JP2000024419A - Immersion type bathtub water filter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an immersion type bathtub water filter in which a filter 6 can be easily attached and detached and further by simple structure, the electric leakage of an electric motor 8 or the like can be prevented and which can be manufactured at low cost. SOLUTION: An immersion case 5 is constituted by a pump case 9 housing a circulating pump 7 and the electric motor 8 and a filter case 10 housing the filter 6 and freely attachably and detachably fitted to/from the pump case 9. The filter case 10 is constituted so that the filter 6 can be freely loaded and unloaded to/from the connected side to the pump case 9. The pump case 9 is made in tight closure, and a suction port 26 is provided on the connected side of the pump case 9 to the filter case 10, and a discharge port 27 is provided on the front side of the pump case 9, and the circulating pump 7 is connected to the suction port 26 and the discharge port 27 through lines 41, 42 in the pump case 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an immersion type bath water filtration device for filtering bath water by immersing the bath water in a bath tub.

[0002]

2. Description of the Related Art Conventionally, as a bath water filtration device used in a household bath or the like, as described in, for example, Japanese Utility Model Laid-Open No. 1-170412, an immersion type filter immersed in bath water of a bathtub is used. There are things. This immersion type bath water filtration device drives a filter for filtering bath water, a circulation pump for circulating bath water through the filter between the bathtub and the body case, and a circulation pump in a box-shaped main body case. An electric motor is provided, and the circulating pump is driven by the electric motor, and the circulating pump circulates the bath water in the bathtub between the bathtub and the main body case and filters the bathwater.

The main body case has an integral structure, and a bath water inlet is formed at the lowermost portion on the front side of the main body case. The bath water flowing into the main body case from the inlet is filtered by a filter. The filter is located at the bottom of the case. Further, the electric motor is housed in a motor case having a hermetically sealed structure fixed in the main body case, and a rotating shaft of the electric motor is protruded downward from the motor case, and the rotor of the circulation pump is driven by the rotating shaft. I have to.

[0004]

In this bath water filtration device, it is necessary to periodically clean the filter. However, conventionally, the main body case has an integral structure and the filter is provided at the bottom of the main body case. When cleaning the filter, remove the entire device from the bath water and put the filter in or out, or reach out to the lower side of the main unit case with the entire device immersed in the bath water, and There is a drawback that the filter needs to be taken in and out in a posture, and it is difficult to attach and detach the filter.

[0005] Further, since the electric motor is used in bathing water, there is a risk of electric leakage. The electric motor is sealed in a motor case having a sealed structure, and the electric motor is waterproofed so that bathing water does not enter the side of the electric motor. ing. However, because of the double structure in which the motor case is provided in the main body case, the structure in the main body case is complicated, which causes an increase in manufacturing cost.

In addition, conventionally, not only is the structure of the main body case and the motor case doubled, but also because the rotating shaft of the electric motor projects downward from the motor case, the bearing of the motor case and the rotating shaft is not provided. It is difficult to take waterproof measures, and it is necessary to use a complicated water-sealed bearing, which also causes a significant increase in manufacturing costs. Also, even when a complicated water-sealed bearing is used for the bearing part, if the water-sealing part is operated continuously or intermittently for a long period of time, the waterproof performance is reduced due to abrasion of the water-sealed part, and electric leakage may occur. There is also.

The present invention has been made in view of such a conventional problem,
It is an object of the present invention to provide an immersion-type bath water filtration device that can easily attach and detach a filter when the filter is washed and the like, can prevent electric leakage of an electric motor or the like with a simple structure, and can be manufactured at low cost.

[0008]

According to the immersion type bath water filtration device of the present invention, the immersion case includes a pump case accommodating a circulating pump and an electric motor, so that the filter can be easily attached and detached. A filter case that houses the filter and that is detachably attached to the pump case, wherein the filter case is configured so that the filter can be taken in and out from the connection side with the pump case.

Further, the immersion type bath water filtration device according to the present invention has a pump case having a hermetically sealed structure in order to prevent electric leakage of the electric motor with a simple structure and to make it inexpensive to manufacture. A suction port is provided on the connection side with the filter case, and a discharge port is provided on the front side of the pump case, and the circulation pump is connected to the suction port and the discharge port via a pipe in the pump case.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a immersion type bath water filtration device according to the present invention will be described below in detail with reference to FIGS. First, the first embodiment shown in FIGS. 1 to 13 will be described.

FIG. 1 is a use state diagram showing a state in which the bath water filtration device 2 is attached to the bathtub 1, FIG. 2 is an enlarged front view of the bath water filtration device 2, and FIG. 3 is a partially enlarged view of FIG. Bath water W is stored in bath tub 1, and bath water filtration device 2 stores bath water W.
It is suspended from the upper surface of the side wall 1a of the bathtub 1 by a hanging string 3 so as to be immersed therein, and is detachably attached to the inner surface of the side wall 1a of the bathtub 1 by a suction cup 4.

4 to 6 show the internal structure of the bath water filtration device 2, FIG. 4 is an enlarged front view of a half section of the bath water filtration device 2, FIG. 5 is a longitudinal sectional view of FIG. 4, and FIG. 5 is a partially broken plan view of FIG. The bath water filtration device 2 includes a filter 6 for filtering the bath water W in a dipping case 5 dipped in the bath water and a bath water.
A circulating pump 7 for circulating W through the filter 6 to and from the bathtub 1 and an electric motor 8 for driving the circulating pump 7
The immersion case 5 has a circulation pump 7
A vertically long pump case 9 for housing the electric motor 8 and
A filter case 10 accommodates the filter 6 and is detachably attached to a lower end of the pump case 9 at one end in the longitudinal direction. The pump case 9 and the filter case 10 are each formed of a synthetic resin. Although the immersion case 5 is described in this embodiment as being entirely immersed in the bath water W, only the part on the filter case 10 side may be immersed in the bath water W for use.

