JPH05161808A - Fur collecting filter device of bathtub - Google Patents

Abstract

PURPOSE:To facilitate execution by dispensing with the piping between a fur collecting cylinder and a filter container. CONSTITUTION:A filter container 4 opened at its upper end and having an outlet 3 provided to the lower part thereof is attached to the upper end of the side wall 2 of a bathtub 1. A filter 6 is attached to one end part of a fur collecting cylinder 5 bent in an inverted U-shape and the fur collecting cylinder 5 is attached to the filter container 4 by inserting said end part of the cylinder 5 in the upper opening of the filter container 4. The suction port 7 provided to the other end part of the fur collecting cylinder 5 is positioned under the surface of the water in the bathtub 1 and the outlet 3 of the filter container 4 is connected to a suction device. Since the fur collecting cylinder 5 is directly connected to the filter container 4, the piping between the fur collecting cylinder 5 and the filter container 4 is dispensed with.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dirt collecting filter device used for collecting dirt and hair from hot water in a bathtub.

[0002]

2. Description of the Related Art When taking a bath, dirt and hair are often floated on the water surface in the bathtub 1, which may cause discomfort to a person who takes a bath next time. For this purpose, a dirt collecting cylinder 5 for sucking hot water in the bathtub 1 to collect dirt and a filter container 4 for collecting dirt and hair by filtering the hot water sucked by the dirt collecting cylinder 5 are collected. Various collecting and filtering devices have been proposed by the applicant.

FIG. 3 shows an example of the bathtub 1
The dust collecting cylinder 5 is attached to the inner surface of the side wall 2 of the
A filter container 4 having a built-in filter is attached to the flange 9 at the upper end of the filter, the dust collecting cylinder 5 is connected to the filter container 4 by a suction pipe 10, and the filter container 4 is a return pipe 37 and a suction device such as a pump. Connected to. In this device, the suction device is operated to suck hot water from the dust collecting cylinder 5 into the filter container 4 through the suction pipe 10, and the dust in the filter container 4 is filtered to collect dust and hair. However, hot and cold water obtained by filtering and cleaning dirt and hair is returned to the bathtub 1 through the return pipe 13.

[0004]

However, in FIG. 3, since the filter container 4 and the dust collecting cylinder 5 are formed separately, the dust collecting cylinder 5 is attached to the filter container 4 by the suction pipe 13. There was a problem that it was necessary to connect and piping had to be done between the dust collecting cylinder 5 and the filter container 4, and the construction was troublesome.

The present invention has been made in view of the above points, and it is an object of the present invention to provide a dust collecting filter device for a bathtub which does not require piping between the dust collecting cylinder and the filter container and which can be easily constructed. It is intended.

[0006]

In a bath dust collecting filter device according to the present invention, a filter container 4 having an upper surface opened and an outlet 3 provided at a lower portion is attached to an upper end of a side wall 2 of a bath 1.
The filter 6 is attached to one end of the dirt collecting cylinder 5 that is bent in an inverted U shape, and this end of the dirt collecting cylinder 5 is inserted into the filter container 4 through the opening on the upper surface, and the other end of the dirt collecting cylinder 5 is attached. The suction port 7 at the end of is located below the water surface of the bathtub 1, and the outlet 3 of the filter container 4 is connected to the suction device 8.

[0007]

A filter container 4 having an open top and an outlet 3 at the bottom is attached to the upper end of the side wall 2 of the bath 1, and a filter 6 is attached to one end of a dust collecting cylinder 5 which is bent in an inverted U shape. Since this end portion of the dust collecting cylinder 5 is inserted into the filter container 4 through the opening on the upper surface, the dust collecting cylinder 5 is directly connected to the filter container 4, so that the dust collecting cylinder 5 is connected. It is not necessary to provide piping between the filter container 4 and the filter container 4.

[0008]

EXAMPLES The present invention will be described in detail below with reference to examples. As shown in FIG. 1, the dust collecting filter device is configured to include a filter container 4 and a dust collecting cylinder 5, and an outlet is provided at a lower end of the filter container 4 formed in a substantially cylindrical shape with an upper surface opened. 3 is provided so as to project downward in a cylindrical shape. A locking collar 11 is provided on the outer periphery of the upper part of the filter container 4 so as to project laterally. This filter container 4 is a bathtub 1
It is attached to the upper end of the side wall 2 of, for example, the flange 9. That is, the flange 9 is provided with a mounting hole 22 that opens vertically, and the upper end of the filter container 4 is inserted into the mounting hole 22 from the lower side of the flange 9 and the locking collar 11 is abutted on the lower surface of the flange 9 through the packing 23. By contacting them and screwing a tightening nut 25 into a male screw on the outer periphery of the upper end of the filter container 4, the filter container 4 is inserted into the bath 1 so that the opening on the upper surface of the filter container 4 is exposed on the upper surface of the flange 9. It is attached to the flange 9 of the side wall 2.

