WO2016182224A1 - Raccord de tuyau de réfrigérant - Google Patents

Raccord de tuyau de réfrigérant Download PDF

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Publication number
WO2016182224A1
WO2016182224A1 PCT/KR2016/004266 KR2016004266W WO2016182224A1 WO 2016182224 A1 WO2016182224 A1 WO 2016182224A1 KR 2016004266 W KR2016004266 W KR 2016004266W WO 2016182224 A1 WO2016182224 A1 WO 2016182224A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
pipe
hook
refrigerant pipe
guard
Prior art date
Application number
PCT/KR2016/004266
Other languages
English (en)
Korean (ko)
Inventor
홍석표
백승철
이병휘
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2016182224A1 publication Critical patent/WO2016182224A1/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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
    • F16L37/0925—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector with rings which bite into the wall of the pipe
    • 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 connector for refrigerant piping.
  • devices using a refrigeration cycle such as an air conditioner and a refrigerator, are configured to cool and heat a room or an interior space through a refrigerant bridge and a thermal bridge.
  • Each component of the refrigeration cycle is connected by a refrigerant pipe.
  • the refrigerant is circulated through a series of cycles consisting of evaporators.
  • the refrigerant pipe should be easily formed by bending or bending due to the installation of the pipe or the configuration of the air conditioner or the refrigerator. Therefore, the refrigerant pipe is generally molded from copper or an alloy containing copper as a main component, and is configured to be connected to each other between the pipes and the respective components of the refrigeration cycle.
  • the refrigerant pipe is connected to another pipe or configuration when assembling or installing a device using a refrigerant such as an air conditioner or a refrigerator, it can be connected through brazing.
  • the refrigerant pipe may be configured to be connected to another pipe or configuration by a connecting device.
  • connection device is coupled to the coupling portion screwed to the connection connected to one side of the pipe or one side of the other configuration, the expansion portion of the pipe of the connecting body is seated
  • Disclosed is a structure that allows the refrigerant pipe to be connected by arranging the fastening portion after placing on an inclined surface. Through the expansion pipe structure and the connecting device structure as described above, even in the high-pressure refrigerant flow situation, the pipe can be maintained firmly connected, and workability can be improved.
  • An embodiment of the present invention is to provide a one-touch type refrigerant pipe connector to be easily mounted refrigerant pipes formed of a stainless steel material in the form of a straight pipe.
  • a connector for a refrigerant pipe may include: a case having at least one opening formed at an end thereof into which a refrigerant pipe having a straight pipe shape is inserted; A hook guard provided inside the case and having an inclined surface; A hook holder moving along the inclined surface of the hook guard and penetrated by the refrigerant pipe; A spring for elastically supporting the hook holder; A hook mounted to a hook mounting hole opened around the hook holder, the hook being in contact with the inclined surface to pressurize and fix the outer surface of the refrigerant pipe according to the movement of the hook holder; An O-ring supporting the hook guard on the inner side of the case and being in airtight contact with an outer surface of the refrigerant pipe; And an o-ring guard provided between the o-ring and the opening and supporting one side of the o-ring to prevent the o-ring from falling off.
  • the refrigerant pipe is characterized in that formed of a stainless material.
  • the inner surface of the hook is formed with a plurality of wedge-shaped coupling portion in contact with the outer surface of the refrigerant pipe, the plurality of wedge is characterized in that the inclined in the direction in which the refrigerant pipe is inserted.
  • the inner diameter of the O-ring guard is formed larger than the inner diameter of the opening and the O-ring.
  • the inner diameter of the O-ring is characterized in that it is formed smaller than the inner diameter of the opening.
  • the end of the case is bent inward, characterized in that the bent portion defining the opening is further formed.
  • the O-ring guard is penetrated by the refrigerant pipe, the end portion of the through portion in contact with the inner surface of the bent portion; It extends vertically from the outer end of the through portion in contact with the inner surface of the case, characterized in that it comprises a support for supporting one side of the O-ring.
