KR20100037462A - Washing machine - Google Patents

Abstract

PURPOSE: A dish washer is provided to evenly wet both sides of dishes with washing water through nozzle holes arranged at different heights. CONSTITUTION: A dish washer comprises a rack, a sump, and a washing nozzle(30). The rack is arranged inside a washing tub to receive dishes to be washed. The sump is arranged under the washing tub so that washing water is collected in the sump. The washing nozzle is attached to the side of the washing tub and has nozzle holes(32a) through which the washing water provided from the sump is discharged toward the rack. The height of each nozzle hole differs from that of the adjacent one, and at least one of the nozzle holes is arranged below the rack.

Description

Dishwasher {Washing machine}

The present invention relates to a dishwasher, and more particularly, the washing water is sprayed in several directions, so that the dishes evenly wet, and relates to a dishwasher that can improve the washing power.

In general, a dishwasher is a device that cleans contaminants such as food waste on dishware or cooking utensils (hereinafter, referred to as 'dishware') using detergent and washing water.

The dishwasher includes a main body including a washing tank, a door for opening and closing the opening of the main body, a rack assembly disposed inside the washing tank for storing dishes, and a sump disposed under the washing tank for storing the washing water. And a washing pump for pumping the washing water stored in the sump, and spray nozzles for spraying the washing water pumped from the washing pump into the washing tank. The spray nozzles include an upper nozzle disposed above the washing tank, and a lower nozzle disposed below the washing tank.

In the case of the upper nozzle and the lower nozzle as described above, since all are sprayed upward, there is a problem that the bottom surface of the dishes placed on the rack assembly is not well cleaned.

Korean Patent No. 10-0567509 discloses a dishwasher comprising a rotating washing nozzle having a plurality of cleaning nozzles provided below a cleaning tank, and a fixed cleaning nozzle provided on a side wall of the cleaning tank. The fixed cleaning nozzle comprises a vertical portion and a horizontal portion disposed at right angles to the vertical portion. The horizontal portion is provided on both the left and right sides of the vertical portion, and is formed so that each formed height position is different according to the height position of the dish basket. In the horizontal portion, a washing water injection hole is formed to spray upward toward the lower surface of the object to be cleaned. The vertical portion is provided with a washing water injection port for spraying the washing water in a fan shape toward the horizontal direction.

However, in the above known technique, since the washing water is sprayed upward from the washing spray port of the horizontal part, there is a problem that sufficient washing water is not wetted to the outer surface of the tableware disposed above the horizontal part. In addition, although the vertical portion is sprayed from the cleaning injection port, since the vertical portion is disposed in the center of the washing tank, there is a problem that sufficient washing water is not soaked in the tableware placed away from the vertical portion.

That is, in the above-described prior art and known art, there is a problem in that a blind spot in which the washing water is not sufficiently wetted is generated.

It is an object of the present invention to provide a dishwasher capable of minimizing blind spots in which sufficient wash water is not wetted.

The dishwasher according to the present invention is disposed inside the washing tank, the rack in which the dishes are stored, a sump disposed under the washing tank to collect the washing water, and disposed on the side of the washing tank, and the washing water supplied from the sump is A cleaning nozzle having a plurality of nozzles for spraying toward the rack, wherein the plurality of nozzles are arranged in different heights of the neighboring nozzles, at least one nozzle is disposed below the rack.

In the present invention, the plurality of injection holes may be formed such that the opening direction is directed to different directions to inject the washing water in different directions.

In the present invention, at least one of the plurality of injection holes may be disposed above the rack.

In the present invention, the washing nozzle is disposed in the vertical direction, the vertical portion receiving the washing water from the sump, and protruded and bent laterally from the vertical portion, the plurality of injection holes may be formed.

In the present invention, a plurality of the bent portion may be made of a different amplitude of the bend.

In the present invention, the bent portion may be formed to be point-symmetrical around the intersection with the vertical portion.

In the present invention, the washing nozzle is disposed in the vertical direction, the vertical portion receiving the washing water from the sump, and protruded in a direction inclined a predetermined angle from the vertical portion, the plurality of injection holes may be formed.

