Chain hollow building block load bearing wall of concrete cross bore

The utility model relates to a chain hollow building block load bearing wall of concrete cross bore, including epithelium building block, hypodermis building block and curb plate, epithelium building block and hypodermis building block fixed connection, the curb plate be located the epithelium building block the side and rather than fixed connection, the lower extreme of epithelium building block is provided with the lower part recess, lower part recess and epithelium building block integrated into one piece, the upper end of hypodermis building block is provided with the upper portion fin, upper portion fin and hypodermis building block integrated into one piece, lower part recess and upper portion fin looks accordant connection, the center separately of epithelium building block and hypodermis building block is provided with the cross bore. The utility model discloses an advantage: simple process, the sound construction, hollow ratio is big, density is little, consume the material less, the dead weight is l