  • a round part having a predetermined curvature is formed between the outer circumference of the case and the bent part, and the round part is positioned between the through part and the support part.
  • One end of the hook guard is characterized in that it is provided with a spring holder penetrated by the pipe and fixed to support the spring at the other end.
  • the o-ring includes a first o-ring for supporting the spring holder and a second o-ring for supporting the hook guard, wherein the first o-ring and the second o-ring are supported by a first o-ring guard and a second o-ring guard, respectively. It is characterized by.
  • the case may include a pipe fixing part in which the hook guard, the hook holder, the O-ring, the O-ring guard, and the spring are accommodated, and a pipe receiving part which is formed smaller than the diameter of the pipe fixing part at one end of the pipe fixing part. do.
  • the O-ring and the O-ring guard is provided with a plurality, characterized in that the O-ring guard for supporting the O-ring is disposed on both ends of the pipe fixing portion.
  • the inner diameter of the pipe receiving portion is formed to correspond to the outer diameter of the pipe, the end of the pipe receiving portion is characterized in that it is formed to have an inner diameter smaller than the outer diameter of the pipe so that the inserted end of the pipe is supported.
  • the case includes a central portion having an inner diameter smaller than the diameter of the pipe; A pair of pipe accommodating parts extending from both ends of the central part and formed to correspond to an outer diameter of the pipe and into which the pipe is inserted; And the pipe fixing parts provided at both ends of the pair of pipe receiving parts.
  • Refrigerant piping connector according to an embodiment of the present invention can be expected the following effects.
  • the pipe is directly plugged into the connector, and the refrigerant pipe can be connected by only one operation, thereby greatly improving workability. .
  • connection structure of the pipe can be implemented using a stainless steel pipe.
  • the stainless steel pipe of the straight pipe does not come out even in the high pressure environment in which the refrigerant flows due to the hook, hook holder and hook guard structure. There is an advantage to be secured.
  • the O-ring guard is supported so that the O-ring that seals the pipe in the high-pressure environment does not protrude to the outside, there is an advantage of maintaining a stable airtight state.
  • the O-ring is supported by the O-ring guard, it is possible to minimize the deformation of the O-ring to allow more clearance management between the pipe and the connector, thereby improving productivity and assemblability.
  • the structure of the O-ring guard is composed of the penetrating portion and the supporting portion to avoid interference with the rounded shape of the bent portion and to stably support the O-ring, and to distribute pressure inside the connector from the penetrating portion and the supporting portion. By supporting it, the effect which improves durability can also be expected.
  • FIG. 1 is a perspective view of a connector for a refrigerant pipe according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of the refrigerant pipe connector.
  • FIG. 4 is a cross-sectional view showing a state in which a pipe is inserted into the refrigerant pipe connector.
  • FIG. 5 is a cross-sectional view showing a state in which a pipe is inserted into the refrigerant pipe connector.
  • FIG. 6 is a cross-sectional view of a connector for a refrigerant pipe according to another embodiment of the present invention.
  • a connector having a structure in which openings are formed at both sides of the refrigerant piping connector (hereinafter referred to as a "connector") and the pipe is inserted into the openings at both sides is described.
  • the connector is one side is connected to the pipe, the other side may be in a state coupled with other components or related components constituting the refrigeration cycle.
  • FIG. 1 is a perspective view of a connector for a refrigerant pipe according to an embodiment of the present invention.
  • the connector 10 for the refrigerant pipe is formed in a cylindrical shape in which an opening 132 is formed at one side to allow the refrigerant pipe 1 to be inserted therein, and the opening ( 132 has a structure that can be fixed after the refrigerant pipe (1) is inserted.
  • the refrigerant pipe (1) is formed of a soft stainless material that ensures formability, and is formed so as to realize an equivalent or more strength with a thinner thickness than the refrigerant pipe of the copper material.
  • the material cost is also lower than that of the copper refrigerant pipe, thereby reducing the production cost.
  • the connector 10 has an outer shape formed by a cylindrical case 100 having openings formed at both sides thereof.
