WO2016013808A1 - Structure de raccordement de tube de réfrigérant - Google Patents

Structure de raccordement de tube de réfrigérant Download PDF

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Publication number
WO2016013808A1
WO2016013808A1 PCT/KR2015/007427 KR2015007427W WO2016013808A1 WO 2016013808 A1 WO2016013808 A1 WO 2016013808A1 KR 2015007427 W KR2015007427 W KR 2015007427W WO 2016013808 A1 WO2016013808 A1 WO 2016013808A1
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WO
WIPO (PCT)
Prior art keywords
expansion
pipe
refrigerant pipe
valve
sealing member
Prior art date
Application number
PCT/KR2015/007427
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English (en)
Korean (ko)
Inventor
오형동
Original Assignee
오형동
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 오형동 filed Critical 오형동
Publication of WO2016013808A1 publication Critical patent/WO2016013808A1/fr

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    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/04—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units

Definitions

  • the present invention provides a connection of a refrigerant pipe that connects each end portion of the refrigerant pipe to guide the refrigerant gas progression between the indoor and outdoor air forming the cooling or heating device and the cooling / heating device (hereinafter referred to as "air conditioner"). It's about structure.
  • the air conditioner is divided into indoor / outdoor, and the refrigerant pipes are interconnected and installed to allow refrigerant gas to flow between the indoor / outdoor air, and the airtight conditioner should be installed to maintain airtightness between each end portion of the refrigerant pipe and the indoor / outdoor air. It is essential.
  • the Japanese Utility Model Model Publication No. 50-045946 which will be briefly described with reference to FIG. 1, inserts a fastener (1) capable of screwing into an end portion, and forms a flared expandable portion (2) at the end thereof. Connect the sphere (1) by connecting to the connector (3) provided in the indoor unit or outdoor unit.
  • the copper tube and the fastener 1 and the connector 3 forming the expansion pipe 2 are all made of metal, there is a limit in maintaining airtightness due to the coupling between the metals, and in particular, the copper tube has a high price. There is a problem that the installation cost rises.
  • the aluminum (Al) tube is used instead.
  • Al aluminum
  • such an aluminum tube has a problem that is vulnerable to corrosion.
  • connection structure of the refrigerant pipe using the resin-coated aluminum (Al) pipe there is a registered Patent No. 10-1195425 shown in FIG. 2, which the inventors have invented and registered.
  • a valve 10 installed at a corresponding location of an outdoor unit and an indoor unit of a cooling and heating device, and having a bolt portion 11 formed at a rear side thereof, and an inclined surface 12 having an outer diameter gradually decreasing toward an end portion at a rear end of the bulge portion;
  • a trumpet-shaped expansion pipe portion 21 is formed at the front to be coupled to the inclined surface of the valve, and the outer surface of the refrigerant pipe is resin coated;
  • the front end portion is formed with an internal extension 51 having the same shape as that of the expansion portion so as to be tightly coupled inside the expansion pipe, and the front end of the internal expansion portion tightly surrounds and protects the front end of the expansion pipe.
  • An inner sleeve 50 formed to extend and form an inner fitting pipe 54 fitted into the refrigerant pipe to the rear of the inner extension part;
  • the front end portion is formed to be tightly coupled to the outside of the expansion pipe portion is formed with an external extension portion 31 having the same shape as the expansion pipe portion, the front end of the outer extension portion of the airtight holding that the surface contact with the protector 52 to maintain airtightness
  • An outer sleeve 30 formed with an extension portion 32 and having an outer fitting pipe 35 fitted to the outside of the refrigerant pipe at the rear of the outer extension part;
  • Refrigerant pipe connection structure of the Patent No. 10-1195425 has the configuration as described above, the outer sleeve 30 and the inner sleeve 50 is stainless, the refrigerant pipe 20 is aluminum, the valve 10 and the nut ( 40) is copper, and the parts of different materials have different coefficients of thermal expansion, so that the continuous operation and rest of the air conditioner are repeated, resulting in different shrinkage and expansion rates of the parts, thereby making it difficult to secure airtightness. Because of the combination between the two even if a solid coupling is not possible to ensure complete airtight there is a problem that the cooling / heating efficiency of the air conditioner is deteriorated due to leakage of the refrigerant gas.
  • the present invention is invented to solve the above problems, the object is,
  • the problem solving means of the present invention for achieving the above object is the valve 110 is installed in the indoor / outdoor air corresponding places of the air conditioner, and the refrigerant pipe 140 formed with a trumpet-shaped expansion pipe 141 in the front and An inner sleeve 130 having an inner expanding portion 131 fitted into the expanding portion, an outer sleeve 150 having an outer expanding portion 151 coupled to an outer portion of the expanding portion, and an expanding portion;
  • the connection structure of the refrigerant pipe made of a nut 170 screwed to the valve 110 in a state that accommodates the inner sleeve, the outer sleeve,
  • a first sealing member 120 having a shape corresponding to the inner expansion portion is provided between the lower part of the valve 110 and the inner expansion portion 131 to ensure airtightness and protect the inner expansion portion.
  • the first sealing member has an inner surface in close contact with the lower portion of the valve, the outer surface is in close contact with the inner expansion portion 121 is formed in the lower portion and the inner portion of the inner sleeve 130 A lower sleeve 123 that is tightly fitted to and coupled to the upper portion of the upper portion of the expansion part so as to vertically upwardly contact the lower portion of the valve,
  • a second sealing member 160 having a shape corresponding to the external expansion unit is provided to secure airtightness and protect the external expansion unit.
  • the upper portion of the second sealing member is formed by forming an upper upward extension portion 161 in contact with the expansion portion 121 of the first sealing member.
  • Refrigerant pipe connection structure of the present invention having the configuration as described above, as described in the above object, first, to protect the refrigerant pipe expansion of the aluminum material, and second, to maintain the firm fastening force, and third, the solid By preventing the leakage of refrigerant gas due to maintaining the tightening force has an effect that can improve the cooling / heating efficiency of the air conditioner.
  • FIG. 1 is a cross-sectional view illustrating a refrigerant pipe connection structure of a first embodiment of the present invention
  • FIG. 2 is a cross-sectional view illustrating a refrigerant pipe connection structure of a conventional second embodiment
  • FIG. 3 is an exploded perspective view illustrating a damaged state of a conventional aluminum refrigerant pipe
  • FIG. 4 is an exploded perspective view illustrating the refrigerant pipe connection structure of the present invention.
  • FIG. 5 is an exploded cross-sectional view illustrating a refrigerant pipe connection structure of the present invention.
  • FIG. 6 is an enlarged cross-sectional view illustrating the refrigerant pipe connection structure of the present invention.
  • the nut 170 is connected to the refrigerant pipe 140 so that the expansion pipe 141 of the refrigerant pipe 140 is tightly coupled to the tapered portion 113 of the valve 110 to maintain airtightness.
