JP2000116987A - Detergent dissolving apparatus and washing machine with the same and static dissolver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dissolve detergent in waster completely. SOLUTION: Detergent input into a detergent input device 31 is flushed by service water supplied from a water supply course 32 or both water supplied from a bath water supply course 34. Water containing detergent that is flushed through the detergent input device 31 is flowed into a dividing and pulverizing device 40. The dividing and pulverizing device 40 passes detergent flushed from the detergent input device 31 downstream by small quantities. In that time, if detergent is not small enough, detergent is pulverized into a smaller particle size. Washing water flushed out of the dividing and pulverizing device 40 is supplied to a static dissolver 42, and passes through a zigzag water course formed inside the static dissolver 42. While passing through the water course, detergent is pulverized and mixed with water, so that detergent is completely dissolved in water.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detergent dissolving device for dissolving detergent in water, a washing machine having the same, and a stationary dissolving device.

[0002]

2. Description of the Related Art Conventionally, laundry containing washing water (hereinafter referred to as "washing water") and laundry are stored in a washing tub, and a pulsator arranged in the washing tub is rotated to wash the laundry and the laundry. A washing machine for washing laundry by stirring water is known. In such washing machines, powdery or granular laundry detergents are often used.

[0003]

However, when a powdery or granular laundry detergent is used, the detergent does not dissolve well in water depending on the timing at which the detergent is introduced into the washing tub, and therefore, the stains on the laundry become dirty. There was a risk of not falling enough. In other words, if the detergent is sufficiently dissolved in the water stored in the washing tub, and then the laundry is put in and the laundry is started, the detergent does not remain undissolved. Can be. On the other hand, if the laundry is first put into the washing tub, and then water and detergent are added and washing is started, the water and the detergent do not mix well. Detergent may not be soluble in water. The amount of detergent used for washing is properly determined according to the amount of laundry and water so that the laundry can be sufficiently cleaned. Can not be washed clean.

Accordingly, an object of the present invention is to provide a detergent dissolving apparatus capable of satisfactorily dissolving a detergent in water and a washing machine having the same. Another object of the present invention is to provide a stationary dissolving apparatus capable of satisfactorily dissolving a powder or a granular material such as a detergent in a fluid.

[0005]

Means for Solving the Problems and Effects of the Invention According to the first aspect of the present invention, there is provided a detergent dissolving apparatus for dissolving a detergent to be used for washing in water, comprising water and water. A detergent dissolving device characterized by including a stationary dissolving device in which a meandering water channel through which a detergent can flow is formed.

According to the present invention, the detergent and water to be used for washing are circulated through the meandering channel formed in the stationary dissolving apparatus, so that the detergent can be dissolved in the washing water without remaining undissolved. it can. The invention according to claim 2 further includes a distribution device provided upstream of the stationary dissolving device with respect to the flow direction of the water and the detergent, and for sending out the detergent little by little to the downstream side. A detergent dissolving apparatus according to claim 1.

According to the present invention, since the detergent to be used for washing is supplied little by little to the static dissolving device, the detergent can be dissolved well in water in the static dissolving device, and the detergent remains undissolved. The fear can be further eliminated. The invention according to claim 3 further includes a pulverizing device provided on the upstream side of the stationary dissolving device with respect to the flow direction of water and the detergent to reduce the particle size of the detergent. Or the detergent dissolving apparatus according to 2.

According to the present invention, the detergent to be used for washing is supplied to the stationary dissolving device after being finely pulverized by the pulverizing device. Therefore, the detergent having a large particle size does not flow into the static dissolving apparatus and the detergent does not clog the meandering water channel in the static dissolving apparatus. Further, since the particle size of the detergent supplied to the stationary dissolving device is reduced, the detergent can be rapidly dissolved in water.

The invention according to claim 4 further comprises a first bubble mixing means for mixing bubbles into water containing the detergent immediately before flowing into the stationary dissolving apparatus. A detergent dissolving device according to any one of the above. According to the present invention, by mixing bubbles into the water containing the detergent immediately before flowing into the static dissolving apparatus, the particle size of the detergent flowing into the static dissolving apparatus can be further reduced. Therefore, in the static dissolving device, the detergent can be more rapidly dissolved in water.

The invention according to claim 5 further comprises a second bubble mixing means for mixing bubbles into water containing the detergent immediately after flowing from the stationary dissolving apparatus. A detergent dissolving device according to any one of the above. According to the present invention, a small amount of undissolved detergent remains in the washing water flowing out of the static dissolving device due to the bubbles being mixed in the water containing the detergent immediately after flowing out of the static dissolving device. Even so, the undissolved residue of the detergent can be reliably dissolved. Therefore, the possibility that the detergent remains undissolved can be further eliminated.

According to a sixth aspect of the present invention, there is provided a washing machine having a washing tub capable of storing laundry and washing water, and washing the laundry with the washing water stored in the washing tub. A water supply means for supplying water to the washing tub, and the detergent dissolving device according to any one of claims 1 to 5 provided downstream of the water supply means in the washing water distribution direction. A washing machine characterized in that:

According to the present invention, since the detergent dissolving device according to any one of claims 1 to 5 is provided,
An appropriate amount of detergent according to the amount of laundry and water can be dissolved in water without leaving undissolved. therefore,
We can wash laundry neatly. The water supply means may include a tap water supply means for supplying tap water to the washing tub. Further, as described in claim 8, a storage water supply means for pumping water stored outside and supplying the pumped water to the washing tub may be included. In the case where the storage water supply means is included, for example, the bath water remaining in the bathtub can be used as washing water, and a washing machine excellent in economy can be provided.

