KR20130123544A - Door apparatus for drum washing machine - Google Patents

Door apparatus for drum washing machine Download PDF

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Publication number
KR20130123544A
KR20130123544A KR1020120046752A KR20120046752A KR20130123544A KR 20130123544 A KR20130123544 A KR 20130123544A KR 1020120046752 A KR1020120046752 A KR 1020120046752A KR 20120046752 A KR20120046752 A KR 20120046752A KR 20130123544 A KR20130123544 A KR 20130123544A
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South Korea
Prior art keywords
drum
opening
washing machine
tub
door
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KR1020120046752A
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Korean (ko)
Inventor
안영빈
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동부대우전자 주식회사
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Priority to KR1020120046752A priority Critical patent/KR20130123544A/en
Publication of KR20130123544A publication Critical patent/KR20130123544A/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
    • D06F37/26—Casings; Tubs
    • D06F37/28—Doors; Security means therefor
    • 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
    • D06F37/10—Doors; Securing means therefor
    • 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
    • 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
    • D06F39/14—Doors or covers; Securing means therefor

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

Abstract

The present invention relates to a door apparatus for a drum washing machine and, more particularly, to a door apparatus for a drum washing machine, which forms the appearance of a drum washing machine. The door apparatus for a drum washing machine comprises a housing where a first opening unit is formed to put in the laundry; a tub which is equipped with a second opening unit at a corresponding position to the first opening unit, is installed inside the housing, and accommodates wash water; a drum which is equipped with a third opening unit at a corresponding position to the first and second opening units, is installed inside the tub to be rotated, and accommodates the laundry put in; an outer door which is combined with the housing in order to open or close the first opening unit; and an inner door which is formed from the second to the third opening units in order to open or close the second and third opening units, is placed opposite to a rotation shaft for rotating the drum, and supports the drum to be rotated using the shaft.

Description

드럼 세탁기의 도어장치{DOOR APPARATUS FOR DRUM WASHING MACHINE}DOOR APPARATUS FOR DRUM WASHING MACHINE

본 발명은 드럼 세탁기의 도어장치에 관한 것으로, 보다 상세하게는 하우징, 터브, 드럼의 개방부를 개폐하는 드럼 세탁기의 도어장치에 관한 것이다.
The present invention relates to a door apparatus of a drum washing machine, and more particularly, to a door washing apparatus of a drum washing machine for opening and closing a housing, a tub, and an opening of a drum.

일반적으로 드럼 세탁기는 드럼 내에 세제, 세탁수, 세탁물이 투입된 상태에서 모터의 구동력에 의해 드럼을 회전시키면서 세탁물과 물의 낙차를 이용해서 세탁하는 장치이다.Generally, a drum washing machine is a device for washing laundry by using a drop of laundry and water while rotating the drum by a driving force of a motor in a state where detergent, washing water and laundry are put in the drum.

도 1은 종래기술에 따른 드럼 세탁기(10)를 개략적으로 도시한 개념도이다.1 is a conceptual diagram schematically showing a drum washing machine 10 according to the prior art.

도 1을 참조하면, 일반적으로 드럼 세탁기(10)는 외관을 형성하는 하우징(210)과, 하우징(210)의 내부에 설치되며 세탁수가 담겨지는 원통형상의 터브(220)와, 터브(220)의 내부에 회전 가능하게 설치되어 세탁물을 세탁하는 원통형상의 드럼(230)을 포함한다.Referring to FIG. 1, a drum washing machine 10 generally includes a housing 210 forming an exterior, a cylindrical tub 220 installed inside the housing 210 and containing wash water, and a tub 220. It is rotatably installed therein includes a cylindrical drum 230 for washing laundry.

터브(220)의 후부에는 드럼(230)을 회전시키는 구동모터 및 회전축(233)이 배치되고, 하우징(210) 전면의 개방부(이하 '제1개방부(211)'라 한다)에는 도어(100)가 설치된다.A drive motor and a rotating shaft 233 for rotating the drum 230 are disposed at the rear of the tub 220, and a door (hereinafter, referred to as a 'first opening portion 211') in the front of the housing 210. 100) is installed.

하우징(210)의 상부 전방에는 세제가 저장되는 세제박스(14)가 설치되며, 그 후방에는 외부에서 세탁수를 공급받아 세제박스(14)로 공급하는 세탁수 공급관(13)이 형성된다.A detergent box 14 for storing detergent is installed at an upper front of the housing 210, and a washing water supply pipe 13 for receiving washing water from the outside and supplying the washing water to the detergent box 14 is formed.

