KR20120138464A - O-ring, filter cartridge having the same and filter housing having the same - Google Patents

O-ring, filter cartridge having the same and filter housing having the same Download PDF

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Publication number
KR20120138464A
KR20120138464A KR1020110057947A KR20110057947A KR20120138464A KR 20120138464 A KR20120138464 A KR 20120138464A KR 1020110057947 A KR1020110057947 A KR 1020110057947A KR 20110057947 A KR20110057947 A KR 20110057947A KR 20120138464 A KR20120138464 A KR 20120138464A
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KR
South Korea
Prior art keywords
filter
watertight
ring
main body
coupling
Prior art date
Application number
KR1020110057947A
Other languages
Korean (ko)
Inventor
박대석
Original Assignee
박대석
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Publication date
Application filed by 박대석 filed Critical 박대석
Priority to KR1020110057947A priority Critical patent/KR20120138464A/en
Publication of KR20120138464A publication Critical patent/KR20120138464A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B01D27/08—Construction of the casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/29—Filter cartridge constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B01D2201/304—Seals or gaskets

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

PURPOSE: A watertight o-ring, a filter cartridge including the same, and a filter housing including the same are provided to variously control the entire cross section diameter of the o-ring as much as the lengths of protrusion parts to be arranged into the opened part of the o-ring. CONSTITUTION: A watertight o-ring includes an elastic watertight part(56), a first protrusion part(57), and a second protrusion part(58). The watertight part is in the shape of a ring and includes a hollow space part and an opened part. The first protrusion part has a first inclined part(57a), and the second protrusion part has a second inclined part(58a). The first protrusion part is protruded along the upper outer circumference of the watertight part. The second protrusion part is protruded along the upper inner circumference of the watertight part.

Description

O-Ring, Filter Cartridge Having The Same and Filter Housing Having The Same}

The present invention relates to a watertight type O-ring, a filter cartridge and a filter housing including the same, and more particularly, to a watertight type O-ring for easy insertion or removal when the filter is inserted or removed, a filter cartridge and a filter housing including the same. It is about.

In general, the filter housing is to purify various particulate matters, bacteria, odors, etc. contained in the water cleanly. For this purpose, the filter for water purifier to clean the particulate contaminants such as rust, soil, and dust contained in the water cleanly And an ion exchange resin filter for a softener for converting hard water into soft water.

1 is a view showing a conventional filter housing, Figure 2 is a view showing a filter of a conventional filter housing.

1 and 2, the conventional filter housing includes a main body 100 in which the filter 300 is accommodated, and a lid part 200 that opens and closes an open upper portion of the main body 100. In addition, the main body 100 includes an inlet port 110 through which fluid is supplied, a outlet port 120 through which the fluid is discharged, a cover part 130 covering an open upper part, and a cover part 130 at the inlet port 110. And an extension tube 115 extending in the direction, and a guide portion 140 formed downward from the cover portion 130 to the inside of the main body 100 so as to guide the filter 300. In addition, the cover part 130 is formed in a plate shape to cover the upper side inside the main body 100, and the first through hole 132 at positions corresponding to the filter 300 and the extension pipe 115 in the cover part 130, respectively. And the second through hole 134 is perforated.

 The filter 300 filters the contaminated water cleanly, and the inner groove 310 is formed in the longitudinal direction thereof. Thus, the fluid obtained through the inlet 110 and the extension pipe 115 to the upper cover portion 130 of the main body 100 is collected into the inner groove 310 of the filter 300 by the water pressure, the filter 300 The filter is filtered out and discharged through the outlet 120 of the main body 100.

On the other hand, the coupling guide portion 134 is formed in the direction of the guide portion 140 at the edge of the first through hole 132 of the cover portion 130. And the O-ring 320 of the elastic material is mounted on the upper outer periphery of the longitudinal direction of the filter 300, when the filter 300 is accommodated in the guide portion 140, the O-ring 320 of the coupling guide 134 Closely inserted into the inner circumference, the fluid obtained above the cover 130 is not leaked into the space between the filter 300 and the coupling guide 134.

