KR200319323Y1 - Anti-crack connecting unti for refrigerator - Google Patents
Anti-crack connecting unti for refrigerator Download PDFInfo
- Publication number
- KR200319323Y1 KR200319323Y1 KR20-2003-0012066U KR20030012066U KR200319323Y1 KR 200319323 Y1 KR200319323 Y1 KR 200319323Y1 KR 20030012066 U KR20030012066 U KR 20030012066U KR 200319323 Y1 KR200319323 Y1 KR 200319323Y1
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- South Korea
- Prior art keywords
- refrigerant
- fastening unit
- circumferential surface
- expansion
- present
- Prior art date
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- 239000003507 refrigerant Substances 0.000 claims abstract description 48
- 230000008602 contraction Effects 0.000 claims abstract description 14
- 238000005057 refrigeration Methods 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000007710 freezing Methods 0.000 abstract description 8
- 230000008014 freezing Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
본 고안은 냉동기기용 체결유닛에 관한 것이며, 더욱 상세하게는 냉매의 팽창 및 수축과, 냉매온도와 대기온도의 편차에 의해 발생된 응력을 분산시켜 재질에 균열이 발생되는 것을 방지하도록 한 냉동기기용 체결유닛에 관한 것이다.The present invention relates to a fastening unit for a refrigeration machine, and more specifically to a refrigeration machine fastening to prevent the cracks generated in the material by dispersing the stress caused by the expansion and contraction of the refrigerant and the deviation of the refrigerant temperature and the ambient temperature It's about the unit.
본 고안에 의한 균열방지기능을 가진 냉동기기용 체결유닛은,The fastening unit for a freezer having a crack prevention function according to the present invention,
내주면에 탭을 가진 몸체 외주면에 하나이상의 요입홈을 형성하여, 냉매의 팽창·수축과, 대기온도와 냉동온도간의 편차에 의해 발생된 응력이 요입홈에 의해 분산되도록 한 것을 특징으로 하고 있다.One or more concave grooves are formed on the outer circumferential surface of the body having a tab on the inner circumferential surface, so that stress generated by expansion and contraction of the refrigerant and a deviation between the air temperature and the freezing temperature is dispersed by the concave groove.
Description
본 고안은 냉동기기용 체결유닛에 관한 것이며, 더욱 상세하게는 냉매의 팽창 및 수축과, 냉매온도와 대기온도의 편차에 의해 발생된 응력을 분산시켜 재질에 균열이 발생되는 것을 방지하도록 한 냉동기기용 체결유닛에 관한 것이다.The present invention relates to a fastening unit for a refrigeration machine, and more specifically to a refrigeration machine fastening to prevent the cracks generated in the material by dispersing the stress caused by the expansion and contraction of the refrigerant and the deviation of the refrigerant temperature and the ambient temperature It's about the unit.
압축기와 응축기 및 증발기(팽창밸브)로 구성된 냉동기기는, 기화된 냉매를 가압하는 압축단계와, 상기 가압된 냉매를 액화하는 응축단계 및 상기 응축된 냉매를 저온·저압의 상태에서 기화시켜 주위의 열을 흡수하는 증발단계로 구성된 냉동사이클을 반복적으로 실시하여, 냉동기능을 수행하게 된다.A refrigeration apparatus comprising a compressor, a condenser, and an evaporator (expansion valve) includes a compression step of pressurizing a vaporized refrigerant, a condensation step of liquefying the pressurized refrigerant, and vaporizing the condensed refrigerant at a low temperature and a low pressure. By repeatedly performing a refrigeration cycle consisting of an evaporation step to absorb heat, it performs a freezing function.
한편 상기 냉매는, 냉동사이클에 의해 팽창과 수축을 반복하면서 냉매관 및 냉매관에 설치된 밸브를 통해 연속적으로 순환하게 되는데, 이때 상기 냉매의 팽창·수축과, 대기온도와 냉매온도의 편차는, 순환경로인 냉매관 및 밸브에 피로하중 및 반복하중을 누적시켜, 급기야는 재질의 균열을 발생시키게 된다.On the other hand, the refrigerant is continuously circulated through the refrigerant pipe and the valve installed in the refrigerant pipe while repeating expansion and contraction by the refrigeration cycle, wherein the expansion and contraction of the refrigerant, and the deviation between the atmospheric temperature and the refrigerant temperature, the circulation By accumulating fatigue loads and cyclic loads in the refrigerant pipes and valves, which are paths, the air supply field causes material cracks.
