KR0156714B1 - Apparatus for filter of water dispenser - Google Patents

Abstract

The present invention relates to a filtration device of a water purifier for removing harmful substances contained in raw water, the outer side is formed with a plurality of water supply holes, water purification holes and concentrated water holes to open and close the raw water, purified water and concentrated water A housing, an inner housing detachably inserted into the outer housing, a filter member detachably inserted into the inner housing to remove harmful substances contained in raw water, and a plurality of purified water flowing in through the filter member. It is characterized in that the inlet hole is formed with an inner lid and the outer lid detachably coupled to the outer housing and the inner housing.

The present invention configured as described above is very convenient to use by preventing the leakage or backflow of raw water, purified water and concentrated water when the filter is replaced.

Description

Filtration device for water purifier

1 is a side view of a partially cut state showing a general water purifier.

2 is a longitudinal cross-sectional view of a separation state showing a filtration device applied to a conventional water purifier.

3 is a side cross-sectional view of a separated state showing a filtration device for a water purifier according to an embodiment of the present invention.

Figure 4 is a longitudinal cross-sectional view showing a coupling state of the filtration device for water purifier according to the present invention.

FIG. 5 is a cross sectional view taken along the arrow VV in FIG. 3;

6 is a cross-sectional view showing a further embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

20: external housing 20a: water supply hole

20b: purified water 20c: concentrated water

24: flange 24a: through hole

26: first operating shaft 30, 30a: valve body

32a: Nurum protrusion 34: External housing

34a, 34b: communication hole 36b, 38b: downward projection

40: second operating shaft 48: inner lid

50: outer lid 50a: protrusion

The present invention relates to a water purifier that removes harmful substances contained in raw water, such as tap water, to purify water, and more particularly, to a filter device for water purifiers that is easy to combine and separate filters for purifying contaminated raw water.

Generally, as shown in FIGS. 1 and 2, the water purifier is mounted on the upper side of the main body 1 so that the water storage tank 2 in which the purified water is stored therein is detachably mounted, and is disposed on the rear side of the water storage tank 2. A filter member 5, such as carbon and a membrane, which removes harmful substances contained in the raw water supplied through the water supply pipe 4 connected to the faucet 3, is installed, and the purified water passed through the filter member 5 is provided. The water storage tank 2 is configured to be stored in the water storage tank 2, and a water intake opening 7 which is opened and closed by operation of the lever 6 is connected to the front surface of the water storage tank 2.

Therefore, the raw water introduced into the filter member 5 through the faucet 3 and the water supply pipe 4 becomes an purified water from which various harmful substances contained in the raw water are removed while passing through the filter member 5. When the water is stored in the water intake, and the water intake opening 7 is opened by operating the lever 6, the purified water can be taken in a cup or the like.

However, in such a water purifier, the filter member 5 is preferably configured to be easily separated and exchanged after being used for a certain period, so that the filter member 5 must be replaced as the filtration performance decreases.

The filtration device applied to such a conventional water purifier includes a water supply hole 10a for supplying raw water to the lower side as shown in FIG. 2, a water purification hole 10b for removing purified water contained in the raw water, and a water purification hole 10b. Protruding pipes 11a respectively inserted into the water supply holes 10a, water purification holes 10b, and the concentrated water holes 10c in the inner side of the outer housing 10 in which the concentrated water holes 10c in which the concentrated water is not discharged are formed. (11b) (11c) is protruding on the bottom surface and the inner housing 11 is formed tightly inserted to form the water supply passage 12 extending with the protruding pipe (10a), the inner housing 11 On the inner side of the filter 13 is mounted on the outside, and a water purification pipe 14 is formed so that a plurality of water inlet holes 14a are formed so that the purified water flowing through the filter 13 flows in.

In addition, the inner side of the inner housing 11 and the outer side of the filter 13 is provided with a guide plate 15 for guiding the introduced raw water into the filter 13, the upper side of the spiral housing (11) The inner lid 16 covers the opening of the water purification pipe 14, and the outer lid 18 is screwed on the upper side of the outer housing 10 via a seal ring 17.