However, when the filter 300 is inserted into or removed from the coupling guide 134, the O-ring 320 mounted on the filter 300 is removed from the space 350 between the filter 300 and the coupling guide 134. While sliding up and down, it is inserted or removed, the cross-sectional diameter of the space 350 is smaller than the cross-sectional diameter of the O-ring 320, but a strong pressure on the filter 300, the shape of the O-ring 320 While deformed, there is a problem of being inserted or removed from the coupling guide 134 through the space 350.

SUMMARY OF THE INVENTION An object of the present invention for solving the problems of the prior art as described above is to provide a watertight O-ring, a filter cartridge and a filter housing including the same, which are easily inserted or removed when the filter is inserted or removed from the coupling guide. There is.

In order to achieve the above object, the present invention is formed in a ring shape, the water-tight portion of the elastic material having a hollow space portion in the vertical section in the longitudinal direction, and an open portion opened on the upper portion of the space; And a first protruding portion protruding in an outward direction along an upper outer periphery of the watertight portion, the first protruding portion having a first inclined portion formed to be inclined toward the outer periphery center direction of the watertight portion at the protruding tip portion. To provide.

The apparatus may further include a second protrusion having a second inclined portion protruding in an outward direction along the upper inner circumference of the watertight portion, the second inclined portion being inclined toward the inner circumferential center direction of the watertight portion at the protruding tip portion. Provided are watertight O-rings.

In addition, the sum of the protruding length of the first protrusion and the second protrusion provides a watertight O-ring, characterized in that configured to be equal to or less than the width length of the opening.

In addition, in the filter cartridge having a water-tight O-ring, the filter portion is formed with an inner groove that is open upward along the longitudinal direction, and the through hole is formed in a position opposite to the inner groove, which is mounted on the filter portion A filter comprising a filter coupling portion; And the O-ring accommodated in a watertight groove formed along the outer circumference of the filter coupling portion.

In addition, a filter housing including a filter cartridge having a water-tight O-ring, comprising: a main body having an inlet for introducing fluid to the outside and an outlet for discharging the fluid, and having an empty space portion opened upwardly; A housing main body including a guide part positioned in the space part to accommodate the filter part, and a cover part covering an open upper portion of the space part and having an insertion hole formed at a position corresponding to the filter part; One side is connected to the inlet, the other side is connected to the upper through pipe portion; And a cover part positioned to be opened and closed at an upper portion of the main body, and a coupling guide part is formed to insert the filter coupling part downward from an edge of the insertion hole, and the guide part is positioned below the coupling guide part. Provided is a filter housing comprising a filter cartridge having a watertight O-ring.

In addition, a plurality of legs are formed from the outside of the main body so that the main body is spaced apart from the ground, the discharge port is located at the lower end of the main body, the drain pipe is formed from the discharge port to the lower side outside the main body Provided is a filter housing including a filter cartridge having a watertight O-ring.

The watertight O-ring according to the present invention, the filter cartridge and the filter housing comprising the same, the overall cross-sectional diameter of the O-ring is variably small by the length of the first protrusion and the second protrusion accommodated in the opening of the O-ring, so that the filter coupling of the filter cartridge There is an effect that can be easily inserted or removed to the engaging guide portion of the additional cover.

In addition, the water-tight O-ring according to the present invention, the filter cartridge and the filter housing including the same, since the first and second protrusions of the O-ring made of an elastic material continue to apply the force in the outward direction, the filter coupling of the filter cartridge The coupling guide portion of the portion and the cover portion has an effect of maintaining watertightness closely with each other.

In addition, the water-tight O-ring according to the present invention, the filter cartridge and the filter housing including the same has the effect that the drain portion is located below the main body, the fluid inside the main body quickly exits through the drain.

1 is a view showing a conventional filter housing.
2 is a view showing a filter of a conventional filter housing.
3 is a view illustrating a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention.
4 is a schematic cross-sectional view of an O-ring of a filter cartridge having a watertight O-ring in accordance with a preferred embodiment of the present invention.
5 is a view illustrating an open state of a filter housing including a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention.
FIG. 6 is a view schematically illustrating the inside of a filter housing including a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention.
7 is a view schematically illustrating a state in which the filter coupling portion of the filter cartridge is inserted into the coupling guide of the cover portion in the filter housing including the filter cartridge having the watertight O-ring according to the preferred embodiment of the present invention.
8 is a view schematically illustrating a state in which a filter coupling part of a filter cartridge is inserted into a coupling guide of a cover part in a filter housing including a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in more detail a watertight type O-ring, a filter cartridge and a filter housing including the same according to an embodiment of the present invention.

