KR20140037553A - Dishwashing machine - Google Patents

Dishwashing machine Download PDF

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Publication number
KR20140037553A
KR20140037553A KR1020120103852A KR20120103852A KR20140037553A KR 20140037553 A KR20140037553 A KR 20140037553A KR 1020120103852 A KR1020120103852 A KR 1020120103852A KR 20120103852 A KR20120103852 A KR 20120103852A KR 20140037553 A KR20140037553 A KR 20140037553A
Authority
KR
South Korea
Prior art keywords
tower
flow path
washing water
guider
rack
Prior art date
Application number
KR1020120103852A
Other languages
Korean (ko)
Inventor
김대규
주병현
한신우
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020120103852A priority Critical patent/KR20140037553A/en
Priority to CN201310220385.8A priority patent/CN103654666B/en
Priority to GB1507326.5A priority patent/GB2522147B/en
Priority to GB1310177.9A priority patent/GB2506227B/en
Priority to US13/917,740 priority patent/US9867519B2/en
Priority to FR1356211A priority patent/FR2995521B1/en
Priority to AU2013222039A priority patent/AU2013222039B2/en
Priority to US14/019,584 priority patent/US9173541B2/en
Priority to BR102013023407-9A priority patent/BR102013023407B1/en
Priority to DE102013218677.0A priority patent/DE102013218677B4/en
Priority to EP13184984.6A priority patent/EP2710945B1/en
Priority to RU2013142627/12A priority patent/RU2551758C1/en
Priority to CN201310428509.1A priority patent/CN103654669B/en
Publication of KR20140037553A publication Critical patent/KR20140037553A/en

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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
    • A47L15/14—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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets
    • 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
    • A47L19/00—Drying devices for crockery or table-ware, e.g. tea-cloths
    • A47L19/04—Crockery baskets; Draining-racks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets

Abstract

The present invention relates to a dish washer and, more specifically, a dish washer including a water supply pump supplying washing water stored in a sump to a tower nozzle and the tower nozzle spraying the washing water to an upper rack and a lower rack as one end is fixed to the lower rack and the other end is extended towards the upper lack. The dish washer includes a tub, the upper rack, the lower rack, the sump, the tower nozzle, and the water supply pump.

Description

Dishwasher {Dishwashing Machine}

The present invention relates to a dishwasher.

In general, the dishwasher refers to a device for storing (in some cases, drying) dirt remaining in a washing object by using the washing water after storing the washing object in the washing space.

FIG. 1 illustrates a conventional dishwasher. The conventional dishwasher includes a cabinet 200 having a tub 210 for providing a washing space, an upper rack 220 provided inside the tub for receiving a washing object, A lower arm 260 for spraying washing water to the lower rack, an upper arm 250 for spraying washing water to the upper rack, a second arm 260 for spraying washing water to the upper rack, A pump P for supplying wash water stored in the sump 240 to the lower arm 260 through the flow path P1, a second flow path P2 branched from the first flow path and supplying wash water to the upper arm 250, .

The sump 240 receives the washing water through the water supply channel 241 and drains the washing water in the sump through the drainage channel 243 and the second channel P2 is connected to the first channel P1 supplied to the upper arm 250 to supply the washing water to the upper arm 250.

However, in the conventional dishwasher, since the upper arm 250 is positioned between the upper rack 220 and the lower rack 230 to clean the object to be cleaned, the upper rack 220 and the lower rack 230 A space for providing the upper arm 250 is essential.

Therefore, since the volume of the tub 210 is limited in the conventional dishwasher, the height of the racks 220 and 230 or the size of the washable object accommodated in the racks 220 and 230 are limited by the position of the upper arm 250. There was no problem.

Also, since the conventional dishwasher has to place the second flow path P2 for supplying the washing water to the upper arm 250 on the inner circumferential surface of the tub, the length and position of the racks 220 and 230 are limited by the position of the second flow path There was a problem to receive.

In conclusion, the conventional dishwasher has a problem that it is difficult to efficiently utilize the washing space provided by the tub by the upper arm.

Disclosed is a dishwasher which not only improves cleaning efficiency but also efficiently utilizes a space of a tub in which a cleaning object is accommodated.

Another object of the present invention is to provide a dishwasher including a spray gun for spraying washing water to a lower rack and a tower nozzle for supplying washing water to the upper rack.

In addition, the present invention is to solve the problem to provide a dishwasher for supplying the washing water to any one of the flow path for supplying the washing water to the injection nozzle and the flow path to the spray nozzle through the flow path switching unit rotates according to the water pressure of the washing water It is a task.

In addition, an object of the present invention is to provide a dishwasher equipped with a tower nozzle capable of supplying the washing water to the upper rack as well as supplying the washing water to the upper rack to improve the washing efficiency.

In addition, the present invention provides a dishwasher including a lower nozzle flow path for supplying the washing water toward the lower rack and a tower nozzle provided with a lower spray guider for evenly supplying the washing water supplied from the lower injection flow path to the upper portion of the lower rack. The task to be solved.

The present invention, in order to solve the above problems, a tub for providing a washing space, the upper rack provided in the tub is accommodated for the cleaning object, the cleaning object is provided in the tub is accommodated in the lower portion of the upper rack And a sump for storing the lower rack, wash water, one end fixed to the lower rack and the other end extending toward the upper rack, and a tower nozzle for spraying the washing water to the upper rack and the lower rack. It provides a dishwasher including a water supply pump for supplying the stored washing water to the tower nozzle.

