Anti-Theft Hanger with Nested Shell Locking Mechanism
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Solution Overview
Problem
Conventional hanging methods using nails lack a locking function, making it easy for items to be stolen as they can be easily removed.
Innovation Solution
An anti-theft hanger design featuring an inner and outer shell with a drive module, locking plate, and elastic element, allowing secure attachment and easy removal with a driving auxiliary tool.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional nails are used for hanging items, then the hanging function is simple and easy to implement, but the items can be easily removed posing a theft risk
Solution Approach 1:
The hanger is divided into multiple functional components: an inner shell containing the locking mechanism, an outer shell providing protection, a drive module with screws for actuation, and a locking plate with blocking portions. This segmentation allows each component to perform its specific function while collectively providing anti-theft capability without excessive overall complexity.
Solution Approach 2:
The inner shell is nested within the outer shell, with the locking mechanism housed inside the inner shell. This nested structure protects the complex locking components while maintaining a compact overall form factor, resolving the contradiction between providing anti-theft functionality and keeping the device manageable in size.
2Reliability
If a locking mechanism is added to prevent theft, then anti-theft capability is improved, but the installation and removal process becomes more complex
Solution Approach 1:
The elastic element automatically engages the locking plate with the wall surface blocking portions upon insertion, providing self-locking functionality. The blocking portions on the hanging hook automatically engage with corresponding features during installation, enabling the system to lock itself without requiring complex manual operations.
Solution Approach 2:
The drive switch acts as an intermediary mechanism that translates simple rotational motion into the actuation of the locking and unlocking sequence. By rotating the drive switch, the user controls the entire locking/unlocking process through a single intuitive motion, maintaining ease of operation despite the complex internal mechanisms.
3Reliability
If multiple components are used to achieve theft-proof hanging, then security is improved, but the number of parts increases making the device more complex
Solution Approach 1:
Multiple functional elements are merged into integrated assemblies: the locking mechanism combines the locking plate, elastic element, and drive module into a single inner shell assembly. The blocking portions are integrated directly onto the hanging hook structure. This merging reduces the number of separate components while maintaining tamper-proof capability through the coordinated function of integrated elements.
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
Provides theft-proof and tamper-proof hanging solution while maintaining ease of installation and removal.
Implementation Method 1
an elastic element (50) connected to the inner shell (10) and the outer shell (40)
Data Source
AI summary
An anti-theft hanger is composed of an inner shell, which includes a fixed plate, a side wall is positioned on the fixed plate and surrounds it, a hanging hook on the fixed plate, and a latch on the side wall. Within the inner shell, there is a drive module, and the activation switch of the drive module is securely positioned on the side wall, and the activation switch is exposed on the side wall. A locking plate is affixed to the hanging hook and connected to the drive module, allowing it to receive rotational motion from the drive module. An outer shell is placed over the inner shell, and a side surface of the outer shell features limit slot that allow the latch to move. An elastic component connects the inner shell to the outer shell, restricting their relative movement distance.