KR20120056702A - Lock for door in washing machine - Google Patents

Lock for door in washing machine Download PDF

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Publication number
KR20120056702A
KR20120056702A KR1020100118373A KR20100118373A KR20120056702A KR 20120056702 A KR20120056702 A KR 20120056702A KR 1020100118373 A KR1020100118373 A KR 1020100118373A KR 20100118373 A KR20100118373 A KR 20100118373A KR 20120056702 A KR20120056702 A KR 20120056702A
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KR
South Korea
Prior art keywords
door
protrusion
washing machine
coupling groove
sensing unit
Prior art date
Application number
KR1020100118373A
Other languages
Korean (ko)
Inventor
이재우
Original Assignee
주식회사 대우일렉트로닉스
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Publication date
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Priority to KR1020100118373A priority Critical patent/KR20120056702A/en
Publication of KR20120056702A publication Critical patent/KR20120056702A/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
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • 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
    • D06F37/18—Doors or covers; 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
    • D06F37/26—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
    • 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
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/40—Opening or locking status of doors
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/44—Opening, closing or locking of doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/312—Application of doors, windows, wings or fittings thereof for domestic appliances for washing machines or laundry dryers

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

Abstract

PURPOSE: A lock for door in washing machine is provided to accurately detect the opening and the operation of a door lock by detecting the close state of a door through physical contact. CONSTITUTION: A lock for door in washing machine comprises: a sensing unit installed in an opening portion(12) of a cabinet(10), and detecting the closing of a door(30); a working portion(32) physically contacting to the sensing unit, and transferring the closing to the sensing unit; and a fixing portion(70) fixing the door, and maintaining the close state of the door.

Description

세탁기용 도어 잠금장치 {LOCK FOR DOOR IN WASHING MACHINE}Door lock for washing machine {LOCK FOR DOOR IN WASHING MACHINE}

본 발명은 세탁기용 도어 잠금장치에 관한 것으로서, 특히, 세탁작동 중에 오작동되는 것을 방지할 수 있는 세탁기용 도어 잠금장치에 관한 것이다.
The present invention relates to a door lock device for a washing machine, and more particularly, to a door lock device for a washing machine that can prevent malfunctions during washing operations.

일반적으로 세탁기는 캐비닛과, 캐비닛 내부에 설치되고 세탁수가 담수되는 터브와, 터브에 회전 가능하게 설치되고 세탁물이 수납되는 세탁조와, 세탁조를 회전시켜 세탁작동을 행하는 구동부와, 터브에 세탁수를 공급하는 급수장치와, 세탁작동이 완료된 후에 세탁수를 캐비닛 외부로 배출하는 배수장치를 포함한다.In general, a washing machine is provided with a cabinet, a tub installed inside the cabinet to wash water, a washing tank rotatably installed on the tub and storing laundry, a driving unit rotating the washing tank to perform washing operation, and supplying washing water to the tub. And a drainage device for discharging the wash water to the outside of the cabinet after the washing operation is completed.

캐비닛에는 세탁물이 수납될 수 있도록 개구부가 형성되고, 개구부는 세탁조의 내부와 연통되며, 개구부에 도어가 설치된다.An opening is formed in the cabinet to accommodate laundry, and the opening communicates with the inside of the washing tub, and a door is installed in the opening.

사용자는 도어를 개방하여 세탁조 내부에 세탁물을 수납한 후에 전원을 인가하면 급수장치의 작동에 의해 터브에 세탁수가 공급되고, 구동부의 작동에 의해 세탁조가 회전되면서 세탁작동이 이루어지게 된다.When the user opens the door to store the laundry in the washing tank and then applies power, washing water is supplied to the tub by the operation of the water supply device, and the washing operation is performed while the washing tank is rotated by the driving unit.

도어와 개구부에는 세탁작동 중에 도어가 개방되는 것을 방지하는 잠금장치가 설치된다.The door and the opening are provided with a lock to prevent the door from opening during the washing operation.

