KR20120038281A - Connecter for assembling filter sump - Google Patents

Abstract

PURPOSE: A filter sump fastening connector is provided to prevent both the introducing path and the discharging path of fluid due to a check valve in case of separating a connector and a filter sump. CONSTITUTION: A connector housing(110) includes the introducing path(111) and the discharging path(112) of fluid. A first middle conduit(130) includes a hollow part. A check valve(140) is slid along the outer circumference of the first middle conduit. The first center conduit forms flow paths. The paths respectively are in connection with the introducing path and the discharging path. One or more through holes are arranged at the lower side of the first middle conduit. When the check valve is upwardly slid, the through hole is opened. A filter sump fastening connector further includes an elastic member. The elastic member pressurizes the check valve to the lower side of the first middle conduit to maintain the through hole in a sealed state.

Description

Connector for filter sump {Connecter for assembling Filter Sump}

The present invention relates to a filter assembly, and more particularly, to a connector for fastening filter sumps in which a flow path of a fluid is blocked by a check valve when a connector and a filter summ are separated.

Generally, the filter filters foreign substances contained in a fluid such as a gas or a liquid, and is commonly used for a water treatment filter such as a water purifier or an ionizer, a living water treatment device such as a bidet, or a semiconductor manufacturing process. It is installed and used for the filtration of process solutions in the manufacturing process of various products.

Such a filter has a predetermined useful life according to the conditions of use, since the filtered foreign matter accumulates in the filtration member as the use time elapses, thereby degrading the filtration function. However, when piping such as raw water supply pipes and treated water discharge pipes is directly connected to the filter module, it is necessary to separate and recombine the connected pipes to replace the filter, which is too inconvenient and cumbersome for a general user.

Accordingly, a structure is used in which a connector is connected to a pipe to be fixedly installed, and a filter sump is detachably coupled to the connector in a simple manner. In addition, in order to further increase the convenience of filter replacement, a filter assembly having an auto shutoff valve that automatically opens and closes the inlet port is used as the filter sump is coupled to the connector.

However, such a conventional filter assembly has a problem in that the fluid leaks to the outside through the outlet which is not closed during separation of the filter sump because only the inlet is opened and closed when the filter sump and the connector are coupled or separated.

In order to solve the above problems, the present invention forms a water supply hole in the lower portion of the central conduit connected to the outlet of the connector to open and close the water supply hole according to the elevation of the check valve can be blocked at the inlet and outlet of the connector at the same time To provide a filter sump connector.

In order to achieve the above object, the present invention provides a connector housing having an inlet and a discharge part through which the fluid flows in and out; A first central conduit having a hollow inside and extending to a predetermined length, the first and second conduits defining a flow path in which the inside and the outside of the inlet and the outlet communicate with each other; And a check valve disposed to slide a predetermined distance along an outer circumferential surface of the first central conduit, wherein the lower portion of the first central conduit is provided with at least one water hole, and the water flow when the check valve slides upward. The ball is characterized in that the opening.

Preferably, an elastic member may be further provided to press the check valve to the lower side of the first central conduit to keep the water passage closed.

Preferably, when the check valve is coupled to the filter sump, the check valve may be urged upward through the contact with the filter sump to open a flow path and a water hole formed outside the first central conduit.

Preferably, the inner surface of the connector housing is provided with a seating portion extending in a predetermined length in the middle of the length, the upper end of the check valve is provided with a protrusion extending a predetermined length to the outside is provided with a lower surface and the seating portion of the protrusion The fluid movement path may be opened and closed by closely contacting and separating the upper surfaces.

Preferably, the water passage may be formed to be disposed below the seating portion.

Preferably, when the fluid flow path is closed through the movement of the check valve, the check valve is formed in contact with the side of the seating portion, and the contact portion is provided with a sealing member to prevent the fluid from leaking. .

Preferably, the first central conduit may be provided with a stepped portion in the middle of the length such that the outer diameter of the upper side is larger than the outer diameter of the lower side, thereby restraining the upward position of the check valve.

