KR200318311Y1 - Freezer Door Opening Prevention Device - Google Patents

Freezer Door Opening Prevention Device Download PDF

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Publication number
KR200318311Y1
KR200318311Y1 KR2019980023946U KR19980023946U KR200318311Y1 KR 200318311 Y1 KR200318311 Y1 KR 200318311Y1 KR 2019980023946 U KR2019980023946 U KR 2019980023946U KR 19980023946 U KR19980023946 U KR 19980023946U KR 200318311 Y1 KR200318311 Y1 KR 200318311Y1
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KR
South Korea
Prior art keywords
refrigerator
door
fixing member
freezing chamber
freezer
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KR2019980023946U
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Korean (ko)
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KR20000011249U (en
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이정완
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주식회사 대우일렉트로닉스
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Priority to KR2019980023946U priority Critical patent/KR200318311Y1/en
Publication of KR20000011249U publication Critical patent/KR20000011249U/en
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Publication of KR200318311Y1 publication Critical patent/KR200318311Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/54—Man-operated mechanisms for operating wings, including those which also operate the fastening for doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)

Abstract

본 고안은 냉동실도어 열림방지장치에 관한 것으로, 종래 냉장고의 냉동실도어는 냉장실도어보다 상대적으로 작게 형성되기 때문에 냉장실도어를 강하게 닫게 되면 고내 압력변화 의해 냉동실도어가 약간 개방되게 되는 도어열림현상이 발생하는 바, 특히 대형냉장고의 경우에는 냉장실도어가 크기 때문에 그러한 현상이 심하게 발생하여 고내 냉기가 고외부로 누설되어 냉기손실을 초래하는 문제가 있었다.The present invention relates to a freezer door opening prevention device, and since the freezer door of the conventional refrigerator is formed relatively smaller than the refrigerator door, when the refrigerator door is strongly closed, a door opening phenomenon occurs in which the freezer door is slightly opened due to a change in pressure inside the refrigerator. In particular, in the case of a large refrigerator, such a phenomenon occurs severely because the refrigerator compartment door is large, and there is a problem in that cold air leaks into the outside and causes cold air loss.

본 고안은 이러한 문제를 해결하기 위하여, 냉장고의 외부케이스인 캐비넷의 상면 일측단부에 냉동실도어와 근접하여 고정된 사각형상의 고정브라켓에서 연장되고 그 단부가 후크형상을 갖는 고정부재를 형성하고, 이 고정부재와 대응되는 냉동실도어의 상단면 일측단부에 다소 긴 반원형의 수납홈을 형성함과 동시에 이 수납홈에 일단이 축고정되고 타단은 고정부재와 대응되는 형상으로 연장형성되어 고정부재에 쇄정 및 해정가능하게 탄성고정되는 걸림부재를 구성함으로써, 일정 이상의 힘을 가하여 냉동실도어를 강제 개방하지 않는 한 냉동실도어가 쉽게 개방되지 못하도록 하여 주는 효과를 갖는 고안임.In order to solve this problem, the present invention forms a fixing member having a hook-shaped end portion extending from a rectangular fixing bracket fixed close to the freezing chamber door at one end of the upper surface of the cabinet which is the outer case of the refrigerator. A semi-circular accommodating groove is formed at one end of the upper surface of the freezer door corresponding to the member, and one end is fixed to the accommodating groove, and the other end is extended to a shape corresponding to the fixing member to lock and lock the fixing member. It is designed to have the effect of preventing the freezing chamber door to be opened easily unless the freezing chamber door is forcibly opened by applying a predetermined force by forming a locking member that is elastically fixed as possible.

Description

냉동실도어 열림방지장치Freezer Door Opening Prevention Device

본 고안은 냉동실도어 열림방지장치에 관한 것으로, 보다 상세하게는 냉장고의 상판과 냉동실도어의 상단면 상부힌지 대향측에 스토퍼를 구비하여 냉장실도어의 개폐운동시 발생하는 고내 압력에 연동되어 냉동실도어가 미세하게 개방되어 고내 냉기가 누설되는 것을 방지토록 한 냉동실도어 열림방지장치에 관한 것이다.The present invention relates to a freezer door opening prevention device, and more specifically, a stopper is provided on the upper side of the upper plate of the refrigerator and the upper hinge of the freezer door and interlocked with the internal pressure generated during the opening / closing movement of the refrigerator compartment door. It relates to a freezing chamber door opening preventing device that is finely opened to prevent leakage of cold air in the refrigerator.

