Civil air defense basement water supply and drainage system capable of avoiding surface water accumulation

• Main Authors: ZHENG SHAOWU, HUANG HONGHAI, CHEN HUANJIN
• Format: Patent
• Language: Chinese; English
• Published: 04.03.2022
• Subjects: BUILDING; CEILINGS; CESSPOOLS; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FLOORS; FOUNDATIONS; GENERAL BUILDING CONSTRUCTIONS; HYDRAULIC ENGINEERING; INSULATION OR OTHER PROTECTION OF BUILDINGS; ROOFS; SEWERAGE; SEWERS; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES; WALLS, e.g. PARTITIONS; WATER SUPPLY

The utility model relates to the technical field of basement water supply and drainage, and discloses a civil air defense basement water supply and drainage system capable of avoiding surface ponding, which comprises a foundation layer, a drainage channel is arranged on the foundation layer, the drainage channel is arranged in a step shape, and the upper end of the drainage channel is fixedly connected with a cover plate through a positioning mechanism. The cover plate is provided with a plurality of water guiding grooves which are evenly distributed at equal intervals, the water guiding grooves penetrate through the cover plate, the lower end of the cover plate is fixedly connected with a plurality of connecting rods, the lower ends of the connecting rods are jointly and fixedly connected with a non-return plate, the lower end of the non-return plate is pressed on the second step of the foundation layer, and the non-return plate is fixedly communicated with a plurality of positioning cylinders. And two posit