JP2002177950A - Under-sink type water purifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an under-sink type water purifier which can be installed at a place to be not a hindrance to the stored utensils such as a pan. SOLUTION: This under-sink type water purifier is provided with a filtering body having an inlet of raw water and an outlet of purified water, a holder to which the filtering body is fit, a pipe for introducing raw water and another pipe for discharging the purified water which are connected to the inlet and the outlet respectively and another holder for holding the raw water introducing pipe and the purified water discharging pipe.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an undersink type water purifier suitable for purifying tap water for general households and the like, and more particularly to an undersink type water purifier suitable for being provided in a drawer type storage space.

[0002]

2. Description of the Related Art Conventionally, as an undersink type water purifier used in ordinary households, for example, Japanese Patent Publication No. 6-71
There is known a water purifier described in US Pat. No. 587, which houses a filter made of activated carbon and a porous hollow fiber membrane. This water purifier is installed at the lower part of the sink, and the raw water inlet and the water purifier outlet at the top of the water purifier at the upper part of the water purifier with detachable joints, respectively. Connect to each.

[0003] This type of water purifier is mainly used in a storage space under a sink, and in recent years, a drawer type storage space under the sink has been gaining in popularity. When a water purifier as described above is provided in the space, every time the drawer case is pulled out, the water purifier moves even though one end of the raw water introduction pipe or the water purification discharge pipe is fixed to the hydrant etc. The raw water inlet pipe, the water purification pipe, and the water purifier body
Pots and the like stored in the drawer case are dragged and move or fall.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an undersink type water purifier which does not interfere with stored items such as a pot.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a filter having a raw water inlet and a purified water outlet, a filter holder to which the filter is attached, a raw water inlet and a purified water outlet. The present invention is characterized by an undersink type water purifier including a raw water inlet pipe and a purified water outlet pipe connected to each other, and an outlet / inlet pipe holder for holding the raw water inlet pipe and the purified water outlet pipe.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An undersink type water purifier of the present invention is connected to a filter having a raw water inlet and a water purifier, a filter holder on which the filter is mounted, and a raw water inlet and a water purifier outlet. It has a raw water introduction pipe and a purified water discharge pipe. For example, as shown in FIG. 1, it has a filter holder 1 and a filter cartridge 2 (filter).

The filter holder 1 includes a main body 3 and a base plate 4.
, A holder case 5 and a cartridge fixing means 6. The main body 3 has a raw water inlet 7 and a purified water outlet 8
One end of a raw water introduction pipe 9 is connected to the raw water introduction port 7, and is configured to communicate with a raw water inlet 15 of the filtration cartridge 2. The other end of the raw water introduction pipe 9 is connected to a tap water conduit 20 via a water tap 19 as shown in FIG. The purified water outlet 8 is connected to a purified water outlet tube 11, and is configured to communicate with the purified water outlet 16 of the filtration cartridge 2. The other end of the water purification pipe 11 is connected to a water purification nozzle 21 shown in FIG. In order to prevent water from flowing out when the filtration cartridge 2 is detached, the check valve 10 that opens the flow path when the filtration cartridge 2 is attached to the raw water introduction port 7 and the purified water discharge port 8, A check valve 12 is built in.

[0008] The filtration cartridge 2 comprises a cylindrical primary filter 1 containing activated carbon or activated carbon fiber as a main component.
3 and a secondary filter 14 formed of a bundle of hollow fiber membranes bent in a U-shape, which receives the water treated by the primary filter 13 and filters bacteria and the like. A raw water inlet 15 and a purified water outlet 16 are provided at one end of the filtration cartridge 2, a check valve 17 whose flow path is opened when the raw water inlet 15 is attached to the filter holder 1, and a water pressure at the purified water outlet 16. A check valve 23 that opens the flow path is built in.

A transparent window 18 shown in FIG. 3 is provided at a portion of the filtration cartridge 2 opposite to the raw water inlet 15 and the purified water outlet 16 so that the degree of contamination of the secondary filter 14 formed of a hollow fiber membrane bundle can be observed. Is attached.

As shown in FIG. 2, the undersink type water purifier of the present invention is provided with an inlet / outlet holder 24 for holding the raw water inlet pipe 9 and the purified water outlet pipe 11.
As described above, in the present invention, the raw water introduction pipe 9 and the purified water discharge pipe 1 required in the undersink type water purifier.
1 is provided to prevent the raw water introduction pipe and the purified water discharge pipe from hanging down. Even when the raw water introduction pipe is installed in a drawer type storage space, the raw water introduction pipe 9
And the water purification pipe 11 can be easily pulled out of the drawer case without being caught by the potables or the like.
It is possible to keep the pot and the like stored. In addition,
The lead-in / out pipe holder may be provided separately for each of the raw water introduction pipe 9 and the purified water discharge pipe 11.

In the present invention, since the filter is mounted on the filter holder, the water purifier can be fixed to the inner wall surface of the storage space, and the storage space under the sink can be used more effectively. can do.

Then, as in the above embodiment, the filter body is formed into a cartridge, and the raw water introduction pipe and the raw water inlet of the filtration cartridge, and the purified water outlet pipe and the purified water outlet of the filtration cartridge are connected with the filter body holder. If it is configured to communicate, there is no need to take out and replace the whole water purifier when replacing the filter cartridge, just remove the filter cartridge from the filter holder and mount a new filter cartridge on the filter holder, Filter media can be easily replaced without having to reconnect the hose.

