WO2023113371A1

WO2023113371A1 - Dishwasher

Info

Publication number: WO2023113371A1
Application number: PCT/KR2022/019871
Authority: WO
Inventors: 박범철; 이성훈; 손영수; 김대규
Original assignee: 엘지전자 주식회사
Priority date: 2021-12-16
Filing date: 2022-12-08
Publication date: 2023-06-22
Also published as: KR20230091717A

Abstract

The present disclosure relates to a dishwasher. A dishwasher according to one aspect of the present disclosure comprises: a cabinet; a tub disposed inside the cabinet; and a detergent supply device that supplies a detergent into the tub, wherein the detergent supply device includes: a case having an opening into which a cartridge is introduced and a space in which the cartridge is accommodated; a cover that opens and closes the opening of the case; and a protrusion protruding toward the space in which the cartridge is accommodated and interfering with the cartridge accommodated in the space, wherein a vent hole is formed through the protrusion such that the detergent can be smoothly discharged out of the cartridge.

Description

dish wash machine

The present disclosure relates to a dishwasher, and more particularly, to an automatic detergent supply device for supplying detergent into a tub.

A dishwasher is a device that sprays washing water and steam to dishes accommodated in a tub to clean the dishes in a sanitary state.

The dishwasher may include a detergent supply device for supplying detergent into the tub, and detergent may be stored inside the detergent supply device.

However, conventional dishwashers have a problem in that detergent does not smoothly escape from the detergent supply device because detergent and air are discharged together from the detergent supply device.

In addition, the conventional dishwasher had the inconvenience of requiring the user to manually drill a hole in the space where the detergent is stored in order to solve the above problem.

The present disclosure aims to address the foregoing and other problems.

Another object of the present disclosure may be to provide a dishwasher that smoothly supplies detergent into the tub.

Another object of the present disclosure may be to allow detergent to smoothly escape from the detergent supply device.

Another object of the present disclosure may be to drill a hole in the detergent storage space without adding a separate work process.

Another object of the present disclosure may be to simplify a structure for drilling a hole in the detergent storage space.

Another object of the present disclosure may be to facilitate entry and exit of the detergent container.

The tasks of the present invention are not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

A dishwasher according to one aspect of the present disclosure for achieving the above object includes a cabinet and a tub disposed inside the cabinet.

The dishwasher includes a detergent supply device supplying detergent into the tub.

The detergent supply device includes a case having an opening into which a cartridge is inserted.

The case has a space in which the cartridge is accommodated.

The detergent supply device includes a cover that opens and closes the opening of the case.

The detergent supply device includes a protrusion protruding toward a space in which the cartridge is accommodated.

The protrusion may penetrate into the inside of the cartridge accommodated in the space.

The protrusion may protrude from the case toward the opening.

The cartridge may include a ventilation area through which the protrusion passes.

The ventilation area may have weaker rigidity than other parts of the cartridge.

The protrusion may protrude from the cover toward a space in which the cartridge is accommodated inside the case.

The protrusion may interfere with a cap that shields the inner space of the cartridge.

Details of other embodiments are included in the detailed description and drawings.

According to at least one of the embodiments of the present disclosure, detergent supply into the tub can be smoothly provided by providing a ventilation hole in the cartridge.

According to at least one of the embodiments of the present disclosure, since the ventilation hole is formed by the protrusion provided in the case of the detergent supply device, a separate work process may not be added.

According to at least one of the embodiments of the present disclosure, the vent may be automatically formed by the protrusion formed on the case.

According to at least one of the embodiments of the present disclosure, a structure required for forming a ventilation hole may be simplified by forming the ventilation hole by the protrusion formed on the case.

According to at least one of the embodiments of the present disclosure, the cartridge can be withdrawn together with the cover by forming a ventilation hole with a protrusion formed on the cover.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a front view of a dishwasher according to an embodiment of the present disclosure.

2 is an internal structure diagram of a dishwasher according to an embodiment of the present disclosure.

3 is a perspective view of a dishwasher door according to an embodiment of the present disclosure.

4 is a perspective view of a detergent supply device according to an embodiment of the present disclosure.

5 is a perspective view of a detergent supply device case according to an embodiment of the present disclosure.

6 is a perspective view of a cartridge according to an embodiment of the present disclosure.

7 is a diagram illustrating a cartridge mounting structure according to an embodiment of the present disclosure.

8 is a diagram illustrating formation of vents according to an embodiment of the present disclosure.

