KR20190104700A - Dish Washer - Google Patents

Abstract

The present invention relates to a dishwasher. The dishwasher according to the present invention comprises: a cabinet having an outer shape and having one side opened; a door configured to open and close the opened front of the cabinet; a tub disposed inside the cabinet and forming a space for washing dishes; a dispenser disposed at one side of the door and supplying detergent into the tub; a spray arm having a height adjusted vertically and having a plurality of spray nozzles for spraying washing water into the tub; and a rack disposed at an upper side of the injection arm and forming a space in which a table ware is placed, wherein a dispenser spray nozzles spraying washing water to the inside of a dispenser are provided at each height section in which the spray arm is vertically adjusted in the spray nozzles.

Description

Dish Washer

The present invention relates to a dishwasher, and more particularly, to a dishwasher including a spray arm for spraying the washing water with a dispenser.

The dishwasher is a device for washing dishes disposed inside the tub using the washing water, and the dishwasher may remove dirt from the dishes using the washing water in which the washing detergent is dissolved.

Detergents used for washing dishes are temporarily stored in the dispenser. In this washing step, when the dispenser is opened to discharge the cleaning detergent therein into the tub, the dispenser may be dissolved in circulated washing water to wash the dishes. However, when using a powder-type cleaning detergent, even if the dispenser is opened, some of the detergent may remain inside the dispenser, and the remaining amount of the detergent in the dispenser does not dissolve an appropriate amount of detergent so that proper dish washing This may not happen.

Unlike in the case of the washing machine, since the dishwasher does not supply separate washing water into the dispenser, a detergent may frequently remain in the dispenser, and the remaining of the detergent may be a problem of contaminating the inside of the dispenser.

In addition, a tablet detergent may be used to wash the dishes placed inside the dishwasher. In the tablet detergent, the range in which the tablet detergent is dissolved varies depending on the stroke of dishwashing, and the tablet detergent can be washed and rinsed according to the stroke. If such tablet detergent is used, residual detergent may not remain in the dispenser, but if the tablet detergent falls to the bottom of the tub, depending on where the tablet detergent falls, the tablet detergent may be faster than the time required for each stroke or However, there is a problem that can be dissolved slowly so that proper dishwashing may not proceed.

The first problem to be solved by the present invention is to provide a dishwasher that can maintain the internal cleanness of the dispenser.

In order to solve the first problem, the dishwasher according to the present invention may be provided with a spray nozzle for spraying the washing water with a dispenser. However, in the case of the spray nozzle, since the direction in which the washing water is sprayed is fixed, a plurality of spray nozzles for spraying the washing water with the dispenser may be required in the spray arm whose height is adjusted up and down. In this case, the number of jet nozzles injected into the dish is reduced, resulting in a decrease in the dish washing efficiency disposed inside the tub. Accordingly, a second problem to be solved by the present invention is to provide a dishwasher having a washing ability to wash dishes by minimizing the number of injection nozzles injected into the dispenser.

In addition, in order to solve the first problem, even if provided with a spray nozzle for spraying the washing water to the dispenser, when the washing water sprayed toward the dispenser does not reach the inside of the dispenser by dishes placed on the rack, the first task is achieved. I can't do that. Accordingly, a third object of the present invention is to provide a dishwasher having a structure in which the washing water sprayed toward the dispenser is not disturbed by the dishes placed therein.

The fourth problem to be solved by the present invention is to provide a dishwasher that can make the dissolution rate of the tablet detergent constant when using a tablet detergent.

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

In order to achieve the first object to the second object, the dishwasher according to the present invention, the cabinet forming an outer shape, one side is opened; A door configured to open and close the opened front of the cabinet; A tub disposed inside the cabinet and forming a space for washing dishes; A dispenser disposed at one side of the door and supplying a detergent into the tub; And an injection arm having a height adjusted vertically and having a plurality of injection nozzles for spraying washing water into the tub. And a rack disposed on an upper side of the spray arm and forming a space in which a table is placed, wherein the dispenser sprays the washing water into the dispenser at each height section in which the spray arm is vertically adjusted. The injection nozzle is included, so that the washing water injected from the dispenser injection nozzle may be injected into the dispenser even when the height of the injection arm is adjusted.

Each of the injection nozzles includes a nozzle protrusion protruding upward from the injection arm; And a cutting surface formed at one side of the nozzle protrusion, and an inclined surface formed with a spray hole for spraying the washing water, and the washing water may be sprayed from the spray hole formed on the inclined surface.

The dispenser injection nozzle has a long hole-shaped injection hole formed in an up and down direction based on the inclined surface, and the plurality of injection nozzles excluding the dispenser injection nozzle are formed in a left and right direction based on the inclined surface. Since a spray hole of a ball shape is formed, the washing water sprayed from the dispenser spray nozzle may be sprayed widely in the vertical direction.

The size of the injection hole formed in the dispenser injection nozzle is the same as the size of the injection hole formed in the plurality of injection nozzles except for the dispenser injection nozzle, so that the injection pressure of the washing water between the dispenser injection nozzle and the other injection nozzles is formed to be the same. Can be.

In order to solve the third problem, when the washing water sprayed from the dispenser spray nozzle is supplied into the dispenser, the dish is placed in the rack so that the dishes are placed in a space other than the direction of the wash water sprayed from the dispenser spray nozzle. Including a further inner wire, it is possible to prevent the tableware is mounted in the range in which the washing water is injected into the dispenser.

