KR20090120108A - Water purifying filter - Google Patents

Abstract

PURPOSE: A clean water filter is provided to prevent leakage of raw water while maximizing the inflow amount of the raw water without using an o-ring on a bonding part of a connector and a filtering housing. CONSTITUTION: A clean water filter includes a connector(20) and a filter assembly(21). The connector includes a clean water discharge part in which the filtered water is discharged and a raw water inlet. The filter assembly filters the raw water transferred through the raw water inlet. A filter housing(22) includes an insertion part(22a), a hollow(H), an inlet insertion part(22b). The insertion part includes the filter assembly, and is inserted into the clean water discharge part. The hollow is formed to exhaust the filter water through the filter assembly.

Description

Water Purifying Filter

The present invention relates to a water filter for filtering water.

In general, water filters installed in water purifiers, bidets, etc., have to be replaced periodically as various pollutants (for example, suspended solids, organic compounds, etc.) accumulate over time, and connectors have to be replaced periodically. do.

In other words, the water filter is installed between the raw water supply line to move the water flowing through the tap water and the purified water supply line to move the purified water through the water filter, in order to facilitate the replacement of the filter and to facilitate replacement. The connector is used.

Here, a description will be given of the water filter equipped with a connector with reference to FIG.

The conventional water filter includes a connector 10, a filter housing 11 and the like.

The connector 10 is formed with an inflow path 10a through which water to be purified is introduced and moved, and a discharge path 10b through which the filtered water is discharged. The inside of the connector 10 is a filter. It has a structure corresponding to the upper portion of the filter housing 11 to be coupled to the upper portion of the housing (11).

One side of the filter housing 11 is formed with an inlet 11a and an outlet 11b so that water moving through the inlet path 10a of the connector 10 flows into the filter housing 11 and is filtered out. In the filter housing 11, a filter part 11c is provided to filter the water introduced through the inlet 11a.

However, the conventional water filter equipped with the connector has the following problems.

First, in coupling the connector 10 to the upper portion of the filter housing 11, O-rings (a, b) are provided to prevent the water or purified water from flowing out to the coupling portion, O-ring (a, b) When the wear or damage of the connector 10, the water flowing into the inlet path (10a) does not flow smoothly into the filter housing 11, the water discharged from the filter housing 11 is the connector 10 There is a problem that can not be discharged to the discharge path (10b). That is, the water flowing into the inflow path (10a) of the connector 10 is not a normal discharge to the discharge path (10b) is a problem occurs that leaks.

Second, since the inlet 11a of the filter housing 11 is formed at the coupling portion of the connector 10 and the filter housing 11 as shown in FIG. 1, there is a problem in that the water purification efficiency of the water filter per unit time is lowered. That is, as the inlet 11a formed in the filter housing 11 is located at the coupling portion of the connector 10 and the filter housing 11, the number and size of the inlets 11a that can be formed due to spatial constraints are limited. As a result, it takes a long time for the water to flow as much as the maximum amount of water that can be treated in the filter housing 11, and consequently, the water purification efficiency is lowered.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a water filter that can maximize the amount of raw water flowing into the filter housing without using an O-ring at the coupling portion of the connector and the filter housing.

According to an aspect of the present invention, there is provided a water filter, including: a connector including a raw water inflow path through which raw water is introduced and a purified water discharge path through which filtered water is discharged; A filter assembly for filtering the raw water introduced through the raw water inlet passage; And a built-in filter assembly and an inserting portion inserted into the filter assembly so as to correspond to the purified water discharge path when the filter assembly is coupled to the inserter. The inserting portion has a hollow so that filtered water flows out through the filter assembly. And a filter housing having an inlet through which the raw water can be introduced. The connector and the filter housing are characterized in that the coupling by screwing.

Here, the inlet is characterized in that formed in plurality on the lower side of the connector and the filter housing coupling portion.

On the other hand, the water filter according to the present invention, the connector is formed with a raw water inflow path to which the raw water (flow water) is introduced and the purified water discharge path to discharge the filtered water; A filter assembly for filtering the raw water introduced through the raw water inlet passage; And a filter housing incorporating the filter assembly and coupled to the connector, the filter housing having an inlet through which the raw water is introduced and an outlet through which the filtered water flows out through the filter assembly. And characterized in that formed in plurality on the lower side of the filter housing coupling portion.

Here, the connector and the filter housing is characterized in that coupled to the screw fastening method.

The water filter according to the present invention as described above has the following effects.

First, the insertion part inserted into the water purifying outlet of the connector is provided in the filter housing, and the connector and the filter housing are combined by screwing, so that leakage can be prevented without using an O-ring at the coupling part of the connector and the filter housing. do.

Second, since a plurality of inlets are formed under the coupling portion of the filter housing and the connector, the amount of raw water flowing into the filter housing can be maximized, thereby improving the water purification efficiency.

Third, since the connector and the filter housing are combined by screwing, the filter assembly can be easily replaced when the filter assembly reaches its end of life.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the water filter according to the present invention as described above will be described in more detail.

