JP2002360982A - Washing machine, and washing and drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washing machine or a washing and drying machine with a convenient detergent dissolving device. SOLUTION: A high-concentration detergent solution generating and supplying means is provided with a detergent throw-in container, a detergent dissolution container, a detergent agitating blade arranged in the bottom of the detergent dissolving container, an agitating motor for driving the detergent agitating blade, and a water supplying solenoid valve for supplying the water to the detergent dissolution container. The detergent throw-in container is provided freely to be slid along an upper edge of the detergent dissolving container and to be drawn into a clothes throw-in port, and provided with a bottom plate to be closed in the drawing condition and to be opened in the pushing condition in the bottom part thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a washing machine and a washing / drying machine.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 7-80182 discloses that a high-concentration detergent solution is prepared, and the high-concentration detergent solution is sprinkled on laundry in a rotating washing and dewatering tub to wash the laundry. Have been. The publication states that after a high-concentration detergent solution is prepared in the detergent solution preparation section, once stored in an auxiliary tank, the auxiliary pump is driven to supply the high-concentration detergent solution in the auxiliary tank to the washing and dewatering tank. Has been described.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to provide a washing machine or a washer / dryer in which a user-friendly detergent dissolving apparatus can be installed.

[0004]

SUMMARY OF THE INVENTION The present invention is directed to a washing and dewatering tub having a stirring blade disposed at the bottom thereof, and a high-concentration washing and dehydrating tub in which a high-concentration detergent solution is dropped and soaked. In a washing machine provided with a detergent liquid generating / supplying means, the high-concentration detergent liquid generating / supplying means includes a detergent charging container, a detergent dissolving container, and a detergent stirring blade disposed at a bottom of the detergent dissolving container,
A stirring motor for driving the detergent stirring blade, and a water supply solenoid valve for supplying water to the detergent dissolving container, wherein the detergent dispensing container slides along an upper edge portion of the detergent dissolving container to slide the detergent dissolving container. And a bottom plate provided with a bottom plate which is closed when pulled out and opened when pushed in at the bottom.

[0005]

DETAILED DESCRIPTION OF THE INVENTION The invention according to claim 1 of the present invention is directed to a washing and dewatering tub having a stirring blade disposed at the bottom thereof, and a high-concentration detergent liquid being poured onto the laundry in the washing and dewatering tub. In a washing machine provided with a high-concentration detergent liquid generating / supplying means for submerging and soaking, the high-concentration detergent liquid generating / supplying means is provided at a bottom of the detergent dispensing container, the detergent dissolving container, and the detergent dissolving container. A detergent stirring blade, a stirring motor for driving the detergent stirring blade, and a water supply solenoid valve for supplying water to the detergent dissolving container,
The detergent dispensing container is slid along the upper edge of the detergent dissolving container and is installed so as to be able to be pulled out from the upper portion of the detergent dissolving container into the clothes dispensing opening. A washing machine having a bottom plate that opens in a state.

According to this configuration, it is possible to take out only the detergent charging container without putting out the entire detergent dissolving container and put the detergent on the container, so that it is easy to use.

According to a second aspect of the present invention, in the first aspect, the bottom plate has a cutout in an area located above the detergent dissolving container when the detergent dissolving container is pulled out. It is a washing machine.

According to this configuration, in addition to the effect of the first aspect, even if the bottom plate does not close in the pushed state, water is supplied from the water supply solenoid valve to the cutout portion.

According to a third aspect of the present invention, in any one of the first to third aspects, the high-concentration detergent liquid generating / supplying means is installed in a rear storage section provided on a top cover. A washing machine characterized by the following.

According to this configuration, in addition to the effects described in the first to third aspects, the high-concentration detergent liquid generating / supplying means can be compactly stored in the washing machine.

According to a fourth aspect of the present invention, there is provided a washing / drying machine according to any one of the first to third aspects, wherein a warm air circulating drying means is added to the washing machine. It is.

According to this configuration, in addition to the effects described in the first to third aspects, it is possible to provide a washing and drying machine capable of performing hot air circulation drying.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. The present invention relates to a washing machine and a washing / drying machine. However, since the washing machine can be implemented by removing the drying mechanism from the washing / drying machine, the embodiment described below relates to a washing / drying machine. explain.

FIG. 1 is a schematic view showing a vertical section of a washing and drying machine according to an embodiment of the present invention.

Reference numeral 1 denotes a rectangular cylindrical outer frame constituting an outer shell. Reference numeral 2 denotes a washing and dewatering tub, which has a small hole 2a for water and air ventilation on its peripheral wall, a fluid balancer 3 on its upper edge, and a rotatable stirring blade 4 inside the bottom. I do. The stirring blade 4 has a small hole 4a for water flow and ventilation.
Having. Reference numeral 5 denotes an outer tub that contains the washing and dewatering tub 2. A driving device 6 is attached to the outside of the bottom by a steel plate mounting base 7, and is fixed to four corners at the upper end of the outer frame 1. The outer tub 5 is evenly suspended from all sides by the anti-vibration support device 8 to support the outer tub 5 so as to be suspended from the center of the outer frame 1.

The drive unit 6 includes a drive motor, an electric operation clutch mechanism, and a planetary gear reduction mechanism.
The washing / dewatering tub 2 and the stirring blade 4 are integrally rotated by rotating the stirring blade 4 in a state in which the washing / drying is performed (the stirring mode), and rotating the washing / dewatering tub 2 and the stirring blade 4 in opposite directions (the washing mode). Has a selective drive function of rotating in the same direction (dehydration / drying mode).

The top cover 9 formed with the outer garment inlet 9a is fitted to the opening edge so as to cover the upper opening of the outer frame 1, and is attached to the outer frame 1 together with the front panel 10 and the back panel 11 by mounting screws.

A front panel box 12, which is a front storage section formed between the top cover 9 and the front panel 10, has a power switch 13, an operation panel 14 having input switches and display elements, and an outer tank. The control unit 16 includes a water level sensor 15 that generates a water level signal corresponding to the water level in the control unit 5. These constitute a control device.

A back panel box 17 which is a rear storage portion formed between the top cover 9 and the back panel 11
, A washing water supply means and a high-concentration detergent liquid producing / supplying means, which will be described later, are incorporated side by side.