The rack may include a plurality of first wires extending in the front-rear direction in which the door is disposed; A second wire disposed in a direction perpendicular to the plurality of first wires and intersecting the first wires; And an edge portion configured to further connect an upper end portion of the first wire and the second wire which is bent and extended upward, wherein the inner wire is one side of the first wire or the second wire formed on the bottom surface of the rack. Extending from the toward the edge portion, it is possible to prevent the tableware from being mounted in the range in which the washing water is sprayed to the dispenser.

The inner wire extends in a straight line toward the edge portion from one side of the first wire or the second wire, and an imaginary extension line extending along a shape in which the inner wire is formed is more than an upper end portion or an upper end portion of an opening formed in the dispenser. It is formed to face the high position, it is possible to prevent the dishes from being mounted in the range in which the washing water is sprayed into the dispenser.

The inner wire may include a vertical wire bent vertically upward from the first wire or the second wire formed on the bottom surface of the upper rack; And a horizontal wire that is bent forward from the end of the vertical wire and extends through the lower end of the vertical wire and the outer end of the horizontal wire. An imaginary extension line extends from the upper end or the upper end of the opening formed in the dispenser. It is formed to face a higher position, it is possible to prevent the dishes from being mounted in the range in which the washing water is sprayed into the dispenser.

The dispenser spray nozzle may be disposed under a portion where the inner wire is formed to prevent the dish from being placed in the range in which the washing water is injected into the dispenser.

In order to solve the fourth problem, further comprising a detergent basket detachably disposed on one side of the rack, when using a tablet detergent, it is possible to provide a space in which the tablet detergent can be properly dissolved.

The detergent basket has a basket shape of which one side is opened, and includes a fastening hook for fastening the detergent basket to one side of the rack, when using a tablet detergent, to provide a space in which the tablet detergent can be properly dissolved. have.

A plurality of opening holes are formed in the circumferential surface or the bottom surface of the detergent basket, and the washing water sprayed from the spray nozzle may flow into the detergent basket.

Dishwasher according to the present invention, the cabinet forms an outer shape, one side is opened; A door configured to open and close the opened front of the cabinet; A tub disposed inside the cabinet and forming a space for washing dishes; A dispenser disposed at one side of the door and supplying a detergent into the tub; An injection arm having a height adjusted up and down within the tub and spraying washing water into the tub; A plurality of dish spray nozzles disposed on an upper surface of the spray arm, each of which has a long side dish-shaped dish spray hole formed on the left and right sides to spray washing water toward the dish; And a dispenser injection nozzle disposed on an upper surface of the injection arm, the dispenser injection nozzle having an elongated long hole-type dispenser injection hole configured to spray washing water into the dispenser, even when the height of the injection arm is adjusted. Washing water may be sprayed into the dispenser.

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

According to the dishwasher of the present invention, there are one or more of the following effects.

First, the dishwasher according to the present invention includes an injection nozzle for spraying the washing water into the dispenser, thereby maintaining the cleanliness of the dispenser, and using the detergent in the dishwashing process.

Second, the dishwasher according to the present invention includes a single spray nozzle for spraying the washing water to the dispenser in the entire range of the height is adjusted in the spray arm is adjusted up and down, it is possible to maintain the number of jet nozzles sprayed into the dish have. Therefore, the inside of the dispenser can be cleaned, and at the same time, the dish washing performance mounted on the tub can be maintained at a predetermined level or more.

Third, the dishwasher according to the present invention, the inner wire is formed on the inside of the rack to prevent the washing water sprayed into the dispenser to interfere with the spray path by the dishes mounted on the rack, so that the amount or arrangement of dishes placed on the rack Regardless, the inside of the dispenser can be kept clean and dishwashing performance can be maintained.

Fourth, the dishwasher according to the present invention includes a detergent basket detachably disposed on one side of the rack. Therefore, in the case of using a tablet detergent, the detergent basket is separately attached to the rack, and the dissolution rate of the tablet detergent is also constant, thereby improving the performance of dish washing.

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

1 is a perspective view of a dishwasher with an open door according to one embodiment of the present invention.
2 is a schematic front cross-sectional view of the dishwasher according to one embodiment of the present invention.
3 is a view showing a dispenser according to an embodiment of the present invention.
4 is a plan view of the upper injection rock according to an embodiment of the present invention.
5A is a view illustrating a dish spray nozzle according to an exemplary embodiment of the present invention.
5B is a view illustrating a dispenser injection nozzle according to an embodiment of the present invention.
6A is a view for explaining the shape of the injection hole of the dish spray nozzle according to an embodiment of the present invention.
6B is a view for explaining the shape of the injection hole of the dispenser injection nozzle according to an embodiment of the present invention.
7A is a view for explaining the spraying range of the washing water sprayed from the dispenser spray nozzle according to an embodiment of the present invention.
7B is a view for explaining the spraying range of the washing water sprayed from the dish spray nozzle according to an embodiment of the present invention.
8A is a view for explaining the arrangement of the upper injection rock at the first height according to an embodiment of the present invention.
8B is a view for explaining the arrangement of the upper injection rock at the second height according to an embodiment of the present invention.
8C is a view for explaining the arrangement of the upper injection rock at the third height according to an embodiment of the present invention.
9A is a view for explaining an upper rack having inner wires according to an embodiment of the present invention.
9B is a view for explaining an upper rack having inner wires according to another embodiment of the present invention.
10 is a perspective view of a detergent basket according to an embodiment of the present invention.
FIG. 11 is a view illustrating a dish washer having a detergent basket according to an embodiment of the present invention. FIG.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

The expressions referring to the following directions, such as “before (F) / after (R) / left (Le) / right (Ri) / upper (U) / lower (D)”, are referred to below. 8a, 8b, 8c, 10, and 11, but defined as shown in the description so that the present invention can be clearly understood, and each direction may be defined differently depending on where the reference is placed. Of course.

