Hooked Wall Anchor Assembly for Tool-Free Profile Rail Mounting
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Solution Overview
Problem
Existing mounting systems for sanitary ware are complex and require multiple elements and tools for assembly, making them cumbersome and inefficient.
Innovation Solution
A wall anchor with an anchor plate and two hooks that engage with a profile rail via a pivoting movement, allowing tool-free and secure attachment without displacement, featuring a fastening section for a single screw attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional fastening systems with multiple elements (anchor screw, nut, washer, hook-head screw) are used, then the connection strength is sufficient, but the assembly complexity increases and tool-free mounting becomes difficult
Solution Approach 1:
The patent combines multiple fastening elements into a single integrated wall anchor component. The anchor plate with integrated hooks eliminates the need for separate anchor screws, nuts, washers, and hook-head screws, allowing tool-free mounting while maintaining connection strength through the integrated hook design that engages with the profile rail.
Solution Approach 2:
The wall anchor serves multiple functions simultaneously: it provides anchoring to the wall, creates threaded engagement for the mounting screw, and forms hook connections with the profile rail. This multi-functional design consolidates what would traditionally require multiple separate components into a single universal mounting element.
2Ease of operation
If simple attachment methods are used, then the assembly is easy and tool-free, but the connection strength and stability under axial forces may be insufficient
Solution Approach 1:
The integration of the anchor plate with two strategically positioned hooks creates a unified structure that simultaneously provides easy snap-in installation and robust mechanical strength. The hooks engage with projections on the profile rail to resist axial forces, while the anchor plate provides wall anchoring and threaded engagement, achieving both ease of assembly and connection strength.
Solution Approach 2:
The hooks are designed with curved geometries that allow them to snap into engagement with the profile rail projections. This curved design enables tool-free installation through a simple snapping motion while the resulting interlocked configuration provides strong resistance to axial forces in both tension and compression directions.
3Reliability
If the hooks are designed for firm connection under axial forces, then the connection stability improves, but the mounting process may require more complex mechanisms
Solution Approach 1:
The hooks are designed to automatically engage with the profile rail projections through a simple pivoting insertion motion. The geometry of the hooks and projections creates a self-locking mechanism that ensures firm connection under axial forces without requiring additional fastening steps, tools, or complex adjustment mechanisms.
Solution Approach 2:
The curved design of the hooks allows them to pivot during insertion and then lock into place against the profile rail projections. This geometric design achieves reliable connection stability through the natural mechanics of the curved surfaces engaging, eliminating the need for complex fastening mechanisms while maintaining strength under axial loads.
Data Source
Figure 1~2
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Figure 5~6
AI summary
A wall anchor (1) comprises an anchor plate (2) with a front surface (3) and a rear surface (4), a fastening section (5) projecting from the front surface (4) of the anchor plate (2), which extends along a central axis (M) and which has a threaded structure (6) for receiving an anchor screw (7), and two hooks (8, 9) projecting from the rear surface (4) of the anchor plate (2), wherein the hooks (8, 9) are designed such that the wall anchor (1) can be firmly connected to the profile rail (18) with respect to forces acting in the direction of the central axis (M) via projections (21) of a profile rail (18).