세제박스(14) 내부를 거친 세탁수는 세제박스(14)와 터브(220) 상부를 연결하는 급수관을 통해 터브(220) 내부로 유입되고, 터브(220) 내부에 설치된 드럼(230) 내부로 유입되어 세탁물과 접촉된다.The washing water passing through the detergent box 14 is introduced into the tub 220 through the water supply pipe connecting the detergent box 14 and the tub 220 to the inside of the tub 220 and into the drum 230 installed in the tub 220. It enters and comes into contact with the laundry.

드럼(230)의 내주부에는 내향 돌출되게 형성된 복수개의 리프터가 상호 이격되게 배치되어, 드럼(230)이 회전하게 되면 각 리프터에 의해 세탁물과 세탁수가 상부로 올려진 후에 하방으로 떨어지면서 세탁물에 물리적인 힘을 가하며 세탁을 수행하게 된다.A plurality of lifters formed to protrude inwardly are disposed on the inner circumferential portion of the drum 230, and when the drum 230 rotates, the laundry and the wash water fall upward after being lifted upward by each lifter, thereby physically removing the laundry. The washing is performed while applying force.

터브(220)와 드럼(230)의 전방부에는 개방부(이하에서는 각각 '제2개방부(221)', '제3개방부(231)'라 한다)가 형성되어 도어(100)를 열면 제2, 3개방부(221, 231)를 통해 드럼(230)에 세탁물을 넣거나 드럼(230)으로부터 꺼낼 수 있다.Openings (hereinafter, referred to as 'second open portions 221' and 'third open portions 231') are formed at the front portions of the tub 220 and the drum 230 to open the door 100. The laundry may be put into or taken out of the drum 230 through the second and third openings 221 and 231.

도어(100)를 닫으면 터브(220)와 드럼(230)이 외부로부터 밀폐되어 상기와 같은 세탁수 공급 및 드럼(230) 회전에 의해 세탁물을 세탁하게 되며, 세탁과정에서 오염된 세탁수는 배수펌프(15)와 배수관(16)을 통해 터브(220) 외부로 배출된다.
When the door 100 is closed, the tub 220 and the drum 230 are sealed from the outside to wash the laundry by the washing water supply and the drum 230 rotation as described above, and the washing water contaminated during the washing process is a drain pump. It is discharged to the outside of the tub 220 through the 15 and the drain pipe (16).

관련 선행기술로는 대한민국 등록특허공보 제10-0255707호(2000.02.16. 등록, 발명의 명칭 : 드럼세탁기의 도어구조)가 있다.
A related prior art is Korean Patent Registration No. 10-0255707 (registered on February 16, 2000, entitled "Drum Washing Machine Door Structure").

종래의 드럼 세탁기의 드럼은 회전축에 의해 일측부가 편중되게 지지된 상태로 회전하게 되며, 회전축의 반대측(타측)에는 세탁물을 내부로 투입가능한 개방부가 형성된다.The drum of the conventional drum washing machine is rotated in a state in which one side is unevenly supported by the rotating shaft, and an opening portion into which laundry can be introduced into the opposite side (the other side) of the rotating shaft is formed.

세탁물이 드럼 내부에 투입된 상태에서 회전 시, 개방부가 형성된 타측부가 중력에 의해 처진 상태로 회전하게 된다.When the laundry is rotated while the laundry is put into the drum, the other side formed with the opening is rotated in a drooping state by gravity.

드럼의 회전 시 드럼 전체가 회전축과 동축상에 위치되지 못한 상태에서 회전축에 연동하여 회전됨에 따라, 드럼의 진동이 발생하게 되며, 회전축에 부하가 과중하게 치중되어 세탁기의 수명이 저하된다는 문제점이 있었다.As the entire drum is rotated in conjunction with the rotating shaft in a state where the entire drum is not coaxial with the rotating shaft, vibration of the drum occurs, and a heavy load is placed on the rotating shaft, thereby reducing the life of the washing machine. .

본 발명은 드럼을 양측부(일측부와 타측부)에서 안정적으로 축지지함으로써 드럼의 진동으로 인한 소음과, 세탁기의 수명 저하를 해결할 수 있는 드럼 세탁기의 도어장치를 제공하는 것을 목적으로 한다.
An object of the present invention is to provide a drum washing machine door device that can solve the noise caused by the vibration of the drum and the decrease in the life of the washing machine by supporting the drum stably on both sides (one side and the other side).

