WO2024005421A1 - Lave-vaisselle - Google Patents

Lave-vaisselle Download PDF

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Publication number
WO2024005421A1
WO2024005421A1 PCT/KR2023/008386 KR2023008386W WO2024005421A1 WO 2024005421 A1 WO2024005421 A1 WO 2024005421A1 KR 2023008386 W KR2023008386 W KR 2023008386W WO 2024005421 A1 WO2024005421 A1 WO 2024005421A1
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WO
WIPO (PCT)
Prior art keywords
distribution
washing water
shaft
guide
holder
Prior art date
Application number
PCT/KR2023/008386
Other languages
English (en)
Korean (ko)
Inventor
뷔징요하네스
양지선
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of WO2024005421A1 publication Critical patent/WO2024005421A1/fr

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    • 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
    • A47L15/421—Safety arrangements for preventing water damage
    • A47L15/4212—Detection of water leaks; Collection of leaked water, e.g. in the casing
    • 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
    • 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
    • A47L15/4219—Water recirculation
    • 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
    • A47L15/428—Rotary 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
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water

Definitions

  • the disclosed invention relates to a dishwasher having an improved structure.
  • a dishwasher In general, a dishwasher is a device that sprays washing water at high pressure on stored dishes to wash them and then dry them.
  • the dishwasher sprays washing water inside the tub where the dishes are stored, and the sprayed washing water touches the dishes to wash away foreign substances such as food residue on the surface of the dishes.
  • a dishwasher consists of a main body, a tub provided inside the main body to form a washing space, a door located in front of the tub that opens and closes the tub, a sump that supplies, collects, circulates, and drains washing water, and a spray device that sprays washing water into the tub. may include.
  • Dishwashers may include a distribution device to reduce water usage.
  • the dispensing device may selectively deliver washing water to the spray device using the rotational force of the dispensing motor. However, if washing water flows into the distribution motor, a fire may occur or the distribution device may be damaged.
  • One aspect of the disclosed invention provides a dishwasher having an improved sump assembly.
  • One aspect of the disclosed invention provides a dishwasher having a sump assembly of compact structure.
  • One aspect of the disclosed invention provides a dishwasher capable of preventing wash water from flowing into a dispensing motor of the dispensing device.
  • One aspect of the disclosed invention provides a dishwasher with improved assembly of a switch of a dispensing device.
  • a dishwasher includes a tub forming a washing chamber, a plurality of spray rotors for spraying wash water into the wash chamber, and a sump assembly provided to provide wash water to the plurality of spray rotors, the sump assembly , a sump housing including a distribution chamber in which the washing water provided by the plurality of injection rotors is received, a distribution disk disposed in the distribution chamber to provide the washing water contained in the distribution chamber to at least one of the plurality of injection rotors, the distribution disk A distribution motor that generates a rotational force to rotate and a connecting shaft disposed coaxially with the motor shaft of the distribution motor to transmit the rotational force of the distribution motor to the distribution disk, receiving the washing water leaking from the distribution chamber and receiving the It may include a connecting shaft including a guide body provided to guide the washing water to the outside of the connecting shaft.
  • the sump housing includes a chamber hole that communicates with the distribution chamber and is provided through which a portion of the connection shaft passes, and a flange that corresponds to the chamber hole and extends along the longitudinal direction of the connection shaft, and includes an outer peripheral surface of the connection shaft and It may further include flanges that are spaced apart and form a guide passage through which the washing water leaking from the distribution chamber flows.
  • the guide passage is a first guide passage
  • the guide body of the connecting shaft includes a second guide passage through which the washing water flowing out of the first guide passage flows, and an outside of the second guide passage and the connecting shaft. It may include a communicating through hole.
  • the sump assembly further includes a holder on which the distribution motor is mounted, and the holder has a guide hole that guides washing water leaking from the connection shaft to the outside of the sump assembly to prevent washing water from flowing into the distribution motor.
  • a guide hole that guides washing water leaking from the connection shaft to the outside of the sump assembly to prevent washing water from flowing into the distribution motor.
  • the holder further includes an insertion hole into which the motor shaft of the distribution motor is inserted so that the motor shaft of the distribution motor protrudes toward the connection shaft, and a first protrusion extending upward to correspond to the insertion hole,
  • the connection shaft may further include a second protrusion extending downward from one side of the connection shaft adjacent to the distribution motor and provided to cover the first protrusion.
  • the inner diameter of the second protrusion may be larger than the outer diameter of the first protrusion.
  • connection shaft may further include a side guide portion disposed below the flange to guide the washing water in the first guide passage to the second guide passage.
  • the inner diameter of the side guide portion may be larger than the inner diameter of the flange.
  • the side guide portion may include a shape that slopes downward toward the second guide passage.
  • the connecting shaft further includes a shaft body having one end coupled to the distribution motor and the other end coupled to the distribution disk and extending in a vertical direction, and the guide body may be provided on a radial outer side of the shaft body.
  • the guide body extends in a radial direction from one side of the shaft body adjacent to the distribution motor, surrounds a bottom portion including the through hole and at least a portion of the shaft body from the bottom portion, and extends toward the flange. It may include a side wall portion.
  • the sump assembly may further include a switch mounted on the holder to detect the rotational position of the connection shaft.
  • the switch may be rotatably coupled to the holder and may be rotatable between a first position capable of being coupled to the holder and a second position capable of being rotated from the first position and contacting the connecting shaft. .
  • the holder may further include a separation prevention protrusion provided to engage one side of the switch to prevent the switch from leaving the second position.
  • the holder may further include an elastic member provided to press the other side of the switch to prevent a gap between one side of the switch and the separation prevention protrusion.
  • a dishwasher includes a tub forming a washing chamber, a plurality of spray rotors provided to spray washing water into the washing room, a sump body including a distribution chamber provided to receive washing water, and covering the distribution chamber.
  • a sump cover including a plurality of connection ports connected to each of the plurality of injection rotors, a distribution disk disposed inside the distribution chamber to selectively open and close the plurality of connection ports, and a rotational force to rotate the distribution disk.
  • a distribution motor that generates electricity, a connection shaft provided to transmit the rotational force of the distribution motor to the distribution disk, a connection shaft provided coaxially with the rotation axis of the distribution motor and the rotation axis of the distribution disk, and the sump to mount the distribution motor.
  • a holder that can be detachably coupled to a body may include a holder including a guide hole provided to drain the washing water leaking from the distribution chamber so that the washing water does not flow into the motor shaft of the distribution motor.
  • the dishwasher includes a first guide body disposed on a radial outer side of the connecting shaft, the first guide body provided to guide washing water flowing out of the distribution chamber between the first guide body and the connecting shaft, and the second guide body.
  • a second guide body disposed below the guide body it may further include a second guide body provided to guide the washing water flowing out from the first guide body between the second guide body and the connection shaft.
  • the dishwasher may further include a through hole formed through the second guide body to guide washing water inside the second guide body to the guide hole of the holder.
  • a dishwasher includes a tub forming a washing chamber, a plurality of spray rotors for spraying wash water into the wash chamber, and a sump assembly provided to provide wash water to the plurality of spray rotors, the sump assembly , a sump housing including a distribution chamber in which the washing water provided by the plurality of injection rotors is received, a distribution disk disposed in the distribution chamber to provide the washing water contained in the distribution chamber to at least one of the plurality of injection rotors, the distribution disk A distribution motor that generates a rotational force to rotate, a connection shaft that transmits the rotational force of the distribution motor to the distribution disk, a connection shaft provided to rotate in conjunction with the rotation of the distribution disk, and detecting the rotational position of the connection shaft.
  • a switch including an actuator and a holder provided to hold the switch, wherein the switch has a first position that can be coupled to the holder, and is rotated in one direction from the first position to be connected to the connection shaft. It is disposed adjacently and the actuator may be rotatable between a second position where the actuator is selectively pressed by the connecting shaft.
  • the holder may include a stopper provided to support one side adjacent to the connection shaft when the switch is in the second position to limit rotation of the switch in the one direction from the second position. .
  • the size of the sump assembly can be miniaturized.
  • the rotation axis of the connection shaft is provided coaxially with the rotation axis of the distribution motor, so the distribution efficiency of the distribution device can be improved.
  • safety of use can be ensured by preventing washing water from flowing into the dispensing motor of the dispensing device.
  • the switch of the distribution device can be more easily assembled.
  • FIG. 1 is a schematic perspective view of a dishwasher according to one embodiment.
  • Figure 2 is a schematic side cross-sectional view of a dishwasher according to one embodiment.
  • Figure 3 is a perspective view showing a portion of the lower part of a dishwasher according to an embodiment.
  • Figure 4 is a perspective view showing a partial configuration of a dishwasher according to an embodiment.
  • FIG. 5 is an exploded perspective view of a filter assembly among some components of the dishwasher shown in FIG. 4.
