KR20080093344A - Drain pump for drum type washing machine - Google Patents

Drain pump for drum type washing machine Download PDF

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Publication number
KR20080093344A
KR20080093344A KR1020070037172A KR20070037172A KR20080093344A KR 20080093344 A KR20080093344 A KR 20080093344A KR 1020070037172 A KR1020070037172 A KR 1020070037172A KR 20070037172 A KR20070037172 A KR 20070037172A KR 20080093344 A KR20080093344 A KR 20080093344A
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South Korea
Prior art keywords
pump
cover
pump motor
motor
washing machine
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KR1020070037172A
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Korean (ko)
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KR101372267B1 (en
Inventor
백동일
임동빈
장재현
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삼성전자주식회사
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Priority to KR1020070037172A priority Critical patent/KR101372267B1/en
Publication of KR20080093344A publication Critical patent/KR20080093344A/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/081—Safety arrangements for preventing water damage
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A drain pump of a frontloading washer is provided to fasten a cover pump to a pump motor easily and prevent the cover pump from separating from the pump motor by installing plural constraint ribs on the cover pump. A drain pump of a frontloading washer comprises a pump motor(40) and a cover pump(50). The cover pump is screwed to the pump motor to prevent entering of water into the pump motor. The cover pump is fastened to the pump motor via a constraint rib. The constraint rob is composed of front and rear constraint ribs(51) formed on the front side of the cover pump, left and right constraint ribs(52) formed on the left and right sides of the cover pump, and upper and lower constraint ribs(53) formed on the upper side of the cover pump.

Description

드럼세탁기용 배수펌프{Drain pump for drum type washing machine}Drain pump for drum washing machine {Drain pump for drum type washing machine}

도 1은 본 발명에 따른 배수펌프가 설치된 드럼세탁기를 나타낸 종단면도.1 is a longitudinal sectional view showing a drum washing machine equipped with a drain pump according to the present invention.

도 2는 본 발명에 따른 펌프모터와 커버펌프가 결합된 상태를 나타낸 사시도.Figure 2 is a perspective view showing a combined state of the pump motor and the cover pump according to the present invention.

도 3은 본 발명에 따른 펌프모터와 커버펌프가 분리된 상태를 나타낸 사시도.Figure 3 is a perspective view showing a separated state of the pump motor and the cover pump according to the present invention.

도 4는 본 발명에 따른 커버펌프를 나타낸 저면사시도.Figure 4 is a bottom perspective view showing a cover pump according to the present invention.

*도면의 주요부분에 대한 부호 설명** Description of symbols on the main parts of the drawings *

10: 하우징 11: 수조10: housing 11: water tank

12: 드럼 13: 구동모터12: drum 13: drive motor

14: 도어 17: 배수장치14: door 17: drainage

20: 배수펌프 30: 펌프케이스20: drain pump 30: pump case

40: 펌프모터 41: 단자부40: pump motor 41: terminal portion

42: 임펠러 43: 코일42: impeller 43: coil

50: 커버펌프 51: 전후구속리브50: cover pump 51: front and rear restraint rib

52: 좌우구속리브 53: 상하구속리브52: left and right restraint rib 53: upper and lower restraint rib

54: 가이드부 55: 통풍구54: guide portion 55: ventilation holes

53: 와이어걸이부53: wire hanger

본 발명은 드럼세탁기용 배수펌프에 관한 것으로, 보다 상세하게는 펌프모터와 결합하는 커버펌프의 구조를 개선한 드럼세탁기용 배수펌프에 관한 것이다.The present invention relates to a drum washing machine drain pump, and more particularly, to a drum washing machine drain pump having an improved structure of a cover pump coupled to a pump motor.