특히 이러한 현상은 히트펌프 냉공조기와, 팽창밸브와, 냉장-냉동 및 냉동-냉장 장치에 형성되어 냉매관 또는 구성요소간을 연설하는 이음쇠와, 냉매관 또는 밸브의 각 말단에 설치된 엔드캡 및 캡너트를 포함한 체결유닛에서 더욱 심화되는 바, 당업분야에서는 상기 냉매의 팽창 및 수축, 대기온도와 냉매온도의 편차에 의해 재질의 균열이 발생되기 이전에, 주기적으로 상기 체결유닛들을 교체하였다.In particular, this phenomenon is caused by heat pump cold air conditioners, expansion valves, fittings formed in the refrigerating-freezing and freezing-refrigerating units and extending between refrigerant tubes or components, and end caps and caps installed at each end of the refrigerant tubes or valves. Further deepening in a fastening unit including a nut, in the art, the fastening units are periodically replaced before the cracking of the material occurs due to the expansion and contraction of the coolant and the variation of the air temperature and the coolant temperature.
상기한 문제점을 해결하기 위해 안출된 본 고안의 목적은, 냉매의 팽창·수축과, 대기온도와 냉매온도의 편차에 의해 발생된 응력이 분산되도록 하여, 재질에 균열이 발생되는 것을 방지한 냉동기기용 체결유닛을 제공함에 있다.An object of the present invention devised to solve the above problems, the refrigerant caused by the expansion and contraction of the refrigerant, and the stress caused by the deviation of the atmospheric temperature and the refrigerant temperature is dispersed, for the refrigeration machine to prevent the cracks generated in the material In providing a fastening unit.
도 1은 본 고안에서 일 실시예로 제시하고 있는 균열방지기능을 가진 냉동기기용 체결유닛의 전체구조를 보여주는 사시구성도이며,1 is a perspective configuration diagram showing the overall structure of a fastening unit for a refrigerator having a crack preventing function, which is presented as an embodiment in the present invention,
도 2는 본 고안의 다른 실시예로 제시하고 있는 균열방지기능을 가진 냉동기기용 체결유닛의 전체구조를 보여주는 사시구성도이고,Figure 2 is a perspective view showing the overall structure of a fastening unit for a freezing device having a crack preventing function proposed in another embodiment of the present invention,
도 3은 본 고안의 또 다른 실시예로 제시하고 있는 균열방지기능을 가진 냉동기기용 체결유닛의 전체구조를 보여주는 사시구성도이며,3 is a perspective view showing the overall structure of a fastening unit for a freezing device having a crack preventing function, which is presented as another embodiment of the present invention,
도 4는 본 고안에서 제시한 균열방지기능을 가진 냉동기기용 체결유닛을 활용하여 서비스 밸브를 구성한 것을 보여주는 구조 단면도이고,Figure 4 is a cross-sectional view showing the configuration of the service valve by using a fastening unit for a refrigeration machine having a crack prevention function proposed in the present invention,
도 5는 본 고안에서 제시한 균열방지기능을 가진 냉동기기용 체결유닛을 활용하여 팽창밸브를 구성한 것을 보여주는 구조 단면도이다.Figure 5 is a structural cross-sectional view showing the configuration of the expansion valve using a fastening unit for a freezing device having a crack prevention function proposed in the present invention.
(도면의 주요부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)
10. 체결유닛10. Fastening unit
11′. 엔드캡형 몸체 11″. 캡너트형 몸체11 ′. End cap body 11 ″. Cap Nut Type Body
11″′. 이음쇠형 몸체 12. 요입홈11 ″ ′. Fitting Body 12. Groove
13. 탭 14. 통공100. 서비스 밸브 111. 밸브 수용관 111a. 스핀들 밸브 112. 냉매주입관 112a. 코아밸브 113. 냉매순환관(입구방향) 113′. 냉매순환관(출구방향) 114. 냉매관 200. 팽창밸브 210. 유입관부 220. 배출관부13. Tab 14. Through hole 100. Service valve 111. Valve receiving line 111a. Spindle valve 112. Refrigerant injection line 112a. Core valve 113. Refrigerant circulation pipe (inlet direction) 113 '. Refrigerant circulation pipe (outlet direction) 114. Refrigerant pipe 200. Expansion valve 210. Inlet pipe part 220. Outlet pipe part
본 고안에 의한 균열방지기능을 가진 냉동기기용 체결유닛은,The fastening unit for a freezer having a crack prevention function according to the present invention,
내주면에 탭을 가진 몸체 외주면에 하나이상의 요입홈을 형성하여, 냉매의 팽창·수축과, 대기온도와 냉매온도간의 편차에 의해 발생된 응력이 요입홈에 의해 분산되도록 한 것을 특징으로 하고 있다.One or more concave grooves are formed on the outer peripheral surface of the body having a tab on the inner circumferential surface, so that the stress generated by the expansion and contraction of the refrigerant and the deviation between the atmospheric temperature and the refrigerant temperature is dispersed by the concave groove.