  • Figure 6 is a perspective view of a sump assembly of a dishwasher according to one embodiment.
  • FIG. 7 is a perspective view of the sump assembly shown in FIG. 6 when viewed from the rear.
  • FIG. 8 is a bottom view of a sump assembly of a dishwasher according to one embodiment.
  • Figure 9 is an exploded view of a sump assembly of a dishwasher according to one embodiment.
  • FIG. 10 is an exploded view of the sump assembly shown in FIG. 9 viewed from the rear.
  • FIG. 11 is an exploded view of the sump assembly shown in FIG. 9 viewed from below.
  • FIG. 12 is a perspective view of the sump assembly shown in FIG. 6 cut along an example cut line.
  • FIG. 13 is a partial cross-sectional view of the sump assembly shown in FIG. 12.
  • FIG. 14 is a cross-sectional view showing the sump assembly shown in FIG. 6 along a cut line in another example.
  • FIG. 15 is an enlarged cross-sectional view of a portion of the sump assembly shown in FIG. 14.
  • 16 is an exploded view of a portion of a sump assembly according to one embodiment.
  • FIG. 17 is an exploded view of a portion of the sump assembly shown in FIG. 15 viewed from below.
  • Figure 18 is a perspective view showing the coupling relationship of the holder, distribution motor, connecting shaft, and switch of the sump assembly according to one embodiment.
  • FIG. 19 is a perspective view of the holder, distribution motor, connecting shaft and switch of the sump assembly shown in FIG. 18 from another direction.
  • Figure 20 is a plan view of the holder, dispense motor, connecting shaft and switch of the sump assembly shown in Figure 18;
  • Figure 21 is a perspective view of a holder of a sump assembly according to one embodiment.
  • Figure 22 is a perspective view of a connecting shaft of a sump assembly according to one embodiment.
  • Figure 23 is a bottom perspective view of the connecting shaft shown in Figure 22.
  • FIG. 24 is a top view of the connecting shaft shown in FIG. 22.
  • Figure 25 is a perspective view showing the coupling relationship of the holder, distribution motor, cam shaft, and switch of the sump assembly according to one embodiment.
  • Figure 26 is a plan cross-sectional view showing the coupling relationship of the holder, distribution motor, cam shaft, and switch of the sump assembly according to one embodiment.
  • Figure 27 is a cut-away perspective view showing the coupling relationship between the holder and the switch of the sump assembly.
  • FIG. 28 is a diagram illustrating a portion of a holder of a sump assembly according to an embodiment.
  • FIG. 29 is a diagram showing a state in which a switch is coupled to the holder shown in FIG. 28 (the switch is in the first position).
  • FIG. 30 is a diagram showing the switch shown in FIG. 29 rotated in one direction (the switch is in the second position).
  • FIG. 31 is a diagram showing a state in which a connector is coupled to a terminal of the switch shown in FIG. 30.
  • first”, “second”, etc. used in the specification may be used to describe various components, but the components are not limited by the terms, and the terms are one It is used only for the purpose of distinguishing one component from another.
  • a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention.
  • the term “and/or” includes any of a plurality of related stated items or a combination of a plurality of related stated items.
  • up-down direction may mean the Z direction
  • horizontal direction may mean any direction along the X-Y plane.
  • FIG. 1 is a schematic perspective view of a dishwasher according to one embodiment.
  • Figure 2 is a schematic side cross-sectional view of a dishwasher according to one embodiment.
  • the dishwasher 1 may include a main body 10.
  • the main body 10 may form the appearance of the dishwasher 1.
  • the dishwasher 1 may include a tub 12 provided inside the main body 10.
  • the tub 12 may be provided in a substantially box shape.
  • One side of the tub 12 may be open. That is, the tub 12 may have an opening 12a.
  • the front of the tub 12 may be open.
  • the dishwasher 1 may include a door 11 provided to open and close the opening 12a of the tub 12.
  • the door 11 may be installed on the main body 10 to open and close the opening 12a of the tub 12.
  • the door 11 may be installed on the main body 10 to be rotatable.
  • the door 11 may be detachably mounted on the main body 10.
  • the dishwasher 1 may further include a storage container provided inside the tub 12 to store dishes.
  • the storage container may include a plurality of baskets (51, 52, 53).
  • the storage container may include a middle basket 52 located in the middle in the height direction of the dishwasher 1 and a lower basket 51 located below in the height direction of the dishwasher 1.
  • the middle basket 52 may be provided to be supported on the middle guide rack 13b.
  • the lower basket 51 may be provided to be supported on the lower guide rack 13a.
  • the middle guide rack 13b and the lower guide rack 13a may be installed on the side 12d of the tub 12 so as to be slidable toward the opening 12a of the tub 12.
  • the side surface 12d of the tub 12 may include the inner surface of the right wall and the inner surface of the left wall of the tub 12.
  • Relatively large dishes can be stored in the plurality of baskets 51 and 52.
  • the types of dishes stored in the plurality of baskets 51 and 52 are not limited to relatively bulky dishes. That is, not only relatively large-volume dishes but also relatively small-volume dishes can be stored in the plurality of baskets 51, 52, and 53.
  • the storage container may include an upper basket 53 located at the top of the dishwasher 1 in the height direction.
  • the upper basket 53 is formed in the form of a rack assembly and can accommodate dishes of relatively small volume.
  • the upper basket 53 may store cooking tools or cutlery such as a ladle, knife, and spatula. Additionally, small cups such as espresso cups may be stored in the rack assembly.
  • the types of dishes stored in the upper basket 53 are not limited to the above examples.
  • the upper basket 53 may be supported by an upper guide rack 13c.
  • the upper guide rack 13c may be installed on the side 12d of the tub 12.
  • the upper basket 53 can be slidably moved by the upper guide rack 13c and can be brought into or taken out of the washing room (C).
  • the storage container is not limited to the shape shown in FIGS. 1 and 2.
  • the upper basket 53 may not be included.
  • the storage container may be implemented with only the middle basket 52 and the lower basket 51.
  • the dishwasher 1 may include a washing chamber C, which is a space formed inside the tub 12.
  • the washing room (C) may be defined as the inner space of the tub (12).
  • the washing room (C) may refer to a space where dishes placed in the baskets (51, 52, and 53) can be washed and dried with washing water.
  • the dishwasher 1 may include a spray device 40 configured to spray washing water.
  • the spray device 40 may receive washing water from the sump assembly 70, which will be described later.
  • the injection device 40 may include a plurality of injection units 41, 42, and 43.
  • the plurality of injection units 41, 42, and 43 include a first injection unit 41 disposed below the lower basket 51 in the height direction of the dishwasher 1, and the dishwasher 1.
  • a second injection unit 42 disposed at the lower part of the middle basket 52 in the height direction of the dishwasher 1, and a third injection unit 43 disposed at the upper part of the upper basket 53 in the height direction of the dishwasher 1. It can be included.
  • Each of the plurality of spray units 41, 42, and 43 may be provided to spray washing water while rotating.
  • Each of the first injection unit 41, the second injection unit 42, and the third injection unit 43 may be provided to spray washing water while rotating.
  • the plurality of injection units 41, 42, and 43 may be referred to as a plurality of injection rotors.
  • the first injection unit 41, the second injection unit 42, and the third injection unit 43 each include a first injection rotor 41, a second injection rotor 42, and a third injection rotor 43. can be referred to.
  • the spray device 40 may spray the washing water in a manner different from the above-described example.
  • the first injection unit 41 unlike the second injection unit 42 and the third injection unit 43, may be fixed to one side of the lower surface 12b of the tub 12.
  • the first spray unit 41 is provided to spray wash water in an approximately horizontal direction by a fixed nozzle, and the wash water sprayed in a horizontal direction from the nozzle of the first spray unit 41 is inside the wash chamber (C).
  • the direction can be changed by a disposed conversion assembly (not shown) to move toward the upper side.
  • the conversion assembly is installed on the rail by a holder and can be arranged to be capable of translational movement along the rail.
  • the dishwasher 1 may include an auxiliary spray device 30.
  • the auxiliary spray device 30 is disposed on one side of the lower part of the washing chamber (C) and can spray washing water to some areas.
  • the auxiliary spray device 30 is designed to spray water at a relatively high pressure compared to the spray device 40, allowing intensive cleaning of highly contaminated dishes.
  • the auxiliary injection device 30 can be omitted.
  • the auxiliary spray device 30 may be detachably mounted at the bottom of the washing chamber (C).
  • the auxiliary injection device 30 may be detachably mounted on the sump assembly 70, which will be described later.
  • the auxiliary injection device 30 is shown as having a circular shape, but it is not limited thereto and may be provided in a shape similar to the plurality of injection units 41, 42, and 43.
  • the auxiliary injection device 30 may be referred to as an auxiliary injection rotor 30.
  • the plurality of injection units 41, 42, 43, and 30 are included among the first injection unit 41, the second injection unit 42, the third injection unit 43, and the auxiliary injection device 30. It may be a concept that includes at least two. Likewise, the plurality of injection rotors 41, 42, 43, and 30 include at least two of the first injection unit 41, the second injection unit 42, the third injection unit 43, and the auxiliary injection device 30. It may be a concept that includes dogs.
  • Dishwasher 1 may include a sump assembly 70.
  • the sump assembly 70 may be provided to receive wash water.
  • the sump assembly 70 can collect the wash water from the wash chamber (C).
  • the lower surface 12b of the tub 12 may be inclined downward toward the sump assembly 70. Washing water in the washing chamber (C) may flow along the slope of the lower surface (12b) of the tub (12) and smoothly flow into the sump assembly (70).
  • the sump assembly 70 may include a circulation pump 500 that pumps the washing water stored in the sump assembly 70 to the spray device 40.
  • the sump assembly 70 may include a drain pump 600 that drains washing water and foreign substances (eg, food waste, etc.) remaining in the sump assembly 70 .
  • a drain pump 600 that drains washing water and foreign substances (eg, food waste, etc.) remaining in the sump assembly 70 .
  • the sump assembly 70 can pump the collected wash water and provide it to the spray device 40.
  • the sump assembly 70 may include a connection port 310 connected to the spray device 40 to supply washing water to the spray device 40.
