WO2019156502A1 - Lave-vaisselle - Google Patents

Lave-vaisselle Download PDF

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Publication number
WO2019156502A1
WO2019156502A1 PCT/KR2019/001568 KR2019001568W WO2019156502A1 WO 2019156502 A1 WO2019156502 A1 WO 2019156502A1 KR 2019001568 W KR2019001568 W KR 2019001568W WO 2019156502 A1 WO2019156502 A1 WO 2019156502A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
steam
valve chamber
actuator
cap
Prior art date
Application number
PCT/KR2019/001568
Other languages
English (en)
Korean (ko)
Inventor
김일환
김승훈
우상우
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US16/968,449 priority Critical patent/US20200397215A1/en
Publication of WO2019156502A1 publication Critical patent/WO2019156502A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4234—Steam generating arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4278—Nozzles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/01—Water supply, e.g. opening or closure of the water inlet valve
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/02—Water discharge, e.g. opening or closure of discharge valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a dishwasher comprising a steam valve.
  • the dishwasher is a household appliance that cleans dirt, such as food waste, which is buried in a dish or cooking utensils (hereinafter, 'to be cleaned') by high-pressure washing water sprayed from a spray arm.
  • the dishwasher washes the object to be cleaned using heated wash water or supplies steam to the object to wash or sterilize it.
  • it is proposed to generate a steam by installing a heater in the washing pump, and in addition, it is proposed to arrange a steam nozzle in which steam is injected at the bottom of the door in order for the steam to work efficiently on the washing target.
  • the problem to be solved by the present invention is to control the washing water to not flow into the steam flow path when spraying the washing water in the dishwasher using steam.
  • Another object of the present invention is to protect the steam valve from damage by steam or washing water or other foreign matter in the dishwasher.
  • the dishwasher according to an embodiment of the present invention, a case for receiving a cleaning object; A sump connected to the inside of the case to store the washing water; A washing pump into which the wash water stored in the sump is introduced and steam is generated; A steam nozzle for injecting steam generated by the washing pump into the case; And a valve valve driven by an actuator to open and close a steam flow path connecting the washing pump and the steam nozzle.
  • the valve cap may be stretched and shrunk in the steam passage by the actuator to open and close the steam passage, and seal the actuator.
  • the steam valve may include a valve chamber inlet which is in communication with the washing pump and the steam flows in, and a valve chamber outlet which is in communication with the steam nozzle and discharges the steam is formed.
  • the valve cap is accommodated in the valve chamber to open and close the valve chamber inlet.
  • valve cap disposed opposite to the valve chamber inlet, it can be linearly stretched (linearly) by the actuator to open and close the valve chamber inlet.
  • valve chamber the side opposite to the valve chamber inlet is opened, the valve cap can be inserted and coupled.
  • the valve cap may be provided with one or more gaskets at the coupling portion with the valve chamber.
  • the valve cap is provided with an elastic material, one or more gaskets may be formed in the coupling portion with the valve chamber.
  • the valve chamber is formed with a protrusion extending a predetermined length into the valve chamber from one surface provided with the valve chamber inlet, the valve chamber inlet may be formed in the protrusion.
  • the steam valve includes a loop member including a coupling portion which is formed with a hole opened to one side and coupled to the head of the actuator, and a loop surrounding an upper portion of the actuator. can do.
  • the valve cap may be coupled to the coupling portion of the loop member coupled to the head of the actuator.
  • the annoying valve cap may be provided integrally with the loop member.
  • the steam valve in the case, the sump and the washing pump may be disposed on the base is arranged.
  • the steam valve may be disposed on the base such that a flow path length between the steam valve and the steam nozzle is longer than a flow path length between the steam valve and the washing pump.
  • valve cap is moved by the actuator and is configured to effectively open and close the steam inlet, there is an advantage that can effectively close the steam flow path.
  • the actuator which is an electronic device vulnerable to moisture, is protected from steam, washing water, and other foreign matters, there is an advantage of preventing malfunction and damage of the steam valve.