Therefore, the purified water introduced into the upper side of the inner housing 11 through the water supply hole 10a and the water supply passage 12 is guided into the filter 13 by the guide plate 15 to remove various harmful substances contained in the raw water. . At this time, the purified water passing through the filter 13 is introduced into the purified water pipe 14 through the purified water inlet hole 14a, and then discharged through the purified water hole 10b, and the concentrated water that has not passed through the filter 13 is concentrated. Water is discharged through the concentrated water 10c in the inner housing 11 is purified water.

However, in the conventional filter device for water purifiers, when the filter is replaced, the outer lid is removed, and the outflow of raw water, purified water and concentrated water is very high due to the pressure of raw water introduced through the water supply hole and the water supply passage, or the reverse flow of purified water and concentrated water. Not only is it severe, but there are various problems such as the inconvenience of using the filter because it requires very careful attention to the replacement work.

The present invention has been made to solve the above-mentioned problems of the prior art, the object of the present invention is to prevent the outflow of raw water, purified water and concentrated water by preventing the backflow of raw or purified water and concentrated water when the filter is replaced It is to provide a filtration device for a water purifier that is very easy to use and very easy to exchange.

In order to achieve the above object, the filtration device for water purifier according to the present invention has an outer housing formed with a plurality of water supply holes, water purification holes, and concentrated water holes so that the upper side is opened and oil flows in and out of raw water, purified water, and concentrated water. In addition, the inner housing is detachably inserted into the outer housing, the filter member is detachably inserted into the inner housing to remove harmful substances contained in the raw water, and a plurality of purified water inflow holes so that the purified water passed through the filter member is introduced. The formed water pipe, and the inner lid and the outer lid which is detachably coupled to the outer housing and the inner housing is characterized in that it is provided.

The filter device for a water purifier of the present invention configured as described above is very easy to replace the filter and prevents leakage or backflow of raw water, purified water and concentrated water when the filter is replaced.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to FIGS. 3 to 5.

As shown in FIGS. 3 to 5, the filtration apparatus according to the present invention discharges water supply holes 20a through which raw water is introduced at predetermined intervals below, water purification holes 20b through which purified water is discharged, and concentrated water. The outer housing 20 in which the concentrated water | work 20c was formed, respectively is provided.

Inside the outer housing 20, the inner housing 34 formed with communication holes 34a and 34b communicating with the purified water hole 20b and the concentrated water hole 20c, respectively, is detachably inserted and installed. One side of the inner housing 34 is formed with a raw water passage 32 in communication with the water supply hole 20a, the bottom support portion 27 is protruded on the bottom surface of the inner housing 34, the raw water On one side of the passage 32, the Nurum projections 32a are formed downwardly.

In addition, a filter member 42 for adsorbing and removing harmful substances is fixedly installed at the same time as the raw water supplied through the raw water passage 32 is fixed inside the inner housing 34. The purified water pipe 44 in which the several purified water inflow holes 44a were formed so that the purified water which passed may flow in is provided.

On the other hand, on the inner side of the inner housing 34 and the outer side of the filter member 42, a guide member 46 for guiding the raw water introduced through the raw water passage 32 to the inner side of the filter member 42 is provided. Is coupled, the upper side of the inner housing 34, the inner lid 48 is screwed to the top of the upper support portion 48a is inserted into the upper end of the water purification pipe 44 is supported, the outer housing 20 On the upper side of the outer lid 50 having a sealing member 52 interposed inside is screwed.

On the other hand, the lower side of the outer housing 20 and the inner housing 34 is in the open state when coupled with each other to enable the flow of fluid, when separated, the first valve (200) to shut off the flow of fluid ) And the second valve 300 is mounted.

The first valve 200 is mounted inside the water supply hole 20a, the water purification hole 20b, and the concentrated water hole 20c, and the second valve 300 is mounted in the communication hole 34a, 34b. have.

The first valve 200 has a plurality of connection ports 22a, 22b and 22c that are detachably screwed to the lower side of the water supply hole 20a, the water purification hole 20b, and the concentrated water hole 20c, and the connection hole ( 22a, 22b and 22c, which are formed on the first operating shaft 26 which is installed by the elastic member 28 and lifts and moves, and the flange 24 formed on the upper end of the first operating shaft 26. It is fixed to the plurality of through holes 24a and the first working shaft 26 to the valve body 30 to selectively open and close the water supply hole 20a, water purification hole 20b and the concentrated water hole 20c. Is done.