3 is a view illustrating a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention.

Referring to FIG. 3, the filter cartridge 50 having the watertight O-ring according to the preferred embodiment of the present invention includes a filter 51 and an O-ring 55.

The filter 51 includes a filter unit 52, a filter coupling unit 54, and a handle unit 59. The filter unit 52 cleans contaminated water or cleaning solution, and is formed to be elongated in the longitudinal direction, and an inner groove 52a is opened upward along the longitudinal direction. After the external fluid is guided to the inner groove 52a of the filter unit 52, the external fluid is filtered through the outside of the filter unit 52. The filter coupling part 54 is inserted into the coupling guide part 35 (shown in FIG. 5) to be described later to fix the filter part 52. The filter coupling part 54 is mounted on the upper part of the filter part 52 and faces the inner groove 52a. The through hole 54a is formed at the position where the external fluid moves to the inner groove 52a of the filter unit 52. The watertight groove 54b is formed along the outer circumference of the filter coupling portion 54 so that the O-ring 55 to be described later is located. The handle portion 59 is mounted at the upper center of the filter coupling portion 54 so as to be easily gripped by the user.

O-ring 55 will be described in detail with reference to the following drawings.

4 is a schematic cross-sectional view of an O-ring of a filter cartridge having a watertight O-ring in accordance with a preferred embodiment of the present invention.

First, referring to FIG. 4A, the O-ring 55 may be inserted into a watertight manner when the filter coupling portion 54 (shown in FIG. 3) is inserted into the coupling guide portion 35 (shown in FIG. 5) described later. It is formed of an elastic material such as rubber, and comprises a watertight portion 56 and a first protrusion 57. The watertight portion 56 is located in the watertight groove 54b of the filter coupling portion 54, and is formed in a ring shape having an inner circumference surrounding the outer circumference of the watertight groove 54b. The inside is provided with an empty space portion 56a and an open portion 56b that is opened on the upper portion of the space portion 56a. The first protrusion 57 is formed to protrude outward from the outer circumferential upper portion of the watertight portion 56, and is formed to be inclined toward the center of the outer circumference of the watertight portion 56 at the protruding tip portion of the first protrusion 57. The first inclined portion 57a is provided.

And by the external pressure, the first protrusion 57 is moved in the direction of the open portion 56b of the watertight portion 56, so that the first protrusion 57 does not protrude outward from the watertight portion 56. This means that when the filter coupling portion 54 is inserted into the coupling guide 35 or the like, even if the space therebetween is smaller than the overall cross-sectional diameter of the o-ring 55, the overall cross-sectional diameter of the o-ring 55 is not affected by the external pressure. As a result, the first protrusion 57 is variably smaller by the length moving in the direction of the opening portion 56b, so that the filter coupling portion 54 can be easily inserted into or removed from the coupling guide portion 35 (shown in FIG. 5) described later. To make it possible. And since the 1st protrusion part 57 which consists of elastic materials continues to apply a force to an outward direction, the part which pressurizes the O-ring 55 continues to be watertight.

Subsequently, referring to FIG. 4B, the O-ring 55 may further include a second protrusion 58 to improve watertightness. Hereinafter, the O-ring 55 may include the first protrusion 57 and the first protrusion. It will be described on the basis of having the two projections (58). The second protrusion 58 is formed to protrude outward from the inner circumference of the watertight portion 56 and is inclined toward the inner circumferential center of the watertight portion 56 at the protruding tip portion of the second protrusion 58. 2 inclination parts 58a are provided.