The dirt collecting cylinder 5 is formed as a bent tube bent in a substantially inverted U shape, and one end of the dirt collecting cylinder 5 is formed as a cylindrical filter mounting cylinder 41. The filter 6 is attached to the tip of the filter attachment cylinder portion 41. The filter 6 is formed by providing a plurality of windows 13 on the side surface of a bottomed cylinder 12 having a substantially inverted frusto-conical shape with an open upper surface made of resin, and attaching a metal mesh 14 to each window 13 to attach it. A locking brim piece 15 is provided on the outer periphery of the upper end of the cylinder 12 in a protruding manner. Reference numeral 16 is a ring-shaped filter fixture having an O-ring 17 attached to the outer periphery,
The filter 6 is inserted into the filter fixing tool 16 to lock the locking brim piece 15 in the locking recessed step portion 18 on the inner circumference of the filter fixing tool 16, and the lower end of the filter mounting cylinder portion 41 of the dust collecting cylinder 5. Filter fixture 16 on the external male thread
The filter 6 is attached so as to close the opening at the lower end of the dust collecting cylinder 5 by screwing the female screw on the inner periphery of the filter 6. Since the filter 6 can be integrated with the dust collecting cylinder 5 as described above, the number of parts can be reduced and the filter can be made compact.

The filter mounting cylinder portion 41 of the dust collecting cylinder 5
A locking brim 42 is projected from the upper end of the O-ring 2 on the outer periphery of the filter mounting cylinder 41 below the locking brim 42.
1 is attached. The dust collecting cylinder 5 is attached by inserting the filter mounting cylinder portion 41 into the filter container 4 through the opening on the upper surface thereof, and is rotatable in the horizontal direction and removable. Here, the O-rings 17 and 21 ensure a seal between the filter mounting cylinder 41 and the filter container 4, and allow the dust collecting cylinder 5 to be smoothly rotated and removed.

The other end of the dirt collecting cylinder 5 is provided with a guide cylinder 43 which projects downward so as to enter the bathtub 1.
The inner diameter of the guide tube portion 43 is made slightly smaller than that of the dust collecting tube 5 so that the locking step portion 44 is provided at the upper end of the guide tube portion 34, and the lower end of the guide tube portion 43 is opened. Further, a plurality of vertically long slit-shaped suction ports 7 are provided on the side surface of the guide tube portion 43. This guide tube portion 43
A slide tube piece 45 having an outer diameter slightly smaller than the inner diameter of the guide tube portion 43 is vertically slidably mounted therein, and the slide tube piece 45 has an upper end opened and an outer diameter at the lower end smaller than the inner diameter of the guide tube portion 43. A slightly smaller hollow ring-shaped or disk-shaped float 46 is attached. A locking projection 47 is provided on the outer periphery of the upper end of the slide cylinder 45, and a slit-shaped hot and cold water inlet 48 is provided at the lower end. The guide cylinder portion 43 at the tip of the dust collecting cylinder 5 projects below the surface of the hot water in the bathtub 1, and the hot water in the bathtub 1 flows into the guide cylinder portion 43 from the suction port 7. The slide cylinder 45 is floated above the water surface by the float 46. The weight and the buoyancy of the float 46 are set so that the hot water inlet 48 at the lower end of the slide cylinder 45 is always located near the water surface. is there.

FIG. 2 shows a piping system of the bathtub 1 in which the dust collecting filter device is provided. The flange 9 on the side opposite to the side of the bathtub 1 on which the filter container 4 is attached.
A pump operating switch 28 and an air inhaler 29 are attached to this. A suction pipe 31 is connected between a pump 27 electrically connected to the pump operation switch 28 and a suction port 30 provided on the side wall of the bathtub 1, and a plurality of discharge pipes 32 are led out from the pump 27. The discharge branch pipes 33 are branched and connected to the nozzles 34 provided in the bath 3. With this pump 27, the suction device 8 in the present invention
Are formed. Further, an air suction pipe 35 is led out to the air suction device 29, and a tip of the air suction pipe 35 is branched into a plurality of air branch pipes 36, and each air branch pipe 36 is connected to each of the discharge branch pipes 33. It is connected. One end of a return pipe 37 is connected to the outlet 3 of the filter container 4, and the other end of the return pipe 37 is connected to the air suction pipe 35.

