Chassis Attachment Mechanism for Tablet Docking Stability
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Solution Overview
Problem
Tablet PCs without physical keyboards face challenges in inputting long sentences and stability when attached to docking systems, due to wobbling and weight distribution issues, which affect portability and secure attachment.
Innovation Solution
An electronic device design featuring a first chassis with a display and a detachable second chassis, incorporating a support post with a claw portion and an engaging projection that elastically biases to secure the attachment, along with an engaging slider mechanism to stabilize the connection and facilitate easy detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the housing groove is made deeper to prevent wobbling, then the stability of the tablet PC attachment is improved, but the size of the dock seat increases
Solution Approach 1:
The attachment structure is divided into separate functional elements: a support post with claw portion for positioning and an engaging projection for securing. This segmentation allows each element to perform its specific function efficiently without requiring a deep housing groove, thus maintaining stability while keeping the dock seat compact.
Solution Approach 2:
The engaging projection is inserted into a post hole on the support post, creating a nested structure where one component fits within another. This nesting approach provides secure attachment without increasing the external dimensions of the dock seat, as the engagement mechanism is contained within the existing structure.
2Reliability
If the tablet PC is made heavier to improve display quality, then the display performance is improved, but the ease of attaching to the dock seat deteriorates
Solution Approach 1:
The engaging projection is designed with elastic biasing capability, allowing it to dynamically adapt to the weight of the tablet PC. The elastic deformation of the engaging projection enables it to maintain secure engagement with the claw portion regardless of the tablet's weight, making attachment equally easy for both lightweight and heavy devices.
3Weight of moving object
If the docking system is made more compact to improve portability, then the portability is improved, but the reliability of secure attachment deteriorates
Solution Approach 1:
The engaging projection utilizes elastic deformation characteristics, essentially employing a flexible structural element that can bend and return to its original shape. This flexible approach provides secure attachment through elastic recovery force while maintaining a compact structure, as no additional locking mechanisms or bulky components are required.
4Stability of the object's composition
If the claw portion is designed to engage tightly to prevent wobbling, then the attachment stability is improved, but the ease of detachment deteriorates
Solution Approach 1:
The engaging projection is elastically biased to automatically engage with the claw portion when inserted into the post hole. The elastic force provides self-securing functionality, ensuring tight engagement for stability without requiring additional locking actions. For detachment, the same elastic structure allows easy release when appropriate force is applied, as the elastic projection can deform to disengage from the claw portion.
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 solution provides a stable and secure attachment of the tablet PC to the dock seat, preventing wobbling and ensuring easy one-handed operation, while maintaining compactness and lightweight design for enhanced portability.
Implementation Method 1
an engaging slider having the engaging projection where the engaging projection is elastically biased in a direction of engaging with the claw portion
Implementation Method 2
a release lever that is rotatably supported by the first chassis and has one end pressed by the release button and the other end interlocked with the engaging slider
Data Source
AI summary
An electronic device having two chassis stably attached to each other is provided. The electronic device includes a first chassis having a display and a second chassis detachable from the first chassis. The second chassis includes a support post that protrudes from the attachment surface to which the first chassis is attached and has a claw portion on a tip side. The first chassis includes a post hole into which the support post is inserted and an engaging projection that engages with the claw portion of the support post inserted into the post hole and elastically biased so that the claw portion can be pressed towards the insertion direction to the post hole. The first chassis has an engaging slider having the engaging projection where the engaging projection is elastically biased in a direction of engaging with the claw portion.