Preferably, the first central conduit is provided with a spring seating portion in which the upper end is sealed and the lower part is opened so that the spring can be inserted in the middle of the length, and the lower end of the spring is in close contact with the upper surface of the check valve. The check valve can be operated elastically.

The present invention also provides a filter assembly detachably coupled to a filter sump to a connector, the connector comprising: a connector housing having an inlet and an outlet through which fluid flows in and out; A sump coupling part connected to one side of the connector housing to allow the filter sump to be coupled; At least one through-hole having a predetermined length is formed in the lower side through the circumferential direction, the open upper side is in communication with the discharge portion, the fluid flow through the inlet portion is moved to the filter sump side A first central conduit spaced apart from the inner surface of the sump coupling portion so as to form a furnace and disposed at a central portion of the sump coupling portion; And a check valve inserted into a lower side of the first central conduit so as to slide along the outer circumferential surface of the first central conduit, wherein the water passage and the fluid movement path are simultaneously opened and closed by sliding the check valve. It is characterized in that the inlet and outlet of the fluid between the filter sump and the connector is made at the same time.

According to the present invention as described above, by forming a water hole in the lower portion of the central conduit connected to the outlet of the connector to open and close the water hole according to the lifting of the check valve to separate the filter sump by blocking the inlet and outlet of the connector at the same time There is an effect that can prevent the fluid from leaking outside.

1 is an external perspective view showing a filter assembly of the present invention.
2 is an exploded perspective view of FIG. 1;
Figure 3 is an internal cross-sectional view showing a coupled state of the connector and the filter sump.
Figure 4 is an internal cross-sectional view showing a separated state of the connector and filter sump.

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

In the following description, the same reference numerals will be used to refer to the same elements even though the same reference numerals are used to refer to the same elements.

In one embodiment, the filter assembly 1 according to the present invention is detachably coupled to a connector 100 and a lower portion of the connector 100 that are connected and fixed to a pipe installed to supply a fluid to each use place. And a filter summ 200.

The connector 100 may include a connector housing 110 having an inlet 111 and an outlet 112 connected to the pipe at both sides thereof so that fluid may be introduced into and discharged from the pipe, and the connector housing ( It is connected to the lower portion of the 110 includes a sump coupling portion 120 is coupled to the filter sump 200 so as to communicate with the inlet 111 and outlet 112.

That is, the fluid introduced through the inlet 111 is introduced into the filter sump 200 through the sump coupling part 120 and filtered, and then recovered to the sump coupling part 120 to be discharged. The fluid filtered through 112 is supplied to the pipe.

In addition, a first central conduit 130 connected to the discharge part 112 is provided at an inner side of the sump coupling part 120, and a fluid to be filtered and a filter sump introduced through the inlet 111 from the pipe ( The filtered fluid which is filtered at 200 and transferred to the pipe through the discharge part 112 may be smoothly introduced into the discharge part 112 without being mixed with each other.

In this case, the sump coupling portion 120 may be provided in a manner that is separately provided and coupled to the connector housing 110, as shown in the figure, may be provided integrally with the connector housing 110. To reveal.

The first central conduit 130 has an open upper part and a lower end is provided in a hollow shape so that the open upper part is connected to the discharge part 112 of the housing connector 100. Is placed on.

As such, since the first central conduit 130 is disposed inside the sump coupling part 120, a space between the inner surface of the sump coupling part 120 and the outer surface of the first central conduit 130 is introduced into the inlet. The fluid introduced through the portion 111 forms a fluid movement path 125 that is moved toward the filter summ 200. The fluid movement path 125 serves as an inflow path for introducing a fluid to be filtered to the filter summ 200 side.

Of course, the first central conduit 130 may be installed to be deflected on the left or right side of the sump coupling portion 120, not the center portion, but the fluid is smoothly blocked and disposed at the center portion for structural stability. desirable.

