WO2023158182A1 - Purificateur d'eau et module de filtre correspondant - Google Patents

Purificateur d'eau et module de filtre correspondant Download PDF

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Publication number
WO2023158182A1
WO2023158182A1 PCT/KR2023/002124 KR2023002124W WO2023158182A1 WO 2023158182 A1 WO2023158182 A1 WO 2023158182A1 KR 2023002124 W KR2023002124 W KR 2023002124W WO 2023158182 A1 WO2023158182 A1 WO 2023158182A1
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WIPO (PCT)
Prior art keywords
head
valve
filter
filter module
water
Prior art date
Application number
PCT/KR2023/002124
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English (en)
Korean (ko)
Inventor
김종필
이상덕
최유승
이진현
우수혜
Original Assignee
엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2023158182A1 publication Critical patent/WO2023158182A1/fr

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    • 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
    • B01D35/306—Filter mounting adapter
    • 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
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/147—Bypass or safety valves
    • 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
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/157—Flow control valves: Damping or calibrated passages
    • 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
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/157—Flow control valves: Damping or calibrated passages
    • B01D35/1573—Flow control valves
    • 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
    • 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
    • B01D2201/302—Details of removable closures, lids, caps, filter heads having inlet or outlet ports

Definitions

  • the present invention relates to a water purifier and a filter module therefor.
  • a water purifier refers to a device that purifies raw water such as tap water or ground water. That is, it refers to a device for purifying raw water into purified water through various purification methods and providing the purified water.
  • water purifiers may be equipped with various filters to purify raw water. These filters may be classified into a sediment filter, an activated carbon filter, a UF hollow fiber membrane filter, an RO membrane filter, and the like according to their functions.
  • the water purifier Since these filters need to be replaced regularly, a detachable structure is provided in the water purifier to enable coupling and separation from the water purifier.
  • the water purifier is provided with a valve for blocking or converting a flow path of raw water flowing into the filter when the filter is replaced.
  • the flow rate decreases as the structure of the flow path through which raw water or purified water flows is complicated and narrowed.
  • An object to be solved by the present invention is to provide a water purifier and a filter module therefor maximizing flow rate by improving the structure of a valve.
  • the water purifier includes a head body in which a filter module for purifying raw water is detachably coupled and has a head inflow passage for guiding the raw water to the filter module, and a head body movable in a vertical direction in the head inflow passage. and a valve having a helical inclined surface formed thereon, wherein the inclined surface contacts the filter module when the filter module is coupled, and closes the head inflow passage when the filter module is separated.
  • the water purifier may further include an elastic body disposed above the valve to provide an elastic force for moving the valve downward when the filter module is separated.
  • the valve includes a valve top supporting the elastic body, a valve body disposed below the valve top and blocking the vertical flow of the raw water in the head inlet passage when the filter module is separated, and a lower side of the valve body. It may include a hollow valve cam disposed on the lower end of which the inclined surface is formed.
  • the valve may further include a valve sealer coupled to a circumference of the valve body to seal between the head body and the valve body.
  • the filter module When the filter module is coupled to the valve cam, the raw water may flow therein.
  • the valve cam may be formed with a valve inlet opening to pass the raw water on the side.
  • the water purifier may further include a head cap coupled to an upper end of the head body and contacting an upper end of the elastic body, and the valve top may be inserted into a lower portion of the head cap to guide movement of the valve in a vertical direction.
  • the valve may have a valve groove inserted in a vertical direction, and a body key inserted into the valve groove may be formed in the head body.
  • the valve may be formed with a protruding valve key, and the head body may be formed with a body groove drawn in a vertical direction into which the valve key is inserted.
  • the head body includes a head inlet pipe formed so that the raw water flows in a horizontal direction, a head outlet pipe formed so that the purified water flows in a horizontal direction, and a head inner connected to the head inlet pipe to form the head inlet passage ,
  • a head outer may be disposed around the head inner to form a head outflow passage through which purified water purified by the filter module passes.
  • the head inner may guide the valve to move in a vertical direction.
  • the valve may be disposed such that an upper portion faces the head inlet pipe.
  • the valve When the filter module is separated, the valve may contact the inside of the head inner to close the head inlet passage.
  • the lower end of the valve may be disposed lower than the lower end of the head inner.
  • the valve When the lower portion of the valve is coupled to the filter module, the valve may be inserted into the filter module.
  • the filter module may include a spirally inclined filter cam contacting the inclined surface of the valve.
  • the valve cam may have two inclined surfaces symmetrically formed at a lower end, and each of the inclined surfaces may have a central angle of substantially 90 degrees.
  • the filter module may be coupled to the head body by rotating substantially 90 degrees, and the inclined surface may be formed such that the valve moves to the top when the filter module is rotated by 90 degrees.
  • the filter module according to an embodiment of the present invention is detachably coupled to a filter head including a head body having a head inflow passage for guiding raw water and a valve disposed to be movable in a vertical direction in the head inflow passage, and the head body
  • a filter module for purifying raw water introduced into an inflow passage comprising: a filter cap detachably coupled to the head body, a filter housing coupled to a lower end of the filter cap, and accommodated inside the filter housing to purify the raw water. and a filter inner top disposed inside the filter cap into which a lower portion of the head body is inserted, and the filter inner top includes a spirally inclined filter cam contacting the valve.