상기한 기술구성은 본 발명의 이해를 돕기 위한 배경기술로서, 본 발명이 속하는 기술분야에서 널리 알려진 종래기술을 의미하는 것은 아니다.The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

일반적인 세탁기용 도어 잠금장치는 도어의 닫힘을 감지하는 센서가 오작동되면 세탁작동 중에 도어가 개방될 수 있으므로 안전사고가 발생될 수 있는 문제점이 있다.In general, the door lock device for a washing machine has a problem that a safety accident may occur because the door may be opened during a washing operation when a sensor that detects the closing of the door malfunctions.

따라서 이를 개선할 필요성이 요청된다.Therefore, there is a need for improvement.

본 발명은 세탁작동 중에 오작동되는 것을 방지할 수 있는 세탁기용 도어 잠금장치를 제공하는데 그 목적이 있다.
It is an object of the present invention to provide a door lock device for a washing machine that can prevent malfunctions during washing operations.

상기와 같은 목적을 달성하기 위하여 본 발명은, 캐비닛의 개구부에 설치되어 도어의 닫힘을 감지하는 센싱부; 상기 센싱부와 물리적 접촉을 행하여 상기 센싱부에 상기 도어의 닫힘을 전달하는 작동부; 및 상기 도어를 구속하여 닫힘상태를 유지하는 고정부를 포함하는 것을 특징으로 하는 세탁기용 도어 잠금장치를 제공한다.In order to achieve the above object, the present invention, the sensing unit for detecting the closing of the door is installed in the opening of the cabinet; An operating unit for performing physical contact with the sensing unit to transmit the closing of the door to the sensing unit; And it provides a door lock device for a washing machine comprising a fixing portion for restraining the door to maintain a closed state.

또한, 상기 개구부에는 상기 센싱부가 설치되는 결합홈부가 형성되는 것을 특징으로 한다.In addition, the opening is characterized in that the coupling groove is provided with the sensing unit is formed.

또한, 상기 센싱부는, 상기 결합홈부에 출몰 가능하게 설치되는 돌기; 및 상기 돌기가 상기 결합홈부 외측으로 돌출되게 지지하는 탄성부재를 포함하는 것을 특징으로 한다.In addition, the sensing unit, a protrusion which is installed to be mounted on the coupling groove; And an elastic member supporting the protrusion to protrude outward from the coupling groove.

또한, 상기 작동부는 상기 도어에 설치되고 걸림홀부가 형성되며 상기 결합홈부에 삽입되는 가압돌기를 포함하는 것을 특징으로 한다.In addition, the operation unit is installed on the door, the engaging hole is formed, characterized in that it comprises a pressing projection inserted into the coupling groove.

또한, 상기 고정부는, 상기 결합홈부에 출몰 가능하게 설치되고 상기 걸림홀부에 삽입되는 삽입돌기; 및 상기 삽입돌기를 출몰시키는 액추에이터를 포함하는 것을 특징으로 한다.In addition, the fixing portion, the insertion projection is installed to be retractable to the coupling groove portion is inserted into the engaging hole portion; And characterized in that it comprises an actuator for releasing the insertion projections.

또한, 상기 센싱부는, 상기 결합홈부에 출몰 가능하게 설치되는 돌기; 상기 돌기가 상기 결합홈부 외측으로 돌출되게 지지하는 탄성부재; 및 상기 개구부에 형성되고 상기 탄성부재와 상기 돌기가 슬라이딩 가능하게 설치되는 장착돌기를 포함하는 것을 특징으로 한다.
In addition, the sensing unit, a protrusion which is installed to be mounted on the coupling groove; An elastic member for supporting the protrusion to protrude outward of the coupling groove; And it is characterized in that it comprises a mounting protrusion formed in the opening and the elastic member and the projection is slidably installed.

