KR20000032393A - Structure for combining bushing of drum shaft for drum washing machine - Google Patents

Structure for combining bushing of drum shaft for drum washing machine Download PDF

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Publication number
KR20000032393A
KR20000032393A KR1019980048836A KR19980048836A KR20000032393A KR 20000032393 A KR20000032393 A KR 20000032393A KR 1019980048836 A KR1019980048836 A KR 1019980048836A KR 19980048836 A KR19980048836 A KR 19980048836A KR 20000032393 A KR20000032393 A KR 20000032393A
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KR
South Korea
Prior art keywords
bushing
drum shaft
drum
spider
washing machine
Prior art date
Application number
KR1019980048836A
Other languages
Korean (ko)
Inventor
김선우
Original Assignee
구자홍
엘지전자 주식회사
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Publication date
Application filed by 구자홍, 엘지전자 주식회사 filed Critical 구자홍
Priority to KR1019980048836A priority Critical patent/KR20000032393A/en
Publication of KR20000032393A publication Critical patent/KR20000032393A/en

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26Casings; Tubs
    • D06F37/261Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • D06F37/262Tubs made by a specially selected manufacturing process or characterised by their assembly from elements made of plastic material, e.g. by injection moulding
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02Rotary receptacles, e.g. drums
    • D06F37/04Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/206Mounting of motor
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22Mountings, 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/081Safety arrangements for preventing water damage

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

Abstract

PURPOSE: A structure for combining a bushing is provided to prevent the leakage of washing water to a gap of a combined portion of the drum shaft and the bushing combined in the drum shaft for preventing corrosion and abrasion of an oil seal. CONSTITUTION: A bushing(108) combined into a drum shaft(107) for preventing a corrosion and an abrasion of an oil seal is forcibly inserted in the drum shaft(107) before a spider(106) is inserted into the drum shaft(107) and injection-molded. The spider(106) is inserted and injection-molded in the state combined the bushing(108) in the drum shaft(107). An injected material of the spider(106) is injection-molded to cover a flange(109) of the bushing(108). Therefore, a gap is not generated by integrating the bushing(108) and the spider(106), and washing water inside a tub(103) is not leaked through the injection-molded part. And the remove of the bushing(108) from the spider(106) by a vibration during operating is prevented by forming a knurl portion in an outer circumference of the flange(109) of the bushing(108).

Description

드럼세탁기용 드럼축의 부싱결합구조Bushing coupling structure of drum shaft for drum washing machine

본발명은 드럼세탁기에 관한 것으로, 특히, 드럼세탁기의 드럼축에 부싱을 압입한뒤 부싱의 플랜지가 덮히도록 스파이더를 인서트 사출 성형함으로서, 오일시일의 마모 및 부식을 방지하기 위해 드럼축으로 결합되는 부싱과 드럼축의 결합부 틈새로 터브의 세탁수가 누수되는 것을 방지하는 동시에 작업공정을 단축시킬수 있고 원가의 절감효과와 등을 얻을수 있는 드럼세탁기용 드럼축의 부싱결합구조에 관한 것이다.The present invention relates to a drum washing machine, and more particularly, by inserting the bushing into the drum shaft of the drum washing machine and inserting the spider so that the flange of the bushing is covered, which is coupled to the drum shaft to prevent wear and corrosion of the oil seal. It relates to a bushing coupling structure of a drum shaft for a drum washing machine which can prevent the wash water of the tub from leaking through the gap between the bushing and the drum shaft, and can shorten the work process and obtain a cost reduction effect and the like.

종래의 드럼세탁기는 도1에 나타내었다.A conventional drum washing machine is shown in FIG.

