Direct-Embedded Hinge Shaft Structure for Thin Stable Electronics
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Solution Overview
Problem
The existing hinge assembly designs in notebook computers, which include a bracket between the hinge and the body, increase the overall thickness and lead to assembly skew and increased shaking due to the transmission of force through the bracket, aggravating rigidity issues.
Innovation Solution
The hinge assembly directly embeds one end of the shafts into depressions on the body with a roughened structure, eliminating the need for a bracket, reducing thickness, and directly transmitting force from the body to the shaft, thereby minimizing shaking and assembly complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bracket is disposed between the hinge assembly and the body, then the hinge assembly can be connected to the body, but the overall thickness of the notebook computer increases
Solution Approach 1:
The patent removes the bracket component from the hinge assembly structure and directly connects the shaft to the body through embedding, thereby eliminating the thickness contribution of the bracket while maintaining the connection function
Solution Approach 2:
The patent merges the bracket's connection function into the shaft and body structure by embedding the shaft directly into the body, combining multiple components into a more integrated structure that reduces overall thickness
2Reliability
If a bracket is disposed between the hinge assembly and the body, then the hinge assembly can be connected to the body, but assembly skew accumulates due to the increase in the quantity of elements
Solution Approach 1:
The patent extracts the bracket component from the assembly, reducing the total number of elements and thereby minimizing the accumulation of assembly skew while maintaining the essential connection function through direct embedding of the shaft into the body
3Reliability
If a bracket is disposed between the hinge assembly and the body, then the hinge assembly can be connected to the body, but the length of the arm between the force point of the body and the shaft is increased, which aggravates the shaking of the body when force is applied
Solution Approach 1:
The patent removes the bracket that was extending the force transmission path, and instead embeds the shaft directly into the body, thereby shortening the arm length between the force point and the shaft, which reduces the shaking of the body when force is applied
Solution Approach 2:
Instead of transmitting force through a bracket (indirect connection), the patent inverts the approach by directly embedding the shaft into the body, creating a direct force transmission path that reduces the moment arm and minimizes shaking
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 reduces the overall thickness of the electronic device, decreases assembly skew, and enhances stability by eliminating the bracket's rigidity issues and direct force transmission, ensuring a secure and stable connection.
Implementation Method 1
the embedded portion has a roughened structure thereon... the embedded portion of each of the shafts contacts an inner wall of the depression through the roughened structure... increase the friction between the embedded portion and the inner wall of the depression
Data Source
AI summary
An electronic device includes at least one hinge assembly and two bodies. The hinge assembly includes a main body and two shafts. One end of each of the shafts is pivotally connected to the main body, another end of each of the shafts has an embedded portion, and the embedded portion has a roughened structure thereon. The two bodies correspond to the two shafts respectively, each of the bodies has at least one depression, and the embedded portion of each of the shafts is embedded in the depression of the corresponding body and contacts an inner wall of the depression through the roughened structure.