9 is an internal structure diagram of a detergent supply device according to an embodiment of the present disclosure.

10 is a perspective view of a detergent supply device according to another embodiment of the present disclosure.

11 is a diagram explaining formation of vents according to another embodiment of the present disclosure.

12 is a diagram illustrating withdrawal of a cartridge according to another embodiment of the present disclosure.

13 is a diagram illustrating formation of vents according to another embodiment of the present disclosure.

14 is a diagram illustrating formation of vents according to another embodiment of the present disclosure.

Hereinafter, embodiments disclosed herein will be described in detail with reference to the accompanying drawings. Regardless of the reference numerals, the same or similar components are given the same reference numerals, and overlapping descriptions thereof will be omitted.

The suffixes "module" and "unit" for the components used in the following description are given or used interchangeably in consideration of only the ease of writing the specification, and do not have meanings or roles that are distinct from each other by themselves.

In addition, in describing the embodiments disclosed in this specification, if it is determined that a detailed description of a related known technology may obscure the gist of the embodiment disclosed in this specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in this specification, the technical idea disclosed in this specification is not limited by the accompanying drawings, and all changes included in the spirit and technical scope of the present disclosure , it should be understood to include equivalents or substitutes.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but the components are not limited by the terms. These terms are only used for the purpose of distinguishing one component from another.

It is understood that when an element is referred to as being “connected” or “connected” to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when a component is referred to as “directly connected” or “directly connected” to another component, it should be understood that no other component exists in the middle.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

Referring to FIG. 1, the overall appearance of the dishwasher 1 will be described.

The dishwasher 1 includes a cabinet 10 in which a tub 100 (see FIG. 2) for accommodating objects to be washed is disposed, and a door 20 disposed in front of the cabinet 10.

The cabinet 10 may form the outer shape of the dishwasher 1 and may have a rectangular column shape. The front of the cabinet 10 may be opened, and an object to be washed may be introduced into the tub 100 through the opening of the cabinet 10 .

The door 20 may open or close the opening of the cabinet 10 . The door 20 may close the opening to seal the tub 100 , and open the opening to allow the tub 100 to communicate with the outside of the cabinet 10 .

The dishwasher 1 may include a control panel 30 disposed above the door 20 . The control panel 30 may be a display capable of displaying driving information of the dishwasher 1 and selecting an operation course of the dishwasher 1 . The control panel 30 may be connected to the door 20 to form a front surface of the door 20 . The control panel 30 is connected to the door body 21 and can move forward together with the door body 21 . The control panel 30 may be moved forward to open the opening of the cabinet 10 .

Hereinafter, the internal structure of the dishwasher 1 will be described with reference to FIG. 2 .

The tub 100 accommodates an object to be washed. Washing water is sprayed into the tub 100 . The tub 100 is disposed inside the cabinet 10 and forms a washing space 100S in which a washing target is accommodated.

At the lower side of the tub 100, a driving unit 200 for circulating washing water is disposed. The driving unit 200 may be disposed inside the cabinet 10 . The driving unit 200 forms a driving space 200S in which structures for circulation of washing water, which will be described later, are disposed.

Inside the tub 100, an upper rack 110 on which an object to be washed is seated, and a lower rack 120 disposed below the upper rack 110 and on which an object to be washed is seated may be disposed.

Inside the tub 100 , a plurality of

spray tubes

150 , 160 , and 170 may be disposed to spray washing water toward washing objects seated on the upper rack 110 and the lower rack 120 .

The plurality of

injection tubes

150, 160, and 170 include a lower injection tube 150 disposed below the lower rack 120 and an upper injection tube disposed between the upper rack 110 and the lower rack 120 ( 160) and a top spray tube 170 disposed above the upper rack 110.

Each of the plurality of

injection tubes

150 , 160 , and 170 may receive washing water from the washing pump 220 . Inside the tub 100, a first injection pipe 130 and a second injection pipe 140 extending from the driving unit 200 may be disposed.

The first injection pipe 130 extends upward from the switching valve 240 and may extend toward the upper injection tube 160 .

The second injection pipe 140 extends upward from the switching valve 240 and may extend toward the top injection tube 170 .

The upper spray tube 160 may be connected to the first spray pipe 130 and receive washing water through the first spray pipe 130 . The top spray tube 170 may be connected to the second spray tube 140 and receive washing water through the second spray tube 140 .