  • the filter cam may move the valve upward to open the head inflow passage when the filter cap and the head body are coupled.
  • the structure for opening and closing the flow path through which the raw water flows is simplified to a single valve, thereby minimizing the space consumption of the filter head and increasing the flow rate.
  • the valve quickly opens and closes the passage through which the raw water flows, thereby preventing residual raw water from falling from the filter head.
  • FIG. 1 is a perspective view of a water purifier according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a pipe of a water purifier according to an embodiment of the present invention.
  • FIG. 3 is a configuration diagram of a filter assembly according to an embodiment of the present invention.
  • FIG. 4 is a perspective view of a filter assembly according to an embodiment of the present invention.
  • FIG. 5 is a perspective view of a filter head and a filter module according to an embodiment of the present invention when coupled.
  • FIG. 6 is a perspective view of a filter head and a filter module according to an embodiment of the present invention when separated.
  • FIG. 7 and 8 are exploded perspective views of a filter head according to an embodiment of the present invention.
  • FIG. 9 is an exploded perspective view of a valve of a filter head according to an embodiment of the present invention.
  • FIG. 10 is a perspective view of a valve of a filter head according to an embodiment of the present invention.
  • FIG 11 and 12 are perspective views of a head body of a filter head according to an embodiment of the present invention.
  • FIG. 13 is a partial cross-sectional view of a filter head according to an embodiment of the present invention.
  • FIG. 14 and 15 are cross-sectional perspective views of a filter head according to an embodiment of the present invention.
  • FIG. 16 and 17 are exploded perspective views of a filter module according to an embodiment of the present invention.
  • FIG. 18 is a cross-sectional perspective view of a filter inner top of a filter module according to an embodiment of the present invention.
  • FIG. 19 is a view of a flow path structure when a filter head and a filter module are separated and coupled according to an embodiment of the present invention.
  • FIG. 20 is a diagram showing the flow of raw water and purified water in a filter head and a filter module according to an embodiment of the present invention.
  • 21 is a perspective view of a valve according to another embodiment of the present invention.
  • FIG. 22 is a cross-sectional view of a filter head according to another embodiment of the present invention.
  • FIG. 23 is a perspective view of a valve according to another embodiment of the present invention.
  • FIG. 24 is a cross-sectional view of a filter head according to another embodiment of the present invention.
  • first, second, etc. are used to describe various components, these components are not limited by these terms, of course. These terms are only used to distinguish one component from another component, and unless otherwise stated, the first component may be the second component, of course.
  • FIG. 1 is a perspective view of a water purifier according to an embodiment of the present invention.
  • a water purifier 10 purifies raw water directly supplied from an external water supply source and then cools or heats the purified water to take it out.
  • an external water supply source For example, it may be a direct water type cold/hot water purifier. there is.
  • the direct water purifier refers to a type of water purifier in which purified water is extracted during a user's operation of extracting purified water without a water tank for storing purified water.
  • the water purifier 10 may have an external appearance by combining a plurality of panels. More specifically, the water purifier 10 includes a front panel 11 forming a front exterior, a side panel 12 forming both side exteriors, an upper panel 13 forming an upper exterior, and a rear exterior. It may have a substantially hexahedral shape as a whole by combining a rear panel (not shown) forming the and a base panel (not shown) forming the lower surface. In addition, a plurality of parts for water purification are mounted in the inner space formed by combining the panels.
  • the front panel 11 includes an operation display unit 14 for displaying an operating state of the water purifier 10 when a user inputs an operation command of the water purifier 10 .
  • the operation display unit 14 is provided in the form of a plurality of buttons or a touch screen and is formed to enable light irradiation with each button.
  • the operation display unit 14 When the user presses or touches a button of the operation display unit 14, light is irradiated on the selected button, so that it is possible to easily recognize whether the button is selected or not, and the function of the display unit is performed simultaneously.
  • the operation display unit 14 is provided with a button for selecting the type of purified water to be consumed, that is, cold water, hot water, or normal temperature water, and a button for continuous water dispensing.
  • a display unit for displaying the temperature is provided. Buttons for performing additional functions may be further included in the operation display unit 14, and a configuration in which some buttons may be omitted may be possible.
  • a water chute 15 operable by the user to extract purified water is provided below the operation display unit 14 .
  • the water chute 15 is provided so that purified water can be extracted by a user's manipulation. Since the water chute 15 functions to open and close the outlet for the user to extract purified water, it can be expressed as an opening and closing device or an opening and closing nozzle.
  • the water chute 15 is configured to discharge purified water, cold water, or hot water according to the function of the water purifier 10 by a user's manipulation, and the lower side of the water chute 15, in detail, the front panel 11 A tray for accommodating purified water falling from the water chute 15 is provided at the lower front portion of the water chute 15.
  • FIG. 2 is a block diagram of a pipe of a water purifier according to an embodiment of the present invention.
