Aluminum alloy window hollow pipe section shielding structure for building

The utility model provides a building aluminum alloy window hollow pipe section shielding structure which comprises a fixed shell, a fixed abutting block is slidably connected to the interior of the fixed shell, a connecting spring is fixedly connected to the side wall of the fixed abutting block, the other end of the connecting spring is fixedly connected to the inner side wall of the fixed shell, and the other end of the connecting spring is fixedly connected to the outer side wall of the fixed shell. And a communicating groove is formed in the position, located on the side wall, away from the connecting spring, of the fixing abutting block, of the fixing shell, the communicating groove penetrates through the fixing shell, and clamping plates are arranged in the fixing shell and are arranged on the left side and the right side of the interior of the fixing shell. A hollow pipe is clamped through the clamping plates, meanwhile, the acting force of the clamping plates on the hollow pipe is improved through th