JP2822167B2 - Water purification device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purification device for purifying hot water, water and the like stored in a bathtub, a water storage tank and the like.

[0002]

2. Description of the Related Art Conventionally, an apparatus for purifying water in hot and cold water in a bathtub has, as a basic configuration, a suction port, a filter, a submersible pump, and a discharge port. Of the suction port and the discharge port, or the type of the filtering material, etc. Among them, there are a submerged type (for example, Japanese Patent Publication No. 57-17564, Japanese Utility Model Laid-Open No. 60-74713, etc.) and a semi-submerged type (for example, Japanese Utility Model Application Laid-Open No. 62-140912, Japanese Utility Model Application No. 1-132212, etc.), The semi-submerged type is divided into a floating type (Japanese Utility Model Laid-Open No. 1-132212) floating in hot and cold water in a bathtub and a mounting type (Japanese Utility Model Application Laid-Open No. 62-140912) which is hooked and fixed to the edge of the bathtub.

[0003]

In such a conventional water purification apparatus, there are various problems depending on the type of the apparatus. For example, the submerged type can be installed stably, but the water supply area is limited for water supply from below, and when water is supplied from the side to increase the water supply area, the height difference between the water supply position and the discharge position becomes small, so that water purification is performed. Circulation efficiency decreases. In the case of the semi-submerged floating type, the water supply area can be increased, but the device moves during use, which is an obstacle, and dirt settled on the bottom of the water tank is not easily removed. Further, in the semi-submerged hanging type, the installation is stable, but it is difficult to increase the water supply area, and there are some bathtubs that cannot be installed depending on the shape of the bathtub, and it is difficult to remove dirt accumulated on the bottom.

The present invention has been made to solve the above-mentioned problems in the prior art, and an object of the present invention is to make it easy to suck in the settled dirt and to make the filter surface area large, and to occupy a small volume in water as much as possible. It is an object of the present invention to provide a submerged water purification device that can be reduced in size and reduced in size.

[0005]

According to a first aspect of the present invention, there is provided a water purification apparatus specifically configured to achieve the above object, wherein water is supplied from a peripheral edge of a lower end of a main body and discharged from an upper end of the main body. A filter formed along the peripheral surface of the main body, a laminated sterilizing filter formed by laminating a plurality of ceramic filtering materials, a centrifugal pump for transferring water from the filter side to the laminated sterilizing filter, And a water purification outlet formed at an upper end for discharging purified water.

A water purification device according to a second aspect of the present invention provides a water supply port provided at the lower peripheral edge, a filter provided along the peripheral surface to filter relatively large dirt, and a downstream side of the filter. Laminating sterilizing filter media, in which a plurality of ceramic filter media are laminated and water is passed from the lower end to the upper end,
A centrifugal pump that is provided horizontally and transfers water from the filter side to the laminated sterilizing filter material side, and a water purification outlet that discharges purified water by forming a water purification passage at the upper end of the main body on the outlet side of the laminated sterilizing filter material. It is characterized by becoming.

According to a third aspect of the present invention, in the water purification device, the water purification outlet forms an air outlet concentrically at the center of the outlet, and a water purification passage is formed on the outer periphery of the air outlet, so that the air and the water can be purified. Are mixed and discharged.

[0008]

〔Constitution〕

As shown in FIG. 1, the appearance of the water purification device main body 1 is formed in a pot-like shape in which hot water is kept warm and stored. A handle 2 for hanging and holding is attached to the upper end of the water purification device main body 1 so as to be pivotally mounted on the upper end thereof, and the upper surface is rotatable by a hinge mechanism 3a (FIG. 3) on the peripheral edge on the rear side. And a lid 3 attached so as to be freely openable and closable.
A filter 1b (FIGS. 2 and 3) which is detachably attached is built in, and a filter inlet flow path 12 is provided between the peripheral surface and the filter 1b.
The front cover 1a formed with (FIG. 3) is formed so as to be detachable and fittable so as to maintain a substantially cylindrical shape.
At the upper end of the lid 3, an outlet 4 for purified hot water is opened, and an outlet 4a (FIGS. 2 and 3) through which air flows concentrically is provided at the center of the outlet 4.

