JPH1024190A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To disperse or dissolve a reducing agent in tap water or washing liquid of a preset prescribed amount, remove the reducing agent and free chlorine completely and quickly by an oxidation reduction reaction, prevent the discoloration and fading of a colored pattern (dye), yellowing of silk and oxidation of various types of organic textile surface treatment material due to the oxidation of free chlorine contained in tap water, and improve operability in a washing machine where free chlorine contained in water supplied to a washing tub or washing liquid can be removed. SOLUTION: A reducing agent 14 which reduces free chlorine contained in water is made of a molding, powder or a composite of them, the reducing agent 14 is held to a reducing agent holding section 15 in a detachable manner, water treatment equipment 16 covered by a lid 17 is arranged upward from a washing and dehydrating tube 23, and water from a water supply valve 20 is supplied to the washing and dehydrating tub 23 through the water treatment equipment 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine capable of removing free chlorine contained in water or washing liquid supplied to a washing tub.

[0002]

2. Description of the Related Art Conventionally, techniques for removing free chlorine from tap water supplied to a washing machine are disclosed in JP-A-2-136170, JP-A-6-154474, and JP-A-6-238.
No. 092 is known.

[0003] As shown in FIG. 6, an internal hose 3 is connected to a water supply valve 2 to which a water supply hose 1 is connected, and a water supply path switching unit is connected to the internal hose 3 as shown in FIG. 4 and a cartridge (not shown) filled with a free chlorine removing material by the water supply path switching unit 4.
The tap water from which free chlorine has been removed can be supplied from the water supply port 6 into the water tank through the free chlorine removing device 5 having a built-in.

As disclosed in Japanese Patent Application Laid-Open No. 6-154474, a water supply hose 1 is connected to a double water supply valve 7 as shown in FIG. 8 is connected to a free chlorine removing device 10 having a built-in cartridge 9 filled therein.
Tap water that has entered through the free chlorine removal material 8 and the outlet 1
2 and tap water from which free chlorine has been removed can be supplied from the water supply port 6 into the water tank.

[0005] Further, as disclosed in JP-A-6-238092, as shown in FIG. 8, a water supply path for supplying water through an internal hose 3 connected to a water supply valve 2 is filled with a free chlorine removing material 8. A filter case 13a for accommodating the cartridge 13 is detachably attached in a drawer shape,
When the filter case 13a is mounted, tap water from which free chlorine has been removed is supplied into the water tank.

[0006]

Problems to be Solved by the Invention
No. 0, Japanese Patent Application Laid-Open No. 6-154474, all the water is filled by completely switching the water supply path in order to supply tap water from which free chlorine has been removed into the water tank. It is necessary to pass water through the free chlorine remover and to apply water pressure to pass through the densely packed free chlorine remover.

Further, in a cartridge system using a reducing agent, a reducing agent obtained by granulating powdered calcium sulfite having a reducing action as a main component and ethyl cellulose or the like which is hardly soluble in water as a binder is used. Had been used. As a result, the principle of the reaction mechanism was that free chlorine contacted and reacted with the surface of the calcium sulfite granular material.

[0008] Further, in the structure filled with the granular material, a portion that easily passes through water and a portion that does not easily pass through are likely to be generated, and when used in a state where water pressure is applied, the portion that easily passes through water is more than other portions. Consumed to react with the free chlorine of
A short path was generated while leaving a large amount of the active ingredient, and free chlorine began to leak, resulting in a long life.

[0009] In the cartridge using activated carbon, the flow rate is reduced due to clogging by foreign substances contained in tap water, and the free chlorine gradually leaks because the flow rate in the activated carbon increases to exceed the adsorption capacity. However, the life is short.

In any case, since it is impossible for the user to visually recognize the service life of the reducing agent from the outside, it is necessary to predict the service life from the number of times of use and leave it alone.

