Sealing Ring Expansion Mechanism for Rectangular Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Manually expanding elastic sealing rings into rectangular shapes with a predetermined length-width ratio is time-consuming and inefficient, increasing assembly costs.
Innovation Solution
An elastic sealing ring expanding apparatus with a base, assembly platform, and driving device that moves rods from the center to the corners along straight paths to expand the sealing ring into a rectangular shape.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual expansion method is used, then device complexity is low, but productivity is low and time consumption is high
Solution Approach 1:
The expansion apparatus is divided into multiple independent rods (first rod, second rod, third rod, fourth rod) that can move along separate straight paths. Each rod is controlled independently by the driving device, allowing simultaneous expansion at multiple points along the sealing ring, thereby significantly improving expansion efficiency while maintaining manageable structural complexity through modular design
Solution Approach 2:
The elastic sealing ring itself serves as the expanding element through its inherent elasticity. When the rods push the sealing ring outward along straight paths, the material's elastic properties enable it to expand and maintain the rectangular shape without requiring additional complex forming tools or mechanisms, thus improving productivity without proportionally increasing device complexity
2Loss of time
If manual expansion method is used, then device complexity is low, but loss of time is high
Solution Approach 1:
The rods are pre-positioned along straight paths that define the exact rectangular expansion trajectory. The driving device is configured to move all rods simultaneously from the center toward the corners along predetermined paths, eliminating the sequential manual operations and significantly reducing expansion time while keeping the apparatus structure relatively simple through fixed guide paths
Solution Approach 2:
Multiple expansion actions are merged into a single coordinated operation. The driving device controls all four rods to move simultaneously along their respective straight paths, combining what would otherwise be multiple separate manual operations into one unified automated process, thereby reducing time loss without requiring excessively complex individual components
3Productivity
If automated expansion is implemented, then productivity is improved, but device complexity increases
Solution Approach 1:
The driving device serves multiple functions: it controls the movement of all four rods, maintains their synchronous operation, and ensures they follow straight paths toward the corners. This multi-functional design improves productivity by coordinating all expansion actions through a single device rather than requiring separate mechanisms for each rod, thereby limiting the increase in overall device complexity
Solution Approach 2:
The straight paths act as intermediaries between the driving device and the sealing ring expansion. These fixed guide paths translate the driving device's motion into precise linear movements of the rods, automatically ensuring the rectangular shape without requiring complex real-time control mechanisms, thus improving productivity while keeping the apparatus structure relatively simple
Data Source
AI summary
An elastic sealing ring expanding apparatus includes a base on which a plurality of posts are disposed, an assembly platform supported on the base by the posts, a plurality of rods movably mounted on the assembly platform, and a driving device mounted on the base. The driving device is configured to drive the rods to move from a center of a rectangle toward a plurality of corners of the rectangle along a plurality of straight paths, expanding an elastic sealing ring sleeved on the rods into a rectangular ring with a predetermined length-width ratio.