KR100274989B1 - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
KR100274989B1
KR100274989B1 KR1019980016944A KR19980016944A KR100274989B1 KR 100274989 B1 KR100274989 B1 KR 100274989B1 KR 1019980016944 A KR1019980016944 A KR 1019980016944A KR 19980016944 A KR19980016944 A KR 19980016944A KR 100274989 B1 KR100274989 B1 KR 100274989B1
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KR
South Korea
Prior art keywords
motor
bolt
casing
washing machine
driving motor
Prior art date
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KR1019980016944A
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Korean (ko)
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KR19990084881A (en
Inventor
박철우
Original Assignee
윤종용
삼성전자주식회사
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Application filed by 윤종용, 삼성전자주식회사 filed Critical 윤종용
Priority to KR1019980016944A priority Critical patent/KR100274989B1/en
Publication of KR19990084881A publication Critical patent/KR19990084881A/en
Application granted granted Critical
Publication of KR100274989B1 publication Critical patent/KR100274989B1/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
    • D06F37/206—Mounting of motor
    • 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
    • D06F37/24—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 vertical 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
    • D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • 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
    • D06F37/30—Driving arrangements 
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

PURPOSE: A washing machine is provided to suppress noise to be generated by transferring vibration of a driving motor to other components. CONSTITUTION: An outer casing contains an upper casing(11) and a lower casing. A driving motor(15) is combined with the upper casing(11) by a combining bolt(17). A motor bracket(23) is formed in the driving motor(15) to be combined with a motor fixing portion(19). A bolt accepting portion(25) is formed in the motor bracket(23). A cylindrical first damping member(27) is inserted in a bolt accepting slot(25). Plural protrusions are formed in the first damping member(27). A ring-shaped second damping member(35) is installed between the motor fixing portion(19) and the motor bracket(23). The first damping member(27) is transformed inside the bolt accepting slot(25) by combining force of the combining bolt(17). In rotating the driving motor(15), vibration is transferred from the driving motor(15) to the first damping member(27) through the combining bolt(17). The vibration is not transferred to the upper casing(11) by elastically transforming the first damping member(27).

Description

세탁기washer

본 발명은, 세탁기의 관한 것으로서, 보다 상세하게는, 세탁기의 작동에 의해 구동모터의 진동이 타 부품에 전달되어 발생되는 소음을 억제시킬 수 있도록 한 세탁기에 관한 것이다.The present invention relates to a washing machine, and more particularly, to a washing machine that can suppress the noise generated by the vibration of the drive motor to other parts by the operation of the washing machine.

일반적으로 세탁기는 거의 직사각형상의 케이싱과, 케이싱의 상부영역에 설치된 톱커버를 갖는다. 톱커버에는 세탁물을 출입을 위한 도어가 설치되어 있으며, 도어의 후방에는 급수관이 설치되어 있다.Generally, a washing machine has a substantially rectangular casing and a top cover installed in an upper region of the casing. The top cover is provided with a door for entering and leaving the laundry, and a water supply pipe is installed at the rear of the door.

케이싱의 내부에는 복수의 현가장치에 의해 아웃터브가 설치되어 있으며, 아웃터브 내에는 세탁물을 수용하는 스핀바스켓이 회전 가능하도록 설치되어 있다. 스핀바스켓의 하부영역에는 정역회전에 의해 스핀바스켓 내에 세탁수류를 형성하는 펄세이터가 설치되어 있다. 아웃터브의 하부영역에는 구동력을 발생시키는 구동모터가 설치되어 있으며, 아웃터브와 구동모터 사이에는 구동모터의 구동력을 스핀바스켓과 펄세이터에 전달하는 샤프트조립체가 설치되어 있다. 샤프트조립체의 외주영역에는 샤프트조립체를 감싸도록 외부케이싱이 설치되어 있다. 외부케이싱은 상부케이싱과 하부케이싱을 가지며, 상부케이싱은 아웃터브의 하부면에 고정 설치된다. 상부케이싱에는 구동모터가 고정 결합되어 있다.An outer tub is provided inside the casing by a plurality of suspension devices, and a spin basket for storing laundry is rotatably installed in the outer tub. The lower region of the spin basket is provided with a pulsator for forming a washing stream in the spin basket by forward and reverse rotation. A drive motor for generating a driving force is provided in the lower region of the outer tub, and a shaft assembly for transmitting the driving force of the driving motor to the spin basket and the pulsator is installed between the outtub and the driving motor. An outer casing is provided in the outer circumferential region of the shaft assembly to surround the shaft assembly. The outer casing has an upper casing and a lower casing, and the upper casing is fixedly installed on the lower surface of the outer tub. The drive motor is fixedly coupled to the upper casing.

