Slide Detent Wing Structure for Secure Drawer Retraction
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Solution Overview
Problem
Existing slide detent devices for furniture are complex and prone to disengagement due to foreign forces or uneven surfaces, failing to securely maintain slide members in place after retraction.
Innovation Solution
A slide detent device comprising a first and second slide member with aid-sliding members and a stop member having extension wings with contact surfaces, where the distance between the contact surfaces is slightly smaller than the sliding raceways, providing a frictional locating effect to secure the slide members in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing slide detent devices are used, then the slide members can be secured in place, but the device structure becomes complicated and prone to disengagement
Solution Approach 1:
The stop member is divided into a pair of extension wings that can independently engage with the sliding raceways. Each extension wing acts as a separate securing element, allowing the system to maintain reliability while reducing overall structural complexity through modular design.
Solution Approach 2:
The invention extracts the essential securing function from complex multi-component detent mechanisms and implements it through a simplified stop member with extension wings. By removing unnecessary components and retaining only the critical engagement elements, the device achieves both simplicity and reliability.
2Reliability
If the distance between contact surfaces is made smaller than the sliding raceways, then the frictional locating effect is improved, but the device may become stuck and difficult to release
Solution Approach 1:
The extension wings are designed to extend only partially into the sliding raceways, with the distance between contact surfaces being slightly smaller than the raceway distance. This partial engagement provides sufficient frictional locating effect to prevent disengagement while leaving enough clearance to allow easy release when force is applied.
Solution Approach 2:
The invention optimizes the dimensional parameter of the extension wings by setting the distance between contact surfaces to be slightly smaller than the sliding raceway distance. This precise parameter control creates the right balance between engagement strength for security and clearance for easy release.
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 device effectively prevents the slide members from loosening or disengaging, even under external forces or uneven conditions, while allowing easy release by pulling the slide members away from the stop member, thus maintaining stability and functionality.
Implementation Method 1
a distance defined between the pair of contact surfaces being slightly smaller than a distance defined between the pair of sliding raceways of the third slide member
Data Source
AI summary
A slide detent device includes a second slide member slidably connected to a first slide member, and a stop member secured to the first slide member. A third slide member slidably connected to the second slide member includes a pair of third margins walls defining a pair of sliding raceways. The stop member includes a pair of extension wings corresponding to the pair of sliding raceways of the third slide member. The pair of extension wings has a pair of contacting surfaces. A distance defined between the pair of contacting surfaces is slightly smaller than a distance defined between the pair of the sliding raceways of the third slide member so that the pair of sliding raceways urges the contacting surfaces to form a locating effect of frictional contact when the pair of sliding raceways of the third slide member are in touch with the contact surfaces.