  • a water supply line L is formed from the water supply source S to the water chute 15 of the water purifier 10, and various valves and water purification parts may be connected to the water supply line L.
  • the water supply line (L) is connected to a water supply source (S), for example, a faucet at home, and a filter assembly 17 is disposed at a certain point of the water supply line (L).
  • the filter assembly 17 purifies foreign substances included in the raw water supplied from the water supply source (S).
  • a water supply valve 61 and a flow sensor 70 may be sequentially disposed in the water supply line L connected to the outlet end of the filter assembly 17 .
  • the water supply valve 61 may be controlled to be closed.
  • the water supply line (L) extending from the outlet end of the flow sensor 70, at some point, the water supply line (L1) for supplying hot water, the water supply line (L3) for supplying cold water, and the water supply line (L2) for supplying cool water are branched.
  • a purified water outlet valve 66 is installed at the end of the water supply line L extending from the outlet end of the flow sensor 70, and a hot water outlet valve 64 is installed at the end of the water supply line L1 for supplying hot water.
  • a cold water outlet valve 65 is installed at an end of the water supply line L3 for supplying cold water, and a cooling water valve 63 is installed at a point in the water supply line L2 for supplying cooling water. The cooling water valve 63 controls the amount of cooling water supplied to the cold water generating unit 20 .
  • Water supply lines extending from outlet ends of the hot water outlet valve 64, the cold water outlet valve 65, and the purified water outlet valve 66 are all connected to the water chute 15.
  • purified water, cold water, and hot water may be configured to be connected to a single outlet, or in some cases, may be configured to be connected to independent outlets, respectively.
  • a refrigerant cycle for cooling the cooling water may be provided in the water supply line L2 for supplying the cooling water.
  • a refrigerant cycle may include a compressor, condenser, expansion valve, evaporator, and the like.
  • cold water selection button of the operation display unit is pressed and the cold water dispensing valve 65 is opened, cold water can be dispensed through the water chute 15 .
  • hot water is generated as the purified water flowing along the water supply line L1 for hot water supply is heated by the hot water heater 30, and when the hot water selection button on the operation display unit is pressed, the hot water outlet valve 64 is opened, the water chute Hot water can be dispensed through (15).
  • FIG. 3 is a configuration diagram of a filter assembly according to an embodiment of the present invention
  • FIG. 4 is a perspective view of a filter assembly according to an embodiment of the present invention.
  • the filter assembly 17 includes a pre-filter 100, a composite filter 200, and a head unit 900 to which the pre-filter 100 and the composite filter 200 are coupled. .
  • the pre-filter 100 has a built-in carbon block for adsorbing and removing small particle contaminants, residual chlorine, volatile organic compounds or odor generating factors.
  • the composite filter 200 may include a hollow fiber membrane for removing particulate matter and bacteria, and an electrostatic adsorption nonwoven fabric for removing particulate matter, bacteria and viruses.
  • the head unit 900 is disposed in the water supply line L and is connected to a flow path through which raw water and purified water flow.
  • Each of the pre-filter 100 and the composite filter 200 includes a filter module 120 that purifies raw water to generate purified water, and a filter head 110 to which the filter module is detachably coupled.
  • the filter heads 110 of the pre-filter 100 and the composite filter 200 have the same shape and structure, and the filter module 120 has almost the same shape and structure, with only slight differences in the type and structure of the built-in filter. Similar.
  • the filter head 110 and the filter module 120 will be described as being included in the pre-filter 100 as an example.
  • FIG. 5 is a perspective view of a filter head and a filter module according to an embodiment of the present invention when coupled
  • FIG. 6 is a perspective view of a filter head and a filter module according to an embodiment of the present invention when separated.
  • the filter head 110 is coupled to the head unit 900 to form a flow path through which raw water and purified water flow.
  • the filter head 110 guides raw water to the filter module 120 when the filter module 120 is coupled, and guides purified water generated in the filter module 120 to the outside.
  • a filter module 120 is detachably disposed below the filter head 110 .
  • the filter head 110 prevents raw water from leaking downward when the filter module 120 is separated.
  • the filter module 120 purifies raw water introduced through the filter head 110 to generate purified water.
  • the filter module 120 may include a filter member such as a carbon block, a hollow fiber membrane, and an electrostatic adsorption non-woven fabric. In this embodiment, a carbon block is provided.
  • the filter module 120 is detachably coupled to the filter head 110 . As shown in FIG. 6, the filter module 120 rotates clockwise when viewed from the bottom and is coupled. The filter module 120 is separated when rotated in a counterclockwise direction when viewed from the bottom in a coupled state.
  • the filter module 120 is coupled or separated by rotating 90 degrees. That is, when viewed from the bottom, the filter module 120 is coupled by rotating 90 degrees clockwise and separated by rotating 90 degrees counterclockwise.
  • FIGS. 7 and 8 are exploded perspective views of a filter head according to an embodiment of the present invention
  • FIG. 9 is an exploded perspective view of a valve of the filter head according to an embodiment of the present invention
  • FIG. 10 is an exploded perspective view of a valve of the filter head according to an embodiment of the present invention.
