EP2187799A1 - Hydraulic coupling of a vertically adjustable dish basket of a dishwasher - Google Patents
Hydraulic coupling of a vertically adjustable dish basket of a dishwasherInfo
- Publication number
- EP2187799A1 EP2187799A1 EP08803199A EP08803199A EP2187799A1 EP 2187799 A1 EP2187799 A1 EP 2187799A1 EP 08803199 A EP08803199 A EP 08803199A EP 08803199 A EP08803199 A EP 08803199A EP 2187799 A1 EP2187799 A1 EP 2187799A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling
- opening
- nozzle
- openings
- sub
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000010168 coupling process Methods 0.000 title claims abstract description 107
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 107
- 230000008878 coupling Effects 0.000 title claims abstract description 69
- 238000005406 washing Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims description 15
- 238000005507 spraying Methods 0.000 abstract 3
- 238000004851 dishwashing Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008237 rinsing water Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/50—Racks ; Baskets
- A47L15/504—Arrangements for changing the height of racks
-
- 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
- A47L15/50—Racks ; Baskets
- A47L15/508—Hydraulic connections for racks
-
- 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
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
Definitions
- the invention relates to a dishwasher with a height-adjustable crockery basket, on which an inlet pipe for a spray arm is arranged.
- a dishwashing machine is e.g. in EP 0 796 587 A2.
- a supply line is fixed, with which the horizontally attached to a height-adjustable dish rack of the dishwasher inlet pipe for a spray arm can be connected by means of a coupling.
- the supply line has an open connection piece protruding in the direction of the inlet pipe and two closed blind pieces projecting in the direction of the inlet pipe.
- One of the closed blind stubs is above and the other blind stub is located below the connecting piece.
- the coupling comprises two openings arranged one above the other, in each of which the connecting piece and one of the blind stubs projects.
- connection piece either protrudes into one or the other opening of the coupling.
- a washing liquor pressurized by the supply line can either flow directly into the inlet pipe or is guided into the inlet pipe via the housing of the coupling.
- the rerouting of the rinsing liquor via the housing of the coupling is hydraulically unfavorable.
- the object of the present invention is therefore to provide a dishwasher with a height-adjustable crockery basket, on which an inlet pipe for a spray arm is arranged, which provides a prerequisite for improved hydraulic guidance of the feed line originating rinse water into the inlet pipe.
- a dishwasher comprising a rinsing container with at least one side wall, a crockery basket which can be pulled out of the rinsing container and height-adjustable, a spray arm, an inlet pipe for the spray arm arranged on the crockery basket, and a coupling device with a first part-coupling and a second sub-coupling, wherein the first sub-coupling is arranged on the side wall and has a number N of superimposed first openings, from which in the operation of the dishwasher a below Pressurized rinsing liquor can emerge, the second sub-coupling is connected to the inlet pipe and having a second opening, which cooperates with one of the first openings of the first sub-coupling depending on the height adjustment of the dish rack, so that the rinsing liquor through the cooperating with the second opening first opening and passes through the second opening during operation of the dishwasher and flows via the inlet pipe to the spray arm, and the second partial coupling is designed such that it close
- the dishwashing machine has the coupling device, by means of which the inlet pipe for the spray arm, which in particular is arranged horizontally on the height-adjustable dish rack, is supplied with the washing liquor during operation of the dishwashing machine.
- the coupling device has the first partial coupling arranged on the side wall of the washing container, which in turn is provided with the first openings. The pressurized flushing solution can potentially escape through the first openings.
- the side wall may in particular be the rear wall of the washing compartment.
- the second sub-coupling of the coupling device is connected to the inlet pipe and has the second opening.
- the second opening cooperates with one of the first opening, so that the washing liquor can pass through this first opening and through the second opening into the inlet pipe.
- the rinsing fluid always flows through the second opening of the second part of the coupling into the inlet pipe.
- the dishwasher according to the invention carried out such that the second sub-coupling is connected to the inlet pipe so that the rinsing water can flow directly through the second opening into the inlet pipe, without being deflected for example by a wall of the second sub-coupling, so conditions are created that in Operation of the dishwasher according to the invention regardless of the height adjustment of the dish rack always the rinsing liquor flows directly into the inlet pipe via the coupling device, whereby a relatively favorable hydraulic guidance of the rinsing liquor is possible.