상기 드럼세탁기(1)의 구성은 세탁물을 세탁하기 위한 드럼(2)과,The drum washing machine (1) is composed of a drum (2) for washing laundry,

상기 드럼(2)으로 모우터(11)의 회전력을 풀리(10)를 통해 전달하여 드럼(2)를 회전시키기 위해 드럼(2)의 스파이더(6)에 결합되는 드럼축(7)과,A drum shaft (7) coupled to the spider (6) of the drum (2) to transmit the rotational force of the motor (11) to the drum (2) through the pulley (10) to rotate the drum (2);

상기 드럼축(7)을 회전시키기 위해 드럼축(7)외주면으로 결합되는 다수개의 베어링(5)과,A plurality of bearings 5 coupled to the outer circumferential surface of the drum shaft 7 to rotate the drum shaft 7,

상기 베어링(5)을 지지하기 위해 베어링(4)의 외주면으로 결합되는 베어링하우징(4)과,A bearing housing 4 coupled to the outer circumferential surface of the bearing 4 to support the bearing 5;

상기 베어링하우징(6)을 지지하기 위해 베어링하우징(4)의 외주면을 지지하는 터브(3)와,Tub (3) for supporting the outer peripheral surface of the bearing housing (4) for supporting the bearing housing (6),

상기 터브(3)내의 세탁수가 베어링하우징(4)으로 누수되는 것을 방지하기 위해 베어링하우징(4)과 드럼축(7)사이에 결합되는 오일시일(12)과,An oil seal (12) coupled between the bearing housing (4) and the drum shaft (7) to prevent the wash water in the tub (3) from leaking into the bearing housing (4);

상기 오일시일(12)의 마모 및 부식을 방지하기 위해 드럼축(7)으로 결합되는 부싱(8)을 구비한 구성으로 되어 있다.The bushing 8 is coupled to the drum shaft 7 to prevent wear and corrosion of the oil seal 12.

상기와 같은 종래 구성에 따른 작용효과를 설명하면 다음과 같다.Referring to the effects of the conventional configuration as described above are as follows.

먼저, 드럼세탁기(1)의 드럼(2)에 세탁물을 투입한 뒤 시작보턴을 누르면 급수가 이루어지는 동시에 모우터(11)에 전원이 인가된다.First, after the laundry is put into the drum 2 of the drum washing machine 1 and pressing the start button, water is supplied and power is applied to the motor 11.

그리고, 상기 모우터(11)에 전원이 인가되면 회전을 하게 되고 상기의 회전력은 풀리(10)와 밸트에 의한 전동체계에 의해 드럼축(7)까지 도달되면서 드럼축(7)을 회전시키게 된다.Then, when the power is applied to the motor 11 is rotated and the rotational force is reached to the drum shaft 7 by the electric system by the pulley 10 and the belt to rotate the drum shaft (7). .

또한, 상기 드럼축(7)의 회전은 베어링하우징(4)에 지지되는 베어링(5)들에 의해 원활하게 이루어지며 아울러 드럼축(7)과 연결된 스파이더(6) 및 드럼(2)을 정,역회전시키기 때문에 드럼(2)내부의 세탁물을 세탁할수 있게 된다.In addition, the rotation of the drum shaft (7) is smoothly made by the bearings (5) supported on the bearing housing (4), and also to determine the spider (6) and the drum (2) connected to the drum shaft (7), Since the reverse rotation can wash the laundry inside the drum (2).

상기와 같이된 종래 드럼세탁기(1)의 드럼축(7)에는 오일시일(12)의 마모 및 부식을 방지하기 위한 부싱(8)이 결합되어진다.The drum shaft 7 of the conventional drum washing machine 1 as described above is coupled with a bushing 8 for preventing wear and corrosion of the oil seal 12.

상기 부싱(8)을 드럼축(7)에 강제 압입시에는 드럼축(107)의 결합부위에 누수방지를 하기 위한 실리콘(9)을 바른뒤 결합을 시키게 된다.When the bushing 8 is forcibly pressed into the drum shaft 7, the silicone 9 is applied to the coupling portion of the drum shaft 107 to prevent leakage.

따라서, 상기 드럼축(7)과 부싱(8)이 접하는 부위 및 부싱(8)과 스파이더(6)가 접하는 부위에 실리콘(9)층이 형성되기 때문에 누수를 방지할수 있도록 되어 있다.Therefore, since the layer of silicon 9 is formed at the portion where the drum shaft 7 and the bushing 8 are in contact with each other and the portion at which the bushing 8 and the spider 6 are in contact with each other, leakage can be prevented.

