WO2019216558A1 - Raccord de tuyau en aluminium revêtu de résine pour unité extérieure de climatiseur - Google Patents

Raccord de tuyau en aluminium revêtu de résine pour unité extérieure de climatiseur Download PDF

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Publication number
WO2019216558A1
WO2019216558A1 PCT/KR2019/004325 KR2019004325W WO2019216558A1 WO 2019216558 A1 WO2019216558 A1 WO 2019216558A1 KR 2019004325 W KR2019004325 W KR 2019004325W WO 2019216558 A1 WO2019216558 A1 WO 2019216558A1
Authority
WO
WIPO (PCT)
Prior art keywords
inclined surface
refrigerant pipe
compression ring
compression
screw portion
Prior art date
Application number
PCT/KR2019/004325
Other languages
English (en)
Korean (ko)
Inventor
김환영
Original Assignee
Kim Hwan Young
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
Priority claimed from KR1020190034934A external-priority patent/KR102158368B1/ko
Application filed by Kim Hwan Young filed Critical Kim Hwan Young
Priority to EP19800685.0A priority Critical patent/EP3770477A4/fr
Priority to JP2020560442A priority patent/JP6896314B2/ja
Priority to US17/050,066 priority patent/US11054155B2/en
Priority to CN201980028549.2A priority patent/CN112041605B/zh
Publication of WO2019216558A1 publication Critical patent/WO2019216558A1/fr