The water purification device main body 1 is connected to the operating device 5 by a waterproof cable 5b. The operation device 5 is provided with an on / off switch 5a having an operation piece exposed on the upper surface,
An AC / DC converter (not shown) is built in, and a connector (not shown) for connecting to an AC power supply is connected by a connection cable (not shown) so that power can be supplied from a normal household power supply. An air outlet 4a is provided at the center of the discharge port 4, and an air tube 4b (FIG. 3) is connected to the outlet 4a so that air can be sucked from outside the bathtub. The air sucked out of the hot water is discharged from the outlet 4a so that the discharged hot water contains bubbles.

As shown in FIG. 2, the main part of the water purification device main body 1 is arranged such that a filter 1b made of nonwoven fabric or the like is provided in front of the main body peripheral surface, and a centrifugal pump 6 is provided at the lower part of the center of the main body. The filter is installed horizontally, and a filter medium 7 for purification is accommodated in the upper central part of the main body, and a discharge port 4 for discharging purified hot water is disposed at the uppermost end of the main body. To remove dirt of a size that can be identified by the naked eye, and then pressure-fed by a centrifugal pump 6 to the purification filter 7 side, and discharge purified hot water through the purification filter 7 from the discharge port 4 to the outside. It is configured so that

As shown in FIGS. 3 and 4, a centrifugal pump 6 is provided at the lower end of the main body of the water purification apparatus main body 1 and a filter medium 7 for purification is provided above the centrifugal pump 6. The centrifugal pump 6 has the shaft center substantially horizontal, the pump suction port 6a is disposed at the center of the lower end of the flow path 1c located downstream of the filter 1b, and the pump discharge port 6b is located upstream of the filter material placement section. It is inserted and arranged in a flange 1e provided at one end of the provided flow path 1d. The centrifugal pump 6 is provided with a solenoid coil 21 on the case 6c side, casts a magnet 22 on the rotor 6d side, and integrally forms an impeller 23 on one end of the rotor 6d. The rotor 6d is rotatably fitted to the shaft 6e via a sliding bearing, and when the solenoid coil 21 is energized, the rotor 6d rotates around the axis. The shaft 6e does not penetrate the case 6c, but is inserted at one end into a shaft mounting portion 6f protruding from the wall surface on the rotor arrangement side, and supported at the other end by a shaft supporting portion 6g protruding from the pump suction port 6a side. .

Above the central part of the water purification device main body 1, there is formed a cylindrical filter material storage part 1f, a disc 1g having a flange formed on the outer peripheral edge at the bottom and a circular hole formed at the center. The fitting is performed to form a flow path 1d below the disk 1g and to form a filter material mounting section above the disk 1g. On the filter material mounting portion, a filter material for purification 7 in which filter materials are laminated in six layers is mounted. The filtering material 7 for purification includes, in order from the lower (upstream) side, a filtering material 7a having an action of removing various ions, a filtering material 7b having an action of removing an odor-causing substance, and a filter having an action of removing organic substances, especially starch-based pollutants. Filter material 7c, a filter material 7d having an action of removing organic substances, particularly protein-based contaminants, a filter material 7 having an effect of removing organic substances and eluting a cell activating substance
e. Laminate mainly with a filter material 7f having a sterilizing effect.

The filter medium 7a is made of barley stone as a main raw material, processed to make use of the advantages of barley stone to remove its shortcomings, processed into pellets, and packed in a net bag with 300 g. The filtering material 7b is made of a clinoptilolite-based zeolite as a main raw material, kneaded with other pre-fired auxiliary raw materials, formed into a pellet shape and sintered, and packed 200 g in a mesh bag. The filter medium 7b has a high effect of neutralizing the ammonia-based component among the odor-causing substances and removing the odor thereof, and is also effective in removing organic substances in water.