  • the connection port 310 includes a first connection port 311 connected to the first injection unit 41, and a second connection port 312 connected to the second injection unit 42. ), and may include a third connection port 313 connected to the third injection unit 43.
  • the second connection port 312 may be connected to the second injection unit 42 by a first duct.
  • the third connection port 313 may be connected to the third injection unit 43 through a second duct.
  • the first duct and the second duct may be provided as separate ducts, or may be provided as one duct 14 as shown in FIG. 2.
  • the duct 14 may include a shape extending in the height direction.
  • the sump assembly 70 may supply washing water to the first injection unit 41 through the first connection port 311.
  • the sump assembly 70 may supply washing water to the second injection unit 42 through the second connection port 312.
  • the sump assembly 70 may supply washing water to the third injection unit 43 through the third connection port 313.
  • the second connection port 312 and the third connection port 313 may be configured as one port, and in this case, washing water provided through one port may flow into the duct 14.
  • the washing water flowing into the duct 14 may be branched during flow and provided to at least one of the second injection unit 42 and the third injection unit 43.
  • the sump assembly 70 can pump the collected wash water and provide it to the auxiliary spray device 30.
  • the connection port 310 may include a fourth connection port 314 connected to the auxiliary injection device 30, and the sump assembly 70 may be connected to the auxiliary injection device 314 through the fourth connection port 314. Washing water can be supplied through (30).
  • the fourth connection port 314 can be omitted depending on the presence or absence of the auxiliary injection device 30.
  • the plurality of connection ports 311, 312, 313, and 314 are at least one of the first connection port 311, the second connection port 312, the third connection port 313, and the fourth connection port 314. It may be a concept that includes two things.
  • the dishwasher 1 may include a machine room L, which is a space provided below the tub 12.
  • the machine room (L) may be a place where a device for circulating washing water is placed.
  • the sump assembly 70 may be disposed in the machine room (L). Most of the sump assembly 70 may be placed in the machine room (L). That is, the area of the sump assembly 70 located in the washing room (C) may be smaller than the area of the sump assembly 70 located in the machine room (L). By reducing the area of the sump assembly 70 occupying the washing room C, the area of the washing room C can be secured. As a result, the capacity of the washing room C can be increased, and dish storage capacity can be improved.
  • Figure 3 is a perspective view showing a portion of the lower part of a dishwasher according to an embodiment.
  • Figure 4 is a perspective view showing a partial configuration of a dishwasher according to an embodiment.
  • FIG. 5 is an exploded perspective view of a filter assembly among some components of the dishwasher shown in FIG. 4.
  • the sump assembly 70 may include a sump housing 100 and a sump cover 300 provided to cover at least a portion of the sump housing 100 .
  • the sump housing 100 may be detachably coupled to the lower surface 12b of the tub 12.
  • the sump housing 100 may be screw-fastened to the lower surface 12b of the tub 12.
  • the sump housing 100 may be coupled to the tub 12 in various ways.
  • the sump housing 100 may include a water storage chamber 111 provided to store washing water.
  • the water storage chamber 111 may have a shape with an open top.
  • the water storage chamber 111 may have a downwardly depressed shape.
  • the water storage chamber 111 may be provided to accommodate washing water flowing in from the water supply pipe 21 through the water supply hole 170, or to receive washing water flowing in from the tub 12.
  • the circulation pump 500 can pump the washing water stored in the sump housing 100 and deliver it to the injection device 40.
  • Circulation pump 500 may be coupled to the sump housing 100.
  • the circulation pump 500 may be provided to communicate with the water storage chamber 111.
  • the drain pump 600 may be provided to drain washing water and foreign substances accumulated in the sump housing 100.
  • the drain pump 600 may be coupled to the sump housing 100.
  • the drain pump 600 may be provided to communicate with the water storage chamber 111.
  • the dishwasher 1 may include a support frame 80 that can be detachably mounted on the lower surface 12b of the tub 12.
  • the support frame 80 may be provided to surround the edge of the sump cover 300.
  • the support frame 80 may include a step portion 81 provided to support the filter assembly 60, which will be described later.
  • Dishwasher 1 may include a filter assembly 60.
  • the filter assembly 60 may be provided to filter foreign substances contained in the wash water flowing into the sump assembly 70.
  • the filter assembly 60 may be disposed to correspond to the water storage chamber 111 of the sump assembly 70.
  • the filter assembly 60 may be removably mounted on the sump assembly 70.
  • Filter assembly 60 may include at least one filter.
  • the filter assembly 60 may include a fine filter 61, a coarse filter 62, and a micro filter 63.
  • the fine filter 61 may be detachably mounted on the lower surface 12b of the tub 12.
  • the fine filter 61 may include a horizontal plate shape.
  • Fine filter 61 may include a filter opening 61a.
  • the coarse filter 62 may pass through the filter opening 61a and be seated inside the water storage chamber 111.
  • the micro filter 63 may pass through the filter opening 61a and be seated inside the water storage chamber 111.
  • the coarse filter 62 may be provided to filter out foreign substances of a relatively larger size than the fine filter 61.
  • the coarse filter 62 may be composed of a first coarse filter 62a and a second coarse filter 62b.
  • the first coarse filter 62a and the second coarse filter 62b may be provided to be separable from each other.
  • the first coarse filter 62a may be disposed inside the second coarse filter 62b.
  • the course filter 62 is shown as being composed of two course filters 62a and 62b, but the present invention is not limited thereto, and the course filter 62 may be provided with one or three or more course filters.
  • the micro filter 63 may be provided to filter out dirt of a relatively smaller size than the fine filter 61.
  • the micro filter 63 may be provided to surround a portion of the outer peripheral surface of the coarse filter 62.
  • the micro filter 63 may have a substantially cylindrical shape.
  • the micro filter 63 may be placed inside the water storage chamber 111. In the drawing, the diameter of the micro filter 63 is shown to be larger than the diameter of the filter opening 61a, but the present invention is not limited thereto, and the diameter of the micro filter 63 may be smaller than the diameter of the filter opening 61a.
  • the washing water filtered through the filter assembly 60 may be pumped by the circulation pump 500 and provided to the injection device 40. As a result, clean washing water from which foreign substances have been removed can be sprayed into the washing chamber (C) through the spray device (40).
  • FIG. 6 is a perspective view of a sump assembly of a dishwasher according to one embodiment.
  • FIG. 7 is a perspective view of the sump assembly shown in FIG. 6 when viewed from the rear.
  • 8 is a bottom view of a sump assembly of a dishwasher according to one embodiment.
  • Figure 9 is an exploded view of a sump assembly of a dishwasher according to one embodiment.
  • FIG. 10 is an exploded view of the sump assembly shown in FIG. 9 viewed from the rear.
  • FIG. 11 is an exploded view of the sump assembly shown in FIG. 9 viewed from below.
  • Sump assembly 70 may include sump housing 100 .
  • the sump housing 100 may be provided to accommodate washing water.
  • the sump housing 100 may include a water storage chamber 111 in which washing water is stored.
  • the sump housing 100 may include a distribution chamber 121 in which the washing water provided by the spray device 40 is accommodated.
  • the water storage chamber 111 and the distribution chamber 121 may be partitioned from each other.
  • the sump housing 100 may include a first sump body 110 provided to form a water storage chamber 111 and a second sump body 120 provided to form a distribution chamber 121. You can.
  • the distribution chamber 121 may be located above the water storage chamber 111.
  • the water storage chamber 111 and the distribution chamber 121 are shown as being formed integrally, but the water storage chamber 111 and the distribution chamber 121 are not limited to this, and the water storage chamber 111 and the distribution chamber 121 may be provided as separate configurations. .
  • the second sump body 120 may include a chamber hole 122 that communicates with the distribution chamber 121.
  • a portion of the connecting shaft 220 of the distribution device 200, which will be described later, may be inserted into the chamber hole 122 and protrude into the distribution chamber 121.
  • the sump housing 100 may include a flange 150 that corresponds to the chamber hole 122 and extends downward.
  • Flange 150 may include a cutout portion 150a.
  • the cutout portion 150a may be provided to prevent interference with the connector 700, which will be described later. Details about the flange 150 will be described later.
  • the second sump body 120 may include a washing water inlet 123 through which washing water flows into the distribution chamber 121 .
  • the washing water inlet 123 may be connected to a connector 700, which will be described later.
  • the second sump body 120 may include a washing water outlet 124 through which the washing water in the distribution chamber 121 flows out.
  • the washing water outlet 124 may be connected to a valve assembly 800, which will be described later.
  • the sump housing 100 may include a third sump body 130.
  • the third sump body 130 may refer to the appearance of the sump housing 100 excluding the first sump body 110 and the second sump body 120.
  • the third sump body 130 protrudes upward from the base portion 131 connecting the first sump body 110 and the second sump body 120 and the outer edge of the base portion 131. It may include an edge portion 132.
  • the base portion 131 may be coupled to the tub 12.
  • the edge portion 132 may include an insertion groove 133 into which the first sealing member 91, which will be described later, is coupled.
  • the shape of the third sump body 130 is not limited to the above-described examples and may include various shapes.
  • the sump housing 100 may include a circulation pump connection portion 141 to which the circulation pump 500 is connected.
  • the circulation pump connection part 141 may be in communication with the water storage chamber 111. Washing water stored in the water storage chamber 111 may flow into the circulation pump 500 through the circulation pump connection part 141.
  • the sump housing 100 may include a drain pump connection portion 142 to which the drain pump 600 is connected.
  • the drain pump connection part 142 may be in communication with the water storage chamber 111. Washing water and foreign matter remaining in the water storage chamber 111 may flow into the drain pump 600 through the drain pump connection 142.
  • the sump housing 100 may include a drain pipe connection portion 143 to which the drain pipe 22 is connected.
  • the drain pipe connection part 143 may be provided to communicate with the drain pump connection part 142.