The pump case 9 has a bottomed cylindrical pump case body 12 having an upper bottom wall 11 integrally formed and an open lower end.
And a lower bottom plate (bottom plate) 13 fixed to the lower end opening of the pump case body 12 and a discharge port plate 14 fixed to the lower center of the front side of the pump case body 12. The lower bottom plate 13 and the discharge port plate 14 are adhered to the pump case body 12, and the entire periphery of each is watertight, and the pump case
9 The whole structure is sealed.

As shown in FIG. 6, the pump case main body 12 has a front wall 15 and a side wall 16 curved in an arc shape, and a rear wall 17 formed flat. The upper bottom wall 11 has approximately one third of the rear side horizontal and approximately two thirds of the front side inclined obliquely downward. Ribs extending vertically on the inner surfaces of the front wall 15 and the rear wall 17
18 are formed. The lower bottom plate 13 has a peripheral wall 19 at a peripheral edge thereof, and a protruding edge 20 that fits with a lower edge of the pump case main body 12 at an inner peripheral side portion of the peripheral wall 19.

In the center of the lower part of the front wall 15, an inverted U-shaped notch
The discharge port plate 14 is fixed to the notch 21. The discharge port plate 14 has a plate-shaped main body 22 and a cylindrical portion 23.
Are formed integrally, and a peripheral groove 24 is formed on the outer periphery of the main body 22. The discharge port plate 14 is inserted into the notch 21 of the pump case body 12 from below, and the ridge 25 formed on the inner peripheral edge of the notch 21 fits into the circumferential groove 24, whereby the pump case body It is designed to be positioned at 12.

The pump case 9 includes a filter case 10
A suction port 26 is provided on the connection side of the pump case 9, and a discharge port 27 is provided on the front side of the pump case 9. The suction port 26 is formed in the lower bottom plate 13 so as to open to the filter case 10 side, and the discharge port 27 is formed to penetrate the discharge port plate 14 in the front-rear direction. The lower bottom plate 13 is integrally provided with a suction-side connecting portion 28 extending upward toward the inside of the pump case 9 so as to surround the suction port 26 (see FIG. 9).
Pump case from discharge port plate 14 to surround discharge port 27
A discharge-side connection portion 29 extending inward in the horizontal direction protrudes integrally. The discharge side connection portion 29 is constituted by a portion of the cylindrical portion 23 inside the pump case 9.

As the electric motor 8, a DC low voltage motor of about 24 VDC is used. The electric motor 8 is
A rotating shaft 30, a rotor 32 having a magnet 31 fixed to the rotating shaft, and a coil and 33 disposed on the outer periphery of the rotor 32 are provided in a cylindrical motor housing 34, and the rotating shaft 30 faces downward. It is arranged in the pump case 9 so that The circulation pump 7 is a centrifugal pump in which a rotor 38 is provided in a pump housing 37 having a suction port 35 and a discharge port 36, and the pump housing 37 is fixed below the motor housing 34, and the rotor 38 is It is integrated with the rotor 32 of the electric motor 7.

The suction port 35 of the pump housing 37 projects downward from the bottom surface of the pump housing 37 and is connected to the suction connection 28 of the lower bottom plate 13 via a connection hose 39. Also, the discharge port 36 of the pump housing 37
Protrudes from the outer peripheral side of the pump housing 37 toward the front side of the pump case 9, and is connected to the discharge side connection portion 29 of the discharge port plate 14 via a connection hose 40.

The suction port 35, the connection hose 39 and the suction connection 28 form a suction pipe 41, and the discharge port 36, the connection hose 40 and the discharge connection 29 form a discharge pipe 42. And the circulation pump 7
Although they are connected to the suction port 26 and the discharge port 27 via 41 and 42, the connection hoses 39 and 40 are not necessarily used,
The suction port portion 35 and the suction side connection portion 28 and the discharge port portion 36 and the discharge side connection portion 29 may be directly connected.

Motor housing 34 and pump housing 37
Between them, a cylindrical rotor concentric with the rotating shaft 30 of the motor 8
A peripheral wall 43 located between the coil 32 and the coil 33; an end plate 44 that closes an upper end of the peripheral wall 43 and is connected to the rotation shaft 30 of the motor 8; A partition member 46 integrally provided with a flange portion 45 bonded and fixed in a watertight state between the pump housing 37 and the motor housing 34 is provided. By using the partition member 46 integrally formed in this way, it is possible to eliminate the possibility of water leaking from the water passage of the circulation pump 7 to the coil 33 side of the electric motor 8.

A pump unit (connecting body) 47 connecting the electric motor 8 and the circulation pump 7 via a partition member 46 is
In the pump case 9, the circulation pump 7 is arranged along the longitudinal direction of the pump case 9 so that the circulation pump 7 is located on the filter case 10 side, and the discharge port 36 of the circulation pump 7 is connected to the discharge side connection portion 29. Pump case to match the axis
9, one side in the left and right direction is biased toward the rear wall 17. Pump case 9 with electric motor 8 and circulation pump 7
Since the pump case 9 is arranged along the longitudinal direction of the pump case 9, the pump case 9 can be downsized by effectively utilizing the volume of the vertically long pump case 9, and the circulation pump 7 and the filter 6 can be arranged close to each other.

The pump unit 47 includes a pair of upper and lower mounting plates 48 and 49 provided on one side of the electric motor 8 and a pair of fitting receivers 50 and 51 provided on the pump case 9 side. It is fixed to case 9. The mounting plates 48 and 49 include a first mounting plate 48 projecting upward from the upper end of the motor housing 34 so as to be located on the closed end (upper end) side of the pump case 9 in the pump unit 47, and a pump unit 47.
And a second mounting plate 49 protruding downward from the lower end of the motor housing 34 so as to be located on the open end (lower end) side of the pump case 9 in the first embodiment.
52,53 are provided.