  • FIGS. 11 and 12 are perspective views of a head body of a filter head according to an embodiment of the present invention
  • FIG. 13 is a filter head according to an embodiment of the present invention.
  • FIGS. 14 and 15 are cross-sectional perspective views of a filter head according to an embodiment of the present invention.
  • the filter head 110 includes a head body 116 in which a filter module 120 for purifying raw water is detachably coupled and guiding raw water to the filter module 120, and a head body ( 116) is disposed to be movable in the vertical direction (up and down direction), and the valve 114 blocks the flow of raw water when the filter module 120 is separated, and is disposed above the valve 114 to
  • An elastic body 113 providing elastic force
  • a head cap 111 coupled to the top of the head body 116 to support the elastic body 113
  • a head sealing between the head cap 111 and the head body 116 O-ring 112 is included.
  • the valve 114 is formed in a substantially elongated cylindrical shape in the vertical direction.
  • the valve 114 is disposed to be movable in a vertical direction in the head inflow passage 1168 of the head body 116 .
  • the upper portion of the valve 114 is guided by the head cap 111 and the lower portion is guided by the head inner 1164 of the head body 116 .
  • the lower part of the valve 114 becomes a part of the passage through which the raw water flows.
  • the valve 114 has a spiral inclined surface 1143a formed at the lower end. The inclined surface 1143a of the valve 114 comes into contact with the filter module 120 when the filter module 120 is coupled.
  • the valve 114 is provided with elastic force by the elastic body 113 and moves downward when the filter module 120 is separated to close the head inlet passage 1168 .
  • the lower end of the valve 114 comes into contact with the filter module 120 and moves upward to open the head inlet passage 1168 .
  • the lower end of the valve 114 is disposed lower than the lower end of the head inner 1164 of the head body 116, so that when the filter module 120 is coupled, the lower part is inserted into the filter module 120.
  • the head body 116 forms a flow path through which raw water and purified water flow, and a filter module 120 is detachably coupled thereto.
  • the head cap 111 is coupled to the upper end of the head body 116, and the head O-ring 112 is disposed between the head cap 111 and the head cap 111.
  • the head body 116 has an elastic body 113 and a valve 114 disposed therein, and guides the valve 114 to be movable in a vertical direction.
  • the head cap 111 covers the top of the open head body 116 .
  • the head cap 111 supports the elastic body 113 and guides the upper portion of the valve 114.
  • a head O-ring 112 is provided between the head cap 111 and the head body 116.
  • a valve top 1141 is inserted into the lower portion of the head cap 111 to guide the vertical movement of the valve 114.
  • the head O-ring 112 seals between the head cap 111 and the head body 116.
  • the head O-ring 112 is preferably formed of an elastic material, and is mutually press fit so that the head cap 111 and the head body 116 are not separated.
  • the elastic body 113 has one end supported by the head cap 111 and the other end supported by the valve 114 to provide elasticity to the valve 114 .
  • the elastic body 113 is compressed when the filter module 120 is coupled and provides elastic force to move the valve 114 downward when the filter module 120 is separated.
  • the elastic body 113 may be formed of various materials and shapes having various elastic forces, and in this embodiment, the elastic body 113 is implemented as a spring made of a metal material.
  • the valve 114 is disposed on the lower side of the valve tower 1141 supporting the elastic body 113 and the valve tower 1141, and the filter module ( 120) is disposed on the lower side of the valve body 1142 and the valve body 1142 that blocks the vertical (upper and lower) flow of raw water in the head inlet passage 1168 when separated, and an inclined surface 1143a is formed at the bottom
  • the filter module 120 is coupled, the hollow valve cam 1143 and the valve body 1142 are coupled to the circumference of the hollow valve cam 1143 through which raw water flows, and the head inner 1164 of the head body 116 and the valve body 1142 It includes a valve sealer 1149 sealing the gap between them.
  • the valve top 1141 is formed in a hollow cylindrical shape with a part of the side opened.
  • the lower part of the elastic body 113 is inserted into the hollow of the valve top 1141.
  • the valve top 1141 is inserted into the cap guide 1113 of the head cap 111 and guided by the cap guide 1113 to move vertically.
  • the valve top 1141 is disposed to face the flow end of the head inlet pipe 1161 of the head body 116 to block the horizontal flow of raw water introduced into the head inlet pipe 1161.
  • the valve body 1142 extends downward from the lower end of the valve tower 1141.
  • the valve body 1142 is formed of two disks having different diameters, and the diameter of the upper disk is larger than that of the lower disk.
  • the valve body 1142 is formed so that the diameter of the upper disc is larger than the average diameter of the horizontal cross section of the valve tower 1141 and the diameter of the lower disc is smaller than the average diameter of the horizontal cross section of the valve cam 1143.
  • a valve sealer 1149 is coupled around the valve body 1142 .
  • the valve body 1142 is disposed within the head inner 1164 of the head body 116 and moves vertically.
  • the lower disk of the valve body 1142 is larger than the lower diameter of the head inflow passage 1168 to close the head inflow passage 1168 when the filter module 120 is separated.
