Rail Mount Housing Release Mechanism Design
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing housing designs for electrical or electronic devices mounted on standard rails face challenges such as difficulty in detachment from the rail in all installation situations, increased depth due to elastic extensions, and space requirements for releasing mechanisms, which are not suitable for heavier devices or tight spaces.
Innovation Solution
A housing design featuring a finger tab with an opening for manual release and a connecting element with a recess for tool-assisted release, utilizing a compact spring structure with flat springs for secure and scalable locking, allowing easy detachment without tools and minimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a ratchet slide is inserted into a guide on the rear of the housing, then the latching mechanism can be released, but the device complexity increases and more space is required
Solution Approach 1:
The patent extracts the release function from a complex ratchet slide mechanism and implements it through a simple finger tab that directly actuates the movable claw. This eliminates the need for guides and complex sliding mechanisms, reducing device complexity while maintaining ease of operation.
Solution Approach 2:
Instead of using a ratchet slide that moves within a guide, the patent inverts the approach by having the movable claw itself serve as the release mechanism through the finger tab. The claw is directly actuated by finger pressure, eliminating the intermediary ratchet slide component.
2Reliability
If elastic extensions are used for mounting on a standard rail, then the device can be securely attached, but the depth of the device increases considerably
Solution Approach 1:
The patent uses elastic extensions that can dynamically adjust to mounting conditions. These extensions are integrated into the housing structure, allowing them to flex and adapt to the standard rail geometry without requiring excessive depth, thus maintaining both security and compact dimensions.
Solution Approach 2:
The elastic extensions are merged with the housing structure itself rather than being separate components. This integration allows the mounting function to be achieved within the existing housing depth, eliminating the need for additional external mounting brackets or extensions that would increase overall device depth.
3Ease of operation
If a protruding pawl with lever for releasing is used, then the latching mechanism can be unlocked, but a lot of space is required
Solution Approach 1:
The patent extracts the essential release function from the protruding pawl with lever mechanism and implements it through a compact finger tab. This eliminates the need for the extended pawl structure and separate lever, significantly reducing the space required while maintaining ease of operation through direct finger actuation.
Solution Approach 2:
Instead of using a protruding pawl that extends outward to provide leverage, the patent inverts the approach by providing a recessed finger tab that allows direct inward pressure on the movable claw. This inversion eliminates the need for external leverage and reduces the overall volume required for the release mechanism.
4Device complexity
If leaf spring elements are used to attach the latching mechanism to the housing, then the mechanism can be simple, but only small spring deflections can be realized and heavier devices may cause self-release
Solution Approach 1:
The patent changes the spring force parameter by using elastic extensions with optimized geometry and material properties. These extensions provide sufficient deflection and force to securely hold heavier devices on the standard rail, overcoming the limitations of conventional leaf spring elements while maintaining mechanism simplicity.
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
Enables easy removal of the device from the standard rail without tools, provides a secure and compact locking mechanism, and reduces the overall depth of the housing, making it suitable for heavier devices and tight spaces.
Implementation Method 1
A spring structure (5a, 5b) is provided, which is connected to the lower movable claw (4) by means of a connecting element (6)
Data Source
Figure 1~2
Figure 3
AI summary
The housing has a housing rear wall (1) including a hanging and detent mechanism for fastening on a standard rail. The mechanism includes immovable upper claws (2a, 2b) and a movable lower claw (4), where a lower housing rear wall section (3) is designed opposite to the upper claws. The rear wall section is connected with the lower claw by spring packets (5a, 5b). The lower claw is connected with a finger tab (7) by a connecting element (6) i.e. vertical bar. The tab projects above a lower housing wall. The housing rear wall is integrally designed with the claws, the packets and the tab.