In addition, the expression referring to the direction of "F (F ') / (R') / Left (Le '/ Right (Ri)", etc., shown in FIG. 4 may vary as the upper injection rock 100 is rotated. This is for the convenience of the invention and may also define each direction differently according to where the reference is placed.

In addition, the expression referring to the direction of "F" / after (R '') / left (Le '' / Right (Ri ''), etc. shown in Figure 6 is the inclination surface 114a, 114b) is set as a reference, which is also intended to explain the present invention clearly.

Hereinafter, a dishwasher according to embodiments of the present invention will be described with reference to the drawings.

<Components of the dishwasher>

1 is a perspective view of a dishwasher with an open door according to one embodiment of the present invention. 2 is a schematic front cross-sectional view of the dishwasher according to one embodiment of the present invention.

Hereinafter, the overall structure of the dishwasher according to the present embodiment will be described with reference to FIGS. 1 and 2.

The dishwasher 10 according to the present embodiment forms an appearance and is coupled to the cabinet 20 and the cabinet 20 in which the front side F is opened, and the door 22 and the cabinet 22 which open and close the inside of the cabinet 20. 20) a tub 24 installed inside and processing the tableware disposed therein. The cabinet 20 and the tub 24 have a form in which the front surface on which the door 22 is disposed is opened.

The dishwasher 10 according to the present embodiment may include a dispenser 120 for storing the detergent put by the user and injecting the detergent into the tub 24 in the washing step. The dispenser 120 may be disposed on the inner surface 22a of the door 22.

Cabinet 20 according to the present embodiment forms an outer shape, one side may be open.

The tub 24 forms a space in which the dishes are placed to wash the dishes. The tub 24 according to the present embodiment may form an air guide hole (not shown) at one side to reduce the pressure by discharging air to the outside when the pressure increases therein.

Dishwasher 10 according to the present embodiment is a rack (32, 140) for receiving the dishes in the tub 24, a spray module for spraying the washing water toward the dishes accommodated in the rack (32, 140) and the spray A sump 26 for supplying the washing water to the module and a washing pump 50 for pumping the washing water stored in the sump 26 into the injection module are included.

In the dishwasher 10 according to the present embodiment, the tubs 24 are provided with racks 32 and 140 in which washing objects such as dishes are accommodated. In this embodiment, the dishwasher 10 may include at least one or more racks 32 and 140. The racks 32 and 140 according to the present exemplary embodiment include a lower rack 32 disposed below the tub 24 and an upper rack 140 disposed above the lower rack 32.

The injection module according to the present embodiment may be disposed on the lower side of the rack, and may include an injection arm for spraying the washing water toward the dishes accommodated in the rack, and a supply pipe for supplying the washing water to the injection arm. In addition, the injection module may further include a top nozzle 34 for spraying the washing water toward the racks 32 and 140 disposed below the tub 24. The injection arm according to the present embodiment is disposed on the lower side (D) of the upper rack 140, the upper injection arm 100 for spraying the washing water toward the upper rack 140, and the washing water in the lower rack 32 direction It can be divided into a lower portion of the sandstone 38 to spray.

The dishwasher 10 according to the present embodiment may include at least one spray arm and a top nozzle 34. The dishwasher 10 according to the present exemplary embodiment includes a lower sandstone 38 and a washing object stored in the upper rack 140 provided in the tub 24 to wash the washing object stored in the lower rack 32. The upper injection arm 100 for washing, the top nozzle 34 is positioned on the top of the tub 24 for spraying the washing water.

The supply pipe according to the present embodiment supplies the washing water supplied from the washing pump 50 to the injection arms 38 and 100 and the top nozzle 34.

The supply pipe according to the present embodiment includes a lower supply pipe 42 for supplying the washing water to the lower sandstone 38, and an upper injection pipe 100 and the upper nozzle 34, and an upper supply pipe 44 for supplying the washing water. .

The upper supply pipe 44 according to the present embodiment supplies the washing water supplied to the washing pump 50 to the top nozzle 34. The dishwasher according to the present embodiment may further include a branch pipe 46 branched from the upper supply pipe 44 to supply the washing water to the upper injection arm 100. Branch pipe 46 according to the present embodiment is connected from one side of the upper supply pipe (44). Branch pipe 46 according to the present embodiment is connected to the upper supply pipe 44 to enable height adjustment. The branch pipe 46 according to the present embodiment is disposed below the upper rack 140.

The branch pipe 46 has a height spaced apart from the upper surface of the tub 24 together with the upper rack 140 and / or the upper injection arm 100 according to the type or amount of the dishes arranged on the upper rack 140. Can be adjusted. Branch pipe 46 according to the present embodiment is connected to the upper supply pipe 44 through the branch pipe connection 47.

Branch pipe 46 is connected to the upper supply pipe 44 and the height adjustable at one end. Branch pipe 46 according to this embodiment is capable of height adjustment in three stages.

