KR930006002B1 - Eccentric rotator of nozzle for tableware cleaner - Google Patents

Eccentric rotator of nozzle for tableware cleaner Download PDF

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Publication number
KR930006002B1
KR930006002B1 KR1019880004979A KR880004979A KR930006002B1 KR 930006002 B1 KR930006002 B1 KR 930006002B1 KR 1019880004979 A KR1019880004979 A KR 1019880004979A KR 880004979 A KR880004979 A KR 880004979A KR 930006002 B1 KR930006002 B1 KR 930006002B1
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South Korea
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nozzle
gear
guide
fixed
eccentric
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KR1019880004979A
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Korean (ko)
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KR890015711A (en
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권호철
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주식회사 금성사
최근선
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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
    • A47L15/42—Details
    • 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

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  • Washing And Drying Of Tableware (AREA)

Abstract

The device has planetary gears and an arm for eccentrically rotating nozzle in order to injecting water evenly to the tableware surface difficult to wash. The device comprises a stationary nozzle guide (10) having a stationary nozzle gear (12); a rotating nozzle guide (11) having planetary gears (14) and ferming inlet and outlet eccentric; nozzle (1) having a nozzle gear (13); nozzle gear (13) engaged with the gears (14) and the gear (12).

Description

식기세척기 노즐의 편심회전장치Eccentric Rotating Device of Dishwasher Nozzle

제1도는 종래의 식기세척기에 대한 내부구조 단면도.1 is a cross-sectional view of the internal structure of a conventional dishwasher.

제2도는 본 발명에 대한 노즐 회전장치의 발췌 사시도.Figure 2 is an excerpt perspective view of a nozzle rotating apparatus according to the present invention.

제3도는 본 발명에 대한 노즐의 결합상태 단면도.3 is a cross-sectional view of the coupled state of the nozzle of the present invention.

제4도는 본 발명의 노즐에 대한 평면 구성도.4 is a plan view of the nozzle of the present invention.

제5a, b, c, d도는 본 발명에 따른 노즐의 편심 회전상태도.5a, b, c, d is an eccentric rotation state of the nozzle according to the invention.

제6도는 본 발명의 편심회전에 대한 분사 지역도.6 is an injection zone diagram for eccentric rotation of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 노즐 9 : 펌프와류실1: nozzle 9: pump vortex chamber

10 : 고정노즐안내구 11 : 회전노즐가이드10: fixed nozzle guide 11: rotary nozzle guide

12 : 고정노즐치차 13 : 노즐치차12: fixed nozzle gear 13: nozzle gear

14 : 유정치차 18a : 구멍14: oil well 18a: hole

19 : 회전축 F : 분출구19: rotation axis F: spout

본 발명은 식기세척기의 회전노즐(Nozzle)장치에 관한 것으로,특히 유성치차와 돌출부(Arm)을 이용하여 노즐을 편심회전시켜 세척실에 배치된 식기에 골고루 물을 분사하여 세척이 안가는 사각지역을 없애도록 한 식기세척기의 노즐 편심회전장치에 관한 것이다.The present invention relates to a rotary nozzle (nozzle) device of the dishwasher, in particular, by rotating the nozzle using the planetary gear and the projection (Arm) by spraying water evenly to the dishes arranged in the washing room to clean the blind area. Nozzle eccentric rotating device of the dishwasher to be eliminated.

종래의 식기세척기에서 노즐의 회전구성은 제1도에서 살펴볼 수 있는 바와 같이 상측공간에 식기배치용 선반을 적재한 식기세척실이 있고 그 하단에 위치한 세척조(2)밑에 세척용 펌프(Pump)(3)가 부착되고, 그 위에 세척조(2)를 경계로 패킹(4)을 끼우고 노즐안내구(5)가 나사로 체결되고 그 위에 회전노즐(1)을 얹어 위로 이탈되지 않고 회전이 가능하게 너트(6)로 채웠다.Rotational configuration of the nozzle in the conventional dishwasher has a dishwashing room loaded with a shelf for disposing the dishes in the upper space as shown in Figure 1 and a washing pump (Pump) under the washing tank (2) located at the bottom thereof ( 3) is attached, and the packing (4) is fitted on the washing tank (2) border thereon, the nozzle guide (5) is screwed and the rotary nozzle (1) is placed on it so that it can be rotated without falling up Filled with (6).

