KR20090012698U - Friction damper for washing machine - Google Patents

Friction damper for washing machine Download PDF

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Publication number
KR20090012698U
KR20090012698U KR2020080007646U KR20080007646U KR20090012698U KR 20090012698 U KR20090012698 U KR 20090012698U KR 2020080007646 U KR2020080007646 U KR 2020080007646U KR 20080007646 U KR20080007646 U KR 20080007646U KR 20090012698 U KR20090012698 U KR 20090012698U
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KR
South Korea
Prior art keywords
cap
washing machine
bar
friction
guide
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Application number
KR2020080007646U
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Korean (ko)
Inventor
최영철
Original Assignee
삼천산업 주식회사
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Priority to KR2020080007646U priority Critical patent/KR20090012698U/en
Publication of KR20090012698U publication Critical patent/KR20090012698U/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
    • D06F37/24—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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation 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
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • D06F37/268—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups for suspension devices
    • 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
    • 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
    • F16F1/00—Springs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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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

본 고안은 세탁물의 세탁 및 탈수시 세탁조의 회전에 의해 발생하는 진동과 소음을 흡수 저감하는 세탁기용 진동흡수장치에 관한 것이다.The present invention relates to a vibration absorbing device for a washing machine to absorb and reduce the vibration and noise generated by the rotation of the washing tank during washing and dehydration of the laundry.

이를 위해 본 고안은 바아(1)가 관통하는 캡(2)과, 이 캡(2)의 하부면에 형성된 스프링 지지 서포터(2b)에 탄발 설치되는 스프링(3) 및, 이 캡(2)의 하부면에 맞추어져 결합되고 내부에 관통하는 바아(1) 둘레에 배치되는 우레탄 재질의 마찰 보강재(4)가 내장되어 이루어진 가이드(5)를 갖춘 세탁기용 진동저감장치에 있어서, 상기 캡(2)의 하부면 중앙에는 마찰 보강재(4) 지지용 스톱퍼(6)들이 돌출 형성되고, 상기 가이드(5) 상단에는 윤활 그리스가 저장되는 그리스 포켓(7)이 형성되어 이루어진 구조로 되어 있다.To this end, the present invention provides a cap 2 through which the bar 1 penetrates, a spring 3 installed in the spring support supporter 2b formed on the lower surface of the cap 2, and the cap 2 of the cap 2. A vibration reducing device for a washing machine having a guide (5) having a urethane friction reinforcing material (4) embedded therein which is fitted to fit on a lower surface and penetrates a bar (1) penetrating therein, the cap (2). The stopper 6 for supporting the friction reinforcing material 4 protrudes from the center of the lower surface of the lower surface of the lower surface, and a grease pocket 7 in which lubricating grease is stored is formed at the upper end of the guide 5.

Description

세탁기용 진동흡수장치{Friction damper for washing machine}Vibration absorption device for washing machine {Friction damper for washing machine}

본 고안은 세탁물의 세탁 및 탈수시 세탁조의 회전에 의해 발생하는 진동과 소음을 흡수 저감하는 세탁기용 진동흡수장치에 관한 것이다.The present invention relates to a vibration absorbing device for a washing machine to absorb and reduce the vibration and noise generated by the rotation of the washing tank during washing and dehydration of the laundry.

통상적으로 가정용 세탁기는 도 1에 도시된 바와 같이 직육면체 형태의 하우징(100) 내에 원통형의 터브(101)가 설치되고 이 터브(101) 아래에 모터(102)가 장착되어 세탁시 상기 터브(101)를 정역방향으로 회전 구동시켜 세탁물을 세탁하게 되어 있으며, 상기 하우징(100)의 내부 각 모서리 부위에는 세탁기 상판과 터브(101)의 외측 하단부를 연결시키어 이 터브(101)를 세탁기 공간에서 현수시킨 상태로 지지하여 터브(101)가 정역방향으로 회전할 때 상하좌우 방향의 진동을 흡수하는 서스펜션 진동저감장치(103)가 설치되어 있다.Typically, a household washing machine has a cylindrical tub 101 installed in a cuboid-shaped housing 100 as shown in FIG. 1, and a motor 102 is mounted under the tub 101 to wash the tub 101. It is rotated in the forward and reverse direction to wash the laundry, and each of the inner corner of the housing 100 is connected to the upper end of the washing machine and the tub 101, the tub 101 is suspended in the washing machine space Suspension vibration reduction device 103 is provided which absorbs the vibrations in the up, down, left and right directions when the tub 101 rotates in the forward and reverse directions.