도 4는 종래의 세탁기의 구동모터 지지부의 확대측단면도이며, 도 5는 도 4의 V - V 선에 따른 확대평단면도이다. 이들 도면에 도시된 바와 같이, 상부케이싱(111)의 모터고정부(119)에는 구동모터(115)를 체결볼트(117)에 의해 고정시키기 위해 암나사부(121)가 형성되어 있다. 구동모터(115)에 형성된 모터브래킷부(123)에는 볼트수용공(125)이 형성되어 있으며, 볼트수용공(125)에는 원통형상의 제1완충부재(127)가 삽입되어 있다. 또한, 상부케이싱(111)의 모터고정부(119)와 구동모터(115)의 모터브래킷부(123) 사이에는 고리형상의 제2완충부재(135)가 설치되어 있다.4 is an enlarged side cross-sectional view of a driving motor support of a conventional washing machine, and FIG. 5 is an enlarged cross-sectional view taken along line V-V of FIG. As shown in these figures, the female screw portion 121 is formed in the motor fixing part 119 of the upper casing 111 to fix the driving motor 115 by the fastening bolt 117. A bolt receiving hole 125 is formed in the motor bracket 123 formed in the driving motor 115, and a cylindrical first buffer member 127 is inserted into the bolt receiving hole 125. In addition, an annular second buffering member 135 is provided between the motor fixing part 119 of the upper casing 111 and the motor bracket part 123 of the driving motor 115.

이상과 같은 구성에 의하여, 구동모터(115)를 상부케이싱(111)에 고정 설치할 때, 모터브래킷부(123)의 볼트수용공(125)에 제1완충부재(127)를 삽입한 다음, 상부케이싱(111)의 모터고정부(119)와 구동모터(115)의 모터브래킷부(123) 사이에 제2완충부재(135)를 개재시키고 체결볼트(117)를 구동모터(115)에서 상부케이싱(111) 방향으로 하여 모터고정부(115)에 형성된 암나사부(121)에 체결한다.By the above configuration, when the drive motor 115 is fixedly installed in the upper casing 111, the first buffer member 127 is inserted into the bolt receiving hole 125 of the motor bracket portion 123, and then The upper cushioning bolt 117 is interposed between the motor fixing part 119 of the casing 111 and the motor bracket part 123 of the driving motor 115, and the fastening bolt 117 is mounted on the upper casing of the driving motor 115. It is fastened to the female screw part 121 formed in the motor fixing part 115 in the (111) direction.

그런데, 이러한 종래의 세탁기에 있어서는, 모터브래킷부의 볼트수용공에 삽입된 제1완충부재의 외경면이 볼트수용공의 내경면에 밀착되어 있어 구동모터에서 발생하는 진동을 흡수하지 못함에 따라 진동이 모터고정부를 통해 상부케이싱에 전달되어 소음이 발생하는 문제점이 있다.By the way, in such a conventional washing machine, the outer diameter surface of the first buffer member inserted into the bolt accommodation hole of the motor bracket portion is in close contact with the inner diameter surface of the bolt accommodation hole, and thus the vibration cannot be absorbed as the vibration generated from the driving motor is not absorbed. There is a problem that noise is transmitted to the upper casing through the motor fixing part.

따라서, 본 발명의 목적은, 세탁기의 작동에 의해 구동모터의 진동이 타 부품에 전달되어 발생되는 소음을 억제시킬 수 있는 세탁기를 제공하는 것이다.Accordingly, an object of the present invention is to provide a washing machine capable of suppressing noise generated by the vibration of the driving motor transmitted to other parts by the operation of the washing machine.

도 1은 본 발명에 따른 세탁기의 샤프트조립체 주변영역의 단면도,1 is a cross-sectional view of the region surrounding the shaft assembly of the washing machine according to the present invention;

도 2는 도 1의 구동모터 지지부의 확대측단면도,Figure 2 is an enlarged side cross-sectional view of the drive motor support of Figure 1,

도 3은 도 2의 III - III선에 따른 확대평단면도,3 is an enlarged plan sectional view taken along line III-III of FIG. 2;

도 4는 종래의 세탁기의 구동모터 지지부의 확대측단면도,Figure 4 is an enlarged side cross-sectional view of the drive motor support of the conventional washing machine;

도 5는 도 4의 V - V 선에 따른 확대평단면도이다.5 is an enlarged plan sectional view taken along the line V-V of FIG.