That is, the present invention provides a tub for providing a washing space, an upper rack provided inside the tub to accommodate a washing object, and a lower rack provided inside the tub to accommodate a washing object and provided below the upper rack; A tower flow passage having one end fixed to the lower rack and the other end extending toward the upper rack, the tower flow passage being rotatably provided at the tower flow passage to supply the washing water supplied from the tower flow passage to the upper rack; A spray nozzle for spraying on the spray nozzle, a downward spray oil for discharging the washing water inside the spray nozzle toward the lower rack, and a tower nozzle with a lower spray guider for scattering the flushing water discharged from the lower spray path on the upper portion of the lower arm; It provides a dishwasher including a feed pump for supplying the washing water stored in the sump to the tower flow path.

In this case, the injection nozzle further comprises a connection pipe coupled to the tower flow path to rotatably support the injection nozzle to the tower flow path, the injection hole for supplying the washing water supplied through the tower flow path to the upper arm; The downward injection flow path may be provided in a coupling space between the connection pipe and the tower flow path (the downward injection flow path may be provided by a tolerance formed between the connection pipe and the tower flow path).

In addition, the downward injection flow path may be provided in at least one of the connecting pipe and the tower flow path may be provided as a groove for discharging the washing water inside the injection nozzle to the outside of the injection nozzle.

In addition, the downward injection guider may be located in the lower portion of the downward injection flow path may be provided in a ring shape along the outer circumferential surface of the tower flow path.

In this case, the downward injection guider may be provided to be inclined at a predetermined angle toward the lower rack from the outer circumferential surface of the tower flow path.

On the other hand, the downward injection guider is provided with a guider body having a passage hole through which the tower flow path passes, and the washing water discharged from the downward injection flow path toward the edge of the guider body at the center of rotation of the guider body. It may be provided to include a blade for rotating the guider body.

In this case, a plurality of blades may be provided on the surface of the guider body, and the plurality of blades may be disposed spirally on the surface of the guider body.

The downward injection guider may further include a discharge hole positioned between one blade and the other blade and penetrating the guider body.

In this case, the discharge hole may be provided to have a predetermined length toward the edge of the guider body at the center of rotation of the guider body.

The downward injection guider may further include a bending groove positioned between one blade and the other blade, the outer peripheral surface of the guider body being bent toward the center of rotation of the guider body.

The downward injection guider may further include an inclined surface provided along the edge of the guider body and inclined at a predetermined angle.

In addition, the present invention is provided in the lower portion of the lower rack is supplied with the wash water through the water supply pump and supplied to the lower rack and withdrawn from the lower arm in accordance with the water pressure inside the lower arm, the lower arm It may further include a tower connection portion connected to the tower flow path when the withdrawal is supplied to supply the washing water to the tower flow path.

In this case, the lower arm communicates with the lower arm chamber through the lower arm chamber through which the washing water supplied from the feed water pump flows, and the female oil passage communicating hole, and sprays the washing water supplied through the female oil passage communicating hole to the lower arm. A female flow passage further includes a detachable tube chamber accommodating the tower connection portion and communicating with the lower arm chamber through a chamber communication hole, and selectively opening the female flow path communication hole and the chamber communication hole inside the lower arm chamber. The flow path switching unit may be provided.

The present invention can provide an improved dishwasher that not only improves the cleaning efficiency but also efficiently utilizes the space of the tub in which the object to be cleaned is received.

In addition, the present invention can provide the dishwasher provided with the spray gun for spraying the washing water to the lower rack and the tower nozzle for supplying the washing water to the upper rack.

In addition, the present invention can provide an effect of providing a dishwasher for supplying the washing water to any one of the flow path for supplying the washing water to the injection arm and the flow path for supplying the washing water to the tower nozzle through the flow path switching unit rotates according to the water pressure of the washing water. Can be.

In addition, the present invention can provide the effect of providing a dishwasher equipped with a tower nozzle capable of supplying the washing water to the upper rack as well as supplying the washing water to the upper rack to improve the washing efficiency.

In addition, the present invention provides an effect of providing a dishwasher including a lower nozzle flow path for supplying the washing water toward the lower rack and a tower nozzle with a lower injection guider for evenly supplying the washing water supplied from the lower injection path to the upper part of the lower rack. Can be planned.

1 shows a structure of a conventional dishwasher.
2 shows the structure of the dishwasher of the present invention.
Figure 3 illustrates a coupling structure of the tower nozzle and the lower rack provided in the dishwasher of the present invention.
4 is an exploded perspective view of a tower nozzle, a rack fixing part, a tower connecting part, and a lower arm of the dishwasher of the present invention.
Fig. 5 shows a coupling structure of the tower nozzle, the rack fixing portion, the tower connection portion, and the lower arm.
6 is an exploded perspective view of the lower arm.
7 is a perspective view of a flow path switching unit provided in the dishwasher of the present invention.
Figure 8 illustrates the movement of the flow path switching unit provided in the dishwasher of the present invention.
Figure 9 illustrates an embodiment of a tower nozzle provided in the dishwasher of the present invention.
10 illustrates another embodiment of the tower nozzle provided in the dish washing machine of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Unless defined otherwise, all terms herein are the same as the general meaning of the term as understood by one of ordinary skill in the art to which this invention belongs, and if the terms used herein conflict with the general meaning of the term Are as defined herein.

On the other hand, the configuration or control method of the device to be described below is not intended to limit the scope of the present invention, but to describe the embodiment of the present invention, the same reference numerals are used throughout the specification the same components Indicates.

FIG. 2 illustrates a structure of a dishwasher according to the present invention. The dishwasher 100 of the present invention includes a cabinet 1 forming an outer appearance, a tub 11 located inside the cabinet to provide a washing space, A sump cover 15 positioned at an upper portion of the sump for separating the tub and the sump, and a door 16 provided in the cabinet for opening and closing the washing space.

