Electronic Cylinder Lock Pulling Mechanism for Stable Engagement
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Solution Overview
Problem
Conventional cylinder locks face issues with incomplete engagement due to a pushing mechanism, limited motor size causing insufficient output, and obstructed power and signal connections within the main body.
Innovation Solution
An electronic cylinder lock employing a pulling mechanism through a control lever to ensure stable engagement between the first and second engaging portions, allowing for reliable locking and unlocking, and utilizing a control unit with a driving source to facilitate axial sliding of the second shaft relative to the first shaft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pushing mechanism is used to engage the first engaging member with the second engaging member, then the engaging mechanism can be actuated, but the engagement is incomplete or unreliable because the second engaging member has a tendency to be pushed away from the first engaging member
Solution Approach 1:
The patent inverts the conventional pushing mechanism into a pulling mechanism. The control lever is pulled toward the first shaft by the driving member, which in turn pulls the second shaft toward the first shaft through the control lever's connection, ensuring the second engaging portion is reliably drawn into engagement with the first engaging portion rather than being pushed away
2Device complexity
If the driving member is disposed in the main body, then the structure is compact, but the driving member is limited by the space of the main body and only a smaller motor can be used, resulting in insufficient output
Solution Approach 1:
The patent relocates the driving member from the main body to the first shaft, utilizing the axial space along the shaft rather than the limited radial space within the main body. This dimensional repositioning allows for a larger motor to be installed on the first shaft without increasing the overall footprint of the lock body, thereby providing sufficient power output while maintaining structural compactness
3Device complexity
If the driving member is disposed in the main body, then the structure is compact, but control module and read head will be blocked by the driving member, which is inconvenient for power connection and signal connection
Solution Approach 1:
The patent extracts the driving member from the main body and relocates it to the first shaft. This separation removes the blocking obstacle that prevented direct connection between the control module (in the first knob) and read head (in the second knob), allowing for convenient power and signal connections while maintaining the compact overall structure
Data Source
AI summary
An electronic cylinder lock has a main body. The main body is provided with a rotary cam. A first shaft is connected to the rotary cam. The first shaft has a first engaging portion. The main body is provided with a second shaft. The second shaft has a second engaging portion. A control lever is connected to the second shaft. A driving source is connected to the control lever. The driving source can drive the control lever to pull the second shaft to approach the first shaft, so that the second engaging portion is engaged with the first engaging portion, thereby improving the joint stability between the second engaging portion and the first engaging portion.