Locking device for luggage storage rack
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Solution Overview
Problem
Conventional luggage storage devices face challenges in storing multiple bags efficiently due to the need for numerous components, leading to increased manufacturing costs and difficulty in preventing theft of bulky items.
Innovation Solution
A locking device for luggage storage racks featuring a catching part with a locking hole and cantilever structure support end, combined with a locking module and locking wire, which secures luggage by passing through a handle and locking onto a support end, and includes forced release prevention means to prevent unauthorized unlocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional locking devices with multiple components are used to secure luggage, then theft prevention capability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines the locking hole, support end, and locking mechanism into an integrated catching part structure. The catching part is formed as a single component with the locking hole positioned at specific locations, eliminating the need for separate locking pins, springs, and housing components found in conventional devices. This merging maintains theft prevention capability while significantly reducing device complexity and component count.
Solution Approach 2:
The catching part serves multiple functions simultaneously: it provides the locking hole for wire passage, acts as the support end for the locking wire, and functions as the locking mechanism itself through its structural design. This multi-functionality allows a single component to replace what would traditionally require multiple specialized components, reducing overall device complexity while maintaining security effectiveness.
2Reliability
If conventional locking devices with numerous components are deployed, then security against arbitrary unlocking is improved, but manufacturing cost increases
Solution Approach 1:
By merging the locking hole, support end, and locking mechanism into a single catching part component, the manufacturing process is simplified. Instead of producing and assembling multiple precision components (locking pins, springs, housings), the integrated structure can be manufactured as one piece, reducing material costs, assembly operations, and quality control complexity, thereby lowering overall manufacturing cost while maintaining security.
Solution Approach 2:
The catching part structure is designed to be self-locking through its geometric configuration. The locking hole and support end positions create a mechanical constraint that automatically prevents wire removal without the need for additional locking components or complex mechanisms. This self-service locking capability eliminates the need for expensive auxiliary security components while maintaining protection against arbitrary unlocking.
3Ease of manufacture
If simple locking structures are used, then manufacturing cost is reduced, but ability to prevent theft of bulky luggage is compromised
Solution Approach 1:
The locking system is segmented into two functional parts: the catching part (integrated into the rack structure) and the locking wire (passing through luggage handles). This segmentation allows the simple integrated catching part to provide secure anchor points while the flexible wire adapts to various bulky luggage shapes and sizes, maintaining effective theft prevention across different item types without requiring complex adjustable mechanisms.
Solution Approach 2:
The locking wire acts as an intermediary element that connects the simple integrated catching part to the luggage. The wire passes through the luggage handle and secures to the catching part, allowing the simple structure to effectively restrain bulky items. This intermediary approach enables a simple catching part design to achieve reliable theft prevention for various luggage types without increasing manufacturing cost.
Data Source
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AI summary
Proposed is a locking device for a luggage storage rack, which is provided on a luggage storage rack consisting of vertical frames and horizontal frames, the device including a catching part having a locking hole connected on a vertical part and a horizontal part of each of the horizontal frames, and a cantilever structure support end provided on the vertical part and the horizontal part due to the locking hole, a locking module provided with a password button, a lock/unlock knob, and a lock/unlock member on the back surface of the vertical part, and installed in the vertical part to selectively open and close the locking hole by rotating the lock/unlock member within a set angle, and a locking wire with a first end fixed to each of the horizontal frames or the vertical frames while a second end having a locking ring for penetration of the support end.