The washing water supply means includes a water faucet connection port 1 on the water inlet side.
8 and a water supply side connected to a water inlet 19 by a main water supply solenoid valve 20.

The high-concentration detergent liquid producing / supplying means supplies the detergent dissolving water from the auxiliary water supply solenoid valve 22 to the detergent dissolving container 21, and agitates the powder synthetic detergent charged in the detergent dissolving container 21 while stirring. Dissolved in detergent-dissolved water to produce a high-concentration detergent solution, overflowed from the detergent dissolution vessel 21 while diluting with additional water supply, supplied to the water injection port 19, and supplied to the detergent dissolution vessel 21 with a finishing agent charging chamber ( (The details will be described later.)
It is configured to be supplied to.

The water inlet 19 penetrates the bottom of the top cover 9 and the rear part of the outer tub upper cover 28 of the outer tub 5 so that the washing and dewatering tub 2
Opening into the upper opening of. The water inlet 19 is provided between the bottom of the top cover 9 and the outer tank upper cover 28 by a flexible tube 1.
9a (see FIG. 3).

The hot air circulating drying means is formed so as to extend vertically upward along a rear outer wall surface of the outer tub 5 from a suction outlet 5a formed in a lower side wall of the outer tub 5, and A water-cooling dehumidifying duct 23 which is a dehumidifying air passage for blocking the washing water entering from the outlet 5a; and a cooling water sprinkler which is located at an upper part in the water-cooling dehumidifying duct 23 and supplies water to the duct. Part 24 and outer tub 5 in the washing operation
A descending air passage duct 25 which is a descending air passage portion which is folded at a position higher than the water level and extends vertically toward the lower side of the outer tub 5 along the outer wall surface of the outer tub 5; A circulating fan 26 arranged in the space on the side and sucking air from the descending air duct 25 into the suction port to generate circulating air;
A rising air duct 27, which is a rising air passage extending vertically upward along the outer wall surface of the outer tub 5 from the outlet of the circulation fan 26, and an outer tub upper cover attached to the upper end of the outer tub 5. A heater (PTC heater) 29 which is a heating means for heating the circulating air sent from the ascending air duct 27 and installed on the air circulation duct 27 is built in, and the heated circulating air is blown into the washing and dewatering tub 2. 30.

The water-cooled dehumidifying duct 2 constituting the circulation air passage
3, the downdraft duct 25 and the updraft duct 27
A part of the outer tub 5 is arranged on the outer wall surface on the rear side of the outer tub 5 in the circumferential direction, and a part of the outer tub 5 is formed integrally with the outer tub 5 and mounted. The back lid 1a covering the outside swells outward. Construct the shape and screw it.

Further, a humidity sensor 40 and a first temperature sensor 41 are installed in the lower portion of
The second temperature sensor 42 is installed in the air path between the downstream side of the heater 29. In order to accurately detect the humidity and temperature of the circulating air dewatered in the water-cooled dehumidification duct 23,
It is preferable that the humidity sensor 40 and the first temperature sensor 41 be brought into contact with each other after the water-cooled and dehumidified circulating air is well mixed and uniform, so that the humidity sensor 40 and the first temperature sensor 41 It is installed in the lower part of the downdraft duct 25 remote from the air conditioner or in the suction port casing 26 c of the circulation fan 26. Further, the humidity sensor 40 and the first temperature sensor 41 are connected to the back lid 1a for convenient maintenance work.
The installation position is such that it is exposed when it is removed.

Although not shown in the drawings, the turn-back portion from the water-cooled dehumidifying duct 23 to the descending air duct 25 is provided with lint collecting means described later.

The outer garment inlet 9a formed in the top cover 9 is hinged 31a so as to open in two (mountain fold).
The inner garment insertion opening 28a formed in the outer tub upper cover 28 attached to the upper end of the outer tub 5 is covered with a hinge 32.
As shown in FIG. 2A, the inner cover 32 attached to the outer tank upper cover 28 is configured to be openably and closably covered.

A drain port 5 b formed at the bottom of the outer tank 5 is connected to a drain hose 34 via a drain solenoid valve 33. The air trap 5c is connected to the water level sensor 15 via an air tube 35. A base 37 made of a synthetic resin having legs 36 attached to four corners is attached to the lower edge of the outer frame 1.

Reference numeral 38 denotes the laundry put into the washing / dewatering tub 2.

FIG. 2 is a block diagram showing an electric system of the washing and drying machine.

The control unit 16, which receives power via the power switch 13, is constituted mainly by a microcomputer 16a, and includes a power supply circuit 16b, a driving device 6, a main water supply solenoid valve 20, auxiliary water supply solenoid valves 22, 22a and a detergent. A drive circuit 16c having a semiconductor AC switching element (FLS) group for controlling power supply to the stirring motor 39, the drain electromagnetic valve 33, the circulation fan 26, the heater 29, and the cooling water spray electromagnetic valve 24a is provided.

The drive motor 61 of the drive device 6 has a stator winding 61a and a rotation sensor 61b, and the electric operation clutch mechanism 62 has an electric operation machine 62a and a position sensor 62c for detecting an operation position.

The drive circuit 16c controls the power supply to the stator winding 61a of the drive motor 61 in the drive device 6 by two semiconductor AC switching elements (FLS) 16c1 and 16c2 for forward / reverse rotation control. Is provided. FLS16c1 is a semiconductor switching element for forward rotation power supply control, and FLS16c2 is a semiconductor AC switching element for reverse rotation power supply control. In this embodiment, the rotational speed of the drive motor 61 is controlled by controlling the phase of the stator winding 61a by the FLSs 16c1 and 16c2. However, an inverter-driven brushless motor is used. The configuration is such that it is performed by PWM control or PAM control. FL for controlling the power supply of the electric operation clutch mechanism 62 of the driving device 6 to the electric operation device 62a.
S16c3 is provided.

The drive circuit 16c includes the main water supply solenoid valve 2
0, auxiliary water supply solenoid valves 22, 22a, detergent stirring motor 3
9. FLS 16c for controlling power supply to the drain solenoid valve 33, the circulation fan 26, the heater 29, and the cooling sprinkling solenoid valve 24aa
4 to 16c11. Then, the driving circuit 16c
Is determined according to an instruction from the microcomputer 16a.
The power supply to the subordinate load is controlled by controlling the conduction state of the LS 16c1 to the FLS 16c11.

