| 摘要 |
PURPOSE: A variable window frame structure is provided to improve heat-insulation effect and prevent transmission of noise. CONSTITUTION: A variable window frame structure comprises an inner frame(10), an outer frame(20), and a connection member(30). The outer frame is constructed at outdoor side correspondently to the inner frame. The connection member connects the inner frame and the outer frame. An inner supporting unit(11a) is coupled with the upper surface of the inner frame detachably. A center supporting unit(22) is formed in the inner upper side of the outer frame and an outer supporting unit(21a) is coupled with the outer supper side of the outer frame. A first glass combining groove(100) is formed between the inner supporting unit and the outer supporting unit. |