According to a ninth aspect of the present invention, there is provided a stationary dissolving apparatus for dissolving a granular material into a fluid, comprising: an inlet unit having a first meandering water passage through which the fluid and the granular material can flow; The fluid and the granular material are provided downstream of the inlet unit with respect to the flow direction of the fluid and the granular material, so that the fluid and the granular material flowing out of the inlet unit can flow, and the fluid and the granular material flow from the first meandering channel. And a second meandering water channel having a small cross section in a direction perpendicular to the direction.

According to the present invention, first, the fluid and the granular material are circulated through the first meandering channel in the inlet unit, and the relatively large granular material is dissolved in the fluid to reduce the particle size.
Since the second meandering channel having a smaller cross-sectional area than the first meandering channel is circulated, it is possible to prevent the particles from being clogged in the second meandering channel, and to dissolve even the particles having a small particle size into the fluid. Can be.

According to a tenth aspect of the present invention, a meandering water passage through which fluid and granular material can flow is formed therein, and the meandering water passage passes through the meandering water channel to convert the granular material into a fluid in the process of flowing the fluid and the granular material. A static dissolving device capable of melting, wherein the meandering water channel is formed such that a cross section in a direction substantially orthogonal to the flow direction becomes smaller as going downstream in the flow direction of the fluid and the granular material. This is a static dissolving apparatus characterized by the following.

According to the present invention, since the cross section is relatively large near the entrance of the meandering channel, there is no possibility that the granular material is clogged near the entrance of the meandering channel. In addition, since the meandering channel becomes narrower toward the downstream side, powder particles flowing through the meandering channel dissolve in the fluid while flowing through the meandering channel, and the particle size decreases, and near the outlet of the meandering channel. It can be completely dissolved in the fluid.

[0017]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a sectional view schematically showing the configuration of a fully automatic washing machine according to one embodiment of the present invention. This fully automatic washing machine can use tap water and remaining water in the bath (bath water) as washing water.

This fully automatic washing machine includes a box-shaped housing 1 having an opening on the upper surface. A lid 2 for opening and closing an opening on the upper surface of the housing 1 is attached to the upper surface of the housing 1. An outer tub 3 for storing washing water is supported in the housing 1 by a suspension rod (not shown) with a spring, and the outer tub 3 can accommodate clothes to be washed. An inner tank 4 is provided rotatably.

Above the outer tub 3, a washing water supply unit 5 for supplying washing water used for washing to the inner tub 4 is provided. A tap water hose 6 and a bath water hose 7 are connected to the washing water supply unit 5. Tap water from a water supply system 8 is supplied through the tap water hose 6, and the bath water is supplied through the bath water hose 7. Water is being supplied. The washing water supply unit 5 dissolves a detergent in tap water supplied from a tap water hose 6 or bath water supplied from a bath water hose 7, and supplies tap water or bath water in which the detergent is dissolved from the water supply port 9 to the inner tank. 4 can be supplied. The washing water supplied to the inner tub 4 is stored in the outer tub 3 through a number of small holes formed in the inner tub 4.

At the bottom of the outer tub 3, there is formed a drain port 10 for discharging the washing water accumulated in the outer tub 3 to the outside of the housing 1. A drain pipe 11 extending outside the housing 1 is connected to the drain port 10. A drain valve 12 composed of, for example, an electromagnetic valve is provided in the middle of the drain pipe 11. Therefore, by closing the drain valve 12, the washing water supplied from the water supply port 9 can be accumulated in the outer tub 3. By opening the drain valve 12, the outer tub 3
The washing water stored in the inside can be drained through the drain pipe 11.

An air trap 1 is provided at one corner of the bottom of the outer tank 3.
3 are provided. The air trap 13 is connected to a water level sensor 14 provided above the housing 1 via an air hose 15. As the water level in the outer tub 3 rises, the washing water also enters the air hose 15 and the air in the air hose 15 is compressed. Conversely, when the washing water is drained from the outer tub 3, the air pressure in the air hose 15 decreases as the level of the washing water in the outer tub 3 decreases. The water level sensor 14 can detect the water level in the outer tub 3 based on such a change in the air pressure in the air hose 15.

The inner bath 4 also serves as a dewatering bath, and has a number of fine small holes (dewatering holes) formed on the peripheral surface thereof. At the bottom of the inner tub 4, a pulsator 16 for stirring the washing water to generate a water flow is provided. The inner tub 4 and the pulsator 16 are supported by an output shaft 18 of a bearing 17 provided below the outer tub 3 so as to be rotatable forward and backward.

A motor 19 for generating a driving force for rotating the inner tank 4 and the pulsator 16 and a transmission mechanism 20 for transmitting the rotating force of the motor 19 to the bearing 17 are provided below the outer tank 3. Provided. The transmission mechanism 20 includes a motor pulley 22 fixed to the output shaft 21 of the motor 19, a pulley 24 fixed to the lower end of the input shaft 23 of the bearing 17, a motor pulley 22, and a belt 25 wrapped around the pulley 24. It is included. Thus, the rotational force of the motor 19 is reduced by the motor pulley 22 and the belt 2.
5 to the pulley 24, and further to the bearing 17 via the input shaft 23.

The bearing 17 has a built-in clutch so that the inner tank 4 and the pulsator 16 can be driven individually, and the output shaft 18 of the bearing 17 is a double shaft. For example, during washing and rinsing, the driving force of the motor 19 is transmitted through the bearing 17 to the pulsator 16.
, The pulsator 16 rotates forward and backward, and a water flow is generated in the inner tank 4. At the time of spin-drying, the driving force of the motor 19 is transmitted to both the inner tub 4 and the pulsator 16, and both the inner tub 4 and the pulsator 16 are rotated in one direction at high speed, and the laundry in the inner tub 4 is dehydrated by centrifugal force. Is done.