In addition, the second valve 300 is screwed into the lower side of the communication hole (34a, 34b) while the lower side is closely inserted into the upper side of the water purification hole (20b) and the concentrated water (20c), and also A connector 36 having a plurality of downward projections 36b and 38b which simultaneously have a plurality of through holes 36a and down so as to allow a fluid to flow therethrough, and the communication holes 34a and 34b and the connector 36. It is installed and lifted up and down via an elastic member 28a therein, and a valve body 30a for opening and closing the communication holes 34a and 34b is fixedly installed at the top and at the same time, the elastic member 28a is supported at the bottom. It consists of the 2nd operation shaft 40 which has the support part 40a.

The inner lid 48 is tightly coupled to the upper side of the inner housing 34 via the sealing member 54.

On the other hand, Figure 5 is a cross-sectional view taken along the line V-V in Fig. 7, the groove portion 217 is formed on one inner side of the outer housing 20, and the inner passage 34 in the inner water passage 32 And forming a protrusion 221a to facilitate coupling of the inner housing 34 to the outer housing 20, and at the same time, after the water supply hole 20a and the raw water passage 32 are in communication with each other, The first and second valves 211 and 224 are configured to be coupled to each other.

In the drawings, reference numerals 56 and 58 denote packing members, respectively.

The filtration device of the water purifier according to the present embodiment configured as described above is screwed to the inner lid 48 via the sealing member 54 in a state in which the filter member 42 is tightly inserted into the inner housing 34. After inserting the inner housing 34 into the outer housing 20, and screwing the outer lid 50 through the sealing member 52 on the upper side, the inner side of the outer lid 50. Assembling is completed while the protrusion 50a formed on the upper surface of the inner lid 48 of the inner housing 34 is pressed.

At this time, the outer and inner housings 20 and 34 insert the protrusion 221a into the recess 217 so that the water supply hole 20a and the raw water passage 32 communicate with each other, and the first and second valves ( Combination of the 200 and 300 is made, and thus, the first and second valves 200 and 300 are opened so that the supply of raw water, purified water, and concentrated water can be discharged.

That is, when the inner housing 34 is coupled to the outer housing 20, the nurum protrusion 32a presses the flange 24 of the first valve 200 mounted in the water supply hole 20a, and then the first operation. At the same time as the shaft 26 is lowered, the valve body 30 is lowered to open the water supply hole 20a, thereby allowing the inflow of raw water.

Accordingly, the raw water introduced through the water supply hole 20a is introduced into the inner lid 48 through the raw water passage 32 and then passes through the filter member 42 to remove various harmful substances contained in the raw water. It is an integer.

The purified water passing through the filter member 42 is introduced into the purified water pipe through the purified water inlet hole 44a and then discharged through the second and first valves 200 and 300.

At this time, the second and first valves 300 and 200 have the downward projection 36b lowering the first operating shaft 26 while pressing the flange 24 and at the same time the upper edge of the water supply hole 20a is flanged. The valve body 30 (30a) opens the water purification hole 20b and the communication hole 34a by raising the second working shaft 40 while being in contact with the 24. Accordingly, the purified water can be discharged into the communicating hole 34a and the purified water hole 20b.

On the other hand, the concentrated water in the inner housing 34 is discharged by opening the communication hole 34b and the concentrated water 20c in the same manner as the opening of the communication hole (34a) and the water purification hole (20b) described above. will be.

On the other hand, when the filter member 42 is replaced after a predetermined time, it is possible to separate the inner housing 34 from the outer housing 20 by separating the outer and inner lids 50 and 48, At this time, the filter member 42 in the separated inner housing 34 can be easily replaced.

In this case, when the inner housing 34 is separated from the outer housing 20, the first and second valves 200 and 300 are closed to block inflow or discharge of raw water, purified water, and concentrated water.

