Rotating Hook Fastening Structure for Thin Electronic Device Housings
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The reduction in thickness and weight of electronic device housings to enhance portability leads to decreased rigidity, causing issues such as the housing popping out or being easily pressed, which compromises the device's structural integrity.
Innovation Solution
Incorporating a fastening structure within the housing that includes a fixing member, a rotation hook, and an elastic member, where the elastic member generates torque to rotate the rotation hook relative to the fixing member, enhancing the fastening force between the housing components and reducing the likelihood of the housing popping out.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the thickness of the housing is decreased to improve portability, then the weight and thickness are reduced, but the rigidness of the housing decreases causing it to be easily transformed or pop out
Solution Approach 1:
The housing is divided into multiple components (front cover, rear cover, intermediate housing) that are connected through fastening structures. This segmentation allows each component to be optimized independently while maintaining overall structural integrity through the fastening mechanisms.
Solution Approach 2:
The fastening structure incorporates a rotation hook that can dynamically adjust its position and a fastening force generation unit that provides active mechanical engagement. This dynamic mechanism compensates for the reduced rigidness of thin housing materials by creating movable fastening points that adapt to structural stresses.
2Weight of moving object
If lightweight materials are used to decrease housing weight, then portability is improved, but the housing becomes more susceptible to popping out or being pressed
Solution Approach 1:
The fastening structure is pre-assembled and positioned within the housing components before final assembly. The rotation hook and fastening force generation unit are prepared in advance to engage with predetermined fastening holes, ensuring that the lightweight housing components are securely connected from the outset rather than relying on the material strength alone.
Solution Approach 2:
The fastening structure acts as an intermediary element between housing components, providing a mechanical bridge that compensates for the inherent weakness of lightweight materials. The rotation hook and elastic member create a mediating fastening mechanism that transfers and distributes forces across the housing joints.
3Strength
If a fastening structure is added to increase housing rigidness, then structural integrity is improved, but the device complexity increases
Solution Approach 1:
Multiple functions are merged into the fastening structure: the rotation hook provides both structural connection and dynamic adjustment, while the fastening force generation unit combines elastic member and stopper mechanisms in a single integrated assembly. This merging reduces the number of separate components needed to achieve the desired rigidness.
Solution Approach 2:
The fastening structure is designed to be self-assembling and self-adjusting. The rotation hook automatically engages with the fastening holes, and the elastic member with stopper provides automatic fastening force without requiring additional actuators or complex control mechanisms. The structure serves itself by using the assembly process to create the fastening connection.
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 solution effectively reduces the likelihood of the housing popping out or being pressed, maintaining structural integrity while allowing for thin and lightweight designs without compromising aesthetics or material versatility.
Implementation Method 1
an elastic member having a first end connected to the fixing member and a second end connected to the rotation hook, and wherein the elastic member generates a torque that rotates the rotation hook relative to the fixing member
Data Source
AI summary
An electronic device is provided. The electronic device includes a first housing, a second housing rotatably connected to the first housing, a printed circuit board (PCB) arranged inside the first housing, a first fastening structure arranged in the PCB, and a second fastening structure arranged inside the rear cover to be fastened to the first fastening structure, wherein the first fastening structure includes a fixing member fixedly connected to the PCB, a rotation hook rotatably connected to the fixing member and configured to fasten to the second fastening structure, and an elastic member having a first end connected to the fixing member and a second end connected to the rotation hook, wherein the elastic member generates a torque that rotates the rotation hook relative to the fixing member in first direction or a second direction based on a fastening state of the second fastening structure to the rotation hook.