And at the lower side of the first central conduit 130 is provided with at least one through hole 131 is formed through the circumferential direction so that the fluid can be introduced into the hollow.

Due to this, the fluid introduced through the inlet 111 is introduced into the filter summ 200 through the fluid movement path 125 to filter foreign matter, and then through the water hole 131, the first central conduit 130. Reintroduced back into the pipe through the discharge portion 112 through the inside of the).

The lower side of the first central conduit 130 is inserted into the check valve 140 for opening and closing the inlet 111 and outlet 112 at the same time.

In this embodiment, the check valve 140 simultaneously opens and closes the fluid movement path 125 and the water passage 131 through sliding movements in the up and down directions along the outer circumferential surface of the first central conduit 130. It is provided to be.

That is, the check valve 140 is hollow so that the central portion can be inserted into the first central conduit 130, the upper side is provided with a protrusion 141 extending a predetermined length outward along the circumference.

And, the inner surface of the sump coupling portion 120 is provided with a seating portion 121 extending in a predetermined length in the middle in the middle as shown in Figure 3 when the check valve 140 is moved downward The protrusion 141 may be caught by the seating part 121.

At this time, the water supply hole 131 formed on the lower side of the first central conduit 130 is disposed to be located below the seating portion 121.

Accordingly, when the check valve 140 is moved downward along the first central conduit 130, the protrusion 141 is caught by the seating part 121 to constrain the movement in the downward direction. As the lower surface of the protrusion 141 and the upper surface of the seating portion 121 are in close contact with each other, the fluid movement path 125 formed between the outer diameter of the first central conduit 130 and the inner surface of the sump coupling portion 120 is provided. It is closed to prevent the fluid flowing through the inlet 111 from flowing into the filter summ 200 side. At this time, the check valve 140 is to form a contact portion 142 in contact with the side portion 122 of the seating portion is preferably provided with a sealing member 143 in the contact portion 142 to prevent the fluid from leaking. In addition, the lower side of the check valve 140 seals the water supply hole 131 to block the flow of fluid into the interior of the first central conduit 130 through the water supply hole 131 discharge portion The fluid transferred to the pipe through the 112 is prevented from falling back. This occurs in the process of separating the filter sump 200 from the sump coupling part 120.

On the contrary, when the check valve 140 is moved upward along the first central conduit 130, the protrusion 141 is also moved upward to the lower surface of the protrusion 141 and the upper surface of the seating portion 121. The fluid movement path 125 is opened by being separated from each other so that fluid flows from the inlet 111 to the filter summ 200. In addition, the water passage 131, which is sealed by the lower side of the check valve 140, is also opened again through the upward movement of the check valve 140 to allow movement to the discharge part 112 through the water passage 131. Done. At this time, the first central conduit 130 is provided so that the outer diameter of the upper side is larger than the outer diameter of the lower side is provided with a stepped portion 134 in the middle thereof to limit the upward position of the check valve 140. . This occurs in the process of fastening the filter sump 200 from the sump coupling part 120.

The check valve 140 is formed by the upper end of the filter summ 200 which will be described later when the filter summ 200 and the connector 100 are coupled to each other, more specifically, by the upper end of the small diameter part 232 of the head part 230. The upper end of the small diameter portion 232 is moved downward to remove the force to push up the check valve 140 is removed, the check valve 140 is inlet 111 It is moved downward by the pressure of the fluid flowing through the to close the fluid movement path 125 and the water passage 131 through the above-described process.

At this time, the middle of the length of the first central conduit 130, the upper end is sealed and the spring seating portion 132, the lower opening is protruded, both ends of the closed end and the check valve 140 of the spring seating portion 132, respectively The spring 133 may be inserted into the spring seating portion 132 so as to be supported by the upper surface of the bottom side thereof so that the check valve 140 may be elastically operated. This allows the check valve 140 to move smoothly downward along the first central conduit 130 by the elastic force of the spring 133 when the filter summ 200 is separated, and at the same time, the check valve 140 is downward. This is to keep the contact between the protrusion 141 and the seating portion 121 smoothly by pressing. As a result, the fluid movement path 125 and the water passage 131 are stably sealed, thereby preventing the fluid from falling out during the separation process.

