KR20210002077U - Filter assembly - Google Patents

Abstract

The present invention relates to a filter assembly having a dual filter structure, and to a filter assembly having a dual filter structure having different filtration characteristics. The present invention forms an empty space inside by combining the lower housing and the upper housing, an inlet for introducing water into the empty space is formed on the lower surface of the lower housing, and an outlet for discharging water from the empty space on the upper surface of the upper housing The housing unit is formed, the first filter unit is disposed inside the lower housing and purifies the water introduced through the inlet, and the first filter unit is disposed inside the upper housing and purifies the water purified by the first filter unit. It may include a second filter unit.

Description

filter assembly{FILTER ASSEMBLY}

The present invention relates to a filter assembly, and to a filter assembly having a dual filter structure having different filtration characteristics.

The supply rate of tap water in Korea is over 93%, and tap water is supplied to almost all households except for some islands and mountainous areas, and tap water is widely used as water for living.

In general, tap water is made by purifying water from water sources (rivers, lakes, reservoirs, etc.), and is supplied to the place of use after undergoing various water quality tests.

However, even tap water that has passed the water quality test can be contaminated by various foreign substances as it moves along the aging pipe, and when used directly in a shower or bath, it can cause skin diseases. In addition, chlorine added during the purification process of tap water may cause discomfort to users due to its unique smell.

Accordingly, there is a demand for a filter assembly capable of removing foreign substances and chlorine remaining in tap water.

An object of the present invention is to provide a filter assembly for removing foreign substances and chlorine remaining in tap water.

The technical task to be achieved by the present invention is not limited to the technical task mentioned above, and other technical tasks not mentioned may be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. There will be.

In order to achieve the above technical object, an embodiment of the present invention forms an empty space inside by combining the lower housing and the upper housing, and an inlet for introducing water into the empty space is formed on the lower surface of the lower housing, and the upper housing A housing part having an outlet for discharging water from the empty space is formed on the upper surface of the , and a first filter part disposed in the inner space of the lower housing and purifying water introduced through the inlet, and disposed in the inner space of the upper housing. , a second filter unit for re-watering the water purified by the first filter unit, and the first filter unit includes a plurality of hollow fiber filters bent in a U shape, and both ends of the hollow fiber filter are coupled to each other with outer surfaces At the same time, it includes an adhesive part for fixing it to the inner space of the lower housing, and the second filter part has a cylindrical filter having a hollow through it in the longitudinal direction, and is formed to cover the lower end of the cylindrical filter. Provided is a filter assembly comprising a lower cap having a spacer member protruding to hold it, and an upper cap having a shape that covers the upper end of the cylindrical filter, and in which a communication pipe for communicating the hollow and the outlet is formed to protrude.

In one embodiment of the present invention, a protrusion member in the shape of an empty tube into which a communication tube can be inserted is formed on the upper surface of the inner space of the upper housing at a predetermined distance from the discharge port, and one or more O-rings between the protrusion member and the communication tube This may be interposed.

In one embodiment of the present invention, a pair of moving guides having a sliding groove are formed along the longitudinal direction on the inner periphery of the upper housing, and a sliding protrusion movable along the sliding groove is formed on the outer periphery of the upper cap to protrude. can

In one embodiment of the present invention, the lower housing has an outlet hole formed through the side to communicate with the inner space, and a blocking part for opening and closing the outlet hole is disposed in the inner space by moving up and down according to the flow of water, and the blocking part is located at the inlet. When the flow of water to the outlet side occurs, it moves upward to close the outlet hole, and when the flow of water from the inlet to the outlet side is stopped, it moves down to open the outlet hole.

In one embodiment of the present invention, the outer periphery of the lower housing is wrapped around the outer periphery of the lower housing to block the outflow hole formed to communicate with the inner space, and one end is fixed to the inside of the outer shell and part of the outer shell It further includes a cover part made of a band exposed to, and when an external force is applied to pull the band outward, the outer shell is rolled down in a round shape and the outlet hole can be opened.

