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KR20060068774A - Refrigerator Liquid Leakage Seal - Google Patents

Refrigerator Liquid Leakage Seal Download PDF

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Publication number
KR20060068774A
KR20060068774A KR1020040107627A KR20040107627A KR20060068774A KR 20060068774 A KR20060068774 A KR 20060068774A KR 1020040107627 A KR1020040107627 A KR 1020040107627A KR 20040107627 A KR20040107627 A KR 20040107627A KR 20060068774 A KR20060068774 A KR 20060068774A
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KR
South Korea
Prior art keywords
flange
seal
hole
head
thickness
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Withdrawn
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KR1020040107627A
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Korean (ko)
Inventor
이정원
Original Assignee
주식회사 대우일렉트로닉스
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Priority to KR1020040107627A priority Critical patent/KR20060068774A/en
Publication of KR20060068774A publication Critical patent/KR20060068774A/en
Withdrawn legal-status Critical Current

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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
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/085—Breaking strips
    • 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
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/762—Household appliances
    • B29L2031/7622—Refrigerators
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • F25D2201/126—Insulation with respect to heat using an insulating packing material of cellular type
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Gasket Seals (AREA)

Abstract

본 발명은 내상과 캐비넷 사이에 배치되는 축부(11)의 외주면에 방사상으로 내상의 홀 보다 큰 직경으로 홀을 덮도록 유연성있는 플랜지(13)가 형성되어 있으며, 내상의 외측으로 돌출되게 배치되는 헤드부(14)에 돌출턱이 형성되어 상기 플랜지와 돌출턱 사이에 내상의 홀 주변부가 끼워져 밀봉하도록 된 냉장고용 발포액 누출방지용 밀봉구에 관한 것으로, 상기 돌출턱(15)을 플랜지(13)로부터의 거리가 증가되도록 나사산과 같이 헤드부의 외주면 둘레로 형성되어 헤드의 회전 따라 돌출턱과 플랜지 사이에 끼워지는 내상의 두께 변화를 수용하도록 된 것을 특징으로 하여 구성됨으로써, 내상의 두께가 다른 부분의 홀에 대하여 종래와 같이 별도의 추가적인 보조 밀봉수단을 사용하지 않고도 완벽한 밀봉작용을 수행할 수 있게 되어 발포 공정시 발포액의 누출 염려가 없으며, 종래 내상의 두께가 변화되는 경우에 다른 치수의 밀봉구를 사용하거나 보조 밀봉재를 사용하는 것과 비교하여 내상 홀의 밀봉 작업을 효율적으로 수행할 수 있고, 보조 밀봉재료를 사용하지 않음에 따라 자재 비용을 절감할 수 있는 효과가 있다.According to the present invention, a flexible flange 13 is formed on the outer circumferential surface of the shaft portion 11 disposed between the inner box and the cabinet to radially cover the hole with a diameter larger than that of the inner box, and the head is disposed to protrude outward of the inner box. It relates to a refrigerator foam liquid leakage preventing seal is formed in the protruding jaw formed in the portion 14, the periphery of the inner periphery between the flange and the protruding jaw to seal, the protruding jaw 15 from the flange 13 It is formed around the outer circumferential surface of the head like a screw thread so as to increase the distance of the inner portion to accommodate the change in the thickness of the inner phase fitted between the projection jaw and the flange according to the rotation of the head, so that the thickness of the inner portion of the hole With respect to the foaming process in the foaming process it is possible to perform a complete sealing without using a separate additional auxiliary sealing means as in the conventional There is no fear of leakage, and when the thickness of the conventional inner shell is changed, the sealing operation of the inner wound hole can be efficiently performed as compared with the use of a seal of a different dimension or the use of an auxiliary sealing material, and no auxiliary sealing material is used. Therefore, the cost of materials can be reduced.

