WO2016039561A1 - Dispositif facile à construire pour raccorder un tuyau de réfrigérant - Google Patents

Dispositif facile à construire pour raccorder un tuyau de réfrigérant Download PDF

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Publication number
WO2016039561A1
WO2016039561A1 PCT/KR2015/009463 KR2015009463W WO2016039561A1 WO 2016039561 A1 WO2016039561 A1 WO 2016039561A1 KR 2015009463 W KR2015009463 W KR 2015009463W WO 2016039561 A1 WO2016039561 A1 WO 2016039561A1
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WO
WIPO (PCT)
Prior art keywords
flare
tapered surface
pipe
ring
refrigerant pipe
Prior art date
Application number
PCT/KR2015/009463
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English (en)
Korean (ko)
Inventor
김병섭
Original Assignee
에스이노베이션 주식회사
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Application filed by 에스이노베이션 주식회사 filed Critical 에스이노베이션 주식회사
Publication of WO2016039561A1 publication Critical patent/WO2016039561A1/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
    • F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/025—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
    • F16L19/028—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall
    • F16L19/0283—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall and having a bell-mouthed shape
    • 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
    • F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • 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
    • 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
    • F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0206—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe
    • 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
    • F16L19/043—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 additional sealing means
    • 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
    • F16L19/048—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 specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like
    • 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
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • 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

