Filter system

By introducing an adapter ring and a locking structure into the camera filter system, combined with magnetic suction technology, the problems of the protective filter falling off and the inconvenience of disassembly and assembly are solved, and fast and safe filter replacement is achieved.

CN223377586UActive Publication Date: 2025-09-23ZHONGSHAN XINGSHENG OPTICAL HARDWARE
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Patent Information

Application Number
CN202422661895.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-23
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

Existing camera filters have the risk of the protective lens falling off during the quick disassembly and assembly process, and the threaded frame needs to be rotated multiple times to be locked, making it impossible to quickly replace.

Method used

The design adopts an adapter ring combined with a protective lens. The adapter ring is equipped with a locking structure for fixing the protective lens, and other functional filters can be quickly installed through magnetic attraction. The locking structure ensures that the protective lens does not fall off. One side of the adapter ring can be rotated for quick disassembly and assembly.

Benefits of technology

The protective lens is stably installed to prevent it from falling off, and other functional filters can be quickly replaced, which improves the convenience and safety of filter replacement.

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Abstract

The utility model discloses a filter system, including protective glass, adapter ring, filter subassembly, protective glass is clamped in the obverse side of adapter ring and can rotate in the adapter ring, the adapter ring is provided with the clamping structure that can stretch along the axial direction of adapter ring, the clamping structure is used for fixing the protective glass, the filter subassembly is used for fixing the protective glass, and the filter subassembly is used for fixing the protective glass. The filter assembly can magnetically attract a general filter.
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