  • FIG. 1 is a schematic structural diagram of a dish washer according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a dish washer according to an embodiment of the present invention.
  • FIG 3 is a view for explaining the arrangement of the steam valve in the dishwasher according to an embodiment of the present invention.
  • Figure 4a is a perspective view of the steam valve of the dishwasher according to an embodiment of the present invention from one side
  • Figure 4b is a perspective view of the other side.
  • Figure 5 is an exploded perspective view of the steam valve of the dishwasher according to an embodiment of the present invention.
  • 6a and 6b are views showing the operation of the steam valve of the dishwasher according to one embodiment of the present invention.
  • FIG. 7 is a perspective view of the loop member in the dishwasher according to the embodiment of the present invention.
  • FIG. 8 is a cross-sectional view of the loop member of FIG. 7.
  • FIG. 1 is a schematic structural diagram of a dish washer according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a dish washer according to an embodiment of the present invention.
  • FIG 3 is a view for explaining the arrangement of the steam valve in the dishwasher according to an embodiment of the present invention.
  • Dishwasher (1) is a case (11) for forming the appearance, the tub 12 is provided in the case 11 to form a washing chamber (12a) to accommodate the cleaning object and A door 20 for opening and closing the washing chamber 12a and a sump 100 disposed below the tub 12 to store the washing water, and washing water into the tub 12.
  • the case 11 is composed of a case upper part and a case lower part, and the case 11 may be formed by combining the case upper part and the case lower part.
  • the case 11 may include a base 11a that is a lower portion of the tub bottom 12b in which the washing pump 150, the sump 100, and the like are disposed.
  • the base 11a may be a space in which various configurations of the dishwasher 1 are arranged and separated from a space in which a washing object is washed.
  • the tub 12 is formed in a hexahedron shape with an open front surface to form a washing chamber 12a therein.
  • a communication hole 12c through which the washing water flows into the sump 100 is formed.
  • the washing chamber 12a is provided with a plurality of racks 16 and 17 in which washing objects are stored.
  • the plurality of racks 16 and 17 include a lower rack 16 disposed below the washing chamber 12a and an upper rack 17 disposed above.
  • the lower rack 16 and the upper rack 17 may be spaced apart from each other, and may slide out in front of the tub 12.
  • the plurality of injection arms 13, 14, 15 are arranged in the vertical direction.
  • the plurality of injection arms 13, 14, and 15 are disposed at the lowermost end and disposed above the low injection arm 13 and the lower injection arm 13 for spraying the washing water from the lower side to the upper side toward the lower rack 16. It is disposed on the upper portion of the upper injection arm 14 for spraying the washing water from the lower side toward the upper rack 17 and the upper side of the washing chamber 12a that is the upper side of the upper spraying arm 14 to spray the washing water from the upper side to the lower side. It includes a tower sandstone 15.
  • the plurality of injection arms 13, 14, and 15 receive washing water from the washing pump 150 through the plurality of injection arm connecting passages 18, 19, and 21.
  • the plurality of injection arm connection passages 18, 19, and 21 may include: a low injection arm connection passage 18 connected to the low injection arm 13, an upper injection arm connection passage 19 connected to the upper injection arm 14; It includes a tower sandstone connection passage 21 connected to the tower sandstone (15).
  • the sump 100 is disposed below the bottom 12b of the tub 12 to collect the wash water.
  • the sump 100 is connected to a water supply passage 23 through which the washing water supplied from the external water source flows.
  • the water supply passage 23 is provided with a water supply valve 22 that intercepts the washing water supplied from the external water source. When the water supply valve 22 is opened, the washing water supplied from the external water source is introduced into the sump 100 through the water supply passage 23.
  • the water supply passage 23 is provided with a flow meter 27 for measuring the flow rate of the washing water flowing to the sump 100 through the water supply passage 23.
  • the sump 100 is connected to a drain passage 24 for guiding the stored washing water to the outside of the dishwasher 1.
  • the drain passage 24 is provided with a drain pump 25 for draining the washing water in the sump 100 through the drain passage 24.
  • the drain pump 25 When the drain pump 25 is driven, the washing water stored in the sump 100 flows out of the case 11 through the drainage passage 24.
