the outer plate 30a and the inner plate 30
b, a rubber sheet, a sound insulating material made of urethane home and the like, and a rubber or a vibration damping material made of a viscoelastic material such as asphalt, or both, are interposed, to clean Noise due to the collision of the water with the door can be shielded or vibration can be prevented.

In the above description, the door 30 is connected to the outer plate 3.
Although the case where a double structure is shown by the outer plate 0a and the inner surface plate 30b is shown, the door is constituted by one member, and the outer peripheral edge and the rear end of the side plate are attached to the mounting portion and the seal member. A pressure contact portion and a seal guard portion may be provided. further,
The structure and arrangement of the washing pump 18, the washing nozzle 45, the dish basket 50, and the like are not limited to the above-described embodiment, and the present invention can be implemented in dishwashers and dryers having other structures and arrangements.

[0045]

(1) In the dish dryer according to the present invention, the door is formed in a substantially U-shaped cross section in a fan shape in which the front surface is arc-shaped and both side surfaces converge rearward, and the opening of the washing tank is formed. When the door is opened, the door is housed in the washing tank, so the opening of the washing tank can be made large so that tableware can be easily taken in and out, and no dead space is required to open the door. , Can be installed in narrow places. In addition, 1
Since it is a single door, the structure, especially the seal structure, is simple.

(2) Since the door has a double structure with the outer plate and the inner plate, the strength can be increased, and the seal member can be easily mounted. (3) Since the sound insulating material and / or the vibration damping material are arranged between the outer surface plate and the inner surface plate of the door, the collision sound of the washing water is sounded and the vibration caused by the sound is eliminated. Can be suppressed.

(4) A door accommodating portion is provided between the rear wall of the washing tank and the tableware basket, and the door is accommodated in the door accommodating portion when the door is opened. No dead space is required. (5) Since the exhaust port is provided at the upper front end of the main body and the blower is provided below the rear part of the main body, the warm air spreads throughout the washing tank, and the drying capacity is improved.

(6) Since the rear ends of both side surfaces of the door are rotatably mounted on fixed shafts provided substantially at the center portions of the side walls of the main body on the opening side, the door can be smoothly opened and closed. It is possible,
In addition, the sealing structure becomes easy. (7) A door provided with a cylindrical seal member at the rear ends of both side surfaces is rotatably mounted on fixed shafts provided on both side walls of the main body,
Since the seal member is brought into close contact with the main body by the spring, the rotating portion of the door can be easily and reliably sealed.

(8) A seal member having a lip is attached to the upper end of the front of the door and to the side end above the rear end of both sides, and the inner surface and the fixed shaft of the main body near the front end of the top plate. Since the lip of the seal member is pressed against the inner surface near the tip of the upper side surface when the door is closed,
When the door is closed, the lip is in close contact with the inclined surface to securely seal, and when the door is opened, the lip can rotate smoothly without being interfered by the inner surface of the top plate.

(9) A seal member is attached to the lower end of the fixed shaft provided on the main body, and a pressure contact portion which is pressed against the rail member is provided at a position corresponding to the seal member of the door, so that the door is closed. Sometimes it can be reliably sealed. (10) Further, a seal guard portion longer than the pressure contact portion is provided inside the pressure contact portion, and the cleaning tank side of the seal member is shielded when the door is closed so that water pressure is not directly applied to the seal member. Deterioration of the member can be prevented.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of an embodiment of the present invention.

FIG. 2 is an external perspective view of FIG.

FIG. 3 is a perspective view showing a state where a door of FIG. 2 is opened.

FIG. 4 is a cross-sectional view showing a state where the door is attached to an upper case.

FIG. 5 is an explanatory diagram showing a sealing state between an upper part of a door and an upper case.

FIG. 6 is an explanatory diagram showing a sealing state between an upper part of a door and an upper case.