냉장고용 발포액 누출방지용 밀봉구Refrigerator Liquid Leakage Seal

Description

냉장고용 발포액 누출방지용 밀봉구{A FIXTURE FOR PREVENTING A FORMING LIQUID LEAKAGE FOR REFRIGERATORS}Sealant for leak prevention foam for refrigerator {A FIXTURE FOR PREVENTING A FORMING LIQUID LEAKAGE FOR REFRIGERATORS}

도 1은 종래 냉장고 내상에 형성된 홀을 발포작업시 밀봉하기 위한 종래 밀봉구의 단면도.       1 is a cross-sectional view of a conventional seal for sealing the hole formed in the conventional refrigerator during the foaming operation.

도 2는 도 1의 밀봉구의 측면도.       FIG. 2 is a side view of the seal of FIG. 1. FIG.

도 3은 다른 형태의 종래의 밀봉구의 내상의 홀에 끼워진 상태의 단면도.       3 is a cross-sectional view of a state of being fitted in a hole in an inner box of a conventional sealing tool of another form;

도 4는 도 3의 밀봉구의 밀봉 작용을 설명하기 위한 측면도.       Figure 4 is a side view for explaining the sealing action of the seal of Figure 3;

도 5는 본 발명에 의한 내상의 홀 밀봉구의 측면도.       5 is a side view of the hole seal of the inner shell according to the present invention;

도 6은 본 발명의 밀봉구를 내상의 홀에 끼운 상태의 개략적인 측단면도.        Figure 6 is a schematic side cross-sectional view of a state in which the sealing tool of the present invention is inserted into the hole in the inner box.

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

10 : 밀봉구 11 : 축부  10 sealing member 11 shaft portion

12 : 리브 13 : 플랜지  12: rib 13: flange

14 : 헤드부 15 : 돌출턱



14: head portion 15: protruding jaw



본 발명은 냉장고의 내상에 형성되는 홀을 밀봉하기 위한 밀봉구에 관한 것으로, 특히 내상의 다양한 두께 부분에 형성된 홀에 별도의 밀폐수단을 갖지 않고 범용적으로 사용할 수 있는 밀봉구에 관한 것이다.The present invention relates to a seal for sealing a hole formed in the interior of the refrigerator, and more particularly to a seal that can be used universally without having a separate sealing means in the hole formed in the various thickness portion of the inner box.

일반적으로, 냉장고의 내상(1)에는 나사 체결용의 홀들이 형성된다. 그러나, 냉장고 캐비넷에 내상이 장착된 다음, 우레탄 발포액을 캐비넷과 내상 사이에 주입하여 발포하게 되면, 팽창하는 발포액이 상기 내상의 홀을 통해 누출되는 것을 방지하기 위하여 통상적으로 도 2와 같은 밀봉구(2)를 홀에 체결하여 밀봉하였다. 상기 밀봉구(2)의 중앙에는 중간에서 막힌 홀(3)이 형성되어 필요한 스크류를 홀(3)을 통해 체결고정할 수 있도록 되어 있다.In general, holes for screwing are formed in the inner box 1 of the refrigerator. However, when the inner phase is mounted in the refrigerator cabinet and then urethane foam is injected between the cabinet and the inner phase to foam, the sealing foam is generally sealed as shown in FIG. 2 to prevent the expanding foam from leaking through the hole of the inner phase. The sphere 2 was fastened to the hole and sealed. In the center of the sealing opening (2) is formed a hole (3) blocked in the middle is to fasten and fasten the required screw through the hole (3).

그러나, 도 2와 같은 종래의 밀봉구(2)는 발포 공정시 발포액의 팽창력에 의해 내상(4)과 밀봉구의 플랜지(5) 사이를 통해 외부로 누출되는 문제가 발생되었다. 또한, 우레탄 발포액의 누출은 홀이 형성되는 부위의 내상의 두께가 플랜지와 밀봉구 헤드(6)의 걸림턱(7) 사이의 고정된 간격보다 작은 경우에도 필연적으로 발생하였다. 이에 대한 해결책으로 보조적으로 테이프로 플랜지와 내상 사이를 밀폐하여야 하므로 밀봉 작업 시간이 많이 요소되는 문제가 있었다. However, the conventional sealing device 2 as shown in FIG. 2 has a problem of leaking to the outside through the inner shell 4 and the flange 5 of the sealing opening by the expansion force of the foaming liquid in the foaming process. In addition, the leakage of the urethane foam liquid inevitably occurred even when the thickness of the inner phase of the site where the hole is formed is smaller than the fixed gap between the flange and the latching jaw 7 of the sealing head 6. As a solution to this problem, the sealing work needs to be sealed between the flange and the inner wound with tape, which causes a lot of sealing work time.