  • the washing water and foreign substances contained in the water storage chamber 111 will flow into the drain pipe 22 via the drain pump connection part 142 and the drain pipe connection part 143 by the pumping force of the drain pump 600. You can. Washing water and foreign substances flowing into the drain pipe 22 may be discharged to the outside of the dishwasher 1.
  • the sump housing 100 may include a water supply port 144 to which the water supply pipe 21 is connected.
  • the water supply port 144 may be in communication with the water storage chamber 111.
  • the water supply port 144 may communicate with the water supply hole 170 formed in the water storage chamber 111.
  • the washing water may be stored in the water storage chamber 111 via a water supply source (not shown), a water supply pipe 21 connected to the water supply source, a water supply port 144, and a water supply hole 170. Additionally, washing water supplied from a water supply source (not shown) may flow into the water supply pipe 21 via a water softener (not shown).
  • Sump housing 100 may include an auxiliary port 145.
  • the turbidity sensor 93 may be detachably mounted on the auxiliary port 145.
  • the turbidity sensor 93 may be provided to detect the degree of contamination of the washing water contained in the water storage chamber 111.
  • a controller (not shown) of the dishwasher 1 may be provided to control the washing cycle (or rinsing cycle) based on information detected by the turbidity sensor 93.
  • a controller (not shown) may control the number and duration of the washing process (or rinsing process) based on the information detected by the turbidity sensor 93. Meanwhile, it is not limited to the above-described example, and as an example, the controller may notify the user of information detected by the turbidity sensor 93.
  • the sump housing 100 may include a holder coupling portion 160.
  • the sump housing 100 may include a holder coupling portion 160 to which a holder 400, which will be described later, is detachably coupled.
  • the holder coupling portion 160 of the sump housing 100 may be coupled to the sump coupling portion 470 of the holder 400.
  • the holder coupling portion 160 of the sump housing 100 may be fastened to the sump coupling portion 470 using a screw (S).
  • S screw
  • Sump assembly 70 may include distribution device 200 .
  • the distribution device 200 may supply the washing water contained in the distribution chamber 121 to the spray device 40.
  • the distribution device 200 may be provided as at least one of a plurality of injection units 41, 42, 43, and 30.
  • the distribution device 200 may selectively spray washing water from a plurality of spray units 41, 42, 43, and 30.
  • the distribution device 200 can reduce the water usage of the dishwasher 1.
  • Dispensing device 200 may include a dispensing motor 210, a connecting shaft 220, and a dispensing disk 230.
  • Dispensing motor 210 may generate rotational force to rotate dispensing disk 230.
  • Distribution motor 210 may include a motor shaft 211.
  • the motor shaft 211 of the distribution motor 210 may form a rotation axis of the distribution motor 210.
  • the motor shaft 211 may be arranged to face the distribution disk 230.
  • connection shaft 220 may connect the distribution motor 210 and the distribution disk 230.
  • the connection shaft 220 may transmit the rotational force generated by the distribution motor 210 to the distribution disk 230.
  • the connection shaft 220 may rotate together with the distribution motor 210 in conjunction with the rotation of the distribution motor 210.
  • the connecting shaft 220 may include a shaft body 221 and a cam body 222.
  • the shaft body 221 may be coupled to the rotation axis of the distribution motor 210, and the other end may be coupled to the rotation axis of the distribution disk 230.
  • the shaft body 221 may include a hollow portion 221a into which the motor shaft 211 of the distribution motor 210 is inserted.
  • the hollow portion 221a may be formed by opening one end of the shaft body 221.
  • the shaft body 221 may extend in the vertical direction.
  • the cam body 222 may be formed on one side of the shaft body 221 adjacent to the distribution motor 210.
  • the cam body 222 may be provided on the radial outer side of the shaft body 221.
  • the cam body 222 may be disposed outside the motor shaft 211 of the distribution motor 210 in the radial direction.
  • the cam body 222 may be provided to contact a switch 240, which will be described later.
  • Dispensing disk 230 may be disposed in dispensing chamber 121 .
  • the distribution disk 230 may be provided to rotate by receiving the rotational force of the distribution motor 210.
  • the distribution disk 230 may be provided to selectively open and close a plurality of connection ports 311, 312, 313, and 314 connected to each of the plurality of injection units 41, 42, 43, and 30 while rotating. Accordingly, the washing water in the distribution chamber 121 can be selectively provided to the plurality of spray units 41, 42, 43, and 30.
  • the distribution disk 230 may include a disk body 231, a shaft coupling portion 232, and a communication hole 233.
  • the disk body 231 may form the exterior of the distribution disk 230.
  • the disk body 231 may have a substantially plate shape.
  • the shaft coupling portion 232 may be connected to the connecting shaft 220.
  • the shaft coupling portion 232 may be detachably coupled to the other end of the shaft body 221 of the connecting shaft 220.
  • the shaft coupling portion 232 may form the rotation axis of the distribution disk 230.
  • the shaft coupling portion 232 may be formed at the center of the disk body 231.
  • the communication hole 233 may be formed through the disk body 231. As the distribution disk 230 rotates, the communication hole 233 may be provided to communicate with at least one of the plurality of connection ports 311, 312, 313, and 314. Washing water in the distribution chamber 121 may flow into the spray unit connected to the connection port through a connection port in communication with the communication hole 233.
  • the dispensing device 200 may include a switch 240 configured to detect the rotational position of the connecting shaft 220.
  • the switch 240 may be mounted on the holder 400.
  • the switch 240 may be rotatably coupled to the holder 400. Details about the switch 240 will be described later.
  • the sump assembly 70 may include a sump cover 300.
  • the sump cover 300 may be provided to cover at least a portion of the sump housing 100.
  • the sump cover 300 may be provided to cover the distribution chamber 121.
  • the sump cover 300 may be supported by the support frame 80.
  • the sump cover 300 may be placed in the washing room (C).
  • the sump cover 300 may be provided as a component of the distribution device 200.
  • the sump cover 300 may be referred to as a distribution cover 300.
  • the sump cover 300 may be formed integrally with the sump housing 100 to form the distribution chamber 121 .
  • the sump cover 300 is shown as having a circular shape, but the sump cover 300 is not limited to this and, for example, the sump cover 300 may have a polygonal shape.
  • the sump cover 300 may include a connection port 310.
  • a connection port 310 may be provided.
  • the connection port 310 may include a first connection port 311, a second connection port 312, a third connection port 313, and a fourth connection port 314.
  • the second connection port 312 and the third connection port 312 may be provided as a single connection port.
  • the sump cover 300 may include a fixing part 320.
  • the fixing part 320 may be provided to fix the auxiliary injection device 30.
  • the fixing part 320 may be fastened to the auxiliary injection device 30 using a screw.
  • Sump assembly 70 may include a holder 400.
  • the holder 400 may be provided to hold some components of the sump assembly 70.
  • the holder 400 may be provided so that some components of the sump assembly 70 are mounted.
  • the holder 400 can allow some components of the sump assembly 70 to be compactly arranged, and thus the size of the sump assembly 70 can be miniaturized.
  • the holder 400 may be placed below the sump housing 100 .
  • the holder 400 may be provided to hold the distribution motor 210.
  • the distribution motor 210 may be mounted on the holder 400 by a screw (S).
  • the distribution motor 210, the holder 400, and the sump housing 100 may be provided to be fastened with a screw (S).
  • the holder 400 may include a holder body 410 that forms the exterior of the holder 400 and an insertion hole 430 formed through the holder body 410.
  • the motor shaft 211 of the distribution motor 210 may be inserted into the insertion hole 430 and protrude toward the connection shaft 220.
  • the motor shaft 211 of the distribution motor 210 may pass through the insertion hole 430 and be coupled to the connection shaft 220.
  • the motor shaft 211 of the distribution motor 210 may pass through the insertion hole 430 and be inserted into the hollow portion 221a.
  • the holder 400 may include a guide hole 420 provided to guide the washing water leaking from the distribution chamber 121.
  • the guide hole 420 can guide the washing water flowing out of the distribution chamber 121 to the outside of the distribution motor 210 to prevent the washing water flowing out of the distribution chamber 121 from flowing into the distribution motor 210. there is.
  • the guide hole 420 may drain the washing water flowing out of the distribution chamber 121 to the outside of the sump assembly 70. Details about this will be described later.
  • the holder 400 may be provided to hold the switch 240.
  • the holder 400 may include a switch holder 440. Details about this will be described later.
  • the holder 400 may include a connector coupling portion 450 to which the connector 700 is coupled.
  • the connector 700 may be mounted on the connector coupling portion 450 and communicate with the washing water inlet 123 of the sump housing 100.
  • the holder 400 may include a valve coupling portion 460 to which the valve assembly 800 is coupled.
  • the valve assembly 800 may be mounted on the valve coupling portion 460 and communicate with the washing water outlet 124 of the sump housing 100.
  • the holder 400 may include a sump coupling portion 470 coupled to the sump housing 100.
  • the sump coupling portion 470 may correspond to the holder coupling portion 160 of the sump housing 100.
  • the sump coupling portion 470 may be fastened to the holder coupling portion 160 using a screw (S).
  • Sump assembly 70 may include a circulation pump 500.
  • the circulation pump 500 may be provided to pump the washing water stored in the water storage chamber 111.
  • the circulation pump 500 may be detachably mounted on the circulation pump connection portion 141 of the sump housing 100.
  • the circulation pump 500 may include an inlet port 510 through which washing water flows from the water storage chamber 111, and an outlet port 520 through which washing water flowing in through the inlet port 510 flows out.
  • the inlet port 510 may be connected to the circulation pump connection 141, and the outlet port 520 may be connected to the connector 700.
  • the circulation pump 500 may be arranged horizontally in the machine room (L).
  • the circulation pump 500 may include a circulation motor (not shown) that generates rotational force to pump the washing water stored in the water storage chamber 111.
  • the motor shaft (not shown) of the circulation motor may be arranged approximately perpendicular to the height direction of the dishwasher 1.
