Cantilever Casing Lock for Tool-Free Disassembly
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Solution Overview
Problem
Conventional portable electronic apparatus casings are difficult to disassemble quickly and conveniently, requiring tools and failing to balance engagement fixity and detachment ease.
Innovation Solution
A casing design featuring a cantilever engagement structure with a locking part and a detaching part that allows users to disengage the locking part from a lock slot without tools, enabling easy detachment of casing members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional engagement mechanisms (screws, hooks, complex engagement structures) are used to ensure firm engagement of the casing, then the fixity and stability of the casing engagement is improved, but the ease of disassembly deteriorates as tools are required and the disassembly process becomes time-consuming and inconvenient
Solution Approach 1:
The detaching part is designed to be directly manipulatable by the user without requiring any external tools. The user can directly move the detaching part to drive the locking part to depart from the lock slot, making the disassembly process self-service and convenient while maintaining firm engagement when assembled
Solution Approach 2:
The engagement structure is divided into distinct functional components: a locking part (hook) for engagement, a detaching part for user manipulation, and a lock slot for receiving the locking part. This segmentation allows the locking mechanism to provide firm engagement while the separate detaching part enables tool-free disassembly
2Ease of operation
If simple engagement structures are used to enable easy disassembly, then the ease of operation for detaching the casing is improved, but the engagement fixity deteriorates as the casing may not remain firmly engaged
Solution Approach 1:
The engagement structure transitions from a static fixed connection to a dynamic controllable connection. The cantilever structure allows the locking part to be in a locked state during normal use (providing fixity) and can be easily transitioned to an unlocked state when the user manipulates the detaching part (providing ease of disassembly)
Data Source
AI summary
A portable electronic apparatus includes a casing including a base and an upper cover, and an electronic processing module disposed in the base. The base includes a first engagement structure having a lock slot. The upper cover includes a plate member and a second engagement structure mounted on the plate member. The second engagement structure is presented as a cantilever structure and includes a locking part and a detaching part connected to the locking part. The base and the upper cover are engaged such that the locking part is locked in the lock slot. The detaching part can be moved so as to detach the locking part from the lock slot. Therefore, a user can detach the locking part from the lock slot by the detaching part without any tools, which greatly reduces the complexity of the detachment of a casing of a conventional portable electronic apparatus.