Next, in the configuration described in Japanese Patent Application Laid-Open No. 6-238092, in order to supply tap water from which free chlorine has been removed into a water tank, at a portion where a filter case 13a containing a cartridge 13 is attached, In order to remove free chlorine contained in tap water, a poorly soluble reducing agent is required to have high contact efficiency (wide contact area) with tap water. For this reason, the contact area gradually decreases during use, and similarly, it is impossible for the user to know the life from the outside. Therefore, it is also required to predict and inform the life from the number of times of use and the like.

In addition, it is impossible to supply a predetermined amount of reducing agent into tap water in each of the washing process and the rinsing process with a readily soluble reducing agent. If too much reducing agent is present in the washing liquor, it is necessary to control the dissolution to a substantially predetermined amount to cause discoloration of the color pattern (dye) by the reducing action.

Further, the reducing agent needs to be replaced or repaired by its use, and operability such as easy loading is required for loading the reducing agent into the washing machine.

The present invention solves the above-mentioned problems, and disperses or dissolves a predetermined amount of a reducing agent in tap water or in washing water to completely and rapidly reduce the reducing agent and free chlorine. To prevent discoloration and discoloration of colored patterns (dye) due to the oxidizing action of free chlorine contained in tap water, yellowing of silk and oxidation of various organic fiber surface treatment materials, and to improve operability. It is intended to be.

[0015]

According to the present invention, in order to achieve the above object, a reducing agent for reducing free chlorine contained in water is constituted by a molded body, a powder or a complex thereof, and the reducing agent is reduced. A water treatment device detachably held by the agent holding portion and covered by a lid portion is disposed above the washing tub, and water supplied from a water supply means is injected into the washing tub via the water treatment device. It is.

Thus, there is no need to completely switch the water supply path or to apply a water pressure to the cartridge.
High contact efficiency with tap water is not required, and a predetermined amount of reducing agent is dispersed or dissolved in tap water or washing liquid, and the reducing agent and free chlorine are completely and rapidly redox reduced. It can be removed by reacting, and it can prevent discoloration of color pattern (dye), yellowing of silk, and oxidation of various organic fiber surface treatment materials due to the oxidizing action of free chlorine contained in tap water. Further, since the reducing agent is detachably held by the reducing agent holding portion, replacement, repair, and loading of the reducing agent can be facilitated, and operability can be improved.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention is directed to a reducing agent which is constituted by a molded body, a powder or a composite thereof and reduces free chlorine contained in water; And a water treatment device having a reducing agent holding portion for detachably holding the reducing agent, wherein the water treatment device is disposed above the washing tub, and water supplied from water supply means is supplied through the water treatment device. It is configured to pour water into the washing tub,
There is no need to completely switch the water supply path or apply water pressure to the cartridge, nor is it necessary to have a high contact efficiency with tap water, and to supply a predetermined amount of a reducing agent into tap water or washing liquid. The free chlorine can be removed by complete and rapid redox reaction between the reducing agent and free chlorine, and free chlorine can be removed. Yellowing of silk and silk and oxidation of various organic fiber surface finishing materials, etc. In addition, since the reducing agent is detachably held by the reducing agent holding part, replacement or repair of the reducing agent, Loading can be facilitated and operability can be improved.

According to a second aspect of the present invention, in the first aspect of the present invention, there is provided a holding portion upper cover for covering the reducing agent holding portion, and the holding portion upper cover is rectified so that the reducing agent is uniformly supplied with water. When tap water is supplied to the reducing agent, the water has the property of concentrating and flowing in places where it is easy to flow, so a groove is formed on the reducing agent, and only a part of the water will be reduced or lost. In some cases, untreated tap water may flow into the washing tub, but by providing a rectifying means on the upper lid of the holding portion, the reducing agent can be uniformly supplied with water, a groove can be formed on the reducing agent, or only a part of the reducing agent can be formed. It is possible to prevent tap water that has not been treated from flowing into the washing tub due to waste or loss.

According to a third aspect of the present invention, in the first aspect of the present invention, there is provided a holding portion upper cover for covering the reducing agent holding portion, and the state of the reducing agent can be directly visually confirmed through the holding portion upper cover. By providing a plurality of holes in the upper lid of the holding part, or making the whole or part of the upper lid of the holding part transparent or translucent, while supplying tap water to the reducing agent, reduction When only a part of the agent is reduced or washed away, or when the amount of the reducing agent is reduced and it becomes necessary to replace or replace the reducing agent, the state of the reducing agent can be easily understood and appropriate measures taken. be able to.

