Slide Rail Lock Lever Structure to Prevent Accidental Removal
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Solution Overview
Problem
Existing slide rail locking mechanisms are prone to damage when the lock lever is operated, and they do not effectively prevent accidental removal of apparatuses from racks due to vibrations or inclination.
Innovation Solution
A slide rail design featuring a lock lever with a tongue portion that rotates about a shaft and is received by a holding portion on the inner rail, reducing the degree of opening and preventing physical interference, thereby minimizing damage and accidental removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the lock lever is designed to rotate freely about the shaft, then the ease of operation is improved, but the reliability deteriorates due to damage from excessive opening
Solution Approach 1:
The patent changes the parameter of lock lever rotation by introducing a receiving portion that physically limits the opening angle. The lock lever can still rotate freely within the allowed range for ease of operation, but the receiving portion prevents excessive opening that would cause damage, thus maintaining reliability.
2Ease of operation
If the lock lever is allowed to open widely, then the ease of operation is improved, but the device complexity increases due to additional protective structures
Solution Approach 1:
The receiving portion is integrated directly into the inner rail structure, merging the protective function with the existing rail component. This eliminates the need for separate protective structures, reducing device complexity while still limiting the lock lever's opening to prevent damage.
3Device complexity
If the lock lever structure is simplified, then the device complexity is reduced, but the reliability deteriorates due to increased vibrations and accidental removal
Solution Approach 1:
By changing the structural parameter of adding the receiving portion, the patent limits the lock lever's rotation range. This simple structural modification reduces vibrations and prevents accidental removal caused by inclination, thereby improving reliability without significantly increasing device 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
The design reduces the thickness of the slide rail, enhances the locking mechanism's reliability, and prevents accidental removal of apparatuses by limiting the rotation of the lock lever and reducing vibrations, thus enhancing operational safety and efficiency.
Implementation Method 1
a receiving portion provided on the second rail member and configured to hold the tongue portion of the lock lever from the direction of the first rail member
Data Source
AI summary
There is provided a slide rail which includes a first rail member, a second rail member provided slidably with respect to the first rail member, the second rail member including a hole portion opening at least on a surface of the second rail member on the side of the first rail member, a lock lever and a rotating shaft provided on the surface of second rail member on the side of the first rail member, the lock lever being provided to be able to rotate about the rotating shaft, the lock lever including a tongue portion, the tongue portion being formed so as to be inserted in the hole portion, and a receiving portion provided on the second rail member and configured to hold the tongue portion of the lock lever from the direction of the first rail member.