According to an embodiment of the present invention, the present invention can remove foreign substances and chlorine remaining in tap water through a double filter structure.

In addition, the present invention can facilitate replacement of the filter unit since the housing unit in which the filter unit is accommodated is separable from each other.

In addition, the present invention is formed in a structure that can remove the stagnant water inside the housing, it is possible to prevent the growth of bacteria or bacteria in the filter part by the stagnant water therein.

The effect of the present invention is not limited to the above-described effect, and it should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 is an exploded view of a filter assembly according to a first embodiment of the present invention.
2 is a cross-sectional view of a filter assembly according to a first embodiment of the present invention.
3 is a cross-sectional view of a filter assembly according to a second embodiment of the present invention.
4 is a cross-sectional view taken along line A-A' of FIG. 3 .
5 is a cross-sectional view of a filter assembly according to a third embodiment of the present invention.
6 is a cross-sectional view of a filter assembly according to a fourth embodiment of the present invention.
7 is a state diagram of a filter assembly according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be implemented in several different forms, and thus is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be “connected (connected, contacted, coupled)” with another part, it is not only “directly connected” but also “indirectly connected” with another member interposed therebetween. Including cases where In addition, when a part "includes" a certain component, this means that other components may be further provided, rather than excluding other components, unless otherwise stated.

The terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as "comprises" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded view of a filter assembly 1 according to a first embodiment of the present invention, and FIG. 2 is a cross-sectional view of a filter assembly 1 according to a first embodiment of the present invention.

The filter assembly (1) is installed between a faucet and a hose or between a hose and a discharge tool (shower head or hose) to purify the tap water flowing in and discharge it to the outside, the housing unit 10, the first filter unit (20) and a second filter unit 30 may be included.

The housing unit 10 may be formed by a combination of the lower housing 11 and the upper housing 12, and by the combination thereof, the first filter unit 20 and the second filter unit 30 can be accommodated therein. space can be formed.

The lower housing 11 may be formed in a cylindrical shape having an inner space 111 with an open upper surface, and an inlet 112 having a diameter smaller than the diameter of the inner space 111 may be formed through a lower surface thereof.

The upper housing 12 may be formed in a cylindrical shape having an inner space 121 with an open lower surface, and an outlet 122 having a smaller diameter than that of the inner space 121 may be formed through the upper surface of the upper housing 12 .

The lower housing 11 and the upper housing 12 may be screw-coupled to each other in a separable manner. For example, a thread may be formed on the inner periphery of the lower end of the upper housing 12 , and a thread that meshes with the thread formed on the inner periphery of the upper housing 12 may be formed on the outer periphery of the upper end of the lower housing 11 . have. At this time, one or more O-rings 13 may be interposed between the lower housing 11 and the upper housing 12 to seal between the two.

According to an embodiment of the present invention, the lower housing 11 is a first protrusion member (with an empty tubular body shape) surrounding the inlet 112 at a predetermined distance from the inlet 112 on the lower surface of the inner space 111 ( 113) and the first protruding member 113 at a predetermined interval and enclosing the first protruding member 113 may be formed with a hollow tube-shaped second protruding member 114 .

At this time, the first protruding member 113 may be formed in a concave-convex shape in which an end adjacent to the first filter unit 20 has a concave portion and a convex portion repeated, and is located in the inner space 111 of the lower housing 11 . It may be in contact with the first filter unit 20 .

The upper housing 12 has a hollow tube-shaped third protruding member 123 and a third protruding member 123 surrounding the outlet 122 at a predetermined distance from the outlet 122 on the upper surface of the inner space 121 . ) and a fourth protrusion member 124 in the shape of a hollow tubular body surrounding the third protrusion member 123 at a predetermined interval may be formed. At this time, the second filter unit 30 may be inserted into the third protruding member 123 .

In addition, the lower housing 11 may have a hollow tube-shaped inlet pipe 115 surrounding the inlet 112 on the lower surface thereof. At this time, a thread for screw coupling with a faucet or a hose may be formed on the inner periphery or the outer periphery of the inlet pipe 115 .

