Slide rail assembly and rail kit thereof
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Solution Overview
Problem
Existing slide rail assemblies lack a flexible two-stage locking mechanism that can be easily unlocked with a single operation, limiting their adaptability to varying market demands.
Innovation Solution
A slide rail assembly featuring a first and second locking mechanism with elastic elements and an operating member, allowing the second rail to be locked in two stages and completely unlocked, enabling longitudinal displacement and retraction with adjustable locking spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a blocking structure is provided to prevent further displacement of the second rail, then the second rail can be kept at a predetermined position, but the mechanism cannot be easily unlocked for further displacement
Solution Approach 1:
The locking elements are designed to be dynamically switchable between locked and unlocked states. The operating member enables users to actively change the state of the locking elements, transforming the static blocking structure into a dynamic system that can adapt between providing stable positioning and allowing movement when needed.
Solution Approach 2:
The operating member serves as an intermediary mechanism that mediates between the user's action and the locking elements. By operating this intermediate component, the user can indirectly control the state of multiple locking elements simultaneously, enabling easy unlocking without directly manipulating each locking element individually.
2Adaptability or versatility
If a two-stage locking mechanism is implemented, then the slide rail assembly can provide multiple predetermined positions, but the structure becomes more complex
Solution Approach 1:
The operating member is designed to perform multiple functions: it can unlock both the first locking element and the second locking element through a single operational action. This multi-functional design allows the system to achieve two-stage locking capability without proportionally increasing the complexity of the control mechanism.
Solution Approach 2:
The patent combines multiple locking elements and their control functions into a unified system. The first locking element and second locking element are integrated with the operating member such that one operational action can affect both locking mechanisms, merging what would otherwise be separate control operations into a single coordinated system.
3Reliability
If elastic elements are used in the locking mechanism, then the locking action can be automatically maintained, but the manufacturing precision requirements increase
Solution Approach 1:
The elastic elements are designed to operate within specific force and displacement parameters that ensure reliable locking while accommodating normal manufacturing variations. By carefully selecting the elastic elements' physical parameters (such as spring constant and pre-load force), the system maintains reliable locking action without requiring extremely tight manufacturing tolerances.
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
Enables secure two-stage locking and effortless complete unlocking, enhancing the slide rail assembly's adaptability and usability by allowing precise control over the second rail's position relative to the first rail.
Implementation Method 1
The first elastic element is configured to apply an elastic force to the first element
Implementation Method 2
The second element is configured to be at either of a first position and a second position with respect to the second rail and stays at the first position in response to the elastic force of the second elastic element
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, a first locking mechanism, and a second locking mechanism. The second rail can be displaced with respect to the first rail. The first locking mechanism and the second locking mechanism are disposed at two different portions of the second rail respectively and can be locked to the first rail separately in order to keep the second rail at either of two predetermined extended positions. The first locking mechanism and the second locking mechanism can then be operated and thereby unlocked from the first rail so that the second rail can be retracted with respect to the first rail.