A multifunctional security combination lock
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 安徽先启电子科技有限公司
- Publication Date
- 2021-06-04
Smart Images

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Abstract
Description
technical field
[0001] The invention belongs to the technical field of combination locks, in particular to a multifunctional security combination lock. Background technique
[0002] Combination lock is a kind of lock, which is opened with a series of numbers or symbols. Text combination lock can be divided into: mechanical combination lock, digital combination lock and so on. The codes of combination locks are usually just permutations rather than real combinations. Some combination locks only use a turntable to turn several discs or cams inside the lock; some combination locks turn a set of dials engraved with numbers to directly drive the mechanism inside the lock.
[0003] However, during the use of the traditional multi-function security combination lock, dust or oil stains are often accidentally stained on the fingerprint verification plate, resulting in fingerprint recognition not working normally, and it is inconvenient to clean the dust or oil stains, which affects ...