일반적으로 드럼세탁기는 드럼을 돌리면서 물의 낙차를 이용하여 세탁이 이루어지게 하는 장치로써, 외관을 이루는 하우징과, 하우징의 내부에 물을 담는 수조와, 수조 내에 회전 가능하게 설치되어 세탁물을 담는 드럼과, 드럼에 회전력을 발생시키는 구동모터가 구비된다. 하우징의 상측에는 수조에 물을 공급할 수 있도록 급수장치가 마련되고, 하우징의 하측에는 수조에 담긴 물을 빼낼 수 있도록 배수장치가 마련된다.In general, a drum washing machine is a device that allows washing by using a drop of water while rotating a drum. The drum washing machine includes a housing forming an exterior, a water tank containing water in the housing, a drum rotatably installed in the water tank, A driving motor for generating a rotational force on the drum is provided. A water supply device is provided on the upper side of the housing to supply water to the tank, and a drainage device is provided on the lower side of the housing to extract the water contained in the tank.

통상적인 드럼세탁기의 동작을 살펴보면, 세탁행정 → 헹굼행정 → 탈수행정이 연속적으로 이루어진다. 세탁행정의 경우, 급수장치가 작동하여 드럼 내부로 세탁에 사용될 물을 적정한 수위까지 공급하고, 구동모터가 작동하여 드럼을 정 또는 역으로 회전시킨다. 헹굼행정의 경우, 세탁행정과 동일한 과정을 거치면서 헹굼을 수행한다. 탈수행정의 경우, 배수장치가 작동하여 드럼 내부에 채워져 있는 물을 빼내고 구동모터가 작동하여 드럼을 회전시켜 원심력에 의해 세탁물에 함유된 수분을 빼냄으로써 탈수가 수행된다.Looking at the operation of a conventional drum washing machine, washing stroke → rinsing stroke → dehydration stroke is performed continuously. In the case of washing administration, the water supply system operates to supply the water to be washed into the drum to an appropriate level, and the driving motor is operated to rotate the drum forward or reverse. In the case of the rinsing stroke, the rinsing is performed while going through the same process as the washing stroke. In the case of a dehydration stroke, dehydration is performed by draining the water to extract the water filled in the drum, and driving motor to rotate the drum to extract the water contained in the laundry by centrifugal force.

배수장치는 수조를 빠져 나온 물이 유입되는 펌프케이스를 구비하고, 펌프케 이스에 유입된 물을 하우징 밖으로 빼내기 위하여 펌프모터를 구비한다. 펌프케이스는 그 내부로 물을 유입하는 유입구와, 펌프케이스 밖으로 물을 배출하는 배출구가 마련된다. 수조와 유입구 사이에는 제1배수호스가 연결되고 하우징과 배출구 사이에는 제2배수호스가 연결된다. 따라서 펌프모터를 동작시키면 물은 수조에서 제1배수호스를 따라 펌프케이스의 유입구로 유입된 후 배출구와 연결된 제2배수호스를 통해 외부로 배수된다.The drainage device includes a pump case into which water exiting the tank is introduced, and a pump motor is provided to drain the water introduced into the pump case out of the housing. The pump case is provided with an inlet for introducing water therein and an outlet for discharging water out of the pump case. A first drain hose is connected between the tank and the inlet, and a second drain hose is connected between the housing and the outlet. Accordingly, when the pump motor is operated, water is introduced into the inlet of the pump case along the first drain hose in the water tank and then drained to the outside through the second drain hose connected to the outlet.

수조에 담긴 물이 배수되는 과정에서 각 부품들 간의 연결부에서 누수된 물이 펌프모터에 침투하여 전기적 오작동을 발생시키거나 심한 경우 화재를 일으킬 수도 있다. 이에 펌프모터에 물이 침투하는 현상을 방지하기 위하여 펌프모터를 덮을 수 있도록 커버펌프가 마련된다.In the process of draining water from the tank, water leaks from the connections between the parts can penetrate the pump motor, causing electrical malfunction or even causing fire. The cover pump is provided to cover the pump motor to prevent water from penetrating the pump motor.