The lower injection tube 150 is connected to the switching valve 240 and can receive washing water through the switching valve 240 .

The lower injection tube 150 may include a plurality of lower injection nozzles 151 . The lower spray nozzle 151 may open toward the washing space 100s and spray washing water toward the lower rack 120 .

The upper injection tube 160 may include a plurality of upper injection nozzles 161 . The upper spray nozzle 161 may open toward the washing space 100s.

The top spray tube 170 may be rotatably disposed on the upper side of the tub 100 and may spray washing water toward the inside of the tub 100 .

Inside the tub 100, a steam spray nozzle 180 for supplying steam into the tub 100 is disposed. The steam spray nozzle 180 may be disposed in front of the tub 100 adjacent to the door 20 . The steam spray nozzle 180 may be disposed to face the lower rack 120 .

The steam injection nozzle 180 may be connected to the washing pump 220 of the driving unit 200 to receive steam generated by the washing pump 220 .

The drive unit 200 includes a sump 210 collecting washing water sprayed toward the washing space 100S, a washing pump 220 extruding the washing water collected in the sump 210 toward the tub 100, and washing A heater 230 connected to the pump 220 to heat the washing water flowing in the washing pump 220 and a switching valve 240 distributing the washing water extruded from the washing pump 220 may be included.

The sump 210 may include a filter 211 that filters foreign substances contained in the collected washing water.

The washing pump 220 may be connected to the sump 210 through a pump inlet pipe 223 . Washing water collected into the sump 210 may flow into the washing pump 220 through the pump inlet pipe 223 when the washing pump 220 is operated.

The heater 230 may heat the washing water introduced into the washing pump 220 to generate hot water or steam. The heater 230 may be disposed below the washing pump 220 and may be integrally manufactured with the washing pump 220 .

Washing water in a warm water state heated by the washing pump 220 may flow into the switching valve 240 through the pump discharge pipe 234 . Washing water flowing into the switching valve 240 may be distributed to the spray arm 150 , the first distribution pipe 130 and the second distribution pipe 140 . The switching valve 240 may selectively flow the introduced washing water to one of the spray arm 150 , the first distribution pipe 130 and the second distribution pipe 140 .

Washing water in a steam state heated by the washing pump 220 may flow to the steam nozzle 180 through the steam nozzle inlet pipe 183 . The steam nozzle 180 may be connected to the washing pump 220 through the steam nozzle inlet pipe 183 and receive steam from the washing pump 220 .

A detergent supply device 300 for supplying detergent to the inside of the tub 100 may be disposed in the washing space 100s. The detergent supply device 300 may be coupled to the door 20 .

The detergent supply device 300 may be coupled to the rear surface of the door 20 . The detergent supply device 300 may supply detergent to the washing space 100s.

When the door 20 is opened, the detergent supply device 300 may be drawn out to the front of the cabinet 10 together with the door 20 . When the door 20 moves forward from the cabinet 10 and is disposed in a horizontal direction, the detergent supply device 300 may also be disposed in a horizontal direction. The user may open the door 20, arrange the detergent supply device 300 in a horizontal direction, and then mount the cartridge 350 inside the case 310 to be described later. When the door 20 is closed, the detergent supply device 300 may be disposed in a vertical direction. When the detergent supply device 300 is vertically arranged, the detergent inside the cartridge 350 may flow downward due to gravity.

Hereinafter, referring to FIG. 3, the arrangement structure of the detergent supply device 300 will be described.

The door 20 may be rotatably coupled to the cabinet 10 . The door 20 may include a rotary arm 24 coupled to the cabinet 10 .

The door 20 may be rotated around the rotary arm 24 coupled with the cabinet 10 .

The door 20 may include a front panel 20a forming the front surface of the door 20 and a rear panel 20b coupled to the front panel 20a and disposed facing the inside of the tub 100 .

The rear panel 20b may be recessed toward the front panel 20a. The rear panel 20b may have a groove 20c recessed toward the front panel 20a.

The detergent supply device 300 may be coupled to the rear surface of the door 20 . The detergent supply device 300 may be disposed in the groove 20c.

The detergent supply device 300 may be disposed to face the inside of the washing space 100S when the door 20 is closed. The cartridge 350 and the connector 360 disposed inside the detergent supply device 300 may be arranged in a vertical direction when the door 20 is closed.

The detergent supply device 300 may move in a direction away from the tub 100 when the door 20 is opened. The cartridge 350 and the connector 360 disposed inside the detergent supply device 300 may be arranged in a horizontal direction when the door 20 is opened.