본 발명의 일측면에 따른 드럼 세탁기의 도어장치는, 드럼 세탁기의 외관을 형성하며, 세탁물을 내부로 투입가능하게 제1개방부가 형성되는 하우징; 상기 제1개방부에 대응되는 위치에 제2개방부를 구비하여 상기 하우징 내부에 설치되며, 세탁수가 수용되는 터브; 상기 제1, 2개방부에 대응되는 위치에 제3개방부를 구비하여 상기 터브 내부에 회전가능하게 설치되며, 상기 제1, 2, 3개방부를 통해 내부에 세탁물이 투입되는 드럼; 상기 제1개방부를 개폐가능하게 상기 하우징에 결합되는 외부도어; 및 상기 제2, 3개방부를 동시에 개폐가능하게 상기 제2, 3개방부에 걸쳐 형성되며, 상기 드럼을 회전시키는 회전축과 대향되게 위치되고 상기 드럼을 회전가능하게 축지지하는 내부도어;를 포함하는 것을 특징으로 한다.According to an aspect of the present invention, there is provided a door apparatus of a drum washing machine, including: a housing which forms an exterior of a drum washing machine and has a first open portion formed therein to allow laundry to be loaded into the laundry; A tub having a second open portion at a position corresponding to the first open portion, installed in the housing, and configured to accommodate wash water; A drum having a third open portion at a position corresponding to the first and second open portions, the drum being rotatably installed in the tub and having laundry loaded into the tub through the first, second and third open portions; An outer door coupled to the housing to open and close the first opening; And an inner door formed across the second and third openings to simultaneously open and close the second and third openings, the inner door being positioned opposite to a rotational shaft for rotating the drum and rotatably supporting the drum. It is characterized by.

본 발명에서 상기 내부도어는, 상기 제2개방부에 대응되는 형상을 가지고, 상기 제2개방부의 내면부에 접촉되게 설치되며, 상기 터브에 개폐가능하게 결합되는 터브개폐부; 상기 제3개방부에 대응되는 형상을 가지고, 상기 제3개방부의 내면부에 접촉되게 설치되며, 상기 드럼에 연동하여 회전되는 드럼개폐부; 및 상기 터브개폐부와 상기 드럼개폐부를 연결하며, 상기 드럼의 회전축과 동축상에 위치되고, 상기 드럼개폐부에 연동하여 회전되는 회전축부;를 포함하는 것을 특징으로 한다.In the present invention, the inner door has a shape corresponding to the second opening portion, the tub opening and closing portion is installed in contact with the inner surface portion of the second opening portion, the tub opening and closing coupled to the tub; A drum opening / closing part having a shape corresponding to the third opening part, installed to be in contact with the inner surface part of the third opening part, and being rotated in association with the drum; And a rotating shaft portion connecting the tub opening and closing portion and the drum opening and closing portion, coaxially located with the rotating shaft of the drum, and rotating in cooperation with the drum opening and closing portion.

본 발명에서 상기 드럼개폐부는, 상기 제3개방부의 내면부에 밀착되는 내부프레임부; 및 상기 내부프레임부보다 확장된 너비로 형성되어 상기 내부프레임부와의 경계부에 상기 제3개방부의 외측단부가 걸리는 걸림턱을 형성하는 외부프레임부;를 포함하는 것을 특징으로 한다.In the present invention, the drum opening and closing portion, the inner frame portion in close contact with the inner surface portion of the third opening; And an outer frame portion formed to have a width wider than the inner frame portion to form a latching jaw to which an outer end portion of the third open portion is caught at a boundary with the inner frame portion.

본 발명에서 상기 회전축부는, 상기 드럼개폐부에 일체로 고정설치되는 고정연결부; 상기 터브개폐부에 회전가능하게 설치되는 회전연결부; 및 상기 고정연결부와 상기 회전연결부를 동축상에 연결하는 연장부;를 포함하는 것을 특징으로 한다.
In the present invention, the rotating shaft portion, the fixed connection portion fixedly installed integrally with the drum opening and closing portion; A rotary connection part rotatably installed on the tub opening / closing part; And an extension part connecting the fixed connection part and the rotary connection part coaxially.

본 발명의 실시예에 의하면, 내부도어와 회전축이 동축상에서 드럼의 전, 후방부를 각각 지지하는 안정된 드럼 지지구조를 구현할 수 있다.According to an embodiment of the present invention, a stable drum support structure in which the inner door and the rotating shaft support the front and rear portions of the drum on the coaxial axis can be realized.

드럼의 전방부가 내부도어에 의해 지지됨에 따라, 드럼의 전방부가 드럼 내부에 수용된 세탁물, 세탁수의 중량에 의해 처지는 것을 방지할 수 있다.As the front part of the drum is supported by the inner door, it is possible to prevent the front part of the drum from sagging by the weight of the laundry and the wash water accommodated in the drum.

이에 따라, 기존에 드럼 전체가 회전축과 동축상에 위치되지 못한 상태에서 회전축에 연동하여 회전됨에 따라 발생되던 드럼의 진동과 이에 따른 소음을 해결할 수 있다.Accordingly, it is possible to solve the vibration of the drum and the resulting noise, which is generated as the entire drum is rotated in conjunction with the rotary shaft in a state in which the entire drum is not coaxial with the rotary shaft.

