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LID RECEIVING FRAME SET FOR UNDERGROUND STRUCTURE
To provide a lid receiving frame set for underground structure which is devised to reduce scattering and falling of a lock member related to destroy of the lock member.SOLUTION: In a lid receiving frame set 10 including a receiving frame 3 that defines an opening connected to an underground structure and a lid body 2 that blocks the opening, the lid body 2 includes a lid body 4, and a lock member 5 and a regulation member 6 provided on the lid body 4, the receiving frame 3 has a claw receiving part 32, the lock member 5 includes a lock body 51, a shaft part 52 that swingably supports the lock body 51 to the lid body 4 and a claw part 53 provided integrally with the lock body 51, the claw part 53 is engaged with the claw receiving part 32 and blocks opening of an opening, on the contrary, when the claw part 53 is swung in a state of not being engaged with the claw receiving part 32, the claw part permits the opening of the opening, and when an inner pressure is increased in an engagement state in which the claw part 53 is engaged with the claw receiving part 32, the claw part 53 is broken to release the engagement state, 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および規制部材6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 underground structure which is devised to reduce scattering and falling of a lock member related to destroy of the lock member.SOLUTION: In a lid receiving frame set 10 including a receiving frame 3 that defines an opening connected to an underground structure and a lid body 2 that blocks the opening, the lid body 2 includes a lid body 4, and a lock member 5 and a regulation member 6 provided on the lid body 4, the receiving frame 3 has a claw receiving part 32, the lock member 5 includes a lock body 51, a shaft part 52 that swingably supports the lock body 51 to the lid body 4 and a claw part 53 provided integrally with the lock body 51, the claw part 53 is engaged with the claw receiving part 32 and blocks opening of an opening, on the contrary, when the claw part 53 is swung in a state of not being engaged with the claw receiving part 32, the claw part permits the opening of the opening, and when an inner pressure is increased in an engagement state in which the claw part 53 is engaged with the claw receiving part 32, the claw part 53 is broken to release the engagement state, 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および規制部材6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)
2020-01-09
Patent
Electronic Resource
Japanese