그러나, 상기와 같이 드럼축(7)에 실리콘(9)을 도포한 뒤 부싱(8)을 조립치구에 의해 강제 삽입하는 구조이므로 실리콘비용과 작업공정의 추가 및 조립치구를 사용할 때의 불편함등이 노출되고 있다.However, since silicon 9 is applied to the drum shaft 7 and the bushing 8 is forcibly inserted by the assembly jig as described above, the silicon cost and the work process are added, and the inconvenience of using the assembly jig etc. This is being exposed.

또한, 상기 실리콘(9)이 완벽하게 도포되지 않았을 경우에는 내부의 베어링(5)마모로 인해 수명단축 및 이상소음 발생과 누수가 발생되는 등의 문제점을 가지고 있었다.In addition, when the silicon (9) is not completely coated, there are problems such as shortening of life, abnormal noise and leakage due to wear of the internal bearing (5).

이러한 종래의 문제점등을 해결 보완하기 위한 본발명의 목적은,The purpose of the present invention for solving and solving these conventional problems,

오일시일의 마모 및 부식을 방지하기 위해 드럼축으로 결합되는 부싱과 드럼축의 결합부 틈새로 터브의 세탁수가 누수되는 것을 방지하는 동시에 작업공정을 단축시킬수 있고 원가의 절감효과 및 이상소음이 발생되는 것을 방지할수 있도록 하는 목적을 제공한다.In order to prevent oil seal wear and corrosion, the wash water of the tub can be prevented from leaking out of the tub through the gap between the bushing and drum shaft coupling, which can shorten the work process and reduce the cost and abnormal noise. Its purpose is to help prevent this.

상긔 목적을 달성하기 위하여 본발명은,In order to achieve the purpose of the present invention,

드럼세탁기의 드럼축에 부싱을 압입한뒤 부싱의 플랜지가 덮히도록 스파이더를 인서트 사출 성형시키면 본발명의 목적을 달성할수 있게 된다.After inserting the bushing into the drum shaft of the drum washing machine, insert molding the spider so that the flange of the bushing is covered can achieve the object of the present invention.

도1은 종래 드럼세탁기의 드럼축에 결합된 부싱을 나타낸 단면도1 is a cross-sectional view showing a bushing coupled to a drum shaft of a conventional drum washing machine.

도2는 종래 드럼축에 결합된 부싱을 나타낸 요부 확대단면도Figure 2 is an enlarged cross-sectional view of the main portion showing a bushing coupled to a conventional drum shaft

도3은 본발명 드럼세탁기의 드럼축에 결합된 부싱을 나타낸 단면도Figure 3 is a cross-sectional view showing a bushing coupled to the drum shaft of the drum washing machine of the present invention

도4는 본발명 드럼축에 결합된 부싱을 나타낸 요부 확대단면도Figure 4 is an enlarged cross-sectional view of the main portion showing the bushing coupled to the drum shaft of the present invention;

도5는 본발명 부싱을 나타낸 사시도5 is a perspective view of the bushing of the present invention;

<도면중 주요 부분에 대한 부호설명><Code Description of Main Parts in Drawing>

101-드럼세탁기 102-드럼101-drum washing machine 102-drum

103-터브 104-베어링하우징103-tub 104-bearing housing

105-베어링 106-스파이더105-Bearing 106-Spider

107-드럼축 108-부싱107-Drum Shaft 108-Bushing

109-플랜지 110-너얼링부109-Flange 110-Near Ring

111-풀리 112-모우터111-pulley 112-motor

113-오일시일113-Oil Seal

본발명의 구성을 도3과 도5에 의해 상세히 설명하기로 한다.The configuration of the present invention will be described in detail with reference to Figs.

