Offset Device Socket for Flush Wall Installation
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Solution Overview
Problem
Existing electrical installation systems for buildings result in a protruding device structure due to the need for minimum distances to live contacts, making precise alignment and installation cumbersome, especially for multiple row arrangements of switches and sockets.
Innovation Solution
A new type of device socket with a support level offset from the mounting surface, allowing for deeper insertion and precise positioning of devices within a device box, along with a specially adapted cover frame and flush-mounted box design for simplified and accurate installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If individual device sockets are installed with minimum distances to live contacts, then safety requirements are met, but the device structure protrudes far from the wall
Solution Approach 1:
The patent applies dimensionality change by offsetting the device support level vertically within the device box relative to the mounting surface. The device support level is positioned at a first level while the contact surface is at a second level, creating a vertical offset that allows the device insert to be supported deeper within the box. This reduces the horizontal protrusion distance while maintaining the required safety distances through the vertical offset mechanism.
2Manufacturing precision
If multiple installation devices are arranged in rows with precise alignment, then accurate cover frame placement is achieved, but installation becomes difficult and time-consuming
Solution Approach 1:
The patent implements self-service through self-aligning features where the device insert includes positioning elements that automatically align with corresponding features in the device box. The support element and device insert are designed with inherent alignment characteristics that guide proper positioning during insertion, eliminating the need for manual alignment tools or complex adjustment procedures. This allows multiple devices to be installed quickly without sacrificing precision.
3Length of moving object
If device inserts are inserted deeper into the device box, then a flatter overall construction is achieved, but the support element must be positioned lower relative to the mounting surface
Solution Approach 1:
The patent applies segmentation by dividing the support structure into distinct components: a support element with a support surface, a device insert with device contacts, and a device box with an offset support level. This segmentation allows the support element to be positioned at the offset support level while the device insert extends upward to provide contacts at the required height. The segmented structure enables the flatter overall construction while maintaining proper contact positioning through the layered arrangement of components.
Data Source
Figure 1
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AI summary
The system has a equipment socket (16) to be installed at building side, where each installation device (2) consists of a equipment insertion, which is insertable in the socket. The socket exhibits a carrying unit-support plate (24) defining a equipment-carrying section (20), and a contact surface (17). The equipment carrying section is arranged opposite to the contact surface around a parallel offset in inserting direction.