A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
LID RECEIVING FRAME SET FOR UNDERGROUND STRUCTURE
To provide a lid receiving frame set for an underground structure which effectively suppresses bending of an upper end part of a sheet for corrosion resistance while preventing corrosion of an outer peripheral surface of a lid body by the sheet for corrosion resistance, and is devised to stably prevent corrosion of an inner peripheral surface of a receiving frame.SOLUTION: A receiving frame 3 has: an inner peripheral surface 311 that is inclined in a direction in which an inner diameter becomes narrower downwardly; a sheet S for corrosion prevention that is provided on the inner peripheral surface 311; and a stop part 312 that projects to the inside on the lower side of the inner peripheral surface 311, wherein a lid body 2 has: a tapered outer peripheral surface 221 that is inclined in a direction in which an outer diameter becomes narrower downwardly; and a horizontal contact surface 223 that is brought into contact with an upper surface 312a of the stop part 312 when being slid down from a lid closed state, and the outer peripheral surface 221 and the contact surface 223 are connected to each other by an R surface.SELECTED DRAWING: Figure 2
【課題】防食用シートによって蓋体の外周面の腐食を防止しつつ、防食用シートの上端部分の折れ曲がりを効果的に抑え、受枠の内周面の腐食も安定して防止する工夫がなされた地下構造物用蓋受枠セットを提供する。【解決手段】受枠３は、下方に向けて内径が狭くなる方向に傾斜した内周面３１１と、内周面３１１に設けられた防食用シートＳと、内周面３１１の下側において内側に突出した停止部３１２と、を有するものであり、蓋体２は、下方に向けて外径が狭くなる方向に傾斜したテーパ状の外周面２２１と、閉蓋状態からずり下がると停止部３１２の上面３１２ａに当接する水平な当接面２２３と、を有するものであり、外周面２２１と当接面２２３はＲ面によって接続されたものである。【選択図】図２
LID RECEIVING FRAME SET FOR UNDERGROUND STRUCTURE
To provide a lid receiving frame set for an underground structure which effectively suppresses bending of an upper end part of a sheet for corrosion resistance while preventing corrosion of an outer peripheral surface of a lid body by the sheet for corrosion resistance, and is devised to stably prevent corrosion of an inner peripheral surface of a receiving frame.SOLUTION: A receiving frame 3 has: an inner peripheral surface 311 that is inclined in a direction in which an inner diameter becomes narrower downwardly; a sheet S for corrosion prevention that is provided on the inner peripheral surface 311; and a stop part 312 that projects to the inside on the lower side of the inner peripheral surface 311, wherein a lid body 2 has: a tapered outer peripheral surface 221 that is inclined in a direction in which an outer diameter becomes narrower downwardly; and a horizontal contact surface 223 that is brought into contact with an upper surface 312a of the stop part 312 when being slid down from a lid closed state, and the outer peripheral surface 221 and the contact surface 223 are connected to each other by an R surface.SELECTED DRAWING: Figure 2
【課題】防食用シートによって蓋体の外周面の腐食を防止しつつ、防食用シートの上端部分の折れ曲がりを効果的に抑え、受枠の内周面の腐食も安定して防止する工夫がなされた地下構造物用蓋受枠セットを提供する。【解決手段】受枠３は、下方に向けて内径が狭くなる方向に傾斜した内周面３１１と、内周面３１１に設けられた防食用シートＳと、内周面３１１の下側において内側に突出した停止部３１２と、を有するものであり、蓋体２は、下方に向けて外径が狭くなる方向に傾斜したテーパ状の外周面２２１と、閉蓋状態からずり下がると停止部３１２の上面３１２ａに当接する水平な当接面２２３と、を有するものであり、外周面２２１と当接面２２３はＲ面によって接続されたものである。【選択図】図２
LID RECEIVING FRAME SET FOR UNDERGROUND STRUCTURE
地下構造物用蓋受枠セット
ONAMI TOYOAKI (author) / MASUDA TOMOYA (author) / YAMADA TAKAHISA (author)
2023-12-28
Patent
Electronic Resource
Japanese
IPC:
E02D
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