일반적으로 냉장고는 소정의 냉각싸이클을 따라 냉매를 반복 순환시킴으로써 얻어지는 냉기를 냉동실 혹은 냉장실로 공급하여 각 고내에 수납된 저장식품을 냉동 혹은 냉장시켜 저장식품이 신선한 상태를 유지하면서 장기간동안 보관될 수 있도록 하여 주는 가전제품이다.In general, a refrigerator supplies cold air obtained by repeatedly circulating a refrigerant along a predetermined cooling cycle to a freezing compartment or a refrigerating compartment to freeze or refrigerate stored foods stored in each refrigerator so that the stored foods can be stored for a long time while maintaining a fresh state. Is a home appliance.

이러한 냉장고의 외부케이스는 통상 철판으로 형성되므로 고내로 공급된 냉기를 밀폐시켜 냉기가 누설되지 않고 고내에 잔존토록 하기 위하여 냉장고의 도어 외테두리에 밀폐부재를 부착시키고 이 밀폐부재에는 자력을 발하는 고무자석을 내장시켜 상기 외부케이스의 전면 외테두리에 밀폐부재가 들뜸없이 밀착되게 하여 고내로 공급된 냉기의 누설을 방지토록 하고 있다.Since the outer case of the refrigerator is usually formed of a steel plate, in order to seal the cold air supplied into the refrigerator so that the cold air does not leak and remain in the refrigerator, a sealing member is attached to the door edge of the refrigerator and magnetic rubber is applied to the sealing member. The inner surface of the outer case is closed to keep the sealing member in close contact with each other so as to prevent leakage of cold air supplied into the refrigerator.

즉, 도시된 도 1과 같이, 냉동실도어(10) 및 냉장실도어(20) 내측 테두리에 고정된 밀폐부재인 가스켓(30)이 그 내부에 고정된 고무자석(미도시)의 자력에 의해 철판으로 가공된 냉장고의 외부케이스인 캐비넷(40)의 전면 외테두리에 밀착되게 부착됨으로서 냉기의 누설을 방지하며 냉장고의 해당 고내를 외부와 차단하고 있다.That is, as shown in FIG. 1, the gasket 30, which is a sealing member fixed to the inner edge of the freezing chamber door 10 and the refrigerating chamber door 20, is moved to an iron plate by a magnetic force of a rubber magnet (not shown) fixed therein. By being attached to the front edge of the cabinet 40, which is the outer case of the processed refrigerator, it prevents leakage of cold air and blocks the inside of the refrigerator from the outside.

이와 같이 냉동실(F) 및 냉장실(R)이 상하직립형(이하 "F/R 형 냉장고"라 함)으로 형성되는 냉장고의 냉동실도어는 냉장실도어보다 상대적으로 작게 형성되기 때문에 냉장실도어를 강하게 닫게 되면 고내 압력에 의해 상기 냉동실도어가 약간 개방되게 되는 도어열림현상이 발생하게 된다.As such, the freezer door of the refrigerator in which the freezer compartment F and the refrigerator compartment R are formed in an upright and upright type (hereinafter referred to as an "F / R-type refrigerator") is formed relatively smaller than the refrigerator compartment door. The door opening phenomenon in which the freezing chamber door is slightly opened due to pressure is generated.

따라서, 이러한 냉동실도어의 열림현상이 발생되게 되면 사용자가 일일이 상기 냉동실도어를 닫아야 하는 불편이 따랐으며, 냉동실도어를 완전히 폐쇄시키지 않게 되면 고내 냉기가 고외부로 누설되어 냉기손실을 초래하는 문제를 낳았다.Therefore, when the opening phenomenon of the freezer compartment door occurs, the user is inconvenient to close the freezer compartment daily, and if the freezer door is not completely closed, the cold air inside the refrigerator leaks to the outside and causes a problem of cold air loss. .

