KR20020045005A - damping leg structure in the washing machine - Google Patents

damping leg structure in the washing machine Download PDF

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Publication number
KR20020045005A
KR20020045005A KR1020000074286A KR20000074286A KR20020045005A KR 20020045005 A KR20020045005 A KR 20020045005A KR 1020000074286 A KR1020000074286 A KR 1020000074286A KR 20000074286 A KR20000074286 A KR 20000074286A KR 20020045005 A KR20020045005 A KR 20020045005A
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KR
South Korea
Prior art keywords
washing machine
damping
vibration
drum
elastic member
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KR1020000074286A
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Korean (ko)
Inventor
김영일
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구자홍
엘지전자주식회사
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Priority to KR1020000074286A priority Critical patent/KR20020045005A/en
Publication of KR20020045005A publication Critical patent/KR20020045005A/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
    • 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
    • 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

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

Abstract

PURPOSE: A structure of damping legs for a drum washing machine is provided to reduce strike or walking of legs on the floor surface due to vibration generated from a washer body. CONSTITUTION: A structure of damping legs for a drum washing machine includes supporters(3) and damping parts(10). Each of the supporter is has an end connected to each edge part of a lower surface of a washer body, and a length of the supporter, which protrudes to the lower surface of the washer body, is controllable. The damping part is disposed at the other end of the supporter to absorb vibration of the washer body. The damping part has a receiving part(21) opened at a side, an elastic member(22) mounted inside the receiving part, and an interlock part(23). The interlock part has a side contacted to the elastic member and the other side fixed to the other end of the supporter, and is vertically operated by vibration of the washer body.

Description

드럼세탁기용 댐핑레그 구조{damping leg structure in the washing machine}Damping leg structure for drum washing machine

본 발명은 드럼세탁기의 댐핑레그 구조에 관한 것으로서, 더욱 상세하게는 레그의 구조를 개선하여 세탁기의 레그가 바닥면을 치거나 워킹하는 것을 저감하는 데 그 목적이 있다.The present invention relates to a damping leg structure of a drum washing machine, and more particularly, to improve the structure of the leg to reduce the legs of the washing machine hitting or walking the floor.

종래의 드럼세탁기는 본체, 드럼, 모터부, 댐퍼, 고정레그 등으로 구성되어 있다.The conventional drum washing machine is composed of a main body, a drum, a motor part, a damper, a fixing leg, and the like.

상기 모터부와 드럼은 세탁기 내부에서 상호 연결되어 있어 모터부에 전원이 인가되면 모터부에 의해 드럼이 회전하면서 세탁 및 탈수 작용을 행한다.The motor unit and the drum are connected to each other inside the washing machine so that when the power is applied to the motor unit, the drum rotates by the motor unit to perform washing and dehydration.

이때, 드럼의 회전에 의해 드럼은 진동하게 되고, 상기 드럼의 외측면에 장착된 댐퍼에 의해 그 진동을 흡수한다.At this time, the drum is vibrated by the rotation of the drum, and the vibration is absorbed by a damper mounted on the outer surface of the drum.

상기 댐퍼에 의해 흡수되지 못한 진동은 본체의 하면 각 모서리부에 장착된 고정레그에 전달된다.Vibration not absorbed by the damper is transmitted to the fixing legs mounted to the corners of the lower surface of the main body.

이하, 도 1은 종래의 드럼세탁기용 고정레그의 구조를 나타낸 정면도로서, 이를 참조하여 종래의 고정래그에 관해 설명하면 다음과 같다.1 is a front view showing the structure of a conventional drum washing machine fixed leg, with reference to this will be described in the conventional fixing lag as follows.

드럼세탁기 본체(1)의 하면 체결부가 고정되고, 상기 체결부에는 중심부에 나사홈이 형성된 체결공이 형성되어 고정레그(2)의 일단부가 체결된다.The bottom fastening portion of the drum washing machine main body 1 is fixed, and a fastening hole having a screw groove is formed in the center of the drum washing machine, and one end of the fixing leg 2 is fastened.