The microcomputer 16a further includes a rotation sensor 61b of the drive motor 61, a position sensor 62c of the electric operation clutch mechanism 62, a water level sensor 15 for detecting a washing water level in the outer tub 5, a humidity sensor 40, By connecting to the second temperature sensors 41 and 42, the unbalance detection sensor 43, and the operation panel 14 and executing a control processing program incorporated in advance, the input switch group 14a of the operation panel 14, the water level sensor 15, and the rotation sensor 61b By taking in signals from the position sensor 62c, the humidity sensor 39, the first and second temperature sensors 41 and 42, and the unbalance detection sensor 43 and controlling the drive circuit 16c, detection, high-concentration detergent liquid generation, and laundry Performs wet, high-concentration detergent solution production / supply (immersion), washing, rinsing, dehydration, and hot-air drying operations. Display element groups of the operation panel 14 14
The progress is displayed by controlling b. Here, the unbalance detection sensor 43 is connected to the washing and dewatering tub 2.
Is a sensor for detecting that the washing and dewatering tub 2 (outer tub 5) swings more than a predetermined value due to the imbalance in the distribution of the laundry 38 in the washing and dewatering tub 2 when is rotated.

In this washer / dryer, the power switch 13 is turned on, the outer lid 31 and the inner lid 32 are opened, the laundry 38 is put into the washing / dewatering tub 2, and the outer lid 31 and the inner lid 32 are closed. When the washing start switch on the operation panel 14 is turned on, the control unit 16 detects the amount of cloth by operating the driving device 6 and rotating the agitating blades 4 with the washing and dewatering tub 2 stationary, thereby detecting the amount of washing water. And a corresponding amount of detergent is determined, and the display element group 14b of the operation panel 14 is controlled so as to display the determined amount.

Then, when the outer lid 31 is opened, a corresponding amount of the powdered synthetic detergent and the finishing agent are put into the detergent dissolving vessel 21 and when the outer lid 31 is closed, the auxiliary water supply electromagnetic valve 22 is opened to open the powdered synthetic detergent. A suitable amount of tap water (detergent dissolving water) is supplied to the detergent dissolving container 21 to dissolve the powdery synthetic detergent, and the high-concentration detergent solution is dissolved by operating the detergent stirring motor 39 while stirring. Generate.

During this time, the main water supply solenoid valve 20 is opened and water is supplied by controlling the driving device 6 to slowly rotate the washing and dewatering tub 2 and the stirring blade 4 to rotate the laundry 38, thereby supplying tap water. The laundry 38 is evenly lowered and wetted. At this time, the amount of water supply is controlled so that the laundry 38 is stopped to such an extent that the laundry 38 can be uniformly wetted.

Next, the auxiliary water supply solenoid valve 22 is opened to supply additional water to the detergent dissolving vessel 21 to overflow the high-concentration detergent solution in the detergent dissolving vessel 21 and supply it to the water inlet 19 and to supply the main water. By opening the solenoid valve 20 and supplying the water to the water inlet 19, the high-concentration detergent solution is supplied to the desired detergent concentration (5 to 5).
(The range of 30 times) and control so as to fall on the laundry 38. At this time, the washing and dewatering tub 2 and the stirring blade 4 are integrally and slowly rotated so that the high-concentration detergent liquid uniformly falls on the laundry 38 and is uniformly immersed in the laundry 38. The stirring blade 4 with the dewatering tub 2 stationary
The drive device 6 is controlled so as to rotate or agitate the laundry 38 by rotating.

As described above, when a high-concentration detergent solution formed by dissolving a powdery synthetic detergent in water and further diluted to a concentration of 5 to 30 times is soaked in the laundry 38, the chemical detergency of the detergent component is increased. It acts efficiently on the stains on the laundry 38 to increase the detergency.

After the high-concentration detergent liquid is immersed in the laundry 38, the main water supply solenoid valve 20 and the auxiliary water supply solenoid valve 22 are controlled to open so that the washing water is supplied to a predetermined water level. The drive device 6 is controlled so that the dehydration tub 2 and the stirring blade 4 are rotated forward and backward in opposite directions to perform a washing operation in which a mechanical force is applied to the laundry 38.

After the washing operation is completed, the drainage solenoid valve 33 is controlled so as to drain the washing water out of the machine, and the washing and dewatering tub 2 and the stirring blade 4 are integrally rotated at a high speed to wash the washing water. The driving device 6 is controlled so as to perform intermediate dehydration for centrifugal dehydration. After the completion of the intermediate dehydration, the drainage electromagnetic valve 33 is controlled to close, the main water supply electromagnetic valve 20 is controlled so as to supply water to a predetermined rinsing water level, and the washing and dewatering tub 2 and the stirring blade 4 are further controlled. The driving device 6 is controlled so as to perform a rinsing operation in which the laundry is rotated in the forward and reverse directions by applying a mechanical force to the laundry 38. This rinsing operation is performed multiple times as necessary,
At the time of water supply in the last rinsing, the auxiliary water supply electromagnetic valve 22a is opened to supply the finishing agent.

After the rinsing operation is completed, the drain solenoid valve 33 is controlled to open so as to drain the rinsing water out of the machine. After draining, the washing and dewatering tub 2 and the stirring blade 4 are integrally rotated at a high speed. The driving device 6 is controlled so as to perform final dehydration in which rinsing water is centrifugally dehydrated.

The driving device 6 is configured to rotate the washing / dewatering tub 2 and the stirring blade 4 integrally or in opposite directions so that the laundry 38 thus washed and centrifugally dehydrated is dried in the washing / dewatering tub 2. And the humid air in the outer tub 5 and the washing and dewatering tub 3 is sucked out from the suction port 5a to be blown out.
The operation of the circulation fan 26 is controlled so as to generate circulating air blown into the washing and dewatering tub 2 from above, and the sprinkling electromagnetic valve 24 a of the cooling water sprinkling section 24 is controlled so that the circulating air is water-cooled in the water-cooling and dehumidifying duct 23. Then, a hot air drying operation for controlling the heater 29 so as to heat the air blown into the washing and dewatering tub 2 is executed. This hot air drying operation is controlled by the humidity sensor 4.
0, while monitoring the detection signals of the first temperature sensor 41 and the second temperature sensor 42, and ending when a desired degree of dryness is obtained.