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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
    • 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
    • F16L19/05—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 with a rigid pressure ring between the screwed member and the exterior of the flared pipe end
    • 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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/24—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with parts screwed directly on or into the hose
    • 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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/26—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses specially adapted for hoses of metal
    • 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 specification relates to a pipe connector for an outdoor unit of an air conditioner, and in more detail, to connect a refrigerant pipe (referring to a resin coated aluminum pipe) to a service valve of an outdoor unit in a sealing state by a one-touch method, a resin for an air conditioner outdoor unit. Relates to a coated aluminum tubing connector.
  • a pipe connection structure In general, in order to connect various pipes, such as a refrigerant pipe and a gas pipe of an air conditioner to a predetermined mechanical device, a pipe connection structure is required.
  • connection structure of these pipes should basically prevent the leakage or leakage of fluid inside and satisfy the conditions such as not being relaxed by vibration or external shock.
  • connection structure of the pipe may extend the end of the pipe like a fallopian tube, but may maintain airtightness as the expansion pipe is in close contact with the tip of the bolt as the nut and the bolt are coupled to each other while the expansion pipe is sandwiched. .
  • Embodiments of the present disclosure associated with the resin-coated aluminum tubing connector for outdoor air conditioner, allowing the worker who has insufficient working experience to jointly connect the refrigerant pipe to easily connect the refrigerant pipe without damaging the expansion portion of the refrigerant pipe and the compression ring supporting it. do.
  • Embodiments of the present disclosure relate to a resin coated aluminum tubing connector for an outdoor unit of an air conditioner, which is capable of preventing galvanic corrosion due to mutual contact between a compression ring of a different material and a refrigerant pipe.
  • Refrigerant tube of aluminum material is formed expansion portion at the end;
  • a service valve including a connection port having a first inclined surface at an end thereof and having a first screw portion formed at an outer circumference thereof;
  • a first compression ring having an inclined surface corresponding to the first inclined surface at one end of the inner circumference and having a first catching jaw formed at the other end of the inner circumference;
  • a second compression ring having a second inclined surface corresponding to the expansion pipe portion formed therein and an accommodation side wall extending above the second inclined surface;
  • a second catching jaw corresponding to the first catching jaw is formed on the outer circumference and has a lower end accommodated in the receiving side wall, and seals a gap between the close contact surfaces of the first and second compression rings, and the first and second compression rings. Sealing material for blocking the expansion of the refrigerant pipe contact each other;
  • a first threaded jaw formed outside the center through hole, an inclined surface formed at the outer end of the first caught jaw, a second caught jaw formed at the outer end of the inclined surface, and a first screw portion formed at an outer periphery
  • a service valve comprising a port
  • a first compression ring having an inclined surface corresponding to the inclined surface of the service valve at one end of the outer circumference, and sealing the outer circumference of the refrigerant pipe during compression;
  • the second screw portion corresponding to the first screw portion is formed at the inner circumferential inlet side, the through hole is formed through the refrigerant pipe in the center and the inclined surface corresponding to the inclined surface of the second compression ring at the inner end of the through hole It provides a resin-coated aluminum pipe connector for an air conditioner outdoor unit characterized in that it comprises a fastener formed.
  • the resin coated aluminum pipe connector for an outdoor air conditioner according to an embodiment of the present disclosure having the above-described configuration has the following advantages.
  • FIG. 1 is a schematic view of a resin coated aluminum pipe connector for an air conditioner outdoor unit according to an embodiment of the present disclosure
  • FIG. 2 is a cross-sectional view of the pipe connector shown in FIG.
  • FIG. 3 is a schematic view of a resin coated aluminum pipe connector for an outdoor air conditioner according to another embodiment of the present specification
  • FIG. 4 is a cross-sectional view of the piping connector shown in FIG.
  • the resin coated aluminum pipe connector for an air conditioner outdoor unit according to an embodiment of the present disclosure
  • a service valve 15 for an outdoor unit including a connection port 14 having a first slope 12 formed at an end thereof and a first screw portion 13 formed at an outer circumference thereof;
  • a first compression ring 23 having an inclined surface 31 corresponding to the first inclined surface 12 at one end of the inner circumference and having a first locking jaw 23b formed at the other end of the inner circumference;
  • a second compression ring 24 having a 2-1 inclined surface 24a corresponding to the expansion pipe 10 and having an accommodating side wall 24c extending above the 2-1 inclined surface 24a;
  • the second catching jaw 30a corresponding to the first catching jaw 23b is formed at the outer circumference and the lower end is accommodated in the receiving side wall 24c, and the gap between the first and second compression rings 23 and 24 is in close contact with each other.
  • Sealing material 30 for sealing the first and second compression rings (23, 24) and the expansion portion 10 of the refrigerant pipe (11) (for example, Teflon material elastically deformed during compression May be formed);
  • a fastener 22 having first and second compression rings 23 and 24 seated on a seating part 20 is used as a refrigerant pipe 11 having an extension part 10 formed at an end thereof.
