Removable Compartment Fastening System for Suitcase Weight Reduction
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Solution Overview
Problem
Conventional suitcases with compartments on the cover increase overall weight and hinder portability, as these compartments are often permanently attached, and not all users need them.
Innovation Solution
A suitcase design featuring a removable compartment that can be separated from the main body using a system of fastening units, including fastening bars, operating units, and fastening rings, allowing users to easily attach or detach the compartment based on personal requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the compartment is permanently attached to the suitcase cover via stitching, then the compartment provides convenient storage for small objects, but the overall weight of the suitcase increases and portability is affected
Solution Approach 1:
The compartment is divided into a separable module that can be detached from the main suitcase body. The compartment includes a base layer with fastening rings that can independently connect or disconnect from the suitcase cover, allowing users to segment the suitcase into different configurations based on their needs.
Solution Approach 2:
The fastening system employs dynamic connection and disconnection capabilities through fastening bars and fastening rings. The operating units allow users to dynamically adjust the compartment's attachment state, transitioning between a combined configuration (when storage is needed) and a separated configuration (when weight reduction is prioritized).
2Reliability
If the compartment is permanently attached to the suitcase cover, then the compartment structure is stable and secure, but not all users need this compartment functionality
Solution Approach 1:
The fastening system is segmented into multiple independent components: fastening rings on the compartment base layer, fastening bars on the suitcase cover, and operating units. This segmentation allows the compartment to be reliably attached when needed while enabling easy separation when not required, accommodating different user needs.
Solution Approach 2:
The operating units enable users to independently perform the attachment and detachment operations without requiring external assistance. The elastic units provide self-locking functionality that maintains reliable attachment automatically once connected, while allowing easy release when needed.
3Ease of operation
If a fastening system with multiple components is used to allow removable compartment, then the compartment can be easily attached or detached, but the device complexity increases
Solution Approach 1:
The elastic units are pre-installed on the operating units and automatically engage with the fastening bars when the compartment is attached. This self-locking mechanism eliminates the need for complex manual locking procedures, allowing users to easily secure the compartment by simply pulling the operating units through the fastening bars.
Solution Approach 2:
The fastening system uses universal components that can be manufactured with standard tolerances and assembled through simple procedures. The fastening rings and bars can be produced using common manufacturing processes, and the elastic units are standard components, reducing overall system complexity despite the multi-component design.
Data Source
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AI summary
A suitcase (1) includes a main body (10), a removable compartment (20), at least one first main fastening unit (30), at least one second main fastening unit (40) and a plurality of fastening rings (50). The main body (10) includes a containing groove (11). The removable compartment (20) is movably located in the containing groove (11), and the removable compartment (20) includes a base layer (22), a covering layer (23), at least one hole (24) and an inner opening unit (25). The covering layer (23) covers the base layer (22). The at least one hole (24) is located in the base layer (22). The inner opening unit (25) is movably connected to the covering layer (23), and the inner opening unit (25) is used for allowing the covering layer (23) to be opened or closed; when the covering layer (23) is opened, the base layer (22) will be exposed to the outside. The at least one first main fastening unit (30) is located in the containing groove (11).