- the second partial clutch is designed such that in operation it closes the remaining first openings, which do not interact with the second opening, so that only through the first opening cooperating with the second opening, the rinsing liquor flows.
- the first sub-coupling has substantially similar first sockets, each comprising one of the first openings, and the second opening of the second sub-coupling is designed such that the first sockets can be inserted into the second opening.
- This embodiment makes it possible, for example, that the desired first opening cooperates reliably with the second opening.
- the relevant first opening and the second opening overlap partially, whereby the cross-section for the supply of the rinsing water to the inlet pipe is reduced, which could possibly lead to a deterioration of the rinsing process.
- a nozzle is understood to mean a relatively short nozzle tube, in which connection the cross-section of the nozzle does not necessarily have to be circular.
- the second sub-coupling may have at least (N-1) recesses above and below the second opening into which the remaining first unions not cooperating with the second opening may be inserted in order to close their first openings.
- the depressions can be provided in particular with seals.
- the second opening may have a conical shape narrowing towards the interior of the second part-coupling, and / or the first connecting pieces may have a conical shape constricting to the exterior of the first part-coupling. This can assist a reliable introduction of the relevant first nozzle into the second opening and, if appropriate, an insertion of the remaining first nozzle into the recesses of the second partial coupling.
- the first sockets may have seals that at least partially surround the exterior of the first sockets.
- the seals can assist in reliably closing the remaining first openings, in particular in combination with the depressions of the second part coupling.
- the second part of the coupling has a second nozzle, which comprises the second opening, and their first openings of the first coupling are designed such that the second nozzle can be inserted into the first openings. This embodiment makes it possible, for example, that the desired first opening cooperates reliably with the second opening.
- the relevant first opening and the second opening partially overlap, as a result of which the cross section for the supply of the rinsing liquor to the inlet pipe is reduced, which could possibly lead to a deterioration of the rinsing process.
- the first openings may have a conical shape narrowing towards the interior of the first part coupling and / or the second neck may have a conical shape narrowing toward the exterior of the second part coupling. This may assist in reliably introducing the second nozzle into the relevant first aperture
- the second nozzle may have a seal which at least partially surrounds the exterior of the second nozzle.
- the second sub-coupling above and below the second nozzle (N-1) on pins which can be inserted into the remaining, not cooperating with the second opening of the second nozzle first openings to close them.
- the pins can assist in reliably closing the remaining first openings.
- the pins may have a tapered to the exterior of the second sub-coupling conical shape, whereby a reliable insertion of the pins can be supported in the remaining first openings.
- the pins may have seals which at least partially surround the exterior of the pins.
- the second sub-coupling above and below the second nozzle (N-1) third sockets which correspond substantially to the second nozzle and the second opening corresponding third openings, each with a detachable or non-detachable closure device are closed, wherein the third port can be plugged into the remaining, not cooperating with the second opening of the second nozzle first openings to close them.
- the sealed with the closure devices third nozzle act similar to the pin of the above-mentioned variant of the dishwasher according to the invention.
- the closure devices may, for example, be conical lids, for example, which are eg detachably inserted, clamped or screwed onto the third openings of the third connection pieces.
- the third openings may also be non-releasably connected to the third sockets to close the third openings.
- the third sockets and / or the closure means of the third sockets may have a conical shape narrowing towards the exterior of the second sub-coupling, e.g. to assist reliable insertion of the third ports into the remaining first ports.
- the third connection piece may have, for example, seals which at least partially surround the exterior of the third connection piece.
- the first sub-coupling substantially similar first nozzle each comprising one of the first openings
- the second sub-coupling the second nozzle and optionally the pin or sealed with the closure devices third nozzle wherein the second nozzle in the relevant first nozzle in the operation of the dishwasher Dish inserted and, if necessary, put the pin or the third port in the remaining first port.