The filter material 7c is prepared by mixing iron oxide-based ceramic raw materials as main raw materials, carbonate-based and oxide-based ceramic raw materials as auxiliary raw materials, and preliminarily firing in a powder state for each unit.
A net bag is filled with 500 g of black ferrite ceramics formed into a pellet and sintered. In addition to the action of removing pollutants, the filtering material 7c has a high permeability to cells due to the elution of a small amount of divalent and trivalent iron ions, effectively acts on cell activation, and is extremely weak and complicated. When used together with the filter medium 7d, there is an effect of synergistically enhancing the adsorption filtration action.

The filter material 7d is made of porous alumina obtained by preliminarily sintering several kinds of ceramic raw materials such as oxides and metals, mainly of alumina, individually, kneading, molding into pellets and sintering. System ceramics in a net bag
00g packed. This filter material 7d has a surface active effect, and has an effect of peeling and decomposing and depositing dirt deposited on walls and the like and organic substances floating in water together with the catalytic action of alumina, and should be used together with the filter material 7c. This has the effect of synergistically enhancing the exfoliation decomposition precipitation effect.

The filtering material 7e uses the same material as the filtering material 7c. As a result, an adsorptive filtration effect utilizing a synergistic effect with the filter medium 7d is effectively obtained, and a cell activation effect of hot water is effectively enhanced. The filter material 7f is prepared by preliminarily firing various kinds of ceramic raw materials such as several kinds of calcium and metal mainly based on calcium phosphate for each system, kneading, molding into pellets, and passing through other processing steps. The sintered ceramic was packed in a net bag in an amount of 300 g. The filter medium 7f has a bactericidal action and can be used to enhance the bactericidal effect effectively when used together with the filter medium 7e.

The lid 3 is covered above the purifying filter 7 to form an outlet passage 3b for purified hot water at the center of the lid 3. The outlet 3b is deflected horizontally at the upper end of the outlet passage. Connect to The outlet 4a is inserted through the outlet passage wall at the deflected portion, and is arranged concentrically at the center of the discharge port 4. An air tube 4 is provided at a portion of the outlet 4a outside the outlet passage wall.
b is connected to allow air to flow out of the outlet 4a opened inside the discharge port.

The opening / closing mechanism of the lid 3 is rotatably opened and closed about the hinge 3a, and an engaging portion 8 is provided at an upper end edge of the water purification device main body 1 at a position axially symmetric to the hinge 3a. The engaging portion 8 includes a sliding piece 8a that approaches and separates toward the center of the lid,
A coil spring 8b for biasing the sliding piece 8a in a direction away from the center of the lid; a locking piece 8c protruding from the outer peripheral end face of the sliding piece 8a; Engage so that the lid 3 does not open except when needed.

The front cover 1a is opened and closed by opening and closing the front cover 1a.
An opening / closing mechanism 10 similar to the opening / closing mechanism 8 for the lid 3 is provided at the upper end of the cover 3a, and a projecting portion 11 for insertion into the main body is provided at the lower end. And push it down against the urging force of
By releasing the lock with the main body, the front cover 1
Then, the upper end of a is pulled toward the front side to be separated from the main body side, and then the front cover 1a can be removed by pulling the front cover 1a upward to remove the protrusion 11 from the main body. The sliding piece 10a of the opening / closing mechanism 10 is inserted into a predetermined position on the main body side and pressed against the main body side so that the sliding piece 10a of the opening and closing mechanism 10 can be brought into close contact with the main body side.

[Effect] In the embodiment constructed as described above, the front cover 1a in which the filter 1b is mounted is mounted on the main body side, and the filter material 7 for purification is filtered into the filter material accommodating portion 1f by a predetermined amount. The material is stored and the lid 3 is closed, an air tube 4b is connected to a portion of the outlet 4a outside the outlet passage wall, and the free end of the air tube 4b is taken out of the bathtub to put the water purification device main body 1 into the bathtub. When the power is turned on by operating the on / off switch 5a of the operating device 5 by submerging, the centrifugal pump 6 is started, and the hot water in the bathtub is sucked and purification is started.

