JP2007313002A - Circulating filtration device for bath water - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively remove suspended matter, such as hair, mainly floating around a water surface in a circulating filtration device for bath water. <P>SOLUTION: A front upper side of a casing which is attachable to an inside wall face of a bathtub with suction cups is formed with a water collection slit opened laterally; The inside of the casing is provided with a discharge nozzle and an electric submerged pump having a suction port at the lower end and a discharge pipe on a front face at a middle stage; the discharge pipe communicates with the discharge nozzle; the whole area of a stage lower than the water collection slit in the casing is provided with a filtration layer; and a cage is provided around a suction port of the submerged pump to form a space part between the filtration layer and the suction port. An air tube for introducing outside air is provided on the upper face of the submerged pump so as to add an aeration function to the submerged pump. The tip of the discharge nozzle is formed into a flat port with a sectional area smaller than that in the middle of the discharge nozzle and is bendable in an optional vertical direction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a circulation filtration device that pumps up water in a bath tub, filters or purifies the water through an appropriate filtration device, and circulates the water in the bathtub again.

  Conventionally, various devices have been proposed as a circulating filtration device that pumps bath water with a pump, filters it, and returns it to the bathtub. For example, FIG. 5 of Patent Document 1 shows one conventional example. This bathtub water circulation purification apparatus has a structure in which the main body container of the circulation apparatus is installed outside the bathtub and is connected to the inside of the bathtub by a circulation path. A filter, a purification material, and a heat retaining heater are disposed inside the container, and a pump for forcibly circulating the bath water is provided in the middle of the circulation path. Then, when the pump is operated, the bathtub water in the bathtub passes through the circulation path and is sent into the main body container. First, a relatively large suspended matter is collected by the filter, and then the fine material is purified by the purifier. The suspended matter is collected, further heated to an appropriate temperature by a heat retaining heater, and returned to the bathtub through the circulation path. By performing such a process continuously, purification of bath water is performed.

  However, this type of circulation device is large, has to be installed outside the bathtub, and is expensive. For this reason, as shown in the text of Patent Document 1 and Patent Document 2 and Patent Document 3, a relatively small circulation device that can be fixed to the inner wall of a bathtub or floated on a bathtub is proposed.

Japanese Patent Laid-Open No. 9-225222 JP 2003-52560 A JP 2000-153110 A

  The basic operation principle of these circulation devices is the same as that of the above-described device, and bath water is circulated by a pump, and a filtration device is provided in the middle to filter the bath water. However, these filtration devices are provided with water inlets in the water or at the bottom of the water, so they can inhale and filter suspended substances floating in the water, but inhalate hair and scales floating on the water surface. The problem remains that these cannot be effectively removed. In addition, the filtered hot water is gently returned from the upper layer of the bathtub, and does not form a forced circulation flow in the bathtub. But it wasn't.

  The present invention is mainly intended to effectively remove suspended matters such as hair floating near the water surface, and further, by generating a bubbly flow to promote purification of water quality by aeration or in a certain direction in the bathtub. The purpose is to form a circulating flow.

  In order to solve the above-described problems, the present invention provides a water collection slit that opens horizontally on the front upper side of the housing that can be attached by a suction cup or the like on the inner wall surface of the bathtub, a water discharge nozzle is provided in the housing, An electric submersible pump having a water inlet at the lower end and a discharge pipe at the front of the middle stage is erected in the housing, and the discharge pipe communicates with the water discharge nozzle, and is entirely below the water collection slit inside the housing. In addition, a means was adopted in which a filtration layer was provided over and a cage was provided around the suction port of the submersible pump to form a space between the filtration layer and the suction port.

  In addition, a means of providing an aeration function to the submersible pump by providing an air tube for introducing outside air on the upper surface of the submersible pump was adopted.

  Furthermore, the tip of the water discharge nozzle is a flat mouth having a smaller cross-sectional area in the middle of the water discharge nozzle, means for enabling the tip of the water discharge nozzle to be bent in any vertical direction, and the tip of the water discharge nozzle is detachable As an alternative, a means for enabling connection of a hose or the like was adopted.

  Further, the filter layer has a configuration comprising at least a filter-like material for filtering a relatively large suspended matter and an adsorptive purification material made of a fiber material or porous ceramics that adsorbs a fine suspended matter. It was adopted.