Hereinafter, with reference to FIG. 4, the appearance of the detergent supply device 300 will be described.

The detergent supply device 300 may include a case 310 having a space therein and a cover 320 opening and closing the inner space of the case 310 .

The case 310 may be coupled to the door 20 . The case 310 may be fixed to the door 20 .

The cover 320 may be detachably disposed on the case 310 . The cover 320 may be separated from the case 310 to open the inner space of the case 310 .

The detergent supply device 300 may include a valve 330 that controls the flow rate of detergent supplied into the tub 100 .

A plurality of valves 330 may be provided. Objects controlled by the plurality of valves 330 may be different. For example, a plurality of detergent storage spaces may be formed inside the cartridge 350, and different types of detergent may be stored in each of the detergent storage spaces. Each of the plurality of valves 330 may control the flow rate of the detergent stored in each of the plurality of detergent storage spaces. The plurality of valves 330 may include a first valve 331 , a second valve 332 , and a third valve 333 . Each of the plurality of detergent storage spaces may store various types of detergents such as detergent, rinse, and enzyme.

Hereinafter, the case 310 will be described with reference to FIG. 5 .

The case 310 may include an opening 311 into which the cartridge 350 is inserted and a space 312 in which the cartridge 350 inserted through the opening 311 is accommodated. The opening 311 may communicate with the space 312 .

The case 310 includes a first wall 314 located on the upper side of the space 312, a second wall 315 extending downward from the first wall 314, and extending downward from the first wall 314. It may include a third wall 316 forming an opening 311 at one end and a fourth wall 317 extending downward from the first wall 314 and facing the third wall 316 .

The space 312 inside the case 310 may refer to a space surrounded by a first wall 314 , a second wall 315 , a third wall 316 , and a fourth wall 317 .

The case 310 may include a block 313 on which the cartridge 350 is seated. The block 313 may be disposed below the space 312 in which the cartridge 350 is disposed.

The case 310 may include a protrusion 340 protruding toward the space 312 in which the cartridge 350 is disposed.

A plurality of protrusions 340 may be disposed. The plurality of protrusions 340 may be spaced apart from each other in a horizontal direction. Each of the plurality of protrusions 340 may correspond to each of a plurality of detergent storage spaces partitioned inside the cartridge 350 . The protrusion 340 may include a first protrusion 341 , a second protrusion 342 , and a third protrusion 343 .

The protrusion 340 may protrude toward the space 312 from the second wall 315 . The protrusion 340 may protrude toward the space 312 from the top of the second wall 315 .

Hereinafter, the cartridge 350 will be described with reference to FIG. 6 .

The cartridge 350 includes a detergent container 351 having a space for storing detergent, a partition 352 disposed inside the detergent container 351, a plate 353 disposed below the detergent container 351, and a plate 353. ) It may include an outlet port 354 disposed on the lower side and an outlet 355 opened to the outlet port 354.

Different types of detergents may be stored inside the detergent container 351 . The partition wall 352 may partition spaces in which the different types of detergents are stored. The barrier rib 352 may be disposed in a vertical direction.

The plate 353 may support the detergent container 351 . The plate 353 may be plastic, and the detergent container 351 may be vinyl.

The outlet 355 may be formed by being opened to the outlet port 354 . The outlet 355 may be connected to a connector 360 to be described later.

Hereinafter, with reference to FIG. 7, insertion of the cartridge 350 will be described.

The cartridge 350 may be detached from the inside of the case 310 . The cartridge 350 may be mounted into the case 310 through the inlet 311 of the case 310 .

The cartridge 350 may be accommodated inside the case 310 and connected to the connector 360 .

The cover 320 may close the opening 311 after the cartridge 350 is received inside the case 310 .

Hereinafter, formation of the vent 358a will be described with reference to FIG. 8 .

The protrusion 340 may protrude toward the space 312 where the cartridge 350 is disposed to form a vent 358a.

Referring to (a) of FIG. 8 , the protrusion 340 may protrude from the second wall 315 in a direction opposite to the direction in which the cartridge 350 is inserted.

The cartridge 350 may be inserted toward the second wall 315 through the opening 311 .

The cartridge 350 in close contact with the second wall 315 may interfere with the protrusion 340 . When the protrusion 340 interferes with the cartridge 350, it may penetrate into the cartridge 350.