The sump 13 is connected to a sump drainage passage 131 through which wash water is supplied and a sump drainage passage 133 through which the wash water in the sump is drained. And a recovery hole 151 for recovering the washing water injected into the washing space through the top nozzle 8 to the sump.

Inside the tub 11 is a rack in which a cleaning object such as a tableware is received. The rack may include a first rack 191 and a second rack 193 located under the first rack. The rack 191 is referred to as an upper rack, and the second rack 193 is referred to as a lower rack.

The upper rack 191 and the lower rack 193 can be provided to be pulled out of the tub 11 when the door 16 opens the washing space. To this end, the inner surface of the tub is provided with rails 111 And wheels 1911 and 1931 for supporting the respective racks on the rails 111 may be further provided on the upper and lower racks.

The dishwasher of the present invention includes a lower arm 6 provided inside the tub 11 to wash the object to be cleaned stored in the lower rack 193, an upper arm 7), and a top nozzle 8 positioned at the top of the tub 11 to spray washing water.

The lower arm 6 is rotatably fixed to the inside of the tub by an arm holder 17 fixed to the sump cover 15 and supplies wash water stored in the sump 13 through a water supply pump 18 and a water supply channel Receive.

The water supply channel may include a first channel 21 connecting the feed pump 18 and the arm holder 17 and a second channel 23 connecting the arm holder 17 and the top nozzle 8 . In this case, the upper arm 7 is preferably connected to the second flow path 23 through the second flow path connection pipe 71.

The washing water discharged from the sump 13 through the water feed pump 18 is supplied to the arm holder 17 through the first flow path 21 so that a part of the washing water supplied to the arm holder 17 is communicated with the arm holder 17 To the lower arm (6), and the remainder is moved along the second flow path (23).

A part of the washing water flowing into the second flow path 23 is supplied to the upper arm 7 through the second flow path connecting pipe 71 and the remaining part of the washing water flows toward the top nozzle 8. [

The upper arm 7 is located at an upper portion of the upper rack 191. The upper arm 7 is rotatably mounted on the second flow path connecting pipe 71 so as to be rotated by the repulsive force of the washing water when the washing water is sprayed Bonded.

The top nozzle 8 is provided at a position higher than the upper arm 7 (the upper surface of the tub 11). The top nozzle 8 receives the washing water from the second flow path 23, And the lower rack 193.

Furthermore, the dishwasher 100 of the present invention is provided on the tower nozzle 3 fixed to the lower rack 193 and extended in the direction of the upper rack 191 and the lower arm 6 so that the water pressure inside the lower arm 6 is reduced. According to the tower nozzle (3) includes a tower connection pipe 5 is provided with a detachable tower 51.

3 and 4, the tower nozzle 3 is detachable to the lower rack 193 through the rack fixing part 4, and the tower nozzle 3 is coupled to the rack fixing part 4 to the tower connection part. (5) may be provided to include a tower flow path 31 through which the washing water flows through, and a spray nozzle 33 for spraying the washing water supplied through the tower flow path 31.

The tower passage 31 is formed in a cylindrical shape with an upper surface and a lower surface opened. The spray nozzle 33 is coupled to an open upper surface of the tower passage 31, and a rack fixing part 4 .

In addition, the tower flow path 31 may be provided so as to decrease in diameter from the bottom to the top, so that the washing water introduced into the lower surface of the tower flow path 31 can move toward the upper surface while maintaining a constant water pressure. to be.

4, the injection nozzle 33 includes a connection pipe 331 coupled to an upper surface of the tower nozzle 3, and a cleaning liquid introduced into the injection nozzle 33 through the connection pipe is injected into the injection nozzle 33 And a plurality of ejection holes 333,

The connection pipe 331 connects the tower passage 31 and the injection nozzle 33 so that the injection nozzle 33 can be rotated and the injection hole 333 is formed by the repulsion force of the washing water discharged from the injection nozzle 33 So that the spray nozzle 33 can be rotated.

That is, the injection hole 333 is disposed in a spiral shape on the upper surface of the injection nozzle 33 to rotate the injection nozzle 33 clockwise or counterclockwise when the washing water is sprayed.

The rack fixing part 4 includes a rack fixing body 41 fixed to the lower rack 193 (see FIG. 3) to support the tower flow path 31.

The rack fixing body 41 may be provided with a fixed body through-hole 411 and the rack coupling portion 413 as shown in FIG.

The rack coupling portion 413 may be provided by the surface of the rack fixing body 41 is bent concave bent, as shown as a means for attaching and detaching the rack fixed body 41 to the lower rack (193), rack fixed body It may be provided with a hook protruding from the 41.

The fixed body through-hole 411 is provided to penetrate the rack fixed body 41, the fixed body through-hole 411 detachable pipe coupling portion is coupled to the removable pipe body 511 of the tower connection portion 5 to be described later ( 43 may be provided.

The detachable tube coupling part 43 is provided with a detachable tube receiving hole 431 into which the detachable tube body 511 is inserted, and the detachable tube body 511 is inserted into the detachable tube receiving hole 431. 511 and the tower channel 31 are connected to each other.

On the other hand, the dishwasher 100 of the present invention further includes a tower connection part 5 provided to be withdrawn from the lower arm 6.

The tower connection part 5 is drawn out from the lower arm 6 according to the pressure inside the detachable pipe chamber 67 to be described later, and is connected to the detachable pipe accommodation hole 431, and the tower connection part 5 receives the detachable pipe. When connected to the hole 431, the washing water is supplied to the tower flow path 31, which will be described later.