That is, when the inner housing 34 is separated, the first operating shaft 26 is lifted by the elastic force of the elastic member 48 so that the valve body 30 is supplied with the water supply hole 20a, the water purification hole 20b, and the like. Each of the concentrated water 20c is closed to block the inflow and outflow of the fluid, thereby preventing the leakage of the fluid into and out of the outer housing 20.

In addition, the second valve 300 of the inner housing 34 has the second actuating shaft 40 lowered by the elastic force of the elastic member 28a, so that the valve body 30a communicates with each communication hole 34a ( 34b) is closed to prevent leakage of purified water or concentrated water in the inner housing 34.

Although the present invention has been described with respect to a filtration device using a membrane filter, the present invention is not limited thereto. For example, the present invention may be applied to a filtration device using a ceramic filter, a carbon filter, an activated carbon filter, and the like. What is necessary is just to be comprised so that discharge of purified water may be made through the communication hole 34a and the water supply hole 20a, without forming 34b and the concentrated water hole 20c.

Although the above-described embodiment shows a filtration device using a membrane filter, the present invention is not limited thereto. For example, when a filter such as a ceramic filter, a carbon filter, or an activated carbon filter is applied, the concentrated water is discharged in FIG. 3. The purified water may be discharged through the communicating hole 34a and the purified water hole 20b as shown in FIG. 6 without forming the communicating hole 34b and the concentrated water hole 20c.

As described above, according to the filtration device of the water purifier according to the present invention, the filter member can be replaced by separating the inner housing from the outer housing, so that the filter replacement is very easy, and the raw water, purified water and agricultural water are replaced when the filter is replaced. It is easy to use by preventing leakage or backflow. By inserting the protrusion of the inner housing into the recess formed in the outer housing, the raw water hole and the water supply passage communicate with each other. It has a variety of effects such as to be improved.

Claims (10)

An outer housing formed with a plurality of water supply holes, purified water holes, and concentrated water holes for opening and closing of raw water, purified water and concentrated water, an inner housing detachably inserted into the outer housing, and an inner housing. A filter member which is inserted detachably and removes harmful substances contained in raw water, a purified water pipe having a plurality of purified water inflow holes for introducing purified water through the filter member, an inner lid detachably coupled to the outer housing and the inner housing; Filter device for water purifier, characterized in that the outer lid is provided. The filtration apparatus of claim 1, wherein a raw water passage communicating with a water supply hole is formed inside the inner housing. The filtration apparatus of claim 1, wherein the filter member is coupled to a purified water pipe formed with a plurality of purified water inflow holes so that purified water flows in. According to claim 1, wherein the outer housing is coupled to the first valve for regulating the inflow and outflow of raw water, purified water and concentrated water, the inner housing has a second valve for opening and closing operation in accordance with the coupling and separation of the first valve Filtration device for a water purifier, characterized in that provided. According to claim 4, wherein the first valve is elastically lifting operation according to the coupling and separation of the inner housing to the first operating shaft for selectively opening and closing the raw water, purified water and concentrated water, and the first operating shaft Filtration device for a water purifier, characterized in that the fixed valve body is provided. The filtration of the water purifier according to claim 4, wherein the second valve includes a second operation shaft elastically lifting and lowering upon insertion and separation in the outer housing and a valve body fixed to the second operation shaft. Device. The filtration apparatus of claim 1, wherein a recess is formed at one side of the outer housing, and a protrusion is inserted into the recess at an outer side of the inner housing. According to claim 5 or 6, The first and second working shaft (26) (40) in communication with the water supply hole (20a), water purification hole (20b) and concentrated water (20c) in accordance with the lifting operation A filtration device for water purifier, characterized in that valve bodies (30) (30a) for opening and closing the (34a) and (34b) are provided. The flange 24 according to claim 5 or 6, wherein a flange 24 is formed at an upper end of the first operating shaft 26 to contact a downward projection 38b formed inside the connector 34a, 34b. The flange 24 is a filtration device for a water purifier, characterized in that a plurality of through-holes (24a) are formed to enable the flow of fluid. According to claim 1, wherein the inner side of the outer lid is a filtration device for water purifier, characterized in that the protrusion is formed in close contact with the outside of the inner lid.