JP5911385B2 - 地下施設の換気口用止水装置 - Google Patents
地下施設の換気口用止水装置 Download PDFInfo
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- JP5911385B2 JP5911385B2 JP2012150039A JP2012150039A JP5911385B2 JP 5911385 B2 JP5911385 B2 JP 5911385B2 JP 2012150039 A JP2012150039 A JP 2012150039A JP 2012150039 A JP2012150039 A JP 2012150039A JP 5911385 B2 JP5911385 B2 JP 5911385B2
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- Prior art keywords
- water stop
- stop plate
- surface side
- auxiliary frame
- frame
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 108
- 238000009423 ventilation Methods 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims 2
- 238000004078 waterproofing Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
5…止水装置 6…止水板
6a…上面側端縁部(止水板) 8…シリンダー
10…枠体 11、14…水密ゴム(シール部材)
12…補助枠 15…凸状部(補助枠)
16…凹状部(枠体)
Claims (1)
- 地下施設と地上とを連通する換気口の開口部を複数に分割した止水板にて閉鎖可能とし、各止水板はその一端部を換気口開口部の内壁に回動自在に軸着してシリンダーにて起伏可能とする一方、開口部内周壁に沿って下面側に水密用のシール部材を貼着した枠体を周設し、前記止水板を水平に立ち上げたときに止水板上面側の端縁部が前記枠体下面側のシール部材に当接して換気口開口部を閉鎖するようにした地下施設の換気口用止水装置において、各止水板を起伏方向が一致するように換気口開口部に所定間隔にて並設し、隣接する各止水板の中間部には各止水板間の隙間を閉塞する補助枠を揺動自在に備え、該補助枠の下面側には水密用のシール部材を貼着する一方、補助枠の上面側には枠体との係合用の凸状部を突設し、前記補助枠下面側を止水板の上面側端縁部に係止させて止水板の起伏動作に応じて補助枠も従動的に回動するようにすると共に、前記枠体下面側の所定位置には前記補助枠の凸状部が係合可能な凹状部を設け、各止水板を水平に立ち上げたときには従動的に回動する補助枠の凸状部が枠体の凹状部に係合することによって補助枠が水平に支持されて補助枠下面側のシール部材とその両側に位置する各止水板の上面側端縁部とが密着するように構成したことを特徴とする地下施設の換気口用止水装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012150039A JP5911385B2 (ja) | 2012-07-04 | 2012-07-04 | 地下施設の換気口用止水装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012150039A JP5911385B2 (ja) | 2012-07-04 | 2012-07-04 | 地下施設の換気口用止水装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014012942A JP2014012942A (ja) | 2014-01-23 |
JP5911385B2 true JP5911385B2 (ja) | 2016-04-27 |
Family
ID=50108751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012150039A Active JP5911385B2 (ja) | 2012-07-04 | 2012-07-04 | 地下施設の換気口用止水装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5911385B2 (ja) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0343814Y2 (ja) * | 1986-08-06 | 1991-09-13 | ||
JPH0723617B2 (ja) * | 1992-09-11 | 1995-03-15 | 正之 浅野 | 浸水防止遮蔽装置 |
JPH10266250A (ja) * | 1997-03-28 | 1998-10-06 | Yoshitsugu Hirano | 大型角型鉄蓋 |
JP3091162U (ja) * | 2002-07-03 | 2003-01-17 | 日工株式会社 | 洞道換気孔の止水装置 |
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2012
- 2012-07-04 JP JP2012150039A patent/JP5911385B2/ja active Active
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Publication number | Publication date |
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JP2014012942A (ja) | 2014-01-23 |
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