Composite spinning pulley

By incorporating detachable connecting components, the material waste problem caused by the integrated structure of traditional composite pulleys is solved, enabling quick disassembly and maintenance of the pulleys and improving maintenance efficiency.

CN224352351UActive Publication Date: 2026-06-12WUXI JIAKE METAL PROD CO LTD
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Patent Information

Application Number
CN202521783951.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-21
Publication Date
2026-06-12
Estimated Expiration
2035-08-21

AI Technical Summary

Technical Problem

Traditional composite pulleys, due to their integrated structure, require the entire pulley to be replaced if a single pulley is damaged, resulting in significant material waste.

Method used

The system employs detachable connecting components, including connecting posts, fixing plates, connectors, and fastening bolts, to achieve modular combination and disassembly of multiple wheel bodies. The connecting posts pass through the insertion holes and the holes in the fixing plates, and the mechanical engagement of the fastening bolts and snap-fit ​​components achieves positioning and locking.

Benefits of technology

It enables quick disassembly and maintenance of the pulley, avoiding complete replacement, reducing maintenance costs and operational difficulty, and improving maintenance efficiency.

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Abstract

This utility model relates to the field of composite spun pulleys, specifically to a composite spun pulley, comprising a pulley body, wherein multiple sets of pulley bodies are arranged horizontally in sequence, and insertion holes are provided on the outer side of each pulley body; a connecting assembly for assembling the multiple sets of pulley bodies; the connecting assembly includes a mounting plate abutting against the inner wall of the pulley body, and multiple sets of connecting posts are fixedly connected to the right side of the mounting plate, the connecting posts passing through the insertion holes, and a fixing plate being inserted into the outer side of the right end of the connecting posts. Through the connecting assembly, the connecting posts passing through the insertion holes of the multiple sets of pulley bodies and the holes of the fixing plate form axial positioning. After the fastening bolts are tightened, the slots of the connecting plate and the locking parts of the connecting parts engage in an arc shape, dispersing stress through surface contact and preventing bolt loosening. This also facilitates the disassembly and maintenance of the pulley without requiring replacement of the entire pulley, improving maintenance efficiency and reducing operational difficulty.
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