종래에는 이러한 현상을 방지하기 위해 냉장고의 중간힌지에 후크형상의 돌기를 형성하고 상기 냉동실도어 하단면에는 상기 돌기가 대응삽입되어 임시고정될 수 있도록 몰딩제조된 탄성을 지닌 스토퍼를 고정하여 냉동실도어 폐쇄시 이들이 상호체결됨으로써 냉장실도어의 개폐에 따른 고내 압력이 냉동실도어측에 전달되더라도 상기 냉동실도어가 쉽게 개방되지 못하도록 하였다.Conventionally, in order to prevent such a phenomenon, hook-shaped protrusions are formed on the intermediate hinge of the refrigerator, and the freezer door is closed by fixing a stopper having a molded elasticity so that the protrusions can be temporarily fixed by corresponding insertion at the lower surface of the freezer door. As these cells are mutually fastened, the freezer door is not easily opened even when the internal pressure of the refrigerator door is transferred to the freezer door side.

그러나, 이러한 스토퍼는 중,소형 F/R 형 냉장고의 경우에는 냉장실도어의 크기가 그다지 크지 않기 때문에 큰 압력변화를 일으키지 않으므로 상기 스토퍼만으로도 충분히 도어열림방지 기능을 수행하였으나, 갈수록 대형화되어 가는 최근의 추세에 따라 양산되는 대형냉장고의 경우에는 매우 큰 압력변화가 생기므로 상기 스토퍼가 제기능을 수행하지 못하게되어 냉장실도어의 개폐에 따른 냉동실도어의 열림현상을 제거할 수 없게 되었다.However, since the stopper does not cause a large pressure change because the size of the refrigerator compartment door is not so large in the case of medium and small F / R type refrigerators, the stopper alone has sufficiently prevented the door opening, but the recent trend is increasing. In the case of a large refrigerator produced in accordance with the very large pressure change occurs because the stopper is unable to perform the function can not remove the opening phenomenon of the freezer door according to the opening and closing of the refrigerator compartment door.

따라서, 상기한 냉동실도어의 열림현상을 방지할 수 있는 대안이 강력히 요청되었다.Therefore, there is a strong demand for an alternative that can prevent the opening of the freezer door.

본 고안은 상기한 바와 같은 제반 요청사항에 적극적으로 부응하기 위하여 안출한 것으로, 중소형냉장고는 물론 대형냉장고의 냉장실도어 개폐시 생기는 고내 압력변화에 따른 냉동실도어 열림현상을 효율적으로 방지할 수 있도록 한 냉장고의 냉동실도어 열림방지장치의 제공을 그 목적으로 한다.The present invention was devised in order to actively meet the requirements as described above, a refrigerator that can effectively prevent the opening of the freezer door due to the change in the pressure inside the high and low refrigerator door as well as the small and medium sized refrigerator To provide a freezer door opening prevention device of

본 고안의 다른 목적은 외력이 가해지지 않은 상태에서 가스켓과 냉장고 전면이 부착되어 유지되고 있는 간격(이하, "자유고"라 함)이 냉동실도어 외테두리 전체에서 항상 동일하게 유지되도록 하여 냉기의 누설을 차단하고 고내 온도를 안정화시킬 수 있도록 한 냉장고의 냉동실도어 열림방지장치를 제공함에도 있다.Another object of the present invention is to ensure that the gap between the gasket and the front surface of the refrigerator (hereinafter referred to as “free”) is kept the same throughout the freezer door frame at all times without external force being applied. It also provides a freezer door opening preventing device of the refrigerator to block the heat and stabilize the internal temperature.

본 고안의 이러한 목적은 냉장고의 외부케이스인 캐비넷의 상면 일측단부에 냉동실도어와 근접하여 고정된 사각형상의 고정브라켓에서 연장되고 그 단부가 후크형상을 갖도록 형성된 고정부재와, 상기 고정부재와 대응되는 상기 냉동실도어의 상단면 일측단부에 다소 길게 형성되는 반원형의 수납홈과, 상기 수납홈에 일단이 축고정되고 타단은 상기 고정부재와 대응되는 형상으로 연장형성되어 상기 고정부재에 쇄정 및 해정가능하게 탄성고정되는 걸림부재로 구성됨에 의하여 달성된다.This object of the present invention extends from a fixed bracket having a rectangular shape fixed to the upper surface one side end of the cabinet, which is an outer case of the refrigerator close to the freezer door, and the end member is formed to have a hook shape, and corresponding to the fixing member Semi-circular accommodating groove which is formed somewhat longer at one end of the upper surface of the freezing chamber door, one end is fixed to the accommodating groove and the other end is formed to extend in a shape corresponding to the fixing member so that the fixing member can be elastically locked and fixed to the fixing member. It is achieved by consisting of a locking member that is fixed.