Example 1

2 is a cross-sectional view of the water filter according to the first embodiment of the present invention, Figure 3 is an exploded perspective view of the water filter.

Referring mainly to FIG. 2 and auxiliary to FIG. 3, the water filter 200 of the present invention includes a connector 20, a filter assembly 21, and a filter housing 22.

The connector 20 has a raw water inflow path 20a through which raw water is introduced, and a purified water discharge path 20b through which filtered water is discharged, on one side thereof. Here, the water purifying passage 20b of the connector 20 is provided in a 'b' shape by extending from the lower side of the center of the connector 20 to the upper side so that the insertion portion 22a of the filter housing 22 to be described later is inserted. It is preferable to be.

The filter assembly 21 is built in the filter housing 22 to be described later, and filters the raw water flowing into the filter housing 22. In this case, the filter assembly 21 may be formed of a filter material 21a, an upper cap 21b, and a lower cap 21c to be embedded in the filter housing 22. That is, the filter assembly 21 filters the raw water introduced into the filter housing 22 and filters the internal filter material 21a and the filter material 21a into the filter housing 22 so that the filtered water can move. The upper cap 21b and the lower cap 21c coupled to the upper and lower portions of the filter material 21a to be seated.

Here, the filter material 21a may be any structure as long as it can filter the raw water flowing into the filter housing 22. In addition, in order to increase the filtration performance of the filter material 21a, the filter material 21a may be filled with a silver nano filler (AC) or the like capable of performing an antibacterial function as shown in FIG. 2.

The filter housing 22 incorporates the filter assembly 21 and is coupled to the connector 20. In this case, the filter housing 22 is inserted into the filter housing 22 so as to correspond to the water discharge passage 20b of the connector 20. , See FIG. 3), and the hollow portion H is formed in the inserting portion 22a to allow the purified water to pass through the filter assembly 21 to be discharged to the purified water discharge passage 20b of the connector 20. have.

That is, the insertion part 22a provided in the filter housing 22 is provided to be inserted into and coupled to the purified water discharge path 20b of the connector 20 when the connector 20 and the filter housing 22 are coupled to each other. The portion 22a is provided to correspond to the purified water discharge passage 20b so that the water filtered through the hollow H of the inserting portion 22a can move without leaking even if it moves to the purified water discharge passage 20b. do.

In addition, an inlet port 22b (see FIG. 3) is formed at the periphery of the filter housing 22 insertion part 22a to introduce the raw water introduced into the raw water inlet passage 20a of the connector 20 into the filter housing 22. In this case, since the connector 20 and the filter housing 22 are coupled by screwing, the raw water moves from the raw water inlet passage 20a of the connector 20 to the inlet 22b of the filter housing 22. No leaks.

In other words. When moving from the inflow passage (20a) to the inlet (22b) is formed on the outer side of the connector 20 and the inner side of the filter housing 22 are threaded (A, B, see Fig. 3), respectively, which is coupled in a screwing manner In this way, when the screw is coupled in this way, the coupling is secured, so that even if the raw water moves from the raw water inlet passage 20a of the connector 20 to the inlet port 22b of the filter housing 22, no leakage occurs. 20) and the filter housing 22 can be easily and conveniently combined and separated.

Here, it is preferable that the inlet 22b of the filter housing 22 is formed in plural numbers below the coupling portion C of the connector 20 and the filter housing 22. When the inlet 22b is formed to be located at the coupling portion C where the connector 20 and the filter housing 22 are coupled, there is a limit in the number and size of the inlets 22b that can be formed due to spatial constraints. As a result, there is a limit in the amount of raw water inflow flowing into the filter housing 22 per unit time, thereby decreasing the water purification efficiency.

However, if the inlet port 22b is formed below the coupling portion C of the connector 20 and the filter housing 22, the spatial constraint that the inlet port 22b can be formed is reduced, and when the inlet port 22b is formed in a plurality, As the area of 22b is increased, the amount of raw water inflow into the filter housing 22 per unit time can be maximized, thereby improving water purification efficiency.

4 is an operational state diagram for the water filter according to the first embodiment of the present invention.

When the raw water flows into the raw water inflow passage 20a of the connector 20 while the connector 20 and the filter housing 22 are coupled by a screwing method, the introduced raw water is inserted into the insertion portion 22a of the filter housing 22. Inflow to the inlet (22b) formed in the periphery. The raw water introduced through the inlet 22b is filtered as it passes through the filter assembly 21 embedded in the filter housing 22. At this time, since the filter assembly 21 is embedded in the center of the filter housing 22. The flow path through which the raw water moves is formed as the inner wall of the filter housing 22. The water filtered through the filter assembly 21 is discharged through the hollow (H) formed in the insertion portion 22a of the filter housing 22, the discharged water is a purified water discharge connected to the insertion portion 22a is inserted. It is discharged to the outside through 20b.

As described above, in the water filter 200 according to the first embodiment, since the connector 20 and the filter housing 22 are coupled in a screw-tight manner, the connector 20 and the filter housing 22 are easily combined and separated, and thus the filter assembly ( 21) can be easily replaced when the filter housing 22 needs to be replaced at the end of its service life.

