A door and window opening and closing hinge and door and window

CN224326159UActive Publication Date: 2026-06-05SHENZHEN HOPO WINDOW CONTROL TECH CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SHENZHEN HOPO WINDOW CONTROL TECH CO LTD
Filing Date: 2025-05-30
Publication Date: 2026-06-05

AI Technical Summary

Technical Problem

Traditional outward-opening windows are cumbersome to operate, pose safety hazards, are especially unfriendly to children, and are difficult to open and close properly in narrow spaces.

Method used

Design a door and window opening and closing hinge, including a drive mechanism, a disengagement mechanism and an opening and locking mechanism. Through the cooperation of the sliding part and the crank assembly, the automatic opening and locking of the window sash is realized. By utilizing the meshing transmission of the gear area and the rack groove and the cooperation of the locking groove, the operation process is simplified and the safety is improved.

Benefits of technology

It enables the window sash to be opened or locked with a single operation, improving ease of use and safety, making it suitable for use in narrow spaces and reducing the risk of accidents to children.

✦ Generated by Eureka AI based on patent content.

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Figure CN224326159U_ABST

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Abstract

The utility model discloses a door and window opening and closing hinge and door and window. The door and window opening and closing hinge includes drive mechanism, including first casing and drive portion, and first casing is used for installing on the window frame, and drive portion is installed on first casing, and the disengagement mechanism, second casing and sliding portion, second casing is connected to one side of first casing, and the arc slot is seted up on second casing, and the sliding portion is transmission connection with drive portion to drive sliding portion linear reciprocating movement, and the opening and closing mechanism includes crank assembly and transmission part, and the first end of crank assembly is rotatably connected on second casing, and the second end of crank assembly is used for with sash sliding connection, and the position of the first end of crank assembly on the arc slot sliding connection, and the both ends of transmission part are respectively hinged with the position of the first end of sliding portion and crank assembly. Thus, through drive portion provides driving force, utilizes the cooperation of disengagement mechanism and opening and closing structure to drive sash automatic opening or locking, improves user experience.

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