  • the sump 100 may be disposed on the base 11a of the case 11.
  • the filter 26 is mounted in the communication hole 12c to filter dirt from the washing water moving from the tub 12 to the sump 100.
  • the washing pump 150 supplies washing water stored in the sump 100 to at least one of the plurality of injection arms 13, 14, and 15.
  • the washing pump 150 is connected to the switching valve 130 and the washing water supply passage 180.
  • the washing pump 150 is driven, the washing water stored in the sump 100 is introduced into the washing pump 150 through the collecting passage 170 and then pumped to the switching valve 130 through the washing water supply passage 180.
  • the washing pump 150 may heat the washing water transferred to the washing water supply passage 180.
  • the washing pump 150 generates steam by heating the washing water stored therein.
  • the washing pump 150 is connected to the steam hose 190.
  • the steam generated in the washing pump 150 is supplied to the steam nozzle 195 through the steam hose 190.
  • the steam hoses 191 and 192 may include a first steam hose 191 connecting the washing pump 150 and the steam valve 200, and a second steam hose connecting the steam valve 200 and the steam nozzle 195. 192 may include.
  • the steam valve 200 may be disposed on a steam flow path connecting the discharge part of the washing pump 150 and the steam nozzle 195 to open and close the steam flow path.
  • the steam valve 200 may have one end connected to the discharge part of the washing pump 150 and the other end connected to the steam nozzle 195.
  • the discharge part of the washing pump 150 may be a flow path through which the washing water pressurized by the washing pump 150 is discharged.
  • the steam valve 200 may include an actuator 210 and a valve cap 220 driven by the actuator to open and close the steam flow path.
  • the steam valve 200 may further include a valve chamber 230 in which the valve cap 220 is accommodated and steam is introduced and discharged, and a loop member 240 surrounding an upper portion of the actuator 210.
  • the valve cap 220 is driven by the actuator 210, it can open and close the steam flow path connecting the washing pump 150 and the steam nozzle (195).
  • the steam valve 200 may be disposed closer to the washing pump 150 than the steam nozzle 195 on the steam hoses 191 and 192 to block the washing water flowing from the front end of the steam hoses 191 and 192. have.
  • the steam valve 200 may be disposed in the base 11a below the bottom 12b of the tub 12 in the case 11. Through this, the flow of steam or washing water flowing through the steam hoses 191 and 192 may be controlled without interfering with the space of the washing chamber 12a.
  • the steam valve 200 may be disposed such that the flow path length between the steam valve 200 and the steam nozzle 195 is longer than the flow path length between the steam valve 200 and the washing pump 150. As the steam valve 200 is located closer to the washing pump 150 on the steam passage, the washing water flowing into the steam passage may be blocked. Through this, when spraying the washing water, the amount of the washing water discharged from the washing pump 150 to the steam flow path is reduced, it is possible to reduce the pressure loss of the washing water. Detailed description of the steam valve 200 will be described later with reference to FIG.
  • the washing pump 150 is installed at one side of the sump 100.
  • the washing pump 150 may be disposed at the base 11a of the case 11.
  • the heater 140 is coupled to the lower side of the washing pump 150 to heat the washing water in the washing pump 150.
  • the heater 140 generates hot water by heating the washing water flowing in the washing pump 150 when the washing pump 150 operates.
  • the heater 140 generates steam by heating the washing water stored in the washing pump 150 when the washing pump 150 is stopped.
  • the hot water generated by the heater 140 is injected into the tub 12 through at least one of the plurality of injection arms 13, 14, and 15. Steam generated by the heater 140 flows along the steam hose 190 and is discharged into the tub 12 through the steam nozzle 195.
  • the steam nozzle 195 is provided at the lower end of the door 20 to inject steam into the washing chamber 12a. Steam injected from the steam nozzle 195 is applied to the object to be cleaned in the lower rack 16 and / or the upper rack (17).
  • the selector valve 130 selectively connects the sump 100 with at least one of the plurality of injection arms 13, 14, 15.