The hot and cold water sucked into the main body of the water purification device from the bath tub through the lower peripheral edge of the main body 1 flows into a flow passage formed in the cover via a protrusion 11 provided at the lower end of the front cover 1a. It enters, passes through the filter 1b, filters out large pollutants, and exits into the flow path 1c. Then, it is sucked in from the pump suction port 6a provided at the lower end of the flow path 1c, and is sent out from the pump discharge port 6b to the flow path 1d. The sent hot water flows from the flow path 1d through a hole formed in the center of the disk 1g, and flows out toward the filter material storage section 1f.

When flowing into the filter material storage section 1f, first, ions are removed through the filter material 7a, and ammonia components are neutralized by passing through the filter material 7b, odors are removed, and organic substances in water are removed. Removed and filter media 7c and 7d
To decompose protein- and starch-based contaminants, suppress the generation of slime, sediment organic matter floating in water, generate iron ions through filter media 7e and 7f, and activate cell activity. And kills coliform bacteria, Staphylococcus aureus, Bacillus subtilis, common bacteria, toxin-type and propagation-type bacteria, suppresses water decay and improves water quality.

All of the filter media 7a to 7 in the filter media storage section 1f
After passing through f and being purified, it flows into an outlet passage 3 b formed in the lid 3 and is discharged from the discharge port 4. When the purified hot water is discharged from the discharge port 4, air is sucked from the free end of the air tube 4b by the negative pressure generated at the discharge port 4, flows out of the outlet 4a, and bubbles are generated in the purified hot water. Hot water containing air bubbles is discharged from the discharge port 4a.

As described above, by sucking up from the lowermost end of the water purification device main body 1 and blowing it out from the uppermost end, the dirt settled at the bottom of the bathtub is efficiently sucked,
Hot water circulation purification can be performed efficiently from the bottom to the top of the bathtub. Further, since the filter 1b housed in the front cover 1a can increase the filter surface area,
The filtration area can be increased, and even if the sediment is filtered, the pressure loss does not increase and the suction performance does not significantly decrease. Efficiency can be improved. Furthermore, by forming the device into a pot shape and miniaturizing it, the occupying volume in the bathtub can be reduced, and a purifying device that is easy to handle and does not interfere with can be realized.

The centrifugal pump 6 does not allow the shaft 6e to penetrate the case 6c, so that there is no danger of liquid leakage to the electric circuit side, and a seal for preventing liquid leakage can be eliminated.
The filter material 7 for purification uses a plurality of filter materials 7a to 7f laminated and used, so that dirt removal, water purification, sterilization, and the like can be effectively performed, and the device capacity can be reduced by using an appropriate amount of filter material. it can. By forming the air suction type discharge port 4, air bubbles can be included in the discharged hot water, so that the purified hot water can be activated and a massage effect can be given to the body. .

[Alternative Embodiment] This embodiment is specifically shown for better understanding of the spirit of the present invention, and does not limit the alternative embodiment unless otherwise specified. Some alternative embodiments along this purpose are described below.

[First Alternative Mode] The following describes a case where an air pump is provided outside the water purification device main body 1 so as to blow air from the outlet 4a. In this alternative,
One end of an air tube 4b (FIG. 3) is connected to an air outlet 4a provided at the center of the discharge port 4 so that air can be supplied from outside the bathtub, and the other end of the air tube 4b is shown in FIG. Connect an air pump that does not
Can be installed outside the bathtub (by way of being incorporated in the inside). When the air tube 4b is connected to a portion of the outlet 4a outside the wall of the outlet passage, and the power is turned on by operating the on / off switch 5a of the operating device 5 by sinking the bath, the centrifugal pump 6 is activated and the air pump is turned on. Is also activated to start the purification by sucking the hot water in the bathtub, and to blow out the air from the outlet 4a through the air tube 5b, so that the purified hot water contains bubbles and vigorously contains bubbles from the discharge port 4a. Discharge hot water. Thereby, a massage effect on the body can be more effectively given.

