Trolley Retainer Structure for Stable Cylindrical Goods Fixation
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Solution Overview
Problem
Conventional trolleys lack a fixing structure to securely hold cylindrical goods, causing them to vibrate or drop during movement, and are not adaptable to carry goods of different sizes effectively.
Innovation Solution
A goods fixing structure featuring two support columns with a connection mount and retainers, each with abutting and contacting faces, and engaging ribs, allowing for secure positioning and adjustable spacing to accommodate various sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional trolley structure without fixing structure is used, then the trolley structure is simple, but cylindrical goods cannot be fixed and will vibrate or drop during movement
Solution Approach 1:
The fixing structure is divided into separate functional components: support columns, connection mount, and retainers with contacting faces. Each component performs a specific function, allowing the system to be simple yet effective at securing goods without requiring a completely complex redesign of the entire trolley structure.
Solution Approach 2:
The retainers are designed with movable capability along the support columns, allowing the distance between retainers to be adjusted dynamically. This enables the structure to adapt to different goods sizes while maintaining a relatively simple overall design, resolving the contradiction between fixation reliability and structural complexity.
2Adaptability or versatility
If fixed retainer distance is used, then the structure is simple, but goods of different sizes cannot be accommodated effectively
Solution Approach 1:
The retainers can move along the support columns to adjust the distance between them, transforming the structure from static to dynamic. This allows the same fixing structure to accommodate various goods sizes by simply repositioning the retainers, providing adaptability without requiring multiple different structures.
Solution Approach 2:
The adjustable retainer mechanism serves multiple functions: it can secure small goods when retainers are close together, large goods when retainers are far apart, and goods of any size in between. This universal capability eliminates the need for different fixing structures for different cargo types.
Data Source
AI summary
A goods fixing structure for a trolley contains: two support columns, a connection mount, and at least two retainers. A control bar is disposed between two top ends of the two support columns, and the connection mount is mounted between two bottom ends of the two support columns and includes two locking recesses defined on one side thereof. Each retainer has an abutting face and two contacting faces. Each contacting face has an engaging rib arranged thereon to retain with each of the two locking recesses. Thereby, the at least two retainers are connected with the connection mount of the trolley, and each retainer has the abutting face. Thus, the at least two retainers position columnar or cylindrical goods stably when pushing the trolley, thus avoiding the goods dropping from the trolley.