FIG. 2 is an illustrative view for explaining a schematic configuration of the washing water supply section 5. The washing water supply unit 5 is provided with a detergent feeding device 31 into which a detergent used for washing by a user is fed. The other end of the tap water supply passage 32 having one end connected to the tap water hose 6 is connected to the detergent introduction device 31, and the tap water from the tap water hose 6 is supplied through the tap water supply passage 32. It can be introduced. A check valve 33 is provided near the connection between the tap water supply passage 32 and the detergent charging device 31 to prevent tap water flowing into the detergent charging device 31 from flowing back into the tap water supply channel 32. Is interposed.

The bath water flowing through the bath water hose 7 flows into the detergent charging device 31 through the bath water supply path 34. More specifically, this fully automatic washing machine has a bath water pump 3 for pumping bath water remaining in a bathtub (not shown) through a bath water hose 7.
5 are provided. A bath water hose 7 is connected to a suction port of the bath water pump 35, and a bath water supply path 34 is connected to a discharge port. Further, the bath water pump 35 is connected to one end of a priming water channel 36 for introducing priming water required for starting. The other end of the priming water channel 36 is connected to a water supply valve 37 interposed in the tap water supply channel 32. Water supply valve 37
The tap water supply valve 37 is switched to supply tap water flowing through the tap water supply path 32 to the detergent charging device 31 or to supply a bath water pump through the priming water path 36 as priming water. 35.

Further, near the connection between the bath water supply passage 34 and the detergent charging device 31, a check is made to prevent the bath water flowing into the detergent charging device 31 from flowing back into the bath water supply passage 34. A valve 38 is interposed. With the above configuration,
Tap water flowing through the tap water hose 6 is supplied to the tap water supply path 3
2 can be supplied to the detergent input device 31.
Further, the water supply valve 37 is switched so that the tap water supply
After the tap water flowing through the water is guided to the priming water channel 36 and the priming water necessary for starting the pump is supplied into the bath water pump 35, the bath water pump 35 is started and the water supply valve 37 is fully closed, whereby Bath water remaining in the bathtub can be supplied to the detergent charging device 31.

The detergent input device 31 has one
Detergent of an amount required for each washing is supplied in advance, and the detergent is flushed out by tap water flowing from the tap water supply path 32 or bath water flowing from the bath water supply path 34. The tap water or bath water (washing water) containing the detergent that has flowed out from the detergent charging device 31 in this manner is supplied to the first connection path 39.
Into the dispensing / grinding device 40 via The distributing / pulverizing device 40 feeds the detergent flowing out from the detergent input device 31 little by little toward the downstream side, and when the detergent is hardened, crushes the detergent mass to crush the detergent particle size. Smaller.

The washing water flowing out of the distribution / crushing device 40 is
It is supplied to the static melting device 42 via the second connection path 41. The static dissolving device 42 crushes the detergent contained in the washing water and mixes the detergent with water while the washing water flowing from the distributing / crushing device 40 passes through the meandering water channel formed therein. By repeating the mixing, the detergent can be dissolved in water. The detergent introduced by the user into the detergent introducing device 31 passes through the stationary dissolving device 42 and dissolves in water without remaining undissolved. The washing water in which the detergent is dissolved
The water is led to the water supply port 9 through the outflow channel 43, and supplied from the water supply port 9 toward the inner tank 4.

Further, the washing water supply section 5 is provided with a foam generator 44 for mixing fine bubbles into the washing water. The foam generator 44 includes a first foam supply pipe 45 branched and connected in the middle of the second connection path 41 and a second foam supply pipe 46 branched and connected in the middle of the outflow path 43. It is connected. The foam generating device 44 is composed of, for example, an air pump. The air bubbles generated by the foam generating device 44 are passed through a first foam supply pipe 45 to the stationary dissolving device 42.
Mixed into the washing water immediately before flowing into the washing machine. Thus, the particle size of the detergent flowing into the static dissolving device 42 can be further reduced, and the detergent can be more quickly dissolved in water in the static dissolving device 42. The bubbles generated by the foam generator 44 are mixed with the washing water flowing out of the stationary dissolving device 42 via the second foam supply pipe 46. Thus, even if a small amount of undissolved detergent remains in the washing water flowing out of the stationary dissolving device 42, the undissolved detergent can be reliably dissolved. Therefore, the possibility that the detergent remains undissolved can be further eliminated.

The member 47 interposed in the middle of the second connection path 41, for example, on the upstream side of the branch point between the second connection path 41 and the first foam supply pipe 45, This is a check valve for preventing the washing water from flowing from the back to the stationary dissolving device 42 from flowing back. In this embodiment,
Detergent dissolving device 48 for dissolving detergent to be used for washing in water is constituted by detergent input device 31, dispensing / crushing device 40, static dissolving device 42, foam generating device 44, and the like.

FIG. 3 is a sectional view showing an example of the configuration of the detergent feeding device 31. As shown in FIG. The detergent charging device 31 includes a charging container 51 capable of storing a detergent therein, and a dome-shaped lid 52 formed on the upper portion of the charging container 51 so as to be screwable. The charging container 51 is formed in a substantially cylindrical shape with a bottom, and a tap water supply path 32 and a bath water supply path 34 are connected to a lower portion thereof. Further, in the lower part of the charging container 51, for example, the detergent charging device 31 and the distributing / crushing device are located at positions facing the connection portions between the tap water supply channel 32 and the bath water supply channel 34 and the charging container 51. A first connection path 39 for communicating with the first connection path 40 is connected.