[Second Alternative Embodiment] A case in which a blower is provided inside the water purification device main body 1 and air is blown out from the outlet 4a will be described below. In this alternative embodiment, for example, a method of forming and incorporating a small-sized blower integrally formed in the same manner as the solenoid coil 21 and the rotor 6d in a case 6c located on the side opposite to the impeller arrangement side of the centrifugal pump 6 Thereby, it can be installed inside the water purification device main body 1. The outlet of this blower and the outlet 4a are connected by an air tube 4b, and the suction port of the blower is connected by another air tube so that air can be sucked from outside the bathtub. The free end of the air tube is connected to the bathtub. When the power is turned on by operating the on / off switch 5a of the operating device 5 by going out and sinking the water purification device main body 1 into the bathtub,
When the centrifugal pump 6 is activated, the blower is also activated, the hot water in the bathtub is sucked to start the purification, and the air is blown out from the outlet 4a through the air tube 5b, so that the purified hot water contains bubbles and vigorously. Hot water containing air bubbles is discharged from the discharge port 4a. As a result, the air jet output can be increased, and the purified hot water containing bubbles can be discharged very vigorously.

[0029]

As described above, in the water purification apparatus according to the first aspect of the present invention, when the centrifugal pump is started by being submerged in a bathtub or a water tank, water is supplied from the peripheral edge of the lower end of the main body, and the peripheral surface of the main body is After passing through a filter formed along the side, relatively large dirt is filtered, and the filtered water is filtered and sterilized by passing through a plurality of ceramic filter media, and then discharged from a water purification outlet at the upper end of the main body. By doing so, dirt in the tank is efficiently removed, hot water is effectively purified and sterilized, and the bathtub or the water tank can be kept clean. In particular, by laminating a plurality of types of filter media including a filter media that precipitates dirt in hot and cold water, it is possible to effectively purify water quality by precipitating suspended matter once and then suctioning and filtering. It is also possible to purify floating substances on the hot water surface, which were insufficient with the conventional submerged purifier. In addition, the centrifugal pump is provided at the lower part of the main body and has an impeller-integrated rotor rotatably mounted on a shaft that does not penetrate the case, eliminating the need for a seal to prevent leakage, simplifying the configuration and reducing rotational resistance Thus, the driving resistance can be reduced and the pump efficiency can be improved.
Also, the main body is formed vertically long to minimize the area occupied in the bathtub, a water purification passage is formed above the laminated sterilizing filter, and a water purification outlet for discharging purified water in the horizontal direction is provided. The height between the position and the discharge position can be increased, and the liquid can be sucked from the bottom of the bathtub and discharged horizontally in the vicinity of the hot water level at the upper end of the bathtub,
The water in the bath tub is forcibly circulated to effectively equalize the temperature in the bath tub and promote water purification. Even if the bottom area is reduced in this manner, the filter area can be increased by forming the filter inlet flow path on the front surface of the filter, the pressure loss can be reduced, and the suction load of the pump can be reduced. be able to.