- Weight compensation of the crockery basket can be made possible
- the coupling device can be designed such that it has no moving seals
- the second part of the coupling and the inlet pipe may be integrally formed. If the dishwasher according to the invention has a feed tube for the wash liquor arranged on the side wall, then the feed tube can be connected to the first part coupling and, in particular, can be made in one piece with the first part coupling.
- FIG. 1 shows a section through a part of a dishwasher with a coupling for coupling one with an inlet pipe of a spray arm and
- Figure 2-7 different views of the coupling for coupling the inlet pipe.
- Fig. 1 shows a section of a portion of a dishwasher 1 with a rinse tank 2 only partially shown, from which a non-illustrated, but generally known height-adjustable dish rack can be at least partially pulled out.
- a spray arm 3 and its inlet pipe 4 is attached on the crockery basket.
- the Spray arm 3 is supported by means of a non-illustrated storage on the horizontally extending in the case of the present embodiment inlet pipe 4 and the inlet pipe 4 is by means of a receptacle 5, which is integrally formed in the case of the present embodiment of the inlet pipe 4, not shown longitudinal wires of Dish rack attached to this.
- the dishwasher 1 On a side wall of the washing compartment 2, in the case of the present embodiment on the rear wall 6 of the washing compartment 2, a supply pipe 7 is fixed, through which a washing liquor can be conducted under pressure via the inlet pipe 4 to the spray arm 3 during operation of the dishwasher 1.
- the dishwasher 1 comprises a coupling 8 with a first partial coupling 9 and a second partial coupling 10 shown in greater detail in FIG. 2. Further views of the coupling 8 are shown in FIGS - 7 shown.
- the first part of the clutch 9 is connected to the feed tube 7 and is integrally formed therewith and has three superimposed, open and substantially identically shaped cylindrical nozzle 11 - 13, which constricting to the interior of the first part clutch 9 may have conical shape.
- the nozzles 1 1 - 13 each have an opening 14 through which pressurized washing liquor, which is supplied during operation of the dishwasher 1 by means of the feed tube 7 to the first part coupling 9, can emerge. Furthermore, the above and below the central nozzle 12 arranged Stutzten 1 1, 13 are each equidistant from the central port 12.
- the second partial coupling 10 comprises five cylindrical stubs 15-19, which are arranged one above the other and have substantially the same shape, each having an opening 20.
- the connecting pieces 15-19 may have a conical shape narrowing toward the exterior of the second partial coupling 10, and the distances between in each case two adjacent connecting pieces 15-19 are essentially identical.
- the outer diameter of the individual stub 15 - 19 of the second part of the clutch 10 are designed such that they can be inserted into the openings 14 of the nozzle 1 1 - 13 of the first part clutch 9.
- the cover 21 may be permanently or detachably connected to the nozzle 15, 16, 18, 19 and have a conical shape.
- the two partial clutches 9, 10 are intended to be inserted into one another during operation of the dishwasher 1.
- the middle connecting piece 17 of the second partial coupling 10 is inserted into the opening 14 of one of the three connecting pieces 11-13 of the first partial coupling 9.
- FIG. 5 illustrates a scenario in which the crockery basket is in an upper position and accordingly, when the crockery basket is pushed into the washing container 2, the middle connecting piece 17 of the second partial coupling 10 is guided into the opening 14 of the upper nozzle 13.
- the other two stubs 11, 12 of the first sub-coupling 9 are spaced apart from each other and the remaining with the lids 21 closed nozzle 15, 16, 18, 19 of the second sub-coupling 10 are spaced apart such that the lower and closed with lids 21 nozzle. 15 , 16 are pushed into the openings 14 of the nozzle 1 1, 12 and thereby close the openings 14 of the nozzle 11, 12.
- FIG. 6 illustrates a scenario in which the crockery basket is in a middle position and accordingly, when the crockery basket is pushed into the washing container 2, the middle connection piece 17 of the second part-coupling 10 is guided into the opening 14 of the central connection piece 12.
- the lid 21 Stutzen 16 which is located directly below the middle and unsealed neck 17 of the second part of the coupling 10, pushed to close the opening 14 of the nozzle 11.