The filter sump 200 has a structure in which a filtration member is provided in the sump housing 210 formed in a container shape so as to have an open inner space at an upper portion thereof, and a sump coupling portion of the connector 100 is disposed at an upper portion thereof. The head portion 230 inserted into and fastened to the 120 is provided.

The head portion 230 protrudes upward to push up the check valve 140 when the filter summ 200 and the connector 100 are fastened, and through the sump coupling portion 120 and the water hole 131. It consists of a hollow small diameter portion 232 and a large diameter portion 231 concentric with the inside so as to be in communication with the inlet portion 111 and the discharge portion 112, respectively. The small diameter portion 232 and the large diameter portion 231 are connected to each other via the support rib 233 as shown in FIG. 2 so as to be spaced apart from each other.

The upper end of the small diameter portion 232 is provided to protrude upward more than the upper end of the large diameter portion 231, so that the upper end of the small diameter portion 232 is coupled to the sump coupling portion 120. By pushing the check valve 140 upward, the closed water passage 131 and the fluid movement path 125 are opened, and the inside of the small diameter portion 232 has the water passage 131 and the discharge portion ( In communication with 112 and the inside of the large diameter portion 231 is in communication with the inlet 111 to serve to block the outflow and inflow of the fluid.

Therefore, the inside of the small diameter portion 232 serves as an outflow to guide the fluid filtered in the interior of the filter summ 200 toward the water supply hole 131 to move to the pipe through the discharge portion 112, The space between the small diameter portion 232 and the large diameter portion 231 communicates with the fluid movement path 125 and the inflow portion 111 to serve as an inflow path for guiding the fluid to be filtered into the filter summ 200. Done.

On the other hand, in the middle of the length of the check valve 140 is provided with a locking projection 144 protruding to the outside is the upper end of the small diameter portion 232 when the sump coupling portion 120 and the filter sump 200 is coupled In close contact with the locking protrusion 144 to push up the check valve 140.

In the internal space of the sump housing 210, a filtering member is disposed to filter the fluid introduced through the head part 230. The filter summ 200 according to the present invention is different from each other as an embodiment. The first filtration member 221 and the second filtration member 222 of the type are vertically disposed vertically.

In addition, the hollow portion of the first filtering member 221 and the second filtering member 222 communicates with the small diameter portion 232 and the lower end is spaced apart from the bottom of the sump housing 210 by a predetermined height. The central conduit 240 is to be arranged. At this time, the first filtration member 221 and the second filtration member 222 is a fluid movement path (271, 272, 273, 274) in which the fluid can be moved from the top to the bottom, respectively, as shown in Figs. It is inserted between the inner surface of the sump housing 210 and the second central conduit 240 to have a).

That is, the fluid movement path 271 (hereinafter referred to as the second fluid movement passage) formed between the outer diameter of the first filtration member 221 and the inner diameter of the sump housing 210, the first filtration member 221 Fluid flow path 272 (hereinafter referred to as' third fluid flow path) formed between the inner diameter and the outer diameter of the second central conduit 240, the outer diameter of the second filtration member 222 and the inner diameter of the sump housing 210 Fluid movement path (273) (hereinafter referred to as 'fourth fluid movement path') formed between the fluid movement path formed between the inner diameter of the second filtration member 222 and the outer diameter of the second central conduit 240 ( The second central conduit 240, the first and second filtration members 221 and 222, and the sump housing 210 are arranged in a concentric manner to have a 275) (hereinafter referred to as a fifth fluid movement path).

As described above, the filter sump 200 of the present invention stacks different kinds of filtration members in one sump housing 210 up and down at the same time and vertically flows the fluid introduced through the head 230 from the top to the bottom. After passing through the first filtration member 221 and the second filtration member 222 in sequence, the filtered fluid is moved upward through the second central conduit 240 to the connector 230 through the head portion 230 ( 100) to the side.