도 1은 일반적인 F/R 냉장고의 냉동실도어가 닫힌 상태를 도시한 부분 사시도,1 is a partial perspective view showing a state in which a freezer door of a general F / R refrigerator is closed;

도 2는 본 고안에 따른 F/R 냉장고의 냉동실도어 열림방지장치가 부설된 냉장고의 부분 사시도,2 is a partial perspective view of the refrigerator equipped with a freezer door opening preventing device of the F / R refrigerator according to the present invention;

도 3은 본 고안에 따른 F/R 냉장고의 냉동실도어 열림방지장치의 요부 확대도.Figure 3 is an enlarged view of the main portion of the freezer door opening preventing device of the F / R refrigerator according to the present invention.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 냉동실도어, 12 : 상부힌지,10: freezer door, 12: upper hinge,

20 : 냉장실도어, 30 : 가스켓,20: refrigerating chamber door, 30: gasket,

40 : 캐비넷, 50 : 고정브라켓,40: cabinet, 50: fixing bracket,

52 : 고정부재, 54 : 제1걸림부,52: holding member, 54: first locking portion,

56 : 제1걸림홈, 60 : 수납홈,56: first locking groove, 60: receiving groove,

62 : 걸림부재, 64 : 제2걸림부,62: locking member, 64: second locking portion,

66 : 제2걸림홈, S : 자유고,66: second locking groove, S: free height,

ℓ : 결합거리.ℓ: coupling distance.

이하에서는, 본 고안에 따른 바람직한 일 실시예를 첨부한 도면을 참조하여 보다 상세하게 설명하기로 한다.Hereinafter, with reference to the accompanying drawings a preferred embodiment according to the present invention will be described in more detail.

도 2는 본 고안에 따른 F/R 냉장고의 냉동실도어 열림방지장치가 부설된 냉장고의 부분 사시도이다.2 is a partial perspective view of the refrigerator equipped with a freezer door opening preventing device of the F / R refrigerator according to the present invention.

도시와 같이, 본 고안에 따른 냉동실도어 열림방지장치는 냉장고의 외부케이스인 캐비넷(40) 상면 일단부에 고정부재(52)를 설치하고 냉동실도어(10)의 상단 일측단부에는 상기 고정부재(52)에 분리가능하게 결합고정되는 걸림부재(62)를 설치하여 냉동실도어(10)의 개폐시에 이들이 상호 쇄정(locking) 및 해정(unlocking)되도록 할 뿐만 아니라, 냉장실도어(20)의 개폐에 따른 고내 압력의 변화시 이들이 상호 쇄정된 상태를 유지하여 상기 냉동실도어(10)의 열림을 방지할 수 있도록 한 것이다.As shown, the freezer door opening preventing device according to the present invention is provided with a fixing member 52 at one end of the upper surface of the cabinet 40, which is an outer case of the refrigerator, and the fixing member 52 at one end of the upper end of the freezer door 10. By installing the engaging member 62 is separably fixed to () so that when the freezer door 10 is opened and closed, they are mutually locked (locked) and unlocked (unlocking), as well as according to the opening and closing of the refrigerating chamber door (20) When the change in the pressure in the high to maintain the mutually determined state is to prevent the opening of the freezing chamber door (10).

따라서, 냉동실도어(10)의 하단면 일측에 고정되던 기존의 스토퍼는 사실상 그 기능이 유명무실화되므로 제거됨이 바람직하다.Therefore, the existing stopper fixed to one side of the lower surface of the freezing chamber door 10 is preferably removed because its function is not known.

또한, 기존과 마찬가지로, 상기 냉장고의 냉동실도어(10) 및 냉장실도어(20)의 내면 외테두리에는 밀폐부재인 가스켓(30)이 설치된다.In addition, as before, the inner surface of the freezer compartment door 10 and the refrigerating chamber door 20 of the refrigerator is provided with a gasket 30 as a sealing member.

아울러, 상기 고정부재(52) 및 걸림부재(62)는 냉장고 도어(10,20)를 회동가능하게 지지하는 힌지, 특히 도시된 바에 따르면 상부힌지(12)의 대향측 단부에 인접하여 설치고정된다.In addition, the fixing member 52 and the locking member 62 are installed and fixed to a hinge for rotatably supporting the refrigerator doors 10 and 20, in particular adjacent to opposite ends of the upper hinge 12 as shown. .