본 고안에서는 바람직한 몸체의 형태로서, 내주면 일측에 탭을 형성하며 상부가 밀폐된 엔드캡의 형태와, 내주면 일측에 탭을 형성하며 상부에 통공을 형성한 캡너트의 형태, 또는 내주면 양단에 탭을 형성한 이음쇠 형태를 제시하고 있으며, 또 상기 몸체의 외주면에 반구형 또는 원뿔형의 요입홈을 형성하여, 응력이 국소부위에 집중되지 않도록 하고 있다.In the present invention, as a form of a preferred body, the tab is formed on one side of the inner circumferential surface and the upper end is closed, the tab nut is formed on one side of the inner circumferential surface, and the tab nut is formed on one side of the inner circumferential surface, or both ends of the inner circumferential surface The formed fitting shape is suggested, and a hemispherical or conical indentation groove is formed on the outer circumferential surface of the body so that stress is not concentrated on the localized portion.
이하, 첨부된 도면을 참조하여 본 고안에 의한 균열방지기능을 가진 냉동기기용 체결유닛의 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the fastening unit for a freezing device having a crack preventing function according to the present invention.
도 1과 도 2 및 도 3은 본 고안의 실시예에 따른 냉동기기용 균열방지 체결유닛의 전체구조를 보여주는 사시구성도로서, 도 1 내지 도 3을 참조하여 본 고안을 상세히 설명한다.1 and 2 and 3 is a perspective view showing the overall structure of the crack preventing fastening unit for a freezer according to an embodiment of the present invention, with reference to Figures 1 to 3 will be described in detail.
본 고안에 의한 냉동기기용 균열방지 체결유닛(10)은, 도 1 내지 도 3에서 보는 바와 같이, 내주면에 탭(13)을 가진 몸체(11′, 11″,11′″) 외주면에 하나이상의 요입홈(12)을 형성하여, 냉매의 팽창·수축과, 대기온도와 냉매온도의 편차에 의해 발생된 응력이 요입홈(12)에 의해 분산되도록 하고 있다.The crack preventing fastening unit 10 for a freezer according to the present invention, as shown in Figures 1 to 3, one or more yaw on the outer peripheral surface of the body (11 ', 11 ", 11" ") having a tab 13 on the inner peripheral surface The inlet grooves 12 are formed so that the stresses generated by the expansion and contraction of the refrigerant and the deviation of the atmospheric temperature and the refrigerant temperature are dispersed by the concavity grooves 12.
여기서 상기 요입홈(12)은, 사각뿔, 삼각뿔 등 다양한 형상으로 제작될 수 있지만, 상기와 같이 다각형으로 제작할 경우 응력이 모서리 부위에 집중되는 현상이 발생되어, 국부적으로 균열이 발생될 소지를 가지고 있다.Here, the recess 12 may be manufactured in various shapes such as a square pyramid and a triangular pyramid, but when the polygon is manufactured as described above, a phenomenon in which stress is concentrated at an edge portion may occur, and thus may have a local crack. .
따라서, 상기 요입홈(12)의 형상을 모서리가 형성되지 않는 형상인 반구형 또는 원뿔형으로 제작하여, 국소부위에 응력이 집중되지 않고 요입홈(12) 전면적에 골고루 분산될 수 있도록 하는 것이 바람직하며, 도 1 및 3에서는 이러한 바람직한 실시예를 도시하고 있다.Therefore, it is preferable that the shape of the concave groove 12 is formed in a hemispherical shape or a conical shape in which a corner is not formed, so that the stress is not concentrated at a localized portion and can be evenly distributed in the entire area of the concave groove 12. 1 and 3 illustrate this preferred embodiment.