  • the case 100 may be formed in a shape in which both left and right sides are symmetrical with respect to the center portion 110.
  • the pipe receiving part 120 and the pipe fixing part 130 are formed on both left and right sides based on the center part 110, respectively.
  • the pipe receiving part 120 may be formed to have a diameter corresponding to an outer diameter of the refrigerant pipe 1 to accommodate the refrigerant pipe 1 inserted into the case 100.
  • the pipe receiving part 120 may be formed to have a diameter larger than that of the central part 110 so that the end of the refrigerant pipe 1 may be seated.
  • the end of the refrigerant pipe 1 is located at a stepped portion where the pipe receiving part 120 and the center part 110 contact each other. It can be in close contact, and the user can recognize the complete insertion and mounting of the refrigerant pipe (1).
  • the outer side of the pipe receiving portion 120 is formed with a pipe fixing portion 130 having a diameter larger than the diameter of the pipe receiving portion 120.
  • the pipe fixing part 130 is formed so that a plurality of components for restraining the refrigerant pipe 1 may be disposed.
  • the outer end of the pipe fixing portion 130 is formed with a bent portion 131 is bent toward the inside, and maintains the state in which the components inside the pipe fixing portion 130 is accommodated by the bent portion 131 It becomes possible.
  • the end of the bent portion 131 defines an opening 132 into which the refrigerant pipe 1 is inserted.
  • FIG. 2 is an exploded view of the refrigerant pipe connector.
  • 3 is a sectional view of the refrigerant pipe connector.
  • the connector 10 has an appearance formed by the case 100, and the first O-ring guard 210 and the first O-ring guard 210 are formed inside the pipe fixing part 130 of the case 100.
  • the first O-ring guard 210 is provided on the innermost side of the pipe fixing part 130.
  • the first O-ring guard 210 supports the first O-ring 220 in the inner side of the pipe fixing part 130 in a plate-shaped ring contacting the first O-ring 220.
  • the first O-ring guard 210 is configured to restrain the first O-ring 220 so that the first O-ring 220 does not fall off due to the pressure at the time of the refrigerant flow in the connector 10. .
  • the first O-ring 220 is formed to penetrate the refrigerant pipe 1 inserted into the connector 10, and is formed to have an inner diameter corresponding to an outer diameter of the refrigerant pipe 1.
  • the refrigerant pipe 1 is inserted into the connector 10 to be in close contact with the outer surface of the refrigerant pipe 1 to be hermetically sealed.
  • the first O-ring 220 is formed of a Viton material having excellent airtightness, heat resistance, and chemical resistance to maintain a stable airtight performance by maintaining a shape without being deformed or damaged by a refrigerant circulating in a refrigeration cycle.
  • a spring holder 230 is provided at an outer side (the left side in FIG. 2) of the first o-ring 220.
  • the spring holder 230 supports the spring 240 elastically supporting the hook holder 250, and has an outer diameter corresponding to the inner diameter of the pipe fixing part 130, and the outer diameter of the refrigerant pipe 1. It is formed to have an inner diameter corresponding to and is configured to penetrate by the refrigerant pipe (1).
  • a spring receiving portion 231 is formed on the other side of the spring holder 230 to accommodate the spring 240 To be able. Accordingly, when the spring 240 is compressed or tensioned, the spring holder 230 may stably support the spring 240 at the inner side of the pipe fixing part 130.
  • the hook holder 250 is provided at the other end of the spring 240.
  • the hook holder 250 is formed to have an inner diameter corresponding to the outer diameter of the refrigerant pipe 1 so that the refrigerant pipe 1 can pass therethrough.
  • one end of the hook holder 250 is formed with a spring support 251 for supporting the end of the spring 240.
  • the outer circumference of the hook holder 250 is formed to be inclined, and the hook mounting holes 252 to which the plurality of hooks 260 are mounted along the circumferential surface of the hook holder 250 are formed at regular intervals.
  • the hook holder 250 is positioned inside the hook guard 270 in a state in which the hook 260 is mounted.
