HDD Case Protruding Sections Vibration and Friction
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Solution Overview
Problem
Existing electronic devices with recording medium units face challenges in maintaining vibration-resistant performance and easy slot-in/pull-out operations, as the current designs often result in excessive vibration transmission and high friction during insertion and removal of the recording medium units.
Innovation Solution
The design incorporates a recording medium case with protruding sections on its side sections that contact the accommodating section's side surfaces, absorbing vibrations and reducing friction, allowing for enhanced vibration-resistant performance and improved operability of slot-in/pull-out operations by minimizing contact area and utilizing an arch-shaped or trapezoidal protruding section for smooth sliding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the recording medium case makes contact with the accommodating section with the entire side section area, then the vibration-resistant performance is improved, but the friction during slot-in/pull-out operations increases
Solution Approach 1:
The side section of the recording medium case is segmented into multiple protruding sections that are spaced apart from each other. This segmentation allows the case to contact the accommodating section at multiple discrete points rather than along the entire side section, thereby reducing the total contact area and friction while maintaining vibration resistance through distributed contact points.
Solution Approach 2:
The protruding sections are designed with specific local characteristics including arch-shaped or trapezoidal cross-sections and varying heights. These local quality variations optimize the contact interface with the accommodating section to provide adequate vibration damping while minimizing friction during insertion and removal operations.
2Ease of operation
If protruding sections are formed on the side sections of the recording medium case, then the friction during slot-in/pull-out operations is reduced, but the structural complexity increases
Solution Approach 1:
The protruding sections are integrated directly into the side sections of the recording medium case as a unified structure. This merging of features into a single integrated component avoids the need for separate attachment parts, thereby reducing overall structural complexity while still achieving the friction reduction benefit.
Solution Approach 2:
The protruding sections are formed with arch-shaped or trapezoidal cross-sections that provide inherent flexibility and elastic deformation capability. This allows the case to adapt to the accommodating section geometry during slot-in/pull-out operations, reducing friction without requiring complex mechanical adjustment mechanisms.
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
This configuration effectively suppresses vibration transmission to the recording medium unit, enhancing its vibration-resistant performance while facilitating easy insertion and removal, thereby improving the overall operability and durability of the electronic device.
Implementation Method 1
a part of each side section (120) of the hard disk case (100) is protruded to the outside of the hard disk case (100)... when the electronic device undergoes a shaky movement, the structure absorbs the vibration
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
HDD case (100) accommodates HDD device (60) having a disk medium and forms HDD unit (50). HDD unit (50) is removably disposed in an accommodating section of an electronic device. HDD device (60) has a substantially rectangular shape. Besides, HDD case (100) has a pair of side sections (120) located parallel to slot-in/pull-out directions in which HDD unit (50) is slotted into the accommodating section and is pulled out from the accommodating section. Further, protruding section (121) is formed on side sections (120) such that a part of side sections (120) is protruded on the outer side of HDD case (100). In a state where HDD case (100) is accommodated in the accommodating section of the electronic device, protruding section (121) makes contact with the side surface of the accommodating section.