도 3은 본 고안에 따른 F/R 냉장고의 냉동실도어 열림방지장치의 요부 확대도이다.Figure 3 is an enlarged view of the main portion of the freezer door opening preventing device of the F / R refrigerator according to the present invention.

도면의 도시와 같이, 냉장고의 외부케이스인 캐비넷(40)의 상면 일측단부에는 상기 냉동실도어(10)와 근접하여 고정된 고정브라켓(50)에서 연장된 고정부재(52)가 구비된다.As shown in the figure, at one end of the upper surface of the cabinet 40, which is an outer case of the refrigerator, a fixing member 52 extending from the fixing bracket 50 fixed close to the freezing chamber door 10 is provided.

상기 고정브라켓(50)은 사각형상의 금속편으로써 그 일측면이 상기 캐비넷(40)의 상단면에 밀착접촉된 후 다수의 나사(44)에 의해 나사고정된다.The fixing bracket 50 is a rectangular metal piece, one side of which is in close contact with the upper surface of the cabinet 40, and then fixed by a plurality of screws 44.

그리고, 상기 고정부재(52)는 만곡진 돌출부를 갖는 후크형상으로 형성되는 바, 즉 상기 고정브라켓(50)에서 냉장고 전방을 향해 돌출연장되어 단부가 소정의 곡률을 갖고 도 2에 도시된 상부힌지(12)의 대향측방향으로 돌출되어 제1걸림부(54)를 이룬후 다시 상기 제1걸림부(54)의 돌출방향과 대향되는 상기 상부힌지(12) 방향으로 요입되어 제1걸림홈(56)을 이루도록 형성된다.In addition, the fixing member 52 is formed in a hook shape having a curved protrusion, that is, the fixing bracket 50 protrudes toward the front of the refrigerator so that the end has a predetermined curvature and the upper hinge shown in FIG. 2. Protruding in the opposite direction of the (12) to form a first catching portion 54, and then again in the direction of the upper hinge 12 opposite to the protruding direction of the first catching portion 54 is the first catching groove ( 56).

한편, 냉동실도어(10)의 상단면 일측단부에는 장방향으로된 반원형의 수납홈(60)이 형성된다.On the other hand, one side end of the upper end surface of the freezer compartment 10 is formed with a semi-circular receiving groove 60 in the longitudinal direction.

그리고, 상기 수납홈(60)에는 상기 고정부재(52)와 대응되는 형상으로 형성된 걸림부재(62)가 축고정된다.In addition, the receiving groove 60 is fixed to the locking member 62 formed in a shape corresponding to the fixing member 52.

즉, 상기 걸림부재(62)는 상기 수납홈(60)에 축고정된 일단에서 냉장고 후방을 향해 돌출연장되어 단부가 소정의 곡률을 갖고 상기 상부힌지(12)의 설치방향으로 돌출되어 제2걸림부(64)를 이룬후 다시 상기 제2걸림부(64)의 돌출방향과 대향되는 상기 상부힌지(12)의 대향측방향으로 요입되어 제2걸림홈(66)을 이루도록 형성된다.That is, the locking member 62 is protruded toward the rear of the refrigerator from one end fixed to the receiving groove 60 so that the end has a predetermined curvature and protrudes in the installation direction of the upper hinge 12 so as to have a second catch. After the portion 64 is formed, it is formed to be recessed in the opposite side direction of the upper hinge 12 opposite to the protruding direction of the second catching portion 64 to form the second catching groove 66.

또한, 상기에서는 걸림부재(62)가 유동되지 못하도록 축고정한다고 설명하였으나 이에 국한되지 않고 상기 수납홈(60) 내부에서 약간의 유동을 갖도록 형성할 수 있다.In addition, in the above, the locking member 62 is described as being fixed so as not to flow, but the present invention is not limited thereto.

그리고, 상기 고정부재(52)와 걸림부재(62)가 쇄정되었을 때 상기 냉동실도어(10)의 전면 외테두리에 설치된 가스켓(30)의 자유고(S)가 항상 동일하게 유지되도록 한 결합거리(ℓ)를 갖도록 상기 고정부재(52) 및 걸림부재(62) 각각의 길이를 조절하여 형성한다.When the fixing member 52 and the locking member 62 are locked, the free distance S of the gasket 30 installed on the front edge of the freezing chamber door 10 is always maintained the same. It is formed by adjusting the length of each of the fixing member 52 and the locking member 62 to have a l).

