Packing Case Constraining Structure for Lock Device Protection
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Solution Overview
Problem
Conventional packing cases for lock devices often result in shaking during transportation, leading to scratches or damages due to gaps between the lock device and the case, which compromises the device's outer appearance.
Innovation Solution
A packing case design featuring a first and second casing with a constraining structure that abuts against the rose portion, ensuring it is fixed within a recessed portion, and a handle portion connected to the rose portion, preventing collisions with the case walls during movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the recessed portion size is made larger than the lock device to accommodate manufacturing tolerances and facilitate assembly, then the ease of manufacture and ease of operation are improved, but gaps are formed between the lock device and the packing case, leading to shaking and potential damage during transportation
Solution Approach 1:
The packing case is divided into multiple functional components: the first casing with recessed portion, the second casing, and the constraining structure. This segmentation allows each component to serve a specific function - the recessed portion facilitates assembly while the constraining structure prevents shaking, thus resolving the contradiction between ease of assembly and protection during transportation
Solution Approach 2:
The constraining structure acts as an intermediary element between the lock device and the packing case walls. It fills the gap created by the larger recessed portion and prevents direct contact between the lock device and the case walls, thereby eliminating shaking and damage while maintaining the ease of assembly benefit
2Ease of manufacture
If the recessed portion size is made larger than the lock device to prevent interference during assembly, then the ease of manufacture is improved, but shaking of the lock device occurs during transportation due to the formed gap, resulting in scratches or damages
Solution Approach 1:
The packing case is segmented into functional components where the first casing provides the recessed portion for easy manufacturing and assembly, while the second casing and constraining structure separately provide the necessary constraint to prevent shaking and collision damage during transportation
Solution Approach 2:
The constraining structure serves as an intermediary that eliminates the harmful shaking effect caused by the gap, allowing the recessed portion to remain larger for manufacturing ease while preventing the lock device from contacting the case walls
Data Source
AI summary
A packing case for packing a lock device is disclosed. The lock device includes a rose portion and a handle portion connected to the rose portion. The packing case includes a first casing, a second casing and at least one constraining structure. A first recessed portion is formed on the first casing for containing the rose portion. The second casing is combined with the first casing in a closable manner, and the handle portion is contained and constrained between the first casing and the second casing. The at least one protruding structure is disposed on the second casing for abutting against the rose portion when the second casing is combined with the first casing, so as to constrain the rose portion inside the first recessed portion.