The top nozzle 34 is disposed at a position higher than the upper rack 140. The top nozzle 34 is disposed above the tub 24. The top nozzle 34 receives the washing water from the upper supply pipe 44 and injects the washing water into the upper rack 140 and the lower rack 32.

The dishwasher 10 further includes a washing motor 52 driving the washing pump 50, and the washing motor 52 may be a BLDC motor capable of controlling the rotation speed. Since the washing motor 52 is a BLDC motor, a target revolution (revolution per minute) can be set. When the RPM of the BLDC motor is changed, the pumping force of the washing pump 50 is changed.

Dishwasher 10 according to this embodiment is connected to the water supply module 60, the sump 26 for supplying water to the sump 26 or the injection module, the drain module 62 for discharging the washing water to the outside, sump ( It may further include a filter module 70 installed in the 26) to filter the washing water and a washing water heating module 56 installed in the sump 26 to heat the washing water.

The dishwasher 10 according to the present embodiment includes a flow path switching unit 40 for supplying the washing water stored in the sump 26 to the upper supply pipe 44 and / or the lower supply pipe 42.

The flow path switching unit 40 according to the present embodiment may include a flow path switching motor (not shown) that generates rotational force and a rotating plate (not shown) that rotates by the flow path switching motor to control the flow of the washing water. The rotating plate according to the present embodiment may selectively open and close a plurality of connectors (not shown) formed where the plurality of supply pipes are branched. A plurality of switching holes (not shown) may be formed in the rotating plate. The rotating plate is rotated step by step by the flow path switching motor. When the rotating plate is rotated by the flow path switching motor, the plurality of switching holes formed in the rotating plate are positioned at a position corresponding to at least one of the plurality of connectors, and the washing water flowing from the washing pump 50 is provided with a plurality of injection arms 38 and 100. And toward the at least one of the top nozzles 34.

The washing water discharged from the sump 26 through the washing pump 50 moves to the flow path switching part 40 via the pump pipe 48. The flow path switching unit 40 may supply the washing water introduced into the sump to at least one tube of the plurality of injection arms 38 and 100 and the top nozzle 34.

The upper injection arm 100 may be located at the lower side D of the upper rack 140. The upper injection arm 100 is preferably rotatably coupled to the branch pipe 46 so as to be rotated by the repelling force of the washing water when spraying the washing water.

The water supply module 60 is configured to supply water to the sump 26 by receiving water from the outside, and opens and closes the water supply valve 65 to supply external water to the sump 36. In this embodiment, the water is supplied to the sump 26 via the filter module 70. The drainage module 62 is for discharging the wash water stored in the sump 26 to the outside, and is composed of a drainage pipe 64 and a drainage pump 66.

The filter module 70 is used to filter foreign substances such as food waste contained in the washing water, and is disposed on the flow path of the washing water flowing from the tub 24 to the sump 26.

To this end, the sump 26 may be formed with a filter mounting portion 72 in which the filter module 70 is installed, and a filter flow path connecting the filter mounting portion and the inside of the sump 26 may be disposed.

The dishwasher according to the present embodiment may include a water level detection unit for detecting the water level in the tub. The water level detecting unit according to the present exemplary embodiment includes a floater (not shown) mounted therein for detecting the water level in the tub 24, and a water level gimji sensor (not shown) that detects the level of the floater to detect the level. Can be.

The dishwasher according to the present embodiment may further include an input unit (not shown) for receiving a command from the user and a display unit (not shown) for displaying a progress state or displaying a notification to the user. The input unit may use a touch input method or a button input method, and the display unit may use a display or a warning lamp.

3 is a view showing a dispenser according to an embodiment of the present invention. 4 is a plan view of the upper injection rock according to an embodiment of the present invention. 5A is a view illustrating a dish spray nozzle according to an exemplary embodiment of the present invention. 5B is a view illustrating a dispenser injection nozzle according to an embodiment of the present invention. 6A is a view for explaining the shape of the injection hole of the dish spray nozzle according to an embodiment of the present invention. 6B is a view for explaining the shape of the injection hole of the dispenser injection nozzle according to an embodiment of the present invention. 7A is a view for explaining the spraying range of the washing water sprayed from the dispenser injection nozzle according to an embodiment of the present invention. 7B is a view for explaining the spraying range of the washing water sprayed from the dish spray nozzle according to an embodiment of the present invention. 8A is a view for explaining the arrangement of the upper injection rock at the first height according to an embodiment of the present invention. 8B is a view for explaining the arrangement of the upper injection rock at the second height according to an embodiment of the present invention. 8C is a view for explaining the arrangement of the upper injection rock at the third height according to an embodiment of the present invention. 9A is a view for explaining an upper rack having inner wires according to an embodiment of the present invention. 9B is a view for explaining an upper rack having inner wires according to another embodiment of the present invention.

Hereinafter, a dispenser, an injection arm, a rack, and a relationship between them according to an embodiment of the present invention will be described with reference to FIGS. 3 to 9B.

<Dispenser>

The dispenser 120 according to the present embodiment forms a space for temporarily storing the detergent. The dispenser 120 according to the present embodiment may be disposed on the inner surface 22a of the door 22. The dispenser 120 according to the present embodiment may be disposed above the upper injection arm 100.

The dispenser 120 may include a case 122 forming an appearance. The case 122 is disposed to protrude from the inner surface 22a of the door 22. A chamber 124 may be formed in the case 122 to be concave to temporarily accommodate a detergent. An opening 126 may be formed at one side of the case 122 so as to open in the tub 24 in the chamber 124.