그러나 커버펌프와 펌프모터를 결합함에 있어서 스크류 체결방식을 취하고 있다. 이는 커버펌프와 펌프모터에 스크류 체결구조를 형성해야 하므로 원가 상승의 요인을 가지고 있다. 또한 작업자는 스크류를 직접 조여서 커버펌프를 펌프모터에 결합해야 하므로 시간이 오래 걸려서 작업성이 저하되는 문제점이 있다.However, screw coupling method is used in coupling the cover pump and the pump motor. This has a factor of cost increase because the screw coupling structure must be formed in the cover pump and the pump motor. In addition, since the operator needs to fasten the screw directly to the cover pump coupled to the pump motor, it takes a long time there is a problem that the workability is reduced.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 펌프모터에 쉽게 결합되도록 커버펌프의 구조를 개선한 드럼세탁기용 배수펌프를 제공함에 있다.The present invention has been made to solve the above problems, and to provide a drainage pump for a drum washing machine improved the structure of the cover pump to be easily coupled to the pump motor.

이와 같은 목적을 달성하기 위하여, 본 발명에 따른 드럼세탁기용 배수펌프 는 펌프모터와, 상기 펌프모터에 누수된 물이 침투하는 것을 방지하기 위하여 상기 펌프모터와 스크류 결합하는 커버펌프를 구비하는 드럼세탁기용 배수펌프에 있어서,상기 커버펌프는 상기 펌프모터와 끼움 결합이 가능하도록 구속리브가 마련되는 것을 특징으로 한다.In order to achieve the above object, a drum washing machine drain pump according to the present invention is a drum washing machine having a pump motor, and a cover pump screw-coupled with the pump motor in order to prevent the water leaked into the pump motor. In the drain pump for, The cover pump is characterized in that the restraining ribs are provided to be fitted with the pump motor.

또한, 상기 구속리브는 상기 커버펌프의 전방에 마련된 전후구속리브와, 상기 커버펌프의 좌우측에 마련된 좌우구속리브와, 상기 커버펌프의 상측에 마련된 상하구속리브를 포함하는 것을 특징으로 한다.The restraint rib may include a front and rear restraint rib provided at the front of the cover pump, a left and right restraint rib provided at left and right sides of the cover pump, and an upper and lower restraint rib provided at an upper side of the cover pump.

또한, 상기 전후구속리브는 상기 펌프모터에 끼워지도록 갈고리모양으로 돌출되어 형성되고, 상기 좌우구속리브는 상기 펌프모터의 좌우면을 지지하도록 돌출되어 형성되고, 상기 상하구속리브는 상기 펌프모터가 안착되도록 단차지게 돌출되어 형성되는 것을 특징으로 한다.In addition, the front and rear restraint rib is formed to protrude in the shape of a hook to be fitted to the pump motor, the left and right restraint ribs are formed to protrude to support the left and right sides of the pump motor, the upper and lower restraint rib is the pump motor is seated It is characterized in that it is formed so as to protrude stepped.

또한, 상기 전후구속리브 또는 좌우구속리브 또는 상하구속리브 중 적어도 어느 하나는 복수 개 마련되는 것을 특징으로 한다.In addition, at least one of the front and rear restraint rib, the left and right restraint rib, or the up and down restraint rib may be provided in plural.

또한, 상기 커버펌프는 상기 커버펌프에 의해 차단되는 누수된 물이 하측으로 이동하도록 상기 커버펌프의 외면에 가이드부가 마련되는 것을 특징으로 한다.In addition, the cover pump is characterized in that the guide portion is provided on the outer surface of the cover pump so that the leaked water blocked by the cover pump moves to the lower side.

또한, 상기 커버펌프는 상기 펌프모터를 냉각시키기 위하여 통풍구가 마련되는 것을 특징으로 한다.In addition, the cover pump is characterized in that the vent is provided for cooling the pump motor.

또한, 상기 커버펌프는 상기 펌프모터에 전원을 인가하는 단자부에 연결된 와이어를 고정하는 와이어걸이부가 마련되는 것을 특징으로 한다.In addition, the cover pump is characterized in that the wire hook portion for fixing the wire connected to the terminal portion for applying power to the pump motor is provided.

