Flood damage prevention device at time of torrential rains

摘要

Topic Rainfall at the time of the torrential rains is perceived, at tare weight of this rainwater naturally the flood damage prevention device which the dead water is produced is offered.SolutionsThe flood damage prevention device 10 installing in the scupper of the paddy field, as for the flood damage prevention device, the scupper of the paddy field the weir it comes and the dead water body the flowing water opening dead water valve 12 in order to close 17 which provides on paddy field side of 11 which you stop and the particular dead water body and the particular flowing water opening and the particular dead water valve the engage and release it hooks unrestrictedly and it possesses with the rainwater receiving 13 which is concatenated to the pulling section 14 containment. With the above-mentioned structure, when the rainwater receiving is close to the nul or the nul, the dead water valve is hooked at the pulling section and when containment, the specified rainwater accumulates in the particular rainwater receiving, at tare weight of the rainwater the dead water valve comes off from the pulling section, closes the flowing water opening. Choice figure Drawing 1