  • the changeover valve 130 selectively supplies the washing water pumped by the washing pump 150 to at least one of the low injection arm 13, the upper injection arm 14, and the top injection arm 15.
  • the switching valve 130 selectively connects at least one of the washing water supply passage 180 and the plurality of injection arm connection passages 18, 19, and 21.
  • the switching valve 130 is disposed in the sump 100.
  • the check valve 175 is disposed between the sump 100 and the washing pump 150 to open in the direction of the washing pump 150 at the sump 100.
  • the check valve 175 is opened to allow the washing water to flow from the sump 100 to the washing pump 150 and is closed to prevent steam from flowing from the washing pump 150 to the sump 100.
  • the check valve 175 is rotated and opened at the lower part about the upper part.
  • the check valve 175 is disposed inside the collecting passage 170 or connected between the collecting passage 170 and the washing pump 150 to open and close the collecting passage 170.
  • the check valve 175 is formed such that the washing water flows from the washing pump 150 to the sump 100 even in the closed state when the drain pump 25 is operated.
  • Figure 4a is a perspective view of the steam valve of the dishwasher according to an embodiment of the present invention from one side
  • Figure 4b is a perspective view of the other side.
  • Figure 5 is an exploded perspective view of the steam valve of the dishwasher according to an embodiment of the present invention.
  • 6a and 6b are views showing the operation of the steam valve of the dishwasher according to one embodiment of the present invention.
  • the steam valve 200 includes an actuator 210 for providing a driving force, a valve cap 220 driven by the actuator 210, and a valve cap 220 to receive steam.
  • the temporarily received valve chamber 230, and the loop member 240 for protecting the actuator 210 from water or foreign matter may be included.
  • the actuator 210 includes an actuator head 212 including a driving stage movable in one direction and another direction, and an actuator body 211 for generating a driving force to move the driving stage. ) May be included.
  • the actuator 210 can linearly move the driving stage in the front, rear, up, down, left, or right directions.
  • the actuator 210 may be configured as a solenoid valve.
  • the actuator 210 may be configured as a thermal actuator.
  • the actuator 210 When configured as a heat actuator, it is possible to drive the valve cap 220 at a high pressure with a relatively small volume compared to the solenoid valve.
  • the actuator head 212 further protrudes from the cylindrical head portion and the head portion to the outside of the actuator 210, and is driven in a direction away from the center of the actuator 210 or in a direction toward the center of the actuator 210. It may include.
  • the actuator head 212 may be coupled to the valve cap 220 and the loop member 240 to be described later.
  • the valve cap 220 may be coupled to the actuator head 212 to receive a driving force from the actuator 210.
  • the valve cap 220 may have one end coupled to the actuator head 212, the other end stretched and contracted by the actuator 210, and may open and close the steam flow path. In addition, the valve cap 220 may seal the actuator 210 from a fluid (steam or water) flowing in the steam hose.
  • the valve cap 220 may be stretched and shrunk in the steam passage by the actuator 210 and may open and close the steam passage. In addition, the valve cap 220 may seal the actuator 210 to block the flow of the fluid (steam or water) flowing in the steam hose into the actuator 210.
  • the valve cap 220 may include a coupling part 221 coupled to the actuator 210 and a deformation part 222 that is deformed by receiving a driving force from the actuator 210.
  • the valve cap 220 is provided in a cylindrical shape as a whole, and may have a shape in which the diameter of the cylinder is changed.
  • the valve cap 220 may have a shape in which the diameter of the coupling part 221 is larger than the diameter of the deformation part 222.
  • the valve cap 220 may be made of a material having a predetermined elasticity such as rubber or the like, and may be fitted to the actuator 210 or the loop member 240.
  • the valve cap 220 may be provided with one or more valve cap gaskets 2211 at the coupling portion 221. Alternatively, the valve cap 220 may be formed with one or more gasket shapes in the coupling portion 221.
  • the valve cap 220 may be formed of an elastic material, and the coupling part 221 may include a plurality of valve cap gaskets 2211.