본 발명에 따른 세탁기용 도어 잠금장치는 도어의 닫힘상태가 물리적 접촉에 의해 감지되므로 도어의 개폐여부 및 도어 잠금장치의 작동여부를 명확히 판단할 수 있어 세탁작동 중에 도어가 개방되는 것을 방지할 수 있는 이점이 있다.
In the door lock device for a washing machine according to the present invention, since the closed state of the door is detected by physical contact, whether the door is opened or closed and whether the door lock device is operated can be clearly determined, thereby preventing the door from being opened during the washing operation. There is an advantage.

도 1은 본 발명의 일 실시예에 따른 도어 잠금장치가 도시된 세탁기가 도시된 사시도이다.
도 2는 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치가 도시된 단면도이다.
도 3은 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치가 도시된 작동 상태도이다.
도 4는 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치의 센싱부 및 고정부가 도시된 단면도이다.
도 5는 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치의 센싱부 및 고정부가 도시된 작동 상태도이다.
도 6은 본 발명의 다른 실시예에 따른 세탁기용 도어 잠금장치가 도시된 단면도이다.
도 7은 본 발명의 다른 실시예에 따른 세탁기용 도어 잠금장치가 도시된 사용 상태도이다.1 is a perspective view of a washing machine showing a door lock according to an embodiment of the present invention.
2 is a cross-sectional view showing a door lock device for a washing machine according to an embodiment of the present invention.
3 is an operating state diagram showing a door lock device for a washing machine according to an embodiment of the present invention.
Figure 4 is a cross-sectional view of the sensing unit and the fixing portion of the door lock device for a washing machine according to an embodiment of the present invention.
5 is an operating state diagram illustrating the sensing unit and the fixing unit of the door lock device for a washing machine according to an embodiment of the present invention.
6 is a cross-sectional view showing a door lock device for a washing machine according to another embodiment of the present invention.
Figure 7 is a state diagram showing the door lock device for a washing machine according to another embodiment of the present invention.

이하, 첨부된 도면들을 참조하여 본 발명에 따른 세탁기용 도어 잠금장치의 일 실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of a door lock device for a washing machine according to the present invention.

이러한 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 용어들로써, 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다.In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom.

그러므로 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Therefore, definitions of these terms should be made based on the contents throughout this specification.

도 1은 본 발명의 일 실시예에 따른 도어 잠금장치가 도시된 세탁기가 도시된 사시도이고, 도 2는 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치가 도시된 단면도이고, 도 3은 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치가 도시된 작동 상태도이다.1 is a perspective view showing a washing machine showing a door lock device according to an embodiment of the present invention, Figure 2 is a cross-sectional view showing a door lock device for a washing machine according to an embodiment of the present invention, Figure 3 It is a state diagram showing the door lock device for a washing machine according to an embodiment of the present invention.

또한, 도 4는 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치의 센싱부 및 고정부가 도시된 단면도이고, 도 5는 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치의 센싱부 및 고정부가 도시된 작동 상태도이다.4 is a cross-sectional view illustrating a sensing part and a fixing part of the door lock device for a washing machine according to an embodiment of the present invention, and FIG. 5 is a sensing part and fixing part of the door lock device for a washing machine according to an embodiment of the present invention. An additionally shown operating state diagram.

도 1 내지 도 5를 참조하면, 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치는 캐비닛(10)의 개구부(12)에 설치되는 도어(30)의 닫힘을 감지하는 센싱부(50)와, 센싱부(50)와 물리적 접촉을 행하여 센싱부(50)에 도어(30)의 닫힘을 전달하는 작동부(32)와, 도어(30)를 구속하여 닫힘상태를 유지하는 고정부(70)를 포함한다.1 to 5, the door lock device for a washing machine according to an embodiment of the present invention includes a sensing unit 50 for detecting the closing of the door 30 installed in the opening 12 of the cabinet 10. , The operation part 32 which transmits the closing of the door 30 to the sensing part 50 by making physical contact with the sensing part 50, and the fixing part 70 which restrains the door 30 to maintain the closed state. It includes.