  • the expansion part 10 of the refrigerant pipe 11 of aluminum material and the first and second compression rings 23 and 24 made of brass are mutually contacted with each other. This prevents galvanic corrosion.
  • the inclined surface 31 of the first compression ring 23 formed to correspond to the first inclined surface 12 formed at the end of the connection port 14 of the service valve 15 is brought into close contact with the inner circumference of the first compression ring 23.
  • the second catching jaw 30a of the sealing member 30 formed to correspond to the first catching jaw 23b formed thereon is in close contact with the formed first catching jaw 23b.
  • the refrigerant pipe 11 may be jointly connected to the connection port 14 of the service valve 15 in an airtight state.
  • the first and second compression rings 23 made of brass are blocked by blocking the contact between the first and second compression rings 23 and 24 and the expansion pipe 10 of the refrigerant pipe 11 by the sealing material 30.
  • 24 and the expansion pipe 10 of the refrigerant pipe 11 formed of an aluminum material may be prevented from galvanic corrosion due to contact of different materials.
  • the first and second compression rings 23 and 23 made of brass seated on the seating portion 20 of the fastener 22. Since 24) is in close contact, the compressive force is applied to the sealing member 30 of the Teflon material more than necessary to prevent breakage (that is, bursting by applying more compressive force than necessary).
  • a fastener 22 in which the first and second compression rings 23 and 24 are seated on the seating portion 20 is provided with the service valve 15.
  • the first and second compression rings as the sealing member 30 is elastically deformed between the connecting port 14 of the service valve 15 and the expansion part 10 of the refrigerant pipe 11 when fastening to the connection port 14 of the service valve 15. Galvanic corrosion due to contact of dissimilar materials by sealing the gaps between the 23 and 24, and preventing the first and second compression rings 23 and 24 and the expansion part 10 of the refrigerant pipe 11 from contacting each other. Can be prevented.
  • a service valve 15 for an outdoor unit including a jaw 14c and a connection port 14 having a first screw portion 13 formed on an outer circumference thereof;
  • An inclined surface a corresponding to the inclined surface 14d of the service valve 15 is formed at one end of the outer circumference thereof, and is elastically deformed during compression to seal the gap between the refrigerant pipe 11 and the connection port 14.
  • a compression ring A (for example, may be formed of an elastically deformable Teflon material during compression);
  • a catching jaw 18a on which the first compression ring A is seated is formed at the inner circumference, and a recess 18b is formed at the outer circumference to facilitate elastic deformation, and is formed at the bottom of the recess 18b and is compressed.
  • a pressure piece 18c is formed on the outer circumference of the coolant pipe 11 so as to be elastically deformed in a radial direction to prevent the coolant pipe 11 from being separated from the fastener 22, and a second catching jaw of the service valve 15 is formed.
  • a second compression ring 18 of brass material having an upper end seated at 14c;
  • the refrigerant pipe 11 is connected to the service valve by using the fastener 22 screwed to the air conditioner service valve 15 in which the first and second compression rings A and 18 are accommodated.
  • the joint can be connected to (15) in a hermetic state.
  • the first compression ring A is seated on the engaging jaw 18a formed on the inner circumference of the second compression ring 18 to be coupled thereto.
  • the inclined surface (a) formed at one end of the outer circumference of the first compression ring (A) is seated in close contact with the inclined surface (14d) of the service valve 15, the upper end of the second compression ring (18) of the service valve (15) It is seated on the second catching jaw 14c.
  • the first catching jaw 14b of the service valve 15 is formed by sequentially passing through the second compression ring 18 and the first compression ring A the end of the refrigerant pipe 11 passing through the through hole 22a of the fastener 22. ), And then screw the second screw portion 19 of the fastener 22 corresponding thereto to the first screw portion 13 of the service valve 15.
  • the sealing member 25 (formed from the Teflon material that is elastically deformed at the time of compression) coupled to the inside, further comprising, to the connection port 14 of the service valve 15
  • the end of the refrigerant pipe 11 is closely contacted with the end of the refrigerant pipe 11 by the sealing member 25 elastically deformed between the end of the refrigerant pipe 11 and the first catching jaw 14b. It is possible to prevent the refrigerant from leaking through the gap between the first catching jaws 14b.
  • the first compression ring A is elastically deformed due to the compression of the second compression ring 18 (elastic deformation during compression).
  • the inclined surface a of the Teflon material is compressed in a state of being in close contact with the inclined surface 14d of the service valve 15.
  • the inclined surface a of the first compression ring A formed of the Teflon material is elastically deformed, and the inclined surface a end thereof is compressed into the coating layer coated on the outer circumferential edge of the coolant tube 11, thereby compressing the coolant tube 11.
  • the gap between the outer periphery and the inclined surface 14d of the service valve 15 can be sealed by the first compression ring A to maintain the airtight state.
  • the groove (18b) is formed on the outer periphery of the cylindrical portion (not shown) formed between the locking step (18a) and the pressing piece (18c) of the second compression ring 18, the server valve 15 of the When the fastener 22 is fastened to the connection port 14, the compressive force applied in the radial direction to the pressing piece 18c of the second compression ring 18 may be increased.
  • the amount of elastic deformation of the pressing piece 18c of the second compression ring 18 applied to the outer circumference of the refrigerant pipe 11 can be increased.
  • the groove 18b and the slot 18d which are formed at least one cut in the axial direction in the above-described groove 18b and the pressing piece 18c are further provided, so that the fastener to the connection port 14 of the server valve 15 is provided.
  • the 22 is fastened, the amount of elastic deformation generated in the pressing piece 18c of the second compression ring 18 by the slot 18d can be increased.