  • the hook 260 is constrained to come into contact with the outer surface of the refrigerant pipe 1 when the refrigerant pipe 1 is inserted, and the body portion 261 and the body are disposed on the outer surface of the hook holder 250.
  • the coupling part 262 protrudes inward of the hook mounting hole 252.
  • the coupling is formed in the shape of a plurality of wedges inclined in the insertion direction of the refrigerant pipe (1), it is formed to penetrate into the outer surface of the refrigerant pipe (1) in the state in which the refrigerant pipe (1) is inserted.
  • the hook guard 270 is mounted inside the pipe fixing part 130 and has an outer diameter corresponding to the inner circumferential surface of the pipe fixing part 130 to be penetrated by the refrigerant pipe 1.
  • An inclined surface 271, an extended surface 272, and a restraining surface 273 may be formed on an inner surface of the hook guard 270.
  • the inclined surface 271 has an inclination corresponding to the inclined surface of the outer surface of the hook holder 250 and the outer surface of the body portion 261.
  • the body portion 261 of the hook is maintained in contact with the inclined surface 271, and the hook holder is relatively moved along the inclined surface 271 according to the forward and backward movement of the hook holder 250.
  • the coupling part 262 is configured to selectively protrude into the hook mounting hole 252.
  • the extension surface 272 extends horizontally with the outer surface of the hook guard 270 at the end of the inclined surface 271. Therefore, when the hook holder 250 is moved forward, the hook 260 provides a space that can rotate inside the space formed by the extension surface 272, the coupling by the rotation of the hook 260 The part 262 completely penetrates into the outer surface of the refrigerant pipe 1 so as to strongly restrain the refrigerant pipe 1.
  • the restraining surface 273 protrudes in the inward direction of the case at the end of the extension surface 272 and blocks the hook 260 and the hook guard 270 from moving. Therefore, even when a pressure caused by the flow of the coolant is generated inside the connector 10, the coolant pipe 1 can be fixed in such a way that the coolant pipe 1 is moved in the opposite direction to the insertion direction.
  • the second O-ring 280 is further provided on the outside of the hook guard 270.
  • the second O-ring 280 has the same structure as the first O-ring 220 only with a difference only in the mounting position.
  • One side of the second O-ring 280 is in contact with one end of the hook guard 270 and the other side is in contact with the second O-ring guard 290.
  • the second O-ring guard 290 supports the second O-ring 280 from the outside, and prevents the second O-ring 280 from falling off, to be formed in the same shape as the first O-ring guard 210. Can be.
  • the inner diameter of the second O-ring guard 290 may be larger than the inner diameter of the second O-ring 280. Therefore, even if the second O-ring 280 is deformed in contact with the outer surface of the refrigerant pipe 1, the second O-ring guard 290 does not interfere with the second O-ring 280, the connector 10 When a high pressure is generated by the refrigerant passing through the refrigerant pipe 1, the second o-ring 280 is deformed to prevent falling or leakage of the refrigerant even if the refrigerant pipe 1 is slightly pushed down.
  • the second O-ring 280 is supported by the second O-ring guard 290 to prevent the second O-ring 280 from being excessively deformed, thereby the refrigerant pipe 1 and the second O-ring.
  • the close contact between 280 becomes possible.
  • the first O-ring guard 210 and the first O-ring guard 210 are formed at both inner ends of the pipe fixing part 130.
  • 2 O-ring guard 290 is positioned between the first O-ring 220 and the second O-ring 280.
  • the spring 240 is not compressed, and the spring holder 230 is supported by the first O-ring 220, and the hook guard 270 is in contact with the second O-ring 280.
  • the hook holder 250 is in contact with the restraint surface 273 of the hook guard 270 in the state that no external force is applied, and the hook 260 protrudes inward of the hook mounting hole 252. Will remain unchanged.
  • FIG. 4 is a cross-sectional view showing a state in which a pipe is inserted into the refrigerant pipe connector.
  • the end of the refrigerant pipe 1 is the second O-ring guard 290 and the second O-ring 280 ) And then pass through the inside of the hook holder 250.