  The circulation filter device for bath water of the present invention according to the above configuration has a water collection slit on the upper side of the casing, so that the surface layer of the bath water can be obtained by matching the position of the water collection slit with the surface level of the bath water. Water can be taken into the apparatus. For this reason, it has become possible to efficiently filter hair, scales, etc. floating on the water surface, which were difficult to remove with conventional filtration devices. Moreover, since water is absorbed from the water suction port at the lower end of the submersible pump, a downward water flow is generated in the housing, and the bath water efficiently passes through the filtration layer. Further, since the space portion is formed between the filtration layer and the water suction port by the cage provided around the water suction port, the filtration layer does not directly cover the water suction port, and the reduction in water absorption efficiency can be prevented.

  When an aeration function is added to the submersible pump, bath water can be purified by aeration of a large number of generated bubbles. In addition, a large number of bubbles entangle the suspended matter in the water and lift the suspended matter near the surface of the water by the upward flow, so it is possible to efficiently collect bath water including suspended matter from the collecting slit, and it is efficient. Filtration is realized.

  Moreover, since the tip of the water discharge nozzle is formed in a flat mouth having a cross-sectional area smaller than the cross-sectional area in the middle, the discharged water flow is wide and has a high speed, and a circulating flow can be formed in the bathtub. Furthermore, since the tip direction of the water discharge nozzle can be arbitrarily changed, the direction of the circulating flow can be adjusted according to the shape of the bathtub.

  If the water discharge nozzle is removed and a hose or the like is attached separately, the bath water can be efficiently discharged out of the bathtub, for example, the remaining hot water can be used as washing water.

  Since the filtration layer is composed of at least a filter-like material and an adsorbent purification material, large suspended matters such as hair and scales are filtered through a filter, and fine suspended matters are adsorbed by the purification material, resulting in a water purification effect. Can be increased.

  Hereinafter, preferred embodiments of a bath water circulation filtration device according to the present invention will be described in detail with reference to the accompanying drawings. FIG. 1A is a front view of an embodiment of the present invention, and FIG. 1B is a sectional view showing the internal structure thereof. 2A is a side view of the embodiment, and FIG. 2B is a sectional view thereof.

  In each figure, the casing 1 of the circulation filtration device is formed in a rectangular box shape with, for example, a synthetic resin, and a horizontally long water collecting slit 2 is provided on the upper front side thereof. Further, a water discharge nozzle 3 is provided on the front surface of the housing 1 so as to protrude. The base of the water discharge nozzle 3 has a circular tube shape, but the tip is formed in a flat mouth having a cross-sectional area smaller than the cross-sectional area of the circular tube in the middle so that the discharged water flow is wide and has a high speed. ing. The water discharge nozzle 3 is further formed so that it can be bent in an arbitrary vertical direction so that the direction of the water discharge flow can be changed, and the tip portion may be detachable as necessary.

  Next, a submersible pump 6 having a water inlet 4 at the lower end and a discharge pipe 5 at the front of the middle stage is erected inside the housing 1, and the discharge pipe 5 of the submersible pump 6 communicates with the water discharge nozzle 3. ing. In addition, a filtration layer 7 is formed throughout the lower part of the housing 1 below the water collecting slit 2, and a cage 8 having a large number of holes is provided around the water inlet 4 of the submersible pump 6. A space 9 is formed between the filtration layer 7 and the water inlet 4 described above. This space portion 9 is for preventing the filtration layer 7 from being in direct contact with the water inlet 4 and reducing the water absorption efficiency.

  The specific structure of the filtration layer 7 is not particularly limited, but at least the upper layer is provided with a filter-like material such as a net or nonwoven fabric for filtering relatively large suspended matters such as hair and scales, and the intermediate layer and the lower layer are provided. It is preferable to provide a filter medium made of a fiber material or a filter medium made of an adsorptive purification material such as porous ceramics. This makes it possible to filter both large and fine suspended matters. Further, it is possible to activate a bath water by providing a layer of a water activation material typified by tourmaline or a magnet to promote the blood circulation and metabolism of the bather.

  The submersible pump 6 is operated by supplying operating power via a power cord 10 connected to the upper surface. In addition, an aeration function is introduced in which outside air is introduced into the submersible pump 6 through the air tube 11 connected to the upper surface, mixed with the sucked-up water, and fine bubbles are discharged from the water discharge nozzle 3.