사용자가 도어(30)를 개방하여 세탁물을 수납하고 도어(30)를 닫으면 작동부(32)가 센싱부(50)와 물리적으로 접촉되므로 센싱부(50)에 의해 도어(30)의 닫힘을 감지하게 되다.When the user opens the door 30 to store the laundry and closes the door 30, the operation unit 32 is in physical contact with the sensing unit 50, so that the sensing unit 50 detects the closing of the door 30. come.

센싱부(50)에 의해 도어(30)의 닫힘이 감지되고 세탁작동이 개시되면 고정부(70)의 작동에 의해 도어(30)가 구속되므로 세탁작동 중에 도어(30)가 개방되는 것을 방지할 수 있게 된다.When the closing of the door 30 is detected by the sensing unit 50 and the washing operation is started, the door 30 is restrained by the operation of the fixing unit 70, thereby preventing the door 30 from being opened during the washing operation. It becomes possible.

따라서 사용자가 세탁작동 중에 도어(30)를 개방하려 도어(30)를 잡고 개구부(12) 외측으로 당겨도 고정부(70)에 의해 도어(30)가 구속된 상태가 유지되므로 사용자는 도어(30)를 열 수 없게 된다.Therefore, even if the user grabs the door 30 to open the door 30 during the washing operation and pulls it out of the opening 12, the door 30 is restrained by the fixing part 70. ) Can't be opened.

여기서, 세탁작동의 개시 및 종료 여부를 감지하여 고정부(70)의 작동여부를 결정하는 제어부(미도시) 및 제어방법은 본 발명의 기술구성을 인지한 당업자가 용이하게 실시할 수 있는 것이므로 구체적인 도면이나 설명은 생략하기로 한다.Here, the control unit (not shown) and the control method for determining whether the fixing unit 70 is operated by detecting whether the washing operation is started or terminated can be easily carried out by those skilled in the art having recognized the technical configuration of the present invention. The drawings and descriptions will be omitted.

개구부(12)에는 센싱부(50)가 설치되는 결합홈부(14)가 형성되므로 도어(30)가 닫혀 개구부(12)에 밀착되면 작동부(32)가 결합홈부(14)에 삽입되면서 작동부(32)와 센싱부(50)의 물리적 접촉이 이루어지게 된다.Since the opening 12 is formed with a coupling groove 14 in which the sensing unit 50 is installed, when the door 30 is closed and in close contact with the opening 12, the operating unit 32 is inserted into the coupling groove 14 while the operating unit 32 is inserted. Physical contact between the 32 and the sensing unit 50 is made.

도어(30)가 닫힌 상태에서는 항상 작동부(32)가 결합홈부(14)에 삽입된 상태를 유지하도록 결합홈부(14)에 대향되는 도어(30)의 저면에 작동부(32)가 설치된다.When the door 30 is closed, the operating part 32 is installed on the bottom surface of the door 30 opposite to the engaging groove 14 so that the operating part 32 is always inserted into the engaging groove 14. .

센싱부(50)는 결합홈부(14)에 출몰 가능하게 설치되는 돌기(52)와, 돌기(52)가 결합홈부(14) 외측으로 돌출되게 지지하는 탄성부재(54)를 포함한다.The sensing unit 50 includes a protrusion 52 which is mounted to the coupling groove 14 so as to be protruded, and an elastic member 54 supporting the protrusion 52 to protrude out of the coupling groove 14.

돌기(52)는 결합홈부(14)의 바닥면에 형성되는 홀부를 통해 수직방향으로 출몰되도록 돌기(52)의 일측 단부가 결합홈부(14)의 내측에 회전 가능하게 설치되고, 돌기(52)의 회전축에는 원주 방향으로 탄성력이 발생되는 스프링으로 이루어지는 탄성부재(54)가 설치된다.The protrusion 52 is rotatably installed inside one side of the coupling groove 14 so that one end of the protrusion 52 is protruded in a vertical direction through a hole formed in the bottom surface of the coupling groove 14. The elastic member 54 made of a spring for generating an elastic force in the circumferential direction is installed on the rotating shaft.