또한, 드럼의 중량, 드럼 내부에 수용된 세탁물, 세탁수의 중량이 드럼의 진동에 의해 회전축에 과중하게 치중되어 작용함에 따른 세탁기의 수명 저하를 해결할 수 있다.
In addition, the weight of the drum, the laundry contained in the drum, the weight of the wash water can be solved to reduce the life of the washing machine due to the heavy weight of the drum acts by the vibration of the drum.

도 1은 종래기술에 따른 드럼 세탁기를 개략적으로 도시한 단면도이다.
도 2는 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치 중 내부도어가 닫힌 상태를 도시한 사시도이다.
도 3은 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치 중 외부도어와 내부도어가 닫힌 상태를 개략적으로 도시한 단면도이다.
도 4는 도 3의 A부분을 확대하여 도시한 단면도이다.
도 5는 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치 중 외부도어와 내부도어가 모두 열린 상태를 도시한 사시도이다.
도 6은 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치 중 외부도어와 내부도어가 모두 열린 상태를 도시한 단면도이다.1 is a cross-sectional view schematically showing a drum washing machine according to the prior art.
Figure 2 is a perspective view showing a state in which the inner door is closed of the door apparatus of the drum washing machine according to an embodiment of the present invention.
3 is a cross-sectional view schematically showing a state in which an outer door and an inner door of the drum washing machine according to an embodiment of the present invention are closed.
4 is an enlarged cross-sectional view of portion A of Fig.
5 is a perspective view illustrating a state in which both the outer door and the inner door are opened in the door apparatus of the drum washing machine according to an embodiment of the present invention.
Figure 6 is a cross-sectional view showing a state in which both the outer door and the inner door of the door washing machine of the drum washing machine according to an embodiment of the present invention.

이하, 첨부된 도면을 참조하여 본 발명에 따른 드럼 세탁기의 도어장치의 일실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of a door washing machine of the drum washing machine according to the present invention.

이 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다.In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다. 그러므로, 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.
In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

도 2는 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치 중 내부도어가 닫힌 상태를 도시한 사시도이고, 도 3은 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치 중 외부도어와 내부도어가 닫힌 상태를 개략적으로 도시한 단면도이며, 도 4는 도 3의 A부분을 확대하여 도시한 단면도이다.Figure 2 is a perspective view showing a state in which the inner door of the door washing machine of the drum washing machine closed according to an embodiment of the present invention, Figure 3 is an outer door and the inner door of the door device of the drum washing machine according to an embodiment of the present invention. Is a cross-sectional view schematically showing a closed state, and FIG. 4 is an enlarged cross-sectional view of part A of FIG. 3.

도 5는 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치 중 외부도어와 내부도어가 모두 열린 상태를 도시한 사시도이고, 도 6은 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치 중 외부도어와 내부도어가 모두 열린 상태를 도시한 단면도이다.5 is a perspective view illustrating a state in which both the outer door and the inner door are opened in the door apparatus of the drum washing machine according to an embodiment of the present invention, and FIG. It is sectional drawing which shows the state in which both the door and the inner door were opened.

도 2, 3를 참조하면, 본 발명의 일실시예에 따른 드럼세탁기의 도어장치(200)는, 하우징(210), 터브(220), 드럼(230), 외부도어(240), 내부도어(250)를 포함한다.2 and 3, the door device 200 of the drum washing machine according to an embodiment of the present invention, the housing 210, the tub 220, the drum 230, the outer door 240, the inner door ( 250).

하우징(210)은 드럼세탁기(10)의 외관을 형성하며, 세탁물을 내부로 투입가능하게 제1개방부(211)(도 1, 6 참조)가 형성된다.The housing 210 forms an outer appearance of the drum washing machine 10, and a first opening 211 (see FIGS. 1 and 6) is formed to allow laundry to be introduced into the drum washing machine 10.

터브(220)는 세탁수가 수용되는 수조를 이루어 하우징(210) 내부에 설치되며, 제1개방부(211)에 대응되는 위치에 원형의 제2개방부(221)(도 1, 6 참조)가 형성된다.The tub 220 is installed in the housing 210 by forming a water tank in which washing water is accommodated, and a circular second opening 221 (see FIGS. 1 and 6) is disposed at a position corresponding to the first opening 211. Is formed.

드럼(230)은 내부에 세탁물을 수용, 저장가능한 공간부를 구비하여 터브(220) 내부에 회전가능하게 설치되며, 제1, 2개방부(211, 221)에 대응되는 위치에 원형의 제3개방부(231)(도 1, 6 참조)가 형성된다.The drum 230 is rotatably installed in the tub 220 having a space portion for accommodating and storing laundry therein, and a third circular opening in a position corresponding to the first and second opening portions 211 and 221. The part 231 (refer FIG. 1, 6) is formed.