  Moreover, the some suction cup 12 is provided in the appropriate location of the back surface of the housing | casing 1, for example, and it can attach to the predetermined height of the inner wall surface of a bathtub. In addition, the shape of the housing | casing 1 is not limited to rectangular box shape, For example, when attaching to the corner part of a bathtub, you may make it a planar shape become a triangle thru | or a fan shape. Also in this case, it is preferable to provide the water collecting slit 2 widely.

  The configuration of the circulating filter for bath water according to the present invention is as described above. Next, a method for using this device will be described. The present filtration device is attached to the inner wall surface of the bathtub via the suction cup 12. At this time, the water surface level (L) of the bath water and the position of the water collecting slit 2 of the present filtration device are made to coincide with each other. Thereby, the bath water of a water surface level flows in into this filtration apparatus from the water collection slit 2. FIG. When the submersible pump 6 is operated, water in the housing 1 is sucked up from the water inlet 4 and discharged from the discharge pipe 5 and the water discharge nozzle 3. At this time, a downward water flow as shown by an arrow is formed in the housing 1. Because of this water flow, the water that has flowed into the present filtration device forcibly passes through the filtration layer 7, so that the filtration layer 7 can completely remove floating surfaces such as hair and scales floating on the water surface and in the water. Further, as described above, depending on the configuration of the filtration layer 7, the bath water can be activated.

  The water from which the suspended matter is removed by the filtration layer 7 is discharged out of the apparatus through the discharge pipe 5 and the water discharge nozzle 3. At this time, since the water discharge nozzle 3 is formed in a flat shape with a reduced cross-sectional area, the water is discharged vigorously and forms a water flow in a certain direction in the bathtub. By adjusting the direction of the water discharge nozzle 3 downward in accordance with the shape of the bathtub, as shown in FIG. 3, the circulating flow from the apparatus to the vicinity of the water collecting slit 2 is circulated in the bathtub again. It becomes possible to form a large amount of suspended matter on the water surface into the present filtration device.

  Further, if outside air is taken into the submersible pump 6 from the air tube 11 and the aeration function is activated, a large number of small bubbles are discharged together with the circulation flow. The effect of purifying water stains can also be expected by aeration of the bubbles. In addition, many small bubbles rise while entwining suspended matter in the water, so that the suspended matter floats near the surface of the water in a circulating flow and takes in more suspended matter from the water collecting slit 2 into the filtration device. Can do.

  The air tube 11 is submerged in water to stop aeration and the entire filtration device is submerged in bath water. The water discharge nozzle 3 is removed, and an appropriate length of hose (not shown) is attached to the discharge pipe 5. Can be used to drain filtered bath water to the outside through a hose, and for example, the remaining hot water in the bath can be used as washing water.

(A) is a front view of the Example of this invention, (B) is sectional drawing which shows the internal structure. (A) is the side view of an Example, (B) is the sectional drawing. It is a side view which shows the direction of the water flow in a bathtub.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Housing | casing 2 Water collection slit 3 Water discharge nozzle 4 Water intake 5 Discharge pipe 6 Submersible pump 7 Filtration layer 8 Cage 9 Space part 10 Power cord 11 Air tube 12 Suction cup

Claims (5)

  A water collection slit that opens horizontally on the front upper side of the housing that can be attached by a suction cup or the like is provided on the inner wall surface of the bathtub, a water discharge nozzle is provided in the housing, and a water inlet is provided at the lower end in the housing. An electric submersible pump having a discharge pipe is set up in front of the middle stage, the discharge pipe communicates with the water discharge nozzle, a filtration layer is provided below the water collecting slit inside the housing, and water absorption of the submersible pump is performed. A circulating filtration apparatus for bath water, wherein a cage is provided around the mouth to form a space between the filtration layer and the water inlet.   The circulating filtration apparatus for bath water according to claim 1, wherein an air tube for introducing outside air is provided on the upper surface of the submersible pump to add an aeration function to the submersible pump.   The bath water circulation according to claim 1 or 2, wherein the tip of the water discharge nozzle is a flat mouth having a cross-sectional area smaller than the cross-sectional area in the middle of the water discharge nozzle, and the tip of the water discharge nozzle can be bent in any vertical direction. Filtration device.   The circulating water filtration device according to any one of claims 1 to 3, wherein the tip of the water discharge nozzle is detachable so that a hose or the like can be connected separately.   The filter layer is composed of at least a filter-like material for filtering a relatively large suspended matter and an adsorptive purification material made of a fiber material or porous ceramics that adsorbs a fine suspended matter. The circulating filtration apparatus for bath water according to claim 4.

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