Electrical Installation Device With V-Shaped Sliding Piece
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Solution Overview
Problem
Existing electrical installation devices face challenges in achieving correct and secure installation directly on a wall, particularly due to lack of effective height compensation and play prevention, which complicates the installation process.
Innovation Solution
The design incorporates a robust carrier with integrally molded sliding pieces featuring a V-shaped contour, providing spring properties and high contact forces for automatic height adjustment and secure fixing, ensuring no play on the wall, along with adhesive and screw mounting options for enhanced stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the electrical installation device is attached directly to the wall without an installation box, then the installation flexibility is improved, but the installation correctness and stability deteriorate due to lack of automatic height compensation
Solution Approach 1:
The sliding piece changes its position parameter along the guideway to compensate for height variations in the installation location. The V-shaped contour allows the sliding piece to automatically adjust its vertical position while maintaining horizontal alignment, thus adapting to different wall heights without requiring precise pre-installation measurements
Solution Approach 2:
The sliding piece with spring properties performs self-adjustment of the installation height through its elastic deformation. When the functional module is mounted, the sliding piece automatically moves along the guideway and settles at the correct position based on the wall's actual height, eliminating the need for manual adjustment or complex alignment procedures
2Length of stationary object
If fastening means with low overall height are used, then the device compactness is improved, but the contact force and securing reliability deteriorate
Solution Approach 1:
The V-shaped contour of the sliding piece creates a geometric mechanism that converts small vertical movements into large horizontal contact forces. The angled surfaces of the V-shape act as mechanical levers, multiplying the contact force between the fastening means and the wall while maintaining a compact overall height
Solution Approach 2:
The sliding piece incorporates spring properties that allow it to dynamically adjust and maintain optimal contact force. The elastic element stores and releases mechanical energy, ensuring continuous high contact force during installation and operation, while the sliding mechanism allows the structure to adapt to minor wall irregularities
3Reliability
If multiple fastening methods (adhesive and screw mounting) are provided, then the installation reliability is improved, but the device complexity increases
Solution Approach 1:
The carrier is designed with dual functionality: it can be mounted using either adhesive or screw fastening methods. The recesses in the carrier accommodate both mounting approaches, allowing the same component to serve multiple installation purposes. This multi-functionality increases reliability by providing backup mounting options while avoiding the need for separate specialized components for each method
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
This solution enables simple, safe, and secure installation directly on a wall with automatic height compensation, ensuring a snug fit and robust attachment, improving installation comfort and reliability.
Implementation Method 1
the sliding piece has spring properties due to its V-shaped contour
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The apparatus has a carrier (3) for safe and position-accessible fastening of the apparatus on a wall. A hook-shaped attaching unit (10) is arranged at the carrier and comes in contact with an attachment element i.e. sliding piece (9), that is attached at a housing of a functional module (1). An intermediate frame (6) is provided in the housing of the functional module and has a guide track (8). The attachment element is slidably supported in the guide track and cooperates with the attaching unit for fastening the functional module at the carrier. The carrier and/or the attachment element are partially made of plastic or metal.