The invention described in claim 4 is the above-mentioned claim 1 to claim 1.
In the invention described in Item 3, the reducing agent holding portion is provided with a discharge hole for discharging water that has passed through the reducing agent, and water supplied from the water supply means to the water treatment apparatus and having passed through the reducing agent is discharged through the discharging hole. Without discharging and accumulating in the reducing agent holding section,
It is possible to eliminate the problem that the reducing agent is submerged and dissolved after the washing, and an appropriate amount does not flow into the washing tub at the next washing. In addition, by disposing a plurality of discharge holes substantially uniformly at the base of the reducing agent holding part, there is a problem that water flows only in a part of the discharge hole when the discharge hole is opened for drainage, causing a loss. Can also be prevented.

[0021] The invention described in claim 5 is the above-mentioned claim 1-
In the invention described in Item 4, the reducing agent and the reducing agent holding portion are visually distinguishable, and the color of the reducing agent holding portion and the color of the reducing agent are different from each other. Pattern,
Marks and letters are attached to make it easy to identify when the reducing agent runs out, making it easier to use the reducing agent even in locations where lighting is not always perfect, such as verandas, dressing rooms, and laundry rooms. Can be confirmed.

[0022]

Embodiments of the present invention will be described below with reference to the drawings.

(Example 1) As shown in FIG.
Numeral 4 is for reducing free chlorine contained in water, which is mainly composed of calcium sulfite, is solidified with a binder which is slowly soluble in water, is formed into a molded body, and is detachably held in the reducing agent holding portion 15. doing. The water treatment device 16 houses a reducing agent holding unit 15 holding the reducing agent 14, and covers the reducing agent 14 by providing a lid 17 that can be opened and closed. Water treatment device 16
A water supply port 18 is provided in the inside, and this water supply port 18 is provided with a water supply channel 19.
Through the water supply valve (water supply means) 20 through the reducing agent 14
Water can be supplied from above. A drain 21 is provided below the reducing agent 14, and the drain 21 is provided with a water inlet 22.
Is in communication with The water treatment device 18 is disposed above a washing and dewatering tub (washing tub) 23.

The operation of the above construction will be described. When the reducing agent 14 is held in the reducing agent holding section 15 and put into the water treatment device 16 and the water supply valve 20 is opened with the lid 17 closed, the water supply path 19 Water is sprinkled above the reducing agent 14 from the water supply port 18, and is poured into the washing and dewatering tub 23 from the water supply port 22 through the drain port 21.

At this time, the binder of the reducing agent 14 gradually dissolves and enters a predetermined amount (for example, 1) into tap water.
-3 ppm) of the reducing agent 14, that is, fine particles of calcium sulfite are dispersed and released. The calcium sulfite fine particles dispersed and released into the tap water remove the free chlorine by performing an oxidation-reduction reaction with free chlorine having an oxidizing effect in the tap water from the surface of the reducing agent 14 to the water supply port 22 and the washing and dewatering tank 23. be able to.

Therefore, there is no need to completely switch the water supply path or add water pressure to the cartridge.
High contact efficiency with tap water is not required, and a predetermined amount of a reducing agent is eluted into tap water or washing liquid, and the reducing agent and free chlorine are completely and rapidly redox-reacted. To remove free chlorine, and to prevent discoloration of colored materials (dye), yellowing of silk, and oxidation of various organic fiber surface treatment materials due to the oxidizing action of free chlorine contained in tap water. Can be. Further, since the reducing agent 14 is detachably held by the reducing agent holding unit 15,
Exchange, repair, and loading of the reducing agent 14 can be facilitated, and operability can be improved.

In this embodiment, the reducing agent 14 is formed in a molded body, but may be a powder or a composite of a powder and a molded body. The same is true for the effect of preventing deformation and oxidation of various organic fiber surface processing materials.

