Sleeve assembly and wall structure

The utility model relates to a casing pipe assembly and a wall body structure, the casing pipe assembly comprises a waterproof casing pipe, the first end of the waterproof casing pipe can be in flush connection with one side of an external wall body, and the second end of the waterproof casing pipe can be embedded into the other side of the wall body; the through-wall pipe is arranged on the waterproof sleeve in a penetrating mode, a first blocking part is formed on the outer wall of the through-wall pipe, and the end, away from the first blocking part, of the through-wall pipe is connected with the first end of the waterproof sleeve in a sealed mode; and the connecting sleeve is arranged on the outer side of the through-wall pipe in a sleeving mode, one end of the connecting sleeve is inserted into the waterproof sleeve in the axial direction and abuts against the first blocking part, and the other end of the connecting sleeve is fixedly connected with the second end of the waterproof sleeve. The casing pipe