Each of the fitting receivers 50 and 51 has a first fitting receiver 50 corresponding to the first mounting plate 48 and a second fitting receiver 50 corresponding to the second mounting plate.
Each of the mounting plates 48, 49
A pair of holding portions 54 and 55 for holding the
The recesses 52,5 of the mounting plates 48,49 are integrally formed between
3 and fitting projections 56 and 57 to be fitted. The first fitting receiver 50 is formed on the inside (lower surface) of the upper bottom wall 11 of the pump case 9 and faces downward, and the second fitting receiver 51 is formed on the pump case 9.
The lower bottom plate 13 is formed upward (inside).
Then, the first fitting receiver 50 is fitted to the first mounting plate 48 from above (closed side along the fitting direction of the lower bottom plate 13 to the pump case main body 12), and the second fitting receiving tool 51 is 2 is fitted to the mounting plate 49 from below (the opening side along the fitting direction of the lower bottom plate 13 to the pump case main body 12).

The mounting plates 48, 49 and the fitting receivers 50, 5
Reference numeral 1 denotes a first mounting plate 48 and a first fitting receiver 50 which are arranged at positions shifted forward and backward with respect to the axis of the electric motor 8.
Is located rearward of the axis (closer to the rear wall 17 of the pump case 9), and the second mounting plate 49 and the second fitting receiver 51 are positioned forward of the axis (closer to the front wall 15 of the pump case 9). It is located in.

In the above configuration, the pump unit 47 including the electric motor 8 and the circulating pump 7 is incorporated in the pump case 9 by connecting the first mounting plate 48 of the pump unit 47 to the first fitting receiving portion of the pump case body 12. After inserting it into the tool 50,
The second fitting receiver 51 of the lower bottom plate 13 and the second
Align the mounting plate 49 and lower the bottom plate 13 to the pump case body.
12 into the opening at the lower end of the
While the mounting plate 49 is inserted, the peripheral edge of the lower bottom plate 13 is fixed to the lower end of the pump case main body 12 with an adhesive or the like and sealed. At this time, the suction port 35, the connection hose 39, and the suction-side connection section 28 are connected at the same time, and the discharge port 36,
The connection hose 40 and the discharge side connection portion 29 are connected before that.

As described above, according to the above configuration, the pump unit 47 can be incorporated into the pump case 9 by a relatively simple operation, and the sealing of the pump case 9 can be easily performed by using an adhesive. it can. In the above configuration, the electric motor 8 is provided with a pair of mounting plates 48, 49, but the first mounting plate 48 on the upper side is connected to the electric motor 8 and the second mounting plate 48 on the lower side.
The circulating pump 7 may be provided with the circulating pump 7, or the circulating pump 7 may be provided with a pair of mounting plates 48 and 49 when the circulating pump 7 is heavier than the electric motor 8.

Further, each of the mounting plates 48, 49 may not necessarily have a flat plate shape as shown in the figure, but may be formed, for example, in a cylindrical shape so that the fitting receivers 50, 51 are fitted to the inner surface or outer surface of the cylinder. May be formed. Each of the mounting plates 48, 49 and the fitting receivers 50, 51 may have other shapes. In other words, the fitting plates 48, 49 may be fitted in the fitting direction of the lower bottom plate 13 with respect to the pump case body 12. The shape is arbitrary.

A waterproof power cable 58 is connected to the upper end of the electric motor 8. As shown in FIG. 7 which is an enlarged partial sectional view of the pump case 9, the power cable 58 passes through a cable insertion hole 60 of a cable draw-out recess 59 formed in the center of the rear end side of the upper bottom wall 11 of the pump case 9. It has been pulled out of the pump case 9. A cylindrical tube connecting portion 61 surrounding the cable insertion hole 60 is formed in the cable drawing recess 59, and the tube connecting portion 61 is formed.
Further, a protection tube 62 covering a power cable 58 is connected via a connection tube 63. Connecting tube 63
Are fixed to each of the tube connecting portion 61 and the protection tube 62 in an airtight manner with an adhesive. Note that the protection tube 62 is connected to the tube connection portion without using the connection tube 63.
It may be configured to directly connect to 61 in a watertight manner.

The protection tube 62 is not fixed to the power cable 58, and the power cable 58 is bundled when the bath water filtration device 2 is not used, or the plug at the end of the power cable 58 is connected to an outlet when used. When a part of the power cable 58 is bent at the time of connection, the deformation of the power cable 58 is not hindered. The protective tube 62 is formed to have a sufficient length of, for example, about 1.5 to 2 meters. When the bath water filtering device 2 is used, water travels along the inner surface of the protective tube 62 and the pump case 9 is closed.
I try not to get inside. In order to reliably prevent water droplets from entering the inside of the pump case 9, it is preferable to fill a gap between the power cable 58 and the cable insertion hole 60 with a sealing material.

After the internal mechanisms such as the electric motor 8 and the circulating pump 7 are installed in the pump case 9 configured as described above, the gap 64 between the inner surface of the pump case 9 and the internal mechanism is filled. As described above, the filler (not shown) of the synthetic resin is filled. By filling the gap 64 in the pump case 9 with the filler in this way, three effects of reducing the motor noise leaking to the outside, reinforcing the pump case 9, and improving the waterproofness of the electric motor can be obtained. As a filler for sealing the inside of the pump case 9, silicon rubber is suitable as a material having heat resistance enough to withstand heat generation of the motor. However, the pump case 9
A space may be left between the internal mechanism and the inside without filling the filler.