The tower connection part 5 may be provided as a tower attachment and detachment pipe 51 which is provided to be withdrawn from the detachable pipe chamber 67 of the lower arm 6, and an arm fixing body 53 fixed to the lower arm 6. Can be.

The tower detachable tube 51 may be provided with a cylindrical detachable tube body 511 having an upper surface and a lower surface opened, and a detachable tube flange 513 provided on an outer circumferential surface of the detachable tube body 511.

On the other hand, the removable pipe coupling portion 43 provided in the rack fixing portion 4 may be provided with an elastic material such as rubber to prevent leakage of the wash water supplied to the tower flow path (31).

That is, when the detachable tube body 511 is drawn out from the detachable tube chamber 67 by the water pressure inside the detachable tube chamber 67, the detachable tube body 511 is inserted into the detachable tube receiving hole 431. When the part 43 is provided with an elastic material, the detachable pipe receiving hole 431 and the detachable pipe body 511 are in close contact with each other, and the washing water in the tower flow passage 31 is detachable pipe receiving hole 431 and the detachable pipe body 511. Because it can prevent the discharge into the space between.

Furthermore, when the detachable pipe coupling part 43 is provided with an elastic material, even though the diameter of the detachable pipe body 511 is larger than the diameter of the detachable pipe receiving hole 431, the washing water inside the tower flow path 31 accommodates the detachable pipe. It is possible to prevent the discharge into the space between the hole 431 and the removable tube body 511.

The female fixing body 53 includes a through hole 531 through which the detachable tube body 511 penetrates. The diameter of the through hole 531 is equal to the outer circumferential surface diameter of the detachable tube body 511. It is provided smaller than the diameter of the removable pipe flange (513). This is to prevent the detachable tube body 511 from being pulled out of the lower arm 6.

The lower arm 6 provided in the present invention communicates with the arm holder 17 and communicates with the lower arm chamber 69 into which the washing water flows, the lower arm chamber 69, and the tower detachable tube 51 is accommodated therein. Detachable tube chamber 67, and the dark channel 61 in communication with the lower arm chamber (69).

5, the arm path 61 is formed by an upper frame 63 and a lower frame 65, and is communicated with the lower arm chamber 69 through a communication hole 657 with a canary oil.

6, the upper frame 63 is provided with an upper spray hole 631 for spraying washing water inside the oil path 61 into the lower rack 193, a frame through hole (not shown) for receiving the tower detachment pipe 51, (633), and a fixed body connection part (635) to which the arm fixing body (53) is coupled.

The lower frame 65 is provided with a communication hole 657 for connecting the lower arm chamber 69 and the oil passage 61 and a lower portion for discharging the wash water introduced into the oil passage 61 toward the sump cover 15 A chamber partition wall 653 which separates the lower arm chamber 69 and the attaching / detaching tube chamber 67 from the lower chamber chamber 69 and connects the lower arm chamber 69 to the attaching / detaching tube chamber 67; And a chamber communication hole 655.

The detachable tube chamber 67 is positioned between one dark channel communication hole 657 and the other channel channel communication hole 657, and the fixed body connection portion of the upper frame 63 on the surface of the lower frame 65 ( A wall extending towards 635.

Meanwhile, as shown in FIG. 5, the lower arm chamber 69 is provided to surround the communication hole 657 with a female flow path under the lower frame 65.

The lower arm chamber 69 is provided with an arm holder connecting tube 697 rotatably coupled to the arm holder 17 and an inlet hole through which the wash water flows into the lower arm chamber 69. 691, a lower gear engaging portion 695 provided on the bottom surface of the lower arm chamber 69, and an upper gear engaging portion 693 provided on the upper surface of the lower arm chamber 69.

The lower gear fitting part 695 is a means for rotating the flow path switching part 9 at a predetermined angle by being coupled to the lower gear 99 of the flow path switching part 9 to be described later. Can be.

The upper gear mating portion 693 is a means for rotating the flow path switching portion 9 by a certain angle by engaging with the upper gear 97 of the flow path switching portion 9. [

The upper gear mating portion 693 is provided on the upper surface of the lower arm chamber 69 and may be provided in a space between the detachment pipe chamber 67 and the oil channel communication hole 657. That is, the upper gear tooth portion 693 may be provided along the outer circumferential surface of the detachable tube chamber 67 in a space between the detachable tube chamber 67 and the female flow path communication hole 657.

On the other hand, the upper injection hole 631 provided in the upper frame is the upper portion of the washing water so that the lower arm (6) can be rotated around the arm holder connecting pipe (697) by the reaction force of the washing water discharged from the arm passage (61) It is preferable that the surface of the frame 63 is provided so as to be inclined at a predetermined angle (a) (see FIG. 6 (b)).

In addition, the lower part yarn hole 651 provided in the lower frame also has a lower washing water so that the lower arm 6 can be rotated about the arm holder connecting pipe 697 by the repelling force of the washing water discharged from the arm passage 61. It is preferable to be provided so as to be inclined with the surface of the frame 65 at a predetermined angle (b) (see Fig. 6 (b)).

Since the lower spray hole 651 injects the washing water toward the sump cover 15, it is possible to prevent the collection hole 151 of the sump cover from being clogged by the foreign material when the lower arm 6 rotates.

In the lower arm chamber 69, there is provided a channel switching portion 9 for alternately opening the chamber communication hole 655 and the channel-like communication hole 657 according to the pressure inside the lower arm chamber.

As shown in FIG. 7, the flow path switching unit 9 includes a switching unit body 91 positioned inside the lower arm chamber 69, and a chamber communication hole 655 provided to penetrate the switching unit body 91 And includes a chamber opening hole 93 for opening the chamber body 91 and an opening hole 95 for opening the communication hole 657 through the oil passage so as to pass through the switching body 91.