이에 대한 개선책으로 도 3과같이 탄성적으로 변경되는 플랜지(8)를 갖고, 헤드부의 걸림턱(9)의 저면을 경사지게 형성하여 플랜지와 걸림턱 사이에 끼워지는 내상의 두께 변화를 어느 정도 수용가능하게 하였다. 그러나, 이 경우에도 내상의 두께가 플랜지와 경사진 걸림턱 저면 사이의 간격보다 작은 경우에는 발포액이 누출되고, 그 간격보다 큰 경우에는 내상에 밀봉구를 체결할 수 없게 되어 내상 두께의 변화에 제한적으로 사용되는 문제가 있었다. As a remedy for this, the flange 8 is elastically changed as shown in FIG. 3, and the bottom surface of the locking jaw 9 of the head portion is formed to be inclined to accommodate a change in the thickness of the inner image that is fitted between the flange and the locking jaw. It was made. However, even in this case, if the thickness of the inner phase is smaller than the gap between the flange and the bottom of the inclined locking jaw, the foam liquid leaks. There was a problem of limited use.

따라서, 본 발명의 목적은 종래 냉장고 내상에 형성된 홀을 발포공정시 발포액의 누출을 방지하기 위한 밀봉구의 내상 두께 변화에 대하여 범용적으로 사용하지 못하고 보조적으로 테이프나 다른 밀봉 재료로 추가 밀봉 작업을 해야 하는 문제점을 해결하기 위하여, 내상의 홀보다 큰 직경의 유연성있는 플랜지를 축부의 외주면에 구비하고, 헤드부에는 그 외주면 둘레에 걸쳐 나사산과 같은 돌출턱을 형성하여 내상의 두께 변화에 따라 적합한 체결 위치로 회전시켜 내상의 표면과 돌출턱이 밀착되어 밀봉되는 밀봉구를 제공하는 것이다.Accordingly, an object of the present invention is not to use universally for the change in the thickness of the internal wound of the seal for preventing the leakage of the foaming liquid during the foaming process in the conventionally formed in the refrigerator, secondary supplementary sealing operation with a tape or other sealing material In order to solve the problem to be solved, a flexible flange having a diameter larger than the hole of the inner shell is provided on the outer circumferential surface of the shaft portion, and the head portion forms a protruding jaw like a thread over the outer circumferential surface thereof so as to be suitable for the change in the thickness of the inner shell. Rotating to a position to provide a seal that is sealed in close contact with the surface of the inner projection and the projection jaw.

상기한 목적을 달성하기 위한 본 발명의 냉장고용 발포액 누출방지용 밀봉구는 내상과 캐비넷 사이에 배치되는 축부의 외주면에 방사상으로 내상의 홀 보다 큰 직경으로 홀을 덮도록 유연성있는 플랜지가 형성되어 있으며, 내상의 외측으로 돌출되게 배치되는 헤드부에 돌출턱이 형성되어 상기 플랜지와 돌출턱 사이에 내상의 홀 주변부가 끼워져 밀봉하도록 된 냉장고용 발포액 누출방지용 밀봉구에 관한 것으로, 상기 돌출턱을 플랜지로부터의 거리가 증가되도록 나사산과 같이 헤드부의 외주면 둘레로 형성되어 헤드의 회전 따라 돌출턱과 플랜지 사이에 끼워지는 내상 의 두께 변화를 수용하도록 된 것을 특징으로 하여 구성된다.Refrigerator liquid leakage preventing seal for the refrigerator of the present invention for achieving the above object is formed on the outer circumferential surface of the shaft portion disposed between the inner wound and the cabinet to form a flexible flange to cover the hole with a diameter larger than the hole in the inner wound radially, It relates to a refrigerator liquid leakage preventing seal for forming a projection jaw is formed in the head portion protruding to the outside of the inner shell to seal the hole periphery of the inner shell between the flange and the projection jaw, the projection jaw from the flange It is formed around the outer circumferential surface of the head like a screw thread so as to increase the distance is configured to accommodate the change in the thickness of the inner wound fitted between the projection jaw and the flange according to the rotation of the head.