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

1 : 샤프트조립체 3 : 펄세이터축1 Shaft Assembly 3 Pulsator Shaft

5 : 스핀바스켓축 9 : 외부케이싱5: Spin basket shaft 9: Outer casing

11 : 상부케이싱 13 : 하부케이싱11: upper casing 13: lower casing

15 : 구동모터 17 : 체결볼트15: drive motor 17: fastening bolt

21 : 암나사부 23 : 모터브래킷부21: female thread portion 23: motor bracket portion

25 : 볼트수용공 27 : 제1완충부재25: bolt receiving hole 27: the first buffer member

29 : 돌기 33 : 플랜지부29: projection 33: flange portion

35 : 제2완충부재35: second buffer member

상기 목적은, 본 발명에 따라, 아웃터브의 하부에 고정되는 케이싱을 갖는 샤프트조립체와, 상기 케이싱에 고정되는 모터하우징을 갖는 구동모터조립체를 구비한 세탁기에 있어서, 상기 모터하우징에 형성되어 볼트수용공을 갖는 모터브래킷부와; 상기 볼트수용공을 통과하여 상기 케이싱의 소정위치에 나사결합되는 체결볼트와; 상기 볼트수용공내에서 상기 체결볼트와 상기 모터브래킷부 사이에 원통상으로 개재되며, 반경방향으로 돌출된 다수의 돌기를 갖는 완충부재를 포함하는 것을 특징으로 하는 세탁기에 의해 달성된다.The object of the present invention is a washing machine having a shaft assembly having a casing fixed to a lower portion of an outer tub, and a drive motor assembly having a motor housing fixed to the casing, the bolt housing being formed on the motor housing to accommodate bolts. A motor bracket portion having a ball; A fastening bolt screwed to a predetermined position of the casing through the bolt receiving hole; It is achieved by a washing machine characterized in that it is interposed between the fastening bolt and the motor bracket portion in the bolt receiving hole in a cylindrical shape, and includes a buffer member having a plurality of protrusions projecting in the radial direction.

여기서, 상기 돌기는 반경방향 외측으로 돌출되어 상기 스크류공의 벽면에 탄성적으로 접촉되는 것이 바람직할 수 있으며, 상기 돌기는 축선방향으로 따라 연장되어 있는 것이 바람직할 수 있다.Here, the protrusion may be preferably radially outward so as to elastically contact the wall surface of the screw hole, the protrusion may be preferably extended in the axial direction.

또한, 상기 완충부재는 상기 체결볼트의 축선방향에서 상기 체결볼트의 헤드부와 상기 모터브래킷부사이에 개재되는 플랜지부를 갖는 것이 바람직할 수 있다.In addition, the buffer member may have a flange portion interposed between the head portion of the fastening bolt and the motor bracket portion in the axial direction of the fastening bolt.

이하에서는 첨부도면을 참조하여 본 발명에 대해 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

일반적으로 세탁기는 거의 직사각형상의 케이싱과, 케이싱의 상부영역에 설치된 톱커버를 갖는다. 톱커버에는 세탁물을 출입을 위한 도어가 설치되어 있으며, 도어의 후방에는 급수관이 설치되어 있다.Generally, a washing machine has a substantially rectangular casing and a top cover installed in an upper region of the casing. The top cover is provided with a door for entering and leaving the laundry, and a water supply pipe is installed at the rear of the door.

케이싱의 내부에는 복수의 현가장치에 의해 아웃터브가 설치되어 있으며, 아웃터브 내에는 세탁물을 수용하는 스핀바스켓이 회전 가능하도록 설치되어 있다. 스핀바스켓의 하부영역에는 스핀바스켓 내에 세탁수류를 형성하는 펄세이터가 설치되어 있다. 아웃터브의 하부영역에는 구동력을 발생시키는 구동모터가 설치되어 있다. 아웃터브와 구동모터 사이에는 구동모터의 구동력을 스핀바스켓과 펄세이터에 전달하는 샤프트조립체가 설치되어 있다.An outer tub is provided inside the casing by a plurality of suspension devices, and a spin basket for storing laundry is rotatably installed in the outer tub. In the lower region of the spin basket, a pulsator is formed to form washing water in the spin basket. In the lower region of the outtub, a drive motor for generating a driving force is provided. A shaft assembly is provided between the outer tub and the driving motor to transmit the driving force of the driving motor to the spin basket and the pulsator.

