WO2022215835A1 - Raccord union extensible - Google Patents

Raccord union extensible Download PDF

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Publication number
WO2022215835A1
WO2022215835A1 PCT/KR2022/000180 KR2022000180W WO2022215835A1 WO 2022215835 A1 WO2022215835 A1 WO 2022215835A1 KR 2022000180 W KR2022000180 W KR 2022000180W WO 2022215835 A1 WO2022215835 A1 WO 2022215835A1
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WO
WIPO (PCT)
Prior art keywords
union
tube
pipe
nut
connector
Prior art date
Application number
PCT/KR2022/000180
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English (en)
Korean (ko)
Inventor
지훈
Original Assignee
지훈
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
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Application filed by 지훈 filed Critical 지훈
Publication of WO2022215835A1 publication Critical patent/WO2022215835A1/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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • 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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
    • 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

Definitions

  • the present invention relates to a union for connecting a pipe, and more particularly, to a new union that can be easily removed from a connected pipe.
  • a pipe fitting refers to a piping accessory used to connect a pipe and a pipe when constructing a pipeline as described above, and examples include a union, an elbow, a tee, a nipple, a plug, and the like.
  • FIG. 1 is a cross-sectional view of a conventional union in use, as shown, in the conventional union, a locking jaw 11 is formed at one end and a male screw part 12 is formed at the other end of the union body 10 and the union body. Consists of a union nut 20 fitted to the other end of the.
  • the union configured as described above is fastened to the second connection pipe (B) in which the male screw part 12 is located on the other side, and the union nut 20 is fastened to the first connection pipe (A) located at one side, so that the first connection pipe ( A) and the second connector (B) are firmly connected.
  • Such a conventional union has a problem in that it is difficult to remove it from the connected pipe because there is not a space to be removed once it is installed. This problem is not limited to the union, but also applies to the entire pipeline continuously connected through the union, so it is urgent to improve it.
  • an O-ring 30 that is in close contact when the union nut 20 is tightened is installed between the union body 10 and the first connector A to prevent leakage, and the O-ring 30 is a consumable part.
  • the elastic force decreases and water leaks to the installation site of the O-ring 30.
  • the O-ring 30 must be replaced quickly, but it is very difficult to replace the O-ring 30 due to the above reasons. .
  • Patent Document 1 Korean Patent Publication No. 10-2009-0045784
  • the present invention has been devised to solve the above problems, and an object of the present invention is to provide an expansion and contraction union in which removal from the connected pipe and replacement of the O-ring are made easy.
  • the expansion and contraction union of the present invention is a union tube, a union nut fitted to the union tube and fastened to the first connection tube located in front of the union tube, sliding movement is possible at the rear end of the union tube It includes a connection nut to be fitted tightly, and a watertight connection pipe that watertightly connects the connection nut and the second connection pipe located at the rear of the union pipe and provides a space for the union pipe to expand and move.
  • a first O-ring compressed by the front end of the union tube approaching the first connection tube when the union nut is fastened may be provided between the first connector pipe and the union nut.
  • a male screw fastened to the connection nut may be formed on an outer circumferential surface of the watertight connector
  • a female screw fastened to the second connector may be formed on an inner circumferential surface of the watertight connector
  • an insertion end inserted into the inside of the watertight connector is protruded from the rear end of the union tube, and the watertight connector has a groove formed along the inner circumferential surface and a second groove fitted into the groove to be in close contact with the insertion end of the union tube.
  • O-rings may be provided.
  • a guide groove formed in the front-rear direction on the outer circumferential surface of the union tube, a through-hole formed in the connection nut, and a pin member inserted into the guide groove through the through-hole to restrict the union tube to expand and contract only a certain section in the front-rear direction may include.
  • the union nut fastened to the first connector pipe positioned in front of the union pipe is coupled to the front end of the union pipe, and the connection nut is slidably fitted to the rear end of the union pipe, the connection Since the watertight connector connected to the second connector located at the rear of the union tube is fastened to the rear end of the nut, after separating the union nut from the first connector, the union tube is reduced by pushing the union tube backward.