  • the motor shaft of the circulation motor may be arranged in a horizontal direction.
  • the height of the machine room (L) can be lowered to increase the height of the washing room (C).
  • the capacity of the washing room (C) increases, which can be advantageous in securing space in the washing room (C).
  • Sump assembly 70 may include a drain pump 600.
  • the drain pump 600 may be provided to drain the washing water and foreign substances remaining in the water storage chamber 111.
  • the drain pump 600 may be detachably mounted on the drain pump connection portion 142 of the sump housing 100.
  • the drain pump 600 may be in communication with the drain pipe 22.
  • the drain pump 600 may be arranged horizontally in the machine room (L).
  • the drain pump 600 may include a drain motor (not shown) that generates rotational force to pump the washing water and foreign substances contained in the water storage chamber 111.
  • the motor shaft (not shown) of the drain motor may be arranged approximately perpendicular to the height direction of the dishwasher 1.
  • the motor shaft of the drain motor may be arranged in a horizontal direction. In this arrangement, the height of the machine room (L) can be lowered to increase the height of the washing room (C). As a result, the capacity of the washing room (C) increases, which can be advantageous in securing space in the washing room (C).
  • Sump assembly 70 may include a connector 700.
  • the connector 700 may be provided to deliver the washing water pumped from the circulation pump 500 to the distribution chamber 121.
  • One end 710 of the connector 700 may be connected to the outlet port 520 of the circulation pump 500.
  • the other end 720 of the connector 700 may be connected to the washing water inlet 123 of the distribution chamber 121.
  • the connector 700 may be detachably mounted on the holder 400.
  • the connector 700 may be mounted on the connector coupling portion 450 of the holder 400.
  • the other end 720 of the connector 700 may be inserted into the connector coupling portion 450.
  • the connector 700 may be connected to the washing water inlet 123 of the sump housing 100 while being coupled to the holder 400.
  • Sump assembly 70 may include valve assembly 800.
  • the valve assembly 800 may be provided to open and close the flow path between the water tank (not shown) and the distribution chamber 121.
  • the dishwasher 1 may recover relatively clean wash water used during a rinse cycle through the return pipe 23 and store it in a water tank (not shown). The washing water stored in the water tank can be supplied to the sump assembly 70 and reused during the next water supply cycle. As a result, the water usage of the dishwasher 1 can be reduced.
  • the valve assembly 800 opens the flow path between the water tank and the distribution chamber 121, water in the distribution chamber 121 may flow into the water tank through the return pipe 23.
  • the valve assembly 800 closes the flow path between the water tank and the distribution chamber 121, water in the distribution chamber 121 may not flow into the water tank through the return pipe 23.
  • the valve assembly 800 may be detachably mounted on the holder 400.
  • the valve assembly 800 may be mounted on the valve coupling portion 460 of the holder 400.
  • the valve assembly 800 may be coupled to the valve coupling portion 460 of the holder 400.
  • the valve assembly 800 may be connected to the washing water outlet 124 of the sump housing 100 while being coupled to the holder 400.
  • the sump assembly 70 may include a sealing member to reduce or prevent leakage of washing water.
  • the sealing member may include a first sealing member 91 provided to seal between the tub 12 and the sump housing 100. It may be provided to be inserted into the insertion groove 133 formed in the edge portion 132 of the sump housing 100.
  • the first sealing member 91 may have a ring shape.
  • the sealing member may include a second sealing member 92 provided to seal between the sump housing 100 and the dispensing device 200 .
  • the second sealing member 92 may be provided to seal between the flange 150 and the connecting shaft 220.
  • the second sealing member 92 may have a ring shape.
  • FIG. 12 is a perspective view of the sump assembly shown in FIG. 6 cut along an example cut line.
  • FIG. 13 is a partial cross-sectional view of the sump assembly shown in FIG. 12.
  • FIG. 14 is a cross-sectional view showing the sump assembly shown in FIG. 6 along a cut line in another example.
  • FIG. 15 is an enlarged cross-sectional view of a portion of the sump assembly shown in FIG. 14.
  • 16 is an exploded view of a portion of a sump assembly according to one embodiment.
  • FIG. 17 is an exploded view of a portion of the sump assembly shown in FIG. 15 viewed from below.
  • connection shaft 220 may be arranged coaxially with the rotation axis of the distribution motor 210.
  • the connecting shaft 220 may be arranged coaxially with the rotation axis of the distribution disk 230.
  • the rotation axis of the connecting shaft 220 may be provided on the same line as the rotation axis of the distribution motor 210 and the rotation axis of the distribution disk 230.
  • the rotation axis of the connecting shaft 220 may coincide with the rotation axis of the distribution motor 210 and the rotation axis of the distribution disk 230.
  • the rotation axis of the connection shaft 220, the rotation axis of the distribution motor 210, and the rotation axis of the distribution disk 230 may be provided in a vertical direction.
  • the rotation axis of the connecting shaft 220, the rotation axis of the distribution motor 210, and the rotation axis of the distribution disk 230 may be approximately the same as the height direction of the distribution chamber 121.
  • the rotation axis of the connection shaft 220, the rotation axis of the distribution motor 210, and the rotation axis of the distribution disk 230 may be approximately the same as the direction in which the washing water in the distribution chamber 121 flows to the spray device 40.
  • the motor axis of the dispensing motor is provided approximately perpendicular to the direction in which the washing water in the dispensing chamber flows to the spray device.
  • the rotation axis of the distribution disk 230 is disposed in the vertical direction within the distribution chamber 121, and the communication hole 233 and the connection port 310 of the distribution disk 230 are It can communicate in a vertical direction.
  • the washing water pumped by the circulation pump 500 and introduced into the distribution chamber 121 is provided immediately below the connection port 310 in the distribution chamber 121, and is moved to the connection port by rotation of the distribution disk 230. It may flow upward toward (310).
  • the washing water can flow in approximately the same direction as the direction of the rotation axis of the distribution chamber 121, so the flow loss of the washing water can be reduced.
  • the dishwasher 1 can implement an efficient flow path system.
  • the rotation axis of the distribution motor and the rotation axis of the distribution disk are arranged in parallel, and a plurality of gears are separately provided to transmit the rotational force of the distribution motor to the distribution disk.
  • a first gear coupled with the distribution motor, and a second gear meshed with the first gear and coupled with the distribution disk are provided.
  • additional parts for example, bearings, etc.
  • gears are relatively expensive parts, which could increase the cost of the dishwasher.
  • connection shaft 220 is provided coaxially with the rotation axis of the distribution motor 210 and the rotation axis of the distribution disk 230, and moves from the distribution motor 210 to the distribution disk 230.
  • Rotational force can be transmitted directly.
  • the power loss of the distribution motor 210 may be reduced, and a separate member (eg, gear, bearing, etc.) for guiding the rotation of the distribution device 200 may not be needed.
  • the dispensing efficiency of the dispensing device can be improved, and the manufacturing cost of the dispensing device can be reduced.
  • the sump housing 100 may include a flange 150 that corresponds to the chamber hole 122 and extends downward of the sump housing 100 .
  • the flange 150 may be provided in a separate configuration from the sump housing 100.
  • the flange 150 may be coupled to the lower side of the sump housing 100 to correspond to the chamber hole 122.
  • the flange 150 may be provided as a component of the connecting shaft 220.
  • the flange 150 may be provided to communicate with the chamber hole 122. Flange 150 may extend toward dispense motor 210 . The flange 150 may extend along the longitudinal direction of the connecting shaft 220. The flange 150 may extend in the vertical direction. Flange 150 may have a substantially cylindrical shape.
  • the flange 150 may be spaced apart from the outer peripheral surface of the connecting shaft 220 to form a first guide passage 151.
  • the flange 150 may be provided to surround the outer peripheral surface of the connecting shaft 220.
  • the flange 150 may be disposed on the radial outer side of the connecting shaft 220.
  • the flange 150 may be spaced apart from the outer peripheral surface of the shaft body 221 of the connecting shaft 220 to form the first flow path 151.
  • the flange 150 may be provided to surround the outer peripheral surface of the shaft body 221.
  • the flange 150 may be disposed on the radial outer side of the shaft body 221.
  • the flange 150 may be provided to guide the washing water leaking from the distribution chamber 121.
  • the flange 150 may be provided to accommodate washing water leaking from the distribution chamber 121.
  • the flange 150 may be provided to collect washing water leaking from the distribution chamber 121.
  • the first guide passage 151 may be formed between the connecting shaft 220 and the flange 150.
  • the first guide passage 151 may be formed between the shaft body 221 and the flange 150.
  • the first guide passage 151 may be disposed outside the shaft body 221 in the radial direction.
  • the first guide passage 151 may extend in the vertical direction.
  • Washing water flowing out of the distribution chamber 121 may flow along the first guide passage 151.
  • washing water flowing downward from the distribution chamber 121 through the chamber hole 122 may flow downward along the first guide passage 151.
  • Washing water discharged from the second sealing member 92 may flow downward along the first guide passage 151. That is, the flange 150 can guide the washing water between the flange 150 and the shaft body 221 by forming the first guide passage 151.
  • the flange 150 may be referred to as the first guide body 150.
  • the flange 150 may be referred to as the first guide portion 150.
  • the flange 150 may be referred to as the first guide member 150.
  • connection shaft 220 may be provided to guide washing water leaking from the distribution chamber 121.
  • the connection shaft 220 may be provided to receive washing water leaking from the distribution chamber 121.
  • the connection shaft 220 may be provided to collect washing water leaking from the distribution chamber 121.
  • the connecting shaft 220 may be provided to receive and guide the washing water flowing out of the first guide passage 151.
  • the connecting shaft 220 may form a second guide passage 233.
  • the second guide passage 223 may be formed in at least a portion of the connecting shaft 220.
  • the cam body 222 is spaced apart from at least a portion of the outer peripheral surface of the shaft body 221 to form a second guide passage ( 223) can be formed.