In the present invention, the washing nozzle may include a vertical portion disposed in the vertical direction and receiving the washing water from the sump, and horizontally formed in the vertical portion, and a plurality of horizontal portions in which the plurality of injection holes are formed.

In the present invention, the plurality of horizontal parts may include: an upper horizontal part protruding from the upper end of the vertical part in a left and right direction; a left horizontal part disposed below the upper horizontal part and protruding in a left direction; It may include a right horizontal portion which is spaced apart a predetermined interval in the vertical direction and protruded in the right direction.

The dishwasher according to the present invention includes a washing nozzle in which a plurality of injection holes are formed, and the plurality of injection holes are disposed at different heights of neighboring injection holes, so that the washing direction and the injection height of the washing water vary. Regardless of the height, both inside and outside of the tableware can be evenly wetted by the washing water. Therefore, the blind spot where the washing water is not wetted is minimized, and the phenomenon that dirt is left in the tableware is prevented, so that the washing power may be improved.

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

1 is a front sectional view showing the inside of a dish washer according to a first embodiment of the present invention, FIG. 2 is a front view of the washing nozzle shown in FIG. 1, and FIG. 3 is an opening of the first jet nozzles shown in FIG. 2. The direction is an enlarged view.

Referring to FIG. 1, the dishwasher according to the first embodiment of the present invention includes a main body 2 having an opening through which washing products such as dishes are inserted, and disposed inside the main body 2 to wash the dishes. A washing tank 4 forming a space to be formed therein, a rack assembly disposed inside the washing tank 4 to receive the dishes, and a sump 6 disposed on the bottom surface of the washing tank 4 to collect the washing water; , Washing nozzles 20 and 30 for spraying the washing water of the sump 6 into the washing tank 4.

The rack assembly is installed to be withdrawn from the washing tank (4). The rack assembly may be provided in plurality. Hereinafter, in the present embodiment, the rack assembly is composed of the upper rack 10 and the lower rack 12. Bars of various sizes mounted on the lower rack 12 may be bar-shaped so that the upper rack 10 may be stepped so that interference does not occur in the sizes of various dishes.

In addition, the dishwasher is disposed on one side of the sump (6), the washing pump (8) for pumping the washing water in the sump (6), and a washing motor (not shown) for driving the washing pump (8) It includes more.

In addition, the dishwasher further includes a drainage device 9 disposed on the other side of the sump 6 to discharge the washing water stored in the sump 6 to the outside. The drainage device 9 includes a drain pump for pumping the washing water and a drain motor for driving the drain pump.

On the other hand, the washing nozzles 20 and 30 are rotating washing nozzles 20 rotatably disposed below the washing tank 4, and fixed washing nozzles 30 fixedly disposed on the rear surface of the washing tank 4, respectively. ).

1 and 2, the fixed washing nozzle 30 is vertically disposed and protrudes laterally from the vertical portion 31 and the vertical portion 31 receiving the washing water from the sump 6. And a bent portion 32 formed by bending.

The lower end of the vertical portion 31 may be connected to the sump (6) side. The vertical portion 31 and the bent portion 32, 33 may be formed in communication with each other.

At least one of the vertical portion 31 and the curved portions 32 and 33 is provided with a plurality of injection holes for spraying the washing water supplied from the sump 6. Hereinafter, the plurality of injection holes will be described as formed in the bends 32 and 33.

The curved portions 32 and 33 may be configured in plural numbers. Hereinafter, the curved portions 32 and 33 will be described as being limited to two. That is, the bends 32 and 33 may include a first bent part 32 arranged in the left and right direction at an upper end of the vertical part 31 and a second bent part disposed below the first bent part 32. 33).

The first bent part 32 and the second bent part 33 are each formed in a point symmetrical shape at the intersection of the vertical part 31. For example, the first bent part 32 and the second bent part 33 may have a concave left side and a convex right side with respect to the vertical part 31.

