JPH10266291A - Water purifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water purifier which can restrain various bacteria and mold breeding in a lower part of a main body of the water purifier and is excellent in the aspects of external appearance and performance and by which labor of cleaning is eliminated and which can be easily handled. SOLUTION: A faucet installing part 5 arranged above a main body 2, a raw water delivery part 6 which is arranged in a lower part of the main body 2 and downward delivers raw water flowing in from the faucet installing part 5, a clean water delivery part 34 which is arranged in the lower part and downward delivers clean water by filtering the raw water and a switching part 7 to switch the raw water to a passage to introduce it to the raw water delivery part 6 or the clean water delivery part 34, are provided. In this case, at least a part turning to the under surface side of the main body 2 is composed of a plastic resin by blending an antibacterial agent.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier used by being attached to a faucet such as a water supply.

[0002]

2. Description of the Related Art In recent years, tap water used as drinking water has been
Water purifiers are widely used to change to safer and more delicious water. Such a water purifier removes water odor, mold odor, trihalomethane and the like with an adsorbent such as activated carbon, and removes bacteria and turbidity components with a porous hollow fiber membrane or the like.

Incidentally, this type of water purifier is classified into a stationary type, a faucet direct connection type, an undersink type and the like. Of these, the water purifier itself is compact, and the main body of the water purifier is the mainstream of the water purifier due to the advantage that the main body is attached to the faucet and requires no space.

A water purifier of this type is provided with a water flow switching mechanism for switching tap water to purified water, a raw water shower, a raw water straight, or the like by rotating a lever. here,
The main body of the faucet direct connection type water purifier is usually formed of plastic.

[0005] Since the faucet-directly connected water purifier is configured to be attached to the lower part of the faucet, the distance between the lower part of the faucet directly-connected water purifier and the sink is inevitably short. Therefore, the water discharged from the outlet provided at the lower part of the faucet direct-connection type water purifier collides with the sink while keeping the momentum, so that the amount of water rebounding from the sink increases. Therefore, a situation has occurred in which a large amount of water adheres to the lower part of the water purifier directly connected to the faucet. In particular, when the raw water shower is used by the water flow switching mechanism provided in the faucet direct-connection type water purifier, the diameter of each shower hole of the raw water shower is as small as 0.5 to 2 mm, so that the water with further momentum is further increased. It will be ejected. In this case, water adheres more remarkably to the faucet direct connection type water purifier.

[0006]

By the way, in the conventional water purifier, if the water adhering to the water purifier is left without washing, the germs, molds, etc. will propagate on the adhering portion. was there. In addition, there is a problem that the appearance is impaired when germs and the like propagate. In addition, if the propagated germs and the like spread to the vicinity of the outlet, there is also a problem in that the bacteria enter the clean water and significantly impair the performance as a water purifier.
Further, in order to prevent the propagation of various bacteria and the like, it has to be washed every time water adheres.

In view of the above, the present invention has been made in view of the above problems, and suppresses various germs and mold growing on the lower portion of the main body of the water purifier, is excellent in appearance and performance, and can be handled without labor for cleaning. It is intended to provide a water purifier that is easy to use.

[0008]

The water purifier of the present invention employs the following means in order to solve the above problems. The water purifier according to claim 1 is provided with a faucet mounting portion disposed on an upper portion of the main body, a raw water discharge portion disposed on a lower portion of the main body, and discharging raw water flowing in from the faucet mounting portion downward. Arranged
In a water purifier provided with a purified water discharge unit that discharges the purified water obtained by filtering the raw water downward, and a switching unit that switches the raw water to a flow path that guides the raw water to the raw water discharge unit or the purified water discharge unit, the lower surface side of the main body Characterized in that at least a part of the member facing the is made of a plastic resin containing an antibacterial agent.

Since at least a part of the member facing the lower surface side of the main body is made of a plastic resin containing an antibacterial agent, even if water splashing from a sink or the like adheres and is left as it is, germs, mold, etc. Breeding can be effectively suppressed.

It is preferable that the antibacterial agent is silver-based, and the compounding ratio in the plastic resin is 1 wt% or more.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. FIG. 1 is a sectional view showing an embodiment of a water purifier according to the present invention, wherein reference numeral 1 denotes a faucet, and reference numeral 2 denotes a water purifier main body.

The faucet 1 is arranged with the discharge port facing downward. The water purifier main body 2 includes a main body 4 provided with a faucet mounting section 5, a raw water discharge section 6, a switching section 7, and a filter section 8.

The main body 4 forms an outer shell from the storage section 4b for storing the switching section 7 to the filter section 8.

The faucet mounting part 5 is located on the upper part of the water purifier main body 2 and is connected to the outlet of the faucet 1. The faucet mounting portion 5 includes a fixing ring 15 screwed to a female screw portion 4a formed on the upper portion of the main body 4, a packing 16 disposed on the upper portion of the main body 4, and a gap between the fixing ring 15 and the packing 16. And a pressing ring 17 that is sandwiched between them and relatively pressed.

The raw water discharge section 6 is provided at a lower portion of the main body 4, and a plurality of shower holes 6a are provided below so as to discharge raw water. The diameter of the shower hole 6a is usually 0.5 to 2 mm.

