Slide Rail Assembly Cam-Based Locking for Rack Mounting Access
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Solution Overview
Problem
Existing slide rail assembly mounting systems are inconvenient due to the need to insert hands into tight spaces to tighten or loosen knobs, making operation difficult, especially when trying to detach the slide rail from rack posts.
Innovation Solution
A slide rail assembly with a first bracket and a locking device that includes a blocking feature and an elastic portion, allowing the bracket to be locked and unlocked, preventing displacement in specific directions, and featuring an auxiliary base with a channel for easy displacement, and an elastic member for secure mounting to rack posts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a knob is used to lock the mounting bracket to the outer rail, then the bracket can be securely fixed, but the operation becomes inconvenient as hands must be inserted into tight spaces to tighten or loosen the knob
Solution Approach 1:
A cam member is introduced as an intermediary between the operator and the locking mechanism. The cam member translates a simple rotational motion into the linear motion needed to engage or disengage the locking protrusion, allowing the operator to lock or unlock the bracket from outside the tight space without direct manual insertion into the confined area.
Solution Approach 2:
The locking mechanism transitions from a static knurled nut requiring continuous threading to a dynamic cam-based system where a single rotational motion of the cam member rapidly engages or disengages the locking protrusion. This dynamic approach reduces the operational steps and effort required.
2Stability of the object's composition
If the locking mechanism is positioned inside the rack system away from the post, then the structural integrity is maintained, but the operator cannot easily access it for tightening or loosening
Solution Approach 1:
The locking mechanism is extended along the longitudinal dimension of the outer rail, moving the cam member and its operating handle outward from the compact internal arrangement. This dimensional extension allows the operator to access and operate the locking mechanism from outside the rack system while the core locking structure remains integrated and structurally sound.
3Stability of the object's composition
If a side plate is provided between the posts of the rack system, then the structural stability is improved, but it blocks the operator's access to the locking mechanism
Solution Approach 1:
The locking mechanism is segmented into separate functional components: the locking protrusion remains integrated with the bracket for structural stability, while the cam member and operating handle are separated and positioned on the outer rail. This segmentation allows the side plate to remain in place for structural support while the operating components are accessible from outside the rack system.
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 convenient and secure locking mechanism that allows easy assembly and disassembly of the slide rail assembly without the need for inconvenient hand insertion, ensuring the bracket remains securely mounted to the rack posts.
Implementation Method 1
an elastic member configured for applying to the first bracket an elastic force that acts in the second direction
Implementation Method 2
the locking device blocks and is blocked by the first blocking feature to prevent the first bracket from being displaced from the predetermined position in a first direction
Data Source
AI summary
A slider rail assembly includes a rail member and a bracket. The bracket and the rail member can be displaced with respect to each other. One of the rail member and the bracket is provided with a blocking feature, and the other of the rail member and the bracket is provided with a locking device. When the bracket is at a predetermined position with respect to the rail member and the locking device is in a locking state, the locking device blocks and is blocked by the blocking feature to prevent the bracket from being displaced from the predetermined position in a certain direction.