Secure Lid Locking Mechanism for Accidental Removal Prevention
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Solution Overview
Problem
Existing lids are prone to accidental or intentional removal, exposing the contents to elements and compromising their integrity.
Innovation Solution
A secure lid system with a locking mechanism using a bolt and spring mechanism, combined with a lip and shelf structure, ensures the lid remains securely closed, requiring a specific upward and outward force for opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simple lid design is used, then ease of operation is improved, but reliability deteriorates as the lid can be easily removed
Solution Approach 1:
The lid is divided into multiple functional components: a lid body, a bolt member with head and shaft portions, a spring member, a lip, and a shelf. This segmentation allows each component to perform its specific function while collectively providing secure locking while maintaining ease of operation through defined interaction points.
Solution Approach 2:
The spring member introduces dynamic behavior to the system, providing elastic force that maintains continuous pressure on the bolt member. This dynamic element ensures the lid remains securely locked under varying conditions while allowing controlled opening when sufficient force is applied, resolving the contradiction between security and ease of operation.
2Reliability
If a locking mechanism is added to secure the lid, then reliability is improved, but device complexity increases
Solution Approach 1:
Multiple functions are merged into integrated components: the bolt member combines the locking function with the force application function; the spring member integrates the maintaining force function with the release function. This merging reduces the number of separate parts while achieving reliable securing, thus limiting the increase in device complexity.
Solution Approach 2:
The spring member automatically maintains pressure on the bolt member without external intervention, and the bolt member automatically engages with the lip and shelf when the lid is closed. This self-service behavior reduces the need for additional control mechanisms, keeping the system relatively simple while ensuring reliable locking.
3Reliability
If the lid is made more secure against removal, then reliability is improved, but ease of operation deteriorates as more force is required to open
Solution Approach 1:
The spring member provides dynamic elastic force that maintains continuous pressure on the bolt member, creating a self-adjusting locking system. This dynamic mechanism ensures secure locking under varying conditions while allowing controlled opening when sufficient force is applied, resolving the contradiction between security and ease of operation.
Solution Approach 2:
The spring member is pre-loaded to maintain continuous pressure on the bolt member before the lid is opened. This preliminary action ensures the locking mechanism is already engaged and ready to prevent accidental opening, while the defined interaction points between components guide the user through the opening process, maintaining ease of operation.
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
The system effectively prevents accidental or intentional lid removal, maintaining content protection from environmental exposure and spoilage.
Implementation Method 1
a spring member (106) coupled to the bolt member (105) and configured to apply pressure to the bolt member (105)
Data Source
AI summary
A system for a lid is disclosed. The system includes a container with an upstream top and an opposing downstream top. The lid couples with the container. The lid has an upstream side and an opposing downstream side. The downstream side has an inwardly extending lip, and the upstream side has an inwardly extending lip. The downstream top has a moveable bolt which engages with said inwardly extending lip on the downstream side. The downstream side has a shelf which engages with the inwardly extending lip on said upstream side.