  • 140 and the bolt 110 and the nut 170 are coupled and screwed together, the male screw 112 of the valve 110 and the female screw 172 of the nut 170 are screwed together and the refrigerant pipe 140 ),
  • the expansion pipe 141 is tightly and firmly fastened to the tapered portion 113 of the valve 110.
  • the material of the refrigerant pipe 140 in which the expansion pipe part 141 is formed is aluminum, and the valve 110 is one of copper, iron, and stainless steel, and thus, when the nut 170 is tightened too strongly, the expansion pipe of the refrigerant pipe 140 is formed.
  • the coupling force of the taper portion 113 of the valve 141 and the valve 110 becomes stronger, the expansion portion 141 is damaged or broken as shown in FIG. 3, and thus the expansion portion 141 and the tapered portion 113 are generated. There is a problem that the bonding force between the breakdown occurs and leakage of the refrigerant occurs.
  • the present invention provides an inner surface of the expansion pipe 141 of the refrigerant pipe 140 and a tapered portion of the valve 110.
  • An expansion pipe portion of the refrigerant pipe 140 is interposed between an outer surface of the refrigerant pipe 140 and an inner sleeve 130 having an internal expansion pipe portion 131 having a shape corresponding to the expansion pipe portion 141 of the refrigerant pipe 140 is formed.
  • the inner side and the outer side of the expansion part 141 of the expansion pipe 141 of the refrigerant pipe 140 are disposed on the outer surface of the refrigerant pipe 140 through the outer sleeve 150 having the external expansion pipe 151 formed therein. 151 is wrapped and tightly fixed to prevent the leakage of the refrigerant to the refrigerant pipe 140, as well as to protect the expansion portion 141 of the refrigerant pipe 140.
  • the upper portion of the inner expansion portion 131 is bent downward, and the upper portion of the outer expansion portion 151 forms an extension portion 152 that is vertically upward, because the bolt 110 is shown in FIG. 6.
  • the upper end of the expansion pipe 141 of the refrigerant pipe 140 is wrapped around the upper portion of the internal expansion pipe 131, and the tip of the internal expansion pipe 131 is By being in close contact with the inner surface of the external expansion pipe 151 to protect the expansion pipe 141 of the refrigerant pipe 140, as well as to ensure airtightness.
  • the upper downward bent portion of the inner expansion portion 131 and the outer expansion portion 151 protect the end portion of the expansion portion 141 of the refrigerant pipe 140.
  • the upper end of the expansion pipe 141 is not directly in contact with the tapered portion 113 of the valve 110, and the upper downward bent portion of the internal expansion pipe 131 and the extension of the external expansion pipe 151. Because it is accepted by 152.
  • the external expansion unit 151 of the outer sleeve 150 and the internal expansion unit 131 of the inner sleeve 130 are formed in a shape corresponding to the shape of the expansion unit 141 of the refrigerant pipe 140 to form a refrigerant pipe.
  • the expansion portion 141 of the 140 is tightly wrapped to protect and maintain confidentiality at the same time.
  • the tube 153 of the outer sleeve 150 is formed with an anchor piece 154 facing inward of the tube 153.
  • the reason for forming the anchor piece 154 is that the outer sleeve 150 is a refrigerant pipe. After being inserted into the 140, the end of the anchor piece 154 is fixed while being in close contact with the resin coating layer 142 of the refrigerant pipe 140, the outer sleeve 150 is fitted into the refrigerant pipe 140 is coupled This is to be secured without being separated from the position coupled to the refrigerant pipe 140 is coupled.
  • the anchor piece 154 which serves as described above, is preferably formed to have an inclination from the top to the bottom direction, but in addition, the outer sleeve 151 and the expansion pipe 141 are coupled to each other, and then the outer sleeve from the coupling position thereof. As long as 150 is the anchor piece 154 of the structure which does not deviate, it is all possible.
  • the tube 153 of the outer sleeve 150 is formed with a protrusion 155 facing the outside of the tube 153, the reason for forming the protrusion 155, the outer sleeve 150 is a nut 170
  • the protrusion 155 is coupled to the protrusion groove 174 after being seated on the seating portion 173 of the bottom) to prevent the positional deviation of the outer sleeve 150.
  • the inner sleeve 130 and the outer sleeve 150 are coupled to surround the inside and the outside of the expansion pipe 141 of the refrigerant pipe 140, the inner sleeve 130 is tapered of the valve 110.
  • the outer sleeve 150 is in contact with the seating portion 173 of the nut 170, wherein the inner sleeve 130, the outer sleeve 150, the nut 170, the valve 110 are all Is a metal, the weakness of the coupling force, that is, the airtightness is weakened to prevent this occurs between the inner expansion portion 131 of the inner sleeve 130 and the tapered portion 113 of the valve 110 and the external expansion of the outer sleeve 150
  • the first sealing member 120 and the second sealing member 160 are interposed between the pipe part 151 and the seating part 173 of the nut 170 to secure airtightness, as well as the inner sleeve 130 and To protect the outer sleeve 150.
  • first sealing member 120 and the second sealing member 160 are made of a material having a contraction and expansion force, not only the inner sleeve 130 and the outer sleeve 150 are protected, but also the external shock. It will be able to buffer and maintain a close bond.
  • the first sealing member 120 acting as described above is formed in a shape that matches the shape of the inner expanding portion 131, and the shape of the second sealing member 160 matches the shape of the outer expanding portion 151. It is preferable that it is formed in the shape to be. The reason is to secure close contact and thus airtightness and to protect the inner sleeve 130 and the outer sleeve 150.
  • the lower sleeve 123 is formed in the lower portion based on the expansion part 121 so as to be accommodated to the lower end of the formed male screw 112 and to improve airtightness.
  • the sleeve 123 is fitted to be coupled to ensure a secure coupling of the first sealing member 120.
  • the reason why the extension part 161 is formed on the upper part of the second sealing member 160 is that the upper end of the extension part 161 after the completion of the refrigerant pipe 140 coupling by the refrigerant pipe connection structure of the present invention. As shown in FIG. 6, the airtightness is further improved by being in intimate contact with the expansion part 121 of the first sealing member 120.
  • the outer surface of the refrigerant pipe 140 is resin-coated to form the resin coating layer 142, the effect of heat retention, as well as corrosion resistance is improved and at the same time has an impact buffering force, 151) and the bonding force is improved.
  • the expansion portion 121 and the upper extension portion 122 of the first sealing member 120 are tapered portions of the valve 110 as shown in FIG. 6 after completion of the coupling.
  • Completely wrapped 113 is coupled, the lower sleeve 123 is tightly coupled to the inner sleeve 130 and at the same time the second sealing member 160 wraps around the outer expansion portion 151 of the outer sleeve 150 to extend Since the upper end of the portion 161 is in intimate contact with the outer surface of the first sealing member 120, complete airtightness is secured.
  • the refrigerant pipe connection structure of the present invention as described above, as described in the above effect, can protect the refrigerant pipe expansion portion of the aluminum material, and can maintain the firm tightening force continuously, the leakage of refrigerant gas due to the solid fastening force maintenance There is an advantage to improve the cooling / heating efficiency of the air conditioner by preventing.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Housings (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