A male screw 53 is formed on the outer peripheral surface of the upper end of the charging container 51. On the other hand, the dome-shaped lid 52 has a cylindrical side portion 54, a hemispherical shell-shaped top surface portion 55, and a side portion 54.
And a flange-shaped connecting portion 56 that connects the upper end edge of the top surface portion 55 and the lower end edge of the top surface portion 55. On the inner peripheral surface of the side portion 54,
A female screw 57 that can be screwed to the male screw 53 is formed.
Further, on the lower surface of the connecting portion 56 (the surface facing the upper end edge of the charging container 51), the charging container 51 is screwed with the dome-shaped lid 52, and the gap between the charging container 51 and the dome-shaped lid 52 is formed. An O-ring 58 for sealing is attached.

The detergent used for washing is previously stored in the charging container 51.
, The water is automatically mixed into tap water or bath water just by starting the washing operation of the fully automatic washing machine. That is, the user removes the dome-shaped lid 52 screwed to the input container 51, opens the upper surface opening 51a of the input container 51, and adjusts the amount of laundry to be washed from the opened opening 51a. An amount of detergent is charged into the charging container 51. Then, the female screw 57 formed on the side portion 54 of the dome-shaped lid 52 is screwed into the male screw 53 formed on the charging container 51, and the dome-shaped lid 52 is screwed to the charging container 51. The washing operation of the fully automatic washing machine is started. Then, tap water or bath water flows from the tap water supply passage 32 or the bath water supply passage 34 into the charging container 51, and the detergent that has been charged into the charging container 51 is discharged by the flowed tap water or bath water. It flows out to one connection path 39. Thereby, automatic mixing of detergent into tap water or bath water is achieved.

FIG. 4 is a sectional view showing another example of the structure of the detergent feeding device 31. As shown in FIG. The detergent charging device 31 includes a charging container 61 capable of storing a detergent therein.
A tap water supply path 32 and a bath water supply path 34 are connected to a lower portion of the charging container 61. In addition, the charging container 61
For example, in the lower part of the detergent charging device 31 and the distributing / crushing device 4, at a position facing the connection portion between the tap water supply channel 32 and the bath water supply channel 34 and the charging container 61.
A first connection path 39 for communicating with 0 is connected.

An opening 61 formed on the upper surface of the charging container 61
In connection with a, an opening / closing lid 62 for opening and closing the opening 61a is attached. The opening / closing lid 62 is provided with the connecting pin 6.
3 is provided so as to be swingable about the center 3, and is tightly attached to a packing 64 provided on the peripheral edge of the upper end of the charging container 61.
a can be swung between a closed state in which a is closed and an open state in which the opening 61a is largely opened by rotating clockwise in the drawing from the closed state.

The opening / closing lid 62 is provided with a swinging piece 66 swingable about a shaft 65 parallel to the connecting pin 63. On the lower surface of the swinging piece 66, a claw 68 whose tip can be locked to a locking portion 67 formed at the upper end of the charging container 61 is provided so as to hang down. A coil spring 69 is provided between the lower surface of the swinging piece 66 and the peripheral edge 62 a of the opening / closing lid 62. The elasticity of the coil spring 69 causes the swinging piece 66 to rotate about the shaft 65. It is always biased counterclockwise in the figure.

With the above configuration, the user can open and close the lid 62.
To the open state, and the upper surface opening 61a of the charging container 61
Can be opened, and an amount of detergent corresponding to the amount of laundry to be washed can be put into the input container 61 through the opened opening 61a. Then, the opening / closing lid 62 is displaced to the closed state, and the swinging piece 66 is slightly rotated clockwise in FIG.
Is locked to the locking portion 67. As a result, the lower surface of the opening / closing lid 62 is attached to the packing 6
4, the space between the charging container 61 and the opening / closing lid 62 is sealed. Thereafter, when the washing operation of the fully automatic washing machine is started, tap water or bath water flows from the tap water supply passage 32 or the bath water supply passage 34 into the charging container 61, and the tap water or bath water flows into the charging container 61. Then, the detergent charged in the charging container 61 flows out to the first connection path 39.

In short, the detergent supply device 31 includes the tap water supply passage 32 or the bath water supply passage 34 and the first connection passage 3.
9 is not limited to the above-described two configurations, as long as it has a liquid-tight detergent accommodating chamber disposed (interposed) between the two. FIG. 5 is a cross-sectional view illustrating the configuration of the distribution / crushing device 40. The distribution / pulverization device 40 includes a distribution chamber 71 and a pulverization chamber 72 stacked in two stages. The distribution chamber 71 and the crushing chamber 72 are provided with distribution wings 73 for sending out the detergent flowing into the distribution chamber 71 little by little to the downstream side and crushing teeth 74 for crushing the detergent mass, respectively. I have.

The tip of the first connection path 39 is connected to the side wall of the distribution chamber 71 on the side of the distribution wing 73, and the washing water flowing out of the detergent charging device 31 is first supplied to the distribution chamber 71. It has become. In addition, the distribution blade 7 of the distribution chamber 71
The washing water in the distribution chamber 71 is provided on the side wall on the side of
One end of a communication path 75 for leading to the second 2 is connected, and the other end of the communication path 75 is connected to a side wall of the crushing chamber 72 on the side of the crushing teeth 74. Thus, the washing water supplied to the distribution chamber 71 is supplied to the crushing chamber 72 through the communication path 75, and further, the second connection path 41 connected to the side wall of the crushing tooth 74 of the crushing chamber 72. Through the static dissolution apparatus 4
2 is supplied.

The partition 7 separating the distribution chamber 71 and the crushing chamber 72
6, a support shaft 77 for supporting the distribution blade 73 and the crushing teeth 74 is inserted so as to be freely rotatable around the shaft. That is, both ends of the support shaft 77 protrude into the distribution chamber 71 and the pulverizing chamber 72, respectively.
Are mounted, and crushing teeth 74 are mounted on portions protruding into the crushing chamber 72.