세탁물은 제1, 2, 3개방부(211, 221, 231)를 통해 드럼(230) 내부에 투입되고, 터브(220) 내부로 유입된 세탁수에 잠긴 상태로 드럼(230)의 회전에 의해 드럼(230)의 상부로 이동되고 낙하되는 것을 반복하면서 세탁이 이루어지게 된다.The laundry is introduced into the drum 230 through the first, second, and third open parts 211, 221, and 231, and is rotated by the drum 230 while being immersed in the washing water introduced into the tub 220. The washing is performed while repeatedly moving to the top of the drum 230 and falling.

외부도어(240)는 회동에 의해 하우징(210)의 전면부에 형성된 제1개방부(211)를 개폐가능하게 하우징(210)에 힌지결합된다.The outer door 240 is hinged to the housing 210 to open and close the first open portion 211 formed on the front portion of the housing 210 by rotation.

이하에서는 제1, 2, 3개방부(211, 221, 231)가 형성된 하우징(210), 터브(220), 드럼(230)의 일측을 전방, 회전축(233)이 설치된 타측을 후방으로 두고 설명하기로 한다.Hereinafter, one side of the housing 210, the tub 220, and the drum 230 in which the first, second, and third open parts 211, 221, and 231 are formed, and the other side where the rotating shaft 233 is installed, will be described later. Let's do it.

내부도어(250)는 제2, 3개방부(221, 231)를 동시에 개폐가능하게 제2, 3개방부(221, 231)에 걸쳐 설치되고, 회동에 의해 개폐가능하게 터브(220)에 힌지결합된다.The inner door 250 is installed over the second and third openings 221 and 231 to open and close the second and third openings 221 and 231 at the same time, and is hinged to the tub 220 to be opened and closed by rotation. Combined.

내부도어(250)는 제2, 3개방부(221, 231)상에 설치됨에 따라 드럼(230)의 회전축(233)과 대향되게 위치하게 된다.As the inner door 250 is installed on the second and third openings 221 and 231, the inner door 250 is positioned to face the rotation shaft 233 of the drum 230.

내부도어(250)는 드럼(230)을 회전가능하게 축지지하도록 원형의 제2, 제3개방부(221, 231)상에 동심원을 이루어 설치되어, 회전축(233)과 함께 드럼(230)의 전, 후방부를 지지하게 된다.The inner door 250 is installed in a concentric manner on the circular second and third open portions 221 and 231 so as to rotatably support the drum 230, and together with the rotating shaft 233 of the drum 230. I will support the rear part.

본 발명의 일실시예에 따른 내부도어(250)는, 터브개폐부(251), 드럼개폐부(253), 회전축부(256)를 포함한다.The inner door 250 according to an embodiment of the present invention includes a tub opening and closing part 251, a drum opening and closing part 253, and a rotating shaft part 256.

터브개폐부(251)는 제2개방부(221)에 대응되는 원형의 형상을 가지고, 제2개방부(221)의 내면부에 접촉되게 설치되며, 연결부(252)에 의해 터브(220)에 힌지결합된다.The tub opening and closing part 251 has a circular shape corresponding to the second opening part 221, is installed to be in contact with the inner surface of the second opening part 221, and hinged to the tub 220 by the connection part 252. Combined.

연결부(252)는 터브개폐부(251)의 회동에 의해 제2개방부(221)를 개폐가능하게 터브개폐부(251)와 터브(220)를 힌지연결한다.The connection part 252 hinges the tub opening / closing part 251 and the tub 220 so that the second opening part 221 can be opened and closed by the rotation of the tub opening / closing part 251.

연결부(252)는 터브(220)와 터브개폐부(251)의 힌지연결할 수 있다면 특정한 구조와 형상으로 한정되지 않으며, 기존의 드럼 세탁기의 도어(도 1 참조)의 힌지연결 구조 등에 개시된 실시예를 따르므로 그 상세한 설명을 생략한다.The connection part 252 is not limited to a specific structure and shape as long as the tub 220 and the tub opening / closing part 251 can be hinged, and according to the embodiments disclosed in the hinge connection structure of the door of the conventional drum washing machine (see FIG. 1). Therefore, detailed description thereof will be omitted.

드럼개폐부(253)는 제3개방부(231)에 대응되는 형상을 가지고, 제3개방부(231)의 내면부에 접촉, 밀착되게 설치되며, 드럼(230)의 회전 시 드럼(230)과 함께 연동하여 회전된다.The drum opening / closing part 253 has a shape corresponding to the third opening part 231 and is installed in contact with and in close contact with the inner surface of the third opening part 231, and the drum 230 and the drum 230 when the drum 230 rotates. Are rotated together.