The upper housing 12 may have a tubular-shaped discharge pipe 125 having a hollow interior surrounding the discharge port 122 on the upper surface thereof. At this time, the inner periphery or outer periphery of the discharge pipe 125 may be formed with a thread for screw coupling with a hose or a discharge tool.

The first filter unit 20 may be disposed in the inner space 111 of the lower housing 11, and purifies the water introduced into the inner space 111 of the lower housing 11 through the inlet 112, It can be discharged to the inner space 121 side of the upper housing 12 .

The first filter unit 20 combines the outer surfaces of the plurality of hollow fiber filters 21 bent in a U shape and both ends of the hollow fiber filters 21 with each other and the inner space 111 of the lower housing 11 at the same time. It may include an adhesive portion 22 for fixing to the. In this case, the adhesive part 22 may be an epoxy resin-based adhesive, and the plurality of hollow fiber filters 21 may be maintained in a U-shaped bent state by the adhesive part 22 .

The second filter unit 30 may be disposed in the inner space 121 of the upper housing 12 , and removes water introduced into the inner space 121 of the upper housing 12 through the first filter unit 20 . It can be purified and discharged to the outlet 122 .

The second filter unit 30 includes a cylindrical filter 31 having a hollow 311 penetrated in the longitudinal direction, a lower cap 32 covering the lower end of the cylindrical filter 31, and an upper cap covering the upper end of the cylindrical filter 31 . (33) may be included. In this case, the cylindrical filter 31 may be a carbon filter.

The lower cap 32 is a spacer member 321 for maintaining a predetermined distance from the first filter unit 20 on the lower surface is formed to protrude in the vertical direction, and is inserted into the hollow 311 of the cylindrical filter 31 on the upper surface. The rod 322 may be formed to protrude in a vertical direction.

The upper cap 33 may have a communication pipe 331 for communicating the hollow 311 and the outlet 122 to protrude upward. At this time, the communication pipe 331 may be inserted into the third protruding member 123 , and an O-ring 34 sealing between the communication pipe 331 and the third protruding member 123 may be interposed therebetween.

Meanwhile, the lower cap 32 and the upper cap 33 may be formed of a material that is impermeable to water.

Accordingly, the water introduced into the inner space 111 of the lower housing 11 through the inlet 112 may be moved to the inner space 121 of the upper housing 12 through the first filter unit 20, Water introduced into the inner space 121 of the upper housing 12 may be discharged to the outside through the outlet 122 through the second filter unit 30 . That is, the filter assembly 1 may purify water through two filtering processes.

According to an embodiment of the present invention, a cross-shaped rib 1151 may be formed inside the inlet pipe 115 . In this case, the rib 1151 may be formed integrally with the inlet pipe 115 .

In addition, the filter body 116 may be detachably coupled to the inside of the inlet pipe 115 . At this time, the sieve 116 may include a circular tube 1161 closely inserted into the inner periphery of the inlet tube and a sieve 1162 coupled to the inside of the circular tube 1161 to filter impurities.

Due to this, since impurities having a relatively large size floating in the water before being purified by the first filter unit 20 can be filtered, the lifespan of the first filter unit 20 can be extended.

3 is a cross-sectional view of the filter assembly 1 according to a second embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line A-A' of FIG. 3 .

With respect to the second embodiment, a description of the same configuration as that of the first embodiment will be omitted, and a configuration added or changed in the corresponding embodiment will be mainly described.

The upper housing 12 may be formed with one or more moving guides 126 having a sliding groove 1261 on the inner periphery in the longitudinal direction. At this time, the movement guide 126 is formed up to a position in contact with the upper end of the lower housing 11 , and does not affect the coupling between the lower housing 11 and the upper housing 12 .

The upper cap 33 may have a sliding protrusion 332 having a shape corresponding to the sliding groove 1261 protruding from the outer periphery. At this time, the sliding protrusion 332 is a first protrusion 3321 protruding outwardly from the outer periphery of the upper cap 33 and a second protrusion 3322 extending from the first protrusion 3321 to both sides in the vertical direction. may include.