이러한 종래의 노즐구성은 하단의 세척펌프(3)가 작동하면 고압의 물을 노즐안내구(5)를 통해 노즐(1)로 보내게 되고, 이때 노즐(1) 윗면에 뚫린 여러개의 분출구(7)를 통해 노즐(1)로 보내게 되고, 이때 노즐(1) 윗면에 뚫린 여러개의 분출구(7)를 통해 분사되어 식기선반(8)에 놓여있는 식기를 세척하게 된다.In the conventional nozzle configuration, when the washing pump 3 at the bottom is operated, high-pressure water is sent to the nozzle 1 through the nozzle guide 5, and at this time, a plurality of jets 7 drilled on the top surface of the nozzle 1. It is sent to the nozzle (1), at this time is sprayed through a plurality of jet holes (7) drilled on the nozzle (1) to wash the dishes placed on the dish shelf (8).

상기의 물분사 과정에서 물이 노즐끝에 부착된 좌우 분출구(7)(7')를 상호 반대방향으로 45°가량 기울어지게 분사되기 때문에 발생되는 반작용으로 노즐(1)이 회전하게 된다.In the water spraying process, the nozzle 1 is rotated by a reaction generated because water is sprayed inclined by about 45 ° in the opposite directions to the left and right jet holes 7 and 7 'attached to the nozzle tip.

따라서 회전축은 당연히 노즐안내구가 되며 노즐(1)에 부착된 각 분출구에서는 노즐안내구를 중심으로 일정한 원을 그리면서 분사하게 되었다.Therefore, the axis of rotation becomes the nozzle guide, and each jet port attached to the nozzle 1 is sprayed while drawing a certain circle around the nozzle guide.

이러한 종래의 분사장치에서는 각 분출구가 일정한 궤적을 그리며 분사하게 되므로 궤적위에 놓여진 그릇은 세척이 잘 되지만 궤적을 벗아난 곳에 있는 식기의 세척이 어렵기 때문에 이를 해결하기 위해 펌프의 용량을 크게 하고, 분출구를 많이 형성하기도 했으나 이는 소음이 크고 필요이상의 에너지 손실이 발생되는 문제점과 세척이 잘되는 곳과 안되는 곳의 편차가 크게되는 단점이 있었다.In the conventional injector, each ejection outlet is sprayed with a constant trajectory, so that the bowl placed on the trajectory is well cleaned, but it is difficult to wash the dishes in the off-track, so that the capacity of the pump is increased to solve this problem. Although it was formed a lot of this was a problem that the noise is large and the energy loss is more than necessary, and the difference between the place where the washing is not good and the place where it is not great.

따라서 본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로 첨부도면에 의거 상세히 설명하면 다음과 같다.Therefore, the present invention has been made in order to solve the above problems will be described in detail based on the accompanying drawings.

첨부도면 제2도는 본 발명에 대한 노즐 회전장치의 발췌 사시도이고, 제3도는 노즐의 결합상태 단면도로써 고정노즐 가이드(10)는 펌프와류실(9)에 나사식으로 결합되어 지지작용을 하는 것으로 중앙에 유로가 뚫려 있고 그 유로의 상단방향에서 중앙으로 보강살(16)이 튀어나오게 형성시켜 이들이 만나는 곳에 구멍(18a)이 뚫린 축삽입부(18)를 형성하고, 고정노즐안내구(10)의 상단 외주면으로는 고정노즐치차(12)를 형성한다.2 is an exploded perspective view of the nozzle rotating apparatus according to the present invention, and FIG. 3 is a cross-sectional view of the nozzle coupling state in which the fixed nozzle guide 10 is screwed to the pump vortex chamber 9 to perform a supporting action. A flow path is formed in the center and the reinforcement bar 16 is formed to protrude from the upper direction of the flow path to the center to form the shaft insertion part 18 in which the holes 18a are drilled where they meet, and the fixed nozzle guide 10 A fixed nozzle tooth 12 is formed as the outer peripheral surface of the upper end.