도 3, 4를 참조하면, 본 발명의 일실시예에 따른 드럼개폐부(253)는 내부프레임부(254)와 외부프레임부(255)를 포함한다.3 and 4, the drum opening and closing part 253 according to an embodiment of the present invention includes an inner frame part 254 and an outer frame part 255.

내부프레임부(254)는 제3개방부(231)의 내면부에 대응되는 외면부 형상을 가지는 고리형상(링형상)으로 형성되며, 내부도어(250)가 닫힌 상태에서 제3개방부(231)의 내면부에 밀착된다.The inner frame part 254 is formed in an annular shape (ring shape) having an outer surface shape corresponding to the inner surface part of the third open part 231, and the third open part 231 in a state where the inner door 250 is closed. It is in close contact with the inner surface part of the

외부프레임부(255)는 내부프레임부(254)보다 확장된 너비를 가지는 원판형상을 가지고 내부프레임부(254)의 전방부에 연결형성된다.The outer frame portion 255 has a disc shape having an extended width than the inner frame portion 254 and is connected to the front portion of the inner frame portion 254.

이에 따라, 외브프레임부(255)와 내부프레임부(254)간의 경계부에는 제3개방부(231)의 외측단부(전방단부)가 걸려 구속되는 걸림턱이 형성된다.Accordingly, at the boundary between the outer frame portion 255 and the inner frame portion 254, a locking step is formed in which the outer end portion (front end portion) of the third open portion 231 is caught and restrained.

드럼개폐부(253)가 제3개방부(231)상에서 드럼(230) 내측으로 가압력을 받게 되어도, 외부프레임부(255)와 내부프레임부(254) 사이에 형성된 상기 걸림턱에 의해 드럼(230) 내측으로의 이동이 구속된다.Even when the drum opening / closing part 253 is pressed against the inside of the drum 230 on the third opening part 231, the drum 230 is formed by the locking step formed between the outer frame part 255 and the inner frame part 254. Movement inward is constrained.

이에 따라, 내부도어(250)가 닫힌 상태에서, 내부프레임부(254)는 외부프레임부(255)가 제3개방부(231)의 전방단부에 걸려 구속된 상태를 일정하게 유지하게 되며, 내부도어(250) 개폐 작동의 신뢰성을 확보할 수 있다.Accordingly, in the state in which the inner door 250 is closed, the inner frame part 254 maintains a constant state in which the outer frame part 255 is caught by the front end of the third open part 231 and is restrained. The reliability of the door 250 opening and closing operation can be ensured.

회전축부(256)는 터브개폐부(251)와 드럼개폐부(253)를 연결한다.The rotary shaft 256 connects the tub opening and closing part 251 and the drum opening and closing part 253.

회전축부(256)는 전방부, 후방부가 각각 터브개폐부(251)와 드럼개폐부(253)에 연결된 상태에서, 회전축(233)과 동축상에 위치되며, 드럼(230)과 동일 변위로 회전되는 드럼개폐부(253)에 연동하여 동일 변위로 회전된다.The rotary shaft 256 is located coaxially with the rotary shaft 233 with the front and rear portions connected to the tub opening / closing portion 251 and the drum opening / closing portion 253, respectively, and the drum is rotated with the same displacement as the drum 230. In conjunction with the opening and closing portion 253 is rotated at the same displacement.

도 4를 참조하면 본 발명의 일실시예에 따른 회전축부(256)는, 고정연결부(257), 회전연결부(258), 연장부(259)를 포함한다.Referring to FIG. 4, the rotation shaft unit 256 according to an embodiment of the present invention includes a fixed connection part 257, a rotation connection part 258, and an extension part 259.

고정연결부(257)는 회전축부(256)의 후방부에 위치되며, 드럼개폐부(253)에 일체로 고정설치된다.The fixed connection part 257 is located at the rear part of the rotation shaft part 256, and is fixedly installed in the drum opening and closing part 253 integrally.

회전연결부(258)는 회전축부(256)의 전방부에 위치되며, 베어링부재 등에 의해 터브개폐부(251)에 회전가능하게 설치된다.The rotary connector 258 is located at the front of the rotary shaft unit 256, it is rotatably installed on the tub opening and closing portion 251 by a bearing member or the like.

연장부(259)는 고정연결부(257)와 회전연결부(258)를 동축으로 연결하여, 고정연결부(257)의 회전변위를 회전연결부(258)에 그대로 전달한다.The extension part 259 connects the fixed connection part 257 and the rotation connection part 258 coaxially, and transmits the rotational displacement of the fixed connection part 257 to the rotation connection part 258 as it is.