  • the present invention is not limited to this, and the cam body 222 may be provided in a separate configuration from the connecting shaft 200.
  • the cam body 222 may be coupled to the outer peripheral surface of the shaft body 221 to form the second guide passage 223.
  • the second guide passage 223 may be formed between the shaft body 221 and the cam body 222.
  • the second guide passage 223 may be disposed outside the shaft body 221 in the radial direction.
  • the second guide passage 223 may be disposed outside the motor shaft 211 of the distribution motor 210 in the radial direction.
  • the second guide passage 223 may extend in the vertical direction.
  • the second guide passage 223 may be provided below the first guide passage 221. However, it is not limited to this, and for example, the upper portion of the second guide passage 223 may overlap with the lower portion of the first guide passage 221.
  • Washing water flowing out of the first guide passage 151 may flow along the second guide passage 223.
  • washing water discharged from the first guide passage 151 may flow downward along the second guide passage 223. Washing water that falls from the first guide passage 151 may flow downward along the second guide passage 223. That is, the connection shaft 220 can guide the washing water between the shaft body 221 and the cam body 222 by forming the second guide passage 223.
  • the cam body 222 may be referred to as the second guide body 222.
  • the cam body 222 may be referred to as the second guide portion 222.
  • the cam body 222 may be referred to as a second guide member 222.
  • the flange 150 is shown to correspond to a configuration of the sump housing 100 and the cam body 222 is shown to correspond to a configuration of the connecting shaft 220, but this is only an example.
  • the flange 150 may be provided in a unique configuration from the sump housing 100.
  • the cam body 222 may be provided in a unique configuration from the connecting shaft 222.
  • the flange 150 and the cam body 222 may be provided as separate configurations, or may be formed integrally and provided as a single configuration. Accordingly, the first guide flow path 151 and the second guide flow path 223 may be provided as separate flow paths or may be provided as one flow path. Additionally, one of the first guide passage 151 and the second guide passage 223 may be omitted.
  • the connection shaft 220 may form a discharge passage 2224a (see FIG. 15) provided to guide the washing water in the second guide passage 223 to the outside of the connection shaft 220.
  • the discharge flow path 2224a may be in communication with the second guide flow path 223.
  • the discharge passage 2224a may communicate with the outside of the connection shaft 220. Meanwhile, the discharge flow path 2224a may be referred to as a third guide flow path 2224a.
  • connection shaft 220 may include a through hole 2224 forming a discharge passage 2224a.
  • the through hole 2224 may be provided at the bottom of the cam body 222.
  • the discharge passage 2224a may be formed in various shapes other than a hole.
  • the discharge passage 2224a may be formed by a cylindrical flange having a hollow portion.
  • Washing water in the second guide passage 223 may pass through the through hole 2224 and flow to the outside of the connection shaft 220.
  • the through hole 2224 may be provided in the lower part of the connection shaft 220. There may be at least one through hole 2224.
  • the connection shaft 220 may include a side guide portion 2223.
  • the side guide portion 2223 may be provided to accommodate washing water in the first guide passage 151.
  • the side guide portion 2223 may be provided to catch the washing water falling from the first guide passage 151.
  • the side guide portion 2223 may be disposed below the flange 150.
  • the side guide portion 2223 may be provided to guide the washing water in the first guide passage 151 to the second guide passage 223.
  • the side guide portion 2223 may allow washing water flowing out of the first guide passage 151 to flow into the second guide passage 223.
  • the side guide portion 2223 may be provided at the top of the cam body 222.
  • the side guide portion 2223 includes a circular plate shape (roughly a dish shape) extending radially outward from an area of the outer peripheral surface of the shaft body 221 that does not correspond to the second guide passage 223. Although shown, it is not limited thereto.
  • the shape and position of the side guide unit 2223 are not limited as long as it can guide the washing water in the first guide passage 151 to the second guide passage 223.
  • the side guide portion 2223 may have a shape that slopes downward toward the second guide passage 223 to easily guide the washing water.
  • the inner diameter D2 of the side guide portion 2223 may be larger than the inner diameter of the flange D1.
  • the inner diameter D2 of the side guide part 2223 may mean the inner diameter D2 of the top of the side guide part 2223. Accordingly, the washing water falling from the first guide passage 151 can stably flow into the second guide passage 223.
  • the holder 400 may include an insertion hole 430 into which the motor shaft 211 of the distribution motor 210 is inserted.
  • the motor shaft 211 of the distribution motor 210 may protrude toward the connection shaft 220 through the insertion hole 430.
  • the holder 400 may include a first protrusion 431 extending upward to correspond to the insertion hole 430.
  • the first protrusion 431 may be provided to support the outer peripheral surface of the motor shaft 211.
  • the first protrusion 431 may have a substantially cylindrical shape.
  • connection shaft 220 may include a second protrusion 224 extending downward from one side of the connection shaft 220 adjacent to the distribution motor 210 .
  • the second protrusion 224 may be provided to cover the first protrusion 431.
  • the second protrusion 224 may be provided to surround the outer peripheral surface of the first protrusion 431.
  • the second protrusion 224 may have a substantially cylindrical shape.
  • the inner diameter d2 of the second protrusion 224 may be larger than the outer diameter d1 of the first protrusion 431. Accordingly, since the second protrusion 224 holds the first protrusion 431, the washing water passing through the through hole 2224 may not flow into the motor shaft 211 of the distribution motor 210. That is, the washing water that has passed through the through hole 2224 may not flow toward the distribution motor 210, but may flow toward the guide hole 420.
  • Washing water discharged from the distribution chamber 121 may flow downward along the first guide passage 151. Washing water discharged from the distribution chamber 121 may be guided between the shaft body 121 and the flange 150 through the first guide passage 151. Washing water flowing out of the first guide passage 151 may be guided by the side guide portion 2223 and flow into the second guide passage 223. Washing water flowing into the second guide passage 223 may flow downward along the second guide passage 223. Washing water in the second guide passage 223 may be discharged to the outside of the connection shaft 220 through the third guide passage (discharge passage) 2224a.
  • the washing water in the second guide passage 223 may pass through the through hole 2224 and be discharged to the outside of the connection shaft 220. Washing water exiting the connection shaft 2220 flows along the upper surface of the holder 400 and may be guided to the outside of the sump assembly 70 through the guide hole 420 of the holder 400.
  • the washing water discharged from the distribution chamber 121 may be guided from the radial outer side of the connecting shaft 220 and drained through the guide hole 420 of the holder 400. Accordingly, by preventing the washing water leaking from the distribution chamber 121 from flowing into the distribution motor 210, it is possible to prevent moisture from penetrating into the distribution motor 210. Ultimately, issues due to leakage of washing water (e.g., fire, breakdown of distribution equipment, etc.) can be prevented in advance. In other words, the use stability of the dishwasher 1 can be increased.
  • Figure 18 is a perspective view showing the coupling relationship of the holder, distribution motor, connecting shaft, and switch of the sump assembly according to one embodiment.
  • FIG. 19 is a perspective view of the holder, distribution motor, connecting shaft and switch of the sump assembly shown in FIG. 18 from another direction.
  • Figure 20 is a plan view of the holder, dispense motor, connecting shaft and switch of the sump assembly shown in Figure 18;
  • Figure 21 is a perspective view of a holder of a sump assembly according to one embodiment.
  • Figure 22 is a perspective view of a connecting shaft of a sump assembly according to one embodiment.
  • Figure 23 is a bottom perspective view of the connecting shaft shown in Figure 22.
  • FIG. 24 is a top view of the connecting shaft shown in FIG. 22.
  • the connecting shaft 220 may be mounted on the holder 400 by being coupled to the motor shaft 211 of the distribution motor 210.
  • the motor shaft 211 of the distribution motor 210 may be inserted into the insertion hole 430 and protrude toward the connection shaft 220.
  • the motor shaft 211 inserted into the insertion hole 430 may be coupled to the hollow portion 221a of the connecting shaft 220.
  • the holder 400 may include a guide hole 420 .
  • the guide hole 420 may be provided outside the insertion hole 430 in the radial direction.
  • the guide hole 420 may be disposed adjacent to the valve coupling portion 460.
  • the guide hole 420 may be disposed adjacent to the connector coupling portion 450.
  • the holder 400 may include at least one wall 421, 422, and 423 provided to surround the side of the guide hole 420. At least one wall 421 , 422 , and 423 may extend upward from the holder body 410 . As a result, the washing water can flow into the guide hole 420 without flowing into other parts (eg, valve assembly 800, connector 700, etc.) mounted on the holder 400.
  • other parts eg, valve assembly 800, connector 700, etc.
  • the holder body 410 may include a shape that slopes downward toward the guide hole 420. Accordingly, the washing water can be smoothly guided toward the guide hole 420.
  • the guide hole 420 is shown as penetrating the holder body 410, but the guide hole 420 is not limited thereto.
  • the guide hole 420 may be provided as a groove to collect washing water flowing out from the connection shaft 220.
  • the guide hole 420 may be referred to as a guide groove 420.
  • the connecting shaft 220 may include a shaft body 221 and a cam body 222.
  • the cam body 222 may include a bottom portion 2221 and a side wall portion 2222.
  • the bottom portion 2221 may extend in the radial direction from one side of the shaft body 221 adjacent to the distribution motor 210.
  • a through hole 2224 may be formed in the bottom portion 2221.
  • the side wall portion 2222 may surround at least a portion of the shaft body 221 from the bottom portion 2221 and extend toward the flange 150.
  • the side wall portion 2222 may be provided on the radial outer side of the shaft body 221.
  • the side wall portion 2222 may extend in the vertical direction.
  • the side wall portion 2222 may form a second guide passage 223.
  • a side guide portion 2223 may be formed at the top of the side wall portion 2222.
  • the cam body 222 may include a convex portion 222a that protrudes outward in the radial direction and a concave portion 222b that is recessed inward in the radial direction from the convex portion 222a.