회전노즐안내구(11)는 입구측과 출구측을 편심지게 형성하는 관으로써 출구측 상단에 노즐이 안착되는 턱을 깍아 형성하고 입구측 내부에는 보강살(20)을 중앙으로 돌출시켜서 이들이 만나는 곳에 축삽입구(21)를 형성하고 그 축삽입부(21)에 회전축(19)를 사출 성형시 삽입시켜 고정하며 입구측의 외면 일측에 돌출부(15)를 돌출시켜 이곳에 유성치차(14)가 삽입된 축(25)을 삽입하여 너트(23)로 구성한다.Rotating nozzle guide (11) is a pipe forming the inlet side and the outlet side eccentrically formed by cutting the jaws in which the nozzle is seated on the top of the outlet side and protrudes the reinforcement 20 inside the inlet side where they meet The shaft insertion hole 21 is formed, and the rotary shaft 19 is inserted into the shaft insertion part 21 during injection molding to be fixed, and the planetary gear 14 is inserted therein by protruding the protrusion 15 to one side of the outer surface of the inlet side. The shaft 25 is inserted to form a nut 23.

노즐(1)은 저면에 회전노즐안내구(11)의 편심회전에 따른 지름을 보유하도록 돌출시켜서 그 내면에 노즐치차(13)을 형성하고 상단에 나사(27)를 구성한다.The nozzle 1 protrudes to have a diameter according to the eccentric rotation of the rotary nozzle guide 11 on its bottom surface to form a nozzle gear 13 on its inner surface and constitutes a screw 27 on the top.

이상의 구성으로 이루어진 본 발명을 조립하려면 고정노즐안내구(10)을 펌프와류실(9)에 나사식으로 체결시킨 상태에서 회전노즐안내구(11)의 회전축(19)을 고정 노즐안내구(10)의 구멍(18a)에 삽입하여 와셔(17)로써 이탈을 방지하도록 하면 돌출부(15)에 설치된 유성치차(14)는 고정노즐안내구(10)이 고정노즐치차(12)와 맞물리게 된다. 그리고 축 결합된 회전노즐안내구(11) 상부에 노즐(1)을 결합시키고 회전노즐안내구(11)의 보강살(26) 상단에 돌출된 나사(27)에 너트(28)로써 고정시키면 내면의 노즐치차(13)는 노즐안내구(11)의 유성 치차(14)와 맞물리게 된다.In order to assemble the present invention having the above configuration, the fixed nozzle guide 10 is fixed to the rotating shaft 19 of the rotary nozzle guide 11 in a state in which the fixed nozzle guide 10 is screwed to the pump vortex chamber 9. Insertion into the hole (18a) of the to prevent the separation by the washer 17, the planetary gear (14) installed in the projection 15 is the fixed nozzle guide tool 10 is engaged with the fixed nozzle tooth (12). Then, when the nozzle 1 is coupled to the upper part of the rotating nozzle guide 11 coupled to the shaft, and fixed with a nut 28 to a screw 27 protruding from the upper end of the reinforcing bar 26 of the rotating nozzle guide 11, the inner surface The nozzle tooth 13 is engaged with the planetary tooth 14 of the nozzle guide (11).

이때 회전노즐안내구의 회전축(19)의 축선(B')과 노즐의 축선(A')은 L2의 거리만큼 편심져 있으며 여기에서 회전 노즐안내구(11)는 2개의 축선(A')(B')을 연결시켜 주는 역할을 한다.At this time, the axis B 'of the rotating shaft 19 of the rotating nozzle guide and the axis A' of the nozzle are eccentric by a distance of L 2 , where the rotating nozzle guide 11 is formed of two axes A '( B ') connects.