Accordingly, in order to filter various foreign substances and odors included in the fluid, the fluid to be filtered may be different from one sump housing 210 without having to sequentially pass through the plurality of filter sumps 200 having different roles. By sequentially passing the first and second filtration members 221 and 222 to play a role, one filter summ 200 may perform various filtration functions.

The first filtration member 221 and the second filtration member 222 may include a pleated filter and a carbon block filter in one embodiment. The pleated filter is disposed on the upper side, and the carbon block filter is disposed on the lower side. It can be filtered first in a pleated filter and then secondly in a carbon block filter.

Of course, the arrangement relationship between the pleated filter and the carbon block filter may be reversed, and the first and second filtration members 221 and 222 may be provided with other types of filters as well as the pleated filter and the carbon block filter. Reveal.

On the other hand, the filter sump 200 of the present invention is inserted into the hollow partition member 250 between the first filtration member 221 and the second filtration member 222, the second central conduit 240 On the lower side, the lower support 260 is inserted and disposed so that all the fluid introduced into the sump housing 210 through the large diameter part 231 of the head part 230 passes through the first filtration member 221 and then again. It is preferable to allow the second filtration member 222 to pass through.

That is, the fluid introduced into the inside through the large diameter portion 231 of the head 230 is the second fluid movement path 271 → the third fluid movement passage 272 → the fifth fluid movement passage 274 → the first After moving to the lower portion of the sump housing 210 through the four fluid movement path (273) and then transferred to the upper portion through the second central conduit 240 may be moved to the connector 100 side through the small diameter portion 232. To ensure that

To this end, the partition member 250 is provided so that its inner diameter is larger than the outer diameter of the second central conduit 240 to mediate a gap formed between the inner diameter of the partition member 250 and the outer diameter of the second central conduit 240. The third fluid movement path 272 and the fifth fluid movement path 274 communicate with each other. On the other hand, the outer circumferential surface of the partition member 250 is in close contact with the inner surface of the sump housing 210 so that the second fluid movement path 271 and the fourth fluid movement path 273 are blocked from each other to move the fluid. Do not happen. The sealing member 252 is provided on the outer circumferential surface of the partition member 250 to secure the blocking of the second fluid movement path 271 and the fourth fluid movement path.

In addition, the lower support 260 inserted into the lower side of the second central conduit 240 has a diameter of the coupling hole 264 formed through the central portion and the outer diameter of the second central conduit 240 as opposed to the partition member 250. By forming almost the same and forcibly fitting, all of the fluid introduced into the fifth fluid movement path 274 can move to the fourth fluid movement path 273 through the second filtration member 222. In this case, like the partition member 250, the sealing member 274 is provided at a portion where the coupling hole 264 of the lower support 260 and the second central conduit 240 contact each other to prevent the fluid from leaking. Do it. In addition, a plurality of support protrusions 262 are formed on the outer circumferential surface of the lower support 260 at a predetermined interval along the circumferential direction, so that the side ends of the support protrusions 262 are provided. In contact with the inner surface of the sump housing (210).

On the other hand, the lower support 260 is spaced apart from the bottom of the sump housing 210 by a predetermined height so that a space in which fluid can be moved between the lower support 260 and the bottom of the sump housing 210 is formed. The lower end of the second central conduit 240 is positioned in the space. As a result, the fluid moved from the fifth fluid movement path 274 to the fourth fluid movement path 273 through the second filtration member 222 is formed through a gap formed between the plurality of support protrusions 262. After the movement to the space is moved to the second central conduit 240 side.

As described above, the filter sump 200 of the present invention forms a bent flow path through which the fluid introduced into the plurality of filter sumps 200 is repeatedly filtered to increase the filtration efficiency of filtering foreign matter by the filtration member. It becomes possible.