As shown in FIG. 8 (a), which is a partially detailed sectional view, and FIG. 8 (b), which is a partially cutaway plan view thereof, on the left and right sides near the rear end of the upper bottom wall 11 of the pump case main body 12. A through hole 65 for passing the hanging string 3 is formed so as to communicate from the upper bottom wall 11 to the side wall 16, and a knot 3a is formed at the tip of the hanging string 3 passed through the through hole 65 from above as shown in FIG. By forming, the pump case 9 and the hanging string 3 are integrated. In order to suspend the bath water filtration device 2 in the bathtub 1, a suspending tool 66 is fixed to the upper surface of the side wall 1a of the bathtub 1 as shown in FIGS. The hanging tool 66 has a hook portion 67 for hanging the hanging string 3 on the front edge of a substantially rectangular plate-like member, and the hook portion 67 projects inward from the side wall 1a of the bathtub. The bathtub 1 is fixed to the upper surface of the side wall 1a with an adhesive or the like.

At the lower end of the rear wall 17 of the rear wall 17 of the pump case 9, a bath water filtration device 2 suspended in the bathtub 1 is provided.
The suction cup 4 for sucking and fixing the position to the side wall 1a of
The bath water filtration device 2 is provided so as to be located substantially at the center in the height direction. The suction cup 4 connects two suction cups 68 and 69, each formed of an elastic material such as rubber, to a connector 70.
The one suction plate 68 is suctioned to the pump case 9, and the other suction plate 69 is suctioned to the side wall 1 a of the bathtub 1.

The filter case 10 is a pump case main body.
The filter case main body 71 has a bottomed cylindrical filter case main body 71 having substantially the same cross-sectional shape as 12 and an upper bottom plate (bottom plate) 72 fixed to the filter case main body 71. The filter case body 71 has an open end at the upper end (pump case 9 side) and a closed end at the lower end.
72 is fixed, and the bottom wall 73 at the lower end is rounded.

An exploded view of the filter case 10 is shown in FIG. 9, and a bottom view of the upper bottom plate 72 is shown in FIG. The upper bottom plate 72 has an upper wall 74 having substantially the same shape as the lower bottom plate 13 of the pump case 9 and a peripheral wall 75 formed at a peripheral edge thereof downward.
The lower end of the peripheral wall 75 of the upper bottom plate 72 and the filter case body 71
At the upper end of the peripheral wall 76, fitting walls 77, 78 which are fitted to each other with a thickness almost half of each peripheral wall 75, 76 are formed, and the inner surface of the fitting wall 77 of the upper bottom plate 72 located on the outer peripheral side is formed. A projection 79 is formed on the filter case main body 71 at the inner peripheral side.
A recess 80 is formed on the outer surface of the projection 78 so that the projection 79 can be engaged with the projection. A notch 81 is formed in the fitting wall 78 on the side of the concave portion 80 so that unnecessary force is not required when removing the upper bottom plate 72 from the filter case main body 71.

The filter case 10 has a cylindrical inlet 82 substantially at the center of the bottom wall 73, and the bath water W of the bathtub 1 flows into the filter case 10 from the inlet 82. On the other hand, the upper bottom plate 72 has a cylindrical insertion portion 83 removably fitted to the suction port 26 formed in the lower bottom plate 13 of the pump case 9 on the upper surface of the upper wall. Within
A communication port 84 communicating from the inside of the filter case 10 to the circulation pump 7 is formed.

On the lower surface of the upper wall 74 of the upper bottom plate 72, there are formed protrusions 85 protruding from the rear surface of the insertion portion 83. Openings communicating with the communication ports 84 are formed at three places on the side surfaces of the protrusions 85. 86 are formed. A projection 85 is provided on the lower surface of the upper wall 74 of the upper bottom plate 72.
A convex portion 87 for forming a gap between the upper bottom plate 72 and the filter 6 is formed around the filter. Convex part 87 is bath water W
Are formed so as to flow entirely through the inside of the filter case 10, and in the present embodiment, are formed as a plurality of ridges extending from the left-right direction and the front-back direction toward the opening 86 of the protruding portion 85.

The shape of the insertion portion 83 may be adjusted to the shape of the suction port 26 provided in the lower bottom plate 13 of the pump case 9.
For example, the suction port 26 can have a rectangular cross section, and the insertion portion 83 can also have a rectangular cross section. In addition, the convex portion 87 on the lower surface of the upper bottom wall 72 of the filter case 10 may be composed of, for example, a plurality of circular protrusions. In short, a gap is entirely formed between the lower surface of the upper bottom plate 72 and the filter 6. What is necessary is just to form.

The filter 6 is composed of two types of filters 88 and 89 arranged vertically along the flow direction of the bath water. Two types of filters, upstream (lower)
And a granular filter 89 disposed on the downstream side (upper side). The filter 6 is loaded so as to be able to be taken in and out of the filter case 10 from the opening at the upper end which is the connection side to the pump case 9.

The fiber filter 88 is for removing hair, scale, dust and the like contained in the bath water W, and has a net-like bag-like net 90 having a network structure of about 1 to 2 mm having water permeability and flexibility.
And a fiber layer 91 filled therein. The fibrous layer 91 is a collection of shrinked chemical fibers having a low specific gravity, hydrophobicity, and elasticity. For example, the fiber layer 91 has a low specific gravity and is excellent in hydrophobicity and elasticity, as well as abrasion resistance. A polypropylene fiber having excellent chemical resistance, corrosion resistance, and mold resistance can be used. The thickness of the fibers used in the fiber layer 91 is, for example, about 0.1 μm to 100 μm, and the fibers are filled in the net 90 in a state of being bulky and shrinking when collected. Instead of the fiber filter 88, a filter made of sponge or non-woven fabric may be used.

The particulate filter 89 is for decomposing and absorbing dirt, organic matter, odor and the like in the bath water and removing minerals to make the bath water weakly alkaline. Net 92 with the same structure as 90
And a large number of particulate filter materials 93 filled therein. For the filter material 93, a mixture of barley stone, natural zeolite, alumina, sand, etc. in a powder form is used.
It was made porous by sintering what was made into a spherical shape of about mm,
A far-infrared radiating ceramic ball or the like is used.