이 같은 역할을 수행하는 세탁기의 진동저감장치(103) 중 종래 본 출원인에 의해 출원되어 특허된 대한민국 등록특허 제799,632호는 도 4에 도시된 바와 같이 바아(11)가 관통하는 중공부를 가지면서 스프링(13)이 접촉하여 지지되는 캡(12)과 이 캡(12)의 내측과 상기 바아(11)와의 사이에 소정 공간에 조립되는 가이드(15) 및 상기 가이드(15)에 형성되는 소정공간 내부에 안착되는 우레탄 재질의 마찰 보 강재(14)로 이루어져 있었다.Republic of Korea Patent No. 799,632 filed and patented by the present applicant of the conventional vibration reducing device 103 of the washing machine to perform such a role has a hollow portion through which the bar 11 penetrates as shown in FIG. Inside the predetermined space formed in the guide (15) and the guide (15) assembled in a predetermined space between the cap (12) contacted and supported by the inner side of the cap (12) and the bar (11) It consisted of a frictional stiffener (14) of urethane material seated on.

상기와 같은 종래 세탁기의 진동저감장치는 상기 캡(12)의 높이(h)가 낮게 설정되어 세탁기 구동시 터브(101)와 이 진동저감장치(103)가 분리되는 현상과 이 터브(101)와 진동저감장치(103)의 마찰소음 방지용 윤활유인 그리스가 상기 캡(12) 내부로 유입되는 바아(11)와 우레탄 재질의 마찰 보강재(14) 간의 마찰 및 소음방지용 그리스와 혼입되어 고유특성을 발휘하지 못하는 문제점 등이 제기되어 왔다.Vibration reducing device of the conventional washing machine as described above is the height (h) of the cap 12 is set to a low phenomenon that the tub 101 and the vibration reducing device 103 when the washing machine is driven and the tub 101 and Grease, which is an anti-friction lubricant lubricant of the vibration reducing device 103, is mixed with the anti-friction and noise preventing grease between the bar 11 and the urethane material friction reinforcing material 14 introduced into the cap 12 so as not to exhibit unique characteristics. Problems have not been raised.

이에 본 고안은 상기와 같은 종래 문제점인 즉, 본 출원인에 의해 특허된 대한민국 등록특허 제799,632호의 문제점을 해결하기 위해 안출된 것으로, 우레탄 재질의 마찰 보강재와 바아 마찰시 발생하는 열변형을 방지하여 장기간 사용시 댐퍼력 변화를 최소화 하면서 바아 습동시 이 마찰 보강재의 이탈을 방지하도록 이루어진 세탁기용 진동저감장치를 제공함에 그 목적이 있다.The present invention is devised to solve the problems of the prior art as described above, that is, the Republic of Korea Patent No. 799,632, which is patented by the applicant, and prevents thermal deformation generated when friction with the bar friction friction material of the urethane material for a long time It is an object of the present invention to provide a vibration reducing device for a washing machine, which is configured to prevent the friction reinforcement from falling off when the bar slides while minimizing the change of the damper force during use.