Meanwhile, in the filter sump 200, the first and second filtration members 221 and 222 are spaced apart from each other by a predetermined distance between the second central conduit 240 and the inner surface of the sump housing 210, respectively, and the plurality of fluid movement paths 271, 272, 273, 274. The partition member 250 forms a stepped structure at the top and bottom, so that the small diameter portion 232 of the head 230 may also form the stepped portion 234 having the lower portion bent inward. Do it.

That is, the lower end of the first filtration member 221 is seated on the stepped structure formed on the upper portion of the partition member 250 and the upper end is seated on the stepped portion 234 formed on the lower portion of the small diameter portion 232 to the second end. The filtering member 222 is always spaced a predetermined distance from the outer diameter of the second central conduit 240.

In addition, the second filtration member 222 also allows the upper end to be seated on the stepped structure formed at the lower portion of the partition member 250 so as to be spaced at regular intervals from the outer diameter of the second central conduit 240 at all times.

The method of fastening the filter sump 200 to the sump coupling part 120 of the connector 100 may be implemented in various forms such as screw coupling, simple press fit coupling. For example, as shown in FIGS. 2 and 4, a first screw part 236 is formed on an outer circumferential surface of the large diameter part 231 of the upper part of the filter summ 200 in more detail. The second screw part 123 is formed on the inner side of the part 120 to correspond to the first screw part 236 to insert the upper part of the filter summ 200 into the sump coupling part 120 and then rotate. It can also be screwed in.

In addition, the first screw portion 236 and the second screw portion 123 is formed to have a double screw structure to reveal that it is possible to increase the stability of the fastening.

In addition, the outer surface of the filter sump 200 is provided with a plurality of slip prevention grooves 212 formed at a predetermined depth as shown in FIG. 1, so that the filter summ 200 slips from the user's hand when the user is mounted. To prevent it.

Although the coupling and coupling of the connector 100 and the filter summ 200 are illustrated and described in the present invention, the present invention is not limited thereto, and any method may be used as long as the filter summ 200 may be simply inserted into the connector 100. Make sure to use it.

Meanwhile, the filter assembly 1 of the present invention includes a plurality of drop preventing protrusions 124 and the filter sump 200 protruding inward to an open lower end of the sump coupling part 120 as shown in FIG. 2. The upper side of the-in more detail, the head portion 230 is provided with a drop preventing portion consisting of a plurality of engaging pieces 235 protruding outward in the circumferential direction to suddenly fall downward when the filter sump 200 is separated. Prevent it.

The plurality of anti-falling projections 124 and the locking piece 235 are provided in a radial manner so as to have a predetermined distance from each other in the circumferential direction at positions corresponding to each other. The gap between the grooves formed by the neighboring drop preventing protrusions 124 is formed to be larger than the circumferential length of the locking piece 235 so that the locking piece 235 falls when the filter summ 200 is fastened and separated. It can be easily separated through the groove formed between the prevention projections (124).

For this reason, the filter assembly 1 of the present invention is provided with a drop preventing part corresponding to each other at the upper part of the filter summ 200 and the lower part of the connector 100 so that the connector 100-more specifically, the sump coupling part 120. When the filter sump 200 is separated from the locking piece 235, the locking piece 235 falls to the drop preventing protrusion 124 and is primarily supported to prevent a sudden drop of the filter summ 200.

When the fall prevention part is provided as described above, the assembly of the connector 100 and the filter summ 200 causes the locking piece 235 to move upward through the groove formed between the fall prevention protrusions 124 and the filter summ 200. It is simply performed by rotating to be coupled to the connector 100.

When the filter summ 200 is separated, the filter summ 200 is rotated to release the coupling with the connector 100 and then moved downward to temporarily support the locking piece 235 to the fall prevention protrusion 124. After rotating the filter sump 200 in one direction, the locking piece 235 is moved to the position of the groove to be separated downward through the groove.

