Iron Storage Case Locking Structure Against Shock Misunlocking
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Solution Overview
Problem
Existing iron cases face difficulties in achieving easy unlocking operability while preventing malfunctions in the locking mechanism due to external shocks during carrying, as the operating button is exposed and prone to positional deviation.
Innovation Solution
The iron case design incorporates a locking mechanism with a locking portion on the table, a locking body, an operating button, and a locking spring that biases the button towards the table, along with features like a U-shaped locking spring and a hooking portion to absorb and distribute external shocks, ensuring the operating button remains in its predetermined position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the operating button is exposed on the outer side of the receiving case for easy operation, then the ease of operation is improved, but the reliability deteriorates due to positional deviation from external shocks
Solution Approach 1:
The operating button is nested within a recessed portion of the receiving case rather than being exposed on the outer surface. This nesting structure protects the button from external shocks while maintaining accessibility for operation, resolving the contradiction between ease of operation and reliability.
Solution Approach 2:
The locking spring is positioned and configured to provide preemptive cushioning support to the operating button. When external shocks occur, the locking spring absorbs the impact forces before they can cause significant positional deviation of the button, thereby maintaining reliability while the button remains operable.
2Reliability
If the locking spring biases the operating button strongly towards the table for secure locking, then the reliability is improved, but the ease of operation worsens due to increased force required to unlock
Solution Approach 1:
The locking spring is designed with dynamic characteristics that allow it to provide strong biasing force for secure locking during normal conditions, while accommodating temporary displacement during unlocking operations. The spring's elastic properties enable it to maintain reliability through controlled deformation rather than rigid resistance, making unlocking easier.
Solution Approach 2:
The locking spring's force characteristics are optimized by adjusting its physical parameters (such as wire diameter, coil density, or free length) to achieve a balance where the biasing force is sufficient for reliable locking but not excessively high to prevent unlocking. This parameter optimization resolves the contradiction between strong locking and easy unlocking.
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
This configuration allows for easy unlocking of the receiving case while preventing malfunctions caused by external shocks, maintaining the locking mechanism's integrity and preventing damage to the operating button and locking components.
Implementation Method 1
a locking spring (9) that biases the operating button (8) toward the table (1)
Implementation Method 2
features like a U-shaped locking spring and a hooking portion to absorb and distribute external shocks, ensuring the operating button remains in its predetermined position
Data Source
AI summary
An iron case includes: a table where an iron is placed; a receiving case that surrounds the iron and has a lower opening that is closed by the table; and a locking mechanism that detachably combines the table with the receiving case, in which the locking mechanism includes: a locking portion formed on the sides of the table; a locking body formed at the receiving case and engaged with the locking portion; an operating button disposed to be movable outwardly on the outer surface of the receiving case and operating the locking body; and a locking spring disposed in the receiving case and biasing the operating button to the table. Therefore, malfunction of the locking mechanism is prevented while usability when the receiving case is separated is improved.