Definitions

  • the present invention relates to a refrigerant pipe connection device that is easy to install, and more particularly, when connecting the refrigerant pipe to the valve or nipple using a connection nut or the like, the flare crimping ring is supported to be movable back and forth in the hollow of the connection nut; By providing an elastic pressurizing member for elastically pressing the flare crimping ring, even if the refrigerant pipe is used as an aluminum pipe, the expanded flare does not have to be torn or broken by excessive compressive force.
  • the present invention relates to a refrigerant pipe connection device that is easy to install and can be installed on the site with proper torque notification means for performing a loosening prevention function of the connection nut and informing the user of the rotation stop point of the connection nut.
  • a refrigerant pipe of an air conditioner a refrigerant pipe made of copper material having high thermal conductivity and excellent rigidity and ductility is used.
  • connection part cannot be kept watertight or airtight.
  • this method has a problem in that it requires a special joining process for connecting the aluminum pipe and copper pipe that cannot be connected by normal welding.
  • Korean Utility Model Publication No. 20-0456768 (published date: 2011.11.21.) Has proposed a "sealing body for air conditioner pipe connecting device and an air conditioner having the same".
  • the prior art is a sealing body for sealing the connection portion of the pipe and the connecting unit in the device for connecting the air conditioner pipe and the connection unit of the indoor unit or outdoor unit of the air conditioner having an expansion pipe portion at the end is rubber or soft resin, etc. It is made of a material having the same elasticity, which is vulnerable to heat due to the characteristics of the material, and loses its elasticity by hardening with time, and is damaged or damaged by vibration or shock transmitted to the pipe, rather the elastic body is damaged or damaged There was a risk of gas leaking through.
  • the object of the present invention is to expand the refrigerant pipe in the connection portion of the valve or the nipple of the refrigerant pipe even if the refrigerant pipe is used as an aluminum pipe rather than the copper pipe.
  • the flared part will be torn or broken by the pressing force, and it can maintain the certain airtightness and prevent the loosening of the connecting nut, and it is equipped with the appropriate torque notification means to inform the user of the rotation stop point of the connecting nut.
  • An object of the present invention is to provide a refrigerant piping connection device that can be easily and easily installed in the field.
  • the easy-to-construction refrigerant pipe connection device has a refrigerant pipe having a flared portion with one end extending therein, and a pipe connection portion having a first tapered surface corresponding to the inclination of the flare at its tip.
  • a hollow is formed in the longitudinal direction through the inside, the refrigerant pipe is passed through one end, a thread is formed on the inner peripheral surface of the other end of the other end is connected to the pipe connection A connection nut screwed;
  • a second tapered surface corresponding to the first tapered surface is formed at a front end portion and is supported to be movable back and forth in the hollow of the connection nut in a state where the flare is interposed between the first tapered surface and the second tapered surface.
  • a hollow flare crimping ring An elastic pressing member which elastically presses the flare pressing ring forward so that the flare portion is brought into surface contact between the first tapered surface and the second tapered surface and is fixed by pressing;
  • Appropriate torque notification means for informing the user of the rotation stop point of the connection nut so that the other end of the connection nut can be screwed to the pipe connection with a predetermined torque;
  • the appropriate torque notification means the hollow notification ring is pressed into one end of the connection nut, one end is in contact with the rear end of the flare pressing ring and the other end is in contact with the front end of the notification ring
  • It is configured to include a push rod, the other end of the connection nut is screwed to the pipe connecting portion and when the flare pressing ring is moved to the rear when the push rod pushes the notification ring to the rear and a predetermined distance or more
  • the notification ring is characterized in that separated from one end of the connection nut.
  • the notification ring is formed in a C shape with one side opening to have a constant elastic force in the radial direction, and is released at the moment it is released from one end of the connection nut
  • a contact surface press-fitted to one end of the connection nut so as to be separated may be formed to be tapered in the shape of the all-optical narrow.
  • the elastic pressure member characterized in that it comprises a hollow plate spring is inserted into the hollow of the connection nut at the rear of the flare pressing ring.
  • connection nut so as to support the plate spring from the rear of the plate spring to prevent the plate spring from being separated to one end of the connection nut.
  • Spring release prevention portion provided in the portion;
  • the spring release preventing part may be formed by caulking one end of the connection nut toward the inside of the hollow in a state where the disc spring is inserted into the hollow of the connection nut.