  • the valve cap gasket 2211 is formed in an annular shape protruding from the coupling portion 221 of the valve cap 220 toward the valve chamber 230 to reinforce the coupling of the valve cap 220 and the valve chamber 230. You can.
  • a plurality of valve cap gaskets 2211 may be disposed to increase the sealing force between the valve cap 220 and the valve chamber 230.
  • the deformable portion 222 of the valve cap 220 constitutes a part of the valve cap 220 and may be connected to the coupling portion 221.
  • the deformable portion 222 of the valve cap 220 may be coupled to the driving end of the actuator head 212 and driven by the actuator 210.
  • the deformable portion 222 of the valve cap 220 may be stretched or shrunk by the actuator 210.
  • the deformable portion 222 of the valve cap 220 may be linearly moved by the actuator 210, and may open or close the valve chamber inlet 232 of the valve chamber 230.
  • Figure 6a is a view showing a state in which the valve chamber inlet 232 is closed by the valve cap 220
  • Figure 6b is a view showing a state in which the valve chamber inlet 232 is opened
  • the deformable portion 222 of the valve cap 220 may include a packing that contacts and seals the valve chamber inlet 232.
  • the deformable portion 222 of the valve cap 220 may be folded and unfolded like an accordion when the packing is moved by the actuator 210 and may include a folded portion to deform the length of the deformable portion 222.
  • the valve cap 220 may be directly coupled to the actuator head 212, or may be coupled to the loop member 240 coupled to the actuator head 212.
  • the valve chamber 230 may include a valve chamber inlet 232 through which the washing water is introduced, and a valve chamber discharge port 233 through which the washing water is discharged.
  • the valve chamber 230 may further include a coupling part 234 for coupling with the valve cap 220.
  • valve chamber 230 may be provided in a hollow cylindrical shape as a whole.
  • the valve chamber 230 may include a valve chamber inlet 232 extending toward the rear side of the valve chamber 230 and a valve chamber discharge port 233 extending above the valve chamber 230.
  • the valve chamber 230 may be formed with a valve chamber inlet 232 communicating with the washing pump 150, into which steam is introduced, and a valve chamber outlet 233 communicating with the steam nozzle 195 and discharging steam. .
  • the valve chamber inlet 232 is coupled to the first steam hose 191 connecting the valve chamber 230 and the washing pump 150, so that the steam generated by the washing pump 150 is connected to the valve chamber inlet 232. Through the valve chamber 230 may be introduced.
  • the valve chamber discharge port 233 is coupled to the second steam hose 192 connecting the valve chamber 230 and the steam nozzle 195 so that the steam passing through the valve chamber 230 passes through the valve chamber discharge port 233. It may be supplied to the steam nozzle 195 through.
  • the valve chamber inlet 232 may have a valve chamber inner protrusion 2321 protruding from the rear wall of the valve chamber 230 into the valve chamber 230.
  • the valve chamber 230 is formed with a valve chamber inner protrusion 2321 extending a predetermined length into the valve chamber 230, and a valve chamber inlet 232 is formed in the valve chamber inner protrusion 2232, and thus a valve cap ( The one end of the valve chamber inner protrusion 2232 can be effectively sealed by 220.
  • the valve chamber 230 may accommodate the valve cap 220.
  • the valve cap 220 may be accommodated in the valve chamber 230 to open and close the valve chamber inlet 232.
  • the valve cap 220 may be disposed in the valve chamber 230 to face the valve chamber inlet 232.
  • the valve cap 220 may expand and contract linearly by the actuator 210 and open and close the valve chamber inlet 232.
  • the valve chamber 230 may have a valve chamber inlet 232 formed at a rear side thereof, and the valve cap 220 may be disposed at the front surface of the valve chamber 230.
  • the chamber inlet 232 and the valve cap 220 may be located facing each other.
  • the valve chamber 230 may have a valve chamber discharge port 233 opened upward.
  • the valve chamber discharge port 233 may extend in the normal direction from the outer circumferential surface of the valve chamber 230.
  • the valve chamber discharge port 233 may be formed at an angle with the normal direction on the outer circumferential surface of the valve chamber 230.