Further, in the above embodiment, the filter cartridge holder 1 and the filter cartridge 2 can be easily attached to the filter cartridge 2 without using a tool or the like.
A convex portion 2a and a concave portion 6a are provided. When the filtration cartridge 2 is mounted, the raw water inlet 15 is connected to the raw water introduction port 7,
The filtration cartridge is inserted along the guide groove 22 shown in FIG. 3 so that the water purification outlet 16 is connected to the water purification outlet 8 at the same time. Thereafter, by rotating the cartridge fixing means 6, the projection 2 a provided on the outer peripheral portion of the filtration cartridge 2 engages with the recess 6 a provided on the cartridge fixing means 6, and these connections are not released by water pressure or the like. So as to fix it. When removing the filtration cartridge 2, the procedure may be performed in the reverse order.

The means for fixing the filtration cartridge 2 may be a means for rotating the cartridge fixing means provided on the filter holder as described above, or may be provided by inserting the filtration cartridge itself. It may be turned and fixed.

When the filter cartridge 2 is removed from the filter holder 1, the raw water inlet 7 and the purified water outlet 8 of the filter holder 1 and the raw water inlet 1 of the filter cartridge 1 are removed.
5 and check valves 10, 12 provided at the water purification outlet 16,
Since the passages 17 and 23 close the flow path, it is possible to prevent water from flowing backward or leaking.

The undersink type water purifier of the present invention is shown in FIG.
As shown in (1), it is installed in a storage section such as a kitchen sink. At this time, it is preferable that the filter holder 1 is fixed to the upper part of the side wall of the storage unit with a double-sided adhesive tape or a screw, and the filter cartridge 2 is installed horizontally so that the viewing window 18 faces forward of the sink.

The undersink type water purifier of the present invention is shown in FIG.
As shown by an arrow in FIG. 4, when the water tap is opened, tap water flows into the raw water introduction pipe 9 and is introduced into the raw water inlet 15 of the filtration cartridge 2 through the raw water introduction port 7 of the main body 3. Here, when the filtration cartridge 2 is not mounted on the main body 3, the check valve 10 closes the flow path.
It is possible to prevent troubles such as tap water spouting due to improper mounting of the device.

The tap water introduced into the raw water inlet 15 has a cylindrical shape mainly composed of activated carbon or activated carbon fiber.
The next filter 13 is filtered by flowing from the outside to the inside. By the action of activated carbon, chlorine contained in tap water is adsorbed and removed.

Thereafter, the filtered water obtained from the primary filter 13 is separated from the inside of the primary filter 13 and the hollow fiber membrane bundle.
It flows through the space between the secondary filter 14 and the outside of the case and flows into the secondary filter 14. In the secondary filter 14, the inflow of the filtered water flows from the outside to the inside of the hollow fiber membrane, so that dust and the like contained in the filtered water can be removed.

The filtered water that has been further filtered through the hollow fiber membrane is collected at the water purification outlet 16 of the cartridge 2 and the check valve 23 of the water purification outlet 16 and the check valve 12 of the main body 3 are pushed open by water pressure to conduct water purification. The water flows out from the water purification nozzle via the outlet 8 and the water purification pipe 11 as purified water.

[0021]

According to the undersink type water purifier of the present invention, a filter having a raw water inlet and a water purifier, a filter holder on which the filter is mounted, and a raw water inlet connected to the raw water inlet and the purifier outlet are respectively provided. Since it is equipped with a pipe and a purified water discharge pipe, and a discharge inlet pipe holder that holds the raw water introduction pipe and the purified water discharge pipe, it is possible to prevent the raw water introduction pipe and the purified water discharge pipe from hanging down, and to install it in a drawer type storage space. In addition, the raw water introduction pipe and the purified water discharge pipe do not get caught in the storage such as the pot, the drawer case and the like can be pulled out without difficulty, and the state when the pan and the like are stored can be maintained. Further, the water purifier can be fixed to the inner wall surface of the storage space or the like, and the storage space below the sink can be used more effectively. Further, only the filter cartridge is removed from the filter body holder and a new filter cartridge is mounted on the filter body holder, so that the filter medium can be easily replaced without having to reconnect the hose.

[Brief description of the drawings]

FIG. 1 is a schematic longitudinal sectional view of an undersink type water purifier according to an embodiment of the present invention.

FIG. 2 is a schematic longitudinal sectional view of a sink provided with an undersink type water purifier according to one embodiment of the present invention.

FIG. 3 is a schematic perspective view of an undersink type water purifier according to one embodiment of the present invention.

4 is a schematic longitudinal sectional view of the undersink type water purifier shown in FIG. 1 in a use state.

[Explanation of symbols]

 1: Filter body holder 2: Filtration cartridge 3: Main body 4: Base plate 5: Holder case 6: Cartridge fixing means 7: Raw water inlet 8: Purified water outlet 9: Raw water inlet 10: Check valve 11: Purified water outlet 12: check valve 13: primary filter (activated carbon) 14: secondary filter (hollow fiber membrane) 15: raw water inlet 16: purified water outlet 17: check valve 18: view window 19: water tap 20: tap water pipe 21: water purification nozzle 22: guide groove 23: check valve 24: lead-out inlet tube holder 24

Claims (1)

[Claims] 1. A filter having a raw water inlet and a purified water outlet, a filter holder to which the filter is mounted, a raw water introduction pipe and a purified water discharge pipe connected to the raw water inlet and the purified water outlet, respectively, An undersink type water purifier comprising: a pipe and a lead-in / out pipe holder for holding a water purification lead-out pipe.