  • a space portion is formed between one connecting pipe, and there is an effect that the expansion and contraction union of the present invention and the removal and replacement of the connectors continuously connected through the expansion union can be easily and conveniently performed using the space part.
  • FIG. 1 is a cross-sectional view of a conventional union in use.
  • Figure 2 is a perspective view of the use state of the expansion and contraction union according to the present invention.
  • Figure 3 is an exploded perspective view of the expansion and contraction union according to the present invention.
  • Figure 4 is a cross-sectional view of the use state of the expansion union according to the present invention, a view showing a state in which the union tube is extended.
  • Figure 5 is a cross-sectional view of the use state of the expansion and contraction union according to the present invention, a view showing a reduced state of the union tube.
  • Figure 2 is a perspective view of the expansion and contraction union according to the present invention in use
  • Figure 3 is an exploded perspective view of the expansion and contraction union according to the present invention
  • Figures 4 and 5 are respectively a cross-sectional view of the use state of the expansion union according to the present invention
  • the union tube As a drawing showing a stretched state, as shown, the expansion and contraction union of the present invention is a joint member for connecting two pipes (A; first connector, B; second connector) facing each other, the union pipe ( 100) and a union nut 200 and a connecting nut 400 and a watertight connector 500.
  • the union tube 100 is located between the first connection tube (A) and the second connection tube (B). That is, the first connecting pipe (A) is located at the front end of the union tube 100, and the second connecting pipe (B) is located at the rear end.
  • the front end of the union tube 100 is formed with an outward flange 110 that engages with the union nut 200 .
  • the union nut 200 is a nut member having a female screw 210 corresponding to the male screw A1 formed in the first connection pipe A, and is inserted into the rear end of the union pipe 100 to the union pipe 100. It is fastened to the first connector (A) located in the front.
  • an outward flange 110 and an inward flange 220 engaging with the union tube 100 are formed.
  • a first O-ring 300 may be provided between the first connector A and the union nut 200 .
  • the first O-ring 300 is a first connection with the outward flange 110 of the union tube 100 approaching the first connection tube (A) when the union nut 200 is fastened to the first connection tube (A). While both sides are compressed by the end of the tube (A), it prevents the fluid from flowing out between the union tube 100 and the first connection tube (A).
  • connection nut 400 is fitted and coupled to the rear of the union tube 100 .
  • a watertight connection pipe 500 is fastened to the rear end of the connection nut 400 .
  • the watertight connector 500 provides a space in which the union tube 100 can expand and contract while providing a watertight connection between the connection nut 400 and the second connector B.
  • the watertight connection pipe 500 has a polygonal outer peripheral surface so that it can be easily rotated using a spanner, and a male screw 510 fastened to the connection nut 400 is formed at the front end.
  • a female screw 410 corresponding to the male screw 510 of the watertight connection pipe 500 is formed in the connection nut 400 , and the male screw of the second connection pipe B is formed on the inner circumferential surface of the watertight connection pipe 500 .
  • a female screw 520 fastened to (B1) may be formed.
  • an insertion end 120 inserted into the watertight connector 500 is protruded from the rear end of the union tube 100 , and a groove 530 is formed along the inner circumferential surface of the watertight connector 500 .
  • a second O-ring 540 that is in close contact with the insertion end 120 of the union tube 100 may be fitted and coupled to the groove 530 .
  • the insertion end 120 helps to make the expansion and contraction movement of the union tube 100 stably.
  • the second O-ring 540 prevents the fluid from leaking through between the insertion end 120 of the union tube 100 and the watertight connection tube 500 .
  • the guide groove 130 may be formed in the front-rear direction on the outer peripheral surface of the union tube 100 .
  • connection nut 400 a through hole 420 corresponding to the guide groove 130 is formed in the connection nut 400 .
  • the pin member 430 is coupled to the through hole 420 .
  • the pin member 430 is fitted into the guide groove 130 having a predetermined section.
  • the union tube 100 is stretched and moved only in a certain section corresponding to the guide groove 130 .
  • the first connector (A) and the second connector (B) are connected using the expansion and contraction union of the present invention configured as described above, the first O-ring 300 ) and the expansion and contraction union, it is possible to quickly and easily replace the continuously connected connectors (A, B).
  • the union tube 100 is separated from the watertight tube or the connection nut 400 while the union tube 100 is excessively extended forward since the expansion and contraction movement is limited to a certain section by the guide groove 130 and the pin member 430 . This makes it convenient to use.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)