  • the valve sealer 1149 is coupled to the circumference of the valve body 1142 to seal between the head inner 1164 of the head body 116 and the valve body 1142 .
  • the valve sealer 1149 is formed in the shape of a hollow disc with a constant outer diameter.
  • the inner side of the valve sealer 1149 is formed in two stages, so that the upper inner diameter is larger than the lower inner diameter.
  • valve sealer 1149 The lower part of the valve sealer 1149 is inserted into the lower disk of the valve body 1142 so that it does not move vertically with respect to the valve body 1142.
  • the valve sealer 1149 contacts the inner side of the head inner 1164 and closes the head inlet passage 1168 to block the vertical flow of raw water.
  • the valve sealer 1149 is seated at a portion where the inner diameter of the head inner 1164 is narrowed to close the head inflow passage 1168 .
  • the valve cam 1143 extends downward from the lower end of the valve body 1142.
  • the valve cam 1143 is formed in a long hollow cylinder in the vertical direction.
  • the valve cam 1143 is formed with a valve inlet 1144 opened to allow raw water to pass through the side surface (circumferential surface) of the head inlet pipe 1161 side.
  • the valve inlet 1144 communicates with the head inlet passage 1168 so that raw water passes through the inside and is discharged downward.
  • the valve cam 1143 has a valve groove 1145 drawn in the vertical direction on the side of the head outlet pipe 1162 (opposite to the valve inlet 1144). Referring to FIG. 15, the valve cam 1143 moves vertically without rotating when the body key 1164a of the head body 116 is inserted into the valve groove 1145 and the filter module 120 is coupled or separated. .
  • the upper side of the valve groove 1145 of the valve cam 1143 is preferably opened so that raw water flows in or out.
  • a protruding valve key is formed on the side of the valve cam 1143, and a body groove vertically inserted into the head body 116 is formed to guide the vertical movement of the valve 114.
  • a spiral inclined surface 1143a is formed at the lower end of the valve cam 1143.
  • the inclined surface 1143a contacts the inside of the filter module 120.
  • the valve cam 1143 has two inclined surfaces 1143a symmetrically formed, and each inclined surface 1143a has a central angle of substantially 90 degrees.
  • the inclined surface 1143a is such that the valve 114 moves to the top when the filter module 120 is coupled by rotating 90 degrees, and the valve 114 moves to the bottom when the filter module 120 is rotated by 90 degrees and separated. is formed
  • the head body 116 includes a head inlet pipe 1161 formed to flow raw water in a horizontal direction and a head outlet formed to flow purified water in a horizontal direction.
  • the head outer 1165 forming the head outflow passage 1169 through which the filter fastening part ( 1167), and a cap coupling portion 1163 disposed on top of the head inner 1164 and to which the head cap 111 is coupled.
  • the head inlet pipe 1161 is formed in a hollow cylindrical shape with a center in a horizontal direction.
  • the head inlet pipe 1161 is coupled to the passage through which the raw water of the head unit 900 flows, and thus the raw water is introduced.
  • the head inlet pipe 1161 is connected to the top of the head inner 1164 and guides raw water flowing into the head inlet pipe 1161 to the head inlet passage 1168 .
  • the head inner 1164 forms the inner shape of the head body 116 and forms a head inflow passage 1168 for guiding raw water to the filter module 120 .
  • One upper side of the head inner 1164 is connected to the head inlet pipe 1161.
  • the head inlet passage 1168 communicates with the head inlet pipe 1161 .
  • the upper part of the head outer 1165 is disposed on the other side of the upper part of the head inner 1164 to form a head outflow passage 1169 between the head outer 1165 and the head outer 1165 .
  • the head inner 1164 has a cylindrical lower portion and is inserted into the filter module 120 .
  • the inner side of the head inner 1164 is formed in two stages, so that the inner diameter of the upper portion is larger than that of the lower portion. That is, the head inflow passage 1168 is formed in two stages so that the diameter of the upper part is larger than that of the lower part.
  • the head inner 1164 has a valve body 1142 and a valve sealer 1149 disposed thereon. In the head inner 1164, when the filter module 120 is separated, the valve sealer 1149 is seated at the upper and lower boundary ends, and the head inlet passage 1168 is closed by the valve body 1142 and the valve sealer 1149. .
  • a valve cam 1143 is disposed at the bottom of the head inner 1164 to guide the valve cam 1143 to move in a vertical direction.
  • the head inner 1164 is formed with a body key 1164a protruding vertically to the inside at the bottom and inserted into the valve groove 1145.
  • the head inner 1164 may be inserted vertically into the lower portion or formed with an open body groove so that a valve key protruding vertically into the valve 114 may be inserted.
  • the cap coupling part 1163 protrudes from the upper end of the head inner 1164 and is formed in a rim shape.
  • the cap coupling part 1163 is coupled to the head cap 111 .
  • the head O-ring 112 is in close contact with the inner circumferential surface of the cap coupling part 1163.
  • the head outer 1165 forms an external shape of the head body 116 and forms a head outflow passage 1169 guiding purified water generated in the filter module 120 to the head outflow pipe 1162 .