  • each of the convex portions 222a and the concave portions 222b may be provided in plurality, and the convex portions 222a and concave portions 222b may be alternately arranged along the circumference of the cam body 222. there is.
  • the convex portion 222a and the concave portion 222b may be provided on the side wall portion 2222 of the cam body 222.
  • the convex portion 222a and the concave portion 222b may be provided to contact the switch 240 .
  • the convex portion 222a and the concave portion 222b may be provided to contact the actuator 241 of the switch 240.
  • Figure 25 is a perspective view showing the coupling relationship of the holder, distribution motor, cam shaft, and switch of the sump assembly according to one embodiment.
  • Figure 26 is a plan cross-sectional view showing the coupling relationship of the holder, distribution motor, cam shaft, and switch of the sump assembly according to one embodiment.
  • Figure 27 is a cut-away perspective view showing the coupling relationship between the holder and the switch of the sump assembly.
  • FIG. 28 is a diagram illustrating a portion of a holder of a sump assembly according to an embodiment.
  • FIG. 29 is a diagram showing a state in which a switch is coupled to the holder shown in FIG. 28 (the switch is in the first position).
  • FIG. 30 is a diagram showing the switch shown in FIG. 29 rotated in one direction (the switch is in the second position).
  • FIG. 31 is a diagram showing a state in which a connector is coupled to a terminal of the switch shown in FIG. 30.
  • the switch 240 may be mounted on the holder 400 to detect the rotational position of the connection shaft 220. Switch 240 may be disposed adjacent to connection shaft 220.
  • the switch 240 may include an actuator 241 that is provided to contact the cam body 222 of the connection shaft 220.
  • the actuator 241 may be provided to protrude toward the cam body 222.
  • the actuator 241 may be provided to contact the convex portion 222a and the concave portion 222b of the cam body 222.
  • the switch 240 may be turned on when the actuator 241 contacts the convex portion 222a and may be turned off when the actuator 241 contacts the concave portion 222b.
  • the controller specifies the rotational positions of the distribution disk 230 according to the on and off times of the switch 240, and rotates the distribution disk 230 to a specific rotational position as required among the designated rotational positions.
  • the motor 210 can be controlled.
  • the switch 240 may be detachably coupled to the holder 400.
  • the switch 240 may be rotatably coupled to the holder 400.
  • the switch 240 may include a coupling hole 243.
  • the coupling hole 243 may be formed through the switch body.
  • the coupling hole 243 may be coupled to the coupling shaft 442 of the switch holder 440, which will be described later.
  • a terminal connector 242 may be coupled to the terminal 244 of the switch 240. Information sensed by the switch 240 may be transmitted to another configuration through the terminal connector 242.
  • the terminal connector 242 includes a wire, and the wire of the terminal connector 242 may be electrically connected to the controller.
  • the switch 240 has a first position (P1) (see FIG. 27) that can be coupled to the holder 240, and a second position that can be rotated in one direction (R) from the first position (P1) and contact the connection shaft 220. It may be provided to be rotatable between two positions (P2) (see FIGS. 28 and 29). Details about this will be described later.
  • the holder 400 may include a switch holder 440.
  • the switch mounting portion 440 may include a seating portion 441 on which the switch can be mounted.
  • the seating portion 441 may be provided on the upper surface of the holder body 410.
  • the switch holder 440 may include a coupling shaft 442 that can be coupled to the switch 240.
  • the switch 240 can be stably mounted on the holder 400 through the coupling shaft 442.
  • the coupling shaft 442 may extend upward from the seating portion 441.
  • the coupling shaft 442 of the switch 240 may be rotatably coupled to the coupling hole 243 of the switch 240, which will be described later.
  • the switch holder 440 may include a coupling hole, and the switch 240 may include a coupling shaft.
  • the switch holder 440 may include a cover portion 443 that covers at least a portion of the switch 240.
  • the cover portion 443 may be provided to protect the switch 240.
  • the cover part 443 includes a first extension part 443a extending vertically from the holder body 410 and a second extension part 443b extending horizontally from the first extension part 443b. may include.
  • the first extension part 443a may correspond to the side of the switch 240
  • the second extension part 443b may correspond to the top of the switch 240.
  • the switch holder 440 may include an opening 444 in which the actuator 241 of the switch 240 can be accommodated.
  • the actuator 241 of the switch 240 may pass through the opening 444 and be disposed adjacent to the cam body 222 of the connecting shaft 220.
  • the opening 444 may be formed in the first extension 443a.
  • the switch holder 440 may include a separation prevention protrusion 445.
  • the separation prevention protrusion 445 may be provided to prevent the switch 240 from leaving the second position P2.
  • the departure prevention protrusion 445 may prevent the switch 240 from moving from the second position (P2) to the first position (P1).
  • One side of the switch 240 may be provided to be caught by a separation prevention protrusion 445.
  • one side of the switch 240 may mean a side that is far from the connection shaft 220 when the switch 240 is in the second position (P2).
  • the separation prevention protrusion 445 may be formed on the second extension portion 443b. However, it is not limited to this, and as long as the separation prevention protrusion 445 can prevent the switch 240 from being separated from the second position P2, its location and shape are not limited.
  • the switch 240 may not be easily separated from the second position P2 due to the separation prevention protrusion 445. Accordingly, the switch 240 can accurately sense the rotational position of the connecting shaft 220 as it is stably positioned at the second position P2. For example, the switch 240 can be stably positioned in the second position P2 even if shock, shaking, etc. occur. Additionally, the assembly quality of the switch 240 can be improved.
  • the switch holder 440 may include an elastic member 446.
  • the elastic member 446 may be provided to press the other side of the switch 240 to prevent a gap between one side of the switch 240 and the separation prevention protrusion 445.
  • the other side of the switch 240 may mean a side close to the connection shaft 220 when the switch 240 is in the second position (P2).
  • the switch 240 can be accurately positioned at the second position (P2) by the elastic member 446 and can maintain the state of the second position (P2) constantly. Accordingly, the switch 240 can accurately detect the rotational position of the connecting shaft 220. Additionally, the assembly quality of the switch 240 can be improved.
  • the elastic member 446 extends upward from the holder body 410 and may have a shape bent toward the other side of the switch 240. However, it is not limited to this, and the elastic member 446 may have various shapes to maintain the position of the switch 240 constant.
  • the switch 240 may include a stopper 247.
  • the stopper 247 may be provided to limit the rotation of the switch 240.
  • the stopper 247 may restrict the switch 240 from rotating in one direction (R) from the second position (P2).
  • the stopper 247 prevents the switch 240 from rotating further toward the connecting shaft 220 beyond the second position (P2) when the switch 240 rotates from the first position (P1) to the second position (P2). can do. Accordingly, the switch 240 can be accurately positioned at the second position (P2).
  • the switch holder 440 may include a fixing rib 448 for fixing the switch 240 when the switch 240 is located in the second position (P2).
  • the fixing rib 448 restricts the movement of the switch 240, thereby allowing the switch 240 to be firmly mounted on the holder 400.
  • the switch 240 is stably mounted on the holder 400 by the fixing rib 448, so it cannot be shaken even if an external shock occurs.
  • a plurality of fixing ribs 448 may be provided.
  • the fixing rib 448 may include a first fixing rib 448a, a second fixing rib 448b, and a third fixing rib 448c.
  • the first fixing rib 448a, the second fixing rib 448b, and the third fixing rib 448c may be provided to support a portion of the side of the switch 240.
  • the first fixing rib 448a may be provided to support one side of the connector terminal 244.
  • the second fixing rib 448b may be provided to support the other side of the connector terminal 244.
  • the third fixing rib 448c may be provided to support the other side of the switch 240.
  • the third fixing rib 448c may be provided to support a portion of the upper part of the switch 240.
  • the switch 240 may be mounted on the switch holder 440 of the holder 400.
  • the switch 240 may be rotatably coupled to the switch mounting portion 440 of the holder 400.
  • the switch 240 may be provided at a first position P1 that can be coupled to the holder 400.
  • the coupling hole 243 of the switch 240 may be coupled to the coupling shaft 442 of the switch holder 440.
  • the present invention is not limited to this, and the switch 240 may include a coupling shaft and the switch holder 440 may include a coupling hole.
  • the switch 240 may rotate in one direction (R) while in the first position (P1). As the switch 240 rotates, the actuator 241 of the switch 240 may pass through the opening 444 and be disposed adjacent to the cam body 222 of the connecting shaft 220.
  • the switch 240 may be rotated from the first position (P1) and provided at a second position (P2) that can contact the cam body 222 of the connecting shaft 220.
  • the switch 240 may detect the rotational position of the connecting shaft 220 while located in the second position P2.
  • the switch 240 is formed by a second part of the switch holder 440 (e.g., a separation prevention protrusion 445, an elastic member 446, a stopper 447, a fixing rib 448, etc.). It can be positioned correctly at position P2 and can be stably mounted on the holder 400.
  • a separation prevention protrusion 445 e.g., an elastic member 446, a stopper 447, a fixing rib 448, etc.
  • terminal connector 242 when the switch 240 is located in the second position (P2), the terminal connector 242 may be coupled to the switch terminal 244.
  • terminal connector 242 may be electrically connected to the controller.
  • the switch 240 When the switch 240 is coupled to the holder 400 in the vertical direction, it may interfere with the connection shaft 220. For example, when the switch 240 is coupled to the holder 400 in the vertical direction, it may be caught on the side guide portion 223. That is, it may be difficult to immediately place the switch 240 in the second position (P2). Therefore, the switch 240 is first positioned in the first position (P1) so as not to interfere with the connecting shaft 220, and then rotates in one direction (R) from the first position (P1) to the second position (P2). It can be located in . As a result, the switch 240 can be easily positioned in the second position P2 while being coupled to the holder 400 without interfering with the connection shaft 220 . As a result, the assembling of the switch 240 can be improved.