FIGS. 3 to 8 show a concrete structure of the above-mentioned washing and drying machine. FIG. 3 is a vertical sectional side view of the washing and drying machine, and FIG. Rear view of a washer / dryer showing a road section, FIG. 5 is a bottom view showing a part of the washer / dryer cut away, and FIG. 6 is a top view of the washer / dryer showing an outer tub and a circulation air path part with an upper cover removed. FIG. 7 is a longitudinal side view of the lint collecting portion, FIG. 8 is a top view showing the relationship between the outer frame and the outer tub, and FIG. 9 is an exploded view of the outer tub upper cover. A part of the description overlapping with the description of FIG. 1 is omitted.

The rotary drive 6 is a reversible drive motor 6
1, electric operation clutch mechanism 62 and sun gear reduction mechanism 63
And a central output shaft 64 to which the washing and dewatering tub 2 are connected. The sun gear reduction mechanism 63 includes a carrier that supports the sun gear directly connected to the drive motor 61, the internal gear and the planetary gear directly connected to the outer output shaft 65, and is directly connected to the center output shaft 64. Then, by controlling the electric operation clutch mechanism 62 to the stirring mode, the inner gear (the outer output shaft 65) of the sun gear reduction mechanism 63 is controlled.
The rotation of the drive motor 61 is reduced through the sun gear, the planetary gears and the carrier and transmitted to the center output shaft 64 to rotate the stirring blade 4 in the normal and reverse directions in a state in which the stirrer 4 is rotated. By controlling the electric operation clutch mechanism 62 to the washing mode, the internal gear of the sun gear reduction mechanism 63 (connected to the outer output shaft 65 and the washing and dewatering tub 2) is set in a free rotation state, and the rotational force of the driving motor 61 is set. Is reduced via the sun gear, the planetary gears and the carrier and transmitted to the central output shaft 64, thereby rotating the stirring blade 4 in the forward and reverse directions, and transmitting the reaction force acting on the internal gear to the outer output shaft 65 to perform the washing. By rotating the dewatering tank 2 in the direction opposite to the stirring blade 4 and controlling the electric operation clutch mechanism 62 to the dehydration / drying mode, the sun gear and the internal gear of the sun gear reduction mechanism 63 are driven by the drive motor 6.
1 to directly connect the rotational force of the drive motor 61 to the central output shaft 6.
4 and the washing / dewatering tub 2 and the stirring blade 4 via the outer output shaft 65
To rotate them integrally.

The vertical portion of the water-cooling and dehumidifying duct 23 in the circulation air passage extends along the outer tank 2 so as to be located at the last part of the cylindrical outer tank 5, that is, a part close to the back lid 1 a of the outer frame 1. The outer tub 2 is formed integrally with the side wall so as to be continuous from the peripheral edge of the suction port 5a on the side wall of the outer tub 2. The water-cooled dehumidifying duct 23 is formed in a rectangular air path cross-sectional shape having a reduced depth and a wider width so as to be suitable for being disposed in a narrow space between the outer tub 2 and the rear lid 1a. The water-cooling and dehumidifying duct 23 having such a wide and substantially rectangular air path cross-sectional shape is
Since the wall surface is widened and the circulating air cooling wall surface is increased, it is suitable for cooling and dehumidifying the circulating air.

The vertical portion of the downdraft duct 25 is formed integrally with the side wall of the outer tub 5 so as to be adjacent to the water-cooling dehumidification duct 23 and to be a common side wall with the water-cooling dehumidification duct 23. This position is separated from the back lid 1a by the curvature of the outer tub 5, so that the cross-sectional shape of the air path is formed to have a substantially square shape with an increased depth and a reduced width, thereby suppressing the expansion of the horizontal width of the circulation air path. The configuration is as follows.

The vertical portion of the rising air duct 27 is located next to the water-cooling and dehumidifying duct 23 on the opposite side.
3 is formed by integral molding on the side wall of the outer tub 5 so as to form a common side wall. This position is separated from the back lid 1a by the curvature of the outer tub 5, so that the cross-sectional shape of the air path is formed to have a substantially square shape with an increased depth and a reduced width, thereby suppressing the expansion of the horizontal width of the circulation air path. The configuration is as follows.

The outer surfaces of the ducts 23, 25, and 27 integrally formed on the rear side wall of the outer tub 5 along the rear side wall of the outer tub 5 correspond to the rear side lid 1a constituting the rear side wall of the outer frame 1. It is formed in a substantially linear shape so as to face the inside of the bulging portion at a predetermined interval. The outer tub 5 is uniformly suspended from four sides by four anti-vibration supporting devices 8 locked to reinforcing members 1b connected to the four corners at the upper end of the outer frame 1. It is supported so as to be suspended at the center of the frame 1.

The upper turning member 44 for connecting the vertical portion of the water-cooled dehumidifying duct 23 and the upper end of the descending air duct 25 is
The lint filter 45 constituting the lint collecting means is stored so as to be obliquely insertable into and removable from the upper side of the inner lid 32 by projecting from the upper surface of the outer tank upper cover 28 attached to the upper end of the outer tank 5.

Further, the blowing port 30 communicated with the upper end of the vertical portion of the rising air duct 27 is provided with the outer tank upper cover 28.
A heater 29 is built in, and a heated circulating air is blown into the washing and dewatering tub 2 in a direction opposite to the rotation direction of the washing and dewatering tub 2. The cover 28 is made to penetrate and is opened facing the opening of the washing and dewatering tub 2. The heater 29 employs a PTC heater,
It is installed diagonally so that the ventilation path is inclined in the up and down direction.
By reducing the height of 0, the increase of the height of the aircraft is suppressed.

The outer tank upper cover 28 has a two-layer structure in which a lower resin molding member 28b and an upper metal plate (stainless steel plate) 28c are superimposed, and the blowing port 30 and the upper folding member 44 are provided as necessary. Is integrally molded with the resin molded member 28b. The metal plate 28c functions as a reinforcing and heat-resistant member.