따라서 작동부(32)가 결합홈부(14) 내측으로 삽입되면 작동부(32)가 돌기(52)를 가압하여 탄성부재(54)가 압축되면서 돌기(52)가 이동되므로 물리적 접촉에 의해 도어(30)의 닫힘을 감지할 수 있게 된다.Therefore, when the operating unit 32 is inserted into the coupling groove 14, the operating unit 32 presses the protrusions 52 and the protrusions 52 are moved while the elastic member 54 is compressed, so that the door ( 30 can be detected.

도어(30)가 개방되면 작동부(32)가 결합홈부(14) 외측으로 이탈되므로 탄성부재(54)의 복원력에 의해 돌기(52)가 결합홈부(14)의 바닥면으로부터 상측으로 돌출된다.When the door 30 is opened, the operation part 32 is separated from the outside of the coupling groove 14, so that the protrusions 52 protrude upward from the bottom surface of the coupling groove 14 by the restoring force of the elastic member 54.

작동부(32)는 도어(30)에 설치되고 걸림홀부(34)가 형성되며 결합홈부(14)에 삽입되는 가압돌기(33)를 포함하므로 도어(30)를 닫으면 가압돌기(33)가 결합홈부(14)에 삽입되면서 돌기(52)를 가압하게 된다.The operation part 32 is installed in the door 30, the locking hole 34 is formed and includes a pressing projection 33 is inserted into the coupling groove 14, so closing the door 30, the pressing projection 33 is coupled The protrusion 52 is pressed while being inserted into the groove 14.

이후에, 후술될 고정부(70)의 삽입돌기(72)가 걸림홀부(34)에 삽입되면 작동부(32)가 구속되어 결합홈부(14) 외측으로 이탈되지 못하게 되므로 도어(30)는 개구부(12)에 밀착된 상태를 유지하게 된다.Subsequently, when the insertion protrusion 72 of the fixing part 70 to be described later is inserted into the locking hole 34, the operation part 32 is constrained so that the door 30 may not be separated out of the coupling groove 14. The state in close contact with (12) is maintained.

따라서 세탁작동 중에 걸림홀부(34)에 삽입돌기(72)가 끼워진 상태가 유지되면 사용자가 도어(30)를 개방할 수 없게 되므로 안전사고를 예방할 수 있게 된다.Therefore, if the insertion projection 72 is held in the engaging hole portion 34 while the washing operation is maintained, the user can not open the door 30 can prevent a safety accident.

고정부(70)는 결합홈부(14)에 출몰 가능하게 설치되고 걸림홀부(34)에 삽입되는 삽입돌기(72)와, 삽입돌기(72)를 출몰시키는 액추에이터(74)를 포함한다.The fixing part 70 includes an insertion protrusion 72 which is installed in the coupling groove 14 and is inserted into the engaging hole 34, and an actuator 74 which protrudes the insertion protrusion 72.

작동부(32)에 의해 돌기(52)가 가압되어 도어(30)의 닫힘이 감지되고, 세탁작동이 개시되면 액추에이터(74)가 구동되면서 삽입돌기(72)를 걸림홀부(34) 측으로 이동시키게 된다.The protrusion 52 is pressed by the operating part 32 to sense the closing of the door 30. When the washing operation is started, the actuator 74 is driven to move the insertion protrusion 72 toward the locking hole 34. do.

삽입돌기(72)가 결합홈부(14)에 삽입된 작동부(32)의 걸림홀부(34)에 삽입되면 작동부(32)가 결합홈부(14) 외측으로 이탈될 수 없게 되어 도어(30)의 닫힘상태가 유지된다.
When the insertion protrusion 72 is inserted into the engaging hole 34 of the operation part 32 inserted into the coupling groove 14, the operation part 32 may not be separated out of the coupling groove 14 and the door 30. The closed state of is maintained.

상기와 같이 구성된 본 발명의 일 실시예에 따른 세탁기용 도어 잠금장치의 동작을 살펴보면 다음과 같다.Looking at the operation of the door lock device for a washing machine according to an embodiment of the present invention configured as described above are as follows.