따라서, 평상시에 냉동실도어(10)를 개방코자 도어(10)를 일정 이상의 힘으로 당기게 되면 서로 쇄정되어 있던 상기 고정부재(52)의 제1걸림부(54)와 걸림부재(62)의 제2걸림홈(66) 및 상기 걸림부재(62)의 제2걸림부(64)와 고정부재(52)의 제1걸림홈(56)이 상호간에 탄성변형되면서 해정되게 된다.Therefore, when the freezer door 10 is normally pulled to open the door 10 by a predetermined force or more, the first catching part 54 of the fixing member 52 and the second of the catching member 62 that are locked to each other are fixed. The locking groove 66 and the second locking portion 64 of the locking member 62 and the first locking groove 56 of the fixing member 52 are deformed while being elastically deformed to each other.

그리하여, 사용자는 냉동실도어(10)를 개방할 수 있게 되며, 이후 필요한 행위를 하게 된다.Thus, the user can open the freezer compartment door 10, and then perform the necessary actions.

반면에, 냉동실도어(10)를 폐쇄코자 도어(10)를 일정 이상의 힘으로 닫게 되면 상기 고정부재(52)의 제1걸림부(54)와 걸림부재(62)의 제2걸림홈(66) 및 상기 걸림부재(62)의 제2걸림부(64)와 고정부재(52)의 제1걸림홈(56)이 상호간에 탄성변형되면서 쇄정되게 된다.On the other hand, when the freezing chamber door 10 is closed by closing the door 10 with a predetermined force or more, the first locking portion 54 of the fixing member 52 and the second locking groove 66 of the locking member 62 are closed. And the second locking portion 64 of the locking member 62 and the first locking groove 56 of the fixing member 52 are elastically deformed to each other.

한편, 냉장실도어(20)를 개방한 후 폐쇄하게 되면, 도어(20)가 폐쇄되면서 고내공기를 가압하면서 변화되는 압력에 의해 상기 냉동실도어(10)가 냉장고 전방측으로 개방되려고 하게 된다.On the other hand, if the refrigerating chamber door 20 is closed after opening, the door 20 is closed and the freezing chamber door 10 is opened to the front side of the refrigerator by changing pressure while pressurizing the air inside.

이때, 상기한 바와 같이 고정부재(52)와 걸림부재(62)가 상호간에 이중으로 쇄정되어 있기 때문에 상기 냉동실도어(10)는 쉽게 개방되지 않게 된다.At this time, since the fixing member 52 and the locking member 62 are double-locked with each other as described above, the freezing chamber door 10 is not easily opened.

이는, 사용자가 당기는 힘보다 냉장실도어(20)의 개폐에 따라 변화되는 압력에 의한 힘이 적기 때문이다.This is because the force due to the pressure that changes according to the opening and closing of the refrigerating chamber door 20 is less than the force pulled by the user.

이러한, 압력과 힘간의 상호관계를 수차례에 걸친 실험결과를 토대로 상기 고정부재(52)와 걸림부재(62)간의 쇄정 및 해정력을 설정할 수 있다.Based on the results of experiments several times, the relationship between the pressure and the force can set the locking and unlocking force between the fixing member 52 and the locking member 62.

이상에서 살펴 본 바와 같이, 본 고안은 냉장고의 캐비넷 상단면 일단부에 고정부재를 형성하고 이 고정부재와 대응되는 형상으로 형성되고 고정부재에 쇄정 및 해정작용되는 걸림부재를 냉동실도어 상단면에 설치고정하여 일정이상의 힘에 의해서만 이들 고정/걸림부재가 탄성적으로 해정되도록 함으로써, 가스켓의 자유고를 항상 일정하게 유지할 수 있게 되어 냉장고의 해당 고내 냉기의 누설을 최대한 방지하는 효과를 제공한다.As described above, the present invention forms a fixing member at one end of the cabinet upper surface of the refrigerator, is formed in a shape corresponding to the fixing member, and installs a locking member on the upper surface of the freezer compartment door that locks and freezes the fixing member. By fixing so that these fixing / locking members are elastically released only by a predetermined force or more, the free height of the gasket can be kept constant at all times, thereby providing the effect of preventing the leakage of the corresponding cold air in the refrigerator as much as possible.