  • the engaging portion 262 of the hook 260 is in contact with the outer surface of the refrigerant pipe 1 and friction, and by this friction the hook holder 250 to the rear (right side in Fig. 4) It can be moved, the spring 240 is compressed.
  • the hook 260 is in contact with the inclined surface 271 by the rear movement of the hook holder 250, the coupling portion 262 of the hook does not restrain the refrigerant pipe 1 in a simple contact state. .
  • the refrigerant pipe 1 can be continuously inserted, and the user can insert the end of the refrigerant pipe 1 to the end of the pipe receiving part 120 inside the case 100. .
  • the refrigerant pipe 1 is completely inserted and in contact with the end of the pipe receiving portion 120, the refrigerant pipe 1 can no longer be inserted, and the user completes the insertion of the refrigerant pipe 1. do.
  • the refrigerant pipe 1 may be completely sealed by the first O-ring 220 and the second O-ring 280 so that the refrigerant does not leak when the refrigerant flows inside the connector 10. do.
  • FIG. 5 is a cross-sectional view showing a state in which a pipe is inserted into the refrigerant pipe connector.
  • the refrigerant pipe 1 moves slightly forward (by the left side in FIG. 5) by the pressure of the fluid flow, and contacts the refrigerant pipe 1 with the movement of the refrigerant pipe 1.
  • the hook 260 and the hook holder 250 to which the hook 260 is mounted are also moved forward.
  • the hook 260 and the hook holder 250 are no longer restricted by the restraining surface 273 of the hook guard 270, and the end of the hook 260 is extended to the extension surface 272.
  • the refrigerant pipe 1 is rotated at the moment when the refrigerant pipe (1) is further moved in the position to be embedded in the outer surface of the refrigerant pipe (1).
  • This hook is formed when the shape of the coupling portion 262 of the hook 260 is inclined wedge shape so that the coolant pipe 1 moves forward while being in contact with the outer surface of the coolant pipe 1.
  • the end of the 260 is blocked by the restraining surface 273 of the hook guard 270 in the state of being located in the extension portion so that it rotates naturally, the end of the engaging portion 262 of the wedge shape by rotation Is embedded in the refrigerant pipe (1).
  • Another embodiment of the present invention is characterized in that the second O-ring guard for supporting the second O-ring has a structure that can more stably support the second O-ring.
  • another embodiment of the present invention is different only in the structure of the second O-ring guard, the other components are the same as the above-described embodiment, the same reference numerals will be used for the same configuration and a detailed description thereof will be omitted.
  • FIG. 6 is a cross-sectional view of a connector for a refrigerant pipe according to another embodiment of the present invention.
  • the connector 10 is the case 100 and the first to be mounted in order from the inside of the pipe fixing part 130 of the case 100 to form an appearance O-ring guard 210, first O-ring 220, spring holder 230, spring 240, hook holder 250, hook 260, hook guard 270, second O-ring 280 and It may be composed of two O-ring guard (390).
  • the second O-ring guard 390 extends vertically from one end of the through part 391 and one end of the through part 391 through the refrigerant pipe 1, and supports the second O-ring 280. It may be composed of a support 392.
  • the through part 391 has an end portion in contact with an inner surface of the bent portion 131 of the case 100 and extends to a predetermined length. Accordingly, the support 392 extending from the end of the through part 391 may stably contact the inner surface of the pipe fixing part 130 without interfering with the round part 133 of the bent part 131. Make sure
  • the support part 392 extends from the other end of the through part 391 to an inner side surface of the pipe fixing part 130 and is formed to be in contact with one side surface of the second O-ring 280. Therefore, the second O-ring 280 is in contact with the refrigerant pipe (1) without being deformed or dropped by the pressure to maintain the airtight state.