- FIG. 7 illustrates a scenario in which the crockery basket is in a lower position and accordingly when the crockery basket is pushed into the washing container 2, the middle and unlocked connection piece 17 of the second partial coupling 10 is inserted into the washing compartment Opening 14 of the lower nozzle 1 1 is performed.
- the two above the middle and unclosed nozzle 17 arranged sealed connection 18, 19 are pushed to close the nozzle 12, 13.
- the second part of the clutch 10 and the inlet pipe 4 are also integrally formed such that the middle port 17 of the second part of the coupling 10 is a part of the inlet pipe 4.
- the pressurized rinsing liquor passes through that opening 14 of the nozzle 1 1, 12, 13 of the first sub-coupling 9, in which the unsealed nozzle 17 of the second sub-coupling 10 is inserted directly into the inlet pipe 4, without over a wall of the second sub-coupling 10th to be diverted.
- the connecting pieces 15-19 of the second partial coupling 10 are provided with seals 22.
- a rinsing liquor to be sprayed into the feed tube 7 is conveyed by the spray arm 3 from a circulating pump (not shown) via the feed tube 7 and via the inlet tube 4.
- the second part of coupling 10 may also have pins which optionally close the openings 14 of the nozzle 1 1 - 13 of the first part clutch 9.
Landscapes
- Washing And Drying Of Tableware (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08803199T PL2187799T3 (en) | 2007-08-31 | 2008-08-25 | Hydraulic coupling of a vertically adjustable dish basket of a dishwasher |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007041307A DE102007041307A1 (en) | 2007-08-31 | 2007-08-31 | dishwasher |
PCT/EP2008/061083 WO2009027370A1 (en) | 2007-08-31 | 2008-08-25 | Hydraulic coupling of a vertically adjustable dish basket of a dishwasher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2187799A1 true EP2187799A1 (en) | 2010-05-26 |
EP2187799B1 EP2187799B1 (en) | 2013-08-07 |
Family
ID=39940578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08803199.2A Active EP2187799B1 (en) | 2007-08-31 | 2008-08-25 | Hydraulic coupling of a vertically adjustable dish basket of a dishwasher |
Country Status (7)
Country | Link |
---|---|
US (1) | US8561624B2 (en) |
EP (1) | EP2187799B1 (en) |
CN (1) | CN101790342B (en) |
DE (1) | DE102007041307A1 (en) |
ES (1) | ES2425878T3 (en) |
PL (1) | PL2187799T3 (en) |
WO (1) | WO2009027370A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2242414B1 (en) * | 2007-12-31 | 2016-03-23 | Arçelik Anonim Sirketi | A dishwasher |
DE102008016485A1 (en) * | 2008-03-31 | 2009-10-01 | BSH Bosch und Siemens Hausgeräte GmbH | dishwasher |
KR101634173B1 (en) * | 2009-04-14 | 2016-06-28 | 엘지전자 주식회사 | Dish washer |
US8801863B2 (en) | 2011-05-11 | 2014-08-12 | Whirlpool Corporation | Dishwasher with rack corner spray system |
US8778094B2 (en) | 2011-05-11 | 2014-07-15 | Whirlpool Corporation | Dishwasher with multi-feed washing system |
US9034114B2 (en) | 2012-09-14 | 2015-05-19 | Whirlpool Corporation | Dishwasher with booster agent dispersal system |
CN104887162B (en) * | 2015-06-25 | 2018-07-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Gushing arm component for dish-washing machine |
EP3610770A1 (en) * | 2015-07-20 | 2020-02-19 | LG Electronics Inc. -1- | Dishwasher |