드럼(230)이 회전축(233)에 의해 회전되면, 내부도어(250) 중 제3개방부(231)의 내면부에 결합(밀착)된 드럼개폐부(253)가 드럼(230)과 동일 변위로 회전되고, 드럼개폐부(253)와 연결된 회전축부(256) 또한 정위치에서 동일 변위로 회전된다.When the drum 230 is rotated by the rotation shaft 233, the drum opening / closing portion 253 coupled (closely) to the inner surface of the third opening portion 231 of the inner door 250 may be in the same displacement as the drum 230. Rotating, the rotating shaft portion 256 connected to the drum opening and closing portion 253 is also rotated in the same position at the same displacement.

상기와 같은 구성을 가지는 본 발명에 의하면, 도 5, 6에 도시된 바와 같이 외부도어(240)와 내부도어(250)를 순차적으로 개방시킨 상태에서 제1, 2, 3개방부(211, 221, 231)를 통해 드럼(230) 내부로 세탁물을 투입할 수 있다.According to the present invention having the configuration as described above, as shown in Figs. 5 and 6, the first, second and third open parts 211 and 221 in the state in which the outer door 240 and the inner door 250 are sequentially opened. Laundry may be introduced into the drum 230 through the 231.

이때, 내부도어(250)는 제1개방부(211)보다 작은 너비로 형성되어, 제1개방부(211)를 통해 하우징(210)의 전방부 외측으로 회동되며 제2, 3개방부(221, 231)를 개방시킬 수 있다.At this time, the inner door 250 is formed to have a smaller width than the first opening portion 211, and is rotated to the outside of the front portion of the housing 210 through the first opening portion 211, the second, third opening portion 221 231 may be opened.

세탁물을 투입한 후에는 내부도어(250)와 외부도어(240)를 모두 닫은 후, 세탁수를 터브(220) 내부로 공급하고, 구동모터로 회전축(233)을 구동시켜 드럼(230)을 회전시키면서 세탁을 수행할 수 있다.After the laundry is put in, both the inner door 250 and the outer door 240 are closed, and the washing water is supplied into the tub 220, and the rotating shaft 233 is driven by the driving motor to rotate the drum 230. The washing can be carried out while.

상기와 같은 구성을 가지는 본 발명의 일실시예에 따른 드럼 세탁기의 도어장치(200)에 의하면, 내부도어(250)와 회전축(233)이 동축상에서 드럼(230)의 전, 후방부를 각각 지지하게 된다.According to the door apparatus 200 of the drum washing machine according to an embodiment of the present invention having the configuration as described above, the inner door 250 and the rotating shaft 233 to support the front and rear portions of the drum 230 on the same coaxial axis, respectively. do.

드럼(230)의 전방부가 내부도어(250)에 의해 지지됨에 따라, 드럼(230) 내부에 수용된 세탁물, 세탁수의 중량에 의해 드럼(230)의 전방부가 처지는(기울어지는) 것을 방지할 수 있다.As the front part of the drum 230 is supported by the inner door 250, it is possible to prevent the front part of the drum 230 from sagging (tilting) due to the weight of the laundry and washing water contained in the drum 230. .

이에 따라, 기존에 드럼(230) 전체가 회전축(233)과 동축상에 위치되지 못한 상태에서 회전축(233)에 연동하여 회전됨에 따라 발생되던 드럼(230)의 진동과 이에 따른 소음을 해결할 수 있다.Accordingly, it is possible to solve the vibration of the drum 230, which is generated as the entire drum 230 is rotated in conjunction with the rotary shaft 233 in a state in which the entire drum 230 is not coaxial with the rotary shaft 233, and thus noise. .

또한, 드럼(230)의 중량, 드럼(230) 내부에 수용된 세탁물, 세탁수의 중량(전단력)이 드럼(230)의 진동에 의해 회전축(233)에 과중하게 치중되어 작용함에 따른 세탁기의 수명 저하를 해결할 수 있다.
In addition, the weight of the drum 230, the laundry contained in the drum 230, the weight (shearing force) of the wash water is heavily weighted on the rotating shaft 233 by the vibration of the drum 230, reducing the life of the washing machine Can be solved.

본 발명은 도면에 도시된 실시예를 참고로 하여 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 기술적 보호범위는 아래의 특허청구범위에 의해서 정하여져야 할 것이다.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the technical scope of the present invention should be defined by the following claims.