As shown in FIG. 9, in order to position the pump case 9 and the filter case 10, a circular concave portion 94 is formed on the lower surface of the lower bottom plate 13 of the pump case 9 so as to be depressed upward on the side of the suction port 26. And filter case 10
On the upper surface of the upper bottom plate 72, a convex portion 95 that fits into the concave portion 94 is formed. Note that the shapes of the concave portion 94 and the convex portion 95 may be arbitrarily determined as long as they are fitted to each other. Lower bottom plate
13 and the upper bottom plate 72 are positioned by fitting the suction port 26 and the insertion portion 83 with the concave portion 94 and the convex portion 95 at two places.

In the above configuration, the insertion portion 83 and the suction port
26 is used not only as a passage for bath water W but also for positioning the pump case 9 and filter case 10.
The structure of both cases 9, 10 can be simplified, and the cost can be reduced.

The pump case 9 and the filter case 10 are
The assembled state is held by the connector 96. Details of the structure are shown in FIG. 11 which is an enlarged sectional view, FIG. 12 which is a right side view thereof, and FIG. 13 which is a sectional view taken along line AA of FIG. The pump case 9 and the filter case 10 have mounting portions 97 and 98 for mounting the connecting tool 96, respectively, and the connecting tool 96 has the mounting portions 97 and 98 so as to prevent the pump case 9 and the filter case 10 from being detached. 98 are provided with engaging portions 99 and 100 for engaging with the engaging portion 98.

The connecting member 96 is a vertically-long rectangular flat plate member made of synthetic resin and having flexibility. The engaging portion 99 on the pump case 9 side has an upper end portion of the connecting member 96 in an inward hook shape. It is constituted by a hook portion 101 formed. The engaging portion 100 on the filter case 10 side has a substantially circular locking hole 102 formed at the lower end thereof, and a locking step 103 formed at the lower end on the inner surface side of the locking hole 102. It is composed of

The mounting portions 97 of the pump case 9 are provided on both left and right ends of the lower bottom wall 13. The mounting portion 97 is attached to the lower bottom wall 13
A hooking piece 105 is provided in a concave portion 104 formed in
The tip of the hooking portion 101 of the connecting tool 96 is engaged with the hooking piece 105. The mounting part 98 of the filter case 10 is attached to the left and right sides of the filter case body 71 by the pump case 9.
Is provided below the mounting portion 97 of the second member. The mounting portion 98 includes a circular projection 106 and a notch 107 formed on the inner surface of the lower end of the projection 106 so as to hang the locking step 103 of the connecting tool 96.

The connecting member 96 hangs the tip of the hooking portion 101 on the hooking piece 105 of the pump case 9 in a state where the pump case 9 and the filter case 10 are combined, and further pulls the lower end of the hooking portion downward to engage the locking step. The part 103 can be attached to the immersion case 5 by pushing it into the notch 107. At this time, the filter case 10 is not accidentally detached from the pump case 9, but the two cases 9, 10 are disassembled by pulling the lower end of the connecting member 96 while holding the locking step portion 10.
This can be easily performed by removing 3 from the notch 107.
In addition, the connecting tool 96 is engaged with both the mounting portions 97 on the pump case 9 side and the mounting portions 98 on the filter case 10 side by the engaging portions 99 and 1.
It is not necessary to make 00 detachable.
If one of 00 is detachable, the other may be fixed.

As described above, since the pump case 9 and the filter case 10 are attached using the connecting member 96, the two cases 9, 10 can be easily attached and detached. In addition, by using the connecting tool 96, both cases 9, 10
Since the mounting structure can be simplified, the manufacturing cost does not increase.

Next, a method of using the bath water filtering apparatus 2 having the above-described configuration will be described. First, prior to use of the bath water filtration device 2, the hanging tool 66 is fixed to the upper surface of the side wall 1a of the bathtub 1 using an adhesive so that the hook portion 67 protrudes inward from the side wall 1a of the bathtub 1. Further, the hanging string 3 is passed through the through hole 65 of the pump case 9, and the knot 3 a is formed on the hanging string 3 while adjusting the length of the hanging string 3 according to the hanging position of the bath water filtration device 2.

Next, the hanging string 3 is hung on the hook 67 of the suspending tool 66, and then the suction cup 4 is pressed against the side wall 1a of the bathtub 1 to be adsorbed, whereby the water filtration device 2 in the bathtub 1 is turned on. Determine the position. After that, when the bath water W is put into the bath tub 1 until the whole of the bath water filtration device 2 is immersed in the bath water W, the bath water W passes through the filter case 10 from the inflow port 82 and enters the circulation pump 7. Filled and ready for operation.
The bath water filtration device 2 may be fixed to the side wall 1a of the bath tub 1 by using the hanging string 3 and the suction cup 4 after the bath water W is put into the bath tub 1.

On the other hand, when removing the bath water filtration device 2 from the bathtub 1, the suction cup 4 can be removed from the side wall 1a of the bathtub 1 and the hanging string 3 can be easily removed from the hanging tool 66.
When changing the mounting height of the bath water filtration device 2 in 1,
This can be easily performed by changing the position of the knot 3a of the hanging string 3 to adjust its length, or by changing the hanging string 3 itself.

This bath water filtration device 2 connects the circulating pump 7 in the pump case 9 to the suction port 26 and the discharge port 27 of the pump case 9 via the suction side pipe 41 and the discharge side pipe 42. This makes the pump case 9 a closed structure, so that the bath water filtration device 2 can be immersed in the bath water while the bath water is being immersed in the coil 33 of the electric motor 8 in the pump case 9 even though it is a simple structure. W can be reliably waterproofed without intrusion of W. Also, unlike the related art, the rotating shaft 30 of the electric motor 8 is not configured to protrude from the motor chamber, so that a special water-sealed bearing or the like is not required, and the waterproof performance due to wear of the bearing portion is not required. There is no danger of lowering.