In addition, the insertion portion 22a of the filter housing 22 is inserted so as to correspond to the water discharge passage 20b of the connector 20, and the connector 20 and the filter housing 22 are coupled by screwing, so that the connector When the raw water is introduced into the raw water inlet passage 20a of the connector 20 and then filtered and discharged into the purified water discharge passage 20b without using an O-ring at the coupling portion C of the filter housing 22 and the filter housing 22. It can be prevented from leaking.

Example 2

5 is a cross-sectional view of a water filter according to a second embodiment of the present invention, Figure 6 is an exploded perspective view.

Referring to FIG. 5 and referring to FIG. 6, the water filter 400 according to the present invention includes a connector 40, a filter assembly 41, and a filter housing 42.

The connector 40 has a raw water inflow path 40a through which raw water is introduced, and a purified water discharge path 40b through which filtered water is discharged, on one side thereof. The connector 40 is described below. The filter housing 42 with the built-in filter assembly 41 serves to conveniently connect when it is necessary to connect a device (eg, a water purifier, a bidet, etc.) to filter water.

Since the filter assembly 41 is the same as that described in Embodiment 1, a detailed description thereof will be omitted.

The filter housing 42 includes a filter assembly 41 and an outlet 42b (FIG. 6) through which the raw water flows into one side and an outlet 42b through which the filtered water flows out through the filter assembly 41. FIG. Is formed). At this time, a plurality of inlets 42a are formed below the coupling portion C ′ of the connector 40 and the filter housing 42, so that the amount of raw water flowing into the filter housing 42 can be maximized. do.

When the inlet 42a is formed in the filter housing 42 so as to be located at the coupling portion C ′ where the connector 40 and the filter housing 42 are coupled, the number of inlets 42a that can be formed due to spatial constraints. And there is a limit to the size and as a result there is a limit in the amount of raw water inflow flowing into the filter housing 42 per unit time, the water purification efficiency is lowered.

However, when the inlet 42a is formed below the coupling portion C ′ of the connector 40 and the filter housing 42 as described above, the space constraint that the inlet 42a can be formed is reduced, and a plurality of inlets 42a are formed. In this case, the area of the inlet 42a is increased accordingly, and as a result, the amount of raw water inflow flowing into the filter housing 42 per unit time can be maximized. The efficiency can be improved.

Here, the connector 40 and the filter housing 42 may only be coupled so that the raw water is not leaked after the connector 40 and the filter housing 42 are coupled, but preferably, the screwing method is coupled. That is, the thread (C, D, see Fig. 6) is formed on the outer side of the connector 40 and the inner side of the filter housing 42, respectively, and are coupled by a screwing method. Since the coupling is secured, even if the raw water moves from the raw water inlet passage 40a of the connector 40 to the purified water discharge passage 40b of the connector 40 through the inside of the filter housing 42, the connector 40 ) And the filter housing 42 can be conveniently and conveniently combined and separated.

On the other hand, since the operating state of the water filter according to the second embodiment is the same as the first embodiment, detailed description thereof will be omitted.

As described above, the water filter 400 according to the second embodiment has a plurality of inlets 42a through which the raw water is introduced, which are formed under the coupling portion C ′ of the connector 40 and the filter housing 42. The amount of raw water flowing into the housing 42 can be maximized, so that the amount of purified water that can be treated per unit time can be maximized, thereby improving water purification efficiency.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

1 is a cross-sectional view of a conventional water filter.

2 is a cross-sectional view of a water filter according to Embodiment 1 of the present invention.

3 is an exploded perspective view of the water filter according to the first embodiment of the present invention.

4 is an operational state diagram for the water filter according to the first embodiment of the present invention.

5 is a cross-sectional view of a water filter according to a second embodiment of the present invention.

6 is an exploded perspective view of a water filter according to a second embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

20, 40: connector

21, 41: filter assembly

22, 42: filter housing

Claims (4)

A connector having a raw water inflow path through which raw water is introduced and a purified water discharge path through which filtered water is discharged; A filter assembly for filtering the raw water introduced through the raw water inlet passage; And The filter assembly is embedded, and has an inserting portion inserted to correspond to the water purification discharge path when combined with the connector, and the inserting portion has a hollow formed to allow the filtered water to flow out through the filter assembly. And a filter housing having an inlet through which the raw water can be introduced. The connector and the filter housing is a water filter, characterized in that coupled by screwing. The method of claim 1, The inlet is a water filter, characterized in that formed in plurality on the lower side of the connector and the filter housing coupling portion. A connector having a raw water inflow path through which raw water is introduced and a purified water discharge path through which filtered water is discharged; A filter assembly for filtering the raw water introduced through the raw water inlet passage; And A filter housing having the filter assembly embedded therein and coupled to the connector, the filter housing having an inlet through which the raw water flows into one side and an outlet through which the filtered water flows out through the filter assembly; The inlet is a water filter, characterized in that formed in plurality on the lower side of the connector and the filter housing coupling portion. The method of claim 3, The connector and the filter housing is a water filter, characterized in that coupled by screwing.

Images