Landscapes

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

Abstract

Lave-vaisselle comprenant : une cuve formant une chambre de lavage ; une pluralité de rotors de pulvérisation pulvérisant de l'eau de lavage dans la chambre de lavage ; et un ensemble puisard fournissant l'eau de lavage à la pluralité de rotors de pulvérisation. L'ensemble puisard peut comprendre : un boîtier de puisard comprenant une chambre de distribution recevant l'eau de lavage qui est disposée sur la pluralité de rotors de pulvérisation ; un disque de distribution agencé dans la chambre de distribution pour fournir l'eau de lavage logée dans la chambre de distribution à au moins l'un de la pluralité de rotors de pulvérisation ; un moteur de distribution générant une force de rotation pour faire tourner le disque de distribution ; et un arbre de liaison disposé pour transmettre la force de rotation du moteur de distribution au disque de distribution et guider l'eau de lavage s'échappant de la chambre de distribution.
PCT/KR2023/008386 2022-06-30 2023-06-16 Lave-vaisselle WO2024005421A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220080949A KR20240002846A (ko) 2022-06-30 2022-06-30 식기세척기
KR10-2022-0080949 2022-06-30

Publications (1)

Publication Number Publication Date
WO2024005421A1 true WO2024005421A1 (fr) 2024-01-04

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ID=89380821

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/008386 WO2024005421A1 (fr) 2022-06-30 2023-06-16 Lave-vaisselle

Country Status (2)

Country Link
KR (1) KR20240002846A (fr)
WO (1) WO2024005421A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100457594B1 (ko) * 2003-01-06 2004-11-17 엘지전자 주식회사 식기세척기의 다단 분사장치
KR200437712Y1 (ko) * 2007-01-31 2007-12-21 동양매직 주식회사 다방향 유로분배기구를 갖는 식기 세척기
KR101052965B1 (ko) * 2004-06-24 2011-07-29 엘지전자 주식회사 식기 세척기의 누수 방지구조
CN208910114U (zh) * 2018-04-04 2019-05-31 广东美的厨房电器制造有限公司 洗碗机及其过滤系统
KR20190096165A (ko) * 2018-02-08 2019-08-19 엘지전자 주식회사 식기세척기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100457594B1 (ko) * 2003-01-06 2004-11-17 엘지전자 주식회사 식기세척기의 다단 분사장치
KR101052965B1 (ko) * 2004-06-24 2011-07-29 엘지전자 주식회사 식기 세척기의 누수 방지구조
KR200437712Y1 (ko) * 2007-01-31 2007-12-21 동양매직 주식회사 다방향 유로분배기구를 갖는 식기 세척기
KR20190096165A (ko) * 2018-02-08 2019-08-19 엘지전자 주식회사 식기세척기
CN208910114U (zh) * 2018-04-04 2019-05-31 广东美的厨房电器制造有限公司 洗碗机及其过滤系统

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