L'invention concerne une structure de raccordement de tube de réfrigérant permettant de raccorder, afin de maintenir l'étanchéité à l'air, chacune des parties d'extrémité d'un tube de réfrigérant qui laisse passer un gaz réfrigérant entre une unité intérieure et une unité extérieure formant un dispositif de refroidissement ou de chauffage et un dispositif de refroidissement/chauffage. La conception de la structure de raccordement comprend : une soupape (110) qui est installée à des endroits correspondants sur l'unité intérieure et sur l'unité extérieure d'un climatiseur ; un tube de réfrigérant (140) qui présente une partie d'expansion de tube en forme de trompette (141) formée sur son avant ; un manchon extérieur (150) sur lequel la partie d'expansion de tube extérieur (151) est ajustée sur le tube de réfrigérant et couplée avec le côté extérieur de la partie d'expansion de tube ; un manchon intérieur (130) sur lequel une partie d'expansion (131) de tube extérieur est ajustée à l'intérieur et couplée avec la partie de d'expansion de tube ; un écrou (170) qui est ajusté sur le tube de réfrigérant de façon à recevoir le manchon extérieur, et qui est couplé par vissage avec la soupape (110) ; un premier élément d'étanchéité (120) qui maintient l'étanchéité à l'air entre la partie inférieure de la soupape (110) et le manchon interne (130), et qui présente une forme qui correspond à la forme du manchon intérieur (130) qui est doté d'une force d'expansion contractile ; et un second élément d'étanchéité (160) qui maintient l'étanchéité à l'air entre l'intérieur de l'écrou (170) et le manchon extérieur (150), et qui présente une force d'expansion et de contraction.
PCT/KR2015/007427 2014-07-21 2015-07-17 Structure de raccordement de tube de réfrigérant WO2016013808A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140092032A KR101561257B1 (ko) 2014-07-21 2014-07-21 냉매 관의 연결구조
KR10-2014-0092032 2014-07-21