Abstract

La présente invention se rapporte à un raccord union permettant de raccorder des conduits de tuyau et, plus précisément, à un raccord union extensible qui peut être facilement séparé d'un tuyau qui y est raccordé. Le raccord union extensible de la présente invention comprend : un tuyau de raccord union (100) ; un écrou-raccord (200) qui est ajusté sur le tuyau de raccord union (100) de manière à être fixé à un premier tuyau de raccordement (A) positionné à l'avant du tuyau de raccord union ; un écrou de raccordement (400) monté coulissant sur l'extrémité arrière du tuyau de raccord union ; et un tuyau de raccordement étanche à l'eau (500) qui raccorde, de manière étanche à l'eau, l'écrou de raccordement et un second tuyau de raccordement (B) positionné à l'arrière du tuyau de raccord union, et qui fournit un espace dans lequel le tuyau de raccord union peut se déplacer de manière extensible.
PCT/KR2022/000180 2021-04-08 2022-01-05 Raccord union extensible WO2022215835A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210045787A KR102331199B1 (ko) 2021-04-08 2021-04-08 신축 유니언
KR10-2021-0045787 2021-04-08

Publications (1)

Publication Number Publication Date
WO2022215835A1 true WO2022215835A1 (fr) 2022-10-13

Family

ID=78933863

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2022/000180 WO2022215835A1 (fr) 2021-04-08 2022-01-05 Raccord union extensible

Country Status (2)

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KR (1) KR102331199B1 (fr)
WO (1) WO2022215835A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102331199B1 (ko) * 2021-04-08 2021-12-01 지훈 신축 유니언
KR102504852B1 (ko) * 2022-02-08 2023-02-28 지훈 교체가 용이한 제수변 유닛
KR102687493B1 (ko) * 2023-12-14 2024-07-23 주식회사 와이지엔지니어링 이중관 열교환기의 튜브 체결장치

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990040539U (ko) * 1999-05-27 1999-12-06 민정식 유니온
JP3074971U (ja) * 2000-07-19 2001-01-30 隆文 岡本 パイプ製手摺用標記付き接続パイプ
KR200315763Y1 (ko) * 2003-03-19 2003-06-11 우건수 호스 연결장치
KR20080006247U (ko) * 2008-11-26 2008-12-16 이병무 신축조절기능을 가진 배관용 커플러
KR20140006209U (ko) * 2013-05-30 2014-12-11 현대중공업 주식회사 펌프 설치용 더미 장치
KR102331199B1 (ko) * 2021-04-08 2021-12-01 지훈 신축 유니언

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090045784A (ko) 2007-11-02 2009-05-08 김정춘 볼 밸브를 일체형으로 내장한 유니언 및 유니언의 연결방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990040539U (ko) * 1999-05-27 1999-12-06 민정식 유니온
JP3074971U (ja) * 2000-07-19 2001-01-30 隆文 岡本 パイプ製手摺用標記付き接続パイプ
KR200315763Y1 (ko) * 2003-03-19 2003-06-11 우건수 호스 연결장치
KR20080006247U (ko) * 2008-11-26 2008-12-16 이병무 신축조절기능을 가진 배관용 커플러
KR20140006209U (ko) * 2013-05-30 2014-12-11 현대중공업 주식회사 펌프 설치용 더미 장치
KR102331199B1 (ko) * 2021-04-08 2021-12-01 지훈 신축 유니언

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