Door and window airtight device

Abstract

The invention provides a door and window airtight device, which includes a door leaf, a window leaf, a door frame, and a window frame, and is characterized in that: the inner edge of the door frame is complementary to the edge of the door leaf, the inner edge of the window frame is complementary to the edge of the window sash, Each edge clamps the rubber strips, and the rubber strips form four opposite corners; forming a double airtight inside and outside of the door and window. The beneficial effect of the present invention is that, between the door leaf and the door frame, and between the window leaf and the window frame, there are two inner and outer sealing rubber strips, so as to form double airtightness and achieve better sound insulation and heat preservation effects; the rubber strips are arranged on the door leaf Or in the edge of the window sash, door frame or window frame, only the pressed and sealed part is exposed, so as to achieve the effect of airtightness and the effect of hiding the rubber strip when closing the door or window.

Description

technical field [0001] The invention relates to a door and window airtight device. Background technique [0002] The airtight device of the existing door or window is single airtight, that is, only one side of the contact between the door leaf and the door frame or the window sash and the window frame is provided with an airtight strip, and the airtight strip is very thin and easy to fall off. There are gaps, and the sound insulation effect is poor; and the existing double-leaf doors or windows, in order to block the gap in the middle of the split, will add a protruding door stop to block the gap on one of the doors or windows, so that the two doors Or the windows are one big and one small, asymmetrical. Contents of the invention [0003] The object of the present invention is to propose a door and window airtight device, which is provided with two staggered door stoppers at the seams of the double doors or windows that are split apart, and the door stoppers are w...

AI Technical Summary

Problems solved by technology

[0002] The airtight device of the existing door or window is single airtight, that is, only one side of the contact between the door leaf and the door frame or the window sash and the window frame is provided with an airtight strip, and the airtight strip is very thin and easy to fall off. There are gaps, and the sound insulation effect is poor; and the existing double-leaf doors or windows, in order to block the gap in the middle of the split, will add a protruding door stop to block the gap on one of the doors or windows, so that the two doors Or the windows are one big and one small, asymmetrical

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