이하, 본 발명에 따른 드럼세탁기용 배수펌프의 실시 예를 첨부도면을 참조 하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, an embodiment of a drum washing machine drain pump according to the present invention will be described in detail.

도 1은 본 발명에 따른 배수펌프가 설치된 드럼세탁기를 나타낸 종단면도이다.1 is a longitudinal sectional view showing a drum washing machine equipped with a drain pump according to the present invention.

도 1을 참조하면, 드럼세탁기는 외관을 이루는 하우징(10)과, 하우징(10)의 내부에 물을 담는 수조(11)와, 수조(11) 내에 회전 가능하게 설치되어 세탁물을 담는 드럼(12)과, 드럼(12)에 회전력을 발생시키는 구동모터(13)가 구비된다. 수조(11)와 드럼(12)은 세탁물을 투입, 인출할 수 있도록 전방이 개방되어 있으며, 하우징(10)의 전면에는 도어(14)가 힌지 결합되어 수조(11)와 드럼(12)의 개방부를 개폐할 수 있도록 되어 있다.Referring to FIG. 1, the drum washing machine includes a housing 10 forming an appearance, a water tank 11 containing water in the housing 10, and a drum 12 rotatably installed in the water tank 11 to contain laundry. ) And a drive motor 13 for generating a rotational force on the drum 12. The water tank 11 and the drum 12 are open to the front to input and withdraw laundry, and the front door 14 is hinged to the front of the housing 10 to open the water tank 11 and the drum 12. We can open and close department.

하우징(10)의 상측에는 수조(11)에 물을 공급할 수 있도록 급수장치(15, 16)가 마련되고, 하우징(10)의 하측에는 수조(11)에 담긴 물을 빼낼 수 있도록 배수장치(17)가 마련된다. 급수장치(15, 16)는 외부에서 냉수 및 온수 등의 물을 공급받기 위한 급수호스(16)와, 급수호스(16)를 개폐하기 위한 급수밸브(15)를 구비한다. 배수장치(17)는 수조(11)에서 빠져 나온 물을 하우징(10) 외부로 안내하는 배수호스(21, 22)와, 펌핑력을 발생시켜 수조(11)의 물이 배수호스(21, 22)를 따라 이동하게 하는 배수펌프(20)를 구비한다. 배수호스(21, 22)는 수조(11)에서 배수펌프(20)로 물을 안내하는 제1배수호스(21)와, 배수펌프(20)에서 하우징(10) 외부로 물을 안내하는 제2배수호스(22)로 이루어진다.Water supply devices 15 and 16 are provided at an upper side of the housing 10 to supply water to the water tank 11, and a drainage device 17 is provided at the lower side of the housing 10 to extract water contained in the water tank 11. ) Is provided. The water supply devices 15 and 16 include a water supply hose 16 for receiving water such as cold water and hot water from the outside, and a water supply valve 15 for opening and closing the water supply hose 16. The drainage device 17 includes drain hoses 21 and 22 for guiding the water discharged from the water tank 11 to the outside of the housing 10, and generates a pumping force so that the water in the water tank 11 is drained hoses 21 and 22. It is provided with a drain pump 20 to move along. The drain hoses 21 and 22 may include a first drain hose 21 for guiding water from the water tank 11 to the drain pump 20, and a second pump for guiding water from the drain pump 20 to the outside of the housing 10. It consists of a drain hose (22).

도 2는 본 발명에 따른 펌프모터와 커버펌프가 결합된 상태를 나타낸 사시도이다.2 is a perspective view showing a state in which the pump motor and the cover pump are coupled according to the present invention.

도 3은 본 발명에 따른 펌프모터와 커버펌프가 분리된 상태를 나타낸 사시도이다.Figure 3 is a perspective view showing a state in which the pump motor and the cover pump is separated according to the present invention.