The switching unit body 91 may be provided in a disk shape in a configuration that reciprocates between the upper surface of the lower arm chamber from the bottom surface of the lower arm chamber 69 according to the water pressure in the lower arm chamber 69.

That is, when the water pressure inside the lower arm chamber 69 is high (when washing water is supplied to the lower arm chamber), the switching unit body 91 moves up and down from the bottom of the lower arm chamber 69 toward the upper surface of the lower arm chamber. If the water pressure inside the lower arm chamber is low (when washing water is not supplied to the lower arm chamber), the lower arm chamber is lowered from the upper surface of the lower arm chamber to the bottom surface of the lower arm chamber.

On the other hand, the outer peripheral surface of the switching unit body 91 may be further provided with a flange 92 for guiding the reciprocating motion of the switching unit body (91).

The flange 92 is provided to contact the inner circumferential surface of the lower arm chamber 69 to guide the reciprocation of the switch unit body 91 and to help the switch unit body 91 to remain horizontal during the reciprocation.

However, in order to prevent foreign matter from being caught between the flange 92 and the inner circumferential surface of the lower arm chamber 69, the flange 92 may further include a plurality of protrusions 921 or a plurality of grooves (not shown). .

Furthermore, the upper surface of the switching unit body 91 is provided with an upper gear 97 for coupling to the upper gear engaging portion 693 provided in the lower arm chamber 69, the lower surface of the switching unit body 91 A lower gear 99 is further provided to couple to the gear engagement portion 695.

The upper gear 97 is engaged with the upper gear mating portion 693 to rotate the switching portion body 91 clockwise (or counterclockwise). The lower gear 99 meshes with the lower gear mating portion 695 to rotate the switching unit body 91 clockwise (or counterclockwise).

The lower gear 99 and the lower gear engaging part 695 rotate the switching part body 91 in the same direction as the shifting part body rotates when the upper gear 97 and the upper gear engaging part 693 are coupled to each other. Let's do it.

The upper gear 97 and the upper gear mating portion 693 are coupled to each other to rotate the switching portion body 91 clockwise (or counterclockwise) by a predetermined angle. It is preferable that the lower gear mating portion 695 is formed to be coupled to each other to be capable of rotating the switching portion body 91 by a predetermined angle.

When the chamber communication hole 655 and the arm passage communication hole 657 provided in the lower arm 6 are provided to be spaced 90 degrees from each other as shown in FIG. 6, the chamber opening hole 93 and the arm passage opening hole are provided. Reference numeral 95 may be disposed on a straight line passing through the center of rotation C of the switching unit body 91.

In this case, the shape of the upper gear mating portion 693 and the upper gear 97 is such that when the upper gear mating portion 693 and the upper gear 97 mesh with each other, the switching portion body 91 rotates clockwise (or counterclockwise) 45 degrees so as to open any one of the chamber communication hole 655 and the milk communication hole 657. [

The shape of the lower gear mating portion 695 and the lower gear 99 is such that when the lower gear mating portion 695 and the lower gear 99 are engaged with each other, the switching portion body 91 rotates clockwise (or counterclockwise) It is preferable that it is rotated by 45 degrees.

The chamber opening hole 93 and the oil passage opening hole 95 are spaced apart from each other by 90 degrees with respect to the rotation center C of the switching portion body 91 and the chamber communication hole 655 and The communication hole 657 may be arranged in a straight line.

8 illustrates the movement of the flow path switching unit 9, when the water supply pump 18 does not operate and the washing water is not supplied to the lower arm chamber 69, the flow path switching unit 9 is the lower arm chamber 69. It is in contact with the bottom surface of (Fig. 8 (d)).

In this case, the tower detachable pipe 51 maintains a state of being seated in the detachable pipe chamber 67, so that the detachable pipe body 511 is not connected to the tower flow path 31.

When the water pump 18 is operated to supply the washing water to the arm holder 17 through the first flow path 21, the upper arm 7 and the top nozzle 8 receive the washing water through the second flow path 23 And the lower arm chamber 69 is supplied with the washing water through the arm holder 17.

When the wash water is supplied to the lower arm chamber 69, the flow path switching unit 9 moves toward the upper surface of the lower arm chamber 69 so that the upper gear 97 is coupled to the upper gear engaging portion 693 (FIG. 8). (a)).

When the upper gear 97 and the upper gear engaging portion 693 are coupled, the flow path switching portion 9 rotates 45 degrees clockwise (or counterclockwise) inside the lower arm chamber 69, so the chamber opening hole 93 is formed. Opens the chamber communication hole 655.

In this case, since the dark flow path communication hole 657 is maintained in the closed state by the switching unit body 91, the wash flow is not supplied to the dark flow path 61.

When the chamber communication hole 655 is opened by the chamber opening hole 93, the washing water in the lower arm chamber 69 flows into the detachable tube chamber 67 (see arrow), and the washing water is removed from the detachable tube chamber 67. When the inlet tower detachable pipe 51 is raised in the detachable pipe chamber 67 by the water pressure.

When the tower detachable pipe 51 rises inside the detachable pipe chamber 67, the detachable pipe body 511 is inserted into the detachable pipe receiving hole 431 of the rack fixing part 4, so that the washing water inside the detachable pipe chamber 67 is It may be supplied to the tower flow path (31).

On the other hand, when the water supply pump 18 temporarily stops the operation, since no washing water is supplied into the lower arm chamber 69, the flow path switching unit 9 moves toward the bottom of the lower arm chamber 69 (FIG. 8). (b)).