In this embodiment, a so-called single-tub washing machine or a two-tub washing machine having a washing tub has been described. It goes without saying that this may be done.

(Embodiment 2) As shown in FIG. 2A, a holding portion upper cover 24 covers the reducing agent holding portion 15, and a radial rib 25 and a plurality of holes 26 are formed on the holding portion upper cover 24. It is provided evenly and constitutes a rectifying means for uniformly supplying the reducing agent 14 with water. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. The reducing agent 14 is held in the reducing agent holding portion 15, covered with the holding portion upper cover 24, put into the water treatment device 16, and the water supply valve 20 is closed with the cover portion 17 closed. When opened, the water supplied from the water supply port 18 through the water supply passage 19 is supplied to the reducing agent 14 through the holding unit upper lid 24.
And water is poured into the washing / dewatering tub 23 from the water supply port 22 through the drain port 21. At this time, reducing agent 1
The binder of No. 4 is gradually dissolved, and a predetermined amount of fine particles of calcium sulfite is dispersed and released into tap water, whereby free chlorine in tap water can be removed.

On the other hand, since water tends to flow in places where it is easy to flow, if there is no upper cover 24, a groove will be formed on the reducing agent 14 and only a part will be reduced or run off, so that it will not be treated. Tap water as it is washing and dewatering tub 2
3 in some cases. By covering the reducing agent holding portion 15 with the holding portion upper lid 24 provided with the radial ribs 25 and the plurality of holes 26, the reducing agent 14 can be uniformly supplied with water, a groove can be formed on the reducing agent 14, It is possible to prevent the untreated tap water from flowing into the washing / dewatering tub 23 due to the loss or loss of only the tap water.

As shown in FIG. 2 (b), the holding portion upper lid 24 is provided with a plurality of types of holes 27, and particularly when the tap water pressure supplied from the water supply valve 20 is low, the reducing agent Tap water can be evenly dropped on 14. Also,
In the case where the tap water pressure supplied from the water supply valve 20 is high, as shown in FIG. 2 (c), the tap water is uniformly supplied to the reducing agent 14 by providing a slit-shaped gap 28 in the holding portion upper cover 24. And can flow quickly over the reducing agent 14.

(Embodiment 3) As shown in FIGS. 3 (a) and 3 (b), the holding portion upper lid 29 covers the reducing agent holding portion 15 and is provided with one or more holes 30 so that the water treatment device 16 When the cover 17 is opened, the state of the reducing agent 14 can be understood through the hole 30. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. The reducing agent 14 is held in the reducing agent holding portion 15, covered with the holding portion upper lid 29, put into the water treatment device 16, and the water supply valve 20 is closed with the lid portion 17 closed. When opened, the water supplied from the water supply port 18 through the water supply channel 19 is supplied to the reducing agent 14 through the holding portion upper lid 29.
, The binder of the reducing agent 14 gradually dissolves, and a predetermined amount of calcium sulfite fine particles dispersed and released in tap water can be removed, so that free chlorine in tap water can be removed.

As the tap water is supplied to the reducing agent 14, only a part of the reducing agent 14 is reduced or washed away, or the amount of the reducing agent 14 is reduced, so that replacement and replacement of the reducing agent is required. When it has become, the hole 30
Through this, the state of the reducing agent 14 can be easily understood, and appropriate measures can be taken.

As shown in FIG. 3 (c), the state of the reducing agent 14 can be easily recognized by making the upper surface 31 partially or entirely transparent or translucent, as shown in FIG. .

(Embodiment 4) As shown in FIG. 4, the reducing agent holding section 15 is provided with a discharge hole 32 for discharging water that has passed through the reducing agent 14. Other configurations are the same as those of the first to third embodiments.

The operation of the above configuration will be described. The reducing agent 14 is held in the reducing agent holding portion 15, covered with the holding portion upper cover 24, placed in the water treatment device 16, and the water supply valve 20 is closed with the cover portion 17 closed. When opened, the water supplied from the water supply port 18 through the water supply channel 19 is supplied to the reducing agent 14 through the holding portion upper lid 29.
And water is poured into the washing and dewatering tub 23 from the water supply port 22 through the discharge hole 32 and the drain port 21. At this time, the binder of the reducing agent 14 gradually dissolves, and a predetermined amount of fine particles of calcium sulfite is dispersed and released into tap water, so that free chlorine in tap water can be removed.