The switching unit 7 switches the flow path of the raw water flowing from the faucet 1. The switching section 7 is generally constituted by a tubular switching valve 20 disposed inside the main body 4 and a switching lever 21 provided along the right side wall of the main body 4. The cylindrical switching valve 20 is a cylindrical body having a space inside. The cylindrical switching valve 20 is configured to rotate relatively to the main body 4 about the axis L1. The tubular switching valve 20 is provided with a raw water inflow hole 22 at an upper portion, a filter outflow hole 23 at a lower portion, and a raw water outflow hole 24 at a side wall portion. Raw water outlet 2
Numeral 4 communicates with a raw water receiving hole 27 formed in the main body 4 via a communication passage (not shown) at a predetermined rotation position of the cylindrical switching valve 20. Filter outlet 2
Numeral 3 communicates with a filter communication hole 28 formed in the main body 4 at a predetermined rotation position of the cylindrical switching valve 20. The switching lever 21 is connected to the cylindrical switching valve 20. The switching lever 21 is movable along the side wall of the main body 4 and is provided with a cylindrical switching valve 20.
Is rotated around the axis L1.

The filter section 8 is disposed on the left side of the water purifier main body 2. The filter section 8 has a water purification cartridge disposed therein and a water purification discharge section 34 provided at a lower portion. As the water purification cartridge, a hollow fiber membrane type or an activated carbon type is used. The purified water discharge unit 34 is a part from which purified water purified by the purified water cartridge is discharged.

The main body 4 and the raw water discharge portion 6 including the purified water discharge portion 34 having the above-described structure are made of plastic such as ABS resin, AS resin, PP resin, and polycarbonate resin in consideration of cost and moldability. I have. The thickness is
It is 3 mm or more in consideration of pressure resistance. In addition, an antibacterial agent such as a silver-based, copper-based, zinc-based, or a mixture thereof is blended in a resin constituting the plastic. As the antibacterial agent, a silver-based antibacterial agent is preferable because of its high antibacterial property. The mixing ratio of the silver-based antibacterial agent to the plastic resin is 1 wt.
% Is preferable.

Next, a method of using the water purifier having the above configuration will be described. When attaching the water purifier to the faucet 1, the fixing ring 15 is screwed into the female thread portion 4 a of the main body 4 in a state where the pressing ring 17 is inserted into the faucet 1 and the tip of the faucet is brought into contact with the packing 16. And fix it. Raw water supplied from the faucet 1 passes through the main body 4 and is guided to the tubular switching valve 20. In this case, when the filter outlet 23 and the filter communication hole 28 are matched by the switching lever 21, the raw water is guided to the filter unit 8, purified, and then discharged from the purified water discharge unit 34 (FIG. At the route indicated by the arrow). On the other hand, the raw water outlet 2
When the raw water 4 is communicated with the raw water receiving hole 27, the raw water is discharged from the raw water discharge unit 6.

As described above, since the water purifier is attached below the faucet 1, the water purifier comes closer to the sink. Therefore, the amount of water bouncing off the sink is increased. This rebounding water adheres to the lower part of the main body 4 and the raw water discharge part 6. However, since the main body 4 and the raw water discharge portion 6 contain an antibacterial agent, it is possible to effectively prevent the propagation of various bacteria and fungi. For this reason, it is possible to save time and effort for cleaning water adhering to the lower portion of the main body 4 and the raw water discharge portion 6, thereby improving ease of handling.

In the present embodiment, a plastic resin having an antibacterial agent is used for the main body 4 and the raw water discharge portion 6. However, the antibacterial agent is provided for at least a part of the main body 4 facing the lower surface side. It is sufficient that the plastic resin is provided, and the use of a plastic resin using an antimicrobial agent is not particularly limited to the portions described in the present embodiment. Further, although the cylindrical switching valve 20 is used as the switching valve, the present invention is not limited to this mode, and for example, a ball-type valve body may be used.

[0022]

As described above, according to the water purifier of the present invention, the following effects can be obtained. Since at least some of the members facing the lower surface of the main body are made of plastic resin containing an antibacterial agent, water that bounces off from the sink etc. adheres and even if left as it is, propagation of various bacteria and molds Can be effectively suppressed.
Further, since the propagation of various bacteria can be prevented only by adding the antibacterial agent, no special structural change is required. Therefore, it is possible to provide the water purifier according to the present invention without special design change.

[Brief description of the drawings]

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

[Explanation of symbols]

 2 Body 5 Faucet mounting part 6 Raw water discharge part 7 Switching part 34 Purified water discharge part

────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI C02F 1/50 520 C02F 1/50 520A 531 531E 540 540F 550 550B 560 560B 560E (72) Inventor Atsushi Hatakeyama Atsushi Kyobashi, Chuo-ku, Tokyo (No.3-19, Mitsubishi Rayon Co., Ltd.) (72) Inventor Kazuhiko Matsubayashi 2-3-1, Kyobashi, Chuo-ku, Tokyo Inside Mitsubishi Rayon Co., Ltd.

Claims (2)

[Claims] A faucet mounting portion disposed at an upper portion of the main body; a raw water discharge portion disposed at a lower portion of the main body and discharging raw water flowing from the faucet mounting portion downward; In a water purifier provided with a purified water discharge unit that discharges purified water that has filtered raw water downward, and a switching unit that switches the raw water to a flow path that guides the raw water to the raw water discharge unit or the purified water discharge unit, the lower surface side of the main body is provided. A water purifier, wherein at least a part of the facing member is made of a plastic resin containing an antibacterial agent. 2. The water purifier according to claim 1, wherein the antibacterial agent is silver-based and has a mixing ratio of 1 wt% or more with the plastic resin.