상기와 같은 목적을 달성하기 위한 본 고안은 바아가 관통하는 캡과 이 캡의 하부면에 형성된 스프링 지지 서포터에 탄발 설치되는 스프링 및 이 캡의 하부면에 맞추고 내부에 관통하는 바아 둘레에 배치되는 우레탄 재질의 마찰 보강재가 내장되어 이루어진 가이드를 갖춘 세탁기용 진동저감장치에 있어서, 상기 캡의 하부면 중앙에는 우레탄 지지용 서포터들이 돌출형성되고 상기 가이드 상단에는 윤활 그리스와 저장되는 그리스 포켓이 형성되어 이루어진 구조로 되어 있다.The present invention for achieving the above object is a spring penetratingly installed on the cap through which the bar penetrates and a spring support supporter formed on the lower surface of the cap, and a urethane disposed around the bar penetrating into the lower surface of the cap and penetrating therein. In the vibration reducing device for a washing machine having a guide having a built-in friction reinforcing material, the urethane support supporters protrude from the center of the lower surface of the cap and a grease pocket is formed on the top of the guide to store lubricating grease. It is.

상기와 같이 본 고안에 따른 세탁기용 진동저감장치는 세탁기 작동시 바아와 마찰 보강재의 마찰 열변형을 윤활 그리스의 지속적인 공급으로 저감시키어 장기간 사용시에도 댐퍼력 변화를 최소화시키고, 바아에 습동하는 마찰 보강재의 이탈 방지도 이루어지는 효과를 갖는다.As described above, the vibration reduction device for a washing machine according to the present invention reduces the frictional heat deformation of the bar and the friction reinforcement by the continuous supply of lubricating grease when the washing machine is operated, thereby minimizing the change of the damper force even when used for a long time, and the friction reinforcement that slides on the bar. The departure prevention also has the effect made.

이하, 본 고안을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail based on the accompanying drawings.

도 2와 도 3은 본 고안에 따른 세탁기용 진동저감장치(103)를 도시한 것으로, 도 2는 본 고안의 결합 단면도이고, 도 3의 (A)는 본 고안에 따른 가이드의 사시도이고, 도 3의 (B)는 본 고안에 따른 캡의 사시도이다.2 and 3 show a vibration reduction device 103 for a washing machine according to the present invention, Figure 2 is a sectional view of the combination of the present invention, Figure 3 (A) is a perspective view of the guide according to the present invention, Figure 3 (B) is a perspective view of a cap according to the present invention.

본 고안은 바아(1)가 관통하는 캡(2)과, 이 캡(2)의 하부면에 형성된 스프링 지지 서포터(2b)에 탄발 설치되는 스프링(3) 및, 이 캡(2)의 하부면에 맞추어져 결합되고 내부에 관통하는 바아(1) 둘레에 배치되는 우레탄 재질의 마찰 보강재(4)가 내장되어 이루어진 가이드(5)를 갖춘 세탁기용 진동저감장치에 있어서, 상기 캡(2)의 하부면 중앙에는 마찰 보강재(4) 지지용 스톱퍼(6)들이 돌출 형성되고, 상기 가이드(5) 상단에는 윤활 그리스가 저장되는 그리스 포켓(7)이 형성되어 이루어진 구조로 되어 있다.The present invention provides a cap 2 through which the bar 1 penetrates, a spring 3 installed on the spring support supporter 2b formed on the lower surface of the cap 2, and a lower surface of the cap 2. A vibration reducing device for a washing machine having a guide (5) having a urethane friction reinforcing material (4) embedded therein, which is coupled to and fitted around a bar (1) penetrating therein, the lower part of the cap (2). Stopper 6 for supporting the friction reinforcing material 4 protrudes in the center of the surface, and a grease pocket 7 for storing lubricating grease is formed at the upper end of the guide 5.

여기서 상기 마찰 보강재(4) 지지용 스톱퍼(6)들은 도 3의 (B)에 도시된 바와 같이 캡(2)에 형성된 바아(1) 관통구멍을 중심으로 그 둘레에 4개 정도가 등각도로 형성되어 있는데, 필요에 따라 이 마찰 보강재(4) 지지용 스톱퍼(6)의 개수는 증감하여 설정할 수 있다.Wherein the stopper (6) for supporting the friction reinforcing material (4) is formed around the bar (1) through hole formed in the cap (2) as shown in Fig. 3 (B) around the periphery about four Although the number of the stoppers 6 for supporting this friction reinforcement material 4 is increased or decreased as needed, it can set.