도 1은 본 발명에 따른 세탁기의 샤프트조립체 주변영역의 단면도이다. 이 도면에 도시된 바와 같이, 샤프트조립체(1)는 펄세이터축(3)과, 스핀바스켓축(5)과, 펄세이터축(3)에 구동력을 전달하는 감속기어장치(7)와, 이들을 둘러싸도록 형성된 외부케이싱(9)을 갖는다.1 is a cross-sectional view of a region around a shaft assembly of a washing machine according to the present invention. As shown in this figure, the shaft assembly 1 includes a pulsator shaft 3, a spin basket shaft 5, a reduction gear device 7 for transmitting a driving force to the pulsator shaft 3, and It has an outer casing 9 formed to surround.

외부케이싱(9)은 상부케이싱(11)과 하부케이싱(13)을 가지며, 상부케이싱(11)에는 구동모터(15)가 체결볼트(17)에 의해 결합되어 있다.The outer casing 9 has an upper casing 11 and a lower casing 13, and a drive motor 15 is coupled to the upper casing 11 by a fastening bolt 17.

한편, 도 2는 도 1의 구동모터 지지부의 확대측단면도이며, 도 3은 도 2의 III - III선에 따른 확대평단면도이다. 이들 도면에 도시된 바와 같이, 상부케이싱(11)은 구동모터(15)를 고정하기 위해 형성된 모터고정부(19)를 가지며, 모터고정부(19)에는 암나사부(21)가 형성되어 있다. 구동모터(15)에는 상부케이싱(11) 모터고정부(19)와 체결되는 모터브래킷부(23)가 형성되어 있다. 모터브래킷부(23)에는 모터고정부(19)의 암나사부(21)와 동일 축선을 갖는 볼트수용공(25)이 형성되어 있다.2 is an enlarged side cross-sectional view of the driving motor support of FIG. 1, and FIG. 3 is an enlarged cross-sectional view taken along line III-III of FIG. 2. As shown in these figures, the upper casing 11 has a motor fixing part 19 formed to fix the drive motor 15, and the female screw part 21 is formed in the motor fixing part 19. As shown in FIG. The drive motor 15 is provided with a motor bracket portion 23 engaged with the upper casing 11, the motor fixing part 19. The motor bracket portion 23 is provided with a bolt receiving hole 25 having the same axis as the female screw portion 21 of the motor fixing portion 19.

한편, 볼트수용공(25)에는 원통형상의 제1완충부재(27)가 삽입되어 있다. 제1완충부재(27)에는 볼트수용공(25)의 내경면에 접촉되는 복수의 돌기(29)가 외주면을 따라 형성되어 있으며, 이들 돌기(29)는 축선방향으로 연장되어 형성되어 있다. 제1완충부재(27)에는 체결볼트(17)의 헤드(31)와 모터브래킷부(23)사이에 플랜지부(33)가 형성되어 있다. 또한, 상부케이싱(11)의 모터고정부(19)와 구동모터(15)의 모터브래킷부(23)사이에는 고리형상의 제2완충부재(35)가 설치되어 있다.On the other hand, a cylindrical first buffer member 27 is inserted into the bolt receiving hole 25. The first buffer member 27 is formed with a plurality of projections 29 in contact with the inner diameter surface of the bolt receiving hole 25 along the outer circumferential surface, these projections 29 are formed extending in the axial direction. The first buffering member 27 is provided with a flange portion 33 between the head 31 of the fastening bolt 17 and the motor bracket portion 23. In addition, an annular second buffering member 35 is provided between the motor fixing portion 19 of the upper casing 11 and the motor bracket portion 23 of the driving motor 15.

이상과 같은 구성에 의하여, 모터브래킷부(23)의 볼트수용공(25)에 제1완충부재(27)를 삽입하고, 모터브래킷부(23)와 상부케이싱(11)의 모터고정부(19) 사이에는 제2완충부재(35)를 삽입한 다음, 체결볼트(17)를 모터고정부(19)의 암나사부(21)에 체결하면 제1완충부재(27)가 체결볼트(17)의 체결력에 의해 볼트수용공(25)내에서 소정 변형된다. 구동모터(15)가 회전하게 되면 구동모터(15)에서 발생되는 진동은 체결볼트(17)에 의해 제1완충부재(27)에 전달되며, 전달된 진동에 의해 제1완충부재(27)가 볼트수용공(25)의 내경면과 접촉되지 않는 공간에서 탄성적으로 변형됨에 따라 진동이 직접 상부케이싱(11)에 전달되지 아니한다.By the above configuration, the first buffer member 27 is inserted into the bolt receiving hole 25 of the motor bracket portion 23, and the motor fixing portion 19 of the motor bracket portion 23 and the upper casing 11 is inserted. After inserting the second shock absorbing member 35, and then tightening the fastening bolt 17 to the female screw portion 21 of the motor fixing portion 19, the first shock absorbing member 27 of the fastening bolt 17 The clamping force causes a predetermined deformation in the bolt receiving hole 25. When the driving motor 15 rotates, the vibration generated from the driving motor 15 is transmitted to the first shock absorbing member 27 by the fastening bolt 17, and the first shock absorbing member 27 is transmitted by the transmitted vibration. The vibration is not directly transmitted to the upper casing 11 as it is elastically deformed in a space not in contact with the inner diameter surface of the bolt receiving hole 25.

