JPS57180709A - Sluice gate incorporating float type non-return valve - Google Patents

Sluice gate incorporating float type non-return valve

Info

Publication number
JPS57180709A
JPS57180709A JP6577281A JP6577281A JPS57180709A JP S57180709 A JPS57180709 A JP S57180709A JP 6577281 A JP6577281 A JP 6577281A JP 6577281 A JP6577281 A JP 6577281A JP S57180709 A JPS57180709 A JP S57180709A
Authority
JP
Japan
Prior art keywords
water
internal
float
external
external water
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.)
Granted
Application number
JP6577281A
Other languages
Japanese (ja)
Other versions
JPS6046209B2 (en
Inventor
Yoshifumi Hamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAHARA SEISAKUSHO KK
Original Assignee
TAHARA SEISAKUSHO KK
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 TAHARA SEISAKUSHO KK filed Critical TAHARA SEISAKUSHO KK
Priority to JP6577281A priority Critical patent/JPS6046209B2/en
Publication of JPS57180709A publication Critical patent/JPS57180709A/en
Publication of JPS6046209B2 publication Critical patent/JPS6046209B2/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates
    • E02B7/205—Barrages controlled by the variations of the water level; automatically functioning barrages

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Barrages (AREA)

Abstract

PURPOSE:To prevent returning of external water even if the water level of external water is raised higher than that of internal water, by installing a float type valve chamber, provided with a non-return valve preventing returning of external water, at a part of a sluice gate. CONSTITUTION:If a water level of internal water 2 is raised higher than that of external water 3 by a given height, a pressure, produced dur to the difference in water level, overcomes buoyancy of a float 11 to depress the float 11, and as a result, the internal water 2 flows to the external water (3) side. Meanwhile, if the water level of the external water 3 is raised higher than that of the internal water 2, the float 11 is raised due to the buoyancy of the float 11 and the difference in water level between the internal and the external water to form a perfect water tight line through the pressure produced resulting from contact of a valve seat 13 with a water tight rubber, and this prevents entrance of the external water 3 to the internal water (2) side.
JP6577281A 1981-04-30 1981-04-30 Water gate with built-in float type check valve Expired JPS6046209B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6577281A JPS6046209B2 (en) 1981-04-30 1981-04-30 Water gate with built-in float type check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6577281A JPS6046209B2 (en) 1981-04-30 1981-04-30 Water gate with built-in float type check valve

Publications (2)

Publication Number Publication Date
JPS57180709A true JPS57180709A (en) 1982-11-06
JPS6046209B2 JPS6046209B2 (en) 1985-10-15

Family

ID=13296647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6577281A Expired JPS6046209B2 (en) 1981-04-30 1981-04-30 Water gate with built-in float type check valve

Country Status (1)

Country Link
JP (1) JPS6046209B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63107609A (en) * 1986-10-24 1988-05-12 Ishikawajima Harima Heavy Ind Co Ltd Stabilizer for high-pressure slide gate
JPH0393819U (en) * 1990-01-17 1991-09-25
JPH04132302U (en) * 1991-05-27 1992-12-08 リンナイ株式会社 Built-in gas stove device
JP2009007718A (en) * 2007-06-29 2009-01-15 Ayu Iwasada Pantihose

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63107609A (en) * 1986-10-24 1988-05-12 Ishikawajima Harima Heavy Ind Co Ltd Stabilizer for high-pressure slide gate
JPH0393819U (en) * 1990-01-17 1991-09-25
JPH04132302U (en) * 1991-05-27 1992-12-08 リンナイ株式会社 Built-in gas stove device
JP2009007718A (en) * 2007-06-29 2009-01-15 Ayu Iwasada Pantihose

Also Published As

Publication number Publication date
JPS6046209B2 (en) 1985-10-15

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