Adjustable Connecting Rod Structure with Locking Element
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Solution Overview
Problem
Existing connecting rod structures have fixed lengths, making adjustments time-consuming and prone to assembly errors, and telescopic mechanisms are imperfect, leading to skewing issues.
Innovation Solution
A connecting rod structure with adjustable length, comprising a first rod, a second rod, and a locking element, where the first rod and second rod can slide relative to each other and be locked using a locking element, ensuring reliable adjustment and preventing skewing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a telescopic rod group is used to adjust the length of the connecting rod structure, then the adaptability is improved, but the reliability deteriorates due to skewing issues and imperfect locking mechanism
Solution Approach 1:
The patent introduces a locking element as an intermediary component between the first rod and second rod. This locking element passes through aligned through holes in both rods to secure them together, preventing the skewing and slippage problems that occur with conventional telescopic mechanisms. The locking element acts as a mediator that ensures reliable connection while allowing length adjustment.
Solution Approach 2:
The connecting rod structure is divided into separate first rod and second rod portions that can slide relative to each other. This segmentation allows the rods to be adjusted to different lengths by sliding them to the desired position and then locked in place, providing adaptability while maintaining structural integrity through the locking mechanism.
2Adaptability or versatility
If the length of the connecting rod structure is changed by replacing rods, then the adaptability is improved, but the loss of time increases due to the time-consuming replacement process
Solution Approach 1:
The patent transforms the static, fixed-length rod structure into a dynamic, adjustable structure. The first rod and second rod can slide relative to each other along their lengths, allowing continuous adjustment to different positions. This dynamic capability enables quick length changes without the need to replace entire rod components, significantly reducing adjustment time while maintaining adaptability.
3Ease of operation
If a conventional telescopic mechanism is used, then the ease of operation is improved, but the manufacturing precision deteriorates due to skewing and assembly errors
Solution Approach 1:
The patent replaces the complex, imperfect telescopic mechanism with a simpler sliding and locking system. Instead of using conventional telescopic joints that are prone to skewing, the design uses direct sliding of rods along their axes with through holes for locking. This substitution eliminates the skewing issue and improves alignment precision while maintaining ease of operation.
Data Source
AI summary
A connecting rod structure includes a first rod, a second rod and a locking element. The first rod includes a first rod portion, a first and a second limiting portion. The first and the second limiting portion extend from a side of the first rod portion, and are spaced apart. The first limiting portion has a first through hole, and the second limiting portion has a second through hole. The second rod includes a second rod portion and a positioning portion. The positioning portion has a through groove, and is located between the first and the second limiting portion. An inner diameter of the through groove is greater than that of the first and the second through hole. The locking element passes through the first through hole, the through groove and the second through hole, to lock the first rod and the second rod together.