The cartridge 350 may include a ventilation area 358 through which the protrusion 340 passes. The ventilation area 358 may mean a part of the cartridge 350 . The material of the ventilation area 358 may be made of a material different from that of other parts of the cartridge 350 . The ventilation area 358 may be made of a material that is thinner or less rigid than other parts of the cartridge 350 . The ventilation area 358 may be located closer to the other end 357 of the cartridge 350 adjacent to the second wall 315 than to the one end 356 of the cartridge 350 adjacent to the opening 311 .

The protrusion 340 may pass through the cartridge 350 by penetrating the ventilation area 358 of the cartridge 350 . The protrusion 340 may pass through the ventilation area 358 and be inserted into the inner space of the cartridge 350 . The protrusion 340 may pass through the ventilation area 358 to form a ventilation hole 358a in the cartridge 350 . The protrusion 340 may interfere with the cartridge 350 by penetrating the ventilation area 358 .

The protrusion 340 may include a body 344 protruding from the second wall 315 toward the cartridge 350 and a ventilation passage 345 formed inside the body 344 .

Body 344 may be hollow cylindrical. The ventilation passage 345 may communicate the exterior of the detergent supply device 300 and the interior space of the cartridge 350 .

The protrusion 340 may form a ventilation hole 358a in the ventilation area 358 . At this time, the protrusion 340 may not be inserted into the cartridge 350. The ventilation hole 358a may be a fine gap formed in the ventilation area 358 . Air outside the cartridge 350 may be introduced into the cartridge 350 through the ventilation hole 358a, which is a fine gap. The ventilation holes 358a may be formed by interference (eg, scratching, friction, compression, etc.) between the protrusion 340 and the ventilation area 358 . The protrusion 340 may be located outside the cartridge 350 after forming the vent 358a.

Referring to (b) of FIG. 8 , the protrusion 340 ′ may protrude downward from the first wall 314 of the case 310 . The protrusion 340' may pass through the ventilation area 358 of the cartridge 350 downward. The protrusion 340' may be inserted downward toward the inner space of the cartridge 350. The protrusion 340 ′ may obliquely extend downward toward the opening 311 . The protrusion 340' may obliquely extend downward in a direction opposite to the direction in which the cartridge 350 is inserted. The protrusion 340' may interfere with the cartridge 350 by penetrating the ventilation area 358.

The protrusion 340' may not be inserted into the cartridge 350. The ventilation hole 358a may be a fine gap formed in the ventilation area 358 . Air outside the cartridge 350 may be introduced into the cartridge 350 through the ventilation hole 358a, which is a fine gap. Ventilation hole 358a may be formed by interference (eg, action of scratching, friction, compression, etc.) between the protrusion 340' and the ventilation region 358. The protrusion 340' may be located outside the cartridge 350 after forming the vent 358a.

Hereinafter, the internal structure of the detergent supply device 300 to which the cartridge 350 is mounted will be described with reference to FIG. 9 .

The detergent supply device 300 may include a connector 360 disposed inside the case 310 and connected to the cartridge 350 .

The connector 360 may be disposed on the lower side of the cartridge 350 . The connector 360 may be disposed between the block 313 and the cover 320 .

The cartridge 350 may be mounted inside the case 310 to supply detergent to the connector 360 .

The cartridge 350 may have a detergent storage space 359 in which detergent is stored. The outlet 355 may be located below the detergent storage space 359 .

The connector 360 may include an inlet 361 connected to the outlet 355 and a supply hole 362 for supplying detergent introduced into the connector 360 through the inlet 361 to the tub 100. .

The detergent supply device 300 may include a supply passage 380 through which the detergent discharged from the connector 360 through the supply hole 362 flows into the tub 100 .

Detergent stored inside the cartridge 350 may flow into the inlet 361 of the connector 360 through the outlet 355 . Detergent introduced into the connector 360 through the inlet 361 may flow into the supply passage 380 through the supply hole 362 . Detergent introduced into the supply passage 380 may be supplied into the tub 100 along the supply passage 380 .

The detergent supply device 300 may include a valve 330 that opens and closes the inlet 361 and the supply hole 362 . The valve 330 may open the inlet 361 , and detergent discharged from the cartridge 350 through the outlet 355 may flow into the connector 360 . The valve 330 may open the supply hole 362 , and detergent introduced into the connector 360 may escape through the supply passage 380 .

