Recessed Pushbutton Mounting With Adapter Spacer and Anti-Twist Lock
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Solution Overview
Problem
Existing command and signaling devices with recessed front panel installations face challenges in meeting all system requirements, particularly in ensuring a secure connection between the actuator and switching elements, which is crucial for safety applications like emergency stop control devices, where incorrect assembly or force can lead to mechanical separation and render the device non-functional.
Innovation Solution
Incorporating an adapter part designed as a spacer between the front panel and holder, made of conductive die-cast zinc with anti-twist tips, which transfers clamping force and grounding to the front panel, allowing all system components to be adapted for recessed installation, ensuring a secure and flush fit of the pushbutton and actuator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an adapter part is added between the front panel and holder to enable recessed mounting, then adaptability for different mounting types is improved, but device complexity increases due to additional components
Solution Approach 1:
An adapter part is introduced as an intermediary component between the front panel and the holder. This adapter serves multiple functions: it enables recessed mounting by providing a mounting surface on the rear side of the front panel, maintains the mechanical connection between the actuator and switching elements, and ensures proper positioning of the push button flush with the front panel surface.
Solution Approach 2:
The adapter part is designed to be universally applicable across different actuator types and mounting configurations. It provides both recessed mounting capability and maintains compatibility with existing holder designs, allowing the same basic actuator components to be used for both flush and recessed mounting applications.
2Reliability
If the actuator is securely connected to the holder to prevent mechanical separation, then reliability is improved, but ease of manufacture worsens due to additional fastening requirements
Solution Approach 1:
The adapter part combines multiple functions into a single component: it serves as both the mounting interface for the front panel and the connection interface for the holder. The switching elements are mechanically connected to both the adapter and the holder, creating a unified structural assembly that prevents mechanical separation while simplifying the overall assembly process.
3Shape
If the push button is positioned flush with the front panel for recessed mounting, then aesthetic appearance is improved, but manufacturing precision requirements increase to ensure proper alignment
Solution Approach 1:
The adapter part is designed with integrated positioning features that enable the push button to self-align flush with the front panel surface during assembly. The adapter's structure includes reference surfaces and mounting features that automatically ensure proper positioning, eliminating the need for complex external alignment procedures or specialized tooling.
Data Source
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AI summary
The invention relates to a control and signaling device with a recessed front panel mounting, comprising an actuator (1) having a cylindrical base body (2) and a push button (3), a front panel (4) through which the cylindrical base body (2) of the actuator (1) is guided and which is flush with the push button (3) of the actuator (1), and a holder (5) which is attached to the cylindrical base body (2) of the actuator (1). The invention is characterized in that an adapter part (6) is mounted on the cylindrical base body (2) of the actuator (1) between the front panel (4) and the holder (5), which acts as a spacer between the front panel (4) and the holder (5), so that the push button (3) of the actuator (1) is flush with the front panel (4).