The circulation fan 26 includes a centrifugal impeller 26a, a drive motor 26b for rotating the centrifugal impeller 26a, an inlet casing 26c surrounding the centrifugal impeller 26a, and an outlet casing 26d. By being mounted on the lower side, the drive unit 6 is arranged in a space formed below the outer tank 5 in the outer frame 1 so as to be located on the rear side. The inlet casing 26c has a drain outlet 26e, and is connected to the lower end of the descending air duct 25. The outlet casing 26 d is connected to the lower end of the rising air duct 27.

In the circulating fan 26 thus configured, the outer tub 5 is located above the centrifugal impeller 26a and the driving motor 26b, the driving device 6 is located in the front, and the casing 2 is located in the rear.
6c and 26d and the air ducts 25 and 27 are located, so that the sound generated by the centrifugal impeller 26a and the drive motor 26b is blocked (suppressed) by these, so that noise in the drying operation is reduced. Become.

FIGS. 10 and 11 are views for explaining a method of integrally forming the outer tub 5 and the ducts 23, 25, and 27. FIG. FIG. 11 is a perspective view showing each of the ducts 23, 25, and 27 together with a forming die. FIG.
It is a rear view which shows a part and 5 and 27 with a shaping die.

The outer tank 5 and the vertical portions of the ducts 23, 25, 27 are integrally formed of a synthetic resin. A molding die for molding the outer tub 5 includes a cylindrical surface inner mold 46b having a molding surface for molding the inner peripheral surface and the inner surface of the bottom of the outer tub 5 and a retractable core 45a for molding the suction port 5a. The outer peripheral surface 47a-47d divided into four parts in the circumferential direction for forming the outer surface of the outer tub 5 and the outer surfaces of the ducts 23, 25, 27, the outer surface of the bottom of the outer tub 5 and the ducts 23, 25, 27 A tank bottom mold 47e for molding the lower end and three duct inner molds 48a, 48b and 48c for molding the inner peripheral surfaces of the ducts 23, 25 and 27 are used.

The injection molding machine has a tank inner mold 46b, a tank outer mold 47a-47d, and a duct inner mold 4 based on the tank bottom mold 47e.
Assemble and disassemble the molding die by combining 8a to 48c
(Type assignment). The tank inner mold 46b moves vertically from the upper side, the tank outer dies 47a-46d move horizontally from the four sides, and the duct inner molds 48a-48c move vertically from the upper side. Since the upper and lower ends of the ducts 25 and 27 are opened, the lower ends of the duct inner dies 48b and 18c are positioned by fitting into the concave portions 47e2 and 47e3 of the tank bottom die 47e. Since the duct 23 has a configuration in which the lower end portion is continuously formed integrally with the peripheral portion of the suction port 5a of the outer tank 5, the inside of the duct is formed so as to form a small embossed hole 23a in the bottom wall portion of the duct 23. The projection 48a1 provided on the mold 48a is fitted into the recess 47e1 of the tank bottom mold 47 and positioned. The embossed hole 23a formed by the projection 48a1 is then sealed with a plug or the like in a watertight state.

Injection molding using a mold having such a structure is as follows.
Outer tub 5 and duct 2 by relatively small injection molding machine
3, 25, 27 can be integrally formed.

Next, means for producing and supplying a high concentration detergent solution will be described.

FIG. 12 is a vertical sectional side view showing the relationship between the detergent dissolving container 21 and the detergent stirring motor 39. The high-concentration detergent liquid producing / supplying means is provided in such a state that the detergent dissolving container 21 and the detergent stirring motor 39 are horizontally arranged on the metal base plate 49 in a horizontal direction.

The detergent dissolving vessel 21 has a storage section 21u into which the detergent is charged, and a detergent stirring blade 50 provided at the bottom of the storage section.
The stirring blade drive shaft 51 connected to the detergent stirring blade 50 vertically penetrates through the bottom wall 21a of the detergent dissolving vessel 21 and the metal base plate 49 so that the metal base plate 49
, And a timing belt driven pulley 52 is fitted to the derived portion. The detergent stirring motor 39, which is a driving means of the detergent stirring blade 50, is provided with the metal base plate 49 so that the rotation output shaft 39a passes through the metal base plate 49 in a vertical state and is led out to the lower side of the metal base plate 49. And the timing belt drive pulley 53 is fitted to the lead-out portion. The driven pulley 52 and the driving pulley 53 are linked by a timing belt 54.

The metal base plate 49 is provided with the stirring blade drive shaft 5.
A bearing cylinder portion 49a for fitting the bearing 55 supporting the bearing 1 is outwardly protruded, and an annular detergent melting container fitting convex portion 49b is protruded concentrically on the inside thereof. On the bottom wall 21a of the detergent dissolving container 21, a cylindrical portion 21b fitted on the outer periphery of the detergent dissolving container fitting convex portion 49b is erected inward so as to be sunk into the lower concave portion of the detergent stirring blade 50. The cylindrical portion 21b is fixed to the metal base plate 49 by the set screw 56 in a state where the cylindrical portion 21b is fitted and positioned on the outer periphery of the detergent dissolving container fitting convex portion 49b. The stirring blade drive shaft 51 supported by the bearing 55 penetrates through the cylindrical portion 21b and is led out to the inside of the detergent dissolving vessel 21, and the detergent stirring blade 50 is fitted to the lead-out portion. A shaft seal member 57 is housed between the inside of the cylindrical portion 21b and the stirring blade drive shaft 51. The detergent stirring blade 50
A concave portion 51b that forms a cylindrical inner wall surface 51a surrounding the cylindrical portion 21b below the detergent agitating blade 50 by extending downward in a radial direction so as to face the outer periphery of the cylindrical portion 21b and to extend downward. To form A detergent seal member 58 fitted on the outer periphery of the cylindrical portion 21b is interposed between the cylindrical portion 21b and the cylindrical inner wall surface 51a.

The metal base plate 49 is further provided with a fitting hole 49c for fitting the outer periphery of the bearing cylinder 39b of the detergent stirring motor 39.
The bearing cylinder 39b is fitted and positioned in the fitting hole 49c in a state where the vibration isolating member 59 is fitted to the bearing cylinder 39b of the detergent stirring motor 39, and the bearing cylinder 39c on the opposite side of the detergent stirring motor 39 is provided. A vibration isolating member 70 is fitted on the metal base plate 49 and is fixed to the metal base plate 49 with a set screw 72 so as to surround the periphery thereof.
9 is attached so as to be sandwiched between the vibration isolating members 59 and 70.