세탁작동을 행하기 위해 사용자가 도어(30)를 열어 세탁조 내부에 세탁물을 수납하고 도어(30)를 닫으면, 작동부(32)가 결합홈부(14)에 삽입되면서 돌기(52)를 가압하여 도어(30)의 닫힘이 감지된다.In order to perform the washing operation, when the user opens the door 30 to store the laundry in the washing tank and closes the door 30, the operation part 32 is inserted into the coupling groove 14 and presses the protrusion 52 to open the door. The closing of 30 is detected.

이후에, 사용자가 전원을 인가하면 제어부로부터 송신되는 신호에 따라 액추에이터(74)가 구동되어 삽입돌기(72)가 걸림홀부(34)에 삽입된다.Subsequently, when the user applies power, the actuator 74 is driven according to a signal transmitted from the control unit so that the insertion protrusion 72 is inserted into the locking hole 34.

세탁작동이 진행되는 동안에는 상기한 바와 같이 삽입돌기(72)가 걸림홀부(34)에 삽입된 상태를 유지하게 되므로 사용자가 도어(30)를 열 수 없게 된다.While the washing operation is in progress, as described above, the insertion protrusion 72 maintains the state inserted into the locking hole 34, so that the user cannot open the door 30.

따라서 세탁작동 중에 도어(30)를 열어 발생하는 안전사고를 예방할 수 있게 된다.Therefore, it is possible to prevent the safety accident caused by opening the door 30 during the washing operation.

세탁작동이 종료되면 액추에이터(74)의 작동에 의해 삽입돌기(72)가 역방향으로 후퇴하므로 걸림홀부(34)로부터 삽입돌기(72)가 분리되어 도어(30)의 개방을 행할 수 있게 된다.When the washing operation is completed, the insertion protrusion 72 is retracted in the reverse direction by the operation of the actuator 74 so that the insertion protrusion 72 is separated from the locking hole 34 to open the door 30.

사용자가 도어(30)를 열어 작동부(32)가 결합홈부(14)로부터 분리되면 탄성부재(54)의 복원력에 의해 돌기(52)가 상측으로 돌출된다.
When the user opens the door 30 and the operation part 32 is separated from the coupling groove 14, the protrusion 52 protrudes upward by the restoring force of the elastic member 54.

도 6은 본 발명의 다른 실시예에 따른 세탁기용 도어 잠금장치가 도시된 단면도이고, 도 7은 본 발명의 다른 실시예에 따른 세탁기용 도어 잠금장치가 도시된 사용 상태도이다.6 is a cross-sectional view showing a door lock device for a washing machine according to another embodiment of the present invention, Figure 7 is a state diagram showing the door lock device for a washing machine according to another embodiment of the present invention.

도 6 및 도 7을 참조하면, 본 발명의 다른 실시예에 따른 세탁기용 도어 잠금장치의 센싱부(150)는 결합홈부(114)에 출몰 가능하게 설치되는 돌기(152)와, 돌기(152)가 결합홈부(114) 외측으로 돌출되게 지지하는 탄성부재(154)와, 개구부(112)에 형성되고 탄성부재(154)와 돌기(152)가 슬라이딩 가능하게 설치되는 장착돌기(156)를 포함한다.6 and 7, the sensing unit 150 of the door lock device for a washing machine according to another embodiment of the present invention includes a protrusion 152 and a protrusion 152 which are installed to be protruded in the coupling groove 114. Includes an elastic member 154 for supporting the coupling groove 114 to protrude outwardly, and a mounting protrusion 156 formed in the opening 112 to slidably install the elastic member 154 and the protrusion 152. .

