Mounting Plate Pilot Pins for Accessible Module Retention
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Solution Overview
Problem
Mounting heavy door closers or door operating devices with multiple electrical and mechanical functions onto a mounting plate is difficult, especially when the devices are overhead, due to the inaccessibility of clamping elements and the need for special tools to release them.
Innovation Solution
The mounting plate incorporates pilot pins that guide and self-retain modules in a predetermined position, allowing easy placement and removal without special tools, with latching mechanisms for secure attachment and different fastening patterns for versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If gooseneck-shaped clamping elements are used for temporary mounting, then the module can be temporarily retained, but special tools are needed to release them and they become inaccessible when mounted close to walls or ceilings
Solution Approach 1:
The pilot pins are extracted from the mounting plate and inserted into corresponding holes in the module from the module side. This allows the mechanic to manipulate and remove the pins from the accessible module side rather than from the inaccessible mounting plate side, solving the accessibility problem while maintaining temporary retention capability
Solution Approach 2:
The pilot pins act as intermediary elements that connect the mounting plate to the module. By having the pins pass through the mounting plate and be accessible from the module side, they serve as a mediator that enables temporary retention while allowing easy removal through the accessible module side without requiring special tools
2Manufacturing precision
If heavy door operating devices are mounted overhead, then the module can be installed in the required position, but the installation work becomes difficult due to inaccessibility and overhead positioning
Solution Approach 1:
The pilot pins are pre-installed in the mounting plate before the module is mounted. This preliminary action creates ready-to-use positioning and retention features that guide the module into the correct position and provide immediate temporary retention, simplifying the overhead installation process by eliminating the need for complex alignment and securing operations
Solution Approach 2:
The pilot pins with their protruding heads on the module side enable the module to be self-retained on the mounting plate through simple insertion and positioning actions. The mechanic can easily manipulate the pins from the accessible module side to achieve proper positioning and temporary retention without requiring complex tools or difficult overhead maneuvers
Data Source
AI summary
An assembly plate and a method for arranging at least one module in a housing body, including an assembly side for assembly in the housing body and an opposing module housing side for housing the module. According to the invention, the assembly plate has clip pins by means of which the module can be locked in a position on the assembly side as defined by the clip pins.