이러한 구성으로 이루어진 본 발명은 통상의 식기세척기와 마찬가지로 제일 먼저 세척펌프(3)가 작동하여 노즐안내구(10)(11)를 통해 물을 흡입하여 노즐(1)로 분사되어 식기척(8)에 놓여있는 식기를 세척하게 된다.According to the present invention having the above configuration, the washing pump 3 is operated in the same manner as a conventional dishwasher to suck water through the nozzle guides 10 and 11 to be sprayed onto the nozzle 1 to dispose the dishwasher 8. The dishes on the table will be washed.

노즐(1)로 물이 고압으로 분사되면 노즐의 분출구(29)(30) 방향에 의해 제4도와 같이 반작용으로 인하여 "E"방향으로 노즐을 회전시킨다. 이때 노즐(1)에 형성된 노즐치차(13)도 함께 회전하면서 유성치차(14)를 회전시키고 고정노즐치차(12)와 맞물려 회전하는 자전과 공전작용을 하게된다.When water is injected into the nozzle 1 at a high pressure, the nozzle is rotated in the direction of "E" due to the reaction as shown in FIG. 4 by the direction of the ejection openings 29 and 30 of the nozzle. At this time, the nozzle gear 13 formed in the nozzle 1 also rotates while rotating the planetary gear 14 and engaged with the fixed nozzle gear 12 to rotate and rotate.

이때 노즐치차(13)의 잇수를 43으로 하고, 회전중심은 A'이고 고정노즐치차(12)의 잇수를 29로 하고 회전중심은 B'이며 유성치차(14)의 잇수는 8이며 회전중심은 C'를 중심으로 자전하여 B'를 중심으로 공정한다.The number of teeth of the nozzle gear 13 is 43, the center of rotation is A ', the number of teeth of the fixed nozzle tooth 12 is 29, the center of rotation is B', the number of teeth of the planetary gear 14 is 8 and the center of rotation is It rotates around C 'and processes it around B'.

여기서 돌출부(15)의 회전중심은 B'이며, C',B',A'와의 각각 거리는 일정하다.Here, the center of rotation of the protrusion 15 is B ', and the distances to C', B ', and A' are constant.

따라서 각 치차의 회전수를 비교해 보면 표 1과 같이Therefore, comparing the number of rotations of each gear, as shown in Table 1

[표 1]TABLE 1

Figure kpo00001
Figure kpo00001

로 나타나는 것으로 이는 돌출부(15)를 1회전시키면 전체로 고정했다고 가정할때 A+B+C는 각각 1회전하게 된다.This is assuming that the projection 15 is rotated once, assuming that it is fixed as a whole, A + B + C will each rotate one.

돌출부(15)를 고정했다고 가정하면 상대적으로 치차 B가 -1회전해야 하며 A 및 C는 계산식과 같이된다.Assuming that the protrusions 15 are fixed, the teeth B should be rotated by -1, and A and C are given by the formula.

또 그 합을 더하면 돌출부(15)의 1회전시 유성치차(14)는 1+29/8회전하여 노즐치차(13)는 1+29/43회전하고 치차 B는 고정되어 있으므로 0이 된다.When the sum is added, the planetary gear 14 rotates 1 + 29/8 in one rotation of the protrusion 15, the nozzle gear 13 rotates 1 + 29/43, and the gear B is fixed, and thus becomes zero.

따라서 분출구 "F"이 궤적을 살펴보면 분출구"F"가 처음 위치로 되돌아오려면 돌출부(15)의 회전도 정수가 되어야 하고, 노즐치차(13)의 회전도 정수가 되어야 한다.Therefore, when the ejection opening "F" looks at the trajectory, the rotation of the projection 15 must be an integer and the rotation of the nozzle gear 13 must be an integer to return the ejection opening "F" to the initial position.

이 두 치차의 공배수는 72회전이다. 따라서 노즐(1)이 72회전했을 때 분출구 "F"가 최초의 위치로 오게 된다.The common multiple of these two gears is 72 revolutions. Thus, when the nozzle 1 rotates 72, the jet port "F" comes to the initial position.