When the flow path switching part 9 moves toward the bottom surface of the lower arm chamber 69, the lower gear 99 is coupled to the lower gear fitting part 695, so that the flow path switching part 9 is clockwise (or counterclockwise). ) Will rotate 45 degrees.

Accordingly, the center of the chamber opening hole 93 and the center of the chamber communication hole 655 are spaced apart from each other by 45 degrees, and the center of the dark channel opening hole 95 and the center of the dark channel interlocking hole 657 are also different from each other. 45 degrees apart.

After the wash water is resupplied to the lower arm chamber 69 through the feed water pump 18, the flow path switching unit 9 moves toward the upper surface of the lower arm chamber 69, so that the upper gear 97 engages the upper gear. 669 (FIG. 8 (c)).

When the upper gear 97 and the upper gear engaging portion 693 are combined, the flow path switching portion 9 is rotated 45 degrees clockwise (or counterclockwise), so the female channel communication hole 657 is a female channel opening hole 95 Is opened by).

In this case, since the chamber communication hole 655 is kept closed by the switching unit body 91, the washing water is not supplied to the detachable tube chamber 67. If no wash water is supplied to the detachable tube chamber 67, the detachable tube body 511 is separated from the detachable tube coupling part 43 and descends toward the detachable tube chamber 67.

When the dark channel communication hole 657 is opened by the dark channel opening hole 95, the wash water inside the lower arm chamber 69 flows into the dark channel 61.

The washing water flowing into the inner oil path 61 is sprayed (see arrows) to the lower rack 193 and the sump cover 15 through the upper spray hole 631 and the lower spray hole 651, 6 rotate relative to the arm holder connector tube 697.

Since the water supply pump 18 temporarily stops operation, since no washing water is supplied into the lower arm chamber 69, the flow path switching unit 9 moves toward the bottom of the lower arm chamber 69 (FIG. 8 ( d)).

When the flow path switching part 9 moves toward the bottom surface of the lower arm chamber 69, the lower gear 99 is coupled to the lower gear fitting part 695, so that the flow path switching part 9 is clockwise (or counterclockwise). ) Will rotate 45 degrees.

Accordingly, the center of the chamber opening hole 93 and the center of the chamber communication hole 655 are spaced apart from each other by 45 degrees, and the center of the dark channel opening hole 95 and the center of the dark channel interlocking hole 657 are also different from each other. It will be 45 degrees apart.

9 and 10 show another embodiment of the tower nozzle 3 provided in the dishwasher of the present invention.

The tower nozzle 3 shown in FIG. 9 is characterized in that it can spray the washing water toward the lower rack 193 as well as the upper rack 191.

As described above, the tower nozzle 3 provided in the present invention includes a tower passage 31 and a spray nozzle 33 rotatably provided in the tower passage.

The spray nozzle 33 rotates with respect to the tower flow path 31 by the repulsive force of the washing water discharged through the spray hole 433 to spray the washing water to the upper rack.

On the other hand, the injection nozzle 33 is rotatably coupled to the tower flow path 31 through the connection pipe 331, there may be a certain tolerance (tolerance) between the tower flow path 31 and the connection pipe 331, Through the tolerance, the washing water inside the spray nozzle 33 may leak to the outside of the spray nozzle 33.

However, the present embodiment reduces the space (tolerance, etc.) formed between the connecting pipe 331 and the tower flow path 31 or discharges the washing water inside the injection nozzle 33 to the outside of the injection nozzle 33 through the sealing member. Rather than preventing the supply of washing water discharged through the coupling space of the connecting pipe 331 and the tower flow path 31 to the lower rack (193) is characterized in that the cleaning efficiency can be increased.

That is, it is difficult to exclude the tolerance formed between the connection pipe 331 and the tower flow path 31 is abnormally coupled to the tower flow path 31 through the connection pipe 331. Therefore, the present embodiment washes the washing water discharged from the spray nozzle 33 by uniformly supplying the washing water discharged through a space such as a tolerance formed between the connecting pipe 331 and the tower flow path 31 to the lower rack 193. It is used to improve efficiency.

Referring to FIG. 9, an embodiment of the tower nozzle 3 will be described. The tower nozzle 3 according to the present embodiment also has a tower flow path 31 for providing a moving passage for washing water and an injection nozzle for spraying the washing water ( 33).

The spray nozzle 33 is rotatably coupled to the tower flow path 31 through the connection pipe 331, the upper rack 191 to the washing water supplied from the tower flow path 31 through a plurality of injection holes (33) Spray on.

On the other hand, the injection nozzle 33 further includes a second injection hole 335 provided on the lower surface of the injection nozzle 33 in addition to the injection hole 333 disposed in a spiral shape on the upper surface of the injection nozzle 33. can do.

In this case, the second injection hole 335 may be provided to spray the washing water in a direction in contact with the rotational trajectory of the injection nozzle 33.

Furthermore, the tower nozzle 3 according to the present embodiment is provided between the connecting pipe 331 and the tower flow passage 31 to discharge the washing water to the lower portion of the spray nozzle 33 and the lower flow passage 35 and the tower flow passage 31. It may further include a downward injection guider (37) to be provided (spread, scattering) evenly provided to the lower rack (193) is provided in the lower injection flow path (35).

Since the connection pipe 331 is rotatably provided in the tower flow path 31, the downward injection flow path 35 may be provided by a tolerance formed between the connection pipe 331 and the tower flow path 31.

However, the lower injection flow path 35 may be provided as a separate flow path in a space between the connection pipe 331 and the tower flow path 31 so that a predetermined amount of washing water may be supplied to the lower rack 193.