The first curved portion 32 and the second curved portion 33 may have different amplitudes of the respective curved portions. Hereinafter, the amplitude of the bending of the first bend 32 is formed to be smaller than the amplitude of the bending of the second bend 32, for example.

In addition, the first bend portion 32 and the second bend portion 33 may be formed to be bent several times, respectively, in the present embodiment will be described as limited to be made of one cycle having one cycle.

A plurality of first injection holes 32a are formed in the first bent part 32. The plurality of first injection holes 32a may be disposed to have different heights adjacent to each other. The shape of the first bent part 32 is formed to be bent, and the first injection holes 32a are disposed to be spaced apart from each other by a predetermined interval on the first bent part 32. Therefore, the heights of the first injection spheres 32a adjacent to each other are different from each other.

At least one of the plurality of first injection ports 32a is disposed higher than an upper end of the upper rack 10. Therefore, the washing water is also sufficiently sprayed on the outside of the dishes arranged higher than the upper end of the upper rack (10).

In addition, referring to FIG. 3, at least some of the plurality of first injection holes 32a may be formed so that the opening directions may face different directions to spray the washing water in different directions. That is, first openings 32b are formed in the plurality of first injection holes 32a, respectively, and directions in which the first openings 32b of the plurality of first injection holes 32a are opened are adjacent to each other. The first opening 32b of the injection holes is formed differently from the opening direction.

In FIG. 3, nine first injection spheres 32a are shown, and the nine first injection spheres are respectively opened in one of the 10 o'clock, 11 o'clock, 12 o'clock, 1 o'clock and 2 o'clock directions. Is formed. Therefore, since the washing water sprayed from the first injection holes 32a is sprayed in various directions, the blind spot where the washing water is not wetted can be minimized.

In addition, a plurality of second injection holes 33a are formed in the second bent part 33. The plurality of second injection holes 33a may also be disposed to have different heights adjacent to each other. That is, the shape of the second bent part 33 is formed to be bent, and the second injection spheres 33a are disposed on the second bent part 33 at predetermined intervals. Thus, the heights of the second injection nozzles 33a adjacent to each other are different from each other.

At least one of the plurality of second injection ports 33a may be disposed lower than a lower end of the upper rack 10. Accordingly, the washing water is sufficiently sprayed from the lower side of the upper rack 10 toward the upper rack 10.

In addition, at least some of the plurality of second injection holes 33a may be formed so that the opening directions may face different directions so as to spray the washing water in different directions. That is, second openings 33b are formed in the plurality of second injection holes 33a, respectively, and directions in which the second openings 33b of the plurality of second injection holes 33a are opened are adjacent to each other. The second openings 33b of the injection holes are formed differently from the opening direction.

That is, like the first openings 33b of the first injection holes 33a, the second openings 33b of the plurality of second injection holes 33a are respectively 9 o'clock and 11 o'clock directions. , 12 o'clock, 1 o'clock, or 3 o'clock direction. Therefore, since the washing water sprayed from the second injection holes 33a is sprayed in various directions, the blind spot where the washing water is not wetted can be minimized.

Therefore, since the spray direction and the spray height of the sprayed washing water are different, the inner and outer sides of all the dishes can be sufficiently wetted by the washing water, regardless of the size or height of the dishes.

Looking at the operation of the dishwasher according to the first embodiment of the present invention, configured as described above is as follows.

First, when a user stores dishes in the upper rack 10 and the lower rack 12, and then operates the dish washing machine, the washing pump 8 is operated.

When the washing pump 8 is operated, the washing water in the sump 6 is injected into the washing tank 4 through the rotary washing nozzle 20 and the fixed washing nozzle 30.

The washing water sprayed from the rotary washing nozzle 20 mainly washes the dishes placed on the lower rack 12.

The washing water sprayed from the fixed washing nozzle 30 mainly washes dishes placed on the upper rack 10.

The washing water sprayed from the second injection holes 33a of the second curved portion 33 of the fixed washing nozzle 30 washes the dishes arranged under the upper rack 10. Since the heights of the second injection holes 33a are different from each other, and the opening directions of the second opening holes 33b of the second injection holes 33a are different from each other, the washing water is sprayed in various directions and heights. Accordingly, the washing water sprayed from some of the second injection holes 33a may wash the inner surface of the dish placed downward, and the remaining portion may wash the outer surface of the dish.