  • the valve chamber outlet 233 may have the same diameter as the valve chamber inlet 232.
  • the valve chamber discharge port 233 may be formed closer to the rear end of the valve chamber 230 having the valve chamber inlet 232 than the front end of the valve chamber 230 in which the valve cap 220 is disposed.
  • the steam introduced through the valve chamber inlet 232 is discharged through the valve chamber outlet 233 by changing the flow direction by approximately 90 degrees.
  • valve chamber 230 As a result, the flow path of steam is shortly formed in the valve chamber 230, and the steam introduced into the valve chamber 230 through the valve chamber inlet 232 passes through the valve chamber outlet 233. It can be discharged to the outside effectively.
  • the valve chamber 230 has a side surface facing the valve chamber inlet 232, so that the valve cap 220 may be inserted and coupled thereto.
  • valve chamber 230 has all the front parts facing the valve chamber inlet 232 open, and the valve cap 220 is inserted into the front part of the valve chamber 230. Can be combined.
  • the valve chamber 230 is formed to a diameter larger than a diameter of the valve cap 220 by a predetermined length, and the valve cap 220 may be fitted to the valve chamber 230 to be coupled.
  • the diameter of the valve chamber 230 is formed to be smaller than the diameter of the valve cap gasket 2211 of the valve cap 220, the valve cap 220 can be fitted to the valve chamber 230 to engage.
  • valve chamber 230 the volume can be minimized.
  • valve chamber 230 may have a front portion facing the valve chamber inlet 232 to partially open the coupling hole, and the valve cap 220 may be inserted into and coupled to the coupling hole.
  • the valve chamber 230 may be opened to the front, and the valve cap 220 may be inserted into the valve chamber 230 to couple the valve chamber 230 and the valve cap 220 to each other.
  • the coupling portion to which the valve chamber 230 and the valve cap 220 are coupled may be disposed, and the valve cap gasket 2211 of the valve cap 220 may be disposed so that the valve chamber 230 and the valve cap 220 may be firmly coupled to each other. have.
  • the valve chamber 230 may further include a coupling part 234 for coupling with the actuator 210 or the loop member 240.
  • the valve chamber 230 may include one or more coupling parts 234 protruding outward from the valve chamber 230 at the opened front end thereof.
  • Coupling portion 234 of the valve chamber 230 may be provided in a shape that can be coupled to the fastening member.
  • FIG. 7 is a perspective view of the loop member in the dishwasher according to the embodiment of the present invention.
  • FIG. 8 is a cross-sectional view of the loop member of FIG. 7.
  • the steam valve 200 may further include a loop member 240 coupled to the actuator 210.
  • the loop member 240 may include a coupling part 241 having a hole opened to one side and coupled to the actuator head 212, and a loop 242 surrounding an upper portion of the actuator 210. have.
  • the roof member 240 may be provided to surround one side and the upper side of the actuator. 4A and 4B, the roof member 240 may be provided in a shape surrounding a rear side, an upper side, and a left and right side of the actuator.
  • the loop member 240 may include a coupling part 241 protruding to one side, extending a predetermined length, and a coupling hole formed at the center thereof.
  • the coupling part 241 of the loop member 240 may be provided to protrude to a length corresponding to the length of the coupling part 221 of the valve cap 220 in a hollow cylindrical shape.
  • Coupling portion 234 of the loop member 240, the hole is formed in the center corresponding to the diameter of the actuator head 212, it can be combined with the actuator head (212).
  • the valve cap 220 may be coupled to the coupling portion 241 of the loop member 240 coupled to the actuator head 212.
  • the loop 242 of the loop member 240 may cover the upper portion of the actuator 210.
  • the loop 242 of the roof member 240 may be provided to cover a portion of the upper surface and the side surface of the actuator 210.
  • the loop 242 of the roof member 240 may include a roof upper surface portion 2421 covering the upper surface of the actuator 210 and a loop side surface portion 2422 covering the side surface of the actuator 210.
  • the loop 242 of the loop member 240 may have a length in the front-rear direction longer than the actuator 210.