That is, the downward injection flow path 35 may be provided as a separate flow path (through hole or bent groove, etc.) provided in the connection pipe 331 or the tower flow path 31, or the connection pipe 331 and the tower flow path ( 31) can be provided by the tolerance formed between.

On the other hand, if the lower injection flow path 35 is provided in the tower nozzle (3) can supply the washing water to the lower rack (193) to increase the washing efficiency to a certain level, but only the lower injection flow path 35 to the front of the lower rack (193) It may be difficult to supply the wash water evenly to the area.

The downward injection guider 37 is a means for solving such a problem, the downward injection guider 37 is provided in a ring shape along the outer circumferential surface of the tower flow path 31, the washing water discharged to the downward injection flow path lower rack A predetermined angle is provided so as to be evenly supplied to the 193.

That is, the downward injection guider 37 is preferably provided to be inclined at a predetermined angle toward the upper portion of the lower rack 193 on the outer circumferential surface of the tower flow passage 31 on the side parallel to the upper surface of the lower rack 193.

Therefore, some of the washing water supplied into the injection nozzle 33 through the tower flow path 31 is discharged to the outside of the injection nozzle 33 through the injection hole 333 and the second injection hole 335, the injection nozzle ( The remainder of the washing water supplied to 33 is discharged from the spray nozzle 33 through the downward injection passage 35.

On the other hand, since the washing water discharged from the injection nozzle 33 through the lower injection flow path 35 is scattered to the entire upper part of the lower rack (193) by the lower injection guider (37) to the object to be stored in the lower rack (193) It is possible to supply the washing water evenly.

FIG. 10 shows another embodiment of the tower nozzle 3, which is characterized in that the downward injection guider 39 is provided in an impeller shape.

The downward injection guider 39 according to the present embodiment includes a disk-shaped guider body 391, a flow passage hole 393 provided to penetrate the guider body, and a blade provided to have a spiral shape in the guider body 391 ( 395).

The tower passage 31 of the tower nozzle 3 is inserted into the passage through hole 393. In this case, a support portion 311 for supporting the lower surface of the guider body 391 is further provided on the outer circumferential surface of the tower passage 31. It may be provided.

Therefore, since the washing water discharged to the outside of the injection nozzle 33 through the downward injection passage 35 hits the blade 395 arranged in a spiral shape, the washing water to the outside of the injection nozzle 33 through the downward injection passage 35. When discharged, the guider body 391 rotates along the outer circumferential surface of the tower flow path 31.

When the guider body 391 rotates, the washing water discharged from the injection nozzle 33 through the downward injection passage 35 will be scattered farther because it is provided with a centrifugal force.

On the other hand, if the downward injection guider 39 is provided with only the above-described configuration, it is possible to scatter the washing water to a long distance from the tower flow passage 31, but a disadvantage may occur that the washing water is not supplied to a position adjacent to the tower flow passage 31. have.

In order to solve the above disadvantages, the downward injection guider 39 has a discharge hole 399 provided through the guider body 391 and an inclined surface 397 and a guider body 391 provided at the edge of the guider body 391. It may be provided to further include at least one of the bent groove (398) provided at the edge of.

The discharge hole 399 is a hole provided between one blade 395 and the other blade 395 to supply washing water to a position adjacent to the tower flow path 31.

That is, the discharge hole 399 is provided to penetrate through the guider body (391) so as to have a predetermined length toward the edge of the guider body (391) at the center of rotation of the guider body (391) (outer peripheral surface of the passage through hole) The washing water discharged from the downward injection passage 35 is supplied to a position adjacent to the tower passage 31 through the discharge hole 399.

The inclined surface 397 may be provided at an edge of the guider body 391 and may be inclined at a predetermined angle toward the top of the guider body 391. When the inclined surface 397 is provided, the washing water is farthest from the tower flow path 31. The wash water can be supplied to a distance.

On the other hand, the inclined surface 397 may be provided to be inclined toward the lower portion of the guider body 391, as shown in the figure, one inclined surface 397 is provided to be inclined toward the upper portion of the guider body 391 and the other One inclined surface 397 may be provided to be inclined toward the bottom of the guider body.

The bent groove 398 is provided by the edge of the guider body (3931) is concave bent toward the center of rotation of the guider body (391) through which the downward spray guider 39 is supplied with the washing water by the discharge hole (399) The washing water can be supplied to a space located between the region to be supplied and the region to which the washing water is supplied by the inclined surface 397.

On the other hand, the above-described tower nozzle 3 may be applied to a structure other than the dishwasher (FIGS. 1 and 100) supplied with the washing water through the flow path switching unit 9 and the tower connection unit 5. That is, the tower nozzle 3 disclosed in FIGS. 9 and 10 may also be applied to a dishwasher (not shown) in which the tower channel 31 is directly connected to the first channel 21.

The present invention may be practiced in various forms and is not limited to the above-described embodiment. Accordingly, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

100: dishwasher 1: cabinet 11: tub
13: Sump 15: Sump cover 16: Door
17: female holder 18: feed pump 191: upper rack
193: Lower rack 2: Water supply channel 3: Tower nozzle
31: Tower flow path 33: Injection nozzle 331: Connector
333: injection hole 35: downward injection path 37, 39: downward injection guider
391: guider body 393: euro through hole 395: blade
397: slope 398: bending groove 399: discharge hole
4: rack fixing 5: tower connection 6: lower arm
7: Upper arm 8: Top nozzle 9: Euro switching part

Claims (13)