또한, 상기 몸체(11′,11″,11′″)의 재질을 열팽창 계수가 비교적 높은 동합금으로 제작하여, 냉매의 상태변화에 의해 몸체의 팽창 및 수축이 원활히 이루어지도록 하는 것이 바람직하다.In addition, the material of the body (11 ', 11 ", 11" ") is preferably made of a copper alloy having a relatively high coefficient of thermal expansion, so that the expansion and contraction of the body smoothly by the change of state of the refrigerant.
이와 같이 구성된 냉동기기용 체결유닛(10)은, 도 1에 보는 바와 같이 내주면 일단에 탭을 형성하고 상부가 밀폐된 구조의 엔드캡 형태(11′) 또는 도 2에서보는 바와 같이 내주면 일단에 탭을 형성하고 상부에 통공(14)을 형성하여 냉매관의 연결부위에 설치되는 캡너트 형태(11″) 및 도 3에서 보는 바와 같이 내주면 양단에 탭(13)을 형성하여 냉매관을 연설하는 이음쇠(11′″)의 형태로 제작되어 활용될 수 있다.The fastening unit 10 for a refrigerating device configured as described above has a tab formed at one end of the inner circumferential surface as shown in FIG. 1, and an end cap form 11 ′ having an upper sealed structure or a tab at one end of the inner circumferential surface as shown in FIG. 2. Forming and forming a through-hole 14 in the upper portion of the cap nut (11 ″) installed on the connection portion of the refrigerant pipe, and as shown in FIG. 11 ′ ″) and can be utilized.
도 4는 서비스 밸브에 본 고안의 냉동기기용 체결유닛을 착설한 것을 보여주는 사용상태도이고, 도 5는 팽창밸브에 본 고안의 냉동기기용 체결유닛을 착설한 것을 보여주는 사용상태도이다.4 is a state diagram showing the installation of the fastening unit for the freezer of the present invention in the service valve, Figure 5 is a state diagram showing the installation of the fastening unit for the freezer of the present invention in the expansion valve.
본 고안에 의한 균열방지기능을 가진 냉동기기용 체결유닛(10)은, 전술한 바와 같이 팽창과 수축을 반복하는 냉매가 순환하는 냉매관과 이를 제어하는 밸브에 착설/활용될 수 있는데, 도 4에서는 일예로 스핀들 밸브(111a)를 가진 밸브수용관(111)과, 입구측·출구측 냉매 순환관(113′, 113″) 및 코아밸브(112a)가 내설된 냉매주입관(112)의 각 일단이 사방형태로 연설된 구조의 서비스 밸브(100)에 착설하고 있다.The fastening unit 10 for a freezing device having a crack preventing function according to the present invention, as described above can be installed / utilized in the refrigerant pipe circulating the refrigerant repeating expansion and contraction and the valve for controlling the same, in FIG. For example, each end of the valve accommodation pipe 111 having the spindle valve 111a, the refrigerant inlet pipe 112 in which the inlet side and the outlet side refrigerant circulation pipes 113 'and 113 ″ and the core valve 112a are installed. It is installed in the service valve 100 of the structure which spread | done in this all directions.
구체적으로는 상기 밸브수용관(111)의 말단에 엔드캡 형태의 몸체(11′)를 가진 균열방지용 체결유닛(10)을, 출구측 냉매 순환관(113″)과 냉매주입관(112)의 말단에 캡너트 형태의 몸체(11″)를 가진 체결유닛(10)을 각각 설치하여, 기밀유지기능과 냉매의 충전 및 토출기능을 가지도록 하고 있다.Specifically, the crack preventing fastening unit 10 having an end cap-shaped body 11 'at the end of the valve accommodation tube 111 is formed of the outlet refrigerant circulation tube 113 " and the refrigerant injection tube 112. The fastening units 10 each having a cap nut-shaped body 11 " at the end are respectively provided to have an airtight function and a charge and discharge function of the refrigerant.
또 도 5에서는 냉매의 상태변화가 급격하게 발생되는 팽창밸브(200)에 본 고안의 일실시예로 제공된 균열방지기능을 가진 냉동기기용 체결유닛(10)을 설치하고 있다.In addition, Figure 5 is provided with a fastening unit for the refrigeration unit 10 having a crack preventing function provided as an embodiment of the present invention in the expansion valve 200 is a rapid change in the state of the refrigerant.
