Front-Opening Trolley Case Cover With Replaceable Middle Plate
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Solution Overview
Problem
Existing trolley cases with fixed assembly and difficult replacement of covers fail to meet consumer demands for diverse styles and increase production costs.
Innovation Solution
A front-opening trolley case with an easy-to-assemble front cover structure, comprising a detachable middle plate and outer frame connected via a zipper, allowing for easy replacement and simplifying production by using unified molds for the main body and new molds only for the middle plate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a fixed assembly structure is used for the front cover, then the structural stability is improved, but the adaptability and ease of replacement deteriorate
Solution Approach 1:
The front cover structure is divided into separate components: the outer frame and the middle plate are detachably connected rather than fixed together. This segmentation allows the middle plate to be easily removed and replaced while the outer frame remains part of the main body, thus achieving both structural stability and ease of replacement.
2Adaptability or versatility
If new molds are made for each product variation, then the product adaptability is improved, but the manufacturing cost increases
Solution Approach 1:
The front cover is segmented into the outer frame and middle plate, where only the middle plate requires new molds for different product variations. The outer frame uses a unified mold across all variations, significantly reducing the number of molds needed and thus lowering manufacturing costs while still allowing product diversity.
Solution Approach 2:
The outer frame is designed as a universal component that can accommodate different middle plates for various product styles. This multi-functionality allows a single outer frame mold to support multiple product variations by simply changing the middle plate, reducing overall mold requirements.
3Ease of operation
If a detachable structure is used for the front cover, then the ease of assembly and replacement is improved, but the device complexity increases
Solution Approach 1:
The detachable connection between the outer frame and middle plate creates a simple two-part assembly system. This segmentation enables easy assembly and replacement operations while maintaining relatively simple overall structure, as the connection interface is straightforward and does not require complex mechanisms.
Data Source
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AI summary
The disclosure relates to the technical field of bags, in particular to a front-opening trolley case with an easy-to-assemble front cover. An existing trolley case is assembled fixedly and cannot be replaced easily. The front-opening trolley case with an easy-to-assemble front cover comprises a main body, one side of the main body is provided with a front cover structure, the front cover structure comprises a middle plate and an outer frame, and the middle plate is detachably connected with the outer frame. The manufacturing of new products only needs to re-design and make a mold for the middle plate which is then assembled with the outer frame, which controls the cost to a certain extent, simplifies production and assembly technologies and provides a more beautiful appearance, thus having a good development prospect.