The chamber 124 formed in the dispenser 120 may communicate with the inside of the tub 24 through the opening 126 opened in the tub 24. The dispenser 120 may further include a dispenser cover 128 that opens and closes the opening 126. The dispenser cover 128 may close the opening 126 in the preliminary washing step of removing dirt from the dish without detergent, and open the opening 126 in the main washing step of washing the dish using detergent.

When the dispenser cover 128 is opened, the detergent temporarily stored in the chamber 124 may be introduced into the tub 24 through the opening 126.

The space formed by the chamber 124 according to the present exemplary embodiment may be formed to be inclined downward toward the opening 126 in which the lower surface 134 is opened so that the detergent is easily discharged. The opening 126 according to the present exemplary embodiment may be formed to have a size such that the washing water injected from the injection arm whose position is changed up and down may flow into the chamber 124.

The dispenser 120 may further include a rinse supply unit 130 for selectively supplying a rinse to one side.

The rinse supply unit 130 according to the present embodiment may provide a space for temporarily storing the rinse therein, and may be opened so that the rinse is supplied into the tub 24 on one side. In addition, the rinse supply unit 130 may further include a rinse supply unit cover 132 for opening and closing the open portion.

Sandstone

The injection arms 38 and 100 according to the present exemplary embodiment include a plurality of injection nozzles 110 having injection holes 101a for spraying washing water into the tub 24. Hereinafter, the upper injection arm 100 according to the present embodiment will be described with reference to FIGS. 4 to 8C. However, the configuration and arrangement of the upper injection rock 100 described below may be applied to the lower portion sandstone 38.

The upper injection arm 100 according to the present embodiment includes a plurality of injection nozzles 110 having injection holes 116 through which washing water is injected. Referring to FIG. 4, the upper injection arm 100 according to the present embodiment includes 16 injection nozzles. Sixteen injection nozzles 100 may be arranged in the left direction Le 'and eight in the right direction Ri' based on the center of the upper injection arm 100, respectively. In addition, the sixteen injection nozzles 100 may be arranged in the front (F ') and eight in the rear (R') with respect to the center of the upper injection arm (100), respectively. Angles to which the injection holes formed in each of the sixteen injection nozzles face may be formed differently from each other.

The injection nozzle 110 according to the present embodiment is formed to protrude upward from the upper surface 102 of the upper injection arm 100. The injection nozzle 110 according to the present embodiment protrudes obliquely upward from the upper surface 102 of the upper injection arm 100. The spraying direction of the washing water sprayed from each of the plurality of spray nozzles 110 according to the present embodiment may be different from each other.

The upper injection arm 100 according to the present embodiment may be rotatably connected to the branch pipe 46. Therefore, when the washing water is injected from the plurality of spray nozzles 110 disposed on the upper injection arm 100, the upper injection arm 100 rotates to spray the washing water to various parts of the tableware disposed inside the tub 24. can do.

The injection holes 116 formed in each of the plurality of injection nozzles 110 according to the present embodiment are formed to spray washing water in different directions. Each of the plurality of injection nozzles 110 according to the present embodiment forms a cutting surface at one side of the nozzle protrusion 112 and the nozzle protrusion 112 protruding upward from the upper injection arm, and the injection hole 116 to which the washing water is sprayed. It includes a formed inclined surface 114.

The nozzle protrusion 112 according to the present exemplary embodiment protrudes upward from the upper surface 102 of the upper injection arm 100. The nozzle protrusion 112 according to the present exemplary embodiment protrudes in a substantially hemispherical shape, and a cutting surface is formed to form an inclined surface 114 at an upper side thereof.

In the spray nozzle 110 according to the present embodiment, the washing water may be sprayed in a direction toward the inclined surface 114. The injection hole 116 according to the present embodiment is formed substantially perpendicular to the inclined surface 114.

The inclined surface 114 according to the present embodiment may form a surface substantially perpendicular to the direction in which the washing water is sprayed. The inclined surface 114 according to the present embodiment is formed on one side of the nozzle protrusion 112. Directions in which the inclined surfaces formed in each of the plurality of injection nozzles 110 face may be different from each other.

The injection holes 116 formed on the inclined surfaces 114 of the plurality of injection nozzles 110 according to the present exemplary embodiment may have an elliptical shape. The injection holes 116 formed on the inclined surfaces 114 of the plurality of injection nozzles 110 according to the present exemplary embodiment may have a long hole shape formed to extend in both directions. The injection holes 116 formed in the plurality of injection nozzles 110 according to the present exemplary embodiment may have a vertical direction (U ''-D '', see FIG. 6) or a left-right direction (Le ') with respect to the inclined surface 114. '-Ri', see FIG. 6), may have an elongated shape. The injection hole 116 of the long hole shape according to the present embodiment increases the injection range of the washing water.

The plurality of spray nozzles 110 according to the present embodiment are dispenser spray nozzles 102 for spraying the washing water toward the opening 126 of the dispenser, and dish spraying for spraying the washing water toward the dishes placed on the upper rack 140. Nozzle 104.