구체적으로 응축기(도시되지 않음)에서 응축된 냉매가 유입되는 팽창밸브(200)의 유입관부(210)와, 기화되는 냉매를 증발기(도시되지 않음)로 배출하기 위한 배출관부(220)에 각각 본 고안에 의한 이음쇠 형태의 몸체(11″′)를 가진 체결유닛(200)을 설치하여, 응축기와 연결된 냉매관(114)과 증발기와 연결된 냉매관(114)을 각각 연설하고 있다.Specifically, the inlet pipe portion 210 of the expansion valve 200 into which the refrigerant condensed in the condenser (not shown) and the discharge pipe portion 220 for discharging the vaporized refrigerant to the evaporator (not shown), respectively. By installing a fastening unit 200 having a fitting-shaped body 11 ″ ′ according to the present invention, the refrigerant pipe 114 connected to the condenser and the refrigerant pipe 114 connected to the evaporator are addressed, respectively.
여기서 상기 몸체의 외주면에 형성된 요입홈(12)은, 냉매의 팽창·수축과, 대기온도와 냉매온도의 편차에 의해 발생된 응력을 외부로 분산하여, 체결유닛(10)의 균열을 방지하게 된다.In this case, the recessed groove 12 formed on the outer circumferential surface of the body disperses stress generated by expansion and contraction of the refrigerant and deviation of the atmospheric temperature and the refrigerant temperature to the outside to prevent cracking of the fastening unit 10. .
한편 본 고안에서는 냉동기기에서 가장 많이 사용되는 엔드캡과 캡너트 및 이음쇠를 들어 본 고안에 따른 기술적 사상을 설명하고 있다.On the other hand, the present invention describes the technical idea according to the present invention for the end caps and cap nuts and fittings that are most used in the refrigerator.
그러나 본 고안에서는 이와 유사한 구조를 가진 이음관 냉매관에도 본 고안의 기술적 사상은 적용가능한 바, 이는 본 고안의 기술범위로 보아야 할 것이다.However, in the present invention, the technical idea of the present invention is applicable to a joint pipe refrigerant pipe having a similar structure, which should be regarded as the technical scope of the present invention.
전술한 바와 같이 본 고안에 의한 냉동기기용 체결유닛은, 외주면에 형성된 요입홈에 의해 냉매의 팽창·수축과, 대기온도와 냉매온도의 편차로 발생된 응력을 분산시키도록 함으로써, 수명을 연장하는 효과를 가지게 된다.As described above, the fastening unit for a freezer according to the present invention has the effect of extending the life by dispersing the stress caused by the expansion and contraction of the refrigerant and the deviation of the atmospheric temperature and the refrigerant temperature by the recessed groove formed on the outer peripheral surface. Will have
특히 본 고안에 의한 냉동기기용 균열방지 체결유닛은, 히트펌프 냉공조기와 팽창밸브와 냉동-냉장 및 냉동-냉장 장치에 활용될 경우, 더욱 확연하게 상기한 효과가 창출될 것이다.In particular, the crack preventing fastening unit for a freezer according to the present invention, when used in the heat pump cold air conditioner and expansion valve and freezing-refrigeration and freezing-refrigeration device will be more clearly the above-mentioned effect.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2003-0012066U KR200319323Y1 (en) | 2003-04-18 | 2003-04-18 | Anti-crack connecting unti for refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2003-0012066U KR200319323Y1 (en) | 2003-04-18 | 2003-04-18 | Anti-crack connecting unti for refrigerator |
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| Publication Number | Publication Date |
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| KR200319323Y1 true KR200319323Y1 (en) | 2003-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR20-2003-0012066U KR200319323Y1 (en) | 2003-04-18 | 2003-04-18 | Anti-crack connecting unti for refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101183674B1 (en) | 2011-06-21 | 2012-09-17 | 주식회사 애니락코리아 | Fastening member of body capacity changeable |
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- 2003-04-18 KR KR20-2003-0012066U patent/KR200319323Y1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101183674B1 (en) | 2011-06-21 | 2012-09-17 | 주식회사 애니락코리아 | Fastening member of body capacity changeable |
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