CN107137039B (en) * | 2017-05-15 | 2020-01-31 | 珠海格力电器股份有限公司 | Dish washing machine |
CN110269562A (en) * | 2018-03-16 | 2019-09-24 | 青岛海尔洗碗机有限公司 | A kind of spray structure of dish-washing machine |
CN111920357B (en) * | 2020-09-02 | 2024-02-27 | 珠海格力电器股份有限公司 | Dish-washing machine |
US12016509B2 (en) | 2021-04-01 | 2024-06-25 | Whirlpool Corporation | Water feed tube for dishwasher with integrated retainer |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2355271A1 (en) * | 1973-11-06 | 1975-05-07 | Licentia Gmbh | Dishwasher with spray arm feed pipe - is loosely coupled to water feed duct attached fast to housing |
SE444884B (en) * | 1980-03-11 | 1986-05-20 | Electrolux Ab | HUSHALLSDISKMASKIN |
SE442703B (en) * | 1981-11-24 | 1986-01-27 | Electrolux Ab | CLUTCH DEVICE FOR A DISHWASHER ORGANIZED RINSE SYSTEM |
IT1282096B1 (en) * | 1996-01-29 | 1998-03-12 | Smeg Spa | HYDRAULIC CONNECTION DEVICE FOR DISHWASHER BASKET POSITIONABLE AT TWO DIFFERENT HEIGHTS |
DE19611054A1 (en) | 1996-03-20 | 1997-09-25 | Bosch Siemens Hausgeraete | dishwasher |
DE69731387T2 (en) * | 1996-07-17 | 2005-11-10 | Arcelik S.A. | SOLUBLE HYDRAULIC CONNECTION OR LIQUID DISTRIBUTION VALVE FOR HOUSEHOLD WASHING MACHINE |
FR2753058B1 (en) | 1996-09-10 | 1998-10-16 | Oreal | LIQUID OR SEMI-LIQUID APPLICATION ASSEMBLY |
IT1284791B1 (en) * | 1996-09-11 | 1998-05-21 | Merloni Elettrodomestici Spa | IMPROVED HYDRAULIC CIRCUIT DISHWASHER. |
IT1289970B1 (en) * | 1997-02-25 | 1998-10-19 | Smeg Spa | HYDRAULIC CONNECTION DEVICE FOR DISHWASHER BASKET POSITIONABLE AT TWO DIFFERENT HEIGHTS |
IT1290112B1 (en) * | 1997-03-18 | 1998-10-19 | Smeg Spa | HYDRAULIC CELL-CONNECTION DEVICE FOR DISHWASHER BASKET POSITIONABLE AT TWO DIFFERENT HEIGHTS |
US6431188B1 (en) * | 2000-04-03 | 2002-08-13 | Whirlpool Corporation | Dishwasher spray arm feed system |
KR100658845B1 (en) * | 2005-01-25 | 2006-12-15 | 엘지전자 주식회사 | A nozzle guide assembly of dish washer |
DE102006061159B3 (en) * | 2006-12-22 | 2008-07-03 | BSH Bosch und Siemens Hausgeräte GmbH | dishwasher |
SE531346C2 (en) * | 2007-07-09 | 2009-03-03 | Asko Cylinda Ab | Dishwasher provided with a coupling device for coupling between a flushing liquid tube and a flushing arm in a flushing system |
EP2242414B1 (en) * | 2007-12-31 | 2016-03-23 | Arçelik Anonim Sirketi | A dishwasher |
-
2007
- 2007-08-31 DE DE102007041307A patent/DE102007041307A1/en not_active Withdrawn
-
2008
- 2008-08-25 US US12/674,720 patent/US8561624B2/en active Active
- 2008-08-25 WO PCT/EP2008/061083 patent/WO2009027370A1/en active Application Filing
- 2008-08-25 ES ES08803199T patent/ES2425878T3/en active Active
- 2008-08-25 PL PL08803199T patent/PL2187799T3/en unknown
- 2008-08-25 EP EP08803199.2A patent/EP2187799B1/en active Active
- 2008-08-25 CN CN2008801047417A patent/CN101790342B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2009027370A1 * |
Also Published As
Publication number | Publication date |
---|---|
US8561624B2 (en) | 2013-10-22 |
DE102007041307A1 (en) | 2009-03-05 |
CN101790342A (en) | 2010-07-28 |
US20110155190A1 (en) | 2011-06-30 |
WO2009027370A1 (en) | 2009-03-05 |
CN101790342B (en) | 2012-04-11 |
PL2187799T3 (en) | 2013-12-31 |
EP2187799B1 (en) | 2013-08-07 |
ES2425878T3 (en) | 2013-10-17 |
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