Here, the sum of the protrusion length D1 of the first protrusion 57 and the protrusion length D1 'of the second protrusion 58 is configured to be equal to or smaller than the width D2 of the opening 56b. Accordingly, when the first protrusion 57 and the second protrusion 58 are moved toward the opening 56b of the watertight portion 56 by receiving external pressure, the first protrusion 57 and the second protrusion 58 are moved. Does not protrude outward from the watertight portion 56. This means that when the filter coupling portion 54 is inserted into the coupling guide 35 or the like, even if the space therebetween is smaller than the overall cross-sectional diameter of the o-ring 55, the overall cross-sectional diameter of the o-ring 55 is not affected by the external pressure. As a result, the first and second protrusions 57 and 58 are variably smaller by the length of the first and second protrusions 57 and 58b, so that the filter coupling portion 54 can be easily inserted into or coupled to the coupling guide 35. To be removed. On the other hand, since the first protrusions 57 and the second protrusions 58 made of an elastic material continue to exert a force in the outward direction, the portion that applies pressure to the O-ring 55 continues to maintain watertightness.

Hereinafter, a filter housing including a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention will be described in detail.

5 is a view showing an open state of a filter housing including a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention, Figure 6 is a watertight O-ring according to a preferred embodiment of the present invention Figure is a schematic view showing the interior of the filter housing including a filter cartridge.

Referring to the drawings, a filter housing including a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention comprises a filter cartridge 50, a housing body 5 and a cover 60.

The filter cartridge 50 filters the fluid introduced into the body 10 and flows into the body 10, and includes a filter 51 and an O-ring 55. Since the filter cartridge 50 has been described in detail with reference to FIGS. 3 and 4, a detailed description thereof will be omitted.

The housing main body 5 is comprised including the main body 10, the guide part 20, the cover part 30, the connection pipe 37, the leg part 40, and the drain pipe 45. As shown in FIG.

The main body 10 has a space 11 open upwardly to accommodate one or a plurality of filter cartridges 50. And the main body 10 is provided with an inlet 12 and an outlet 14, the inlet 12 is formed to penetrate the side of the main body 10, is configured to introduce an external fluid into the space 11. . And the discharge port 14 is formed to penetrate below the main body 10, it is configured to discharge the fluid introduced into the space portion 11 of the main body 10 to the outside.

The guide part 20 is provided in the space part 11 of the main body 10, and guides the filter part 52 so that it may be located inside the main body 10, and guides the filter part 52 of the filter cartridge 50. It is formed to accommodate, and consists of one or a plurality depending on the number of the filter unit 52. The guide part 20 may have a through hole (not shown) so that the fluid filtered by the filter part 52 or the cleaning liquid used for cleaning is easily discharged to the outside of the guide part 20.

The cover portion 30 is formed in a plate shape to cover the open upper portion of the space portion 11. An insertion hole 32 is formed at a position corresponding to the filter part 52 in the cover part 30, and the filter part 52 is accommodated in the guide part 20 through the insertion hole 32. At this time, the coupling guide portion 35 is formed to fix the filter coupling portion 54 of the filter cartridge 50 accommodated in the guide portion 20 downward along the edge of the insertion hole 32 of the cover portion 30. The guide portion 20 is welded to the coupling guide portion 35.

The connection pipe 37 is located in the space portion 11 of the main body 10, one side is connected to the inlet 12, and the other side is penetrated upwardly of the cover part 30. To this end, the inlet hole 34 is drilled at a position facing the other side of the connecting pipe 37 in the cover part 30.

Leg portion 40 is formed so that the plurality of the main body 10 is spaced apart from the ground protruding downward from the outside of the main body 10, the lower end in the longitudinal direction is supported on the ground and the main body 10 upward Space it apart.

The drain pipe 45 is one side is connected to the outlet 14, the other side is located below the main body 10 spaced apart from the ground by the leg portion 40, the fluid discharged from the outlet 14 is quickly Try to get outside. As such, since the main body 10 is spaced apart from the ground by the leg part 40, the drain pipe 45 may be located below the main body 10 and thus the fluid inside the main body 10 may be disposed. By gravity, it is easily collected at the outlet 14 formed below the main body 10, and the fluid collected at the outlet 14 can be quickly discharged to the outside through the drain pipe 45. On the other hand, the drain pipe 45 may be further provided with an opening and closing valve 47 for opening or closing it.