  • the construction of the refrigerant pipe connecting device is easy, wherein the pipe connecting portion is made of brass, the refrigerant pipe is made of aluminum pipe, the transition corrosion between the flaring portion of the pipe connection and the refrigerant pipe. Corrosion prevention cap of stainless steel or insulating material covering the first tapered surface of the pipe connection portion to prevent the occurrence; It further comprises.
  • Refrigerant pipe connection device by the configuration as described above is a hollow connection is formed in the connection nut screwed to the valve or nipple, the flare crimping ring is supported to move back and forth in the hollow of the connection nut, and the flare compression ring Even though the refrigerant pipe is used as aluminum pipe due to the organic coupling relationship of the elastic pressing member that elastically presses the pressure, the expanded flare does not have to be torn or broken by excessive compressive force, and it is possible to maintain a certain airtightness by the elastic force. There is an advantage in that the nut can be prevented from loosening.
  • the easy-to-install refrigerant pipe connecting device is provided with a proper torque notification means made of an organic coupling relationship between the notification ring and the push rod rotation of the connection nut so that the connection nut can be coupled to the pipe connection with a predetermined torque
  • a proper torque notification means made of an organic coupling relationship between the notification ring and the push rod rotation of the connection nut so that the connection nut can be coupled to the pipe connection with a predetermined torque
  • the easy-to-install refrigerant pipe connecting device is provided with a corrosion preventing cap between the pipe connection portion made of brass and the refrigerant pipe made of aluminum pipe to prevent the occurrence of transition corrosion between the pipe connection portion and the aluminum pipe.
  • FIG. 1 is an exploded perspective view of a refrigerant pipe connection device for easy construction according to an embodiment of the present invention
  • Figure 2 is an exploded cross-sectional view of a refrigerant pipe connecting device easy to construct according to an embodiment of the present invention
  • 3 to 6 are partial cross-sectional view showing a state of use of the refrigerant pipe connection device according to an embodiment of the present invention.
  • FIG. 1 is an exploded perspective view of an easy construction of a refrigerant pipe connection device according to an embodiment of the present invention
  • FIG. 2 is an exploded cross-sectional view of an easy construction of a refrigerant pipe connection device according to an embodiment of the present invention
  • 6 is a partial cross-sectional view showing a state of use of the refrigerant pipe connection device according to an embodiment of the present invention.
  • the refrigerant pipe connection device is a first taper corresponding to the inclination of the flare portion at the tip of the refrigerant pipe 100 having a flare portion 101 is formed one end is expanded
  • spring release prevention portion 40, proper torque notification means 50 and comprises a corrosion preventing cap (60).
  • the refrigerant pipe 100 is an aluminum tube having a lower thermal conductivity and superior thermal conductivity than the copper pipe, and the pipe connection part 201 is made of brass.
  • connection nut 10 serves as a medium for connecting the refrigerant pipe 100 and a valve 200 or a nipple (not shown) provided in an outdoor unit such as an air conditioner. (11) is formed through, the refrigerant pipe 100 is passed through one end portion 12, a thread 131 is formed on the inner peripheral surface of the other end 13, the other end 13 is the pipe connection portion 201 Screwed to the), one end 12 is provided with a spring release prevention portion (40).
  • the flare pressing ring 20 is supported in the hollow 10 of the connection nut 10 so as to be movable forward and backward, the plate spring 31 and the appropriate torque notification means 50 as the elastic pressing member 30. As the push rod 52 is inserted.
  • the flare crimping ring 20 is configured to crimp and fix the flare portion 101 of the refrigerant pipe 100 between the pipe connection part 201 and the front end portion corresponding to the first tapered surface 201a.
  • the second taper surface 21 is formed, and the hollow portion of the connection nut 10 is disposed in the state where the flare portion 101 is interposed between the first taper surface 201a and the second taper surface 21. It is supported by 11 so as to be movable back and forth.
  • the elastic pressing member 30 faces the flare pressing ring 20 forward so that the flare portion 101 is in surface contact between the first tapered surface 201a and the second tapered surface 21 and is fixed in pressure.
  • a hollow plate spring 31 is inserted into the hollow 11 of the connection nut 10 in the rear of the flare pressing ring (20). .
  • the dish spring 31 has an advantage of occupying less volume than a coiled spiral spring, and does not cause distortion because the pressure acts low over the entire circumference, and the elastic force does not easily decrease, so that the flare compression ring 20 ) Is a configuration to stably elastically pressurize.
  • the present invention constitute a pair of the plate spring 31, the pair of plate springs 31 so that the pair of plate springs 31 can be stably stacked in a direction facing each other It was laminated to use.
  • the flare pressing ring 20 is elastically pressed forward by the elastic pressing member 30 to perform the function that the connection nut 10 is prevented from loosening in the pipe connecting portion 201.