The injection nozzle 110 according to the present embodiment includes an outer injection nozzle 106 disposed at an outer end of the upper injection arm. The outer spray nozzle 106 according to the present embodiment may constitute a part of the dish spray nozzle 104. The dispenser spray nozzle 110a according to the present embodiment is distinguished from the outer spray nozzle 110c. The outer injection nozzle 110c may be formed in a very short or overlapping range with the dispenser 120, and may not easily spray the washing water into the opening 126. The dispenser spray nozzle 110a according to the present embodiment is disposed inside the outer spray nozzle 110c.

Referring to FIG. 5A, the dish spray nozzle 110b according to the present embodiment protrudes upward from the upper spray arm and has a nozzle protrusion 112b and an upper portion of the nozzle protrusion 112b, each having a spray hole through which washing water is sprayed. In the direction in which the washing water is sprayed at, and includes a slope 114b having a dish spray hole 116b formed at the center thereof. The dish ejection hole 116b formed in the dish ejection nozzle 110b has a long hole shape formed with a long left and right width with respect to the inclined surface 114b.

Referring to FIG. 5B, the dispenser injection nozzle 110a according to the present embodiment protrudes upward from the upper injection arm, and has a nozzle protrusion 112a and a nozzle protrusion 112a having a spray hole for spraying washing water thereon. In the washing water is sprayed to form a substantially vertical surface, and the dispenser injection hole 116a in the center includes an inclined surface (114a). The dispenser injection hole 116a formed in the dispenser injection nozzle 110a has a long hole shape having a long upper and lower width with respect to the inclined surface 114a.

The dispenser injection nozzle 102 according to the present embodiment is formed with a dispenser injection hole 116a which is widely sprayed in the vertical direction. The dispenser injection hole 116a according to the present exemplary embodiment may have a long hole shape formed long in the vertical direction.

The area formed by the dispenser injection hole 116a and the dish injection hole 116b is formed substantially the same. However, the dish-injection hole 116b has a long hole shape having a long left and right width with respect to the inclined surface 114, and the dispenser injection hole 116a is in the up-and-down direction based on the inclined surface 114. It may have a long hole shape.

Referring to FIG. 6A, the dish injection hole 116b according to the present embodiment is formed to have a long length in the left and right directions Ri ''-Le '' so as to be sprayed in a wide range toward the tableware mounted on the upper rack 140. It may have a shaped shape. Referring to FIG. 6B, the dispenser injection hole 116a according to the present exemplary embodiment has an inclined surface such that the washing water sprayed from the upper injection arm 100 whose height is adjusted in the vertical direction is injected into the opening 126 of the dispenser 120. Based on (114), it may have a long hole shape formed long in the vertical direction (U ''-D '').

In the dispenser injection nozzle 110a according to the present embodiment, the dispenser injection holes 116a formed vertically long are sprayed with the sprayed washing water in the vertical direction. 7A and 7B, the range in which the dispenser spray nozzle 110a is sprayed in the vertical direction is wider than the range in which the dish spray nozzle 110b is sprayed in the vertical direction. The range in which the dispenser spray nozzle 110a is sprayed in the vertical direction may be formed to be twice or more larger than the range in which the dish spray nozzle 110b is sprayed in the vertical direction.

The upper injection arm 100 according to the present embodiment may be changed in position up and down (U-D). The upper injection arm 100 according to the present embodiment is capable of height adjustment up and down (U-D). In the upper injection arm 100 according to the present embodiment, as the branch pipe 46 connected to the upper supply pipe 44 so as to be height-adjustable moves up and down, the height can be adjusted up and down (U-D). As the position of the upper injection arm 100 according to the present embodiment is changed according to the height adjustment, a distance spaced from the dispenser 120 may be formed differently.

The upper injection arm 100 according to the present embodiment may move up and down inside the tub 24 together with the upper rack 140 disposed on the upper side.

8A to 8C, the upper injection arm 100 according to the present embodiment may adjust the height in three steps. As the height of the upper injection arm 100 according to the present exemplary embodiment is adjusted in three stages, the distance from the dispenser 120 may vary in three stages.

8A to 8C, the upper injection arm 100 according to the present exemplary embodiment includes a first height H1 positioned at the closest distance to the dispenser 120 and an agent positioned at a distance farthest from the dispenser 120. Height adjustment is possible in three stages of the second height H2 and the third height H3 located at the distance between the first height H1 and the second height H2. The upper injection arm 100 according to the present embodiment has a dispenser injection nozzle 102 for spraying the washing water into the opening of the dispenser 120 at each of the first height H1, the second height H2, and the third height H3. ) Can be installed.

The upper injection arm 100 according to the present embodiment moves in the order of the first height H1, the third height H3, and the second height H2, and the distance from the dispenser 120 increases.

Since the dispenser spray nozzle 102 according to the present embodiment is formed with a large spraying range up and down, the first height H1, the second height H2, and the third height H3 of the upper injection arm 100. At any one of heights, the washing water may be injected into the opening 126 of the dispenser 120.

<Upper rack>

The dishwasher 10 according to the present embodiment is disposed in a space inside the tub 24 and includes a rack on which the dishes are placed. In the dishwasher 10 according to the present exemplary embodiment, the upper rack 140 disposed on the upper side U of the inner space of the tub 24 and the lower rack 32 disposed on the lower side D of the inner space of the tub 24 are provided. ).

Hereinafter, with reference to FIGS. 9A to 9B, the structure and arrangement of the upper rack 140 disposed above the upper injection arm 100 according to the present embodiment will be described. However, the configuration and form of the upper rack described below may be applied to the configuration and form of the lower rack.