  • One side of the upper part of the head outer 1165 is connected to the head outflow pipe 1162, and the inside of the upper part forms the head inner 1164 and the head outflow passage 1169.
  • the head outflow passage 1169 communicates with the head outflow pipe 1162 .
  • the head outer 1165 is formed in a multi-stage cylindrical structure in which both inner and outer diameters increase as the lower portion goes downward.
  • the filter module 120 is inserted under the head outer 1165.
  • the head outlet pipe 1162 is formed in a hollow cylindrical shape with a center in a horizontal direction.
  • the head outlet pipe 1162 is coupled to a passage through which purified water of the head unit 900 flows, and guides the purified water to the head unit 900 .
  • the head outflow pipe 1162 is connected to the top of the head outer 1165, and raw water flowing into the head outflow passage 1169 flows out through the head outflow pipe 1162.
  • the filter fastening part 1167 protrudes from the inner surface of the lower part of the head outer 1165. A portion of the filter fastening portion 1167 may be inclined so that the filter module 120 is rotationally coupled. The protrusion formed on the outside of the filter module 120 is inserted between the filter fastening part 1167 and the inner end of the head outer 1165 so that the filter module 120 is coupled to the head body 116.
  • the head cap 111 includes a disk-shaped cap body 1111 forming an exterior, and a hollow cylindrical cap inner formed by extending downward from the lower surface of the cap body 1111. 1112 and a cylindrical cap guide 1113 protruding downward from the center of the lower surface of the cap body 1111.
  • the upper surface of the cap body 1111 is disc-shaped, and a circumferential surface is formed downward from the edge of the disc to cover the filter head 110.
  • the circumferential surface of the cap body 1111 is in close contact with the outer circumference of the cap coupling part 1163.
  • the head O-ring 112 is in close contact with the cap inner 1112 on the outer circumferential surface.
  • the cap inner 1112 is disposed inside so that the valve top 1141 of the valve 114 can move in the vertical direction, and the inner circumferential surface guides the valve top 1141.
  • the cap inner 1112 has an elastic body 113 disposed therein.
  • the cap guide 1113 guides the elastic body 113 so that the upper portion of the elastic body 113 is inserted and the elastic body 113 is compressed in the vertical direction.
  • FIG. 16 and 17 are exploded perspective views of a filter module according to an embodiment of the present invention.
  • the filter module 120 forms an upper exterior and includes a filter cap 121 coupled to the inside of the head outer 1165 of the filter head 110, raw water flowing in, and a filter head ( 110) of the filter inner top 123 into which the lower part of the head inner 1164 is inserted, the filter sealer 124 for sealing between the top of the filter inner top 123 and the head inner 1164, and the hollow structure for purifying raw water.
  • the filter cap 121 is formed in the shape of an inverted funnel with a narrow top.
  • the top of the filter cap 121 is inserted into the head outer 1165 of the head body 116.
  • a filter inner top 123 is disposed inside the filter cap 121 .
  • a filter housing 122 is coupled to a lower portion of the filter cap 121 .
  • the filter cap 121 communicates with the head outflow passage 1169 of the head outer 1165 by forming a passage through which purified water flows between the filter cap 121 and the filter inner top 123 .
  • the filter cap 121 is detachably coupled to the head body 116 of the filter head 110.
  • a protrusion protruding outward is formed on the top of the filter cap 121, and the protrusion is inserted between the filter fastening part 1167 and the inner end of the head outer 1165 so that the filter module 120 is coupled to the head body 116. do.
  • the filter housing 122 is combined with the filter cap 121 to form the exterior of the filter module 120 .
  • the carbon block 129, the filter inner core 125, the filter inner bottom 126, and the filter base 127 are accommodated inside the filter housing 122.
  • the filter housing 122 is spaced apart from the carbon block 129 to form a flow path through which raw water flows.
  • the carbon block 129 is formed in a hollow cylindrical shape, and raw water passes through the side surface (circumferential surface) to be purified.
  • the carbon block 129 is accommodated inside the filter housing 122.
  • the upper surface of the carbon block 129 is covered by the filter inner top 123 and the lower surface is covered by the filter base 127.
  • a filter inner core 125 is disposed inside the carbon block 129.
  • the filter inner core 125 is disposed inside the carbon block 129 and guides purified water purified by the carbon block 129 upward.
  • the filter inner core 125 has an upper end coupled to the filter inner top 123 and a lower end coupled to the filter inner bottom 126 .
  • the filter inner top 123 covers the upper surface of the carbon block 129 and guides the raw water introduced into the filter head 110 between the filter housing 122 and the carbon block 129.
  • the upper part of the filter inner top 123 is closely fitted to the lower circumference of the head inner 1164.
  • the top of the filter inner top 123 forms a filter cap 121 and a flow path through which purified water flows.
  • the filter inner top 123 is disposed inside the filter cap 121 .
  • the filter sealer 124 is coupled to the top and the carbon block 129 and the filter inner core 125 are coupled to the bottom.