Next, when the electric motor 8 is started in the bath water filtration device 2, the rotor 38 of the circulating pump 7 connected to the rotating shaft 30 starts rotating. Then bathtub 1
The bath water W is sucked into the filter case 10 from the inlet 82, and furthermore, from the suction port 26 of the pump case 9,
It is returned to the bathtub from the discharge port 27 via 41 and 42. At this time, hair, dust, etc. contained in the bath water W are removed from the bath water W when the bath water W passes through the filter, and the filtered bath water is removed.
Since W is returned into the bathtub 1, the entire bath water W can be cleaned.

A convex portion 87 is provided on the lower surface of the upper bottom plate 72 of the filter case 10 so that the filter 6 does not adhere to the upper bottom plate 72.
When the bath water flows inside, the flow is smooth. Since the filtered bath water W is ejected from the discharge port 27 into the bathtub 1, the bath water filtering device 2 reacts by the reaction force to the side wall of the bathtub 1.
Pressed to 1a. Therefore, it is possible to prevent a problem that the suction force of the suction cup 4 is weakened during use of the bath water filtration device 2 and the suction cup 4 comes off the side wall 1a of the bathtub 1.

On the other hand, when the bath water filtration device 2 is used, dust such as hair adheres to the filters 88 and 89,
An operation of regularly cleaning the filters 88 and 89 to remove those stains is performed. In addition, since large dust such as hair adheres to the fiber filter 88, which is the filter on the upstream side, it is necessary to wash about once a day or two days.
The granular filter 89, which is a filter on the downstream side, does not adhere to large dust, so that it may be washed about once a month.

When cleaning the filters 88 and 89, first, the lower ends of the right and left connecting members 96 are pulled obliquely downward while supporting the filter case 10 from below by hand, so that the locking step 103 is cut by the projection 106 of the filter case 10. Remove from chip 107,
The filter case 10 in which the insertion portion 83 and the projection 95 of the upper bottom plate 72 are fitted to the suction port 26 and the recess 94 of the lower bottom plate 13 of the pump case 9 is pulled downward from the pump case 9 and out of the bathtub 1. Take out. And put the upper bottom plate 72 on the filter case body
Remove it from 71 and take out filter 6 from inside filter case body 71.

The fiber filter 88 can be easily washed by removing large trash such as hair while keeping it in the net 90 and then rubbing it with a detergent, but it can also be washed using a washing machine. . The granular filter 89 can be washed by rubbing it with tap water while in the net 92. Filters 88 and 89 are for filter case 10
Can be easily removed from the pump case 9, so that the pump can be easily cleaned. If the filter case body 71 is dirty, remove the filters 88 and 89 inside and clean it with a sponge.In this case, the upper end of the filter case body 71 is open, so it is easy to clean. can do.

When the washing is completed in this manner, the fiber filter 88 and the granular filter 89 are returned in order in the filter case main body 71, and then the upper bottom plate 72 is attached to the filter case main body 71. Can be easily assembled using the connector 96.

As described above, in the bath water filtering device 2, the filter case 10 can be easily attached to and detached from the pump case 9 while the pump case 9 is attached to the side wall 1a of the bathtub 1. The filter case 10 can be easily washed. Further, since there is no need to take out the bath water filtration device 2 itself from the bath tub 1, the filters 88, 89 and the filter case 10 can be easily washed even during bathing.

The bath water filtration device 2 is provided with an immersion case.
5 has a rounded shape as a whole, so it is safe even if bathers touch it.
Even when the pump 10 is removed, there is nothing protruding from the lower surface of the pump case 9 and the lower surface is almost flat.Therefore, when cleaning the filters 88 and 89 during bathing, the bather hands or removes the bath water filtration device 2. There is no risk of getting caught.

Next, a second embodiment shown in FIGS. 14 to 16 will be described. In this embodiment, only the structure of the filter case 110 is the same as the filter case of the first embodiment.
It is different from 10 and is characterized in that a stake 111 is provided between a fiber filter 88 on the upstream side (lower) and a granular filter 89 on the downstream side (upper).

FIG. 14 is a vertical cross-sectional view of the filter case 110, FIG. 15 is a plan view of the Uminoko 111, and FIG. 16 is a vertical cross-sectional view of the filter case 110 in an exploded state. Uchinoko 11
Reference numeral 1 denotes a flat plate-shaped member which is formed so as to be loosely fitted into the filter case 110.
2 are formed, and a large number of bath water passage holes 113 are formed on almost the entire surface except for the positioning holes 112.

[0062] The filter case 110 is configured to hold a porcup 111 between the filter case main body 114 and the upper bottom plate 115. The filter case body 114 includes a total of 6 support pieces 116 and 117 for
Positioning projections 118 are formed at the tips of four supporting pieces 116 located on the left and right sides of the filter case main body 114 so as to fit into the positioning holes 112 of the lantern 111. The upper bottom plate 115 is the filter case body
Holding pieces 119 are provided at six positions corresponding to the supporting pieces 116 and 117 to hold the supporting pieces 116 and 117 from above, and the holding piece 111 is held between the supporting pieces 116 and 117 and the holding piece 119 while being sandwiched from above and below. It has become.

As described above, the provision of the cage 111 between the fiber filter 88 and the granular filter 89 allows the granular filter 89 to be provided.
Because the weight of the fiber filter 88 does not cover the fiber filter 88, the fiber filter 88 is not compressed and the fiber spacing does not locally decrease, and the bath water passes evenly through the fiber filter 88, so that the filtration performance is stabilized. Can be. In addition, the load on the circulation pump 7 increases when the spacing between the fibers becomes smaller. However, the provision of the sash 111 can prevent such a problem from occurring.

It should be noted that the present invention is not limited to the above embodiment, but can be implemented in other various modes. For example, when the bath water filtration device 2 is mounted in the bathtub 1 and the amount of the bath water W is small, the bath water filtration device 2 may be mounted obliquely. Since the bath water filtration device 2 is used by immersing it in the bath water W, the electric motor
As described above, it is desirable to use a DC motor of about 24 V DC as described above, but the present invention is not limited to this. In addition, a simple non-displacement type pump is used for the circulation pump 7, A shaped pump may be used.