따라서 72회전 종단의 분출구 "F"의 궤적을 알아보면 제5a, b, c, d도와 같고 제5도의 최초상태에서 돌출부(15)가 90°회전을 하면 제5b도와 같은 상태가 되고, 이때 노즐치차(A)의 회전을 계산하면 N(A)=1/4×72/43=0.42 회전이 된다.Therefore, the trajectory of the ejection opening “F” at the end of 72 rotation is as shown in Figs. 5a, b, c, and d, and when the protrusion 15 is rotated by 90 ° in the initial state of Fig. 5, the nozzle is in the same state as Fig. 5b. Calculating the rotation of the gear A results in N (A) = 1/4 × 72/43 = 0.42 rotation.

제5c도와 같이 돌출부가 180°회전할 때에는 N(A)=1/2×72/43=0.84 회전을 하게 되며 최초상태와 돌출부(15)가 반대방향에 위치했을때의 고정 노즐안내구 중심 B'와 분출구 "F"까지의 거리 변화 즉 분출구 "F"의 궤적을 보면 최초의 상태는 제5a도와 같이 L1=L3-L2이나 반대방향일때에는 제5d도와 같이 L'1=L3+L2이다.As shown in FIG. 5C, when the protrusion rotates 180 °, N (A) = 1/2 × 72/43 = 0.84 rotates, and the fixed nozzle guide center B when the initial state and the protrusion 15 are located in opposite directions is shown. 'And the trajectory of the outlet "F", the trajectory of the outlet "F", the initial state is L 1 = L 3 -L 2 as shown in Fig. 5a or L' 1 = L 3 as shown in Fig. 5d in the opposite direction. + L 2

따라서 분출구 "F"는 제6도와 같이 B'를 중심으로 회전노즐안내구(11)의 편심거리 두배 즉 2L2의 거리만큼 왕복하면서 회전하는 궤적을 나타낸다.Therefore, the ejection opening "F" represents a trajectory that rotates while reciprocating by twice the eccentric distance of the rotary nozzle guide sphere 11, that is, 2L 2 , as shown in FIG. 6.

그러므로 노즐(1)의 분출거리를 편심거리(L2) 2배 간격으로 설치해 놓으면 식기세척기의 내부전구간은 72회전시마다 완전하고 고르게 세척하는 효과를 나타낼 수 있다. 보통 노즐회전은 분당 40∼50회전을 하며 세척시간은 30∼40분 세척하므로 세척되지 않는 종래의 사각지역을 완전히 없앨 수 있는 것이다. 또한 치차 A 및 치차 B의 잇수가 공약수가 많은 잇수를 선택하면 분출구의 위치가 최초로 돌아오는 회전이 작아지게 되지만 공약수가 없는 43 및 29를 선택하므로 72회전동안 각각 노즐위치를 회전하면서 분사하게 된다.Therefore, when the ejection distance of the nozzle 1 is installed at an interval of twice the eccentric distance (L 2 ), the inner section of the dishwasher may have the effect of completely and evenly washing every 72 revolutions. Normal nozzle rotation is 40 to 50 revolutions per minute and the washing time is 30 to 40 minutes, so that the conventional blind area that is not washed can be completely eliminated. In addition, if the teeth of tooth A and tooth B are selected by the number of common divisors, the rotation of the outlet of the spout is reduced for the first time, but since 43 and 29 are not selected, the nozzles are sprayed while rotating the nozzle positions for 72 revolutions.

이상에서와 같이 본 발명은 유성치차 및 돌출부를 구성으로 하는 간단한 구조를 소수의 분출구로도 세척내의 전면을 고르게 세척할 수 있어 식기의 균일한 세척이 가능하여 펌프의 용량을 줄일 수 있으므로 제조 원가 절감 및 전력소모를 낮출 수 있고 소음을 줄이게 됨과 동시에 세척력을 높일 수 있는 특징으로 주사범위를 가변시켜 기능을 향상시켜 주는 효과가 있는 것이다.As described above, the present invention can wash the entire surface of the washing evenly with a few ejection outlets with a simple structure consisting of planetary gears and protrusions, so that uniform washing of dishes is possible, thereby reducing the capacity of the pump, thereby reducing manufacturing costs. And it is possible to lower the power consumption and reduce the noise and at the same time to increase the washing power is to improve the function by varying the scanning range.