오일시일(113)의 마모 및 부식을 방지하기 위해 드럼축(107)으로 결합되는 부싱(108)과 드럼축(107)의 결합부 틈새로 터브(103)의 세탁수가 누수되는 것을 방지하기 위해 드럼축(107)에 부싱을 압입한뒤 부싱(108)의 플랜지(109)가 덮히도록 스파이더(106)를 인서트 사출성형한 구성이다.To prevent the wash water of the tub 103 from leaking into the gap between the coupling portion of the drum shaft 107 and the bushing 108 coupled to the drum shaft 107 to prevent wear and corrosion of the oil seal 113. After inserting the bushing into the shaft 107, the spider 106 is insert injection molded so that the flange 109 of the bushing 108 is covered.

그리고, 상기 부싱(108)이 스파이더(106)로 부터 탈거되는 것을 방지하기 위해 부싱(108)의 플랜지(109) 외주면에 너얼링부(110)를 더구비 하였다.In addition, in order to prevent the bushing 108 from being detached from the spider 106, the nutring part 110 is further provided on an outer circumferential surface of the flange 109 of the bushing 108.

이와같이된 본발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention as described above is as follows.

먼저, 도3은 본발명 드럼세탁기의 드럼축에 결합된 부싱을 나타낸 단면도로서, 드럼세탁기(101)의 드럼(102)에 세탁물을 투입한 뒤 시작보턴을 누르면 급수가 이루어지는 동시에 모우터(112)에 전원이 인가된다.First, Figure 3 is a cross-sectional view showing a bushing coupled to the drum shaft of the drum washing machine of the present invention, the laundry is put into the drum 102 of the drum washing machine 101 and then press the start button to supply water at the same time the motor 112 Power is applied.

그리고, 상기 모우터(112)에 전원이 인가되면 회전을 하게 되고 상기의 회전력은 풀리(111)와 밸트에 의한 전동체계에 의해 드럼축(107)까지 도달되면서 드럼축(107)을 회전시키게 된다.Then, when the power is applied to the motor 112 is rotated and the rotational force is to reach the drum shaft 107 by the transmission system by the pulley 111 and the belt to rotate the drum shaft 107. .

또한, 상기 드럼축(107)의 회전은 베어링하우징(104)에 지지되는 베어링(105)들에 의해 원활하게 이루어지며 아울러 드럼축(107)과 연결된 스파이더(106) 및 드럼(102)을 정,역회전시키기 때문에 드럼(102)내부의 세탁물을 세탁할수 있게 된다.In addition, the rotation of the drum shaft 107 is smoothly made by the bearings 105 supported by the bearing housing 104, and also defines the spider 106 and the drum 102 connected to the drum shaft 107. Since the reverse rotation can wash the laundry inside the drum (102).

한편, 도4는 본발명 드럼축에 결합된 부싱을 나타낸 요부 확대단면도로서, 오일 시일(113)의 마모 및 부식을 방지하기 위해 드럼축(107)으로 결합되는 본발명의 부싱(108)은 드럼축(107)에 스파이더(106)를 인서트 사출 성형하기 전에 드럼축(107)으로 강제 압입을 시킨다.On the other hand, Figure 4 is an enlarged cross-sectional view of the main portion showing the bushing coupled to the drum shaft of the present invention, the bushing 108 of the present invention coupled to the drum shaft 107 to prevent wear and corrosion of the oil seal 113 is a drum Force injection into the drum shaft 107 before insert injection molding the spider 106 into the shaft 107.

그리고, 상기 드럼축(107)에 부싱(108)이 결합된 상태에서 스파이더(106)를 인서트 사출 성형을 한다.In addition, the injection molding of the spider 106 is performed while the bushing 108 is coupled to the drum shaft 107.

이때, 상기 스파이더(106)의 사출물은 부싱(108)의 플랜지(109)가 덮히도록 상출 성형을 한다.At this time, the injection of the spider 106 is the upward molding so that the flange 109 of the bushing 108 is covered.

따라서, 상기의 부싱(108)과 스파이더(106)가 일체로 되어지므로 이부위에 틈새가 발생하지 않게 되고 아울러 터브(103)내의 세탁수가 상기의 사출성형부위를 통해 누수되는 일이 없게 된다.Therefore, since the bushing 108 and the spider 106 are integrated, the gap does not occur in the teeth and the wash water in the tub 103 is not leaked through the injection molding part.