  • the loop member 240 configured as described above may protect the actuator 210 so that the actuator 210 does not come into contact with steam, water, or other foreign matter.
  • the loop member 240 may be provided in a shape surrounding the entire side and rear of the actuator 210.
  • the loop member 240 may be provided as a case in which the actuator 210 is accommodated. In this case, the roof member 240 may more effectively protect the actuator 210 from steam, water, or other foreign matter.
  • the loop member 240 may be provided integrally with the valve cap 220.
  • the valve cap 220 and the loop member 240 may be formed of different members, but may be integrally provided using an injection process between different materials. Through this, the coupling portion between the valve cap 220 and the roof member 240 may be completely sealed.
  • the roof member 240 may have a coupling hole for coupling with the valve chamber 230 or the actuator 210.
  • a fastening member for example, a bolt
  • the loop member 240 and the valve chamber 230 may be combined.
  • dishwasher 11 case
  • switching valve 23 water supply passage
  • washing water supply passage 190 steam hose

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

La présente invention concerne un lave-vaisselle comprenant : un boîtier destiné à recevoir un objet à laver ; un puisard qui est relié à l'intérieur du boîtier et dans lequel de l'eau de lavage est collectée ; une pompe de lavage dans laquelle l'eau de lavage collectée dans le puisard s'écoule et qui est destinée à générer de la vapeur ; une buse de vapeur pour injecter la vapeur qui a été générée à partir de la pompe de lavage dans le boîtier ; et une soupape de vapeur qui est prévue sur un trajet d'écoulement de vapeur reliant une partie d'évacuation de la pompe à laver et la buse à vapeur et comprend un actionneur et un capuchon de soupape actionné au moyen de l'actionneur et destiné à ouvrir et fermer le trajet d'écoulement de vapeur.
PCT/KR2019/001568 2018-02-08 2019-02-08 Lave-vaisselle WO2019156502A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/968,449 US20200397215A1 (en) 2018-02-08 2019-02-08 Dishwasher

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KR1020180015778A KR102461270B1 (ko) 2018-02-08 2018-02-08 식기세척기
KR10-2018-0015778 2018-02-08

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WO2019156502A1 true WO2019156502A1 (fr) 2019-08-15

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US (1) US20200397215A1 (fr)
KR (1) KR102461270B1 (fr)
WO (1) WO2019156502A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104879523A (zh) * 2014-01-13 2015-09-02 罗伯特·博世有限公司 阀门及其使用方法
US20150252794A1 (en) * 2014-03-06 2015-09-10 Airbus Ds Gmbh Single-Actuation Valve Arrangement for Aerospace Component, and Aerospace Component
US20150265133A1 (en) * 2014-03-21 2015-09-24 Lg Electronics Inc. Dishwasher
EP3017746A1 (fr) * 2014-11-06 2016-05-11 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Dispositif de lavage
KR20170010550A (ko) * 2015-07-20 2017-02-01 엘지전자 주식회사 펌프 및 상기 펌프가 구비된 식기세척기

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090025626A (ko) * 2007-09-06 2009-03-11 엘지전자 주식회사 식기 세척기
DE102009028280B4 (de) * 2009-08-06 2021-07-29 BSH Hausgeräte GmbH Haushaltsgerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104879523A (zh) * 2014-01-13 2015-09-02 罗伯特·博世有限公司 阀门及其使用方法
US20150252794A1 (en) * 2014-03-06 2015-09-10 Airbus Ds Gmbh Single-Actuation Valve Arrangement for Aerospace Component, and Aerospace Component
US20150265133A1 (en) * 2014-03-21 2015-09-24 Lg Electronics Inc. Dishwasher
EP3017746A1 (fr) * 2014-11-06 2016-05-11 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Dispositif de lavage
KR20170010550A (ko) * 2015-07-20 2017-02-01 엘지전자 주식회사 펌프 및 상기 펌프가 구비된 식기세척기

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KR20190096164A (ko) 2019-08-19
US20200397215A1 (en) 2020-12-24
KR102461270B1 (ko) 2022-10-28

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