Patent ID: 7571574

Claim:
An insertion assembly for door and window frames, comprising a side frame and a transverse frame disposed perpendicularly thereto, wherein an L-shaped fixed member is provided at the outside of a connection portion of the side frame and the transverse frame, a side fastening bolt is provided to pass through a through hole at an upright portion of the L-shaped fixed member and a through hole at the side frame to connect a side fastening panel, a transverse fastening bolt is provided passing through a through hole at a transverse portion of the L-shaped fixed member and a through hole at the transverse frame to connect a transverse panel, two pins are provided at the transverse portion of the L-shaped fixed member, two holes are provided at a surface of the side frame opposite to the transverse portion to receive the pins, each of the holes is formed at an edge of the side frame, a side steel lining panel is provided in a groove formed between the two holes, the side steel lining panel and the side fastening panel are sandwiched between the side frame and the L-shaped fixed member, the side fastening panel is sandwiched between the side steel lining panel and the L-shaped fixed member, and the side fastening bolt is used to connect the side fastening panel, the upright portion of the L-shaped fixed member and the side steel lining panel together.