Meanwhile, the sliding protrusion may be formed on the lower cap 32 as well, and may be formed in the same shape as the sliding protrusion 332 formed on the upper cap 33 .

For this reason, the second filter unit 30 may be disposed at a position spaced apart from the inner periphery of the upper housing 12 by a predetermined distance, and the communication tube 331 may easily enter the inside of the third protruding member 123 . can be inserted.

According to an embodiment of the present invention, the spacer member 321 formed on the lower surface of the lower cap 32 may be formed in a ring shape. In this case, the user can easily detach the second filter unit 30 from the inner space 121 of the upper housing 12 by hooking a hook on the separation member 321 or pulling a part of the body in the downward direction.

5 is a cross-sectional view of the filter assembly 1 according to the third embodiment of the present invention.

A description of the same configuration as that of the first embodiment will be omitted, and a configuration added or changed in the corresponding embodiment will be mainly described.

One or more outlet holes 117 communicating with the inner space 111 of the lower housing 11 may be formed through a side surface thereof. At this time, the lower end of the first filter unit 20 does not contact the third protruding member 123 , and the outlet hole 17 is located between the lower surface of the inner space 111 and the lower end of the first filter unit 20 . It may be formed at a height that is, and may be spaced apart from the first protruding member 113 by a predetermined interval.

In addition, the lower housing 11 moves up and down depending on whether water flows in the inner space 111 and a blocking part 118 for opening and closing the outlet hole 117 may be disposed. In this case, the blocking part 118 may be formed in the form of a disk through which the plurality of passage holes 1181 are formed, and may have a density higher than that of water. Due to this density difference, when no external force is applied to the blocking unit 118 , the blocking unit 118 may be positioned below the outlet hole 117 and open the outlet hole 117 .

When the flow of water from the inlet 112 to the outlet 122 does not occur, the blocking part 118 may be located below the outlet hole 117 .

Therefore, when a flow of water occurs from the inlet 112 to the outlet 122 side, the blocking unit 118 moves upward to close the outlet hole 117, and the water from the inlet 112 to the outlet 122 side When the flow is stopped, the blocking portion 118 may move downward to open the outlet hole 117 .

On the other hand, on the inner periphery of the lower housing 11, a movement limiting protrusion 119 that restricts further upward movement at a height at which the blocking portion 118 closes the outlet hole 117 is formed to protrude along the periphery of the inner periphery. can

In addition, although not shown in the present invention, a seating groove (not shown) is formed in the inner direction on the outer periphery of the blocking part 118 , between the inner periphery of the inner space 111 and the outer periphery of the blocking part 118 . An O-ring (not shown) that seals the .

Accordingly, in the filter assembly 1 according to the third embodiment, when no water flow occurs, the outlet hole 117 is opened and water accumulated therein can be discharged to the outside. , 30) can be prevented from propagating bacteria or bacteria.

6 is a cross-sectional view of the filter assembly 1 according to the fourth embodiment of the present invention.

A description of the same configuration as that of the first embodiment will be omitted, and a configuration added or changed in the corresponding embodiment will be mainly described.

One or more outlet holes 117 communicating with the inner space 111 of the lower housing 11 may be formed through a side surface thereof. At this time, at this time, the lower end of the first filter unit 20 does not contact the third protruding member 123 , and the outlet hole 117 is between the lower surface of the inner space 111 and the lower end of the first filter unit 20 . It may be formed at a height located in

In addition, the lower housing 11 may be formed with a cover part 40 that surrounds the outer periphery of the lower end portion, which is rolled or unfolded according to an external force and opens and closes the outlet hole 117 .

The cover part 40 is fixed to the inside of the outer periphery of the lower end of the lower housing 11 and is fixed to the inside of the outer periphery of the outer periphery of the outer periphery of the outer shell 41 and a rubber material 41 of a rubber material that closes the outlet hole 117 . It may include a band 42 exposed to. At this time, when the user's external force pulling the band 42 outward is applied, the outer shell 41 may be rolled down in a round shape to open the outlet hole 117 .

