JP2003010839A - Water cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water cleaner hard to make the adhesion of stains occur and easy in daily cleaning. SOLUTION: At least one member constituting the outer surface of the water cleaner is constituted of stainless steel, ceramic or a fluoroplastic resin or at least a part of the outer surface of the water cleaner is covered with stainless steel, ceramic, fluoroplastic resin or a film.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier that is resistant to adhesion of stains such as water stains and detergents.

[0002]

2. Description of the Related Art Conventionally, water purifiers such as casings containing filter media and nuts for mounting on faucets are molded from plastic such as ABS resin. , Miscellaneous bacteria may propagate depending on the atmosphere in which the water purifier is installed. Further, it is very complicated to remove the water purifier and wash it on a daily basis, but if left for a while, there is a problem that water stains, oil components, miscellaneous bacteria, etc. will stick and cannot be easily removed. Also, for example, if dirt attached to the faucet is rubbed with detergent with a water purifier attached to the faucet, the casing, mounting nut, etc. may be damaged depending on the type of detergent, casing, and mounting nut chemical resistance. You will have to replace it with a new one.

[0003]

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide a water purifier in which dirt is unlikely to adhere and which can be easily cleaned on a daily basis.

[0004]

In order to achieve the above object, the present invention is characterized by a water purifier in which at least one member constituting the outer surface is made of stainless steel, ceramics or fluorine resin. . Further, the present invention features a water purifier in which at least a part of the outer surface is coated with stainless steel, ceramics, or fluorine resin. Furthermore, the present invention features a water purifier in which at least a part of the outer surface is covered with a film. And it is preferable that these water purifiers are of a direct connection type.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION A water purifier according to an embodiment of the present invention shown in FIG. 1 includes a casing 7 having a flow path switching unit 1 and a cartridge housing cylinder unit 2, a raw water inlet 4 at a tap of a water supply. A mounting nut 60 for connecting the raw water, an operation handle 5 for selecting whether the raw water received from the raw water receiving port 4 flows out as raw water as it is or is purified and flows out.

The flow path switching unit 1 includes a raw water inlet 4 connected to a faucet 3 of a water supply by a mounting nut 60, a raw water outlet (not shown) that directly discharges the raw water without purifying it, and a cartridge storage cylinder. Water supply port (not shown) for sending raw water to the body part 2
And a purified water outlet (not shown) for discharging purified water
And a flow path switching valve (not shown) selectively operated by the operation handle 5.

As shown in the cross-sectional view of FIG. 2, the cartridge accommodating cylinder portion 2 accommodates the cartridge 6 in the casing 7 so that the axis of the cartridge 6 is arranged in the horizontal direction and closes the cap 8 to bring the cartridge 6 into a usable state. Become.

As shown in FIG. 3, the cartridge 6 is constituted by an outer casing 9 and an inner casing 10 into a double cylindrical shape. The outer casing 9 is a cylindrical member made of opaque or transparent plastic with an open upper end,
A raw water inlet 11 and a purified water outlet 12 are formed at the bottom, and the inner casing 10 is an opaque or transparent plastic cylindrical member whose upper and lower ends are open. A cylindrical partition wall 13 is provided at the bottom of the inner peripheral portion of the outer casing 9, a primary filter (rectifying member) 21 is provided on the upper portion of the partition wall 13, and an inner casing 10 is provided.
A secondary filter 31 is provided on the upper part of the.

These outer casing 9 and inner casing 1
0, the primary filter 21 and the secondary filter 31 form a cylindrical primary filtration chamber 14 (housing) and a columnar secondary filtration chamber 15, and the cylindrical primary filtration chamber 14 has a granular filter material such as activated carbon. Are filled to form a filter medium particle aggregate. In the cylindrical primary filtration chamber 14, a porous elastic body 50 for pressing the filter medium particle aggregate during use to suppress the flow of the filter medium particle is provided so as to face the filter medium particle aggregate. There is. In addition, a large number of hollow fiber membranes 34 are accommodated in the secondary filtration chamber 15 in a U-shaped bent state,
The end of the hollow fiber membrane 34 is put under the partition wall 13 with a potting resin 36 so that the purified water that has permeated the hollow fiber membrane 34 is collected in an outlet chamber 37 formed below and flows out from the purified water outlet 12. When it is fixed, the end face is open.

An inlet chamber 22 communicating with the raw water inlet 11 is formed below the primary filter 21.
Raw water flows into the primary filtration chamber 14 through the inlet chamber 22 and the primary filter 21. And the outer casing 9
A lid 32 made of transparent plastic is fixed to the upper end of the container, and a communication chamber 33 connecting the primary filtration chamber 14 and the secondary filtration chamber 15 is formed below the lid 32, and water purified in the primary filtration chamber 14 is formed. Flows into the secondary filtration chamber 15 through the secondary filter 31 and the communication chamber 33.