또한, 이에 따라 냉장고의 냉각성능이 향상되고, 고내 수납식품의 신선도를 향상시키는 효과도 제공한다.In addition, the cooling performance of the refrigerator is improved, thereby providing an effect of improving the freshness of the food contained in the refrigerator.

Claims (2)

냉장고의 외부케이스인 캐비넷(40)의 상면 일측단부에 냉동실도어(10)와 근접하여 고정된 사각형상의 고정브라켓(50)에서 연장되고 그 단부가 후크형상을 갖도록 형성된 고정부재(52)와,A fixing member 52 extending from a rectangular fixing bracket 50 fixed near to the freezing chamber door 10 at one end of an upper surface of the cabinet 40, which is an outer case of the refrigerator, and having an end portion having a hook shape; 상기 고정부재(52)와 대응되는 상기 냉동실도어(10)의 상단면 일측단부에 다소 길게 형성되는 반원형의 수납홈(60)과,A semi-circular accommodating groove 60 formed at one end of the upper end surface of the freezing chamber door 10 corresponding to the fixing member 52, and 상기 수납홈(60)에 일단이 축고정되고 타단은 상기 고정부재(52)와 대응되는 형상으로 연장형성되어 상기 고정부재(52)에 쇄정 및 해정가능하게 탄성고정되는 걸림부재(62)로 구성되는 것을 특징으로 하는 냉동실도어 열림방지장치.One end is fixed to the receiving groove 60 and the other end is formed to extend in a shape corresponding to the fixing member 52 is composed of a locking member 62 is elastically fixed to the fixing member 52 so as to lock and release. Freezer door opening prevention device, characterized in that the. 제1항에 있어서, 상기 고정부재(52)는 상기 고정브라켓(50)에서 냉장고 전방을 향해 돌출연장되어 단부가 소정의 곡률을 갖고 상부힌지(12)의 대향측방향으로 돌출되어 제1걸림부(54)를 이룬후 다시 상기 제1걸림부(54)의 돌출방향과 대향되는 상기 상부힌지(12) 방향으로 요입되어 제1걸림홈(56)을 이루도록 형성되고,According to claim 1, The fixing member 52 is protruded toward the front of the refrigerator from the fixing bracket 50, the end portion has a predetermined curvature protrudes in the opposite side direction of the upper hinge 12, the first catching portion After forming (54), it is formed to be recessed in the direction of the upper hinge 12 opposite to the protruding direction of the first catching portion 54 to form the first catching groove 56, 상기 걸림부재(62)는 상기 수납홈(60)에 축고정된 일단에서 냉장고 후방을 향해 돌출연장되어 단부가 소정의 곡률을 갖고 상기 상부힌지(12)의 설치방향으로 돌출되어 제2걸림부(64)를 이룬후 다시 상기 제2걸림부(64)의 돌출방향과 대향되는 상기 상부힌지(12)의 대향측방향으로 요입되어 제2걸림홈(66)을 이루도록 형성되는 것을 특징으로 하는 냉동실도어 열림방지장치.The locking member 62 is protruded toward the rear of the refrigerator from one end fixed to the receiving groove 60 so that the end portion has a predetermined curvature and protrudes in the installation direction of the upper hinge 12 so that the second locking portion ( After forming 64, the freezing chamber door is formed so as to form a second locking groove 66 by being recessed in the opposite side direction of the upper hinge 12 opposite to the protruding direction of the second locking portion 64. Opening prevention device.
KR2019980023946U 1998-11-30 1998-11-30 Freezer Door Opening Prevention Device KR200318311Y1 (en)

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Publication number Priority date Publication date Assignee Title
KR100673571B1 (en) 2005-07-11 2007-01-24 엘지전자 주식회사 Door opening prevention device for refrigerator

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KR100747925B1 (en) * 2004-12-15 2007-08-08 엘지전자 주식회사 The door latch for a refrigerator
KR101398460B1 (en) * 2012-09-18 2014-05-27 엘지전자 주식회사 A refrigerator with sealing apparatus for a crisper drawer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100673571B1 (en) 2005-07-11 2007-01-24 엘지전자 주식회사 Door opening prevention device for refrigerator

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