A type of double-channel door and window with concealed handle

By separating the sliding support groove and the locking wall groove in the doors and windows, and adding a sealing structure to the window frame, the problem of increasing the width of the window sash is solved, resulting in a larger glass area and better sealing performance, and improving the light transmission and sound insulation of the doors and windows.

CN224432356UActive Publication Date: 2026-06-30JIANGSU DAYANG DOOR & WINDOW CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU DAYANG DOOR & WINDOW CO LTD
Filing Date
2025-08-05
Publication Date
2026-06-30

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Abstract

This application relates to a handle-concealed double-channel door and window, belonging to the field of door and window technology. It includes a window sash and a window frame. Glass is installed on the window sash. The window sash has a first sliding support groove and a locking wall groove. A locking element is installed in the locking wall groove for locking onto the window frame. A sliding support is installed in the first sliding support groove and is connected to the window frame, thereby connecting the window sash to the window frame. The first sliding support groove and the locking wall groove are arranged sequentially along the width direction of the glass. This application has the effect of further improving the light transmission effect of the door and window.
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