그리고 상기 가이드(5) 상단에 도 3의 (A)와 같이 형성된 그리스 포켓(7)은 윤활 그리스가 담겨지는 부위로서 우레탄 재질의 마찰 보강재(4)와 바아(1) 마찰시 발생하는 마찰 열변형을 감소시키며 장기간 사용시에도 댐퍼력 저하를 최소화시키도록 작용하게 된다.And the grease pocket (7) formed on the top of the guide (5) as shown in Fig. 3 (A) is a frictional deformation of the urethane material friction bar 4 and the bar (1) as a portion containing the lubricating grease This function reduces the damper force and reduces the damper force even during long-term use.

또한 세탁기 작동시 상기 가이드(5)에 내장된 마찰 보강재(4)가 바아(1)와의 습동시 이 마찰 보강재(4)의 이탈을 방지하기 위해 다수 개의 마찰 보강재 지지용 스톱퍼(6)들이 캡(2)의 하부 중앙에 설치되어 작용하게 된다.In addition, in order to prevent the friction reinforcement 4 embedded in the guide 5 when the washing machine operates with the bar 1, the stopper 6 for supporting the friction reinforcement 4 is prevented from being detached. It is installed in the center of the lower part of 2).

그리고 상기 캡(2)의 상단부를 기존 높이에 비해 신장된 연장 선단부(2a)로 설계하여 세탁기 작동시 터브(101)로 윤활 그리스가 유입되는 것을 방지하도록 되어 있다.The upper end of the cap 2 is designed as an extended tip 2a that is extended compared to the existing height to prevent lubrication grease from flowing into the tub 101 when the washing machine is operated.

도 1은 통상적인 세탁기에 진동저감장치가 설치된 상태를 보여주는 세탁기 부분 절개 사시도,1 is a perspective view of a partial washing machine showing a state in which a vibration reducing device is installed in a conventional washing machine;

도 2는 본 고안에 따른 세탁기용 진동흡수장치의 단면도,Figure 2 is a cross-sectional view of the vibration absorbing device for a washing machine according to the present invention,

도 3 (A)와 (B)는 본 고안의 요부 사시도들,3 (A) and (B) are perspective views of main parts of the present invention,

도 4는 종래 세탁기용 진동흡수장치로서, 도 2에 대응되는 단면도이다.4 is a vibration absorbing device for a conventional washing machine, which is a cross-sectional view corresponding to FIG. 2.

-도면의 주요부분에 대한 부호의 설명-Explanation of symbols on the main parts of the drawing

1 : 바아, 2 : 캡,1: bar, 2: cap,

3 : 스프링, 4 : 마찰 보강재,3: spring, 4: friction reinforcement,

5 : 가이드, 6 : 스톱퍼,5: guide, 6: stopper,

7 : 그리스 포켓.7: Grease pocket.

Claims (2)

바아(1)가 관통하는 캡(2)과, 이 캡(2)의 하부면에 형성된 스프링 지지 서포터(2b)에 탄발 설치되는 스프링(3) 및, 이 캡(2)의 하부면에 맞추어져 결합되고 내부에 관통하는 바아(1) 둘레에 배치되는 우레탄 재질의 마찰 보강재(4)가 내장되어 이루어진 가이드(5)를 갖춘 세탁기용 진동저감장치에 있어서,The cap 2 through which the bar 1 penetrates, the spring 3 installed in the spring support supporter 2b formed in the lower surface of this cap 2, and the lower surface of this cap 2 are matched. In the vibration reducing device for a washing machine having a guide (5) made of a built-in urethane friction reinforcing material (4) that is coupled around the bar (1) to penetrate therein, 상기 캡(2)의 하부면 중앙에는 마찰 보강재(4) 지지용 스톱퍼(6)들이 돌출 형성되고, 상기 가이드(5) 상단에는 윤활 그리스가 저장되는 그리스 포켓(7)이 형성되어 이루어진 것을 특징으로 하는 세탁기용 진동저감장치.A stopper 6 for supporting the friction reinforcement 4 protrudes from the center of the lower surface of the cap 2, and a grease pocket 7 for storing lubricating grease is formed on the top of the guide 5. Vibration reduction device for the washing machine. 제 1항에 있어서,The method of claim 1, 상기 캡(2)의 상단부는 신장된 연장 선단부(2a)로 형성된 것을 특징으로 하는 세탁기용 진동저감장치.The upper end of the cap (2) vibration reduction device for a washing machine, characterized in that formed by the extended leading end (2a).
KR2020080007646U 2008-06-09 2008-06-09 Friction damper for washing machine KR20090012698U (en)