도 2, 도 3에 도시된 바와 같이, 배수펌프(20)는 수조(11)에서 빠져 나온 물이 저장되는 펌프케이스(30)와, 펌프케이스(30)에 저장된 물을 펌핌하여 하우징(10)의 외부로 배출하는 펌프모터(40)와, 펌프모터(40)에 누수된 물이 침투하는 것을 방지하는 커버펌프(50)를 구비한다.As shown in Figure 2, 3, the drain pump 20 is a pump case 30 is stored in the water discharged from the water tank 11, and pumps the water stored in the pump case 30 to the housing 10 The pump motor 40 is discharged to the outside of the, and the cover pump 50 to prevent the water leaked into the pump motor 40 is provided.

펌프케이스(30)에는 제1배수호스(21)와 연결되는 유입구(31)와, 제2배수호스(22)와 연결되는 배출구(32)가 마련된다. 펌프케이스(30)의 일단은 하우징(10)에 결합하고, 펌프케이스(30) 내부에는 이물질을 거를 수 있는 필터(미도시)가 하우징(10)을 통하여 설치되도록 마련된다. 펌프케이스(30)의 타단에 물을 펌핑하는 펌프모터(40)가 결합된다.The pump case 30 is provided with an inlet 31 connected to the first drain hose 21 and an outlet 32 connected to the second drain hose 22. One end of the pump case 30 is coupled to the housing 10, and a filter (not shown) capable of filtering foreign matter is provided through the housing 10 in the pump case 30. A pump motor 40 for pumping water to the other end of the pump case 30 is coupled.

펌프모터(40)는 고정자(미도시)와, 회전자(미도시)와, 임펠러(42)로 이루어진다. 펌프모터(40)가 펌프케이스(30)와 결합된 상태에서 임펠러(42)는 펌프케이스(30) 내부에 삽입되어 회전 가능하도록 마련된다. 임펠러(42)에 회전력을 전달하는 회전축(미도시)이 마련되고, 이 회전축과 일체로 회전 가능하게 마련된 회전자와, 이 회전자를 감싸도록 고정자가 마련된다. 고정자는 자성체로 된 코어와 코어(미도시)에 권취되는 코일(43)을 포함하여 이루어진다. 또한 펌프모터(40)에 전원을 인가하는 단자부(41)가 돌출되어 형성된다.The pump motor 40 includes a stator (not shown), a rotor (not shown), and an impeller 42. In the state where the pump motor 40 is coupled with the pump case 30, the impeller 42 is inserted into the pump case 30 and provided to be rotatable. The impeller 42 is provided with a rotating shaft (not shown) for transmitting the rotational force, a rotor provided so as to be rotatable integrally with the rotating shaft, and a stator is provided to surround the rotor. The stator includes a core made of magnetic material and a coil 43 wound around a core (not shown). In addition, the terminal portion 41 for applying power to the pump motor 40 is formed to protrude.

도 4는 본 발명에 따른 커버펌프를 나타낸 저면사시도이다.Figure 4 is a bottom perspective view showing a cover pump according to the present invention.

도 4에 도시된 바와 같이, 커버펌프(50)는 펌프모터(40)를 감싸도록 마련된 다. 즉, 커버펌프(50)는 대략 박스 형상으로 이루어져 있으며, 펌프모터(40)에 끼움 결합이 가능하도록 하측이 개방되어 있다. 따라서 커버펌프(50)는 펌프모터(40)와 끼움 결합하여 펌프모터(40)에 물이 침투하는 것을 방지한다. As shown in FIG. 4, the cover pump 50 is provided to surround the pump motor 40. That is, the cover pump 50 is formed in a substantially box shape, the lower side is open to allow the fitting coupling to the pump motor 40. Therefore, the cover pump 50 is fitted with the pump motor 40 to prevent the water penetrates the pump motor 40.

커버펌프(50)가 펌프모터(40)에 끼움 결합한 후 유동하는 것을 방지하기 위하여 구속리브(51, 52, 53)를 구비한다. 구속리브(51, 52, 53)는 커버펌프(50)의 전방에 마련된 전후구속리브(51)와, 커버펌프(50)의 좌우측에 마련된 좌우구속리브(52)와, 커버펌프(50)의 상측에 마련된 상하구속리브(53)로 이루어진다. 전후구속리브(51), 좌우구속리브(52), 상하구속리브(53) 중 적어도 어느 하나는 복수 개 마련될 수 있다.The cover pump 50 is provided with restraining ribs 51, 52, and 53 to prevent the cover pump 50 from flowing after being fitted to the pump motor 40. The restraining ribs 51, 52, and 53 are formed of the front and rear restraint ribs 51 provided in front of the cover pump 50, the left and right restraint ribs 52 provided on the left and right sides of the cover pump 50, and the cover pump 50. The upper and lower restraint ribs 53 are provided on the upper side. At least one of the front and rear restraint ribs 51, the left and right restraint ribs 52, and the up and down restraint ribs 53 may be provided in plural.

전후구속리브(51)는 커버펌프(50)의 전방에서 내측으로 돌출되어 형성되어 있으며 그 끝부분은 갈고리모양으로 형성된다. 따라서 커버펌프(50)가 펌프모터(40)에 결합할 때 전후구속리브(51)는 탄성변형을 하면서 펌프모터(40)에 끼워진다. 좌우구속리브(52)는 커버펌프(50)의 좌우측에서 각각 내측으로 돌출되어 형성된다. 좌우구속리브(52)는 펌프모터(40)와 대면하도록 마련되어 커버펌프(50)가 좌우로 유동하는 것을 방지한다. 상하구속리브(53)는 커버펌프(50)의 상부에서 내측으로 돌출되어 형성된다. 상하구속리브(53)는 그 끝부분이 단차지게 형성되어 커버펌프(50)가 안착된다.The front and rear restraint ribs 51 are formed to protrude from the front of the cover pump 50 to the inside thereof, and the ends thereof are formed in the shape of hooks. Therefore, when the cover pump 50 is coupled to the pump motor 40, the front and rear restriction ribs 51 are fitted to the pump motor 40 while elastically deforming. The left and right restraint ribs 52 protrude inward from the left and right sides of the cover pump 50, respectively. The left and right restraint ribs 52 are provided to face the pump motor 40 to prevent the cover pump 50 from flowing from side to side. The vertically constrained ribs 53 protrude inward from the top of the cover pump 50. The upper and lower constrained ribs 53 are formed at step ends thereof so that the cover pump 50 is seated.

커버펌프(50)의 외면에는 누수된 물이 커버펌프(50)의 하측으로 안내되도록 가이드부(54)가 마련된다. 커버펌프(50) 상면에 마련된 가이드부(54)는 커버펌프(50) 상면의 전방측과 후방측의 끝부분에 돌출되어 형성된다. 따라서 누수된 물 은 커버펌프(50)의 좌우측면으로 안내된다. 또한, 커버펌프(50) 좌우측면에 마련된 가이드부(54)는 커버펌프(50)의 외곽 형상을 따라서 끝부분에 돌출되어 형성된다. 다만 커버펌프(50)의 좌우측면 중 후방에는 가이드부(54)가 형성되어 있지 않아서 이 부분을 통하여 누수된 물이 하측으로 떨어지도록 안내한다. 또한, 커버펌프(50)의 하면에 마련된 가이드부(54)는 커버펌프(50)의 하면의 전방측과 후방측의 끝부분에 돌출되어 형성된다. A guide part 54 is provided on the outer surface of the cover pump 50 so that the leaked water is guided to the lower side of the cover pump 50. Guide portion 54 provided on the upper surface of the cover pump 50 is formed to protrude to the front end and the rear end of the upper surface of the cover pump 50. Therefore, the leaked water is guided to the left and right sides of the cover pump (50). In addition, the guide portion 54 provided on the left and right sides of the cover pump 50 is formed to protrude to the end portion along the outer shape of the cover pump 50. However, since the guide portion 54 is not formed at the rear of the left and right sides of the cover pump 50, the water leaked through the portion is guided to the lower side. In addition, the guide portion 54 provided on the lower surface of the cover pump 50 is formed to protrude to the front end and the rear end of the lower surface of the cover pump 50.

이와 더불어 커버펌프(50)의 후면에는 펌프모터(40)를 냉각시키기 위하여 공기가 순환할 수 있도록 통풍구(55)가 마련된다. 또한 펌프모터(40)의 단자부(41)에 연결된 와이어를 고정할 수 있도록 와이어걸이부(56)가 커버펌프(50)의 후면 양측에 마련된다. In addition, the rear of the cover pump 50 is provided with a ventilation hole 55 to circulate air to cool the pump motor 40. In addition, the wire hook portion 56 is provided on both sides of the rear of the cover pump 50 to fix the wire connected to the terminal portion 41 of the pump motor 40.

이하에서 본 발명에 따른 커버펌프가 펌프모터에 결합하는 동작을 상세히 설명한다. Hereinafter will be described in detail the operation of the cover pump according to the invention coupled to the pump motor.

도 1을 참조하면, 펌프케이스(30)의 일단은 하우징(10)의 하부에 고정된다. 이처럼 고정된 펌프케이스(30)의 타단에 펌프모터(40)를 결합한다. 도 3을 참조하면, 커버펌프(50)의 후방과 펌프모터(40)의 후방을 서로 끼움 결합한다. 이때 펌프모터(40)의 후방에 구비된 단자부(41)가 손상되지 않도록 유의한다. 이후 전방구속리브(51)가 펌프모터(40)에 탄성변형하면서 끼워지도록 커버펌프(50)를 펌프모터(40)측으로 강하게 밀착시킨다. 결과적으로 좌우구속리브(52)도 펌프모터(40)의 좌우측면을 지지하고 상하구속리브(53)에 펌프모터(40)가 안착된다.Referring to FIG. 1, one end of the pump case 30 is fixed to the lower portion of the housing 10. The pump motor 40 is coupled to the other end of the fixed pump case 30 as described above. Referring to FIG. 3, the rear of the cover pump 50 and the rear of the pump motor 40 are fitted to each other. At this time, be careful not to damage the terminal portion 41 provided at the rear of the pump motor 40. Thereafter, the cover pump 50 is tightly pressed toward the pump motor 40 so that the front restraint rib 51 is fitted while being elastically deformed to the pump motor 40. As a result, the left and right restraint ribs 52 also support the left and right side surfaces of the pump motor 40 and the pump motor 40 is seated on the up and down restraint ribs 53.

이로써 커버펌프(50)에 형성된 구속리브(51, 52, 53)는 자유도를 구속하여 펌프모터(40)에서 이탈되지 않으므로 작업자는 커버펌프(50)를 펌프모터(40)에 끼움 결합시키는 것이 가능하다.As a result, the restraining ribs 51, 52, and 53 formed on the cover pump 50 are restrained from the pump motor 40 by restricting the degree of freedom, so that the operator can fit the cover pump 50 to the pump motor 40. Do.

상기와 같은 구성을 통하여, 본 발명은 커퍼펌프를 펌프모터에 쉽게 끼워서 결합 가능하게 됨으로써 기존의 스크류 체결방식보다 더 간편하게 조립할 수 있어서 작업성이 높아지는 효과가 있다.Through the configuration as described above, the present invention can be easily coupled to the pump pump coupled to the pump motor can be assembled more easily than the conventional screw fastening method has the effect of increasing the workability.

또한 스크류와 스크류를 결합을 위한 구조가 필요하지 않아서 원가 상승의 요인을 없앰으로써 비용 절약의 효과가 있다.In addition, there is no need for the structure of the screw and screw combination, thereby reducing the cost of the cost increase effect.

Claims (7)

펌프모터와, 상기 펌프모터에 누수된 물이 침투하는 것을 방지하기 위하여 상기 펌프모터와 스크류 결합하는 커버펌프를 구비하는 드럼세탁기용 배수펌프에 있어서,In the waste pump for drum washing machine comprising a pump motor and a cover pump screwed to the pump motor to prevent the water leaked into the pump motor, 상기 커버펌프는 상기 펌프모터와 끼움 결합이 가능하도록 구속리브가 구비되는 것을 특징으로 하는 드럼세탁기용 배수펌프.The cover pump is a drainage pump for a washing machine, characterized in that the restraint rib is provided to be fitted with the pump motor. 제1항에 있어서,The method of claim 1, 상기 구속리브는 상기 커버펌프의 전방에 마련된 전후구속리브와, 상기 커버펌프의 좌우측에 마련된 좌우구속리브와, 상기 커버펌프의 상측에 마련된 상하구속리브를 포함하는 것을 특징으로 하는 드럼세탁기용 배수펌프.The restraint rib includes a front and rear restraint rib provided in front of the cover pump, left and right restraint ribs provided at left and right sides of the cover pump, and a top and bottom restraint rib provided at an upper side of the cover pump. . 제2항에 있어서,The method of claim 2, 상기 전후구속리브는 상기 펌프모터에 끼워지도록 갈고리모양으로 돌출되어 형성되고, 상기 좌우구속리브는 상기 펌프모터의 좌우면을 지지하도록 돌출되어 형성되고, 상기 상하구속리브는 상기 펌프모터가 안착되도록 단차지게 돌출되어 형성되는 것을 특징으로 하는 드럼세탁기용 배수펌프.The front and rear restraint ribs are formed to protrude in the shape of hooks to be fitted to the pump motor, and the left and right restraint ribs protrude to support the left and right sides of the pump motor, and the upper and lower restraint ribs are stepped so that the pump motor is seated. Drum washing machine drainage pump, characterized in that formed to protrude. 제2항에 있어서,The method of claim 2, 상기 전후구속리브 또는 좌우구속리브 또는 상하구속리브중 적어도 어느 하나는 복수 개 마련되는 것을 특징으로 하는 드럼세탁기용 배수펌프.At least one of the front and rear restraint rib, the left and right restraint rib or the up and down restraint rib is provided with a plurality of drum washing machine drainage pump. 제1항에 있어서,The method of claim 1, 상기 커버펌프는 상기 커버펌프에 의해 차단되는 누수된 물이 하측으로 이동하도록 상기 커버펌프의 외면에 가이드부가 마련되는 것을 특징으로 하는 드럼세탁기용 배수펌프.The cover pump is a drain pump for a drum washing machine, characterized in that the guide portion is provided on the outer surface of the cover pump so that the leaked water blocked by the cover pump moves downward. 제1항에 있어서,The method of claim 1, 상기 커버펌프는 상기 펌프모터를 냉각시키기 위하여 통풍구가 마련되는 것을 특징으로 하는 드럼세탁기용 배수펌프.The cover pump is a drain pump for a drum washing machine, characterized in that the vent is provided for cooling the pump motor. 제1항에 있어서,The method of claim 1, 상기 커버펌프는 상기 펌프모터에 전원을 인가하는 단자부에 연결된 와이어를 고정하는 와이어걸이부가 마련되는 것을 특징으로 하는 드럼세탁기용 배수펌프.The cover pump is a drain pump for a drum washing machine, characterized in that the wire hook portion for fixing a wire connected to the terminal portion for applying power to the pump motor.
KR1020070037172A 2007-04-16 2007-04-16 Drain pump for drum type washing machine KR101372267B1 (en)

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CN107558112A (en) * 2017-08-17 2018-01-09 无锡小天鹅股份有限公司 The draining pump and device for clothing processing of device for clothing processing
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CN108291356A (en) * 2015-12-24 2018-07-17 三星电子株式会社 Pump motor and washing machine with the pump motor
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CN107558112A (en) * 2017-08-17 2018-01-09 无锡小天鹅股份有限公司 The draining pump and device for clothing processing of device for clothing processing
EP3587822A1 (en) * 2018-06-29 2020-01-01 LG Electronics Inc. Drain pump
US11028852B2 (en) 2018-06-29 2021-06-08 Lg Electronics Inc. Drain pump
EP4202110A4 (en) * 2021-02-09 2024-03-13 Samsung Electronics Co Ltd Washing machine

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