The detergent supply device 300 may include a valve moving device 370 that opens and closes the inlet 361 and the supply hole 362 by moving the valve 330 . The valve 330 and the valve shifter 370 may be solenoid valves.

The dishwasher may include a ventilation hose 346 connected to the protrusion 340 . The ventilation hose 346 may communicate the outside of the case 310 with the detergent storage space 359. The ventilation hose 346 may communicate the ventilation passage 345 and the outside of the case 310 . Air outside the case 310 may flow into the cartridge 350 through the ventilation hose 346 . Air inside the cartridge 350 may escape to the outside of the case 310 through the ventilation hose 346 .

The protrusion 340 may be disposed at a position opposite to the outlet 355 . The protrusion 340 may be positioned above the detergent supply device 300, and the outlet 355 may be positioned below the detergent supply device 300. The protrusion 340 may be positioned close to the second wall 315 and the outlet 355 may be positioned close to the cover 320 .

The protrusion 340 may be located closer to the second wall 315 than the cover 320 . The protrusion 340 may be located closer to the first wall 314 than the connector 360 .

The outlet 355 may be located closer to the cover 320 than the second wall 315 . Outlet 355 may be located closer to connector 360 than first wall 314 .

Due to the structure described above, the detergent inside the cartridge 350 can be smoothly introduced into the connector 360 . That is, since the vent 358a is formed by the protrusion 340 , it is possible to prevent a phenomenon in which detergent and air are mixed and escaped through the outlet 355 .

Hereinafter, a detergent supply device 400 according to another embodiment of the present disclosure will be described with reference to FIG. 10 .

The detergent supply device 400 may include a case 410, a cover 420, a cartridge 450 and a connector 460.

In describing the detergent supply device 400 according to another embodiment of the present disclosure, the detergent supply device 300 according to an embodiment of the present disclosure except for the description of the protrusion 440 and the vent 458a. The same description can be applied.

The protrusion 440 may protrude from the cover 420 . The protrusion 440 may protrude from the cover 420 toward the inside of the case 410 . The protrusion 440 may protrude from the cover 420 toward the cartridge 450 .

Ventilation area 458 may be located adjacent to cover 420 . The ventilation area 458 may correspond to the protrusion 440 protruding from the cover 420 . When the cover 420 is closed, the protrusion 440 may be inserted into the cartridge 450 through the ventilation area 458 .

Hereinafter, formation of the vent 458a according to another embodiment of the present disclosure will be described with reference to FIG. 11 .

The protrusion 440 may protrude from the cover 420 toward the inside of the case 410 . The protrusion 440 may protrude toward the cartridge 450 mounted inside the case 410 .

The cover 420 includes a front wall 421 that opens and closes the opening 411, an upper wall 422 extending from the front wall 421 to the inside of the case 410, and from the front wall 421 to the inside of the case 410. It may include an extended sidewall 423 .

The protrusion 440 may protrude into the case 410 from the front wall 421 . The protrusion 440 may be located in a space surrounded by the front wall 421 , the upper wall 422 and the side wall 423 .

When the cover 420 closes the opening 411 , the protrusion 440 may be inserted into the cartridge 450 . The protrusion 440 may pass through the front end 456 of the cartridge 450 and be inserted into the cartridge 450 .

The cartridge 450 may include a ventilation area 458 into which the protrusion 440 is inserted. The ventilation area 458 may be made of a different material from other parts of the cartridge 450 . The ventilation area 458 may be made of a material that is thinner or less rigid than other parts of the cartridge 450 .

The ventilation area 458 may be located closer to the front end 456 of the cartridge 450 than the rear end 457 .

The protrusion 440 may include a body 444 and a ventilation passage 445 formed inside the body 444 .

Air outside the detergent supply device 400 may flow into the inner space 459 of the cartridge 450 through the ventilation passage 445 . Air in the inner space 459 of the cartridge 450 may escape to the outside of the detergent supply device 400 through the ventilation passage 445 .

The case 410 may include a cover holder 418 protruding upward from the first wall 414 .

The cover holder 418 may include a holding portion 418a in which a portion of the cover 420 is accommodated. The holding portion 418a may refer to a space formed between the cover holder 418 and the first wall 414 .

The cover 420 may be fixed by inserting the upper wall 422 into the cover holder 418 . The upper wall 422 may be inserted into the holding portion 418a and fixed to the cover holder 418 .