FIG. 7 is an operation explanatory view of FIG. 5;

FIG. 8 is an operation explanatory view of FIG. 6;

FIG. 9 is an explanatory diagram of a main part of an upper case.

FIG. 10 is an explanatory diagram showing a sealing state between a lower part of a door and an upper case.

FIG. 11 is an explanatory view showing a sealed state between a lower part of a door and an upper case.

FIG. 12 is a diagram illustrating the operation of the dishwasher according to the present invention.

FIG. 13 is an operation explanatory view of the dishwasher according to the present invention.

FIG. 14 is an explanatory diagram of an example of a conventional dishwasher / dryer.

FIG. 15 is an explanatory view of another example of the conventional dishwasher / dryer.

[Explanation of symbols]

1 Dishwasher body, 2 upper case, 2a upper case outer plate, 2b upper case inner plate, 4 exhaust port, 5
Opening, 7 fixed shaft, 11 partition plate, 15 lower case,
18 Cleaning pump, 21 Blower, 24 Blower, 25
Operation part, 30 doors, 30a Door outer plate, 30b Door inner plate, 30c Pressure contact part, 30d seal guard part, 3
1 center of rotation, 36, 37, 38 sealing member, 37
a, 37b lip, 40 cleaning tank, 45 cleaning nozzle, 47 heater, 50 tableware basket, 51 tableware, etc., 5
8 Spring.

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Katsuhiko Ishii 1728-1 Koeda, Hanazono-cho, Osato-gun, Saitama F-term in Mitsubishi Electric Home Equipment Co., Ltd. (Reference) 3B082 BA04 BB01 BB02 BB04 BE00

Claims (10)

[Claims] 1. A cleaning tank provided in a main body and having an opening on a front side, a cleaning nozzle installed in the cleaning tank to spray cleaning water, and a cleaning pump for pumping the cleaning water to the cleaning nozzle. A blower for sending outside air to the washing tank, and a tableware basket in which dishes and the like are stored and stored in the cleaning tank,
A dish opening / closing door for opening / closing an opening of the washing tank, wherein the door is formed in a substantially arc-shaped cross section in a fan shape in which a front surface is arc-shaped and both side surfaces converge rearward. Dryer. 2. The dishwasher / dryer according to claim 1, wherein the door has a double structure with an outer plate and an inner plate. 3. The dishwasher / dryer according to claim 2, wherein a sound insulating material and / or a vibration damping material are disposed between an outer surface plate and an inner surface plate of the door. 4. The dishwasher / dryer according to claim 1, wherein a door accommodating portion is provided between a rear wall of the washing tub and a tableware basket. 5. The dishwasher / dryer according to claim 1, wherein an exhaust port is provided at an upper front end of the main body, and a blower is provided below the rear of the main body. 6. The door according to claim 1, wherein rear ends of both sides of the door are rotatably mounted on a fixed shaft provided substantially at the center of each side wall of the main body on the side of the opening. The dishwasher / dryer according to any one of 3, 4, and 5. 7. A door provided with a cylindrical seal member at the rear end of both sides of the main body is rotatably mounted on a fixed shaft provided on both side walls of the main body, and the seal member is brought into close contact with the main body by a spring. 7. The dishwasher / dryer according to claim 6, wherein: 8. A seal member having a lip is attached to the upper end of the front surface of the door and to the side end of the upper side of the rear end of both sides, and the inner surface of the main body near the front end of the top plate and above the fixed shaft. 8. The dishwasher / dryer according to claim 6, wherein an inclined surface to which a lip of the seal member is pressed when the door is closed is provided on an inner surface near a front end portion of the side surface of the dishwasher. 9. A seal member is attached to an end portion below a fixed shaft provided on a main body, and a pressure contact portion pressed against the seal member is provided at a position of the door corresponding to the seal member. Item 9. A dishwasher / dryer according to any of items 6, 7 or 8. 10. The dishwasher / dryer according to claim 9, wherein a seal guard portion longer than the press contact portion is provided inside the press contact portion.