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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)

Abstract

L'invention concerne un raccord de tuyau en aluminium revêtu de résine pour une unité extérieure de climatiseur pour raccorder conjointement un tuyau de fluide frigorigène à une soupape de service dans un état scellé par un procédé à une seule interaction. Un raccord de tuyau en aluminium revêtu de résine pour une unité extérieure de climatiseur, selon un mode de réalisation de la présente invention, comprend : un tuyau de fluide frigorigène en matériau d'aluminium ayant une partie d'expansion formée au niveau d'une extrémité de celui-ci ; une soupape de service ayant une première surface inclinée formée à une extrémité de celle-ci et comprenant un orifice de raccord ayant une première partie vis formée sur une circonférence externe de celui-ci ; une première bague de compression ayant une surface inclinée correspondant à la première surface inclinée à une extrémité d'une circonférence interne de celle-ci et ayant une première saillie d'accrochage formée à l'autre extrémité de la circonférence interne ; une seconde bague de compression ayant une seconde surface inclinée correspondant à la partie d'expansion formée à l'intérieur de celle-ci et ayant une paroi latérale de réception s'étendant au-dessus de la seconde surface inclinée ; un élément d'étanchéité ayant une seconde saillie d'accrochage correspondant à la première saillie d'accrochage formée sur une circonférence externe de celui-ci et ayant une extrémité inférieure logée dans la paroi latérale de réception et pour sceller un espace entre des surfaces de contact des première et seconde bagues de compression et pour empêcher les première et seconde bagues de compression d'être en contact avec la partie d'expansion du tuyau de fluide frigorigène ; et un élément de fixation ayant une seconde partie vis correspondant à la première partie vis formée au niveau d'un côté d'entrée circonférentielle interne de celui-ci et ayant une partie d'assise sur laquelle les première et seconde bagues de compression sont assises formée sous la seconde partie vis.
PCT/KR2019/004325 2018-05-09 2019-04-11 Raccord de tuyau en aluminium revêtu de résine pour unité extérieure de climatiseur WO2019216558A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19800685.0A EP3770477A4 (fr) 2018-05-09 2019-04-11 Raccord de tuyau en aluminium revêtu de résine pour unité extérieure de climatiseur
JP2020560442A JP6896314B2 (ja) 2018-05-09 2019-04-11 エアコン室外機用樹脂コーティングアルミニウム配管連結具
US17/050,066 US11054155B2 (en) 2018-05-09 2019-04-11 Resin-coated aluminum pipe connector for air conditioner outdoor unit
CN201980028549.2A CN112041605B (zh) 2018-05-09 2019-04-11 空调室外机用树脂涂层铝管连接件

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20180052875 2018-05-09
KR10-2018-0052875 2018-05-09
KR20180082891 2018-07-17
KR10-2018-0082891 2018-07-17
KR10-2019-0034934 2019-03-27
KR1020190034934A KR102158368B1 (ko) 2018-07-17 2019-03-27 에어컨 실외기용 수지코팅 알루미늄 배관 연결구

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WO2019216558A1 true WO2019216558A1 (fr) 2019-11-14

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PCT/KR2019/004325 WO2019216558A1 (fr) 2018-05-09 2019-04-11 Raccord de tuyau en aluminium revêtu de résine pour unité extérieure de climatiseur

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Country Link
WO (1) WO2019216558A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090004036U (ko) * 2007-10-26 2009-04-30 삼성전자주식회사 공기조화기
US20120175874A1 (en) * 2010-08-31 2012-07-12 Philmac Pty Ltd Stepped down grip ring for use in pipe couplings and pipe coupling incorporating same
KR101407491B1 (ko) * 2012-11-09 2014-06-13 성기천 매립박스 배관 커넥터 및 이를 이용한 배관 연결방법
KR101479288B1 (ko) * 2014-08-21 2015-01-06 홍만기 알루미늄 냉매관 연결 구조
KR101561257B1 (ko) * 2014-07-21 2015-10-16 오형동 냉매 관의 연결구조

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090004036U (ko) * 2007-10-26 2009-04-30 삼성전자주식회사 공기조화기
US20120175874A1 (en) * 2010-08-31 2012-07-12 Philmac Pty Ltd Stepped down grip ring for use in pipe couplings and pipe coupling incorporating same
KR101407491B1 (ko) * 2012-11-09 2014-06-13 성기천 매립박스 배관 커넥터 및 이를 이용한 배관 연결방법
KR101561257B1 (ko) * 2014-07-21 2015-10-16 오형동 냉매 관의 연결구조
KR101479288B1 (ko) * 2014-08-21 2015-01-06 홍만기 알루미늄 냉매관 연결 구조

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3770477A4 *

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