The washing water sprayed from the first injection holes 32a of the first bent portion 32 of the fixed washing nozzle 30 washes the dishes disposed on the upper rack 10. Since the heights of the first injection holes 32a are different from each other and the opening directions of the first opening holes 32b are different from each other, the washing water is sprayed in various directions and heights. Therefore, washing is possible not only to the inner and outer surfaces of the tableware disposed above the upper rack 10 but also to the rim of the bottom of the tableware placed downward.

Therefore, since the spraying direction and the spraying height of the washing water are varied, both inside and outside of the dishes can be uniformly wetted by the washing water regardless of the size or height of the dishes. Therefore, the blind spot where the washing water is not wetted is minimized, and the phenomenon of leaving dirt on the tableware can be prevented.

On the other hand, Figure 4 is a front view showing the washing nozzle of the dishwasher according to the second embodiment of the present invention.

4, the fixed washing nozzle 40 of the dish washing machine according to the second embodiment of the present invention is disposed in the vertical direction and the vertical portion 41 receives the washing water from the sump, and the vertical portion 41 Since the configuration and operation except for the configuration of the inclined portions 42, 43, 44, 45 protruded in a predetermined angle inclined in the same manner as the first embodiment of the present invention can be implemented similarly The overlapping description with the first embodiment of the present invention described above can be omitted.

The inclined portions 42, 43, 44, 45 may be formed in plural, and the inclined angles of the plurality of inclined portions 42, 43, 44, 45 may be formed differently. . The plurality of inclined portions 42, 43, 44, 45 may be arranged to be symmetrical about the vertical portion 41, or may be disposed to have different heights from each other. In the present embodiment, some of the plurality of inclined portions 42, 43, 44, 45 are arranged to be symmetrical about the vertical portion 41, and the remaining portions are arranged at different heights without being symmetrical. It demonstrates only to what was arrange | positioned.

That is, the first inclined portion 42 protruding in the left direction from the upper end of the vertical portion 41, the second inclined portion 43 protruding in the right direction from the upper end of the vertical portion 41, and the first The third inclined portion 44 which is disposed below the first and second inclined portions 42 and 43 and protrudes in the left direction, and the third inclined portion 44 which is different in height from the third inclined portion 44 and protrudes in the right direction. It may include a four inclined portion (45).

A plurality of injection holes 42a, 43a, 44a, 45a are formed in the first, second, third, and fourth inclination parts 42, 43, 44, and 45, respectively, at predetermined intervals. Since the first, second, third, and fourth inclined portions 42, 43, 44, and 45 are formed to be inclined, the heights of the plurality of injection holes 42a, 43a, 44a, and 45a are different from each other. do. In addition, the direction of the opening holes formed in each of the plurality of injection holes 42a, 43a, 44a, 45a may be formed differently from the direction of the opening holes of the adjacent injection holes.

At least one of the plurality of injection holes 42a, 43a, 44a, 45a may be disposed below the upper rack 10.

The washing nozzle of the dish washing machine according to the second embodiment of the present invention configured as described above is easy to manufacture due to its simple structure. In addition, since the washing water is sprayed in various directions so that both the inside and the outside of the dishes can be sufficiently wet regardless of the size or shape of the dishes, the washing power can be improved.

On the other hand, Figure 5 is a front view showing a washing nozzle of the dish washing machine according to a third embodiment of the present invention.

Referring to FIG. 5, the fixed washing nozzle 50 of the dish washing machine according to the third embodiment of the present invention is disposed in the vertical direction and receives the washing water from the sump and the vertical portion 51. The configuration and operation other than those including the plurality of horizontal portions 52, 53, and 54 formed with a plurality of horizontally formed injection holes may be implemented similarly to the first embodiment of the present invention. Duplicate description with the first embodiment of the present invention can be omitted.