The upper rack 140 according to the present embodiment is disposed above the upper injection arm 100. The upper rack 140 according to the present embodiment may be spaced apart at a rearward from the opening 126 of the dispenser 120.

The upper rack 140 according to the present embodiment may have a basket form in which a plurality of dishes can be mounted. The upper rack 140 according to the present embodiment may be composed of a plurality of wires to pass through the washing water sprayed from the upper injection arm 100 disposed on the lower side.

The upper rack 140 according to the present embodiment includes a plurality of first wires 142 extending in the front and rear directions in which the door 22 is disposed, and a plurality of second wires extending in the left and right directions of the inner space of the tub 24. 144. In the upper rack 140 according to the present embodiment, a plurality of first wires 142 and a plurality of second wires 144 may cross each other to form a basket shape.

Some of the plurality of first wires 142 and the plurality of second wires 144 according to the present exemplary embodiment may be bent at both ends to extend upward. The remaining part of the plurality of first wires 142 and the plurality of second wires 144 according to the present exemplary embodiment may not be bent upwards, but may be formed only on the bottom surface.

The upper end of the upper rack 140 further includes an edge portion 146 connecting the upper end of the first wire 142 and the second wire 144 extending upward. The edge portion 146 according to the present embodiment connects and fixes the upper ends of the plurality of first wires 142 and the plurality of second wires 144.

The upper rack 140 according to the present embodiment includes an inner wire 148 to prevent the dishes from being placed in the direction of the washing water sprayed from the dispenser spray nozzle 110a. In the upper rack 140 according to the present embodiment, when the washing water sprayed from the dispenser spray nozzle 110a is supplied into the dispenser 120, the dishes are placed in a space other than the direction of the washing water sprayed from the dispenser spray nozzle 110a. It includes an inner wire 148 disposed inwardly of the upper rack 140 to be mounted.

The inner wire 148 according to the present embodiment is disposed at the front side of the upper rack 140. The inner wire 148 may prevent the dishes from being placed in the direction of the washing water sprayed from the dispenser spray nozzle 110a. The inner wire 148 is disposed in the inner direction of the upper rack 140 formed in the shape of a basket.

Referring to FIG. 9A, the inner wire 148 according to the exemplary embodiment of the present invention is disposed in the front at a predetermined distance from the front end of the portion forming the bottom surface of the upper rack 140 to the rear R. It may be disposed to extend toward the edge portion 146.

The portion of the inner wire 148 starting from the first wire 142 or the second wire 144 may be an upper side of the dispenser injection nozzle 110a. The dispenser spray nozzle 110a according to the present embodiment may be disposed below the inner wire 148.

The inner wire 148 may form an inclination angle so as to extend toward the edge portion 146 from the upper side of the dispenser injection nozzle 110a. The imaginary extension line X1-X1 ′ extending from the inner wire 148 according to the present embodiment has an opening of the dispenser 120 at a position spaced apart from the dispenser 120 by the upper injection arm 100 at the maximum distance. It may be formed to face the position of the top or higher than the top. The imaginary extension line X1-X1 ′ extending from the inner wire 148 according to the present embodiment is approximately the dispenser at the position of the second height H2 at which the upper injection arm 100 is spaced apart from the dispenser 120. It may be formed to face the position of the top or the top of the opening of the 120.

Referring to FIG. 9B, the inner wire 148 ′ according to another embodiment of the present invention may be disposed to extend upward from a position spaced at a predetermined distance from the front to the inner side of the portion forming the bottom surface of the upper rack 140. have.

The inner wire 148 ′ according to the present exemplary embodiment includes a vertical wire 148a extending vertically bent upwardly from the first wire 142 or the second wire 144 formed on the bottom surface of the upper rack 140. It may include a horizontal wire 148b which is bent forward from the end of the vertical wire 148a.

The lower end portion of the vertical wire 148a of the inner wire 148 'and the imaginary extension line X2-X2' extending while passing through the outer end of the horizontal wire 148b are upper injection arms ( 100 may be formed to face toward an upper end of the opening of the dispenser 120 at a position spaced most apart from the dispenser 120. The vertical wire 148a may be formed on the dispenser injection nozzle 110a. The dispenser spray nozzle 110a according to the present embodiment may be disposed below the inner wire 148 '.

<Detergent basket>

10 is a perspective view of a detergent basket according to an embodiment of the present invention. FIG. 11 is a view illustrating a dish washer having a detergent basket according to an embodiment of the present invention. FIG.

Hereinafter, the detergent basket 160 according to the present embodiment will be described with reference to FIGS. 10 to 11.

The dishwasher 10 according to the present embodiment may further include a detergent basket 160 accommodating the tablet detergent and detachably disposed at one side of the rack.

Detergent basket 160 according to the present embodiment has a hollow inside, the upper side is in the form of a basket open. The detergent basket 160 according to the present embodiment has a basket shape of which one surface is opened to accommodate a tablet detergent or the like. In the detergent basket 160 according to the present embodiment, a plurality of opening holes 168 are formed in the circumferential surface 162 and the lower surface 164 so that the washing water injected into the injection arms 38 and 100 may be introduced therein. Is formed.

Detergent basket 160 according to the present embodiment may have a hollow pillar, the upper side (U) of the open rectangular shape. However, the detergent basket 160 may have a cylindrical shape or a polygonal shape in a range in which the tablet detergent may be accommodated.