이와 같이, 모터하우징에 형성되어 볼트수용공을 갖는 모터브래킷부와, 볼트수용공을 통과하여 케이싱의 소정위치에 나사결합되는 체결볼트와, 볼트수용공 내에서 체결볼트와 모터브래킷부 사이에 원통상으로 개재되며, 반경방향으로 돌출된 다수의 돌기를 갖는 완충부재를 마련함으로써, 세탁기의 작동에 의해 구동모터의 진동이 타 부품에 전달되어 발생되는 소음을 억제시킬 수 있다.Thus, the motor bracket portion formed in the motor housing having the bolt receiving hole, the fastening bolt which is screwed into a predetermined position of the casing through the bolt receiving hole, and between the fastening bolt and the motor bracket portion in the bolt receiving hole. By providing a shock absorbing member having a plurality of protrusions, which are usually interposed in the radial direction, the vibration of the driving motor is transmitted to other parts by the operation of the washing machine, thereby suppressing the noise generated.

이상에서 설명한 바와 같이, 본 발명에 따르면, 세탁기의 작동에 의해 구동모터의 진동이 타 부품에 전달되어 발생되는 소음을 억제시킬 수 있는 세탁기가 제공된다.As described above, according to the present invention, there is provided a washing machine capable of suppressing the noise generated by the vibration of the drive motor to other components by the operation of the washing machine.

Claims (4)

아웃터브의 하부에 고정되는 케이싱을 갖는 샤프트조립체와, 상기 케이싱에 고정되는 모터하우징을 갖는 구동모터조립체를 구비한 세탁기에 있어서,In a washing machine having a shaft assembly having a casing fixed to the lower portion of the outer tub and a drive motor assembly having a motor housing fixed to the casing, 상기 모터하우징에 형성되어 볼트수용공을 갖는 모터브래킷부와;A motor bracket part formed in the motor housing and having a bolt accommodation hole; 상기 볼트수용공을 통과하여 상기 케이싱의 소정위치에 나사결합되는 체결볼트와;A fastening bolt screwed to a predetermined position of the casing through the bolt receiving hole; 상기 볼트수용공내에서 상기 체결볼트와 상기 모터브래킷부 사이에 원통상으로 개재되며, 반경방향으로 돌출된 다수의 돌기를 갖는 완충부재를 포함하는 것을 특징으로 하는 세탁기A washing machine characterized in that it is interposed between the fastening bolt and the motor bracket portion in the bolt receiving hole in a cylindrical shape, and including a buffer member having a plurality of protrusions projecting in a radial direction. 제 1항에 있어서,The method of claim 1, 상기 돌기는 반경방향 외측으로 돌출되어 상기 스크류공의 벽면에 탄성적으로 접촉되는 것을 특징으로 하는 세탁기.And the protrusion protrudes radially outward and elastically contacts the wall surface of the screw hole. 제 2항에 있어서,The method of claim 2, 상기 돌기는 축선방향으로 따라 연장되어 있는 것을 특징으로 하는 세탁기.And said projection extends along the axial direction. 제 3항에 있어서,The method of claim 3, wherein 상기 완충부재는 상기 체결볼트의 축선방향에서 상기 체결볼트의 헤드부와 상기 모터브래킷부사이에 개재되는 플랜지부를 갖는 것을 특징으로 하는 세탁기.And the buffer member has a flange portion interposed between the head portion of the fastening bolt and the motor bracket portion in the axial direction of the fastening bolt.
KR1019980016944A 1998-05-12 1998-05-12 Washing machine KR100274989B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210101884A (en) 2020-02-11 2021-08-19 효성중공업 주식회사 Air-gap adjusting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210101884A (en) 2020-02-11 2021-08-19 효성중공업 주식회사 Air-gap adjusting apparatus

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