Three-jaw clamp spectacle frame capable of adjusting load of optical lens

Through the mini three-jaw fixture chuck and synchronous clamping structure, the problem of insufficient adjustment capabilities of traditional frames is solved, and efficient and stable lens fixation is achieved, which is suitable for precision optical systems.

CN120405883AInactive Publication Date: 2025-08-01INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)
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Patent Information

Application Number
CN202510921049.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-04
Publication Date
2025-08-01
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The adjustment capability of traditional optical lens frames is limited, making it difficult to be compatible with lenses with different curvature radii or diameters, and the optical path deviation is easily generated under high temperature or vibration environments, and the existing adjustment mechanism is inefficient.

Method used

The micro three-jaw fixture chuck and synchronous clamping structure are adopted, combined with polyurethane gasket and driving mechanism, to achieve automatic centering and continuous adjustable clamping of the lens optical axis, and the deep integration with the optical mounting and adjustment requirements through the self-centering symmetric clamping structure.

Benefits of technology

Significantly improve the installation and adjustment accuracy and efficiency of the optical system, reduce the need for frame replacement, ensure the stability of lens performance and long-term stability of the optical path, and is suitable for miniaturized optical equipment.

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Abstract

The invention relates to the technical field of optical lens clamp spectacle frames, in particular to a three-jaw clamp spectacle frame capable of adjusting load of optical lenses. According to the technical scheme, the miniature three-jaw clamp comprises a miniature three-jaw clamp chuck, the miniature three-jaw clamp chuck comprises a chuck body with a round hole in the middle, three annular and uniform claws are slidably mounted on the end face of the chuck body, and polyurethane gaskets are mounted on the inner sides of the claws. A driving mechanism for driving the three claws to synchronously and radially move is arranged on the chuck body; the lens angle-adjustable lens bracket is used for mounting and supporting the micro three-jaw clamp chuck, the lens bracket comprises a three-jaw clamp fixing plate, and a chuck positioning groove and a chuck positioning hole communicated with the chuck positioning groove are formed in the three-jaw clamp fixing plate. According to the invention, through deep fusion of the self-centering symmetric clamping structure and optical adjustment requirements, a lens fixing solution which is more efficient, more reliable and higher in universality is provided for the field of precision optics.
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