As shown in a plan view in FIG. 6, the distribution blade 73 has a disk-shaped base portion 78 and a plurality of long blades 79a and short blades 79b provided on the base portion 78. ing. A support shaft 77 is inserted through the center of the base portion 78, and the base portion 78 is supported by being fixed to the support shaft 77. Plural long wings 79a and short wings 7
9b are each formed in a rib shape extending along the radial direction of the base portion 78, and are provided alternately radially from the center of the base portion 78.

With this configuration, when the washing water and the detergent flow into the distribution chamber 71 from the first connection path 39, the flowing washing water hits the long wings 79a and the short wings 79b, and the distribution wings 73 center on the support shaft 77. Rotate. Then, by the rotation of the distribution blade 73, the water and the detergent around the distribution blade 73 are scattered in the radial direction of the base 78 along the long blades 79a and the short blades 79b while being stirred. This allows
The detergent that has flowed into the distribution chamber 71 is sent out to the communication passage 75 little by little together with the water.

The crushing teeth 74 are provided with a cross plate 80 having four pieces 80a as shown in a plan view in FIG.
A support shaft 77 is inserted through the center of the cross plate 80,
The cross plate 80 is supported by being fixed to a support shaft 77. Further, a blade 81 for crushing a lump of the detergent is formed at the leading edge of each piece 80a of the cross plate 80 by, for example, bending the leading end of each piece 80a. Thus, when the distribution blade 73 is rotated by the washing water flowing into the distribution chamber 71, the crushing teeth 74 are rotated with the rotation of the distribution blade 73. Therefore, even if the detergent mass flows into the distribution chamber 71, the detergent mass is crushed by the rotation of the crushing teeth 74.

The shape of the distribution blade 73 is not limited to the above-mentioned shape as long as it is rotated by the passage of water, and various changes can be made. Also, the crushed teeth 74
The number of teeth is not limited to the above-mentioned number and shape as long as the teeth are rotated by the rotational force of the distribution blade 73, and various changes can be made. FIG. 8 shows a static dissolving apparatus 42.
It is sectional drawing which shows a structure of. The stationary melting device 42
Types of inlet unit 90 and outlet unit 100,
Each is configured using two.

The entrance unit 90 has two outer elements 91 and an inner element 92 provided in a space formed by the two outer elements 91. As shown in FIG. 9, the outer element 91 stands on a disk portion 93, a side wall portion 94 rising from the periphery of the disk portion 93, and a surface 93a on which the side wall portion 94 of the disk portion 93 is formed. And a partition wall 95 provided. The partition wall 95 is formed, for example, in a hexagonal lattice shape, and a large number of hexagonal chambers 96 are formed in a honeycomb shape on the surface 93 a of the disk portion 93 by the partition wall 95. In the center of the disk 93, a circulation hole 93b for allowing washing water to flow inside and outside the entrance unit 90 is formed.

The inner element 92 is
A small disk portion 97 formed smaller in diameter than the first disk portion 93
And a partition wall 98 erected on both sides 97a and 97b of the small disk portion 97. As shown in FIG. 10, the partition wall 98 is formed in, for example, a hexagonal lattice shape, and has substantially the same size as the hexagonal chamber 96 on almost both surfaces 97 a and 97 b of the disk portion 97 except for the vicinity of the center. A large number of hexagonal chambers 99 are formed in a honeycomb shape.

The inner element 92 is provided in a space formed by stacking two outer elements 91 such that the surfaces 93a of the respective disk portions 93 face each other. The other surface 97b faces the surface 93a of the outer element 91,
a. In this state, the hexagonal chamber 96 of the outer element 91 and the hexagonal chamber 99 of the inner element 92 face each other with a slight shift. That is, the hexagonal chamber 96 communicates with the plurality of hexagonal chambers 99,
The hexagonal chamber 99 communicates with a plurality of hexagonal chambers 96. Thereby, a hexagonal chamber 96 is provided between the outer element 91 and the inner element 92 in the entrance unit 90.
And a meandering water channel 90a alternately passing through the hexagonal chamber 99.

The outlet unit 100 includes an inlet unit 90
The inside of the meandering channel 9 is formed by a large number of hexagonal chambers 101, 102 smaller than the hexagonal chambers 96, 99 formed in the inlet unit 90.
A meandering channel 100a having a smaller cross-sectional area in a direction perpendicular to the washing water flow direction than 0a is formed. More specifically, the outlet unit 100 includes two outer elements 103 and one inner element 104. As shown in FIG. 11, the outer element 103 has a disk portion 105 and a side wall portion 106 rising from the periphery of the disk portion 105. A partition wall 107 having, for example, a hexagonal lattice shape is provided upright on a surface 105 a of the disk portion 105 on which the side wall portion 106 is formed.
07, a number of hexagonal chambers 101 are placed on the surface 105a.
Are formed in a honeycomb shape. Also, the disk part 10
At the center of 5, there is formed a circulation hole 105b through which the washing water flows inside and outside the outlet unit 100.

The inner element 104 has a small disk portion 108 having a smaller diameter than the disk portion 105 of the outer element 103, and both surfaces 108a, 108 of the small disk portion 108.
b. Compartment wall 1
12, for example, is formed in a hexagonal lattice shape, and the partition wall 109 allows the small disc portion 1 to be formed.
A large number of hexagonal chambers 102 having the same size as the hexagonal chamber 101 are formed in a honeycomb shape on both surfaces 108a and 108b of the 08. This inner element 104 is provided in a state sandwiched between the two outer elements 103,
Thereby, the outer element 103 and the inner element 1
A meandering water channel 100a that alternately passes through the hexagonal chamber 101 and the hexagonal chamber 102 is formed between the water passage 100a.

