Protective Shell Support Frame With One-Step Sliding Deployment
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Solution Overview
Problem
Conventional mobile phone shells with a bracket supporting function require multiple steps and manual intervention to form a support frame, affecting user experience.
Innovation Solution
The protective shell design includes a first support plate and a second support plate, where the rotating joint of the second support plate is positioned close to the first support plate and the shell body, allowing a one-step operation to form a support frame by rotating the first support plate, which drives the second support plate to extend or retract within a sliding chute.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the rotating joint of the second support plate is positioned away from the first support plate (long force arm design), then the structure is more stable, but the driving force obtained by the second support plate is relatively small, requiring additional manual intervention to move the second support plate to the stop block position
Solution Approach 1:
The patent introduces a sliding chute mechanism that allows the second support plate to dynamically transition between positions. The sliding chute guides the movement of the second support plate along a predetermined path, enabling it to move from the retracted position to the extended position against the stop block automatically when the first support plate rotates, eliminating the need for additional manual intervention while maintaining structural stability through the constrained sliding motion.
2Stability of the object's composition
If the rotating joint of the second support plate is positioned away from the first support plate (long force arm design), then the structure is more stable, but the driving force obtained by the second support plate is relatively small, requiring multiple steps and manual intervention to form a support frame
Solution Approach 1:
The patent merges the functions of the first and second support plates into a unified mechanism. When the first support plate rotates, it simultaneously drives the second support plate to extend along the sliding chute and abut against the stop block. This combined action allows both support plates to extend out of the groove and form a complete support frame in one continuous motion, reducing operational complexity while maintaining structural stability.
3Ease of operation
If the rotating joint of the second support plate is positioned close to the first support plate (short force arm design), then the driving force is relatively large enabling one-step operation, but the structure may be less stable
Solution Approach 1:
The patent introduces the sliding chute as an intermediary mechanism between the first and second support plates. The sliding chute constrains and guides the movement of the second support plate, ensuring it follows a precise path during extension. This intermediary structure allows the second support plate to be driven effectively by the first support plate's rotation while maintaining structural stability through the guided motion, preventing uncontrolled movement and ensuring reliable formation of the support frame.
Data Source
AI summary
A protective shell for an electronic product is provided, including a shell body, a first support plate, and a second support plate. A groove and a sliding chute are disposed on a rear side of the shell body. The sliding chute is disposed in the groove. A stop block is disposed on a groove bottom wall of the groove. One end of the first support plate is rotatably disposed in the groove. One end of the second support plate is rotatably and slidably disposed in the sliding chute, and the other end of the second support plate is rotatably connected to the first support plate and disposed near one end of the first support plate. According to the foregoing structure, in this application, a short force arm is designed, and a user can form a support frame by performing a one-step operation.