이하, 본 발명의 실시예를 도시한 첨부 도면을 참고하여 본 발명을 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings showing an embodiment of the present invention will be described in detail the present invention.

도 5와 도 6에는 본 발명에 따른, 내상의 여러 두께 부분에 형성되는 홀에 체결하여 밀봉할 수 있도록 개선된 밀봉구(10)가 도시되어 있다. 본 발명의 개선된 밀봉구(10)는 내상과 캐비넷 사이에 배치되는 축부(11)의 외주면에 반경방향으로 돌출된 리브(12)가 형성되고, 내상의 홀 보다 큰 직경으로 홀을 덮도록 유연성있는 플랜지(13)가 형성되어 있으며, 내상의 외측으로 돌출되게 배치되는 헤드부(14)에는 본 발명에 따라 나사산과 같이 헤드부의 외주면 둘레로 플랜지로부터의 거리가 변화되게 돌출턱(15)이 형성되어 있다.5 and 6 show an improved seal 10 for sealing by fastening to a hole formed in various thickness portions of the inner shell, according to the present invention. The improved seal 10 of the present invention has a rib 12 projecting radially on the outer circumferential surface of the shaft portion 11 disposed between the inner shell and the cabinet, and is flexible to cover the hole with a diameter larger than that of the inner shell. The flange 13 is formed, and the projection 14 is formed in the head portion 14 which is arranged to protrude outward of the inner phase so that the distance from the flange is changed around the outer circumferential surface of the head portion like a screw thread according to the present invention. It is.

상기한 밀봉구의 헤드부의 돌출턱(15)의 저면과 플랜지(13) 사이는 내상이 배치되는 곳이므로, 돌출턱과 플랜지 사이의 거리가 나사를 돌리는 것과 같이 헤드부를 회전시킴에 따라 그 사이에 수용가능한 내상의 두께도 변화된다. 따라서, 상기 돌출턱과 플랜지 사이 거리의 범위가 내상의 홀이 형성되는 부분에 대한 밀봉가능한 두께 범위가 된다. Since the inner surface is disposed between the bottom face of the protruding jaw 15 of the head portion of the seal and the flange 13, the distance between the protruding jaw and the flange is accommodated therein as the head is rotated as the screw is turned. The thickness of the possible internal wounds also changes. Thus, the range of the distance between the protruding jaw and the flange becomes the sealable thickness range for the portion where the hole in the inner phase is formed.

본 발명에 따라 밀봉구의 회전에 따라 돌출턱과 플랜지 사이에 수용가능한 내상 두께가 변화되게 구성함으로써, 도 5에 도시된 바와같이 냉장고의 내상의 홀을 통하여 축부를 먼저 끼우고 헤드부(14)를 회전시켜 돌출턱(15)의 저면이 내상(16)의 외측 표면에 맞물리도록 함으로써 돌출턱(15)과 플랜지(13) 사이에서 내상(16)의 내측면과 외측면이 밀착된 상태로 체결되어 내상의 홀이 밀봉된다. According to the present invention, the acceptable inner thickness between the protrusion and the flange is changed according to the rotation of the seal, so that the shaft portion is first inserted through the hole of the inner portion of the refrigerator as shown in FIG. Rotating so that the bottom surface of the protruding jaw 15 is engaged with the outer surface of the inner box 16, the inner surface and the outer surface of the inner box 16 is in close contact between the protruding jaw 15 and the flange 13 The hole in the inner phase is sealed.                     

내상의 두께가 더 두꺼운 경우에는 밀봉구(10)의 헤드부가 위에서 설명한 경우보다 더 회전되어, 즉 플랜지(13)와 돌출턱(15)의 저면 사이의 증가된 간격으로 보다 더 두꺼워진 내상부분도 양측면이 밀착된 상태로 체결될 수 있어 내상의 홀을 밀봉하게 된다.If the thickness of the inner shell is thicker, the head portion of the seal 10 is rotated more than the case described above, i.e., the inner portion which is thicker at an increased interval between the flange 13 and the bottom of the protruding jaw 15 is also thickened. Both sides may be fastened in a state of being in close contact with each other to seal the hole in the inner box.

