Sliding Cover Latch Tenon Structure for Anti-Accidental Opening
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Solution Overview
Problem
Current latch mechanisms for electronic devices with expansion and upgrading functions have complex assembly processes, require large accommodation spaces, and are prone to unintentional opening due to vibrations or collisions, leading to increased production costs and reduced functionality.
Innovation Solution
A simplified tenon structure with a trigger portion and fastening rail portion is integrated into the latch mechanism, allowing the sliding cover plate to be securely locked and preventing unintentional opening, while reducing component complexity and accommodation space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a common latch mechanism is used, then the entry can be opened and closed, but the number of components is large leading to complicated assembly and larger accommodation space
Solution Approach 1:
The patent combines multiple latch mechanism components into a single integrated tenon structure. The tenon structure includes a body, trigger portion, and fastening rail portion all formed as one piece, eliminating the need for separate components and reducing assembly complexity while maintaining the entry closing function.
Solution Approach 2:
The tenon structure serves multiple functions simultaneously: it acts as the locking mechanism body, provides the trigger portion for actuation, and includes the fastening rail portion for engagement. This multi-functionality reduces the overall component count while maintaining reliable entry closing capability.
2Reliability
If a common latch mechanism is used, then the entry can be opened and closed, but the accommodation space is larger and production costs are increased
Solution Approach 1:
By merging the body, trigger portion, and fastening rail portion into a single tenon structure, the overall volume required for the latch mechanism is reduced. This integration eliminates gaps and spacing requirements between separate components, thereby reducing the accommodation space needed in the electronic device casing.
3Ease of operation
If a common latch mechanism is used, then the entry can be opened and closed, but there is no structure for preventing the cover plate from being opened due to unintentional trigger, vibration or collision
Solution Approach 1:
The tenon structure is designed with a preliminary anti-action mechanism where the fastening rail portion engages with the hollow opening before the trigger portion can be actuated. This preliminary engagement creates a mechanical interlock that prevents unintentional opening due to vibration or collision, while still allowing intentional opening when the trigger is properly actuated.
4Reliability
If multiple molds are developed for complex latch mechanism, then the entry closing function is achieved, but production costs are increased
Solution Approach 1:
By combining all latch mechanism components into a single tenon structure that can be manufactured as one piece, the number of molds required is reduced from multiple to potentially one. This single-piece construction simplifies the manufacturing process and reduces production costs while maintaining the reliable entry closing function.
Data Source
AI summary
The present invention relates to a latch mechanism and a tenon structure thereof. The tenon structure includes a trigger portion and a fastening rail portion adapted to be respectively installed at a hollow opening and a side edge of a sliding cover plate to accordingly achieve a single-piece tenon structure. The tenon structure is connected to the sliding cover plate, moves in a second direction along with the sliding cover plate, and is capable of displacing in a first direction relative to the sliding cover plate. The tenon structure includes a front latch portion and a trigger portion exposed at the sliding cover plate, so as to achieve effects of a simple assembly structure and reduced production costs.