A telescopic anti-falling device for sliding door and window
By employing a sliding fit structure of limiting grooves, inclined grooves, and sliders in sliding doors and windows, combined with pulleys to distribute the force, the problem of complex structure in existing devices is solved, achieving the effects of simplified operation and extended service life.
CN224549903UActive Publication Date: 2026-07-24JIANGSU FUDINGYANG DECORATION TECH CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU FUDINGYANG DECORATION TECH CO LTD
- Filing Date
- 2025-09-02
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
Existing anti-fall-off devices for sliding doors and windows have complex structures, which increases the difficulty of manufacturing and maintenance.
Method used
The anti-fall-off structure adopts an upper and lower crossbar combined with a limiting groove, an inclined groove and a slider. Through the sliding cooperation between the limiting slider and the inclined block and the rigid connection of the sliding rod, a coordinated protection is formed from top to bottom. Combined with the pulley structure, the force is distributed to prevent the door frame from falling off.
Benefits of technology
It simplifies operation, reduces production and maintenance costs, extends equipment life, and improves safety and stability.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224549903U_ABST
Abstract
The utility model discloses a telescopic sliding door and window anti -falling device belongs to sliding door and window field, including upper cross bar and lower cross bar and door frame, the below fixed connection of one side of upper cross bar is limited to slide groove, the inside slide connection of limited slide groove is limited to slide block, both ends of door frame top are all seted up with inclined slot, the utility model discloses, and the limited slide groove of upper cross bar cooperates with limited slide block, and the inclined block in the door frame inclined slot is combined, and the constraint is formed to door frame from upper portion, the limited block of lower cross bar both ends is inserted in the below of door frame, and it is limited to its transverse deviation from bottom, and the round hole of slide rod and limited slide block keeps locking under the spring effect, and forms rigid fixing, and this upper and lower cooperation's protective structure can effectively prevent the door frame from falling due to external force, wear or deformation, and the user can control the state of slide rod by pulling handle, and the locking is released or recovered, and complicated operation is not needed, when separating limited slide block and limited slide groove, just can slide along the inclined slot after pulling handle.
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