The protrusion 440 may form a ventilation hole 458a in the ventilation area 458 . At this time, the protrusion 440 may not be inserted into the cartridge 450. The ventilation hole 458a may be a fine gap formed in the ventilation area 458 . Air outside the cartridge 450 may be introduced into the cartridge 450 through the ventilation hole 458a, which is a fine gap. The ventilation holes 458a may be formed by interference (eg, scratching, friction, compression, etc.) between the protrusion 440 and the ventilation area 458 . The protrusion 440 may be located outside the cartridge 450 after forming the vent 458a.

Hereinafter, with reference to FIG. 12, the withdrawal of the cartridge 450 will be described.

The cartridge 450 may be withdrawn from the inner space 412 of the case 410 . The cartridge 450 may be drawn out of the case 410 together with the cover 420 . The cartridge 450 may be separated from the connector 460 and drawn out of the case 410 .

As shown in FIG. 11 , in a state where the cartridge 450 is accommodated in the inner space 412 of the case 410, the protrusion 440 may be inserted and fixed into the cartridge 450. At this time, when the opening 411 of the case 410 is opened by rotating the cover 420, the cartridge 450 fixed to the protrusion 440 moves along with the cover 420 to the inner space 412 of the case 410. can be withdrawn from

Hereinafter, a detergent supply device 500 according to another embodiment of the present disclosure will be described with reference to FIGS. 13 and 14 .

In describing the detergent supply device 500 according to another embodiment of the present disclosure, except for the description of the protrusion 517, the ventilation passage 552 and the cap 553, the detergent according to one embodiment of the present disclosure Description of the supply device 300 can be equally applied.

Referring to FIG. 13 , the cartridge 550 may include a cap 553 .

The cartridge 550 includes a detergent container 551 having a space for storing detergent therein, a ventilation passage 552 protruding upward from the detergent container 551, and a cap 553 coupled to one end of the ventilation passage 552. can include

The ventilation passage 552 is a first ventilation passage 552a extending upward from the detergent container 551 and extending in a direction opposite to the direction X in which the cartridge 550 is inserted from the first ventilation passage 552a. A second ventilation passage 552b may be included. The ventilation passage 552 may be bent upward and extended. The ventilation passage 552 may be bent and extended in a direction opposite to the direction X in which the cartridge 550 is inserted.

The cap 553 may close the ventilation passage 552 . The cap 553 may cover one end of the ventilation passage 552 . The cap 553 may shield the inner space of the cartridge 550 and the outside of the cartridge 550 .

The case 510 may include a first wall 514, a second wall 515 extending downward from the first wall 514, and a protrusion 517 extending downward from the first wall 514. there is.

The cartridge 550 may be injected toward the second wall 515 . The cartridge 550 may form a second wall 515 and a gap G. A gap G between the cartridge 550 and the second wall 515 may decrease as the cartridge 550 is put into the case 510 .

The protrusion 517 may obliquely extend downward from the first wall 514 . The protrusion 517 may be inclined downward in a direction opposite to the direction X in which the cartridge 550 is inserted. An inclination angle θ may be formed between the protrusion 517 and the vertical line.

Referring to FIG. 14 , when the cartridge 550 is put into the case 510 , the cap 553 may be disengaged from the ventilation passage 552 .

When the cartridge 550 is inserted into the case 510, the protrusion 517 may interfere with the cap 553. When the cartridge 550 is inserted into the case 510, the protrusion 517 interferes with the cap 553 to push the cap 553 in a direction opposite to the direction (X) in which the cartridge 550 is inserted. can

The cap 553 may be pushed in a direction opposite to the direction X in which the cartridge 550 is inserted by the protrusion 517 and may be peeled off from the ventilation passage 552 .

When the coupling between the cap 553 and the ventilation passage 552 is released, the inner space of the cartridge 550 may communicate with the inner space 559 of the case 510 . When the coupling between the cap 553 and the ventilation passage 552 is released, the inner space of the cartridge 550 and the inner space 559 of the case 510 may communicate with each other through the vent 552c.

The ventilation passage 552 may include a ventilation hole 552c communicating with the inner space 559 of the case 510 at one end of the second ventilation passage 552b.

The air in the inner space of the cartridge 550 may escape into the inner space of the case 510 through the ventilation passage 552 . Air in the inner space 559 of the case 510 may flow into the cartridge 550 through the ventilation passage 552 .

Although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific embodiments described above, and in the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Various modifications and implementations are possible by those skilled in the art, and these modifications should not be individually understood from the technical spirit or perspective of the present invention.