  • the second O-ring guard 390 When the components inside the pipe fixing part 130 of the refrigerant pipe 1 and the connector 10 are pressurized in the outward direction (left in FIG. 6) by the flow of the refrigerant, the second O-ring guard 390 is respectively Force is distributed by the through part 391 and the support part 392 to support the second O-ring 280, and to more stably support the second O-ring 280, as well as high pressure. Even in an environment of the second O-ring 280 does not fall off.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

D'après un mode de réalisation de la présente invention, un raccord de tuyau de réfrigérant comprend : un boîtier comportant au moins une ouverture formée au niveau de la partie d'extrémité du boîtier et dans lequel est inséré un tuyau de réfrigérant se présentant sous la forme d'un tube droit ; un protège-crochet situé à l'intérieur du boîtier et ayant une surface inclinée ; un porte-crochet se déplaçant le long de la surface inclinée du protège-crochet et à travers lequel passe le tuyau de réfrigérant ; un ressort conçu pour supporter de manière élastique le porte-crochet ; un crochet monté dans un trou de montage de crochet ouvert le long de la périphérie du porte-crochet et venant en contact avec la surface inclinée de façon à appuyer sur la surface extérieure du tuyau de réfrigérant en fonction du déplacement du porte-crochet et à fixer le tuyau de réfrigérant ; un joint torique supportant le protège-crochet à l'intérieur du boîtier et venant en contact avec la surface extérieure du tuyau de réfrigérant de manière à rendre le tuyau de réfrigérant étanche ; et une protection de joint torique située entre le joint torique et l'ouverture et supportant une surface latérale du joint torique de manière à empêcher ce dernier de tomber.
PCT/KR2016/004266 2015-05-12 2016-04-22 Raccord de tuyau de réfrigérant WO2016182224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0066342 2015-05-12
KR1020150066342A KR102269483B1 (ko) 2015-05-12 2015-05-12 냉매 배관용 커넥터

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WO2016182224A1 true WO2016182224A1 (fr) 2016-11-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117704172A (zh) * 2024-02-06 2024-03-15 山西盛福昌管业有限公司 一种便于拼接的镀锌管

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Publication number Priority date Publication date Assignee Title
JP2001108170A (ja) * 1999-08-04 2001-04-20 Nasuko Fitting Kk 管継手
JP2004308689A (ja) * 2003-04-02 2004-11-04 Nasco Fitting Kk 管継手
JP2007162928A (ja) * 2005-11-17 2007-06-28 Daikin Ind Ltd 管継手の蓋構造、仕切り蓋、冷凍装置、ヒートポンプ式給湯機、給水配管、配管の接続方法、及び現地配管施工方法
KR20080021807A (ko) * 2005-06-27 2008-03-07 스와겔로크 컴패니 관 이음쇠
KR20110125792A (ko) * 2010-05-14 2011-11-22 (주)에쎈테크 파이프 연결용 소켓

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KR20040062712A (ko) * 2003-01-03 2004-07-09 아시아리드 주식회사 배관 연결구의 원터치식 배관 고정장치
KR101518377B1 (ko) * 2013-09-03 2015-05-07 (주)로커스 배관 연결용 커넥터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108170A (ja) * 1999-08-04 2001-04-20 Nasuko Fitting Kk 管継手
JP2004308689A (ja) * 2003-04-02 2004-11-04 Nasco Fitting Kk 管継手
KR20080021807A (ko) * 2005-06-27 2008-03-07 스와겔로크 컴패니 관 이음쇠
JP2007162928A (ja) * 2005-11-17 2007-06-28 Daikin Ind Ltd 管継手の蓋構造、仕切り蓋、冷凍装置、ヒートポンプ式給湯機、給水配管、配管の接続方法、及び現地配管施工方法
KR20110125792A (ko) * 2010-05-14 2011-11-22 (주)에쎈테크 파이프 연결용 소켓

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117704172A (zh) * 2024-02-06 2024-03-15 山西盛福昌管业有限公司 一种便于拼接的镀锌管
CN117704172B (zh) * 2024-02-06 2024-05-14 山西盛福昌管业有限公司 一种便于拼接的镀锌管

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KR102269483B1 (ko) 2021-06-28
KR20160133339A (ko) 2016-11-22

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