[0065]

According to the immersion type bath water filtration device of the present invention, the immersion case 5 accommodates the pump case 9 accommodating the circulating pump 7 and the electric motor 8 and the filter 6 and is detachable from the pump case 9. And a filter case 10 attached to the pump case 9.
The filter 6 can be easily inserted and removed from the connection side with the filter case, so that the filter 6 can be easily attached to and detached from the pump case 9 together with the filter case 10.
6 and the filter case 10 can be easily washed.

The pump case 9 has a hermetically sealed structure, and a suction port 26 is provided on the connection side of the pump case 9 with the filter case 10, and a discharge port 27 is provided on the front side of the pump case 9. 9 is connected to the suction port 26 and the discharge port 27 via conduits 41 and 42, so that the electric motor 8 has a simpler structure than the conventional double structure.
Side can be reliably prevented, and can be manufactured easily and inexpensively. In addition, since the electric motor 8 and the circulation pump 7 are hermetically sealed in the pump case 9, a special water-sealed bearing is not required, which not only reduces the manufacturing cost but also improves the durability. I do.

Further, the filter case 10 is composed of a filter case main body 71 and a bottom plate 72 detachably mounted on the pump case 9 side of the filter case main body 71, and is attached to and detached from the suction port 26 on the bottom plate 72. By providing an insertion portion 83 that can be freely fitted, and by providing a communication port 84 that communicates from the inside of the filter case 10 to the circulating pump 7 side, the insertion portion 83 has a positioning function with respect to the pump case 9. Since the bath water W is supplied from the filter case 10 into the pump case 9 using the part 83, the connection structure between the pump case 9 and the filter case 10 can be simplified, and the bath water filtering device 2 Can be manufactured at low cost.

Further, the bottom plate 72 and the filter 6
A convex portion 87 forming a gap therebetween, and a projecting portion 85 protruding on the back side of the insertion portion 83 are provided, and an opening 86 communicating with the communication port 84 is provided on a side surface of the projecting portion 85, Since the bath water W flows from the gap formed between the bottom plate 72 and the filter to the communication port 84 through the opening 86, the flow of the bath water W in the filter case 10 can be stabilized.

Further, the filter case 10 is detachably mounted on one end of the pump case 9 in the longitudinal direction, and the circulating pump 7 and the electric motor 8 are connected inside the pump case 9 to the filter case 10 side. Since it is located along the longitudinal direction of the pump case 9 so that it can be located, the filter 6 and the circulation pump 7 can be arranged close to each other, and the volume efficiency inside the pump case 9 is increased to reduce the size of the pump case 9 It becomes possible to do.

Further, the pump case 9 is connected to the bottom wall 11 at one end.
And a bottom plate 13 tightly fitted to the open end of the other end of the pump case main body 12, and is connected to the electric motor 8 and the circulation pump 7. First and second mounting plates 48, 49 are provided on the closed end side and the open end side of the pump case 9 of the body 47, and from the closed end side in the fitting direction of the bottom plate 13 to the first mounting plate 48. A first fitting receiver 50 to be fitted is provided inside the bottom wall 11 on the closed end side of the pump case 9 and is fitted to the second mounting plate 49 in the fitting direction of the bottom plate 13 from the opening end side. Since the second fitting receiver 51 is provided inside the bottom plate 13 on the opening end side of the pump case 9, the electric motor 8 and the circulation pump 7 can be easily incorporated in the pump case 9.

Further, mounting portions 97 and 98 are provided on the pump case 9 and the filter case 10, respectively.
Each mounting part to prevent the filter case 10
Since the connector provided with the engaging portions 99 and 100 that engage with the 97 and 98 is mounted on each of the mounting portions 97 and 98 such that at least one of the engaging portions 99 and 100 is detachable, the pump The case 9 and the filter case 10 can be easily attached and detached.

Further, the filter 6 is composed of two or more types of filters 88 and 89 arranged along the flow direction of the bath water W, and a filter 111 is disposed between the upstream filter 88 and the downstream filter 89. When a filter such as a heavy-weight particulate filter 89 is positioned above a filter such as a light-weight fiber filter 88, the weight of the particulate filter 89 or the like acts on the fiber filter 88 or the like to improve the filtration performance. Fall can be prevented.

Further, a gap 64 between the inner surface of the pump case 9 and the internal mechanism of the pump case 9 is provided in the pump case 9.
Since the synthetic resin filler that satisfies is satisfied, the operation noise can be reduced, the pump case 9 can be reinforced, and the waterproof property can be improved.

Further, the side wall 1 a of the bathtub 1 is placed in the immersion case 5.
A hanging string 3 to be hung on a hanging tool 66 fixed to the upper surface of the
A suction cup 4 is attached to the inner surface of the side wall 1a of the bathtub 1 so that the bath water filtration device 2 can be easily attached to and detached from the bathtub 1, and the height of the bath water filtration device 2 in the bathtub 1 can be reduced. Is a hanging string
It can be easily changed by adjusting the length of 3.

[Brief description of the drawings]

FIG. 1 is a use state diagram showing a state in which a immersion type bath water filtration device according to a first embodiment of the present invention is attached to a bathtub.

FIG. 2 is an enlarged front view of the immersion type bath water filtration device of FIG.

FIG. 3 is a partially enlarged view of FIG. 1;

FIG. 4 is an enlarged front view of a half section of the immersion type bath water filtration device of FIG. 1.

FIG. 5 is a longitudinal sectional view of FIG.

6 is a partially broken plan view of FIG.

