Cover Lock With Tool Slot For Damage-Free Unlocking
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Solution Overview
Problem
Existing cover lock designs for electrical housings are prone to damage when unlocked, lacking a secure and damage-free unlocking mechanism.
Innovation Solution
A cover lock design featuring a male member with horizontally spaced ramps forming a vertical slot for tool insertion, allowing for unlocking without damaging the lock components, which includes a female member with a passage and ribs for secure mating and unlocking without damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cover lock designs are used, then the locking function is achieved, but the cover lock components are easily damaged when unlocked
Solution Approach 1:
The cover lock is segmented into distinct functional components: a male member with ramps for locking engagement, a female member with a passage for tool insertion, and a slot for tool reception. This segmentation allows each component to perform its specific function while protecting against damage during unlocking operations.
Solution Approach 2:
A tool acts as an intermediary between the operator and the cover lock mechanism. The tool is inserted through the slot in the male member and engaged with the female member, allowing the operator to unlock the cover lock without applying direct force to the locking components themselves, thereby preventing damage.
2Reliability
If a tool is used to unlock the cover lock, then damage-free unlocking is achieved, but the cover lock structure becomes more complex
Solution Approach 1:
Instead of designing the unlock mechanism to act directly on the locking components, the design inverts the approach by providing a passage through the female member and a slot in the male member, allowing the tool to act on the system from the opposite direction. This inversion enables damage-free unlocking while maintaining relatively simple structural elements.
Solution Approach 2:
The cover lock structure incorporates localized features (ramps on the male member, passage and slot geometry) that provide the necessary functionality only where needed. The ramps are positioned to engage with specific portions of the female member, and the slot is located to receive the tool at the precise point required for damage-free unlocking, thereby adding minimal complexity while achieving the desired reliability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables secure locking and damage-free unlocking of electrical housing covers using a tool, ensuring the integrity of both the male and female members during the unlocking process.
Implementation Method 1
wedging a tool partly within both the male member and the female member to flex the male member and the female member away from each other
Data Source
AI summary
An electrical housing has a first member and a second member that can be locked and unlocked with a cover lock. The cover lock itself can include a male member disposed on one of the members, and a female member disposed on the other of the members for mating with the male member. A rib can also be provided on either the first or second member to help mate the male member with the female member.