A tub providing a cleaning space;
An upper rack provided inside the tub to accommodate a washing object;
A lower rack provided inside the tub to receive a washing object and provided below the upper rack;
Sump in which washing water is stored;
One end is fixed to the lower rack and the other end is a tower flow path extending toward the upper rack, the injection nozzle rotatably provided in the tower flow path for spraying the washing water supplied from the tower flow path to the upper rack, the injection A tower nozzle provided with a downward injection guider configured to discharge the washing water inside the nozzle toward the lower rack, and a downward injection guider for discharging the washing water discharged from the downward injection path to an upper portion of the lower arm;
And a feed water pump for supplying the wash water stored in the sump to the tower flow path. The method of claim 1,
The injection nozzle further includes a connection pipe coupled to the tower flow path to rotatably support the injection nozzle to the tower flow path, and a spray hole for supplying the washing water supplied through the tower flow path to the upper arm,
The downward spray passage is dishwasher, characterized in that provided in the coupling space of the connecting pipe and the tower passage. 3. The method of claim 2,
The downward injection path
And a groove provided in at least one of the connecting pipe and the tower flow passage to discharge the washing water inside the spray nozzle to the outside of the spray nozzle. The method of claim 1,
The downward injection guider
Located in the lower portion of the lower injection flow path, dishwasher, characterized in that provided in a ring shape along the outer peripheral surface of the tower flow path. 5. The method of claim 4,
The downward injection guider
The dishwasher, characterized in that the inclined at a predetermined angle toward the lower rack from the outer peripheral surface of the tower flow path. The method of claim 1,
The downward injection guider
A guider body having a passage through hole through which the tower passage passes;
And a blade provided toward the edge of the guider body at the center of rotation of the guider body and rotating the guider body by washing water discharged from the downward injection passage. The method according to claim 6,
The blade is provided with a plurality on the surface of the guider body,
And a plurality of blades are arranged spirally on the surface of the guider body. 8. The method of claim 7,
The downward injection guider
And a discharge hole positioned between one blade and the other blade and penetrating through the guider body. 9. The method of claim 8,
The discharge hole is
Dishwasher, characterized in that it is provided to have a predetermined length toward the edge of the guider body in the center of rotation of the guider body. 8. The method of claim 7,
The downward injection guider
And a bending groove positioned between one blade and the other blade, wherein an outer circumferential surface of the guider body is bent toward a rotation center of the guider body. 8. The method of claim 7,
The downward injection guider
And an inclined surface provided along an edge of the guider body, the inclined surface being inclined at a predetermined angle. The method of claim 1,
A lower arm provided at a lower portion of the lower rack to receive washing water through the feed water pump and to supply the lower rack;
And a tower connection part which is drawn out from the lower arm according to the water pressure inside the lower arm and is connected to the tower channel to supply the washing water to the tower channel when the lower arm is withdrawn. The method of claim 12,
The lower arm is
The lower arm chamber into which the washing water supplied from the feed water pump flows, the female oil channel communicating with the lower arm chamber through the female oil passage communicating hole, and the female oil spraying the washing water supplied through the female oil passage communicating hole to the lower arm. Is accommodated and provided separately from the lower arm chamber, and further comprising a removable tube chamber in communication with the lower arm chamber through a chamber communication hole,
The lower arm chamber of the dishwasher, characterized in that the flow path switching unit for selectively opening the dark channel communication hole and the chamber communication hole in accordance with the water pressure inside the lower arm chamber.
KR1020120103852A 2012-09-19 2012-09-19 Dishwashing machine KR20140037553A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
KR1020120103852A KR20140037553A (en) 2012-09-19 2012-09-19 Dishwashing machine
CN201310220385.8A CN103654666B (en) 2012-09-19 2013-06-05 Dish-washing machine
GB1507326.5A GB2522147B (en) 2012-09-19 2013-06-07 Dishwasher
GB1310177.9A GB2506227B (en) 2012-09-19 2013-06-07 Dishwasher
US13/917,740 US9867519B2 (en) 2012-09-19 2013-06-14 Dishwasher
FR1356211A FR2995521B1 (en) 2012-09-19 2013-06-27 DISHWASHER
AU2013222039A AU2013222039B2 (en) 2012-09-19 2013-09-02 Dishwashing machine
US14/019,584 US9173541B2 (en) 2012-09-19 2013-09-06 Dishwashing machine
BR102013023407-9A BR102013023407B1 (en) 2012-09-19 2013-09-12 dishwasher
DE102013218677.0A DE102013218677B4 (en) 2012-09-19 2013-09-18 dishwasher
EP13184984.6A EP2710945B1 (en) 2012-09-19 2013-09-18 Dishwashing machine
RU2013142627/12A RU2551758C1 (en) 2012-09-19 2013-09-18 Dishwasher
CN201310428509.1A CN103654669B (en) 2012-09-19 2013-09-18 Dish-washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120103852A KR20140037553A (en) 2012-09-19 2012-09-19 Dishwashing machine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020190073378A Division KR102105963B1 (en) 2019-06-20 2019-06-20 Dishwashing Machine

Publications (1)

Publication Number Publication Date
KR20140037553A true KR20140037553A (en) 2014-03-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120103852A KR20140037553A (en) 2012-09-19 2012-09-19 Dishwashing machine

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109984348A (en) * 2017-12-29 2019-07-09 宁波方太厨具有限公司 A kind of fruit-vegetable cleaner
US11819176B2 (en) 2020-02-12 2023-11-21 Samsung Electronics Co., Ltd. Dishwasher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109984348A (en) * 2017-12-29 2019-07-09 宁波方太厨具有限公司 A kind of fruit-vegetable cleaner
CN109984348B (en) * 2017-12-29 2024-01-12 宁波方太厨具有限公司 Fruit and vegetable cleaning machine
US11819176B2 (en) 2020-02-12 2023-11-21 Samsung Electronics Co., Ltd. Dishwasher

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