As described above, the configuration in which the detergent dissolving container 21 and the detergent stirring drive motor 39 are installed side by side makes it possible to reduce the height of the back panel box 17 and suppress the increase in the height of the body. Further, since the stirring blade drive shaft 51 and the rotation output shaft 39a of the detergent stirring motor 39 are accurately positioned by the bearing cylinder 49a and the fitting hole 49c formed on the metal base plate 49, the rotation driving force by the timing belt 54 is provided. Transmission becomes smooth and quiet operation is possible. Further, the concave portion 50b that forms the cylindrical inner wall surface 50a below the detergent stirring blade 50 so as to surround the cylindrical portion 21b of the detergent dissolving container 21 forms an air reservoir partitioned by the detergent seal member 58. , A high-concentration detergent solution generated by dissolving a powdered synthetic detergent invades the shaft seal member 57 and the bearing 5.
5 functions to prevent damage.

A further specific configuration of the detergent dissolving container 21 including the detergent charging container will be described with reference to FIGS. 13 is a perspective view of a detergent dissolving container, FIG. 14 is a front view thereof, FIG. 15 is a top view thereof, FIG. 16 is a left side view thereof, FIG. 17 is a right side view thereof, and FIG. 18 is a detergent dissolving container and a main water supply solenoid valve. 19 to 22 are vertical side views of a detergent dissolving container on which a detergent charging container is placed, and FIG. 23 is a diagram illustrating a detergent with the outer lid opened. FIG. 24 is a perspective view of the top cover showing a state where the charging container is pulled out, and FIG. 24 is a perspective view of the top cover showing a state where the detergent charging container is pushed in.

The detergent dissolving container 21 is a substantially rectangular container capable of mounting the detergent charging container 73 so that the detergent dispensing container 73 can be moved forward and backward by opening the upper part thereof.
c, a finishing agent charging chamber 21d such as a softener, a washing water supply channel 21e, and an overflow channel 21f connected to the washing water supply channel 21e.

The detergent dissolving chamber 21c is provided with a water receiving port 21g for receiving water from an auxiliary water supply electromagnetic valve 22, which is a water supplying means (first water supplying means) for supplying water to the storage section 21u, and water and detergent entering from the water receiving port 21g. Are stirred by the detergent agitating blades 50 to generate a detergent solution, and the high-concentration detergent solution is diluted by further water supply from the auxiliary water supply solenoid valve 22 of the first water supply means to increase the amount of overflow. An overflow edge 21h, which is an overflow portion for overflowing the laundry 21f and supplying it to the laundry, is provided on the upper portion of the storage portion 21u, and a rib 21i for suppressing rotation of the detergent-dissolving water (high-concentration detergent solution) at the time of stirring; The diluted high-concentration detergent solution is placed in the detergent dissolution chamber 2
1c, a siphon water flow mechanism 21j, which is a siphon means flowing out from the bottom of the washing water supply channel 21e, a guide rail 21k for guiding the advance / retreat of the detergent container 73 described later, and a fixing for turning the bottom cover of the detergent container 73. Gear 21
m.

The volume of the detergent dissolving chamber 21c is set to a small amount necessary for dissolving the powdered synthetic detergent, for example, 200 to 30 in consideration of installation in the back panel box 17.
With 0 cc of tap water, e.g.
The size is set to be suitable for generating a density of 0 to 300 times. Here, the detergent concentration means, for example, in washing using 60 L of washing water, the detergent solution obtained by dissolving the powder detergent in 6 L of water has a detergent concentration of 10 times.

The finishing agent supply chamber 21d serving as the finishing agent supply means
Has an overflow edge 21n connected to the overflow channel 21f, a siphon water passage mechanism 21p connected to the washing water supply channel 21e, and a water receiving port 21q from the auxiliary water supply solenoid valve 22a. The volume is increased by dilution by receiving water from the water port 21q, and the overflow channel 21
The water overflows to 1f, and flows out from the siphon water passage mechanism 21p to the washing water supply channel 21e.

The washing water supply passage 21e is provided with a main water supply solenoid valve 20 as a water supply means (second water supply means) for supplying water to the laundry.
Water supply port 21r for receiving water from the nozzle, and a first supply flow path for supplying the detergent and water generated by stirring the detergent and water in the storage unit 21u with the detergent stirring blade 50 from the overflow unit to the laundry. And a second supply flow path for supplying the laundry from the siphon water flow mechanism 21j to the laundry, the detergent liquid from the first supply flow path and the detergent liquid from the second supply flow path. Are mixed in the mixing chamber 21v. Further, water from the second water supply means is also mixed in the mixing chamber 21v. The mixing chamber 21v is provided in the detergent dissolving container 21. In addition, overflow channel 2
The 1n and the finishing agent flowing out of the siphon water passage mechanism 21p are combined and mixed in the mixing chamber 21v to form a flow path flowing out from the outlet 21s to the water inlet 19.

The detergent charging container 73 is provided with the detergent dissolving container 2.
1 is a flat rectangular box-like body that advances and retreats along the guide rail 21k and has an open upper side. As shown in FIG. 23, the detergent charging section 73a, the finishing agent charging section 73b, and the handle section 73c are formed. Prepare.

The detergent introduction part 73a is provided so as to advance and retreat above the detergent dissolution chamber 21c of the detergent dissolution container 21, and has a bottom plate 73d which turns so as to open and close the bottom of the rear half area. As shown in FIG. 19, the bottom plate 73d is rotatably supported by a support shaft provided with a gear 73e at the shaft end. When the bottom plate 73d is pushed inward, the gear 73e engages with the gear 21m and is attached to the lower surface of the front half region. 20 and 21 in the process of being pulled out to the near side while turning down until the horizontal state is turned upside down until the bottom half area of the detergent introduction section 73a is fully opened. Then, as shown in FIG. 22, it is pushed by the opening edge of the top cover 9 or the edge of the detergent dissolving container 21 so as to close the bottom. However, the bottom plate 73d is a short plate that opens the rear end portion of the detergent introduction part 73a to a position above the detergent dissolution chamber 21c even when the bottom plate 73d is turned to close the bottom.