Such a cartridge 6 is laterally accommodated in the cartridge accommodating cylinder portion 2 shown in FIGS. 1 and 2, and in use, treated water flows through the cartridge 6 as indicated by an arrow in FIG.

That is, when tap water is sent from the faucet 3 to the flow path switching unit 1, when the operation handle 5 is switched to the clean water side, the raw water passes through the water pipe to the cartridge housing cylinder unit 2 and the cartridge 6 to the raw water inlet 11.
Raw water flowing from the raw water inlet 11 of the cartridge 6 is
It enters the inlet chamber 22, then passes through the primary filter 21 and flows into the primary filtration chamber 14. The raw water flows uniformly in the primary filtration chamber 14 because the primary filter 21 serves as a rectifying member. Then, the raw water flowing into the temporary filtration chamber 14 is
The chlorine odor and the like are removed by coming into contact with filter media particles such as activated carbon. The water from which chlorine has been removed flows into the secondary filtration chamber 15 through the communication chamber 33 and permeates the hollow fiber membrane 34 to remove bacteria and the like. The water that has permeated the hollow fiber membrane passes through the outlet chamber 37 from the open end of the hollow fiber membrane 34 and flows out as purified water from the purified water outlet 12.

According to the present invention, in the water purifier having the above-mentioned structure, the casing 7, the mounting nut 60, the operation handle 5 and the like are provided with an antifouling treatment on the outer surface of the water purifier where water or oil is easily scattered when the water purifier is used. Give. Antifouling means that at least one member that constitutes the outer surface of the water purifier is made of stainless steel, ceramics, or fluororesin, or at least a part of the outer surface of the water purifier is made of stainless steel, ceramics, or fluororesin. Alternatively, it is coated or plated with a polysiloxane resin.

By such an antifouling process, the water purifier of the present invention is less likely to be contaminated with stains such as water stains and oil, and even if it is adhered, it can be easily removed, so that daily cleaning becomes easy. Therefore, it is not necessary to apply detergent and scrape off with a brush or the like, and damage to the water purifier can be suppressed.

As an antifouling treatment, it is also preferable to coat at least a part of the outer surface of the water purifier with a film. In the case of film, use a film with multiple layers,
It is more preferable to be able to peel off one layer at a time when the stain progresses. With this structure, dirt can be easily removed, and it is not necessary to scrub it with a brush or the like with a detergent, and daily cleaning becomes easy. As a result, damage to the water purifier can be suppressed.

The present invention can also be used in an undersink type water purifier in which the cartridge housing cylinder portion is arranged in the storage space under the sink, but the flow path switching portion is attached to the tap of the water supply, and the cartridge is installed. It is preferable to carry out in a stationary water purifier in which the storage cylinder portion is placed on a support surface such as a ceiling plate of a sink or a floor surface, and further, as described above, both the cartridge storage cylinder portion and the flow path switching portion. Is preferably performed in a faucet direct connection type water purifier provided near the faucet.

[0017]

According to the present invention, at least one member constituting the outer surface of the water purifier is made of stainless steel, ceramics or fluorine resin, or at least a part of the outer surface is made of stainless steel, ceramics or fluorine resin. Since it is covered with, stains such as water stains and oil are unlikely to adhere, and even if it adheres, it is easy to remove, so daily cleaning becomes easy. Further, according to the present invention, since at least a part of the outer surface of the water purifier is covered with the film, the attached dirt can be easily removed and daily cleaning becomes easy. Therefore, it is not necessary to apply detergent and scrape off with a brush or the like, and damage to the water purifier can be prevented.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a water purifier according to an embodiment of the present invention.

FIG. 2 is a schematic partial cross-sectional view of the water purifier of FIG.

FIG. 3 is a schematic sectional view of a cartridge of the water purifier shown in FIG.

[Explanation of symbols]

1: Flow path switching part 2: Cartridge housing cylinder part 3: Faucet 4: Raw water receiving port 5: Operating handle 6: Cartridge 7: Casing 8: Cap 9: Outer casing 10: Inner casing 11: Raw water inlet 12: Purified water Outlet 13: Partition wall 14: Primary filtration chamber 15: Secondary filtration chamber 21: Primary filter 22: Inlet chamber 23: Support member 24: Mesh sheet 25: Hole 31: Secondary filter 32: Lid 33: Communication chamber 34: Hollow fiber membrane 36: potting resin 37: outlet chamber 40: support member 41: mesh sheet 42: groove 50: porous elastic body

Claims (4)

[Claims] 1. A water purifier characterized in that at least one member constituting the outer surface is made of stainless steel, ceramics or fluorine resin. 2. At least a part of the outer surface is made of stainless steel,
A water purifier characterized by being coated with ceramics or fluorine resin. 3. A water purifier characterized in that at least a part of its outer surface is covered with a film. 4. The water purifier according to any one of claims 1 to 3, which is of a direct connection type with a faucet.