Therefore, the water supplied to the water treatment device 16 and having passed through the reducing agent 14 is discharged through the discharge hole 32 and does not accumulate in the reducing agent holding portion 15, so that the reducing agent 14 is submerged after washing is completed. Thus, the problem that an appropriate amount does not flow into the washing and dewatering tub 23 at the time of the next washing can be eliminated. The discharge hole 32 is provided in the reducing agent holding portion 15.
By arranging a plurality of pieces substantially uniformly on the base of the, it is possible to prevent a problem that water flows only in a part of the case where the discharge hole 32 is opened for drainage and the reducing agent 14 is partially reduced.

(Embodiment 5) As shown in FIG. 5 (a), the reducing agent holding portion 15 is configured such that the inner surface 33 has a color arrangement that is clearly different from the color of the reducing agent 14, and The agent holding portion 15 can be visually identified. Further, as shown in FIG. 5 (b), a pattern or pattern 34 which indicates that the reducing agent 14 has run out may be attached to the bottom, and as shown in FIG. 5 (c), the reducing agent 14 runs out. A mark or character 35 that indicates that the user has touched may be attached to the bottom. Other configurations are the same as those in the first to fourth embodiments.

The operation of the above configuration will be described. When the reducing agent 14 is held in the reducing agent holding portion 15, the water is supplied to the water treatment device 16, and the water supply valve 20 is opened with the lid 17 closed, the water supply passage 19 is Water is sprinkled from the water supply port 18 above the reducing agent 14, the binder of the reducing agent 14 is gradually dissolved, and a predetermined amount of fine particles of calcium sulfite is dispersed and released into the tap water to remove free chlorine in the tap water. Can be removed.

As the tap water is supplied to the reducing agent 14, the reducing agent 14 gradually decreases and finally disappears. When the color of the reducing agent holding portion 15 and the color of the reducing agent 14 are different, or when the pattern or pattern 34, the mark or the character 35 is attached to the bottom of the reducing agent holding portion 15, the reducing agent 14 is easily used. The state of the reducing agent can be easily confirmed even in a place where the lighting is not always perfect, such as a veranda, a dressing room, a laundry room, etc., and an appropriate countermeasure can be taken.

In this embodiment, the case of color, the case of pattern and pattern, the case of mark and character are shown independently, but if at least one of these is carried out, the reducing agent 14 is eliminated. This is the same in the effect that it becomes easy to identify even if the installation condition is bad.

[0044]

As described above, according to the first aspect of the present invention, a reducing agent composed of a molded body, a powder, or a composite thereof, which reduces free chlorine contained in water, A water treatment device having a reducing agent holding portion for covering the agent with a lid portion and detachably holding the reducing agent, wherein the water treatment device is disposed above a washing tub, and water supplied from water supply means is supplied by the water. Since the system is configured to inject water into the washing tub via the treatment device, a predetermined amount of the reducing agent is eluted into tap water or into the washing liquid, and the reducing agent and free chlorine are completely and rapidly oxidized and reduced. Free chlorine can be removed, and the color and pattern of the free chlorine contained in tap water can be prevented from discoloring (dye), yellowing silk, and oxidizing various organic fiber surface treatment materials. And the reducing agent is stored in the reducing agent holding section. Due to the detachably held, replacement or repair of a reducing agent, can be easily loaded, you are possible to improve operability.

According to the second aspect of the present invention, there is provided a holding portion upper cover for covering the reducing agent holding portion, and the holding portion upper cover is provided with a rectifying means for uniformly supplying the reducing agent with water.
When supplying tap water to the reducing agent, the tap water can be evenly supplied to the reducing agent, a groove is formed on the reducing agent, only a part of the reducing agent is cut off, or it is washed away, and the tap water is left untreated Can be prevented from flowing into the washing tub.