The plurality of horizontal parts 52, 53, 54 are disposed at an upper side of the upper horizontal part 52 protruding from the upper end of the vertical part 51 to the left and right, and disposed below the upper horizontal part 52. It may include a left horizontal portion 53 protruding in the direction, and a right horizontal portion 54 disposed to be spaced apart from the left horizontal portion 53 by a predetermined interval in the vertical direction and protruding in the right direction.

A plurality of injection holes 52a, 53a, 54a are formed in the plurality of horizontal parts 52, 53, 54, respectively, and the plurality of injection holes 52a, 53a, 54a are adjacent to each other. The injection hole and the height is formed differently. That is, the plurality of injection holes 52a, 53a, 54a are disposed at different heights on the horizontal portions 52, 53, 54. In addition, at least one of the plurality of injection holes 52a, 53a, 54a may be disposed below the lower end of the upper rack 10.

In addition, the opening direction of the opening hole formed in each of the plurality of injection holes 52a, 53a, 54a may be formed differently from the opening direction of the neighboring opening hole.

Therefore, although the plurality of horizontal portions 52a, 53a, 54a are formed in a straight line, a plurality of injection holes 52a, 53a, 54a formed in the horizontal portions 52, 53, 54 are provided. Since the height of) is different from each other, the spray height and direction of the washing water may vary. Therefore, regardless of the size or shape of the dishes, since the washing water can sufficiently wet both the inside and the outside of the dishes, the washing power can be improved.

1 is a front sectional view showing the inside of a dish washer according to a first embodiment of the present invention.

FIG. 2 is a front view of the cleaning nozzle shown in FIG. 1. FIG.

FIG. 3 is an enlarged view illustrating the opening direction of the first injection holes shown in FIG. 2.

4 is a front view illustrating the washing nozzle of the dish washing machine according to the second embodiment of the present invention.

5 is a front view illustrating the washing nozzle of the dish washing machine according to the third embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS Fig.

2: body 4: washing tank

10: upper rack 12: lower rack

20: rotating washing nozzle 30, 40, 50: fixed washing nozzle

31,41,51: vertical portion 32: bend portion

32a: injection hole 32b: opening hole

42, 43, 44, 45: slope 52, 53, 54: horizontal portion

Claims (9)

A rack disposed inside the washing tank and storing dishes; A sump disposed under the washing tank to collect washing water; A washing nozzle disposed on a side of the washing tank, the washing nozzle having a plurality of injection holes for spraying the washing water supplied from the sump toward the rack; The plurality of injection holes are disposed in the height of the neighboring nozzles different from each other, at least one nozzle is disposed below the rack dishwasher. The method according to claim 1, At least some of the plurality of injection holes are formed in the dishwasher so that the opening direction is directed in a different direction to spray the washing water in different directions. The method according to claim 1, At least one nozzle of the plurality of injection holes is disposed above the rack dishwasher. The method according to claim 1, The washing nozzle is disposed in the vertical direction, the vertical portion receiving the washing water from the sump; And a curved portion protruding laterally and bent from the vertical portion and having the plurality of injection holes formed therein. The method according to claim 4, The plurality of bent portion dishwasher made of a different amplitude of the bend. The method according to claim 4, The curved portion is a dish washer formed about the point of symmetry around the intersection with the vertical portion. The method according to claim 1, The washing nozzle is disposed in the vertical direction, the vertical portion receiving the washing water from the sump; Protruding in the direction inclined at a predetermined angle from the vertical portion, the dishwasher comprising a slope formed with the plurality of injection holes. The method according to claim 1, The washing nozzle is disposed in the vertical direction and the vertical portion receiving the washing water from the sump; And a plurality of horizontal parts formed horizontally on the vertical part and having the plurality of injection holes formed therein. The method according to claim 8, The plurality of horizontal parts may include an upper horizontal part protruding in a left and right direction from an upper end of the vertical part, a left horizontal part disposed below the upper horizontal part and protruding in a left direction, and a predetermined distance in a vertical direction from the left horizontal part A dishwasher comprising a right horizontal portion spaced apart and formed to protrude in the right direction.

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