Racking system and coupler
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Solution Overview
Problem
Existing E-track coupling systems face challenges in securely attaching and detaching utility modules due to tolerance issues and lack of efficient locking mechanisms, which can lead to instability and reduced versatility in mounting configurations.
Innovation Solution
A wall mounting system with a coupling member featuring an obstructing plunger and a tolerance cancelation mechanism, including a fastener member with an asymmetric sector-like shape, allows for secure articulation and detaching by sliding the plunger between locked and unlocked positions, and a cam-like mechanism that enhances contact force and reduces freedom degrees between the coupling member and the wall mount.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple locking mechanism is used in E-track coupling systems, then the device complexity is reduced, but the reliability of attachment and detachment is worsened due to tolerance issues and instability
Solution Approach 1:
The locking mechanism employs asymmetric locking lugs with different depths (first locking recess deeper than second locking recess) that engage with corresponding asymmetric features in the E-track channel. This asymmetry provides directional locking that tolerates manufacturing variations while maintaining secure attachment, resolving the contradiction between simple design and reliable connection.
Solution Approach 2:
The spring-loaded plunger is pre-loaded to automatically engage with the locking lugs as the coupling member approaches the E-track channel. This preliminary action ensures that locking engagement begins before full insertion is achieved, compensating for tolerance accumulations and ensuring reliable attachment without requiring complex adjustment mechanisms.
2Stability of the object's composition
If a secure locking mechanism with multiple locking lugs is implemented, then the stability of attachment is improved, but the device complexity increases
Solution Approach 1:
The locking mechanism is segmented into multiple independent locking lugs (first and second locking lugs at different depths) that engage separately with corresponding features in the E-track channel. This segmentation provides multi-level stabilization where each lug contributes to overall stability, while the modular nature of segmented components keeps individual parts simple and manufacturable.
Solution Approach 2:
The locking lugs are positioned at different depths along the coupling member's longitudinal axis, creating a gradient of engagement parameters. The first locking lug engages at a shallower depth while the second locking lug engages at a greater depth, providing progressive stabilization that enhances attachment stability without requiring a uniformly complex structure throughout the entire coupling member.
3Ease of operation
If manual manipulation is required for plunger operation, then the ease of operation is reduced, but the manufacturing precision requirements are relaxed
Solution Approach 1:
The spring-loaded plunger is designed to be self-actuating through the insertion and removal motions of the coupling member itself. As the coupling member is pushed into the E-track channel, the plunger is automatically compressed and then released to engage the locking lugs. During removal, the spring automatically retreats the plunger to unlock. This self-service mechanism eliminates the need for separate manual manipulation devices while maintaining tolerance compensation capabilities.
Solution Approach 2:
The plunger transitions from a static blocking element to a dynamic, spring-loaded actuator that automatically responds to insertion forces. The spring mechanism converts the kinetic energy of insertion into plunger compression and subsequent automatic locking engagement, reducing the need for precise pre-alignment while maintaining reliable locking through motion-driven engagement.
Data Source
AI summary
Provided is a wall mounting system including at least one wall mount articulable to a wall, and at least one coupling member; the mounting portion includes two parallelly disposed side walls with a locking portion at a distal end thereof, for snug insertion into the locking slot of the wall mount; and the coupling member is configured with an obstructing plunger slidingly displaceable within a space between side walls, between a locked position, at which the plunger at least partially projects into the first locking recess, and an unlocked position at which the plunger is retracted into the space and out of the first locking recess. Further provided is a tolerance cancelation mechanism for a wall coupling member articulable to a wall mount, including a pivotal fastener member configured with an asymmetric sector-like shape with a wall engaging arc surface for bearing against a wall surface.