A magnetic attraction filter device with rotation locking function
By introducing a rotation locking structure into the magnetic filter device, the filter is reliably locked using an elastic positioning part and a positioning slot, solving the problem of magnetic filters easily falling off and improving safety and lens protection.
CN224536328UActive Publication Date: 2026-07-21ZHUHAI CHUANFU OPTICAL TECH
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHUHAI CHUANFU OPTICAL TECH
- Filing Date
- 2025-07-05
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
Existing magnetic filters are prone to falling off during use, resulting in low safety.
Method used
A magnetic filter device with a rotation locking structure is designed. By setting elastic positioning parts and positioning slots between the adapter ring and the filter, and between adjacent filters, locking and unlocking can be achieved, thereby enhancing the reliability and stability of the locked state.
Benefits of technology
It improves the accuracy and convenience of locking operation, avoids the risk of filters falling off, enhances safety and lens cleanliness, and extends product lifespan.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224536328U_ABST
Abstract
The utility model relates to a kind of magnetism filter lens device with rotation locking function, including the adapter ring and more than one filter lens for assembling in the front end of lens, the filter frame inside of the adapter ring and filter lens is equipped with magnetic block: when using, the filter lens is stacked in the front end of adapter ring, and the adapter ring and adjacent filter lens can be rotatably magnetically attracted and connected each other, adjacent filter lens can be rotatably magnetically attracted and connected each other;Rotary locking structure is equipped between the mutual magnetically attracted and connected end of adapter ring and filter frame, between the mutual magnetically attracted and connected end of the filter frame of adjacent filter lens, and the rotary locking structure includes first buckling part, second buckling part, elastic positioning part and positioning catch;When adapter ring and filter lens, two adjacent filter lenses relatively rotate to elastic positioning part is clamped in positioning catch, the first buckling part and second buckling part are buckled, realize locking, locking rotation operation is accurate, convenience, locking is reliable, stability, and use safety is high.
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