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Fireproof aluminum alloy door and window

The invention discloses a fireproof aluminum alloy door and window, and belongs to the field of aluminum alloy doors and windows. The fireproof aluminum alloy door and window comprises a frame and aninner sash, a fireproof layer is laid on the surface of the frame, the frame comprises an upper frame profile, a lower frame profile and a side frame profile, the lower frame profile is slidably connected with a slide rail mounting seat, and the slide rail mounting seat is provided with a slide rail; the inner sash comprises a sash frame and fireproof glass; a height adjusting device is arranged between the slide rail mounting base and the lower frame profile; the height adjusting device comprises a left-right rotation bidirectional transmission lead screw and two shear fork arms, the left-right rotation bidirectional transmission lead screw is provided with two nuts with opposite rotation directions, one ends of the two shear fork arms are hinged to two nuts respectively, sliding blocks are hinged to the other ends of the two shear fork arms, the sliding blocks are connected to the slide rail mounting base in a sliding mode, and the middles of the two shear fork arms are hinged through pin shafts; the height adjusting device further comprises an input rotating shaft which is in transmission with the left-right rotation bidirectional transmission lead screw through a bevel gear; and the input rotating shaft is connected with a handle. The fireproof aluminum alloy door and window has a fireproof function and also has the characteristic of preventing deformation and clamping.
Owner:安徽博安门窗有限公司
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