The present invention described above is not limited by the above-described embodiment and the accompanying drawings. Substitutions, modifications, and changes can be made easily by those skilled in the art without departing from the technical spirit of the present invention, and these substitutions, modifications, and changes are all apparently within the scope of the present invention.

1: filter assembly
100 connector 110 connector housing
111: inlet 112: outlet
120: sump coupling portion 121: seating portion
122: side portion 123: second screw portion
124: fall prevention protrusion 125: fluid movement path
130: first central conduit 131: water supply
132: spring seat 133: spring
134: stepped portion 140: check valve
141: protrusion 142: contact
143: sealing member 144: locking projection
200: filter sump 210: sump housing
212: slip prevention groove 221: first filtration member
222: second filtration member 230: head portion
231: large diameter 232: small diameter
233: support rib 234: stepped portion
235: engaging piece 236: first screw part
240: second central conduit 250: partition member
252: sealing member 260: lower support
262: support protrusion 264: coupling hole
266 sealing member 271: fluid movement path
272: fluid movement path 273: fluid movement path
274: fluid movement path

Claims (9)

A connector housing having an inlet and an outlet through which fluid flows in and out;
A first central conduit having a hollow inside and extending to a predetermined length, the first and second conduits defining a flow path in which the inside and the outside of the inlet and the outlet communicate with each other; And
And a check valve arranged to slide a predetermined distance along an outer circumferential surface of the first central conduit.
The lower part of the first central conduit is provided with at least one through hole, the filter sump connector for connecting the filter, characterized in that the through hole is opened when the check valve slides upward. The method of claim 1,
And a resilient member for pressurizing the check valve to the lower side of the first central conduit to maintain the watertight hole in a closed state. The method of claim 1,
The check valve is connected to the filter sump through the contact with the filter sump by pressing the check valve upwards, the filter sump connector, characterized in that the flow path and the hole formed in the outside of the first central conduit is opened. . The method of claim 1,
The inner side of the connector housing is provided with a seating portion extending in a predetermined length in the middle of the length, the upper end of the check valve is provided with a protrusion extending a predetermined length to the outside is in close contact between the lower surface of the protrusion and the upper surface of the seating portion And a filter sump connector for opening and closing the fluid path through separation. The method of claim 4, wherein
The water collecting hole is a filter summ fastening connector, characterized in that formed to be disposed below the seating portion. The method of claim 4, wherein
When the fluid flow path is closed through the movement of the check valve, the check valve is formed with a contact portion in contact with the side of the seating portion, the contact portion is provided with a sealing member is further characterized in that the filter sump to prevent fluid leakage Fastening connector. The method of claim 1,
The first central conduit has a filter sump connector, characterized in that the stepped portion is provided in the middle of the length so that the outer diameter of the upper side is larger than the outer diameter of the lower side to restrain the upward position of the check valve. The method of claim 1,
The first central conduit is provided with a spring seating portion in which an upper end is sealed and a lower part is opened so that a spring can be inserted in the middle of the length, and a lower end of the spring is arranged to be in close contact with an upper surface of the check valve. Filter sump fastening connector, characterized in that the elastic operation. A filter assembly in which a filter summ is detachably coupled to a connector, the filter assembly comprising:
Wherein the connector comprises:
A connector housing having an inlet and an outlet through which fluid flows in and out;
A sump coupling part connected to one side of the connector housing to allow the filter sump to be coupled;
At least one through-hole having a predetermined length is formed in the lower side through the circumferential direction, the open upper side is in communication with the discharge portion, the fluid flow through the inlet portion is moved to the filter sump side A first central conduit spaced apart from the inner surface of the sump coupling portion so as to form a furnace and disposed at the center of the sump coupling portion; And
And a check valve inserted into a lower side of the first central conduit to slide along the outer circumferential surface of the first central conduit.
Sliding movement of the check valve is the filter assembly, characterized in that the through-hole and the fluid movement path is opened and closed at the same time, the flow of fluid between the filter sump and the connector at the same time.

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