The scope of the present disclosure is not limited to the above-described embodiment, which may be implemented in various forms. Therefore, if the modified embodiment includes the elements of the claims of the present disclosure, it should be regarded as belonging to the scope of the present disclosure.

Certain or other embodiments of the present disclosure described above are not mutually exclusive or distinct from each other. Certain or other embodiments of the present disclosure described above may be used in combination or combination of respective components or functions.

For example, configuration A described in a specific embodiment and/or drawing may be combined with configuration B described in another embodiment and/or drawing. That is, even if the combination between the components is not directly explained, it means that the combination is possible except for the case where the combination is impossible.

The above detailed description should not be construed as limiting in all respects and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

Claims

cabinet;

a tub disposed inside the cabinet; and

And a detergent supply device for supplying detergent into the tub,

The detergent supply device,

A case having an opening into which a cartridge is inserted and a space in which the cartridge is accommodated;

a cover opening and closing the opening of the case; and

and a protrusion protruding toward a space in which the cartridge is accommodated and interfering with the cartridge accommodated in the space.
According to claim 1,

The protrusion,

A dishwasher protruding from the case toward the opening.
According to claim 1,

the cartridge,

Including a ventilation area that interferes with the protrusion,

The ventilation area is

A dishwasher having weaker rigidity than other parts of the cartridge.
According to claim 1,

The protrusion,

A dishwasher penetrating the inside of the cartridge.
According to claim 1,

The protrusion,

a body protruding toward a space in which the cartridge is accommodated; and

and a ventilation passage that is open inside the body and communicates the outside of the case with the inner space of the cartridge.
According to claim 1,

The protrusion,

It extends downward from the upper wall of the case,

A dishwasher in which the cartridge is inclined in a direction opposite to a direction in which the cartridge is introduced into the case.
According to claim 1,

Disposed inside the case, further comprising a connector connected to the cartridge,

the cartridge,

It is connected to the connector and includes an outlet through which the detergent stored therein escapes,

The outlet is disposed at a position corresponding to the lower portion of the cartridge, and the protrusion is disposed at a position corresponding to the upper portion of the cartridge.
According to claim 1,

Disposed inside the case, further comprising a connector connected to the cartridge,

The case is

A second wall spaced apart from the cover and forming a space in which the cartridge is accommodated between the cover and the second wall;

the cartridge,

It is connected to the connector and includes an outlet through which the detergent stored therein exits,

The outlet is

located closer to the cover than to the second wall;

The protrusion,

A dishwasher positioned closer to the second wall than to the cover.
According to claim 1,

The protrusion,

And a ventilation passage for communicating the outside of the case and the inner space of the cartridge,

The detergent supply device,

A dishwasher comprising a ventilation hose connected to the ventilation passage.
According to claim 1,

The protrusion,

A dishwasher that protrudes from the cover toward a space where the cartridge is accommodated inside the case.
According to claim 1,

the cover,

a front wall opening and closing the opening;

an upper wall extending from the front wall toward the inside of the case; and

A side wall extending from the front wall toward the inside of the case and connected to the upper wall,

The protrusion,

A dishwasher located in a space surrounded by the front wall, the upper wall, and the side wall.
According to claim 11,

The case is

And a cover holder into which the upper wall is inserted,

The protrusion,

A dishwasher positioned below the cover holder.
According to claim 1,

The protrusion,

Protrudes from the cover toward a space in which the cartridge is accommodated and is fixed inside the cartridge;

the cartridge,

When the cover opens the opening, the dishwasher moves together with the cover.
cabinet;

a tub disposed inside the cabinet; and

And a detergent supply device for supplying detergent into the tub,

The detergent supply device,

A case having an opening into which a cartridge is inserted and a space in which the cartridge is accommodated; and

and a protrusion protruding toward a space where the cartridge is accommodated and interfering with a cap shielding an inner space of the cartridge.
According to claim 14,

The protrusion,

It extends downward from the upper wall of the case,

The dishwasher is inclined in a direction opposite to the direction in which the cartridge is introduced into the case.
According to claim 14,

the cartridge,

Detergent receptor having a space for storing detergent;

a first ventilation passage extending upward from the detergent container;

a second ventilation passage extending in a direction opposite to the direction in which the cartridge is introduced from the first ventilation passage; and

A ventilation hole formed at one end of the second ventilation passage,

the cap,

A dishwasher that is detached from the second ventilation passage to open and close the ventilation hole.