  • the filter inner top 123 comes into contact with the valve 114 to move the valve 114 upward when the filter module 120 is coupled.
  • FIG. 18 is a cross-sectional perspective view of a filter inner top of a filter module according to an embodiment of the present invention.
  • the filter inner tower 123 includes a substantially hollow cylindrical upper part 1231, a disk-shaped lower part 1235 of the inner tower, and a carbon bond formed by extending downward from the lower part 1235 of the inner tower. It includes a portion 1236 and a spirally inclined filter cam 1237 protruding inward from the inner top portion 1231 and contacting the inclined surface 1143a of the valve 114.
  • the filter sealer 124 is coupled to the top of the inner top portion 1231.
  • a lower part of the upper part of the inner tower 1231 is opened to form an inner tower inlet 1238 through which raw water flows.
  • a part of the middle of the upper part of the inner tower 1231 is opened to form an inner tower outlet 1239 through which purified water flows out.
  • the inner top lower portion 1235 is connected to the lower end of the inner top upper portion 1231 to cover the upper surface of the carbon block 129.
  • the carbon coupling portion 1236 is inserted into the hollow of the carbon block 129 so that the outer circumferential surface adheres to the inner surface of the carbon block 129.
  • the upper part of the filter inner core 125 is inserted into the carbon coupling part 1236 and coupled thereto.
  • the filter cam 1237 is in contact with the inclined surface 1143a of the valve 114, and when the filter module 120 is coupled, the valve 114 moves the valve 114 upward to open the head inlet passage 1168. .
  • the filter cam 1237 protrudes upward in a clockwise direction when viewed from above. Since the filter cam is formed in the same direction as the inclined surface 1143a of the valve cam 1143, the movement distance of the valve 114 can be very long even when the filter cam 1237 is rotated by only 90 degrees.
  • Two filter cams 1237 are formed symmetrically on the inner surface of the inner top portion 1231, and each has a central angle of substantially 90 degrees.
  • the valve 114 moves to the top, and when the filter module 120 is rotated 90 degrees and separated, the valve 114 moves to the bottom. is formed to
  • FIG. 19 is a view of a flow path structure when a filter head and a filter module are separated and coupled according to an embodiment of the present invention
  • FIG. 20 is a flow of raw water and purified water of a filter head and a filter module according to an embodiment of the present invention. It is a drawing showing
  • 19(a) shows cross-sections of the filter head 110 and the filter inner top 123 when the filter module 120 is separated from the filter head 110.
  • the filter module 120 When the filter module 120 is separated, the lowermost end of the inclined surface 1143a of the valve cam 1143 does not come into contact with the uppermost end of the filter cam 1237. Even if the top of the filter inner top 123 is in close contact with the inside of the head outer 1165, if the filter module 120 is not rotated 90 degrees in the direction in which it is coupled, the inclined surface 1143a of the valve cam 1143 and the filter cam 1237 The non-contact or inclined portions are arranged to abut each other. Therefore, since the valve cam 1143 does not receive force from the valve cam 1143, only the force of the elastic body 113 pushing the valve 114 downward is applied.
  • valve sealer 1149 is seated at the upper and lower boundary ends of the head inner 1164, and the valve sealer 1149 and the valve body 1142 close the head inflow passage 1168. Therefore, the flow of raw water introduced into the head inlet pipe 1161 is blocked and does not flow to the lower side of the filter head 110 .
  • FIG. 19(b) shows a cross-section of the filter head 110 and the filter inner top 123 when the filter module 120 is coupled to the filter head 110.
  • the valve cam 1143 moves upward as the filter cam 1237 rotates 90 degrees, so that the lowest end of the inclined surface 1143a of the valve cam 1143 is the filter cam 1237. ) is in contact with the top end. Since the filter cam 1237 exerts an upward pushing force on the valve cam 1143, the valve 114 moves upward and the elastic body 113 is compressed.
  • the valve sealer 1149 and the valve body 1142 are moved upward, and the head inflow passage 1168 is opened. Therefore, raw water flowing into the head inlet pipe 1161 flows into the upper part 1231 of the inner top of the filter inner top 123 through the inside of the head inlet passage 1168 of the head inner 1164 and/or the valve cam 1143. do.
  • the head inflow passage 1168 through which raw water flows is opened and closed with one valve 114, the space consumption due to the opening and closing structure is not large, and the head inflow passage 1168 and the head outflow passage 1169 are designed to be wide. You can do this to maximize flow.
  • the structure is simplified to prevent stagnation of raw water or purified water in the filter head 110.
  • raw water supplied from the water supply source S flows into the head unit 900 and flows into the filter head 110 of the pre-filter 100 .
  • Raw water flowing into the head inlet pipe 1161 of the filter head 110 flows into the head inlet passage 1168 of the head inner 1164 . All or part of the raw water introduced into the head inlet passage 1168 is discharged to the lower side of the valve cam 1143 through the valve inlet 1144.
  • the raw water discharged from the head inner 1164 and/or the valve 114 flows into the filter inner top 123 of the filter module 120 .
