Security display unit
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Solution Overview
Problem
Conventional display units are complex and time-consuming to assemble, and they lack a replaceable restriction mechanism to prevent hand tools from being separated or stolen.
Innovation Solution
A display unit design featuring a plate and ring with a pivotable security member and a removable L-shaped restriction member that can be easily assembled from outside, with an engaging portion inserted between the hand tool and its reception hole to prevent separation, allowing for easy assembly and replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the projection is integral with the fitting cap, then the hand tool is restricted from being separated, but the manufacturing becomes difficult and the projection cannot be changed
Solution Approach 1:
The projection is divided into a separate component (the spherical element) that can be independently manufactured and then assembled into the fitting cap. This segmentation allows the projection to be changed or replaced without remanufacturing the entire cap, while still providing the hand tool restriction function when assembled.
Solution Approach 2:
The projection function is extracted from the integral structure and implemented as a separate spherical element that can be inserted into a receiving cavity. This extraction enables easier manufacturing and replacement of the restriction mechanism while maintaining its security function.
2Reliability
If the conventional display unit is assembled with multiple components, then the security function is achieved, but the assembly process becomes complicated and time-consuming
Solution Approach 1:
The security mechanism is segmented into distinct functional components (spherical element, receiving cavity, spring, locking groove) that can be manufactured separately and then quickly assembled. This segmentation allows for modular assembly that reduces overall assembly time while maintaining security functionality.
Solution Approach 2:
The spring-loaded spherical element automatically engages with the locking groove when the hand tool is inserted, providing self-securing functionality. This self-service mechanism reduces the complexity and time of manual assembly operations while ensuring reliable security function.
Data Source
AI summary
A display unit includes a plate and a ring. The ring has a through hole with which a first end of a security member is engaged. The second end of the security member extends beyond the through hole. The security member is pivotable relative to the through hole. An insertion hole is defined in the second end of the security member so as to receive a hand tool therein. The security member includes an opening communicating with the insertion hole. An L-shaped restriction member is connected to a slit defined in the first end and the outside surface of the security member. The restriction member has an engaging portion which extends through the opening and inserted into a gap between a bead and a reception hole for receiving the bead of the hand tool to prevent the hand tool from being separating from the ring.