상기 고정레그(2)는 원형단면을 갖는 막대 형상의 지지대(3)와 지지대(3)의 타단부에 고정된 고정부(4)로 구성된다.The fixing leg 2 is composed of a rod-shaped support 3 having a circular cross section and a fixing portion 4 fixed to the other end of the support 3.

상기 지지대(3)는 그 외주부에 체결부의 나사홈과 대응되는 나사산이 형성되어 있으므로 지지대(3)를 회전시켜 본체(1)의 하면으로 돌출된 길이의 조절이 가능하도록 체결된다.Since the support 3 is formed with a screw thread corresponding to the screw groove of the fastening part in the outer peripheral portion thereof, the support 3 is rotated so that the length of the support projecting to the lower surface of the main body 1 can be adjusted.

한편, 일반적인 실내의 바닥면은 눈으로 보기에는 수평면을 갖는 것으로 보이지만 실제에 있어서는 바닥면이 굴곡되어 있거나 일정한 경사를 이루고 있는 경우가 대부분이다.On the other hand, in general, the floor surface in the room seems to have a horizontal plane to the eye, but in reality, the floor surface is curved or has a constant slope in most cases.

설치자는 바닥면과 각 고정부(4)의 하면이 잘 접촉하고 있는 지를 확인하기 위해 세탁기의 본체(1)를 잡고 흔들면서 어느 고정부의 하면이 접촉되지 않았는지를 확인한다.The installer checks that the bottom surface of each fixing unit is not in contact by shaking the main body 1 of the washing machine to check whether the bottom surface and the lower surface of each fixing unit 4 are in contact with each other.

그리고, 특정 고정부(4)의 하면이 바닥면에 접촉하지 않을 경우 설치자가 고정부(4)를 잡고 일정한 방향으로 회전시킴에 의해 하면으로 돌출된 고정부(4)의 길이를 조절하여 본체(1)의 수평을 맞춘다.In addition, when the lower surface of the specific fixing part 4 does not contact the bottom surface, the installer adjusts the length of the fixing part 4 protruding to the lower surface by holding the fixing part 4 and rotating it in a predetermined direction. Level 1).

이와 같이 드럼세탁기를 설치한 후 드럼에 세탁물을 넣고 모터부에 의해 드럼을 회전시켜 세탁물의 세탁 및 탈수를 하게된다.Thus, after the drum washing machine is installed, the laundry is put in the drum and the drum is rotated by the motor unit to wash and dehydrate the laundry.

이와 같이 배치된 고정레그(2) 구조를 갖는 종래의 드럼세탁기는 다음과 같은 문제점이 있다.The conventional drum washing machine having the fixed leg 2 structure disposed as described above has the following problems.

세탁물의 세탁 및 탈수 동작에 따라 드럼은 회전하게 되고, 이 회전에 의해 세탁기의 본체(1)는 진동하게 된다.The drum rotates according to the washing and dewatering operation of the laundry, and the main body 1 of the washing machine vibrates by the rotation.

이 진동은 세탁기 본체(1)의 하면 각 모서리부에 설치된 고정레그(2)에 전달된다.This vibration is transmitted to the fixing legs 2 installed at each corner of the lower surface of the washing machine body 1.

이에 따라, 드럼의 내부에서 세탁물의 무게중심이 드럼의 회전중심에 대해 편중되거나 세탁물을 탈수하기 위해 드럼이 고속회전을 하는 경우, 상기 고정레그(2)가 진동을 흡수하지 않고 바닥면에 그대로 전달하기 때문에 세탁기가 워킹(walking)하거나 바닥면을 치는 문제점이 있다.Accordingly, if the center of gravity of the laundry in the drum is biased with respect to the center of rotation of the drum or the drum rotates at a high speed in order to dehydrate the laundry, the fixing leg 2 is transmitted to the floor without absorbing vibration. Therefore, there is a problem that the washing machine walks or hits the floor.