  • the raw water flowing into the upper part 1231 of the inner tower of the filter inner tower 123 is introduced between the filter housing 122 and the carbon block 129 through the inner tower inlet 1238 and is purified while passing through the circumferential surface of the carbon block 129. .
  • Purified purified water passing through the circumferential surface of the carbon block 129 flows into the filter inner top 123 through the filter inner core 125 .
  • the purified water flowing into the upper part 1231 of the inner top of the filter inner top 123 flows out between the filter inner top 123 and the filter cap 121 through the inner top outlet 1239, and then between the head inner 1164 and the head outer 1165. flows into the head outflow passage 1169.
  • the purified water flowing into the head outflow passage 1169 flows out through the head outflow pipe 1162 and then flows into the complex filter 200 or through the water supply valve 61 .
  • FIG. 21 is a perspective view of a valve according to another embodiment of the present invention
  • FIG. 22 is a cross-sectional view of a filter head according to another embodiment of the present invention.
  • the elastic body 113-1 is made of a rubber material and has a long outer diameter with a large upper and lower outer diameter and a small middle outer diameter. Since the elastic body 113-1 may come into contact with raw water or purified water, it is preferable to use natural rubber or synthetic rubber harmless to the human body.
  • the elastic body 113-1 has a hemispherical upper cross section and a lower hemispherical cross section.
  • the elastic body 113-1 is formed in a hollow shape, and the valve top 1141-1 of the valve 114-1 is formed in an axial shape penetrating the elastic body 113-1.
  • the cap body 1111 of the head cap 111 has the same shape, but the cap inner 1112-1 is formed so that the upper end of the elastic body 113-1 can be supported, and the cap guide (1113-1) is formed such that the valve top 1141-1 is inserted to guide the valve top 1141-1.
  • FIG. 23 is a perspective view of a valve according to another embodiment of the present invention
  • FIG. 24 is a cross-sectional view of a filter head according to another embodiment of the present invention.
  • the elastic body 113-2 is made of a rubber material and is formed in a bowl shape with a large outer diameter at the top and a small outer diameter at the bottom. Since the elastic body 113-2 may come into contact with raw water or purified water, it is preferable to use natural rubber or synthetic rubber harmless to the human body.
  • a portion of the cross section of the elastic body 113-2 is hemispherical.
  • a shaft is formed at an upper center and a hole is formed at a lower portion.
  • the valve top 1141-2 of the valve 114-2 is formed in a shaft shape to be inserted into the lower hole of the elastic body 113-2.
  • the cap body 1111 of the head cap 111 has the same shape, but the cap inner 1112-2 is formed so that the upper circumference of the elastic body 113-2 can be supported,
  • the cap guide 1113-2 is formed so that the central axis of the elastic body 113-2 is inserted and guides the central axis of the elastic body 113-2.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

La présente invention concerne un purificateur d'eau et un module de filtre correspondant. Le purificateur d'eau selon un mode de réalisation de la présente invention comprend: un corps de tête auquel un module de filtre pour la purification de l'eau brute est couplé de manière amovible et qui présente un trajet d'entrée de tête pour guider l'eau brute vers le module de filtre; et une soupape qui est disposée dans le trajet d'entrée de tête de façon à être mobile verticalement et présente une surface inclinée en spirale. La surface inclinée de la soupape est en contact avec le module de filtre lorsque le module de filtre est couplé, et la soupape ferme le trajet d'entrée de tête lorsque le module de filtre est détaché.
PCT/KR2023/002124 2022-02-15 2023-02-14 Purificateur d'eau et module de filtre correspondant WO2023158182A1 (fr)

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Application Number Priority Date Filing Date Title
KR10-2022-0019810 2022-02-15
KR1020220019810A KR20230122942A (ko) 2022-02-15 2022-02-15 정수기 및 이를 위한 필터모듈

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WO2023158182A1 true WO2023158182A1 (fr) 2023-08-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080083903A (ko) * 2007-03-13 2008-09-19 삼성전자주식회사 정수장치
KR20100081827A (ko) * 2009-01-07 2010-07-15 삼성전자주식회사 필터어셈블리와 밸브어셈블리 및 이를 포함하는 정수장치
KR101409451B1 (ko) * 2012-10-02 2014-06-18 정휘동 필터 어셈블리 및 이를 포함하는 정수기
KR20190065848A (ko) * 2017-12-04 2019-06-12 엘지전자 주식회사 정수기
KR20200126662A (ko) * 2019-04-30 2020-11-09 코웨이 주식회사 정수기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080083903A (ko) * 2007-03-13 2008-09-19 삼성전자주식회사 정수장치
KR20100081827A (ko) * 2009-01-07 2010-07-15 삼성전자주식회사 필터어셈블리와 밸브어셈블리 및 이를 포함하는 정수장치
KR101409451B1 (ko) * 2012-10-02 2014-06-18 정휘동 필터 어셈블리 및 이를 포함하는 정수기
KR20190065848A (ko) * 2017-12-04 2019-06-12 엘지전자 주식회사 정수기
KR20200126662A (ko) * 2019-04-30 2020-11-09 코웨이 주식회사 정수기

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