Labor-saving structure of heavy lifting sliding door

CN224693258UActive Publication Date: 2026-08-283H INC +2
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Patent Information

Application Number
CN202520744616.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-08-28
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

该滑轮仅为带动推力门移动,不具有省力功能,无法适应于重型门

Benefits of technology

[0005]本实用新型的有益效果为:实现辅助提升推拉门,该结构通过设置前滑轮组、后滑轮组、传动杆,前滑轮组与后滑轮组可前后滑动,并通过传动杆、前连接块、后连接块连接,然后通过设置助升器,利用取出定位螺钉,使助升器拉动后滑轮组往前滑轮组方向移动,从而使前滑轮组与后滑轮组产生向上移动的推力,实现辅助提升推拉门,可节省提升推拉门使用的力,大大降低提升时拉动连杆的拉力,即降低了转动执手时的扭力,整体结构简单实用可靠,可延长锁盒反复启闭的寿命,且该结构体型小巧,适配广泛。

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Abstract

The utility model discloses a kind of labor-saving structures of heavy lifting sliding door, including front pulley group, rear pulley group, transmission rod, front connecting block, rear connecting block, booster;The structure is set by front pulley group, rear pulley group, transmission rod, front pulley group and rear pulley group can slide back and forth, and by transmission rod, front connecting block, rear connecting block connection, then by setting booster, using to take out positioning screw, make booster pull rear pulley group move to front pulley group direction, to make front pulley group and rear pulley group produce the thrust of upward movement, realize auxiliary lifting sliding door, can save the force used by lifting sliding door, greatly reduce the tension of pull link when lifting, i.
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Citation Information

Patent Citations

  • Sliding-door pulley

    CN1155766C