또한, 상기 본체(1)의 수평이 잘 맞지 않으면 드럼이 회전할 때 세탁기의 본체(1)가 뒤뚱거리면서 흔들리게 되어 소음이 심해지며, 본체(1)의 흔들림에 의해 세탁기의 워킹이 심해져 본체의 위치가 변경된다.In addition, if the horizontality of the main body 1 is not well matched, the main body 1 of the washing machine shakes when the drum rotates, and the noise is increased. The shaking of the main body 1 causes the walking of the washing machine to become severe, The position of is changed.

이는 본체(1)의 흔들림이 역으로 드럼에 전달되어 드럼의 진동을 보다 증가시키기 때문이다.This is because the shaking of the main body 1 is transmitted to the drum in reverse, which further increases the vibration of the drum.

한편, 상기 워킹이란 본체(1)의 진동을 전달받은 고정레그(2)가 바닥면을 미끄러지면서 조금씩 움직이는 현상을 말한다.On the other hand, the walking refers to a phenomenon in which the fixed leg 2 received the vibration of the main body 1 moves little by little while sliding the bottom surface.

상기 문제점을 해결하기 위해서, 본 발명은 드럼세탁기 하면의 각 모서리부에 설치되는 레그의 구조를 개선하여 바닥면에 전달되는 진동을 저감함으로써 세탁기의 워킹이나 레그가 바닥면을 치는 현상을 보다 저감시키도록 한 것이다.In order to solve the above problems, the present invention improves the structure of the legs installed on each corner of the bottom of the drum washing machine to reduce the vibration transmitted to the bottom surface to further reduce the phenomenon of walking or leg hitting the bottom surface of the washing machine It is to be.

도 1은 종래의 드럼세탁기용 고정레그의 구조를 나타낸 정면도.1 is a front view showing the structure of a fixing leg for a conventional drum washing machine.

도 2는 본 발명에 따른 드럼세탁기용 댐핑레그 구조를 나타낸 요부단면도.Figure 2 is a main cross-sectional view showing a damping leg structure for a drum washing machine according to the present invention.

도 3은 본 발명의 다른 실시예를 나타낸 단면도.3 is a cross-sectional view showing another embodiment of the present invention.

도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings

3 : 지지대10 : 댐핑레그3: support 10: damping leg

20 : 댐핑부21 : 수용부20 damping part 21 receiving part

22 : 탄성부재23 : 연동부22: elastic member 23: linkage

상기 문제점을 해결하기 위해, 본 발명은 본체 하면의 각 모서리부에 일단부가 체결되어 하면으로 돌출된 길이가 조절가능하도록 된 지지대와, 상기 지지대의 타단부에 본체의 진동을 흡수하도록 댐핑부가 설치되는 드럼세탁기용 댐핑레그 구조를 제공한다.In order to solve the above problems, the present invention includes a support having one end coupled to each corner of the lower surface of the main body such that a length protruding to the lower surface is adjustable, and a damping unit installed at the other end of the support to absorb vibration of the main body. It provides a damping leg structure for a drum washing machine.

본 발명은 전술한 드럼세탁기의 고정레그 구조와 동일한 부분에 대해서는 동일한 도번을 부여하고 동일한 구성에 있어서는 그 설명을 생략하기로 한다.In the present invention, the same parts as those of the fixed leg structure of the aforementioned drum washing machine will be given the same reference number, and the description thereof will be omitted.

이하, 도 2 및 도 3을 참조하여 본 발명에 따른 드럼세탁기용 댐핑레그 구조에 관하여 설명하면 다음과 같다.Hereinafter, a damping leg structure for a drum washing machine according to the present invention will be described with reference to FIGS. 2 and 3.

