Sliding Device Shutter Engagement Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing sliding device for vehicle seats faces challenges in reliably sliding the outer cover body in conjunction with the upper rail, as it tends to slide independently of the inner cover body, leading to inconsistent movement.
Innovation Solution
A sliding device configuration that includes a fixed rail, a movable rail, a shutter, an engaging body, a resilient element, and a pressing portion, where the engaging body is displaced between engaged and disengaged positions to ensure the shutter slides reliably with the movable rail, utilizing a coil spring to maintain the engaging body in the engaged position and allowing disengagement when the movable rail exits the fixed rail.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the outer cover body slides in conjunction with the inner cover body, then the structure is simplified, but the reliability of sliding the outer cover body with the upper rail deteriorates
Solution Approach 1:
The shutter system is segmented into inner cover body and outer cover body as independent components. The inner cover body is coupled to the upper rail through a protrusion-elongated hole mechanism, while the outer cover body is coupled to the inner cover body through a separate coupling mechanism. This segmentation allows each component to perform its sliding function independently, ensuring that the outer cover body can reliably slide with the upper rail even if the inner cover body experiences issues.
Solution Approach 2:
The inner cover body acts as an intermediary between the upper rail and the outer cover body. It receives the sliding force from the upper rail and transmits it to the outer cover body through the coupling mechanism. This intermediary role ensures that the outer cover body is reliably driven by the upper rail's motion while maintaining structural organization.
2Stability of the object's composition
If the engaging body is provided to the shutter and the engaged portion to the fixed rail, then the shutter position is maintained when engaged, but the device configuration becomes more complicated
Solution Approach 1:
The engagement mechanism is extracted as a separate functional component from the main shutter structure. The engaging body is provided to the shutter while the engaged portion is provided to the fixed rail, separating the engagement function from the shutter body. This extraction maintains position stability while allowing the engagement mechanism to be optimized independently, reducing overall configuration complexity.
Solution Approach 2:
The resilient element automatically engages and disengages the engaging body with the engaged portion based on the relative motion between the shutter and fixed rail. When the shutter moves to the engaged position, the resilient element automatically locks the engaging body with the engaged portion without requiring additional control mechanisms. This self-service approach maintains stability while minimizing configuration 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
This configuration ensures the shutter slides stably and reliably with the movable rail, maintaining the shutter's position when engaged and allowing smooth movement when the movable rail exits, preventing complex configurations and ensuring consistent operation.
Implementation Method 1
a resilient element configured to produce a resilient force maintaining the engaging body in the engaged position
Data Source
AI summary
A sliding device includes a fixed rail, a movable rail, a shutter to close an opening of the fixed rail, an engaging body including a pressed portion, an engaged portion, a resilient element, and a pressing portion provided to the movable rail or the shutter. The shutter is slidable relative to the fixed rail by receiving a force from the movable rail. The engaging body is provided to one of the shutter and the fixed rail, and the engaged portion is provided to the other. The engaging body is displaceable between an engaged position where it is engageable with the engaged portion and a disengaged position displaced from the engaged position. The resilient element produces a resilient force maintaining the engaging body in the engaged position. The pressing portion contacts with the pressed portion when the movable rail slides, thus displacing the engaging body to the disengaged position.