본 실시예의 돌기(152)는 결합홈부(114)의 일측면으로 출몰되게 설치되고, 돌기(152)에 대향되는 개구부(112) 내벽에 장착돌기(156)가 형성되므로 장착돌기(156)에 돌기(152) 및 탄성부재(154)가 슬라이딩 가능하게 설치될 수 있다.The protrusion 152 of the present embodiment is installed to be protruded to one side of the coupling groove 114, and the mounting protrusion 156 is formed on the inner wall of the opening 112 opposite to the protrusion 152, so the protrusion is mounted on the mounting protrusion 156. The 152 and the elastic member 154 may be slidably installed.

장착돌기(156)에 슬라이딩 가능하게 설치되는 탄성부재(154)는 코일스프링이 설치되므로 돌기(152)가 코일스프링에 의해 장착돌기(156)를 따라 슬라이딩되면서 결합홈부(114) 측으로 가압된다.Since the elastic spring 154 slidably installed on the mounting protrusion 156 is installed with a coil spring, the protrusion 152 is slid along the mounting protrusion 156 by the coil spring and pressed toward the coupling groove 114.

탄성부재(154)에 의해 결합홈부(114) 측으로 돌출된 돌기(152)는 결합홈부(114) 내부로 작동부(132)가 삽입되면 가압돌기(133)에 의해 돌기(152)가 결합홈부(114) 외측으로 이동되면서 탄성부재(154)를 압축시키게 된다.The protrusion 152 protruding toward the coupling groove 114 by the elastic member 154 has a protrusion 152 by the pressing protrusion 133 when the operating part 132 is inserted into the coupling groove 114. 114) the elastic member 154 is compressed while moving to the outside.

이후에 고정부(70 : 도 5 참조)의 작동에 의해 가압돌기(133)가 구속되면서 도어의 잠금상태가 이루어진다.Thereafter, the pressing protrusion 133 is constrained by the operation of the fixing part 70 (see FIG. 5), and thus the door is locked.

이로써, 세탁작동 중에 오작동되는 것을 방지할 수 있는 세탁기용 도어 잠금장치를 제공할 수 있게 된다.
As a result, it is possible to provide a door lock device for a washing machine that can prevent malfunctions during the washing operation.

본 발명은 도면에 도시되는 일 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.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

또한, 세탁기용 도어 잠금장치를 예로 들어 설명하였으나, 이는 예시적인 것에 불과하며, 세탁기가 아닌 다른 제품에도 본 발명의 도어 잠금장치가 사용될 수 있다.In addition, the door lock device for a washing machine has been described as an example, but this is merely illustrative, and the door lock device of the present invention may be used in other products than the washing machine.

따라서 본 발명의 진정한 기술적 보호범위는 아래의 특허청구범위에 의해서 정하여져야 할 것이다.
Therefore, the true technical protection scope of the present invention will be defined by the claims below.

10 : 캐비닛 12 : 개구부
14 : 결합홈부 30 : 도어
32 : 작동부 34 : 걸림홀부
50 : 센싱부 52 : 돌기
54 : 탄성부재 70 : 고정부
72 : 삽입돌기 74 : 액추에이터10 cabinet 12 opening
14: coupling groove 30: door
32: operating part 34: locking hole
50: sensing unit 52: protrusion
54 elastic member 70 fixed part
72: insertion protrusion 74: actuator

Claims (6)

