Terminal Support Bracket Pawl Engagement Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing terminal support device mounting structures risk breaking the arm due to increased resistance when rotating and sliding on the wall, and may fail to rotate 90 degrees, leading to the device dropping off.
Innovation Solution
A terminal support device mounting structure with a socket that includes a pawl and arm, which are positioned to engage with an engagement portion on the bracket, allowing for controlled rotation without excessive sliding and preventing the device from dropping off by restricting further rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the terminal support device is rotated while the projection slides on the wall surface, then the device can be mounted to the wall, but the resistance increases and may break the arm
Solution Approach 1:
The patent introduces a pawl as an intermediary component between the arm and the wall surface. The pawl engages with a groove on the wall, guiding the rotation path and preventing direct sliding contact between the arm and wall. This mediator reduces friction and resistance during the mounting rotation operation, protecting the arm from breakage while enabling successful mounting.
2Stability of the object's composition
If a stopper is arranged flush with the wall to restrict rotation, then rotation is limited, but the device may fail to rotate 90 degrees and drop off
Solution Approach 1:
The patent employs a dynamic pawl-groove engagement mechanism instead of a static stopper. The pawl can freely move along the groove during rotation, allowing the device to rotate the full 90 degrees needed for proper mounting. After rotation, the pawl engages with the groove to provide stable restriction against unintended movement. This dynamic approach ensures both complete rotation capability and reliable rotation restriction.
3Ease of operation
If the arm slides on the wall surface over a long distance during rotation, then the device can be mounted, but the increased sliding distance increases resistance and causes breakage
Solution Approach 1:
The pawl serves as a mediator that changes the interaction mechanism between the arm and wall. Instead of direct sliding contact over a long distance, the pawl engages with the groove to guide rotation, significantly reducing the sliding distance and friction. This intermediary mechanism protects the arm from wear and breakage while enabling the mounting operation to complete successfully.
Data Source
AI summary
A terminal support device mounting structure has a terminal support device and a bracket. The bracket has an opening, a mounting hole, a thick portion, and an engagement portion. The thick portion is located around the opening and the mounting hole. The engagement portion is provided to extend from the thick portion in an axial line direction X. The terminal support device has a socket. The socket has a mounted portion having an introduction portion and a sliding contact portion, a pair of flanges, a flexible portion having a pawl and an arm, and a rotation restriction portion. The pawl is engaged with the engagement portion during rotation. The arm supports the pawl such that the pawl can be engaged with the engagement portion. The rotation restriction portion restricts rotation of the socket after rotation causes the pawl to pass over the engagement portion.