  • the spring release preventing portion 40 is to prevent the plate spring 31 is separated from the one end portion 12 of the connection nut 10 to the plate spring 31 in the rear of the plate spring 31 It is a configuration provided at one end 12 of the connection nut 10 to support.
  • the spring release prevention part 40 has one end portion 12 of the connection nut 10 in a state where the dish spring 31 is inserted into the hollow 11 of the connection nut 10. ) Is formed by caulking treatment in the inward direction of the hollow.
  • the spring escape prevention part 40 may be implemented by a method of fastening a release prevention ring (not shown) to one end 12 of the connection nut 10, but in one embodiment of the present invention.
  • a release prevention ring not shown
  • the spring escape prevention part 40 may be implemented by a method of fastening a release prevention ring (not shown) to one end 12 of the connection nut 10, but in one embodiment of the present invention.
  • the appropriate torque notification means 50 is a rotation stop time of the connection nut 10 to the user so that the other end 13 of the connection nut 10 is screwed to the pipe connection 201 to a predetermined torque
  • a configuration of notifying in one embodiment of the present invention is configured to include a notification ring 51, the push rod (52).
  • the notification ring 51 is formed in a hollow shape so that the refrigerant pipe 100 can be passed through the center and press-fitted into one end portion 12 of the connection nut 10.
  • One side is formed in a C shape opened to have a predetermined elastic force in the radial direction, is moved backward by the pusher 52 and is fired and released as soon as it is separated from one end 12 of the connection nut 10
  • the contact surface 511 that is pressed into one end of the connection nut 10 is formed to be tapered in the shape of the all-optical narrow.
  • the pusher 52 is configured to push the notification ring 51 to the rear according to the moving distance when the flare pressing ring 20 is moved to the rear, one end of the flap pressing ring 20 The other end is in contact with the front end of the notification ring 51.
  • the pusher 52 is the notification ring 51.
  • the notification ring 51 is to be separated from one end 12 of the connection nut 10.
  • FIG 3 to 6 illustrate a state of use of the refrigerant pipe connection device according to an embodiment of the present invention, when the connection nut 10 is rotated in the state of FIG. 3, the first tapered surface in the state of FIG. 4.
  • the flare portion 101 is brought into surface contact between the 201a and the second tapered surface 21.
  • connection nut 10 When the connection nut 10 is further rotated in the state of FIG. 5, the flare part 101 is elastically pressed by the flare pressing ring 20 and the elastic pressing member 30, and the push rod 52. ) Will push the notification ring 51 to the rear to some extent.
  • connection nut 10 When the connection nut 10 is further rotated in the state of FIG. 5, the notification ring 51 is separated from one end 12 of the connection nut 10 as in the state of FIG. 6, and the user signals this. By stopping the rotation of the connection nut 10 will be able to finish the work to tighten the connection nut to the appropriate torque.
  • the flare portion 101 is maintained in a state that is elastically pressed by the flare pressing ring 20 and the elastic pressing member 30, while maintaining the airtight in the connecting portion while the flare portion Excessive pressing force does not act on the 101, so no problem of tearing occurs, and furthermore, it is possible to perform the loosening prevention function of the connection nut 10 by the elastic pressing force.
  • the elastic pressing member 30 can ensure durability by absorbing the vibration or shock.
  • the anti-corrosion cap 60 is made of stainless steel or an insulating material to cover the first tapered surface 201a of the pipe connecting portion 201 and the refrigerant made of the pipe connecting portion 201 and the aluminum tube made of brass. It is to prevent the occurrence of the transition corrosion between the flare portion 101 of the pipe 100.
  • the material of the pipe connection part 201 is brass
  • the material of the refrigerant pipe 100 is an aluminum pipe
  • the first tapered surface 201a and the refrigerant pipe 100 of the pipe connection part 201 are in contact with each other.
  • a transition phenomenon occurs due to a potential difference
  • corrosion occurs due to such a transition phenomenon
  • the corrosion gradually increases as time passes, and the corrosion corrosion cap is prevented by the corrosion prevention cap 60. This will be prevented.
  • the present invention relates to a refrigerant pipe connection device that is easy to install, and more particularly, when connecting the refrigerant pipe to the valve or nipple using a connection nut or the like, the flare crimping ring is supported to be movable back and forth in the hollow of the connection nut;
  • an elastic pressurizing member for elastically pressing the flare crimping ring, even if the refrigerant pipe is used as an aluminum pipe, the expanded flare does not have to be torn or broken by excessive compressive force. It performs an anti-loosening function of the connection nut, and is equipped with an appropriate torque notification means for informing the user of the rotation stop point of the connection nut, so that it can be reliably and easily installed in the field, thereby enabling industrial use.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Joints With Pressure Members (AREA)

