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 in which a device for reducing scattering and dropping is made with respect to destruction of a lock member.SOLUTION: In a lid receiving frame set 10 provided with a receiving frame 3 defining an opening connected to an underground structure and a lid body 2 closing the opening, the lid body 2 has a lid main body 4 and a lock member 5 provided on the lid main body 4, the receiving frame 3 has a hook receiving portion 32, the lock member 5 has a lock main body 51, a shaft 52 for swingably supporting the lock main body 51 with respect to the lid main body 4, and a hook 53 provided integrally with the lock main body 51. While the hook 53 engages with the hook receiving portion 32 to block the opening, when the hook 53 is swung so as not to engage with the hook receiving portion 32, the opening is allowed to open. When the internal pressure is increased in the engaged state in which the hook 53 is engaged with the hook receiving portion 32, the hook 53 is broken and the engaged state is released, and the opening is opened.SELECTED DRAWING: Figure 5
【課題】錠部材の破壊に関し、飛散したり落下したりするものを少なく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】地下構造物につながる開口を画定する受枠３と、開口を塞ぐ蓋体２とを備えた蓋受枠セット１０において、蓋体２は、蓋本体４と、蓋本体４に設けられた錠部材５とを有するものであり、受枠３は、爪受け部３２を有するものであり、錠部材５は、錠本体５１と、蓋本体４に対して錠本体５１を揺動可能に支持する軸部５２と、錠本体５１と一体に設けられた爪部５３とを有し、爪部５３が爪受け部３２に係合して開口の開放を阻止する一方、爪部５３が爪受け部３２に係合しない状態に揺動させると開口の開放を許容するものであり、爪受け部３２に爪部５３が係合した係合状態で内圧が高まっていくと、爪部５３が破断して係合状態が解除され、開口が開放されるものである。【選択図】図５
LID RECEIVING FRAME SET FOR UNDERGROUND STRUCTURE
To provide a lid receiving frame set for an underground structure in which a device for reducing scattering and dropping is made with respect to destruction of a lock member.SOLUTION: In a lid receiving frame set 10 provided with a receiving frame 3 defining an opening connected to an underground structure and a lid body 2 closing the opening, the lid body 2 has a lid main body 4 and a lock member 5 provided on the lid main body 4, the receiving frame 3 has a hook receiving portion 32, the lock member 5 has a lock main body 51, a shaft 52 for swingably supporting the lock main body 51 with respect to the lid main body 4, and a hook 53 provided integrally with the lock main body 51. While the hook 53 engages with the hook receiving portion 32 to block the opening, when the hook 53 is swung so as not to engage with the hook receiving portion 32, the opening is allowed to open. When the internal pressure is increased in the engaged state in which the hook 53 is engaged with the hook receiving portion 32, the hook 53 is broken and the engaged state is released, and the opening is opened.SELECTED DRAWING: Figure 5
【課題】錠部材の破壊に関し、飛散したり落下したりするものを少なく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】地下構造物につながる開口を画定する受枠３と、開口を塞ぐ蓋体２とを備えた蓋受枠セット１０において、蓋体２は、蓋本体４と、蓋本体４に設けられた錠部材５とを有するものであり、受枠３は、爪受け部３２を有するものであり、錠部材５は、錠本体５１と、蓋本体４に対して錠本体５１を揺動可能に支持する軸部５２と、錠本体５１と一体に設けられた爪部５３とを有し、爪部５３が爪受け部３２に係合して開口の開放を阻止する一方、爪部５３が爪受け部３２に係合しない状態に揺動させると開口の開放を許容するものであり、爪受け部３２に爪部５３が係合した係合状態で内圧が高まっていくと、爪部５３が破断して係合状態が解除され、開口が開放されるものである。【選択図】図５
LID RECEIVING FRAME SET FOR UNDERGROUND STRUCTURE
地下構造物用蓋受枠セット
ONAMI TOYOAKI (author)
2019-07-11
Patent
Electronic Resource
Japanese
IPC:
E02D
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