10 : 드럼 세탁기 200 : 드럼 세탁기의 도어장치
210 : 하우징 211 : 제1개방부
220 : 터브 221 : 제2개방부
230 : 드럼 231 : 제3개방부
233 : 회전축 240 : 외부도어
250 : 내부도어 251 : 터브개폐부
252 : 연결부 253 : 드럼개폐부
254 : 내부프레임부 255 : 외부프레임부
256 : 회전축부 257 : 고정연결부
258 : 회전연결부 259 : 연장부10: drum washing machine 200: door washing machine of the drum washing machine
210: housing 211: first open portion
220: tub 221: second open portion
230: drum 231: third open
233: axis of rotation 240: external door
250: inner door 251: opening and closing the tub
252: connecting portion 253: drum opening and closing
254: inner frame portion 255: outer frame portion
256: rotating shaft portion 257: fixed connection portion
258: rotational connection 259: extension

Claims (4)

드럼 세탁기의 외관을 형성하며, 세탁물을 내부로 투입가능하게 제1개방부가 형성되는 하우징;
상기 제1개방부에 대응되는 위치에 제2개방부를 구비하여 상기 하우징 내부에 설치되며, 세탁수가 수용되는 터브;
상기 제1, 2개방부에 대응되는 위치에 제3개방부를 구비하여 상기 터브 내부에 회전가능하게 설치되며, 상기 제1, 2, 3개방부를 통해 내부에 세탁물이 투입되는 드럼;
상기 제1개방부를 개폐가능하게 상기 하우징에 결합되는 외부도어; 및
상기 제2, 3개방부를 동시에 개폐가능하게 상기 제2, 3개방부에 걸쳐 형성되며, 상기 드럼을 회전시키는 회전축과 대향되게 위치되고 상기 드럼을 회전가능하게 축지지하는 내부도어;
를 포함하는 것을 특징으로 하는 드럼 세탁기의 도어장치.
A housing which forms an exterior of the drum washing machine and has a first open portion formed to enable laundry to be loaded into the drum washing machine;
A tub having a second open portion at a position corresponding to the first open portion, installed in the housing, and configured to accommodate wash water;
A drum having a third open portion at a position corresponding to the first and second open portions, the drum being rotatably installed in the tub and having laundry loaded into the tub through the first, second and third open portions;
An outer door coupled to the housing to open and close the first opening; And
An inner door formed across the second and third openings to simultaneously open and close the second and third openings, the inner door being positioned opposite to a rotational shaft for rotating the drum and rotatably supporting the drum;
Door apparatus for a drum washing machine comprising a.
제1항에 있어서,
상기 내부도어는,
상기 제2개방부에 대응되는 형상을 가지고, 상기 제2개방부의 내면부에 접촉되게 설치되며, 상기 터브에 개폐가능하게 결합되는 터브개폐부;
상기 제3개방부에 대응되는 형상을 가지고, 상기 제3개방부의 내면부에 접촉되게 설치되며, 상기 드럼에 연동하여 회전되는 드럼개폐부; 및
상기 터브개폐부와 상기 드럼개폐부를 연결하며, 상기 회전축과 동축상에 위치되고, 상기 드럼개폐부에 연동하여 회전되는 회전축부;
를 포함하는 것을 특징으로 하는 드럼 세탁기의 도어장치.
The method of claim 1,
The inner door is,
A tub opening / closing portion having a shape corresponding to the second opening portion, installed to be in contact with the inner surface portion of the second opening portion, and configured to be openable and coupled to the tub;
A drum opening / closing part having a shape corresponding to the third opening part, installed to be in contact with the inner surface part of the third opening part, and being rotated in association with the drum; And
A rotary shaft part connecting the tub opening and closing part and the drum opening and closing part, coaxially located with the rotary shaft, and rotating in conjunction with the drum opening and closing part;
Door apparatus for a drum washing machine comprising a.
제2항에 있어서,
상기 드럼개폐부는,
상기 제3개방부의 내면부에 밀착되는 내부프레임부; 및
상기 내부프레임부보다 확장된 너비로 형성되어 상기 내부프레임부와의 경계부에 상기 제3개방부의 외측단부가 걸리는 걸림턱을 형성하는 외부프레임부;
를 포함하는 것을 특징으로 하는 드럼 세탁기의 도어장치.
3. The method of claim 2,
The drum opening and closing portion,
An inner frame part in close contact with an inner surface of the third open part; And
An outer frame portion formed to have a width greater than that of the inner frame portion to form a locking step for engaging the outer end portion of the third open portion at a boundary with the inner frame portion;
Door apparatus for a drum washing machine comprising a.
제2항에 있어서,
상기 회전축부는,
상기 드럼개폐부에 일체로 고정설치되는 고정연결부;
상기 터브개폐부에 회전가능하게 설치되는 회전연결부; 및
상기 고정연결부와 상기 회전연결부를 동축상에 연결하는 연장부;
를 포함하는 것을 특징으로 하는 드럼 세탁기의 도어장치.3. The method of claim 2,
The rotating shaft portion,
A fixed connection part fixedly installed in the drum opening and closing part;
A rotary connection part rotatably installed on the tub opening / closing part; And
An extension part connecting the fixed connection part and the rotary connection part coaxially;
Door apparatus for a drum washing machine comprising a.
KR1020120046752A 2012-05-03 2012-05-03 Door apparatus for drum washing machine KR20130123544A (en)

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