도 2는 본 발명에 따른 댐핑레그 구조를 나타낸 요부단면도이고, 도 3은 본 발명의 다른 실시예를 나타낸 단면도이다.2 is a cross-sectional view showing a main part of the damping leg structure according to the present invention, and FIG. 3 is a cross-sectional view showing another embodiment of the present invention.

도 2 및 도 3을 참조하면, 상기 댐핑레그(10)는 본체(1)의 하면 각 모서리부에 일단부가 설치된 지지대(3)와, 상기 지지대(3)의 타단부에 고정된 댐핑부(20)로구성된다.2 and 3, the damping leg 10 includes a support 3 having one end at each corner of the lower surface of the main body 1 and a damping part 20 fixed to the other end of the support 3. It consists of

상기 댐핑부(20)는 수용부(21), 탄성부재(22), 연동부(23)로 구성되는데, 상기 수용부(21)는 일측면이 개방된 상자형으로 형성되어 있다.The damping portion 20 is composed of a receiving portion 21, the elastic member 22, the interlocking portion 23, the receiving portion 21 is formed in a box shape with one side open.

상기 수용부(21)는 일측면이 개방된 다면체 또는 원통형의 상자형으로 형성될 수도 있다.The accommodating portion 21 may be formed in a box shape of a polyhedron or a cylindrical one side is open.

수용부(21)의 내부에는 탄성부재(22)가 설치되며, 상기 탄성부재(22)는 판스프링 또는 압축 코일스프링일 수 있다.An elastic member 22 is installed inside the accommodating portion 21, and the elastic member 22 may be a leaf spring or a compression coil spring.

탄성부재(22)의 상부에 설치된 연동부(23)는 상하로 동작가능하도록 수용부(21)의 내부에 설치된다.The interlocking portion 23 installed on the upper portion of the elastic member 22 is installed inside the accommodating portion 21 to be able to operate up and down.

따라서, 상기 연동부(23)가 상하로 동작하는 동안, 연동부(23)는 상당히 큰 하중을 탄성부재(22)에 전달하게 되므로 상기 탄성부재(22)는 탄성강도가 큰 것이 사용되어야 한다.Therefore, while the linking unit 23 operates up and down, the linking unit 23 transmits a considerably large load to the elastic member 22, so that the elastic member 22 should have a high elastic strength.

상기 연동부(23)는 탄성부재(22)와 연동하여 상하로 동작하는 동안에 수용부(21)의 내부에서 탈거되지 않도록 설치되어야 한다.The interlocking portion 23 should be installed so as not to be removed from the inside of the accommodating portion 21 while operating up and down in conjunction with the elastic member 22.

또한, 판스프링은 "U"형상으로 양끝단부가 상기 연동부(23)의 하면에 접하도록 설치되므로, 상기 연동부(23)가 세탁기의 진동에 의해 판스프링을 가압하면 양끝단부가 수용부(21)의 내면방향으로 각각 슬라이딩하면서 확장되게 된다.In addition, the leaf spring is installed in the shape of "U" so that both ends are in contact with the lower surface of the interlocking portion 23, when the interlocking portion 23 presses the leaf spring by the vibration of the washing machine, both ends are accommodating portion ( 21 are expanded while sliding in the inner surface direction.

그러므로 판스프링의 양끝단부는 수용부(21) 내면과 일정한 거리를 두도록 설치되는 것이 바람직하다.Therefore, both ends of the leaf spring is preferably provided to be a certain distance from the inner surface of the receiving portion (21).

이와 같은 구조를 갖는 댐핑레그(10)는 본체(1)에 발생된 진동을 하부의 탄성부재(22)에 전달하고, 상기 탄성부재(22)는 일정한 탄성계수에 의해 연동부(23)를 상하로 동작시키면서 진동을 흡수한다.The damping leg 10 having such a structure transmits the vibration generated in the main body 1 to the lower elastic member 22, and the elastic member 22 moves the linkage 23 up and down by a constant elastic modulus. Absorbs vibration while operating.