Therefore, in the bathtub 1 formed as shown in FIG. 2, the pump 27 is operated by operating the pump operating switch 28.
When hot water is drawn in, the hot and cold water in the bathtub 1 is sucked from the suction port 30, and the hot and cold water is sent to the nozzle 34 through the discharge pipe 32 and the discharge branch pipe 33. In this way, the branch discharge pipe 33 is provided by the Venturi effect when hot water passes through the branch discharge pipe 33.
The inside of the air branch pipe 36 and the air suction pipe 35 connected to the negative pressure state becomes a negative pressure state, air is sucked into the air suction pipe 35 from the air suction device 29, and is supplied from the air branch pipe 36 to the discharge branch pipe 33. .. Therefore, the hot water and the water mixed with air will be ejected from the nozzle 34 into the bathtub 3. At this time, if the air suction device 29 is closed to prevent air from being sucked into the air suction pipe 35, the return pipe 37 connected to the air suction pipe 35 becomes negative pressure and the dust collecting cylinder 5 also becomes negative pressure. Then, the hot and cold water in the bathtub 1 passes through the suction port 7 of the guide cylinder piece 43, flows into the slide cylinder piece 45 from the hot and cold water inlet 48, and is sucked into the dirt collecting cylinder 5. The hot and cold water sucked inside reaches the filter 6 through the filter mounting cylinder 41,
When passing through the mesh 14 of the above, it is filtered to remove dirt and hair in hot and cold water. And filter 6 like this
The hot water purified in (1) passes through the return pipe 37 from the outlet 3 of the filter container 4, flows into the air suction pipe 35, and is discharged from the nozzle 34 into the bath 1 through the air branch pipe 36 and the discharge branch pipe 33. It is a thing. Here, since the slide cylinder piece 45 slides up and down in the guide cylinder portion 43 by the action of the float 46 so that the hot and cold water inlet 48 is always located near the water surface, even if the water surface in the bathtub 1 changes. According to the change, the slide cylinder piece 45 slides up and down, and hot water near the water surface is sucked from the hot water inlet 48.
Therefore, dirt and hair floating on the water surface can be efficiently sucked in together with hot water, and the dirt and hair can be efficiently removed by the filter 6.

In order to clean the filter 6 when removing dirt, hair, etc. with the filter 6 as described above, the dirt collecting cylinder 5 is pulled and the filter mounting cylinder portion 41 is pulled out from the filter container 4 together with the filter 6. It can be done by Further, at this time, the filter fixture 16 is unscrewed from the dust collecting cylinder 5 to disassemble the filter 6, so that the inside of the filter 6 can be cleaned with a brush or the like. Filter 6 like this
Maintenance can be facilitated because cleaning can be performed easily. Further, when the dirt collecting cylinder 5 is not rotated, the dirt collecting cylinder 5 is rotated so that the guide cylinder portion 43 follows the inner surface of the side wall 2 of the bathtub 1. You can prevent it from protruding so that it does not get in the way.

[0015]

As described above, according to the present invention, a filter container having an open top and an outlet at the bottom is attached to the upper end of the side wall of the bathtub, and is attached to one end of the dirt collecting cylinder that is bent in an inverted U shape. Attach the filter and insert this end of the dirt collecting cylinder into the filter container from the opening on the top side, and place the suction port at the other end of the dirt collecting cylinder below the water surface of the bathtub.
Since the outlet of the filter container is connected to the suction device,
Since the dirt collecting cylinder is directly connected to the filter container, there is no need to provide piping between the dirt collecting cylinder and the filter container, and the construction becomes easy.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view showing the overall configuration of the above.

FIG. 3 is a schematic sectional view of part of a conventional example.

[Explanation of symbols]

 1 Bathtub 2 Sidewall 3 Outlet 4 Filter container 5 Dust collecting cylinder 6 Filter 7 Suction port 8 Suction device

Claims (1)

[Claims] 1. A filter container having an open top and an outlet at the bottom is attached to the upper end of the side wall of the bathtub, and the filter is attached to one end of the dirt collecting cylinder that is bent in an inverted U shape and the dirt collecting cylinder is Insert this end into the filter container by inserting it from the top opening, place the suction port at the other end of the dust collecting cylinder below the water surface of the bath, and connect the outlet of the filter container to the suction device. A characteristic device for collecting dust in bathtubs.