Further, in the water purification apparatus according to the second aspect,
When the centrifugal pump is started by being submerged, water is supplied from a water supply port provided at a lower peripheral edge portion, and a relatively large dirt is filtered through a filter provided at the peripheral surface portion along the peripheral surface, and the downstream side of this filter is filtered. By passing through a ceramic-based sterilizing filter material, a plurality of ceramics filter materials can be passed, filtered and sterilized, and discharged horizontally from a water purification outlet through a water purification passage at the upper end of the main body. By this, the main body can be formed into a shape with a large vertical difference in height, the circulation efficiency in the hot water tank can be increased, the temperature in the bathtub can be made uniform and the water purification can be promoted, and the purification efficiency and pump efficiency can be increased. Power consumption can be reduced. In particular, by laminating a plurality of types of filter media including a filter media for precipitating dirt in hot and cold water, it is possible to purify the water quality by allowing the suspended matter to settle once and then suctioning and filtering. It can also purify suspended matter on the hot and cold water surface. Even if the bottom surface area is reduced in this way, the filter inlet flow path communicating with the water supply port is formed between the peripheral surface and the filter, so that the filter area can be increased, and the pressure loss can be reduced. The suction load can be reduced. Furthermore, the centrifugal pump is provided horizontally at the lower part of the main body, and the impeller-integrated rotor is rotatably mounted on a shaft that does not penetrate the case. This eliminates the need for a seal to prevent leakage and simplifies the configuration. And rotation resistance is reduced,
It is possible to improve the pump efficiency and reduce the size of the main body.

In the water purification apparatus according to the third aspect,
When purified water flows out of the purified water outlet, air can be suctioned from the air outlet formed in the center, mixed with purified water passing through the outer periphery, and discharged in the horizontal direction while mixing the air and purified water. By doing so, it is possible to discharge purified water containing air bubbles, increase the oxygen content in the hot water and improve the water purification effect, and stimulate the body in the bathtub by a jet with moderate vibration. It is possible to improve the mating effect when taking a bath.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance of a water purification device according to the present invention.

FIG. 2 is a front perspective view showing the overall arrangement of the water purification device according to the present invention.

FIG. 3 is a longitudinal sectional view showing the overall arrangement of the water purification device according to the present invention.

FIG. 4 is a view taken in the direction of arrows AA in FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Water purification apparatus main body 1a Front cover 1b Filter 1f Filter material storage part 3 Lid 3b Outlet passage (purified water passage) 4 Discharge port (purified water outlet) 4a Outlet (air outlet) 4b Air tube 5 Operating device 5a On / off switch 6 Centrifugal pump 6a Pump suction port 6b Pump discharge port 6c Case 6d Rotor 6e Shaft 7 Purifying filter material 7a-7f Filter material 12 Filter inlet flow path

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI C02F 1/50 540 C02F 1/50 540E 550 550B 560 560Z

Claims (3)

(57) [Claims] 1. A water purification device for supplying water from a lower peripheral edge of a main body and discharging water from an upper end of the main body , wherein a filter formed along a main body peripheral surface inside a front surface of the main body, and a filter formed between the main body peripheral surface and the filter. Filter formed on
Inlet flow path and filter medium that is housed in the center of the main unit and precipitates dirt in hot and cold water
And a laminated sterilizing filter formed by laminating a plurality of ceramic filter media, and rotating on an axis that is provided at the bottom of the main body and does not penetrate the case
A centrifugal pump for transferring the hot water from the filter side provided with an impeller integrated rotor provided freely to the laminated sterilizing filtration material side, water purification for discharging purified water to form the discharge port toward the horizontal direction in the main body upper end A water purification device comprising an outlet. 2. A water supply port formed in a lower peripheral edge, and a filter for filtering relatively large dirt provided on the peripheral surface in the portion along a circumferential surface, and formed between the peripheral surface filter With the water inlet
A filter inlet flow path communicated to precipitate the dirt in the hot water disposed downstream of the filter
Rutotomoni case provided from the lower end by stacking a plurality of ceramic filtering material and laminated sterilizing filter medium passing water toward the upper end, laterally below the stack sterilizing filtration material including that filtering material
Impeller on a rotor that is rotatably mounted on a shaft that does not pass through
From a centrifugal pump for transferring the hot water from the filter side are formed integrally to the laminated sterilizing filtration material side, a purified water outlet to said ejected upward purified water to form a water purification passages of the stacked filter sterilized medium in the horizontal direction A water purification device characterized by comprising: 3. The water purification outlet is characterized in that an air outlet is formed substantially concentrically at the center of the outlet, and a water purification passage is formed around the air outlet to mix and discharge air and purified water. The water purification device according to claim 1 or 2, wherein: