KR20080037414A - Balancer for drum type washing machine - Google Patents

Balancer for drum type washing machine Download PDF

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Publication number
KR20080037414A
KR20080037414A KR1020060104548A KR20060104548A KR20080037414A KR 20080037414 A KR20080037414 A KR 20080037414A KR 1020060104548 A KR1020060104548 A KR 1020060104548A KR 20060104548 A KR20060104548 A KR 20060104548A KR 20080037414 A KR20080037414 A KR 20080037414A
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KR
South Korea
Prior art keywords
balancer
balancer housing
housing
washing machine
drum washing
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KR1020060104548A
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Korean (ko)
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KR101381146B1 (en
Inventor
차정호
장욱진
김지성
남궁관석
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삼성전자주식회사
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Priority to KR1020060104548A priority Critical patent/KR101381146B1/en
Publication of KR20080037414A publication Critical patent/KR20080037414A/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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/265—Counterweights mounted to the tub; Mountings therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
    • F16F15/36—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of unbalance, there is movement of masses until balance is achieved
    • F16F15/363—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of unbalance, there is movement of masses until balance is achieved using rolling bodies, e.g. balls free to move in a circumferential direction

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

A balancer for frontloading washing machine is provided to minimize installation area for a balancer by forming a mount groove on which a rotating jig is located at an outer surface of a second balancer housing. A balancer(200) for a frontloading washing machine comprises a balancer housing, and a plurality of balls(230). The balancer housing consists of a first balancer housing(210) and a second balancer housing(220) connected with the first balancer housing. The first balancer housing has an engaging groove(212) and the second balancer housing has an engaging protrusion which is engaged with the engaging groove. A mount groove(224) on which a rotating jig is placed to assemble the first balancer housing with the second balancer housing is formed at an outer surface of the second balancer housing. The balls move on a lace formed on the balancer housing.

Description

드럼세탁기용 밸런서{Balancer for drum type washing machine}Balancer for drum washing machine {Balancer for drum type washing machine}

도 1은 본 발명에 따른 밸런서가 마련된 드럼세탁기를 도시한 단면도이다.1 is a cross-sectional view showing a drum washing machine provided with a balancer according to the present invention.

도 2는 본 발명에 따른 밸런서를 도시한 분해사시도이다.2 is an exploded perspective view showing a balancer according to the present invention.

도 3은 본 발명에 따른 밸런서의 조립을 설명하기 위해 도시한 개략도이다.Figure 3 is a schematic diagram for explaining the assembly of the balancer according to the present invention.

**도면의 주요 부분에 대한 부호의 설명** ** Description of the symbols for the main parts of the drawings **

110 : 본체 130 : 회전조110: body 130: rotating tub

200 : 밸런서 210 : 제 1 밸런서 하우징200: balancer 210: first balancer housing

212 : 결합홈 220 : 제 2 밸런서 하우징212: coupling groove 220: second balancer housing

222 : 결합돌기 224 : 안착홈222: engaging protrusion 224: seating groove

230 : 볼 242 : 고정지그230: ball 242: fixing jig

244 : 회전지그 245 : 안착돌기244: rotary jig 245: seating protrusion

본 발명은 회전조의 진동을 신속하게 저감시키기 위한 드럼세탁기용 밸런서에 관한 것이다. The present invention relates to a drum washing machine balancer for rapidly reducing the vibration of the rotating tub.

일반적으로, 드럼세탁기는 세탁물을 상측으로 끌어올린 후 낙하시키며 그 낙차에 의해 세탁이 이루어지게 하는 장치이며, 이와 같은 드럼세탁기의 내부에는 회전 가능하게 설치되는 회전조가 마련된다. 상기와 같은 회전조에는 이 회전조가 회전하는 과정에서 회전조 내에 투입되어 있는 세탁물의 무게에 의해 불균형 질량이 발생하여 이에 의한 진동이 불가피하게 발생하게 되는데, 이를 신속하게 저감시킬 수 있도록 하기 위하여 밸런서가 구비되어 있다. In general, the drum washing machine is a device for lifting and dropping the laundry to the upper side and the washing is made by the drop, the rotating tub is provided rotatably installed inside the drum washing machine. In the rotating tank as described above, an unbalanced mass is generated due to the weight of the laundry put into the rotating tank in the process of rotating the rotating tank, which inevitably causes vibration. It is provided.

밸런서는 내부에 질량체가 원주방향으로 이동가능하게 수용될 수 있도록 환 형상의 레이스가 형성되어 있는 밸런서 하우징과, 레이스 내에 이동가능하게 설치되어 질량체로 작용하는 볼을 포함한다. 여기서 밸런서 하우징은 서로 결합되어 사이에 레이스가 형성되는 제 1 밸런서 하우징과 제 2 밸런서 하우징을 포함한다. The balancer includes a balancer housing in which an annular race is formed so that the mass can be movably received in a circumferential direction therein, and a ball movably installed in the race to act as a mass. Here, the balancer housing includes a first balancer housing and a second balancer housing coupled to each other to form a race therebetween.

한편, 상기와 같은 밸런서는 회전융착 방법을 이용하여 제 1 밸런서 하우징과 제 2 밸런서 하우징을 조립하게 된다. 즉, 제 1 밸런서 하우징과 제 2 밸런서 하우징 중 어느 하나의 밸런서 하우징을 회전지그에 의해 회전시킴으로써, 제 1 밸런서 하우징과 제 2 밸런서 하우징의 접촉 부위에서 회전지그의 회전 시 발생되는 마찰열에 의해 융착되게 된다.On the other hand, the balancer as described above is to assemble the first balancer housing and the second balancer housing using a rotation welding method. That is, by rotating the balancer housing of any one of the first balancer housing and the second balancer housing by the rotary jig, it is fused by the frictional heat generated during the rotation of the rotary jig at the contact portion of the first balancer housing and the second balancer housing. do.

그러나, 종래의 드럼세탁기의 밸런서에는 회전지그에 의해 밸런서 하우징을 회전시키기 위해 회전지그 측으로 돌출되는 안착돌기가 형성되어 이 안착돌기를 통해 회전지그의 회전력을 밸런서 하우징에 전달되게 된다. 이와 같이 종래의 밸런서에서는 안착돌기가 형성되어 회전지그가 안착되었으나, 이 안착돌기에 의해 밸런서의 장착 시 불필요한 공간이 형성되는 문제점이 있다. However, in the balancer of the conventional drum washing machine, a seating protrusion is formed to protrude toward the rotary jig to rotate the balancer housing by the rotary jig, so that the rotational force of the rotary jig is transmitted to the balancer housing through the seating protrusion. As described above, in the conventional balancer, a mounting protrusion is formed and the rotary jig is seated, but there is a problem in that unnecessary space is formed when the balancer is mounted by the mounting protrusion.

따라서, 본 발명은 이와 같은 문제점을 감안한 것으로써, 본 발명의 목적은 외측 돌출부위를 최소화하여 공간활용성을 향상시킬 수 있는 드럼세탁기용 밸런서를 제공하는데 있다.Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a drum washing machine balancer that can improve space utilization by minimizing the outer protrusion.

이와 같은 목적을 구현하기 위한 본 발명에 따른 드럼세탁기용 밸런서는 환형의 제 1 밸런서 하우징과, 상기 제 1 밸런서 하우징에 결합되는 환형의 제 2 밸런서 하우징과, 상기 제 1밸런서 하우징과 상기 제 2 밸런서 하우징의 결합에 의해 형성되는 레이스에 이동 가능하게 장착되는 다수의 볼을 포함하며,The drum washing machine balancer according to the present invention for achieving the above object is an annular first balancer housing, an annular second balancer housing coupled to the first balancer housing, and the first balancer housing and the second balancer. A plurality of balls movably mounted in a race formed by engagement of the housing,

상기 제 2 밸런서 하우징의 외면에는 상기 제 1 밸런서 하우징과 상기 제 2 밸런서 하우징을 회전융착시켜 결합시키기 위하여 회전지그가 안착되는 안착홈이 형성된 것을 특징으로 한다.The outer surface of the second balancer housing is characterized in that the seating groove to which the rotary jig is seated is formed in order to combine the first balancer housing and the second balancer housing by rotation welding.

상기 안착홈은 상기 제 2 밸런서 하우징의 중심으로부터 120°간격으로 동일 원주상에 배치된 것을 특징으로 한다.The seating grooves are arranged on the same circumference at intervals of 120 ° from the center of the second balancer housing.

상기 안착홈은 상기 제 2 밸런서 하우징의 외면 내외측에 각각 한 쌍이 형성된 것을 특징으로 한다.The seating groove is characterized in that a pair is formed in each of the inner and outer surfaces of the second balancer housing.

상기 제 1 밸런서 하우징에는 결합홈이 형성되고, 상기 제 2 밸런서 하우징에는 상기 결합홈에 결합되는 결합돌기가 형성된 것을 특징으로 한다.A coupling groove is formed in the first balancer housing, and a coupling protrusion coupled to the coupling groove is formed in the second balancer housing.

이하에서는 첨부한 도면들을 참조하여 본 발명의 실시예를 상세히 설명하기로 한다. Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

도 1은 본 발명에 따른 밸런서가 마련된 드럼세탁기를 도시한 단면도이고, 도 2는 본 발명에 밸런서를 도시한 분해사시도이다.1 is a cross-sectional view showing a drum washing machine provided with a balancer according to the present invention, Figure 2 is an exploded perspective view showing a balancer in the present invention.

도 1을 참조하면, 본 발명에 따른 드럼세탁기는 외관을 형성하는 본체(110)과, 이 본체(110)의 내부에 설치되며 세탁 시에 세탁수가 저장되는 수조(120)와, 이 수조(120) 내부에 회전 가능하게 설치되며 세탁 시 세탁물이 세탁되는 회전조(130)를 구비한다. 이때, 본체(110)의 전면 또는 상면에는 세탁물의 투입을 위한 개구부를 개폐할 수 있도록 도어(115)가 설치된다. 여기서 설명하지 않은 도면부호 'L'은 세탁물이다.Referring to FIG. 1, the drum washing machine according to the present invention includes a main body 110 forming an appearance, a water tank 120 installed inside the main body 110 and storing wash water at the time of washing, and the water tank 120. The inside is rotatably installed and has a rotating tub 130 in which laundry is washed. At this time, the door 115 is installed on the front or upper surface of the main body 110 to open and close the opening for the input of laundry. Reference numeral 'L', which is not described herein, is laundry.

본체(110)의 내측에는 수조(120)로 세탁수와 세제를 공급하는 급수관(117)과 세제 공급장치(119)가 설치된다. 세제공급장치(119)는 내부에 세제를 수용하는 내부공간을 구비하며, 사용자가 세제를 투입하기 용이하도록 본체(110)의 전면부 쪽에 설치된다. 그리고 본체(110)의 하부에는 수조(120)에 담겨진 세탁수를 본체(110)의 외부로 배출시키기 위한 배수펌프(127)와 배수관(129)이 설치된다.Inside the main body 110, a water supply pipe 117 and a detergent supply device 119 for supplying washing water and detergent to the water tank 120 are installed. Detergent supply device 119 has an inner space for receiving a detergent therein, is installed on the front side of the main body 110 to facilitate the user to put the detergent. In addition, a drain pump 127 and a drain pipe 129 for discharging the wash water contained in the water tank 120 to the outside of the main body 110 are installed below the main body 110.

수조(120)의 외측에는 회전조(130)를 시계 방향 또는 반시계 방향으로 회전시키기 위한 모터(140)가 설치되고, 회전조(130)의 후면 외측에는 플랜지 샤프트(152)와 회전축(154)으로 구성되어 모터(140)의 회전력을 회전조(130)에 전달하는 축계(shaft system,150)가 설치된다. A motor 140 for rotating the rotating tub 130 in a clockwise or counterclockwise direction is installed at an outer side of the water tank 120, and a flange shaft 152 and a rotating shaft 154 are disposed outside the rear surface of the rotating tub 130. Is configured to the shaft system (shaft system, 150) for transmitting the rotational force of the motor 140 to the rotating tub 130 is installed.

따라서, 모터(140)에 의해 회전축(154)이 회전하면, 회전축(154)과 결합된 플랜지 샤프트(152)가 회전하고, 이에 따라 플랜지 샤프트(152)와 연결된 회전조(130)가 회전하면서 회전조(130) 내의 세탁물이 세탁되거나 탈수된다.Therefore, when the rotation shaft 154 is rotated by the motor 140, the flange shaft 152 coupled with the rotation shaft 154 rotates, and thus the rotating tub 130 connected to the flange shaft 152 rotates while rotating. The laundry in bath 130 is washed or dehydrated.

한편, 도 1 및 도 2에 도시된 바와 같이 회전조(130)에는 이 회전조(130)의 회전에 따라 회전조(130) 내의 세탁물 무게에 의한 불균형 질량으로 인해 발생할 수 있는 회전조(130)의 진동이 신속하게 저감되도록 함으로써 회전조(130)의 회전이 조기에 안정화되게 하기 위한 밸런서(200)가 설치되어 있다. 이때, 밸런서(200)는 환 형상으로 형성되어 회전조(130)의 회전중심과 동심을 이루도록 회전조(130)에 설치되어 있다. Meanwhile, as illustrated in FIGS. 1 and 2, the rotating tub 130 includes a rotating tub 130 which may be caused by an unbalanced mass due to the weight of the laundry in the rotating tub 130 according to the rotation of the rotating tub 130. The balancer 200 is provided for stabilizing the rotation of the rotating tub 130 early by allowing the vibration to be reduced quickly. At this time, the balancer 200 is formed in an annular shape is installed in the rotating tank 130 to be concentric with the rotation center of the rotating tank 130.

구체적으로, 밸런서(200)는 환 형상으로 형성되며 전후 방향으로 서로 결합되어 사이에 질량체가 이동가능하게 설치되는 레이스(221)가 형성되게 하는 제 1 밸런서 하우징(210) 및 제 2 밸런서 하우징(220)으로 이루어진 밸런서 하우징과, 구 형상으로 형성되며 레이스(221) 내에 이동가능하게 설치되어 질량체로 작용하는 다수의 볼(230)을 포함한다. Specifically, the balancer 200 is formed in an annular shape, the first balancer housing 210 and the second balancer housing 220 are coupled to each other in the front-rear direction so that the race 221 is formed so that the mass is movable therebetween. Balancer housing consisting of a) and a plurality of balls (230) formed in a spherical shape and movable in the race (221) to act as a mass body.

이때, 제 1 밸런서 하우징(210) 상면의 내외면에는 결합홈(212)이 형성되고, 제 2 밸런서 하우징(220) 하면의 내외면에는 제 1 밸런서 하우징(210)의 결합홈(212)에 결합되는 결합돌기(222)가 형성되어 있다(도 3참조). At this time, the coupling groove 212 is formed on the inner and outer surfaces of the upper surface of the first balancer housing 210, the coupling groove 212 of the first balancer housing 210 on the inner and outer surfaces of the lower surface of the second balancer housing 220. Coupling protrusions 222 are formed (see FIG. 3).

또한, 제 2 밸런서 하우징(220)의 외면에는 제 1 밸런서 하우징(210)과 제 2 밸런서 하우징(220)을 회전융착시켜 결합시키기 위하여 회전지그(244)에 형성된 안착돌기(245)가 끼워지는 안착홈(224)이 형성되어 있다. 이와 같은 안착홈(224)은 제 2 밸런서 하우징(220)의 외면 즉, 이 제 2 밸런서 하우징(220)의 중심으로부터 동일 원주상에 배치되는데, 120°간격으로 배치되는 것이 바람직하다. 또한, 상기와 같이 120°간격으로 배치되는 안착홈(224)은 제 2 밸런서 하우징(220)의 외면 내측과 외측에 한 쌍이 각각 형성되어 밸런서(200)의 내외측 융착이 균일하게 이루어지도록 하는 것이 바람직하다. In addition, a seating protrusion 245 formed on the rotary jig 244 is fitted to the outer surface of the second balancer housing 220 so as to rotate and fuse the first balancer housing 210 and the second balancer housing 220. The groove 224 is formed. Such a seating groove 224 is disposed on the same circumference from the outer surface of the second balancer housing 220, that is, the center of the second balancer housing 220, it is preferably arranged at intervals of 120 °. In addition, the mounting grooves 224 disposed at 120 ° intervals as described above are provided with a pair of inner and outer surfaces of the second balancer housing 220, respectively, so that the inner and outer fusion of the balancer 200 is made uniform. desirable.

이하 도면을 참조하여 본 발명에 따른 드럼세탁기용 밸런서의 조립방법 및 작용효과에 대해 설명하면 다음과 같다.Referring to the assembly method and the effect of the drum washing machine balancer according to the present invention with reference to the drawings as follows.

도 3에 도시된 바와 같이 밸런서(200)를 조립하기 위해서는 가장 먼저 제 1 밸런서 하우징(210)을 고정지그(242)에 안착시키고, 이 고정지그(242)에 안착된 제 1 밸런서 하우징(210)에 형성된 레이스(221)에 다수의 볼(230)을 장착시킨다.In order to assemble the balancer 200 as shown in FIG. 3, the first balancer housing 210 is first seated on the fixing jig 242 and the first balancer housing 210 seated on the fixing jig 242. A plurality of balls 230 are mounted to the race 221 formed in the.

이 후, 제 1 밸런서 하우징(210)에 제 2 밸런서 하우징(220)을 결합 위치에 위치시키는데 제 1 밸런서 하우징(210)에 형성된 결합홈(212)에 제 2 밸런서 하우징(220)에 형성된 결합돌기(222)를 끼운다.Thereafter, the second balancer housing 220 is positioned at the coupling position in the first balancer housing 210, and the coupling protrusion formed in the second balancer housing 220 in the coupling groove 212 formed in the first balancer housing 210. Insert (222).

다음으로, 제 2 밸런서 하우징(220)의 외면에 형성된 안착홈(224)에 회전지그(244)의 안착돌기(245)을 끼워 회전지그(244)를 안착시킨다. 그리고, 제 2 밸런서 하우징(220)에 안착된 회전지그(244)를 회전시키면 이 회전지그(244)의 회전 시 제 2 밸런서 하우징(220)도 회전되어 제 1 밸런서 하우징(210)과 제 2 밸런서 하우징(220)의 결합부위 즉, 결합홈(212)과 결합돌기(222)에서 마찰열이 발생되어 제 1 밸런서 하우징(210)과 제 2 밸런서 하우징(220)이 융착되게 된다. Next, the rotary jig 244 is seated by inserting the mounting protrusion 245 of the rotary jig 244 into the mounting groove 224 formed on the outer surface of the second balancer housing 220. When the rotary jig 244 mounted on the second balancer housing 220 is rotated, the second balancer housing 220 is also rotated when the rotary jig 244 is rotated, so that the first balancer housing 210 and the second balancer are rotated. Friction heat is generated in the coupling portion of the housing 220, that is, the coupling groove 212 and the coupling protrusion 222, so that the first balancer housing 210 and the second balancer housing 220 are fused.

이때, 본 발명에서는 도시되지는 않았지만 제 1 밸런서 하우징이 고정지그에 안착되고 제 2 밸런서 하우징에 회전지그가 안착되었으나 제 2 밸런서 하우징이 고정지그에 안착되고 제 1 밸런서 하우징에 회전지그가 안착될 수도 있다. 이와 같은 경우에는 제 1 밸런서 하우징의 외면에 안착홈이 형성되게 된다.At this time, although not shown in the present invention, the first balancer housing is seated on the fixing jig and the rotating jig is seated on the second balancer housing, but the second balancer housing is seated on the fixing jig and the rotating jig may be seated on the first balancer housing. have. In this case, the seating groove is formed on the outer surface of the first balancer housing.

한편, 본 발명에서는 상기와 같이 제 2 밸런서 하우징(220) 외면의 안착홈(224)에 회전지그(244)가 안착됨으로써 종래와는 달리 밸런서(200)의 돌출부위 즉, 제 2 밸런서 하우징(220)의 돌출부위를 최소화하여 공간활용성을 향상시킬 수 있다. 그리고, 본 발명에서는 120°간격으로 제 2 밸런서 하우징(220) 외면의 내외측에 각각 한 쌍의 안착홈(224)을 형성함으로써 밸런서(200)의 내외측을 균일하게 융착시킬 수도 있다.On the other hand, in the present invention, unlike the conventional as the rotary jig 244 is seated in the seating groove 224 of the outer surface of the second balancer housing 220, that is, the second balancer housing 220 The space utilization can be improved by minimizing the protruding part of). In the present invention, the inner and outer sides of the balancer 200 may be uniformly fused by forming a pair of seating grooves 224 at inner and outer sides of the outer surface of the second balancer housing 220 at intervals of 120 °.

이상에서 설명한 바와 같이 본 발명에 따른 드럼세탁기용 밸런서는 밸런서 하우징의 외면 일측에 회전지그가 안착되는 안착홈이 형성됨으로써 이 밸런서가 장착되는데 있어 필요 공간을 최소화할 수 있는 효과가 있다.As described above, the balancer for a drum washing machine according to the present invention has an effect of minimizing a space required for mounting the balancer by forming a seating groove in which a rotary jig is seated on one side of an outer surface of the balancer housing.

Claims (4)

제 1 밸런서 하우징과, 상기 제 1 밸런서 하우징에 결합되는 제 2 밸런서 하우징로 이루어진 밸런서 하우징과, 상기 밸런서 하우징에 형성되는 레이스에 이동 가능하게 장착되는 다수의 볼을 포함하는 드럼세탁기용 밸런서에 있어서,In the balancer for a drum washing machine comprising a balancer housing comprising a first balancer housing, a second balancer housing coupled to the first balancer housing, and a plurality of balls movably mounted to a race formed in the balancer housing, 상기 제 2 밸런서 하우징의 외면에는 상기 제 1 밸런서 하우징과 상기 제 2 밸런서 하우징을 회전융착시켜 결합시키기 위하여 회전지그가 안착되는 안착홈이 형성된 것을 특징으로 하는 드럼세탁기용 밸런서. And a seating groove in which a rotary jig is seated on the outer surface of the second balancer housing in order to rotate and fuse the first balancer housing and the second balancer housing. 제 1항에 있어서, The method of claim 1, 상기 안착홈은 상기 제 2 밸런서 하우징의 중심으로부터 120°간격으로 동일 원주상에 배치된 것을 특징으로 하는 드럼세탁기용 밸런서.The seating groove is a balancer for a drum washing machine, characterized in that arranged on the same circumference at intervals of 120 ° from the center of the second balancer housing. 제 2항에 있어서,The method of claim 2, 상기 안착홈은 상기 제 2 밸런서 하우징의 외면 내외측에 각각 한 쌍이 형성된 것을 특징으로 하는 드럼세탁기용 밸런서.The seating groove is a balancer for a drum washing machine, characterized in that a pair is formed on the inside and outside of the outer surface of the second balancer housing. 제 1항에 있어서,The method of claim 1, 상기 제 1 밸런서 하우징에는 결합홈이 형성되고, A coupling groove is formed in the first balancer housing, 상기 제 2 밸런서 하우징에는 상기 결합홈에 결합되는 결합돌기가 형성된 것 을 특징으로 하는 드럼세탁기용 밸런서.Balancer for drum washing machine, characterized in that the second balancer housing has a coupling protrusion coupled to the coupling groove.
KR1020060104548A 2006-10-26 2006-10-26 Balancer for drum type washing machine KR101381146B1 (en)

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KR19980061421U (en) * 1997-03-25 1998-11-05 윤종용 washer
KR19980061420U (en) * 1997-03-25 1998-11-05 윤종용 washer
KR100403503B1 (en) * 2001-07-25 2003-11-01 주식회사 대우일렉트로닉스 Burr concealment device of balance in washing machine

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