A wind leakage prevention door and window frame corner connecting piece

Abstract

The utility model relates to the field of door and window frame corner assembling, disclose a door and window frame corner assembling connecting piece of air leakage prevention, including frame, the fixed mounting of corner assembling has in the frame inner wall, the outer side of corner assembling is provided with sealing assembly, sealing assembly includes the clamping groove, the clamping groove is set up in corner assembling two sides before and after, the inner wall of clamping groove is inserted with sealing element, the inner wall of corner assembling lower part is set up with the glue injection hole, the inner wall of corner assembling is set up with the flow channel through, in the utility model, through the arc convex joint of sealing element and clamping groove, form first physical sealing barrier, cooperate the filling of glue body after injection, reduce air permeation, and the flow channel and the channel will the glue body guide clamping groove, glue injection groove a and glue injection groove b, make the inside and outside of corner assembling, sealing element and the contact surface of sectional material are filled with glue body, eliminate tiny gap, recess design of sealing element can expand after the injection of glue body, enhance the adhesion of sectional material, adapt to different installation error or slight deformation.

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