Abstract

La présente invention porte sur un dispositif facile à construire pour raccorder un tuyau de réfrigérant, et, de façon plus spécifique, sur un dispositif facile à construire, pour raccorder un tuyau de réfrigérant, lequel dispositif procure une bague de compression d'évasement portée de façon à se déplacer vers l'avant et vers l'arrière dans une partie creuse de l'écrou de raccordement et un élément de pression élastique pour presser élastiquement la bague de compression d'évasement quand le tuyau de réfrigérant est relié à une vanne ou à un mamelon à l'aide de l'écrou de raccordement, et analogue, de façon à éviter ainsi à une partie évasement étendue d'être déchirée ou rompue par une force de pression excessive même si un tuyau en aluminium est utilisé comme tuyau de réfrigérant, lequel assure une fonction anti-desserrage d'un écrou de raccordement tout en étant apte à maintenir de façon continue une fonction d'étanchéité ferme vis-à-vis de l'air à l'aide d'une force élastique, et lequel peut être construit de façon fiable et simple sur site par le fait de procurer des moyens de notification de couple correct pour indiquer à un utilisateur un temps d'arrêt de rotation de l'écrou de raccordement. Le dispositif facile à construire pour raccorder le tuyau de réfrigérant selon la présente invention raccorde le tuyau de réfrigérant ayant la partie évasement, dont une partie d'extrémité est formée par le fait d'être étendue, à la vanne ou au mamelon ayant une partie de raccordement de tuyau ayant une première surface effilée, qui correspond à l'inclinaison de la partie évasement, formée à l'extrémité avant de celle-ci, et comprend : l'écrou de raccordement ayant une partie creuse formée de façon pénétrante à l'intérieur de celui-ci le long de la direction longitudinale de celui-ci, et comportant une partie d'extrémité à travers laquelle passe le tuyau de réfrigérant, et l'autre partie d'extrémité ayant des filetages sur la surface périphérique interne de celle-ci, de telle sorte que l'autre partie d'extrémité est couplée par vissage à la partie de raccordement de tuyau ; la bague de compression d'évasement creuse ayant une seconde surface effilée, qui correspond à la première surface effilée, formée à la partie d'extrémité avant de celle-ci, et portée de façon à se déplacer vers l'avant et vers l'arrière dans la partie creuse de l'écrou de raccordement dans un état dans lequel la partie évasement est interposée entre la première surface effilée et la seconde surface effilée ; l'élément de pression élastique pour presser élastiquement la bague de compression d'évasement vers l'avant de telle sorte que la partie évasement est pressée et fixée tout en venant en contact de surface entre la première surface effilée et la seconde surface effilée ; et les moyens de notification de couple correct pour indiquer à l'utilisateur le temps d'arrêt de rotation de l'écrou de raccordement, de telle sorte que l'autre partie d'extrémité de l'écrou de raccordement peut être couplée par vissage à la partie de raccordement de tuyau avec un couple prédéterminé, les moyens de notification de couple correct comprenant : une bague de notification creuse adaptée par pression à la première partie d'extrémité de l'écrou de raccordement ; et une tige de poussée creuse dont une partie d'extrémité vient en contact avec la partie d'extrémité arrière de la bague de compression d'évasement, et dont l'autre partie d'extrémité vient en contact avec la partie d'extrémité avant de la bague de notification, la tige de poussée poussant la bague de notification vers l'arrière quand l'autre partie d'extrémité de l'écrou de raccordement est couplée par vissage à la partie de raccordement de tuyau et que la bague de compression d'évasement est déplacée vers l'arrière, et la bague de notification étant séparée à partir de la première partie d'extrémité de l'écrou de raccordement quand la bague est déplacée d'au moins une distance prédéterminée.
PCT/KR2015/009463 2014-09-12 2015-09-08 Dispositif facile à construire pour raccorder un tuyau de réfrigérant WO2016039561A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0121236 2014-09-12
KR1020140121236A KR101523185B1 (ko) 2014-09-12 2014-09-12 시공이 용이한 냉매배관 연결 장치

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WO2016039561A1 true WO2016039561A1 (fr) 2016-03-17

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EP3809062A4 (fr) * 2018-06-18 2021-08-04 Daikin Industries, Ltd. Vanne d'arrêt

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KR101880402B1 (ko) * 2017-10-31 2018-07-19 주식회사 마당이엔씨 스프링클러 신축배관용 일체형 소켓 조립체
KR20210096406A (ko) 2020-01-28 2021-08-05 삼성전자서비스 주식회사 멀티 스마트 공구 유닛
KR102566458B1 (ko) 2021-11-18 2023-08-11 주식회사 한성시스코 인식표가 구비된 밸브

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US5280967A (en) * 1992-03-27 1994-01-25 Donald Travis Device for indicating the proper installation of fittings
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JP2003278977A (ja) * 2002-03-22 2003-10-02 Calsonic Kansei Corp ワンタッチ管継手用インジケータリング
KR20090053976A (ko) * 2007-11-26 2009-05-29 세인엔지니어링(주) 부식방지캡 및 이를 이용한 배관시공방법
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EP3809062A4 (fr) * 2018-06-18 2021-08-04 Daikin Industries, Ltd. Vanne d'arrêt

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