드럼 내부의 세탁물이 드럼의 회전중심에 대해 무게중심이 편중되도록 배치되거나 세탁물의 탈수시에 드럼이 고속회전하는 경우에는 세탁기의 진동이 심해진다.When the laundry inside the drum is arranged so that the center of gravity is centered with respect to the center of rotation of the drum, or the drum rotates at high speed when the laundry is dewatered, the vibration of the washing machine is severe.

이때, 본체(1)의 내부에서 진동을 제어하는 댐퍼만으로는 발생되는 모든 진동을 흡수할 수 없으므로 상기 댐핑레그(10)에 의해 바닥면에 전달되는 진동을 상당히 저감시킬 수 있다.At this time, since only the damper controlling the vibration inside the main body 1 cannot absorb all the vibrations, the vibration transmitted to the bottom surface by the damping leg 10 can be significantly reduced.

이에 따라, 상기 댐핑레그(10)을 적용한 드럼세탁기는 댐핑레그(10)가 바닥을 치거나 워킹하는 것을 상당히 저감할 수 있게 된다.Accordingly, the drum washing machine to which the damping leg 10 is applied can significantly reduce the damping leg 10 from hitting or walking the floor.

이상에서와 같이, 본 발명은 드럼세탁기의 레그 구조를 개선하여 세탁기 본체에서 발생되는 진동에 의해 각 레그가 바닥면을 치거나 워킹하는 것을 저감시킬 수 있다.As described above, the present invention can improve the leg structure of the drum washing machine to reduce the hitting or walking of each leg by the vibration generated in the main body of the washing machine.

이에 따라, 드럼세탁기의 각 레그에 의해 발생되는 소음을 저감시킬 수도 있다.Thereby, the noise produced by each leg of the drum washing machine can also be reduced.

Claims (3)

본체 하면의 각 모서리부에 일단부가 체결되어 하면으로 돌출된 길이가 조절가능하도록 된 지지대와;A support having one end coupled to each corner of the bottom surface of the main body such that a length protruding toward the bottom surface is adjustable; 상기 지지대의 타단부에 본체의 진동을 흡수하도록 댐핑부를 적용한 드럼세탁기용 댐핑레그 구조.Damping leg structure for drum washing machine to which the damping portion is applied to the other end of the support to absorb the vibration of the main body. 제 1항에 있어서,The method of claim 1, 상기 댐핑부는 일측부가 개방된 상자형상을 갖는 수용부와, 상기 수용부의 내부에 설치된 탄성부재와, 상기 탄성부재에 일측면이 접촉하고 상기 지지대의 타단부에 타측면이 고정되어 본체의 진동에 의해 상하로 동작하는 연동부를 구비한 드럼세탁기용 댐핑레그 구조.The damping part has an accommodating part having a box shape in which one side part is opened, an elastic member installed inside the accommodating part, and one side surface is in contact with the elastic member, and the other side is fixed to the other end of the support by vibration of the main body. Damping leg structure for a drum washing machine having an interlocking part that operates up and down. 제 2 항에 있어서,The method of claim 2, 상기 탄성부재는 판스프링 또는 압축 코일스프링인 것을 특징으로 하는 드럼세탁기용 댐핑레그 구조.The elastic member is a damping leg structure for a drum washing machine, characterized in that the leaf spring or compression coil spring.
KR1020000074286A 2000-12-07 2000-12-07 damping leg structure in the washing machine KR20020045005A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100662139B1 (en) * 2005-09-05 2006-12-27 엘지전자 주식회사 Washing machine
KR100756443B1 (en) * 2001-05-08 2007-09-07 주식회사 엘지이아이 A supporter for washing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100756443B1 (en) * 2001-05-08 2007-09-07 주식회사 엘지이아이 A supporter for washing machine
KR100662139B1 (en) * 2005-09-05 2006-12-27 엘지전자 주식회사 Washing machine

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