The detergent basket 160 according to the present embodiment may be formed of a circumferential surface and a lower surface. Detergent basket 160 according to the present embodiment is introduced into the wash water splashed inside the tub 24 on both sides 162b and the rear 162c except for the front 162a disposed to face the door 22 of the circumferential surface In order to be able, the plurality of opening holes 168 may be formed. In the detergent basket 160 according to the present embodiment, a plurality of opening holes 168 may be formed on the lower surface 164.

The detergent basket 160 according to the present embodiment further includes a fastening hook 166 for fastening the detergent basket 160 to one side of the racks 32 and 140. The fastening hook 166 according to the present embodiment may protrude from the rear surface 162c of the detergent basket 160 to the rear side R. The fastening hook 166 according to the present embodiment may protrude from the rear surface 162c of the detergent basket 160 and may have a downwardly curved shape (D) at the rear end thereof.

The detergent basket 160 according to the present embodiment may be fastened to one side of the racks 32 and 140 by the fastening hook 166. Referring to FIG. 11, the detergent basket 160 according to the present embodiment may be fastened to the front of the edge portion 146 of the upper rack 140.

Although the above has been illustrated and described with respect to preferred embodiments of the present invention, the present invention is not limited to the specific embodiments described above, but in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

10: dishwasher 20: cabinet
22: door 24: tub
100: upper injection rock 110: injection nozzle
112: nozzle projection 114: inclined surface
116: injection hole 110a: dispenser injection nozzle
116a: dispenser injection hole 110b: tableware injection nozzle
120: dispenser 122: case
126: opening 140: upper rack
142: first wire 144: second wire
148: inner wire 160: detergent basket

Claims (14)

A cabinet having an outer shape and having one side opened;
A door configured to open and close the opened front of the cabinet;
A tub disposed inside the cabinet and forming a space for washing dishes;
A dispenser disposed at one side of the door and supplying a detergent into the tub; And
An injection arm having a height adjusted vertically and having a plurality of injection nozzles configured to spray washing water into the tub; And
It is disposed on the upper side of the injection arm, and comprises a rack to form a space in which the tableware,
The dishwasher of the plurality of spray nozzles comprises a dispenser spray nozzle for spraying the washing water into the dispenser in each of the height section of the injection arm is adjusted up and down. The method of claim 1,
Each of the injection nozzles,
A nozzle protrusion protruding upward from the injection arm; And
Forming a cutting surface on one side of the nozzle projection, the dishwasher comprising a slope formed with a spray hole for spraying the washing water. The method of claim 2,
The dispenser spray nozzle is a dishwasher having a long hole-shaped injection hole formed in the vertical direction, based on the inclined surface. The method of claim 3, wherein
A plurality of jet nozzles other than the dispenser jet nozzle, the dishwasher is formed with a long injection hole formed in the left and right direction based on the inclined surface. The method of claim 4, wherein
The size of the injection hole formed in the dispenser injection nozzle is the same size as the size of the injection hole formed in the plurality of injection nozzles except the dispenser injection nozzle. The method of claim 1,
The dishwasher further includes an inner wire disposed inside the rack such that when the washing water sprayed from the dispenser spray nozzle is supplied into the dispenser, the dish is placed in a space other than the direction of the washing water sprayed from the dispenser spray nozzle. . The method of claim 6,
The rack is
A plurality of first wires extending in the front-rear direction in which the door is disposed;
A second wire disposed in a direction perpendicular to the plurality of first wires and intersecting the first wires; And
It includes an edge portion for further connecting the upper end of the first wire and the second wire is bent upwardly,
The inner wire extends toward the edge portion from one side of the first wire or the second wire formed on the bottom surface of the rack. The method of claim 7, wherein
The inner wire extends in a straight line toward the edge portion from one side of the first wire or the second wire,
And a virtual extension line extending along the inner wire is formed to face a position higher than the upper end or the upper end of the opening formed in the dispenser. The method of claim 7, wherein
The inner wire is,
Vertical wires which are bent vertically upward from the first wire or the second wire formed on the bottom surface of the upper rack;
It includes a horizontal wire that is bent forward extending from the end of the vertical wire,
And a virtual extension line extending from the lower end of the vertical wire and the outer end of the horizontal wire to face a position higher than the upper end or the upper end of the opening formed in the dispenser. The method of claim 6,
The dispenser spray nozzle is disposed below the portion where the inner wire is formed. The method of claim 1,
Dishwasher further comprises a detergent basket detachably disposed on one side of the rack. The method of claim 11,
The detergent basket has a basket shape of which one side is opened, the dishwasher including a fastening hook for fastening the detergent basket to one side of the rack. The method of claim 11,
A dishwasher having a plurality of opening holes formed on the circumferential surface or the bottom surface of the detergent basket. A cabinet having an outer shape and having one side opened;
A door configured to open and close the opened front of the cabinet;
A tub disposed inside the cabinet and forming a space for washing dishes;
A dispenser disposed at one side of the door and supplying a detergent into the tub;
An injection arm having a height adjusted up and down within the tub and spraying washing water into the tub;
A plurality of dish spray nozzles disposed on an upper surface of the spray arm, each of which has a long side dish-shaped dish spray hole formed on the left and right sides to spray washing water toward the dish; And
And a dispenser spray nozzle disposed on an upper surface of the spray arm, the dispenser spray nozzle having a long vertical dispenser spray hole formed up and down to spray washing water into the dispenser.

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