캐비닛의 개구부에 설치되어 도어의 닫힘을 감지하는 센싱부;
상기 센싱부와 물리적 접촉을 행하여 상기 센싱부에 상기 도어의 닫힘을 전달하는 작동부; 및
상기 도어를 구속하여 닫힘상태를 유지하는 고정부를 포함하는 것을 특징으로 하는 세탁기용 도어 잠금장치.
A sensing unit installed in the opening of the cabinet to detect the closing of the door;
An operating unit for performing physical contact with the sensing unit to transmit the closing of the door to the sensing unit; And
And a fixing part for restraining the door to maintain the closed state.
제1항에 있어서,
상기 개구부에는 상기 센싱부가 설치되는 결합홈부가 형성되는 것을 특징으로 하는 세탁기용 도어 잠금장치.
The method of claim 1,
The opening of the door lock device for a washing machine, characterized in that the opening is formed in the coupling groove for the sensing unit is installed.
제2항에 있어서, 상기 센싱부는,
상기 결합홈부에 출몰 가능하게 설치되는 돌기; 및
상기 돌기가 상기 결합홈부 외측으로 돌출되게 지지하는 탄성부재를 포함하는 것을 특징으로 하는 세탁기용 도어 잠금장치.
The method of claim 2, wherein the sensing unit,
A protrusion installed to be protruded into the coupling groove; And
The door locking device for a washing machine, characterized in that it comprises an elastic member for supporting the protrusion to protrude to the outside of the coupling groove.
제2항에 있어서,
상기 작동부는 상기 도어에 설치되고 걸림홀부가 형성되며 상기 결합홈부에 삽입되는 가압돌기를 포함하는 것을 특징으로 하는 세탁기용 도어 잠금장치.
The method of claim 2,
The operating unit is installed on the door, the locking hole is formed, the door lock device for a washing machine, characterized in that it comprises a pressing projection inserted into the coupling groove.
제4항에 있어서, 상기 고정부는,
상기 결합홈부에 출몰 가능하게 설치되고 상기 걸림홀부에 삽입되는 삽입돌기; 및
상기 삽입돌기를 출몰시키는 액추에이터를 포함하는 것을 특징으로 하는 세탁기용 도어 잠금장치.
The method of claim 4, wherein the fixing unit,
An insertion protrusion installed to be protruding from the coupling groove and inserted into the locking hole; And
The door lock device for a washing machine comprising an actuator for releasing the insertion protrusion.
제2항에 있어서, 상기 센싱부는,
상기 결합홈부에 출몰 가능하게 설치되는 돌기;
상기 돌기가 상기 결합홈부 외측으로 돌출되게 지지하는 탄성부재; 및
상기 개구부에 형성되고 상기 탄성부재와 상기 돌기가 슬라이딩 가능하게 설치되는 장착돌기를 포함하는 것을 특징으로 하는 세탁기용 도어 잠금장치.
The method of claim 2, wherein the sensing unit,
A protrusion installed to be protruded into the coupling groove;
An elastic member for supporting the protrusion to protrude outward of the coupling groove; And
And a mounting protrusion formed in the opening and configured to slidably install the elastic member and the protrusion.
KR1020100118373A 2010-11-25 2010-11-25 Lock for door in washing machine KR20120056702A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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KR20140064420A (en) * 2012-11-20 2014-05-28 엘지전자 주식회사 Laundry treatment machine
KR20140064421A (en) * 2012-11-20 2014-05-28 엘지전자 주식회사 Laundry treatment machine
KR20140101129A (en) * 2013-02-08 2014-08-19 엘지전자 주식회사 Laundry treatment apparatus
KR20150059508A (en) * 2013-11-22 2015-06-01 삼성전자주식회사 Washing machine
KR20160067606A (en) * 2014-12-04 2016-06-14 삼성전자주식회사 Washing Machine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140064420A (en) * 2012-11-20 2014-05-28 엘지전자 주식회사 Laundry treatment machine
KR20140064421A (en) * 2012-11-20 2014-05-28 엘지전자 주식회사 Laundry treatment machine
KR20140101129A (en) * 2013-02-08 2014-08-19 엘지전자 주식회사 Laundry treatment apparatus
KR20150059508A (en) * 2013-11-22 2015-06-01 삼성전자주식회사 Washing machine
KR20160067606A (en) * 2014-12-04 2016-06-14 삼성전자주식회사 Washing Machine
USRE48487E1 (en) 2014-12-04 2021-03-30 Samsung Electronics Co., Ltd. Washing machine
KR20210109498A (en) * 2014-12-04 2021-09-06 삼성전자주식회사 Washing Machine
KR20220136975A (en) * 2014-12-04 2022-10-11 삼성전자주식회사 Washing Machine
USRE49611E1 (en) 2014-12-04 2023-08-15 Samsung Electronics Co., Ltd. Washing machine

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