FIG. 7 is an enlarged partial sectional view showing a structure of a power cable lead-out portion of the immersion type bath water filtration device of FIG. 1;

8 (a) is a partially detailed sectional view showing a structure of a through-hole for a hanging string of the immersion type bath water filtration device of FIG. 1, and FIG. 8 (b) is a partially cutaway plan view of FIG. is there.

FIG. 9 is an exploded sectional view of a filter case of the immersion type bath water filtration device of FIG.

FIG. 10 is a bottom view of the upper bottom plate of the filter case.

FIG. 11 is an enlarged sectional view showing a detailed structure of a connecting portion between the pump case and the filter case.

FIG. 12 is a right side view of FIG.

FIG. 13 is a sectional view taken along line AA of FIG.

FIG. 14 is a longitudinal sectional view of a filter case of the immersion type bath water filtration device according to the second embodiment of the present invention.

FIG. 15 is a plan view of a shirako used in the immersion type bath water filtration device of FIG. 14;

FIG. 16 is a longitudinal sectional view of a state where a filter case of the immersion type bath water filtration device of FIG. 14 is disassembled.

[Description of sign]

 1 Bathtub 2 Immersion type bath water filtration device 3 Suspension cord 4 Suction cup 5 Immersion case 6 Filter 7 Circulation pump 8 Electric motor 9 Pump case 10 Filter case 11 Upper bottom wall (bottom wall) 12 Pump case body 13 Lower bottom plate (bottom plate) 26 Suction port 27 Discharge port 41,42 Pipe line 47 Pump unit (connector) 48 First mounting plate 49 Second mounting plate 50 First fitting receiver 51 Second fitting receiver 64 Gap 66 Hanging tool 71 Filter case Main unit 72 Upper bottom plate (bottom plate) 83 Insertion part 84 Communication port 85 Projection part 86 Opening 87 Convex part 88 Fiber filter 89 Granular filter 96 Connector 97,98 Mounting part 99,100 Engagement part 111 Uminoko W Bath water

Claims (10)

[Claims] 1. A filter (6) for filtering bath water (W) in an immersion case (5) immersed in bath water (W) in a bathtub (1).
A circulating pump (7) for circulating bath water (W) through a filter (6) to and from the bathtub (1), and an electric motor (8) for driving the circulating pump (7). In the bath water filtration device, the immersion case (5) includes a circulation pump (7) and an electric motor.
(8) Pump case (9) and filter (6)
And a filter case (10) detachably attached to the pump case (9) .The filter case (10) allows the filter (6) to be freely inserted and removed from the connection side with the pump case (9). An immersion type bath water filtration device characterized by being constituted. 2. A pump case (9) having a sealed structure, a suction port (26) on a connection side of the pump case (9) with a filter case (10), and a discharge port on a front side of the pump case (9). (2
7), and the circulation pump (7) is connected to the pipeline in the pump case (9).
2. The immersion type bath water filtration device according to claim 1, wherein the suction port (26) and the discharge port (27) are connected via (41) and (42). 3. The filter case (10) includes a filter case main body (71) and a bottom plate (72) detachably mounted on the pump case (9) side of the filter case main body (71). The bottom plate (72) is provided with an insertion portion (83) removably fitted to the suction port (26), and the insertion portion (83) is provided with a circulation pump (7) from inside the filter case (10). Communication port communicating with the side
The immersion type bath water filtration device according to claim 2, comprising (84). 4. The bottom plate (72) protrudes to the back side of the insertion portion (83), with a projection (87) forming a gap between the bottom plate (72) and the filter (6). An opening (86) communicating with the communication port (84) on a side surface of the projection (85).
The immersion type bath water filtration device according to claim 3, further comprising: 5. A filter case (10) is detachably attached to one longitudinal end of a pump case (9).
Connect the circulation pump (7) and electric motor (8) to the pump case (9).
5. The device according to claim 1, wherein the circulating pump is arranged along a longitudinal direction of the pump case so that the circulating pump is located on the filter case side. 6. Bath water filtration equipment. 6. A pump case (9) having a bottomed cylindrical pump case body (12) one end of which is closed by a bottom wall (11) and an open end of the other end of the pump case body (12). A bottom plate (13) fitted in a hermetically sealed manner is provided, and a first (47) connecting body (47) between the electric motor (8) and the circulating pump (7) is provided on the closed end side and the open end side of the pump case (9). , A second fitting plate (48), (49), and a first fitting receiver (50) fitted to the first mounting plate (48) in the fitting direction of the bottom plate (13) from the closed end side. ) Is provided inside the bottom wall (11) on the closed end side of the pump case (9), and is fitted to the second mounting plate (49) in the fitting direction of the bottom plate (13) from the opening end side. The immersion bath according to any one of claims 1 to 5, wherein the second fitting receiver (51) is provided inside the bottom plate (13) on the opening end side of the pump case (9). Water filtration device. 7. A pump case (9) and a filter case (1).
(0) are provided with mounting parts (97) and (98) respectively.
(9) A coupling tool (96) having an engaging portion (99) (100) engaging with each mounting portion (97) (98) so as to prevent detachment of the filter case (10), 7. The mounting part according to claim 1, wherein at least one of the engaging parts is detachably attached to the mounting part. Bath water filtration equipment. 8. The filter (6) is composed of two or more types of filters (88) (89) arranged along the flow direction of the bath water, an upstream filter (88) and a downstream filter (88). The immersion type bath water filtration device according to any one of claims 1 to 7, further comprising a cage (111) between (89). 9. The pump case (9) is filled with a synthetic resin filler which fills a gap (64) between an inner surface of the pump case (9) and an internal mechanism of the pump case (9). The immersion type bath water filtration device according to any one of claims 1 to 8, wherein: 10. A hanging string (3) to be hung on a hanging tool (66) fixed to the upper surface of the side wall (1a) of the bathtub (1), and a side wall (1) of the bathtub (1). 1a) suction cup adsorbed on the inner surface
(4) The immersion type bath water filtration device according to any one of claims 1 to 9, comprising: