Touchpad Module Segmented Base Plate Rigidity
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Solution Overview
Problem
Conventional touchpad modules face issues with insufficient rigidity due to the use of thinner materials and reduced thickness of components, affecting the pressing function, especially in the trend towards lighter and slimmer notebook computers.
Innovation Solution
The touchpad module is designed with a structure that includes a touch member, first and second base plates, first and second elastic elements, and specific stopping parts, which work together to enhance structural flatness and rigidity, ensuring uniform pressing force and stroke through the cooperation of elastic elements and stopping parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If thinner materials and reduced thickness components are used to achieve light weightiness and slimness, then the weight and thickness are reduced, but the overall rigidity of the touch member is insufficient
Solution Approach 1:
The base plate is divided into a first base plate and a second base plate positioned at different locations. This segmentation allows each base plate to provide localized support to the touch member, enhancing overall rigidity without increasing the thickness of individual components or the overall device structure.
Solution Approach 2:
The invention uses a composite structure combining the first base plate, second base plate, and elastic elements together to create a support system that provides enhanced rigidity. This composite approach allows thin materials to be used individually while their combined structure delivers the necessary structural strength.
2Length of stationary object
If the thickness of the printed circuit board is reduced to achieve slimness, then the device becomes thinner, but the pressing function of the touch member is adversely affected
Solution Approach 1:
By segmenting the support structure into multiple base plates positioned at different locations, the invention provides distributed support that compensates for the reduced thickness of the printed circuit board. This ensures the pressing function remains effective even with a thinner overall structure.
Solution Approach 2:
The elastic elements act as intermediaries between the base plates and the touch member, providing the necessary mechanical support and responsiveness. This intermediary structure enables the pressing function to work effectively despite the reduced thickness of the printed circuit board.
3Device complexity
If conventional iron elements or plastic structures are used to connect the supporting structure and upper component, then the structure is simple, but the structural flatness and rigidity are insufficient
Solution Approach 1:
The support structure is segmented into multiple base plates positioned at different locations, which provides enhanced structural flatness and rigidity. This segmentation approach maintains relative simplicity while significantly improving the stability of the touch member structure.
Solution Approach 2:
The invention combines the first base plate, second base plate, and elastic elements into an integrated support system. This merging of multiple simple components creates a composite structure that delivers enhanced rigidity and flatness without requiring complex individual elements.
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 design achieves improved structural flatness and rigidity, resulting in more uniform pressing force and stroke, effectively addressing the rigidity issues while meeting the requirements of slimness and usability in computing devices.
Implementation Method 1
the touch member 13 is swung upwardly relative to the triggering part 12 in response to the elastic force of the supporting structure 11
Data Source
AI summary
A touchpad module includes a touch member, a first base plate, a second base plate and two elastic elements. The first base plate includes a first stopping part and a second stopping part. The second base plate is arranged between the touch member and the first base plate. The second base plate include a third stopping part and a fourth stopping part. The third stopping part is engaged with the first stopping part. The fourth stopping part is engaged with the second stopping part. The two elastic elements are arranged between the first base plate and the second base plate. When an external force is exerted on the touch member, the touch member is swung toward the first base plate by using a junction between the second stopping part and the fourth stopping part as a fulcrum.