A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
MANHOLE COVER BODY
PROBLEM TO BE SOLVED: To provide a manhole cover body that prevents cluttering of the cover body and a disabled state for opening the cover body.SOLUTION: A manhole cover body includes a receiving frame member 2 having a tubular fitting support part 6, and a cover body 3 for closing an opening 7 formed at a center in a radial direction of the fitting support part 6. The fitting support part 6 includes, at a bottom part thereof, a cover receiving part 11 protruding inward in the radial direction and having a top surface. An inner peripheral surface of the opening 7 is formed as a frame-side inclined surface 8 of a truncated cone shape tapered downward, of which a diameter becomes smaller toward a lower part, and the cover body 3 has a cover leg part aligned in a vertical direction with the cover receiving part 11, when the cover body is fitted on the opening 7. The cover leg part has, at a bottom part thereof, an undersurface that faces a top surface of the cover receiving part 11 in a vertical direction, when the cover body 3 is fitted on the opening 7. An outer peripheral surface of the cover leg part is formed as a cover-side inclined surface 17 that faces the frame-side inclined surface 8, the outer peripheral surface of the cover leg part being inclined at an almost same inclination as the frame-side inclined surface 8. The frame-side inclined surface 8 and the cover-side inclined surface 17 are brought into contact with each other, when the cover body 3 is fitted on the opening 7.SELECTED DRAWING: Figure 3
【課題】蓋体のがたつきや蓋体を開けられないといった状態を回避できるマンホールの蓋体装置の提供。【解決手段】筒状の嵌合支持部６を有する受枠部材２と、嵌合支持部６の径方向中心に形成された開口部７を塞ぐための蓋体３とを備え、嵌合支持部６は、その最も下位に径方向内方に向けて突出し上面を有する蓋受部１１を備える。開口部７の内周面は、その下方ほど小径となるよう傾斜して円錐台側面形状に形成された枠側勾配面８とされ、蓋体３は、開口部７に装着された状態で蓋受部１１と上下方向で位置付けられる蓋脚部を備える。蓋脚部はその最も下位に、蓋体３を開口部７に装着した状態で蓋受部１１の上面に上下方向で対向する下面を備え、蓋脚部の外周面は、枠側勾配面８に略等しい傾斜を有して枠側勾配面８に対向する蓋側勾配面１７とされ、開口部７に蓋体３が装着された状態で、枠側勾配面８および蓋側勾配面１７どうしが当接するよう構成されている。【選択図】図３
MANHOLE COVER BODY
PROBLEM TO BE SOLVED: To provide a manhole cover body that prevents cluttering of the cover body and a disabled state for opening the cover body.SOLUTION: A manhole cover body includes a receiving frame member 2 having a tubular fitting support part 6, and a cover body 3 for closing an opening 7 formed at a center in a radial direction of the fitting support part 6. The fitting support part 6 includes, at a bottom part thereof, a cover receiving part 11 protruding inward in the radial direction and having a top surface. An inner peripheral surface of the opening 7 is formed as a frame-side inclined surface 8 of a truncated cone shape tapered downward, of which a diameter becomes smaller toward a lower part, and the cover body 3 has a cover leg part aligned in a vertical direction with the cover receiving part 11, when the cover body is fitted on the opening 7. The cover leg part has, at a bottom part thereof, an undersurface that faces a top surface of the cover receiving part 11 in a vertical direction, when the cover body 3 is fitted on the opening 7. An outer peripheral surface of the cover leg part is formed as a cover-side inclined surface 17 that faces the frame-side inclined surface 8, the outer peripheral surface of the cover leg part being inclined at an almost same inclination as the frame-side inclined surface 8. The frame-side inclined surface 8 and the cover-side inclined surface 17 are brought into contact with each other, when the cover body 3 is fitted on the opening 7.SELECTED DRAWING: Figure 3
【課題】蓋体のがたつきや蓋体を開けられないといった状態を回避できるマンホールの蓋体装置の提供。【解決手段】筒状の嵌合支持部６を有する受枠部材２と、嵌合支持部６の径方向中心に形成された開口部７を塞ぐための蓋体３とを備え、嵌合支持部６は、その最も下位に径方向内方に向けて突出し上面を有する蓋受部１１を備える。開口部７の内周面は、その下方ほど小径となるよう傾斜して円錐台側面形状に形成された枠側勾配面８とされ、蓋体３は、開口部７に装着された状態で蓋受部１１と上下方向で位置付けられる蓋脚部を備える。蓋脚部はその最も下位に、蓋体３を開口部７に装着した状態で蓋受部１１の上面に上下方向で対向する下面を備え、蓋脚部の外周面は、枠側勾配面８に略等しい傾斜を有して枠側勾配面８に対向する蓋側勾配面１７とされ、開口部７に蓋体３が装着された状態で、枠側勾配面８および蓋側勾配面１７どうしが当接するよう構成されている。【選択図】図３
MANHOLE COVER BODY
マンホールの蓋体装置
MISORI YOSHIO (author) / ECCHU TOSHIO (author) / HATA TOMONOBU (author)
2016-05-12
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
BLOCKING LID OF MANHOLE COVER RECESS, LID BODY, AND RECESS BLOCKED MANHOLE COVER
| European Patent Office | 2015