KR200443398Y1 - 듀얼체크밸브 타입 일자형 역류방지장치 - Google Patents
듀얼체크밸브 타입 일자형 역류방지장치 Download PDFInfo
- Publication number
- KR200443398Y1 KR200443398Y1 KR2020070015954U KR20070015954U KR200443398Y1 KR 200443398 Y1 KR200443398 Y1 KR 200443398Y1 KR 2020070015954 U KR2020070015954 U KR 2020070015954U KR 20070015954 U KR20070015954 U KR 20070015954U KR 200443398 Y1 KR200443398 Y1 KR 200443398Y1
- Authority
- KR
- South Korea
- Prior art keywords
- poppet
- socket
- check valve
- outlet
- inlet
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000002265 prevention Effects 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000008399 tap water Substances 0.000 claims description 17
- 235000020679 tap water Nutrition 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 230000007774 longterm Effects 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009420 retrofitting Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/077—Arrangement of backflow preventing devices
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Check Valves (AREA)
Abstract
Description
Claims (4)
- 수돗물의 역류방지를 목적으로 수도 계량기 출수측 내지는 입수측에 인접 설치되는 역류방지장치에 있어서,상기 역류방지장치는,유체가 통과할 수 있는 입구(102)와 출구(104)를 가지며 출구(104)측 외연에 나사산(106)을 가진 속이 빈 중공의 일자형 소켓(100);상기 소켓(100) 입구측 외연에 설치되며 나사산(106)을 내연에 가진 체결구(110);상기 출구(104)에서 입구(102)측으로 역류하는 유체의 흐름을 저지하기 위해 소켓(100)의 입구(102)에 배치되는 제1 체크밸브(120-1);상기 제1 체크밸브(120-1)와 직렬배치되고, 상기 소켓(100) 중앙부 내경에 압입 설치되는 스냅링(117); 및상기 스냅링(117)과 직렬배치되며, 개구단된 일측은 상기 스냅링(117)에 지지고정되고 타측은 소켓(100)의 출구측 내경 단차(108)에 지지 고정되는 제2 체크밸브(120-2);로 구성되고,상기 제1, 제2 체크밸브(120-1)(120-2)는 각각,중앙에 개방된 유로(123)를 가진 밸브시트(122)와; 상기 밸브시트(122)가 그 일측 개구단에 밀착 연결되고 상기 소켓에 끼워져 고정될 수 있을 정도의 외경을 가진 포펫홀더(124)와;상기 포펫홀더(124) 내에 슬라이딩 가능하게 설치되며 유체의 흐름에 따라 상기 밸브시트(122)에 밀착하거나 밸브시트(122)로부터 이격되어 유로를 개방하거나 폐쇄하는 포펫(126); 및상기 포펫(126)과 포펫홀더(124) 사이에 개입되어 상기 포펫홀더(124)의 개구단을 폐쇄시키는 방향으로 포펫(126)에 탄성을 부여하는 코일 스프링(128);으로 구성되며,상기 포펫홀더(124)는 그 일측 개구단과 복수의 리브(124a)를 통해 일정거리 이격되는 타측 중앙에 축공(124c)이 형성된 슬리브(124b)를 일체로 가지며, 상기 포펫(126)은 상기 슬리브(124b) 축공(124c)에 끼워져 축공 길이방향에 대해 움직임을 가질 수 있을 정도의 연장된 길이를 가진 포펫축(126a)을 그 후방에 일체로 가져, 상기 포펫(126)은 포펫홀더(124) 내에서 좌,우방으로 슬라이딩 하면서 포펫홀더(124) 전방 밸브시트(122)에 형성된 유로(123)를 개방 또는 폐쇄함을 특징으로 하는 듀얼체크밸브 타입 일자형 역류방지장치.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020070015954U KR200443398Y1 (ko) | 2007-09-28 | 2007-09-28 | 듀얼체크밸브 타입 일자형 역류방지장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020070015954U KR200443398Y1 (ko) | 2007-09-28 | 2007-09-28 | 듀얼체크밸브 타입 일자형 역류방지장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR200443398Y1 true KR200443398Y1 (ko) | 2009-02-13 |
Family
ID=41648388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2020070015954U Expired - Lifetime KR200443398Y1 (ko) | 2007-09-28 | 2007-09-28 | 듀얼체크밸브 타입 일자형 역류방지장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200443398Y1 (ko) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101015302B1 (ko) | 2009-03-05 | 2011-02-15 | 방병민 | 역류 방지 이중 밸브를 설치한 수도미터기 |
KR101015360B1 (ko) | 2009-03-05 | 2011-02-16 | 방병민 | 역류 방지 이중 밸브를 장착시킨 수도미터기 |
KR101098842B1 (ko) | 2009-04-10 | 2011-12-30 | 박세웅 | 2단형 역류방지 밸브 |
KR101643719B1 (ko) * | 2016-03-31 | 2016-08-12 | 김진호 | 환풍기용 차단기 |
KR101906257B1 (ko) * | 2018-03-07 | 2018-10-10 | 성학제 | 체크밸브를 구비한 커플러 |
CN112628433A (zh) * | 2020-12-23 | 2021-04-09 | 广东永泉阀门科技有限公司 | 一种倒流防止器的双止回阀组安装结构 |
-
2007
- 2007-09-28 KR KR2020070015954U patent/KR200443398Y1/ko not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101015302B1 (ko) | 2009-03-05 | 2011-02-15 | 방병민 | 역류 방지 이중 밸브를 설치한 수도미터기 |
KR101015360B1 (ko) | 2009-03-05 | 2011-02-16 | 방병민 | 역류 방지 이중 밸브를 장착시킨 수도미터기 |
KR101098842B1 (ko) | 2009-04-10 | 2011-12-30 | 박세웅 | 2단형 역류방지 밸브 |
KR101643719B1 (ko) * | 2016-03-31 | 2016-08-12 | 김진호 | 환풍기용 차단기 |
WO2017171253A3 (ko) * | 2016-03-31 | 2018-09-07 | 김진호 | 환풍기용 차단기 |
CN108885024A (zh) * | 2016-03-31 | 2018-11-23 | 金进虎 | 排风扇用切断器 |
CN108885024B (zh) * | 2016-03-31 | 2020-11-17 | 金进虎 | 排风扇用切断器 |
KR101906257B1 (ko) * | 2018-03-07 | 2018-10-10 | 성학제 | 체크밸브를 구비한 커플러 |
CN112628433A (zh) * | 2020-12-23 | 2021-04-09 | 广东永泉阀门科技有限公司 | 一种倒流防止器的双止回阀组安装结构 |
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