A screw locking mechanism for optical lens module

CN224274044UActive Publication Date: 2026-05-26ZHONGSHAN FISH EYE TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: ZHONGSHAN FISH EYE TECHNOLOGY CO LTD
Filing Date: 2025-07-08
Publication Date: 2026-05-26

AI Technical Summary

Technical Problem

Traditional manual assembly of optical lenses and PCB boards is inefficient and difficult to guarantee in terms of precision consistency. Existing screw fastening mechanisms lack effective angle compensation and flexible support when facing flatness errors or screw hole perpendicularity deviations during lens module installation, resulting in fastening difficulties and affecting reliability and accuracy.

Method used

The floating connection structure, which includes a ball-cage universal joint and elastic components, is used in conjunction with guide and limit components to achieve dynamic balance and angle compensation of the locking components, ensuring accurate torque transmission and stability of the locking components.

Benefits of technology

It improves the assembly accuracy and efficiency of optical lenses and PCB boards, reduces damage to screws and screw holes, and ensures the reliability and stability of the fastening process.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a screw fastening mechanism for an optical lens module, specifically relating to the technical field of screw fastening mechanisms. It includes two supporting side plates, a connecting seat between the two supporting side plates, and displacement components for translating the connecting seat on the two supporting side plates. A mounting frame is connected to the connecting seat via a slide rail. A drive motor is installed inside the mounting frame, and a fastening component is located at the lower end of the drive motor. A floating connection structure is provided between the drive motor and the fastening component. This utility model, by setting a floating connection structure, utilizes the constant velocity transmission and large angle compensation capabilities of a ball-cage universal joint to accurately transmit torque and adapt to screw hole deviations. In this case, the floating connecting plate connected by a first spring and a second spring enables dynamic balance between the universal joint angle compensation and the flexible support of the elastic element. This design allows the fastening component to automatically adjust its floating amount during screw insertion, maintaining the optimal fastening posture.

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