Referring again to FIG. 8, the two inlet units 90 are joined so that the flow holes 93b formed in each unit overlap each other. In addition, the two outlet units 100 are also provided with the respective communication holes 1 formed therein.
05b are joined so as to overlap each other. Then, the two inlet units 90 and the two outlet units 10 are arranged such that the flow hole 93b of the one inlet unit 90 and the flow hole 105b of the one outlet unit 100 overlap.
0, the stationary dissolving device 42
Is configured. The distal end of the second connection path 41 extending from the distribution / crushing device 40 is connected to the circulation hole 93b of the outer entrance unit 90, and the outer exit unit 100
The washing water is supplied to the water supply port 9 (see FIG. 1) through the circulation hole 105b.
An outflow passage 43 for leading the air to the outlet is connected.

According to the above configuration, the distribution / crushing device 40
First, the washing water flowing through the second connection path 41 flows into the outer entrance unit 90. The flowing washing water passes through a meandering water channel 90 a formed between one outer element 91 and the inner element 92, and passes through the small disc portion 9.
7 radiate toward the periphery. Then, it passes between the peripheral edge of the small disk portion 97 and the side wall portion 84 of the outer element 91, flows into the meandering channel 90a formed between the other outer element 91 and the inner element 92, and 90a to the flow hole 9 of the other outer element 91
Flow toward 3b. The washing water guided to the circulation holes 93b is supplied to the inner entrance unit 90 through the circulation holes 93b.
And the meandering channel 90 in the inner entrance unit 90
a. Thus, while flowing through the meandering channel 90a in the two inlet units 90, the washing water is supplied to the outer element 9
The detergent collides with the partition wall 95 of the first element, the partition wall 98 of the inner element 92, and the like, whereby the detergent gradually dissolves in water to reduce the particle size.

The meandering water channel 90 in the inner entrance unit 90
Next, the washing water that has flowed through a is supplied from the flow hole 93b to the flow hole 105b, and flows into the inner outlet unit 100. Then, the water flows through the meandering water channel 100a in the inner outlet unit 100, flows into the outer outlet unit 100, and further flows in the meandering water channel 1 in the outer outlet unit 100.
00a. Thus, two outlet units 100
While flowing through the meandering water channel 100a, the washing water collides with the partition wall 107 of the outer element 103, the partition wall 109 of the inner element 104, and the like, and is stirred.
The relatively small detergent passed through without dissolving 0 dissolves in water.
Thereby, all the detergents supplied to the detergent supply device 31 can be dissolved in water without remaining undissolved. In addition, since the detergent does not remain undissolved, the laundry can be washed neatly.

After the washing water is circulated through the meandering channel 90a of the inlet unit 90 and the relatively large detergent is dissolved in the water, the meandering channel 100a of the outlet unit 100 having a smaller cross-sectional area than the meandering channel 90a. Is distributed, there is no risk of clogging of large detergents in the meandering water channel 100a. Therefore, it is possible to dissolve even a detergent having a small particle diameter in water while preventing the detergent from being clogged in the meandering water channel 100a.

Further, in this embodiment, the distribution / pulverization device 40 is provided on the upstream side of the static dissolving device 42 in the washing water flow direction, and the detergent flowing into the static dissolving device 42 has a predetermined particle size. Has been reduced. Therefore, since the detergent having a large particle size does not flow into the stationary dissolving device 42, the meandering water channel 90 in the inlet unit 90 is not provided.
There is no risk of the detergent clogging a.

In the fully automatic washing machine, the detergent input device 31 is used.
The washing operation is not always started immediately after the detergent is put into the washing machine, but the washing operation is started after a preset time has elapsed since the detergent was put into the detergent feeding device 31, that is, a so-called reserved operation is performed. May be asked. When the reserved operation is performed, there is a possibility that the detergent in the detergent input device 31 may be hardened to contain the moisture in the air between the time when the detergent is input to the detergent input device 31 and the time when the washing operation is started. is there. When water is supplied into the detergent charging device 31 in this state, the water causes the detergent mass to be removed from the stationary dissolving device 4.
It is washed away toward 2. According to this embodiment, even in the case described above, since the detergent mass is finely pulverized by the distributing / pulverizing device 40, the clogging of the detergent in the meandering water passages 90a and 100a in the static dissolving device 42 may occur. Without dissolving the detergent in water.

Further, since the dispensing / pulverizing device 40 is provided, the detergent to be used for washing is supplied little by little to the stationary dissolving device 42. It can be melted, and the possibility that the detergent remains undissolved can be further eliminated. Further, in this embodiment, a bubble generator 44 for mixing fine bubbles into the washing water is provided, and the bubbles generated by the bubble generator 44
And the washing water immediately after flowing out of the stationary dissolving device 42.
Accordingly, the particle size of the detergent flowing into the static dissolving device 42 can be further reduced, and the detergent can be more quickly dissolved in the washing water in the static dissolving device 42. Further, even if a small amount of undissolved detergent remains in the wash water flowing out of the stationary dissolving device 42, the undissolved detergent can be reliably dissolved. therefore,
The possibility that the detergent remains undissolved can be further eliminated.

In this embodiment, the stationary dissolution apparatus 42 is constituted by two inlet units 90 and two outlet units 100. For example, one inlet unit 90 and one outlet unit are provided. The unit 100 may form a static dissolving device 42. Further, the stationary melting apparatus 42 may be constituted by two inlet units 90 and one outlet unit 100, or the stationary melting apparatus 42 may be constituted by one inlet unit 90 and two outlet units 100. May be configured. Further, the stationary dissolving apparatus 42 may be constituted by a larger number of inlet units 90 and outlet units 100.

