The utility model relates to the field of door and
window detection, and discloses a door and window smog prevention detection sensor mounting structure, which comprises a smog
machine and a connecting
pipe, a
handle is slidably mounted on the inner wall of the smog
machine, two rollers are rotatably connected to the bottom end of the smog
machine, and one end of the connecting
pipe communicates with a shielding cloth. A plurality of supporting rods are fixedly installed on the inner wall of the shielding cloth and evenly distributed at the four corners of the shielding cloth, one end of each supporting rod is rotationally connected with a connecting base, the two rolling wheels are symmetrically distributed with the
smoke sprayer as the axis, and one end of a connecting
pipe communicates with one end of the
smoke sprayer; the shielding cloth communicates with the
smoke sprayer through the connecting pipe, the multiple supporting rods are installed on the inner wall of the shielding cloth and connected through the connecting base, so that the shielding cloth can be attached to the surface of the door and window conveniently, the size of the shielding cloth is adjusted through rotation of the supporting rods and the connecting base, and smoke generated by the smoke sprayer can be shielded conveniently.