On the other hand, the wound shell 41 can be unfolded again by the user's external force pushing up the rolled-up part.

Therefore, the user of the present invention closes the outlet hole 117 during use of the filter assembly 1 as needed to prevent water from leaking to the outside, and closes the outlet hole 117 when not in use to prevent water from leaking inside. Water can be drained to the outside. That is, the propagation of bacteria or bacteria in the filter units 20 and 30 by the water stagnated therein can be prevented.

On the other hand, the outlet hole 117 and the blocking part 118 of the third embodiment and the outlet hole 117 and the cover part 40 of the fourth embodiment may be applied to the second embodiment of the present invention. The cover part 40 of the fourth embodiment may be applied to the third embodiment.

7 is a state diagram of a filter assembly 1 according to an embodiment of the present invention.

A hose h may be coupled to the inlet pipe 115 of the lower housing 11 , and a shower head s may be coupled to the outlet pipe 125 of the upper housing 12 .

For this reason, the water introduced into the housing 10 through the hose h is purified by filtering impurities and organic matter by the first filter unit 20 , and purified by the first filter unit 20 . The filtered water may be re-watered from odors, chlorine, microorganisms, etc. by the second filter unit 30 and discharged to the outside through the shower head (s).

The description of the present invention described above is for illustration, and those of ordinary skill in the art to which the present invention belongs can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

1: filter assembly
10: housing part
20: first filter unit
30: second filter unit

Claims (5)

An empty space is formed therein by combining the lower housing and the upper housing, an inlet for introducing water into the empty space is formed on a lower surface of the lower housing, and an outlet for discharging water from the empty space on an upper surface of the upper housing A housing portion in which is formed;
a first filter unit disposed in the inner space of the lower housing and purifying water introduced through the inlet;
and a second filter unit disposed in the inner space of the upper housing and re-watering the water purified by the first filter unit,
The first filter unit,
A plurality of hollow fiber filters bent in a U-shape,
and an adhesive portion for coupling both ends of the hollow fiber filter to the outer surfaces and at the same time fixing it to the inner space of the lower housing,
The second filter unit,
A cylindrical filter through which a hollow is formed in the longitudinal direction, and
A lower cap formed in a shape to cover the lower end of the cylindrical filter, a spacer member for maintaining a spaced distance from the first filter unit protrudingly formed on a lower surface thereof;
The filter assembly, characterized in that it has a shape covering the upper end of the cylindrical filter, characterized in that it comprises an upper cap in which a communication pipe for communicating the hollow and the outlet is formed to protrude.
According to claim 1,
On the upper surface of the inner space of the upper housing,
A protrusion member in the shape of an empty tube into which the communication tube can be inserted is formed and surrounds the outlet at a predetermined distance from the outlet,
One or more O-rings are interposed between the protruding member and the communication tube, the filter assembly.
According to claim 1,
On the inner periphery of the upper housing,
A pair of movement guides having a sliding groove are formed along the longitudinal direction,
On the outer periphery of the upper cap,
A filter assembly, characterized in that a sliding protrusion movable along the sliding groove is formed to protrude.
According to claim 1,
The lower housing is
An outlet hole is formed through the side to communicate with the inner space, and a blocking part for opening and closing the outlet hole is disposed in the inner space by moving up and down according to the flow of water,
The blocking unit,
When the flow of water from the inlet to the outlet occurs, it moves upward to close the outlet hole, and when the flow of water from the inlet to the outlet is stopped, it moves downward to open the outlet hole, characterized in that, filter assembly.
According to claim 1,
A rubber material covering the outer periphery of the lower housing to block an outflow hole formed on the side surface of the lower housing to communicate with the inner space and a band having one end fixed to the inner side of the outer sheath, a part of which is exposed to the outside of the outer shell Further comprising a cover made of
When an external force pulling the band outward is applied, the outer shell is rolled down and the outlet hole is opened.

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