또한, 도5에 나타낸 바와같이 본발명 부싱(108)의 플랜지(109)외주면으로는 너얼링부(110)를 형성함으로서 운전도중 진동 등에 의해 부싱(108)이 스파이더(106)로 부터 탈거되는 것을 막을수 있게 된다.In addition, as shown in FIG. 5, the outer peripheral surface of the flange 109 of the bushing 108 of the present invention forms a knurling portion 110, thereby preventing the bushing 108 from being detached from the spider 106 due to vibration during driving. Will be.

이와같이된 본발명은, 드럼세탁기의 드럼축에 부싱을 압입한뒤 부싱의 플랜지가 덮히도록 스파이더를 인서트 사출 성형함으로서, 오일시일의 마모 및 부식을 방지하기 위해 드럼축으로 결합되는 부싱과 드럼축의 결합부 틈새로 터브의 세탁수가 누수되는 것을 방지하여 부품의 품질을 유지할수 있고, 종래의 실리콘 도포공정이 삭제되므로 실리콘 비용 및 도포공정등을 감축시킬수 있으며, 종래에 많이 발생하였던 불량으로 인한 손실비용을 막아 원가의 절감효과등을 얻을수 있는 유용한 효과를 가진다.The present invention is a combination of the bushing and the drum shaft coupled to the drum shaft to prevent the wear and corrosion of the oil seal by pressing the bushing into the drum shaft of the drum washing machine and insert injection molding the spider to cover the flange of the bushing The quality of parts can be maintained by preventing the wash water of the tub from leaking through the gaps, and the conventional silicon coating process can be eliminated, thereby reducing the silicon cost and coating process, and the loss cost due to the defects that have occurred in the past. It can have a useful effect to get cost saving effect.

Claims (2)

오일시일의 마모 및 부식을 방지하기 위해 드럼축으로 결합되는 부싱과 드럼축의 결합부 틈새로 터브의 세탁수가 누수되는 것을 방지하기 위해 드럼축에 부싱을 압입한뒤 부싱의 플랜지가 덮히도록 스파이더를 인서트 사출성형한 것을 특징으로 하는 드럼세탁기용 드럼축의 부싱결합구조.In order to prevent oil seal wear and corrosion, insert the bushing into the drum shaft to insert the bushing into the drum shaft and to prevent the wash water of the tub from leaking into the gap between the joint of the drum shaft and insert the spider to cover the flange of the bushing. Bushing coupling structure of the drum shaft for drum washing machine, characterized in that injection molding. 제 1 항에 있어서,The method of claim 1, 상기 부싱이 스파이더로 부터 탈거되는 것을 방지하기 위해 부싱의 플랜지 외주면에 너얼링부를 더구비한 것을 특징으로 하는 드럼세탁기용 드럼축의 부싱 결합구조Bushing coupling structure of the drum shaft for drum washing machine, characterized in that the nut is further provided on the outer peripheral surface of the flange of the bushing to prevent the bushing from being removed from the spider
KR1019980048836A 1998-11-14 1998-11-14 Structure for combining bushing of drum shaft for drum washing machine KR20000032393A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100848158B1 (en) * 2007-03-20 2008-07-23 삼성전자주식회사 Washing machine
CN102071557A (en) * 2009-11-24 2011-05-25 三星电子株式会社 Bush member, washing machine having the bush member and manufacturing method of the bush member and the washing machine
US8790015B2 (en) 2009-12-09 2014-07-29 Samsung Electronics Co., Ltd. Bearing housing of washing machine and manufacturing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100848158B1 (en) * 2007-03-20 2008-07-23 삼성전자주식회사 Washing machine
CN102071557A (en) * 2009-11-24 2011-05-25 三星电子株式会社 Bush member, washing machine having the bush member and manufacturing method of the bush member and the washing machine
US8790015B2 (en) 2009-12-09 2014-07-29 Samsung Electronics Co., Ltd. Bearing housing of washing machine and manufacturing method thereof

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