According to the third aspect of the present invention, there is provided a holding unit upper cover for covering the reducing agent holding unit, and the state of the reducing agent can be directly visually confirmed through the holding unit upper cover. If only a part of the reducing agent is reduced or washed away while supplying tap water to the city, or if the amount of the reducing agent decreases and it becomes necessary to replace or replace the reducing agent, The state of the reducing agent can be understood, and appropriate measures can be taken.

According to the fourth aspect of the present invention, since the discharge hole for discharging the water that has passed through the reducing agent is provided in the reducing agent holding section, water is supplied from the water supply means to the water treatment apparatus and the reducing agent is passed through. The water is discharged through the discharge hole and does not accumulate in the reducing agent holding portion, and the reducing agent is submerged and dissolved after the washing is completed, so that an appropriate amount does not flow into the washing tub at the next washing. In addition, by arranging a plurality of discharge holes substantially uniformly on the base of the reducing agent holding portion, water flows only in a part of the case where the discharge hole is opened for drainage, and the water is partially reduced. Can be prevented.

According to the fifth aspect of the present invention, since the reducing agent and the reducing agent holding portion can be visually distinguished, the color of the reducing agent holding portion and the color of the reducing agent can be changed, By attaching patterns, patterns, marks and letters on the bottom of the holding part to make it easy to identify when the reducing agent is exhausted, the installation location is not always well-lit, such as a veranda, dressing room, laundry room, etc. At the place, the state of the reducing agent can be easily confirmed.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main part of a washing machine according to a first embodiment of the present invention.

FIG. 2A is an exploded perspective view of a main part of a washing machine according to a second embodiment of the present invention. FIG. 2B is a perspective view of another example of a top cover of a holding part of the washing machine. Perspective view of another example of upper lid

FIG. 3A is a perspective view of a main part of a washing machine according to a third embodiment of the present invention. FIG. 3B is an exploded perspective view of components inside the water treatment device of the washing machine. Perspective view of another example of internal components

FIG. 4 is an exploded perspective view of a main part of a washing machine according to a fourth embodiment of the present invention.

FIG. 5A is a perspective view of an example of a reducing agent holding section of the washing machine according to the fifth embodiment of the present invention. FIG. 5B is a perspective view of another example of the reducing agent holding section of the washing machine. Perspective view of another example of the reducing agent holding portion of the washing machine

FIG. 6 is an exploded perspective view of an essential part of an example of a conventional washing machine.

FIG. 7A is an exploded perspective view of a main part of another example of the conventional washing machine. FIG. 7B is a cross-sectional view of a residual chlorine removing device of the washing machine.

FIG. 8 (a) is an exploded perspective view of another example of a conventional washing machine, and FIG. 8 (b) is a partially cutaway perspective view of a cartridge of the washing machine.

[Explanation of symbols]

 Reference Signs List 14 reducing agent 15 reducing agent holding unit 16 water treatment device 17 lid unit 20 water supply valve (water supply means) 23 washing and dewatering tub (washing tub)

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Norio Onoki 7-6 Tonoshimacho, Kadoma-shi, Osaka Excel Techno Co., Ltd.

Claims (5)

[Claims] 1. A reducing agent composed of a molded body, a powder or a composite thereof, for reducing free chlorine contained in water, and a reducing agent holding the reducing agent covered by a lid and detachably holding the reducing agent. And a water treatment device having a portion, wherein the water treatment device is disposed above the washing tub, and water supplied from water supply means is injected into the washing tub via the water treatment device. 2. A holding portion upper cover for covering the reducing agent holding portion,
The washing machine according to claim 1, wherein a rectifying unit is provided on the upper cover of the holding unit so that the reducing agent is uniformly supplied with water. 3. It has a holding part upper lid for covering the reducing agent holding part,
The washing machine according to claim 1, wherein the state of the reducing agent can be directly visually confirmed through the upper lid of the holding unit. 4. The washing machine according to claim 1, wherein a discharge hole for discharging water that has passed through the reducing agent is provided in the reducing agent holding section. 5. The washing machine according to claim 1, wherein the reducing agent and the reducing agent holding portion are visually distinguishable.