The cover 60 includes a cover portion 61 and a locking portion 62. First, the cover portion 61 closes the open upper portion of the main body 10, and is formed in a concave shape upward. In addition, in order to allow the coupling part for coupling the main body 10 and the cover part 61, for example, the cover part 61 to be tightly and easily coupled to the main body 10, an open upper side of the main body 10. Coupling means such as a clamp 65 is provided along the edge, and a locking portion 62 is formed at a position opposite to the clamp 65 in the lid portion 61, so that the clamp 65 is locked. It can be easily coupled to the (62).

The filter housing including the filter cartridge having the water-tight O-ring configured as described above, the fluid is introduced into the upper portion of the cover portion 30 through the inlet 12 and the connection pipe 37 of the main body 10, The fluid is collected into the inner groove 52a of the filter unit 52 by the water pressure, and then filtered out of the filter unit 52, and the filtered fluid is lowered to the lower side of the main body 10 through the guide unit 20. After being moved, it is easily discharged to the outside of the main body 10 through the discharge port 14 and the drain pipe 45.

FIG. 7 is a view schematically illustrating a state in which the filter coupling part of the filter cartridge is inserted into the coupling guide of the cover part in the filter housing including the filter cartridge having the watertight O-ring according to the preferred embodiment of the present invention. Is a view schematically illustrating a state in which a filter coupling part of a filter cartridge is inserted into a coupling guide of a cover part in a filter housing including a filter cartridge according to an exemplary embodiment of the present invention.

First, referring to FIG. 7, a filter housing including a filter cartridge having a watertight O-ring according to a preferred embodiment of the present invention is a filter of the filter cartridge 50 in the coupling guide 35 of the cover 30. As the coupling part 54 is inserted and coupled, the filter part 52 of the filter cartridge 50 is accommodated in the guide part 20 positioned below the cover part 30, and the coupling of the cover part 30 is performed. Between the guide part 35 and the filter coupling part 54 of the filter cartridge 50 is tightly held by the O-ring 55.

And when the filter coupling portion 54 of the filter cartridge 50 is inserted into the coupling guide portion 35 of the cover portion 30, the inclined first inclination of the first protrusion 57 formed in the O-ring 55 The portion 57a is slid while contacting the filter coupling portion 54, so that the first projection 57 naturally moves in the direction of the opening portion 56b of the O-ring 55.

Subsequently, referring to FIG. 8, the filter coupling part 54 of the filter cartridge 50 is completely inserted into the coupling guide part 35 of the cover part 30, and at this time, the watertight groove of the filter coupling part 54 is provided. The first protrusion 57 and the second protrusion 58 of the O-ring 55 positioned at 54b are completely received in the opening 56b of the O-ring 55. This is because although the space between the filter coupling portion 54 of the filter cartridge 50 and the coupling guide portion 35 of the cover portion 30 is smaller than the overall cross-sectional diameter of the O-ring 55, the entirety of the O-ring 55 is reduced. The cross-sectional diameter is determined by the external pressure, that is, the pressure of the filter coupling portion 54 of the filter cartridge 50 which is in contact with the O-ring 55 and the coupling guide portion 35 of the cover portion 30. The first protruding portion 57 and the second protruding portion 58 are moved toward the opening portion 56b of the watertight portion 56 so that the tip portions of the first protruding portion 57 and the second protruding portion 58 are the watertight portions. (56) It does not protrude to the outside, so that the O-ring 55 is configured to be accommodated in the watertight groove (54b).

As such, when the filter coupling portion 54 of the filter cartridge 50 is inserted into the coupling guide portion 35 of the cover portion 30, the O-ring 55 protruding out of the filter coupling portion 54 of the filter cartridge 50 is provided. ) Is accommodated in the watertight groove (54b), there is an effect that the filter coupling portion 54 is easily inserted or removed in the coupling guide (35).