Claims (2)

식기세척기의 회전장치에 있어서, 고정너즐치차(12)를 갖는 고정 노즐안내구(10)와, 입구와 출구가 편심되고 유성치차(14)를 갖는 회전노즐안내구(11)와, 노즐치차(13)를 갖는 노즐(1)로 구성되며, 노즐치차(13)가 고정노즐치차(13)와 맞물린 유성치차(14)에 맞물려 회전노즐안내구(11)의 회전축(19)과 노즐(1)중심에 편심거리(L2)를 유지하여 노즐(1)의 분출구 "F"가 두배의 편심거리 궤적내에서 왕복하도록 한 것을 특징으로 하는 식기세척기 노즐의 편심회전장치.In the rotating device of the dishwasher, a fixed nozzle guide (10) having a fixed nozzle tooth (12), a rotary nozzle guide (11) having an inlet and an outlet eccentric and a planetary gear (14), and a nozzle tooth ( And a nozzle (13), the nozzle gear (13) being engaged with the planetary gear (14) engaged with the fixed nozzle gear (13), and the rotating shaft (19) of the rotary nozzle guide (11) and the nozzle (1). Eccentric rotation device of the dishwasher nozzle, characterized in that to maintain the eccentric distance (L 2 ) in the center so that the ejection opening "F" of the nozzle (1) reciprocates within a double eccentric distance trajectory. 제1항에 있어서, 상기 고정노즐안내구 (10)는, 내벽으로부터 중앙으로 돌출되게 한 보강살(16)과, 중앙에 구멍(18a)을 갖는 지지봉(18)과 외주면 상단에 형성시킨 고정노즐치차(12)를 가지며, 상기 회전노즐안내구(11)는 입구측내부에 구성시킨 보강살(20)와 회전축(19)를 갖는 지지봉(21)과, 외면 일측에 유성치차(14)를 형성시킨 돌출부(15)를 가지며, 상기 노즐(1)은 내면에 노즐치차(13)를 형성시켜 구성함을 특징으로 하는 식기세척기 노즐의 편심회전장치.The fixed nozzle guide tool (10) according to claim 1, wherein the fixed nozzle guide (10) comprises a reinforcing bar (16) which protrudes from the inner wall to the center, a support bar (18) having a hole (18a) at the center, and a fixed nozzle formed at the upper end of the outer peripheral surface. It has a tooth (12), the rotary nozzle guide (11) has a support rod (21) having a reinforcing bar (20) and a rotating shaft (19) configured inside the inlet side, and the planetary gear (14) is formed on one side of the outer surface. Eccentric rotating device of the dishwasher nozzle having a projection 15, wherein the nozzle (1) is formed by forming a nozzle gear (13) on the inner surface.
KR1019880004979A 1988-04-30 1988-04-30 Eccentric rotator of nozzle for tableware cleaner KR930006002B1 (en)

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KR930006002B1 true KR930006002B1 (en) 1993-07-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017091982A1 (en) * 2015-12-01 2017-06-08 佛山市顺德区美的洗涤电器制造有限公司 Spraying arm assembly of dish washer and dish washer having same
US10660499B2 (en) * 2016-06-10 2020-05-26 Lg Electronics Inc. Dishwasher

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR201908885A2 (en) * 2019-06-14 2020-12-21 Arcelik As A DISHWASHER WITH IMPROVED WASHING PERFORMANCE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017091982A1 (en) * 2015-12-01 2017-06-08 佛山市顺德区美的洗涤电器制造有限公司 Spraying arm assembly of dish washer and dish washer having same
US10779702B2 (en) 2015-12-01 2020-09-22 Foshan Shunde Midea Washing Appliances Mfg. Co., Ltd. Spraying assembly for dish washing machine and dish washing machine having same
US10660499B2 (en) * 2016-06-10 2020-05-26 Lg Electronics Inc. Dishwasher

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