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WO2016013808A1 true WO2016013808A1 (fr) 2016-01-28

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KR (1) KR101561257B1 (fr)
CN (1) CN105299347A (fr)
WO (1) WO2016013808A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106764119A (zh) * 2016-11-14 2017-05-31 无锡市乾泰金属构件厂 一种空调压缩机连接管

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CN106322559A (zh) * 2016-08-31 2017-01-11 新昌县开铭制冷配件有限公司 一种用于空调机制冷管的连接管
KR102308632B1 (ko) * 2016-10-13 2021-10-05 삼성에스디아이 주식회사 배터리 모듈
KR102308630B1 (ko) 2016-10-17 2021-10-05 삼성에스디아이 주식회사 배터리 모듈
KR101879248B1 (ko) 2018-04-23 2018-07-17 오형동 냉매 관의 연결구조
KR101889960B1 (ko) * 2018-04-26 2018-08-20 오형동 냉매 관의 연결구조
KR102158368B1 (ko) * 2018-07-17 2020-09-22 김환영 에어컨 실외기용 수지코팅 알루미늄 배관 연결구
WO2019216558A1 (fr) * 2018-05-09 2019-11-14 Kim Hwan Young Raccord de tuyau en aluminium revêtu de résine pour unité extérieure de climatiseur
CN112041605B (zh) * 2018-05-09 2021-11-12 金桓荣 空调室外机用树脂涂层铝管连接件
KR101949436B1 (ko) * 2018-08-27 2019-03-04 오형동 냉매 관의 연결구조
CN110805774A (zh) * 2019-12-05 2020-02-18 李贤弘 一种制冷剂管的接头结构

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KR20100113381A (ko) * 2009-04-13 2010-10-21 주식회사 에어컨이엔지 에어컨 배관매립 조인트박스가 구비된 배관이음구조
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KR101055938B1 (ko) * 2011-03-28 2011-08-09 성기천 단부에 확관부가 형성된 알루미늄피복관의 연결장치 및 이를 이용한 연결방법
KR101065743B1 (ko) * 2011-05-13 2011-09-19 성기천 에어컨용 알루미늄 피복관 연결방법
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Publication number Priority date Publication date Assignee Title
US4655486A (en) * 1986-02-07 1987-04-07 Price Pfister, Inc. Water faucet inlet line connector
KR20100113381A (ko) * 2009-04-13 2010-10-21 주식회사 에어컨이엔지 에어컨 배관매립 조인트박스가 구비된 배관이음구조
KR20130094946A (ko) * 2012-02-17 2013-08-27 황성수 결로방지용 에어컨 배관 조인트박스

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Publication number Priority date Publication date Assignee Title
CN106764119A (zh) * 2016-11-14 2017-05-31 无锡市乾泰金属构件厂 一种空调压缩机连接管

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CN105299347A (zh) 2016-02-03

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