The finishing agent charging section 73b is connected to the detergent dissolving container 21.
Located above and below the finishing agent charging chamber 21d,
In the pulled-out state, the inner bottom located above the finishing agent introduction chamber 21d is opened.

The handle 73c is located on the front side of the detergent container 73, and functions as a gripping portion that is exposed on the inner wall surface of the outer garment inlet 9a formed in the top cover 9 and is operated to advance and retreat. I do.

The high-concentration detergent liquid generating / supplying means configured as described above grasps the handle 73c and pulls out the detergent supply container 73 into the outer clothes input port 9a. In the detergent charging container 73 in the pulled-out state, the detergent charging portion 73a has the front side portion opened upward in the outer clothing input port 9a, the bottom plate 73d is closed, and the rear end portion is located in the detergent melting chamber 21c of the detergent melting container 21. It is opened above. Therefore, when a predetermined amount of powdered synthetic detergent is introduced into the detergent introduction section 73a, a part of the powder synthetic detergent falls into the detergent dissolving chamber 21c from the opening at the back end portion, and a part of the bottom plate 73
d. When the finishing agent is charged into the finishing agent charging section 73d, the finishing agent flows down to the finishing agent charging chamber 21d.

Then, when the detergent input container 73 is pushed in,
The bottom plate 73d of the detergent introduction part 73a is separated from the edge of the detergent dissolving container 21 and hangs down to drop the remaining powdery synthetic detergent into the detergent dissolving chamber 21c.
Then, e is engaged with the gear 21m and turned upside down along the lower surface of the front half region to rotate until it is horizontal.

In this state, the auxiliary water supply electromagnetic valve 22 is opened so that the auxiliary water supply electromagnetic valve 22 does not overflow from the overflow edge 21h and the siphon water passage mechanism 21 does not overflow.
j does not allow water to flow (conduction) (200-300c
The detergent dissolving water of c) is supplied to the detergent dissolving chamber 21c, and the detergent agitating blades 50 are rotated by the detergent agitating motor 39 to dissolve the powdery synthetic detergent to obtain a high concentration (200% of the detergent concentration of the washing water).
~ 300 times) detergent solution.

Thereafter, the auxiliary water supply electromagnetic valve 22 is opened to perform additional water supply, thereby diluting and increasing the amount of water.
The water overflows from 1h, and the siphon water flow mechanism 21j starts water flow (conduction) and flows out to the washing water supply flow path 21e. At the same time, the main water supply solenoid valve 20 is opened to supply water to the washing water supply passage 21e to further dilute the high-concentration detergent solution and to settle the detergent concentration suitable for immersion in the laundry (washing water). (5 to 30 times the detergent concentration), and flows out from the outlet 21s to the water inlet 19.

Further, the subsequent supply of the washing water is performed while the detergent dissolving container 21 is being washed by opening the main water supply solenoid valve 20 and the auxiliary water supply solenoid valve 22 until the water level reaches a predetermined level.

In the washing / drying machine constructed as described above, since the water-cooled dehumidifying duct 23 and the air ducts 25 and 27 are formed integrally with the outer tub 5, the circulation air duct is formed rationally. can do.

Since the water-cooling dehumidifying duct 23 is integrally formed continuously from the peripheral portion of the suction port 5a at the lower part of the outer tub 5 so as to open upward, the upper end thereof is easily formed into a watertight structure. be able to.

Further, by arranging the circulation fan 26 in the space below the outer tub 5, an increase in the height of the washing and drying machine can be reduced.

Further, the water supply solenoid valves 20, 22, 22a and the detergent dissolving container 21 are installed in the back panel box 17 of the top cover 9 attached to the upper end of the outer frame 1 so as to connect with the air inlet 30 for the circulation air passage. By installing the lint collecting filter 45 on the outer tub upper cover 28 attached to the upper end of the outer tub 5, the outer lid 31 is opened so that the lint collecting filter 45 and the detergent charging container 73 are moved outward. Clothing input 9
Since it can be operated from the inside of a, a washing and drying machine which is easy to operate can be provided.

Further, the water-cooled dehumidifying duct 23 and the air duct 2
5 and 27 are formed integrally with the outer tub 5 on the rear side of the outer tub 5 so as to be covered by the rear lid 1a which swells outwardly of the outer frame 1. Increase in size can be suppressed.

Further, since the outer tub 5 is configured to be suspended from the four corners at the upper end of the outer frame 1 by the anti-vibration support device 8, the outer tub 5 can be supported in a well-balanced manner.

The detergent dissolving container 21 is formed in a small size (small volume) so as to dissolve at a higher concentration than the high-concentration detergent solution which descends on the laundry 38 and is immersed therein. Is soaked in the laundry 38 while diluting it to an appropriate detergent concentration for immersion, so that the detergent can be dissolved well, and furthermore, it is installed in the back panel box 17 formed in the top cover 9. It is easier to do. Further, the siphon water passage mechanism 21j can flow out most of the detergent liquid in the detergent dissolution container 21.

Further, since the detergent agitating motor 39 for rotating the detergent agitating blades 50 for agitating the detergent is arranged side by side with respect to the detergent dissolving vessel 21, the height can be reduced. Moreover, since the detergent dissolving container 21 and the detergent stirring motor 39 are positioned on the metal base plate 49, they can be driven quietly by accurate belt connection.

Further, the bearing 55 and the shaft seal member 57 of the stirring blade drive shaft 51 for driving the detergent stirring blade 50 are provided between the cylindrical portion 21 b erected on the bottom wall 21 a of the detergent dissolving vessel 21 and the detergent stirring blade 50. An air pocket is formed by the concave portion 50b formed on the side to prevent entry of the high-concentration detergent solution, and damage due to additives (particularly zeolite) contained in the powdery synthetic detergent can be reduced.

Further, since the detergent is supplied via the detergent container 73 which is placed on the detergent dissolving container 21 so as to be able to advance and retreat and drawn out to the clothes inlet 9a, the detergent can be easily supplied.

[0091]

According to the present invention, it is possible to provide a washing machine or a washing / drying machine in which an easy-to-use detergent dissolving device can be installed.

