Double-open-close mode window capable of optimizing airtightness
A technology of airtightness and windows, applied in the field of doors and windows, can solve the problems of poor airtightness and wind pressure resistance of push-pull windows, failure to guarantee airtightness and wind pressure resistance, and casement windows occupying indoor space, so as to reduce accidents The risk of bumping, solving the problem of dust accumulation in the chute, and the effect of convenient life
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[0031] The present invention will be further elaborated below in conjunction with the accompanying drawings.
[0032] Figure 1 to Figure 6 It is a preferred mode of the present invention, which shows a double opening and closing window with optimized airtightness, including a window frame (1) used to fix the part with the wall, and a window frame (1) that can be relatively parallel sliding and rotated to be opened in the window frame The inner window (2), the contact surface between the inner window and the window frame is provided with a sealing strip, and it is characterized in that: a part of the window frame (1) is provided with a non-openable fixed glass (11), and the other One part is the hollow window frame (12) carrying the inner form.
[0033] The upper and lower crossbeams of the window frame (1) are each provided with two sections of chutes (13) that are horizontal and open inward, and the length of each chute is not less than the width of the hollow window frame ...
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