내상의 두께가 감소된 경우에는 밀봉구(10)의 헤드부가 위에서 설명한 경우보다 회전이 덜되어 플랜지와 돌출턱 사이의 간격이 좁아지게 되어 감소된 두께의 내상에서의 홀을 밀봉할 수 있게 된다.When the thickness of the inner wound is reduced, the head portion of the seal 10 is less rotated than the case described above, so that the gap between the flange and the protruding jaw is narrowed to seal the hole in the reduced inner thickness.

본 발명에 따라, 밀봉구(10)를 내상 외측면에 배치되는 헤드부의 돌출턱과 내상 내측면에 배치되는 플랜지 사이의 간격이 밀봉구의 회전 각도에 따라 증감되도록 구성함으로써 내상의 두께가 다른 부분의 홀에 대하여 종래와 같이 별도의 추가적인 보조 밀봉수단을 사용하지 않고도 완벽한 밀봉작용을 수행할 수 있게 되어 발포 공정시 발포액의 누출 염려가 없으며, 종래 내상의 두께가 변화되는 경우에 다른 치수의 밀봉구를 사용하거나 보조 밀봉재를 사용하는 것과 비교하여 내상 홀의 밀봉 작업을 효율적으로 수행할 수 있고, 보조 밀봉재료를 사용하지 않음에 따라 자재 비용을 절감할 수 있는 효과가 있다.According to the present invention, the gap between the protrusions of the head portion disposed on the inner surface of the inner surface and the flange disposed on the inner surface of the inner surface of the seal 10 increases or decreases according to the rotation angle of the seal. The hole can be completely sealed without using additional auxiliary sealing means as in the prior art, so there is no fear of leakage of the foaming liquid during the foaming process. Compared to using or using the auxiliary sealant can effectively perform the sealing operation of the inner wound hole, and there is an effect that can reduce the material cost by not using the auxiliary sealing material.

Claims (1)

내상과 캐비넷 사이에 배치되는 축부(11)의 외주면에 방사상으로 내상의 홀 보다 큰 직경으로 홀을 덮도록 유연성있는 플랜지(13)가 형성되어 있으며, 내상의 외측으로 돌출되게 배치되는 헤드부(14)에 돌출턱이 형성되어 상기 플랜지와 돌출턱 사이에 내상의 홀 주변부가 끼워져 밀봉하도록 된 냉장고용 발포액 누출방지용 밀봉구에 있어서, 상기 돌출턱(15)을 플랜지(13)로부터의 거리가 증가되도록 나사산과 같이 헤드부의 외주면 둘레로 형성되어 헤드의 회전 따라 돌출턱과 플랜지 사이에 끼워지는 내상의 두께 변화를 수용하도록 된 것을 특징으로 하는 냉장고용 발포액 누출방지용 밀봉구. A flexible flange 13 is formed on the outer circumferential surface of the shaft portion 11 disposed between the inner shell and the cabinet so as to radially cover the hole with a diameter larger than that of the inner shell, and the head portion 14 protruding outward of the inner shell. In the anti-foaming liquid leak-proof seal for the refrigerator is formed in the projection jaw is inserted between the flange and the projection jaw to seal the periphery of the inner periphery, the distance from the flange 13 to the projection jaw 15 is increased Refrigerator for preventing leakage of liquid foam, characterized in that formed around the outer circumferential surface of the head, such as a screw thread so as to accommodate the change in the thickness of the inner image that is fitted between the protrusion and the flange according to the rotation of the head.
KR1020040107627A 2004-12-17 2004-12-17 Refrigerator Liquid Leakage Seal Withdrawn KR20060068774A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10907885B2 (en) 2017-01-03 2021-02-02 Samsung Electronics Co., Ltd. Refrigerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10907885B2 (en) 2017-01-03 2021-02-02 Samsung Electronics Co., Ltd. Refrigerator

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Patent event date: 20041217

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