FIG. 13 is a cross-sectional view showing the configuration of a stationary melting apparatus according to a second embodiment of the present invention, and FIG.
FIG. 14 is a cross-sectional view taken along a cutting line AA shown in FIG. 13. This static dissolving device 110 is to be used instead of the static dissolving device 42 according to the first embodiment described above. The static dissolving device 42 is configured using two types of units 90 and 100 having different meandering channels in cross-sectional area.
Is a meandering channel 1 whose cross-sectional area in the direction orthogonal to the direction of washing water flow is reduced as it proceeds downstream in the direction of washing water flow.
10a is composed of one unit formed inside.

The stationary melting device 110 has two outer elements 111 and the two outer elements 111.
And an inner element 112 provided in a space formed by the above. The outer element 111 has a disk portion 113 and a side wall portion 114 rising from the periphery of the disk portion 113. Side wall part 1 of disk part 113
A partition wall 115 is provided upright on the surface 113a on which the surface 14 is formed.
A large number of polygonal chambers 116 are formed in a honeycomb shape on a. Many polygonal chambers 116 are formed so as to become smaller from the center of the disk portion 113 toward the periphery. In the center of the disk portion 113, a flow hole 113b for flowing washing water inside and outside the stationary dissolving device 110 is formed.

The inner element 112 has a small disk 117 having a smaller diameter than the disk 113 of the outer element 111. Both sides 117 of this small disk portion 117
A partition wall 118 is provided upright at a and 117b, and a plurality of polygonal chambers 119 are partitioned and formed in a honeycomb shape on the surfaces 117a and 117b by the partition wall 118. The inner element 112 is provided so as to be sandwiched between the two outer elements 111, whereby a polygon chamber 116 and a polygon chamber 119 are formed between the outer element 111 and the inner element 112. A meandering water channel 110a that passes alternately is formed.

The flow hole 11 of one outer element 111
3b, a second connection path 4 extending from the distribution / crushing device 40 is provided.
1 is connected to the outlet hole 43b of the other outer element 111, and an outflow channel 43 for guiding the washing water to the water supply port 9 (see FIG. 1) is connected thereto. According to this configuration, the distribution / crushing device 40 is connected to the second connection path 4.
1 flows into one outer element 111
Through the meandering water channel 110 a formed between the inner disk 112 and the inner element 112, the light is radially diffused toward the periphery of the small disk portion 117. The meandering water channel 110a is
7 becomes thinner toward the periphery. Therefore, the detergent flowing in the meandering water channel 110a melts and decreases in particle size as it proceeds downstream. Then, the washing water that has reached the peripheral edge of the small disk portion 117 passes between the peripheral edge of the small disk portion 117 and the side wall portion 114 of the outer element 111, and the other outer element 111 and the inner element 1
12 and flows into the meandering water passage 110a formed between the outer element 111 and the meandering water passage 110a. During this time, the detergent having a reduced particle size completely dissolves in the washing water.

Therefore, the stationary dissolving apparatus 110 is also configured using the inlet unit 90 having the meandering water passage 90a having a relatively large cross-sectional area in the direction perpendicular to the washing water flow direction and the relatively small outlet unit 100. As in the case of the stationary dissolving device 42, it is possible to prevent the detergent from being clogged in the meandering water channel 110a and to obtain an effect that the detergent can be dissolved well in water.

The present invention is not limited to the above embodiment, but can be implemented in other forms. For example, in the above-described embodiment, the distribution / pulverization device having the distribution wings and the pulverization teeth is provided on the upstream side of the static dissolution device in the washing water flow direction. A distribution device having only the distribution wings and a pulverization device having only the pulverization teeth may be separately provided on the upstream side in the washing water distribution direction. Further, only one of the above-described distributing device or crushing device may be provided.

Although the distribution blade is rotated by the force of the washing water flowing into the distribution / crushing device, it may be forcibly rotated by a driving means such as an electric motor. For example, in a distribution device provided with only distribution blades, as shown in FIG.
The tip of the first connection path 39 is connected to the side wall facing the tip of the distribution chamber 71, and the side wall on the side of the distribution wing 73 of the distribution chamber 71 is for supplying the washing water in the distribution chamber 71 to the stationary dissolving device. Second
The connection path 41 may be connected. Then, it is preferable that the driving force of the electric motor 120 is given to the support shaft 77 that supports the distribution wings 73 to rotate the distribution wings 73. In this case, the water and the detergent flowing through the first connection path 39 are supplied to the vicinity of the center of the distribution blade 73, and the supplied water and the detergent scatter in the radial direction of the base portion 78 while being stirred. Thereby, the detergent that has flowed into the distribution chamber 71 is sent out to the second connection path 41 little by little. In FIG. 15, portions corresponding to the respective portions shown in FIG. 5 described above are denoted by the same reference numerals.

In the above-described embodiment, the distributing / pulverizing device is provided on the upstream side of the stationary dissolving device in the flow direction of the washing water, and the air bubbles generated by the bubble generating device immediately before flowing into the stationary dissolving device. And the washing water immediately after flowing out of the stationary dissolving apparatus. However, for example, the distribution / crushing device 4 in FIG.
0 and the foam generator 44 are omitted, and the detergent input device 3 is omitted.
The washing water flowing out of 1 may be configured to directly flow into the static dissolving device 42. Further, one of the first foam supply pipe 45 and the second foam supply pipe 46 in FIG. 2 is omitted, and the bubbles generated in the foam generator are washed with water just before flowing into the static dissolver or the static dissolver. May be configured to be mixed with one of the washing water immediately after flowing out of the washing water.