[Brief description of the drawings]

FIG. 1 is a schematic view showing an embodiment of a washing and drying machine according to the present invention.

FIG. 2 is a block diagram showing an electric system of the washing and drying machine shown in FIG.

FIG. 3 is a vertical sectional side view showing a specific configuration of the washing / drying machine according to the present invention.

FIG. 4 is a rear view of the washing and drying machine shown in FIG.

FIG. 5 is a bottom view of the washing and drying machine shown in FIG. 3 with a part cut away.

FIG. 6 is a top view showing the outer tub and the circulating air passage with the top cover of the washing and drying machine shown in FIG. 3 removed.

7 is a vertical sectional side view of the lint collecting unit in FIG. 6;

FIG. 8 is a top view showing a relationship between an outer frame and an outer tub of the washing and drying machine shown in FIG. 3;

FIG. 9 is an exploded view of the outer tub upper cover of the washing and drying machine shown in FIG. 3;

FIG. 10 is a perspective view showing an integrally formed outer tub and respective ducts of the washing and drying machine shown in FIG. 3 together with forming dies.

11 is a rear view showing the outer tub and each duct integrally formed with the washing and drying machine shown in FIG. 3 with a molding die partially cut away.

12 is a vertical sectional side view showing a relationship between a detergent dissolving container and a detergent stirring motor of the washing and drying machine shown in FIG. 3;

FIG. 13 is a perspective view showing the detergent dissolving container shown in FIG. 12 more specifically.

14 is a front view of the detergent dissolving container shown in FIG.

15 is a top view of the detergent dissolving container shown in FIG.

FIG. 16 is a left side view of the detergent dissolving container shown in FIG.

17 is a right side view of the detergent dissolving container shown in FIG.

18 is a perspective view showing a top cover on which the detergent dissolving container, the main water supply solenoid valve and the auxiliary water supply solenoid valve of the washing and drying machine shown in FIG. 3 are mounted, with a back panel opened.

19 is a vertical sectional side view showing a state where the detergent charging container mounted on the detergent dissolving container of the washing and drying machine shown in FIG. 3 is pushed in.

20 is a vertical sectional side view showing a state where the detergent charging container mounted on the detergent dissolving container of the washing and drying machine shown in FIG. 3 is slightly pulled out.

21 is a vertical sectional side view showing a state in which the detergent charging container mounted on the detergent dissolving container of the washing and drying machine shown in FIG. 3 is further pulled out.

FIG. 22 is a vertical sectional side view of the washing and drying machine shown in FIG. 3 in a state where the detergent charging container mounted on the detergent dissolving container is further pulled out.

FIG. 23 is a perspective view of a top cover showing a state where an outer lid of the washing and drying machine shown in FIG. 3 is opened and a detergent charging container is drawn out.

24 is a perspective view of a top cover showing a state where an outer lid of the washing and drying machine shown in FIG. 3 is opened and a detergent charging container is pushed in. FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Outer frame, 1a ... Back side lid, 1b ... Reinforcement member, 2 ... Washing and dehydration, 4 ... Stirring blade, 5 ... Outer tub, 5a ... Suction outlet, 6 ... Drive device, 8 ... Anti-vibration support device, 9 ... Top cover, 9a: Outer garment inlet, 17: Back panel box, 19: Water inlet, 20: Main water supply solenoid valve, 21: Detergent dissolving container, 21
b: cylindrical part, 21c: detergent dissolving chamber, 21h: overflow edge, 2
1j: siphon water passage mechanism, 22, 22a: auxiliary water supply solenoid valve, 23: water-cooled dehumidifying duct, 24: cooling sprinkler, 25
... downdraft duct, 26 ... circulation fan, 27 ... updraft duct, 28 ... outer tank upper cover, 28a ... inner clothing inlet, 29 ... heater, 30 ... blow-in port, 31 ... outer lid, 32 ...
Inner lid, 39 ... detergent stirring motor, 40 ... humidity sensor, 41
.., A first temperature sensor, 42, a second temperature sensor, 44, an upper folded member, 45, a lint collecting filter, 49, a metal base plate, 50, a detergent stirring blade, 50 b, a concave portion, 57, a shaft seal member, 58 ... detergent seal member, 73 ... detergent charging container, 7
3a: detergent input section, 73d: bottom plate.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Toshiyasu Kamano 1-1-1, Higashitaga-cho, Hitachi City, Ibaraki Prefecture Inside Hitachi Taga Electronics Co., Ltd. (72) Inventor Isao Hiyama 1-chome, Higashitaga-machi, Hitachi City, Ibaraki Prefecture No. 1-1 Hitachi Taga Electronics Co., Ltd. (72) Inventor Toshifumi Koike 502 Kandate-cho, Tsuchiura-shi, Ibaraki F-term in Machinery Research Laboratory, Hitachi, Ltd. F-term (reference) 3B155 AA16 AA21 BB02 BB18 CB07 FA04 GA28 GB03 GB10 HB05 HB09 JA01 MA02 MA08

Claims (4)

[Claims] A washing and dewatering tub having a stirring blade disposed at a bottom thereof;
In a washing machine provided with a high-concentration detergent liquid generating / supplying means for descending and sinking a high-concentration detergent liquid on the laundry in the washing / dehydrating tub, the high-concentration detergent liquid generating / supplying means includes a detergent charging container When,
A detergent dissolving container, a detergent stirring blade disposed at the bottom of the detergent dissolving container, and a stirring motor that drives the detergent stirring blade;
A water supply solenoid valve for supplying water to the detergent dissolving container, wherein the detergent dispensing container is installed so as to slide along an upper edge portion of the detergent dissolving container and to be drawn out from an upper portion of the detergent dissolving container into a clothing inlet. The washing machine further comprises a bottom plate which is closed when pulled out and opened when pushed in. 2. The washing machine according to claim 1, wherein the bottom plate has a cut-out region located above the detergent dissolving container when the detergent dissolving container is pulled out. 3. The washing machine according to claim 1, wherein the high-concentration detergent liquid generating / supplying means is installed in a rear storage section provided on a top cover. 4. A washing and drying machine according to any one of claims 1 to 3, wherein a warm air circulation drying means is added to the washing machine.