Slide rail assembly
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Solution Overview
Problem
In slide rail assemblies, the extended position of rails can be difficult for users to access, posing safety risks and convenience issues due to the predetermined specification height between adjacent assemblies, which can lead to users having to extend their hand deeply to operate the rail or risk being hit by an extended rail.
Innovation Solution
A slide rail assembly design that includes a first rail, a second rail, a first structure, and a second structure, where the second rail is movable relative to the first rail, and when extended, the first structure and second structure engage to prevent movement in specific directions, with a disengaging member allowing convenient disengagement at the extended position, utilizing guiding features and elastic forces to facilitate safe and easy operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the second rail is extended to an extended position away from the rack, then the rail can be fully extended for access, but it becomes difficult for users to reach and operate the engagement structures, and safety risks increase
Solution Approach 1:
A disengaging member is introduced as an intermediary component between the user and the engagement structures. This disengaging member translates user input from an accessible location into the necessary motion to disengage the first and second structures, allowing operation without direct access to the engagement point
Solution Approach 2:
The disengaging member utilizes a different spatial dimension or motion path to achieve disengagement. Instead of requiring direct access to the engagement point along the rail's extension axis, the disengaging member operates through a different dimensional approach (such as rotational motion or motion perpendicular to the rail axis) to accomplish the same function
2Length of moving object
If the second rail is extended outside the rack, then full extension is achieved, but safety risks increase due to potential injury to nearby persons
Solution Approach 1:
The engagement structures (first structure on the first rail and second structure on the second rail) are designed to automatically engage and lock the second rail at the extended position before full extension is complete. This preliminary engagement prevents the rail from extending further outside the rack, thereby preventing potential injury to nearby persons while still achieving functional extension
3Reliability
If the first structure and second structure are engaged at a position away from the front part of the first rail, then the rail can be securely locked at extended position, but user accessibility to operate the engagement deteriorates
Solution Approach 1:
The disengaging member serves as a mediator that allows users to operate the engagement/disengagement mechanism from an accessible location. It translates user input into the necessary motion to disengage the first and second structures, which are positioned at the extended position for secure locking
Solution Approach 2:
The operation mechanism is segmented into two functional parts: the engagement structures (first structure and second structure) positioned at the extended position for reliable locking, and the disengaging member positioned at an accessible location for user operation. This segmentation allows each component to optimize its position for its specific function
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 design enhances user safety and convenience by allowing the second rail to be easily retracted into the rack from the extended position without requiring deep hand extension, preventing potential injuries from external rails and improving accessibility.
Implementation Method 1
a return spring configured to provide an elastic force to the disengaging member, in order to hold the disengaging member at a predetermined position
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, a first structure, a second structure and a disengaging member. The disengaging member is arranged at a position on the second rail to be conveniently operated by a user. When the second rail is moved relative to the first rail to an extended position, the first structure and the second structure are configured to be engaged with each other, in order to hold the second rail at the extended position. Wherein, the disengaging member is configured to disengage the first structure from the second structure.