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CN102251374A (en) * 2011-03-21 2011-11-23 海尔集团公司 Damping suspension rods of washing machine
WO2012005534A3 (en) * 2010-07-09 2012-05-31 Lg Electronics Inc. Method for operating clothes treating apparatus
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US20150191860A1 (en) * 2014-01-06 2015-07-09 Samsung Electronics Co., Ltd. Damper and washing machine including the same
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CN108070982A (en) * 2016-11-10 2018-05-25 青岛海尔洗衣机有限公司 A kind of damping device of washing machine and washing machine
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WO2012005534A3 (en) * 2010-07-09 2012-05-31 Lg Electronics Inc. Method for operating clothes treating apparatus
US8806775B2 (en) 2010-07-09 2014-08-19 Lg Electronics Inc. Method for operating clothes treating apparatus
CN102251374A (en) * 2011-03-21 2011-11-23 海尔集团公司 Damping suspension rods of washing machine
CN102851919A (en) * 2012-08-31 2013-01-02 海尔集团公司 Washer hanging device and washer
US20150191860A1 (en) * 2014-01-06 2015-07-09 Samsung Electronics Co., Ltd. Damper and washing machine including the same
CN105316898B (en) * 2014-07-11 2018-05-04 Lg电子株式会社 Washing machine
US9963814B2 (en) 2014-07-11 2018-05-08 Lg Electronics Inc. Washing machine
CN105316898A (en) * 2014-07-11 2016-02-10 Lg电子株式会社 Washing machine
US9951454B2 (en) 2014-07-11 2018-04-24 Lg Electronics Inc. Washing machine
CN105316897A (en) * 2014-07-11 2016-02-10 Lg电子株式会社 Washing machine
CN106120246A (en) * 2015-05-04 2016-11-16 三星电子株式会社 Damping unit and the washing machine including this damping unit
CN108070982A (en) * 2016-11-10 2018-05-25 青岛海尔洗衣机有限公司 A kind of damping device of washing machine and washing machine
US11142859B2 (en) 2016-11-10 2021-10-12 Chongqing Haier Drum Washing Machine Co., Ltd. Damping device for a washing machine, and washing machine
WO2019061957A1 (en) * 2017-09-30 2019-04-04 无锡小天鹅股份有限公司 Shock absorber for washing machine and washing machine having same
CN109594295A (en) * 2017-09-30 2019-04-09 无锡小天鹅股份有限公司 The damper of washing machine and washing machine with it
US11293128B2 (en) 2017-09-30 2022-04-05 Wuxi Little Swan Electric Co., Ltd. Shock absorber for washing machine and washing machine having the same
CN107663741A (en) * 2017-10-09 2018-02-06 无锡小天鹅股份有限公司 Hang shock mitigation system and washing machine
CN109736050A (en) * 2019-02-11 2019-05-10 昌邑市永富弹簧有限公司 Rotary drum washing machine damping assembly
KR102503961B1 (en) * 2022-01-24 2023-02-27 삼천산업 주식회사 Friction reinforcing member and vibration absorbing module for washing machine including the same
WO2023140639A1 (en) * 2022-01-24 2023-07-27 삼천산업 주식회사 Friction-reinforcing member and vibration-absorbing module, for washing machine, including same

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