In addition, since the first protrusion 57 and the second protrusion 58 are formed of an elastic material and continuously exert a force in the outward direction, the first protrusion 57 and the second protrusion 58 continue to be pressurized. Between the filter coupling portion 54 and the coupling guide portion 35 of the cover portion 30 of the filter cartridge 50 to be applied there is an effect that the water tightness is maintained in close contact with each other.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

5: housing body 10: body
11: space part 12: inlet
14: outlet 20: guide portion
30: cover 32: insertion hole
34: inlet hole 35: coupling guide
37: connector 40: leg portion
45: drain pipe 47: on-off valve
50: filter cartridge 51: filter
52: filter portion 52a: inner groove
54: filter coupling portion 54a: through hole
54b: Watertight Groove 55: O-Ring
56: watertight portion 56a: space portion
56b: opening 57: first protrusion
57a: first inclined portion 58: second protrusion
58a: second inclined portion 59: handle portion
60: cover 61: cover
62: engaging portion 65: clamp

Claims (6)

Is formed in a ring shape, the water-tight portion of the elastic material having a hollow space portion in the vertical section in the longitudinal direction, and an open portion opened on top of the space portion; And
A watertight type O-ring comprising a first protrusion having a first inclined portion protruding in an outward direction along an upper outer periphery of the watertight portion, the first protruding portion being inclined toward the center of the outer periphery of the watertight portion.
The method of claim 1,
And a second protrusion having a second inclined portion protruding in an outward direction along the upper inner circumference of the watertight portion, the inclined tip being inclined in the inner circumferential center direction of the watertight portion. Watertight O-ring.
The method of claim 2,
The watertight O-ring according to claim 1, wherein the sum of the protruding lengths of the first and second protrusions is equal to or smaller than the width of the opening.
The filter cartridge provided with the watertight type O-ring of any one of Claims 1-3,
A filter including a filter part having an inner groove open upward along a longitudinal direction, and a filter coupling part mounted on an upper portion of the filter part and having a through hole formed at a position opposite to the inner groove; And
And a watertight type O-ring, wherein the O-ring is received in a watertight groove formed along an outer circumference of the filter coupling portion.
A filter housing comprising a filter cartridge having a watertight O-ring according to claim 4, comprising:
A main body having an inlet for introducing a fluid to the outside and an outlet for discharging the fluid, the main body having an empty space portion opened upwardly therein; a guide portion positioned in the space so that the filter portion is accommodated; A housing body covering an open upper portion of the portion and including a cover portion having an insertion hole formed at a position corresponding to the filter portion;
One side is connected to the inlet, the other side is connected to the upper through pipe portion; And
A cover part positioned to be opened and closed at an upper portion of the main body,
The filter guide including a filter cartridge having a water-tight O-ring, characterized in that the coupling guide is formed so that the filter coupling portion is inserted from the edge of the insertion hole, the guide portion is located below the coupling guide.
The method of claim 5, wherein
A plurality of leg portions are formed downward from the outside of the main body so that the main body is spaced apart from the ground,
The outlet is located at the bottom of the body,
A filter housing comprising a filter cartridge having a water-tight O-ring, characterized in that the drain pipe is formed from the discharge port to the lower side outside the main body.
KR1020110057947A 2011-06-15 2011-06-15 O-ring, filter cartridge having the same and filter housing having the same KR20120138464A (en)

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KR20160016722A (en) * 2014-08-05 2016-02-15 에스피엑스 플로우 테크놀로지 유에스에이 인코포레이티드 Multi-cartridge filter adapter and interface system and method
KR101954760B1 (en) * 2017-10-20 2019-03-06 주식회사 마이크로필터 Water Cleaning System Having Backflushing Filter and Water Cleaning Method thereof
KR101954761B1 (en) * 2017-10-20 2019-03-06 주식회사 마이크로필터 Filter Assembly for Cleaning Water

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN103949110A (en) * 2014-05-22 2014-07-30 李广连 Oil filter with detachable sealing cover
KR20160016722A (en) * 2014-08-05 2016-02-15 에스피엑스 플로우 테크놀로지 유에스에이 인코포레이티드 Multi-cartridge filter adapter and interface system and method
KR101954760B1 (en) * 2017-10-20 2019-03-06 주식회사 마이크로필터 Water Cleaning System Having Backflushing Filter and Water Cleaning Method thereof
KR101954761B1 (en) * 2017-10-20 2019-03-06 주식회사 마이크로필터 Filter Assembly for Cleaning Water

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