Further, in the above-described embodiment, the case where a granular detergent is used has been described as an example, but a liquid detergent may of course be used. When a liquid detergent is used, by passing the liquid detergent through a stationary dissolving device, the liquid detergent can be evenly mixed with water, so that the laundry can be uniformly cleaned.

Further, in the above-described embodiment, the case where the static dissolving apparatus according to the present invention is applied to a detergent melting apparatus is taken up. However, the static dissolving apparatus according to the present invention is applied to a powdery or granular material. Can be widely used as a device for dissolving the compound in a fluid. Further, in the above-described embodiment, a fully automatic washing machine having a bath water pump is described, but the present invention can be applied to a fully automatic washing machine without a bath water pump. Further, the present invention is not limited to a fully automatic washing machine, and can be applied to a two-tub washing machine in which a washing tub and a dehydration tub are separately provided.

In addition, various design changes can be made within the scope of the matters described in the claims.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a simplified configuration of a fully automatic washing machine according to an embodiment of the present invention.

FIG. 2 is an illustrative view for explaining a schematic configuration of a washing water supply unit;

FIG. 3 is a cross-sectional view illustrating a configuration example of a detergent introduction device.

FIG. 4 is a cross-sectional view showing another example of the configuration of the detergent introduction device.

FIG. 5 is a cross-sectional view showing a configuration of a distribution / crushing apparatus.

FIG. 6 is a plan view showing a configuration of a distribution blade.

FIG. 7 is a plan view showing a configuration of a crushing tooth.

FIG. 8 is a cross-sectional view illustrating a configuration of a stationary melting apparatus.

FIG. 9 is a plan view showing a configuration of an outer element of the entrance unit.

FIG. 10 is a plan view showing a configuration of an inner element of the entrance unit.

FIG. 11 is a plan view showing a configuration of an outer element of the outlet unit.

FIG. 12 is a plan view showing a configuration of an outer element of the outlet unit.

FIG. 13 is a cross-sectional view illustrating a configuration of a stationary melting apparatus according to another embodiment of the present invention.

FIG. 14 is a cross-sectional view taken along a cutting line AA shown in FIG.

FIG. 15 is a sectional view showing a configuration example of a distribution device in which distribution blades are driven by a motor.

[Explanation of symbols]

3 Outer tub (washing tub) 4 Inner tub (washing tub) 32 Tap water supply path (tap water supply means) 34 Bath water supply path (reserved water supply means) 35 Bath water pump (reserved water supply means) 37 Water supply valve ( Tap water supply means) 40 Distributor / pulverizer (distributor, pulverizer) 42 Stationary dissolving device 44 Foam generator (first air bubble mixing means, second air bubble mixing means) 45 Foam supply pipe (first air bubble mixing means) 46 foam supply pipe (second air bubble mixing means) 48 detergent dissolving device 90a meandering waterway (first meandering waterway) 90 inlet unit 100a meandering waterway (second meandering waterway) 100 outlet unit 110 stationary melting device 110a meandering waterway

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Seiwa Fujikawa 2-5-2-5 Keihanhondori, Moriguchi-shi, Osaka F-term in Sanyo Electric Co., Ltd. (reference) 3B155 AA01 AA17 AA21 BB08 BB19 CB06 CB14 CB42 FA02 FA04 FA07 FA14 FA36 FA38 GA01 GA28 GB03 GB05 GB07 GB10 MA01 MA02 MA09 4G035 AA19 AB44 AB46 AB52 AC04 AE13

Claims (10)

[Claims] 1. A detergent dissolving device for dissolving a detergent to be used for washing in water, comprising a stationary dissolving device in which a meandering water passage through which water and the detergent can flow is formed. Detergent melting device. 2. The apparatus according to claim 1, further comprising a distributor provided upstream of the stationary dissolving device with respect to the flow direction of the water and the detergent, for discharging the detergent little by little to the downstream. Detergent melting device. 3. A pulverizing device provided on the upstream side of the static dissolving device with respect to a flow direction of water and the detergent for reducing the particle size of the detergent. Detergent melting equipment. 4. The method according to claim 1, further comprising a first air bubble mixing means for mixing air bubbles into water containing the detergent immediately before flowing into the stationary dissolving apparatus. Detergent melting device. 5. The method according to claim 1, further comprising a second air bubble mixing means for mixing air bubbles into water containing the detergent immediately after flowing from the stationary dissolving apparatus. Detergent melting device. 6. A washing machine having a washing tub capable of storing laundry and washing water, and washing the laundry with the washing water stored in the washing tub. A water supply means for supplying water; a downstream side of the water supply means in a washing water distribution direction;
A washing machine comprising the detergent dissolving device according to any one of claims 1 to 5. 7. The washing machine according to claim 6, wherein said water supply means includes tap water supply means for supplying tap water to said washing tub. 8. The water supply means according to claim 6, wherein said water supply means includes a stored water supply means for pumping water stored outside and supplying the pumped water to said washing tub.
Or the washing machine according to 7. 9. A stationary dissolving apparatus for dissolving powders and granules into a fluid, comprising: an inlet unit formed therein with a first meandering water channel through which fluids and powders can flow; Is provided downstream of the inlet unit with respect to the flow direction of the fluid, and the fluid and the granular material flowing out from the inlet unit can flow therethrough, and the fluid and the granular material in the direction perpendicular to the flow direction than the first meandering water channel are provided. An outlet unit in which a second meandering water channel having a small cross section is formed. 10. A stationary type which has a meandering water passage through which fluids and particles can flow, and which can dissolve the particles in the fluid in the course of the fluid and the particles flowing through the meandering channel. The dissolving apparatus, wherein the meandering water channel is formed so that a cross section in a direction substantially perpendicular to the flow direction becomes smaller as going downstream in the flow direction of the fluid and the granular material. Mold melting equipment.