Sliding positioning mechanism
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Solution Overview
Problem
Current sliding positioning mechanisms face issues with insufficiently smooth sliding between the sliding sleeve and the guiding rod, and the connection can become too tight, making it difficult to release, often requiring additional components that increase complexity in the assembly process.
Innovation Solution
A sliding positioning mechanism comprising a guiding rod, a sliding seat, and an inner liner with an elastic pin, where the inner liner is slidably sleeved on the guiding rod, and the sliding seat is connected to the inner liner, allowing for easy assembly without additional operating elements, with features like position-limiting protrusions and a trapezoidal cross-section guiding rod for secure and smooth movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional sliding positioning mechanisms are used, then the connection between sliding sleeve and guiding rod can be secure, but the sliding becomes insufficiently smooth and difficult to release
Solution Approach 1:
The sliding positioning mechanism is divided into separate functional components: the guiding rod with elastic pin for positioning, the inner liner for smooth sliding, and the sliding seat for connection. This segmentation allows each component to optimize its specific function - the elastic pin provides secure positioning while the inner liner ensures smooth movement, resolving the contradiction between connection security and sliding smoothness
Solution Approach 2:
The inner liner acts as an intermediary component between the guiding rod and the sliding seat. It is slidably disposed on the guiding rod and connects to the sliding seat, providing a smooth sliding surface that reduces friction and enables easy release while maintaining secure connection through the elastic pin and locking hole mechanism
2Ease of operation
If additional components are added to improve sliding smoothness and release ease, then the sliding performance improves, but the device complexity increases
Solution Approach 1:
The patent merges multiple functions into the inner liner component: it provides the smooth sliding surface, connects the guiding rod to the sliding seat, and works with the elastic pin for positioning. This consolidation achieves improved sliding performance and ease of release without adding excessive components, as the inner liner performs multiple critical functions simultaneously
Solution Approach 2:
The inner liner serves multiple purposes: it acts as a sliding element on the guiding rod, a connecting element to the sliding seat, and a guide for the elastic pin. This multi-functionality reduces the need for separate dedicated components for each function, thereby improving operational ease while controlling device complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a simpler structure, easier assembly, and improved stability with secure connections, enabling smooth sliding and precise alignment, reducing the complexity of the assembly process while maintaining secure support for foldable tables.
Implementation Method 1
An elastic pin protruding upward is disposed on the guiding rod, and a middle of the sliding seat comprises a locking hole in which the elastic pin is configured to be disposed
Data Source
AI summary
A sliding positioning mechanism includes a guiding rod, a sliding seat, and an inner liner. A middle of the sliding seat includes a locking hole in which an elastic pin is disposed. The inner liner is slidably sleeved on the guiding rod in a linear manner. The inner liner includes a connecting plate and two covering edges. The connecting plate includes an opening. A pressing piece is connected to a rear end of the connecting plate, and the sliding seat is sleeved on an outer side of the connecting plate and outer sides of the two covering edges. The elastic pin is configured to pass through the opening to be disposed in the locking hole, the pressing piece is located above the locking hole, and one or two sides of the sliding seat comprise one or more pivoting portions.