Tool-Free Locking Mechanism for Shower Door Track-to-Frame Assembly
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Solution Overview
Problem
The existing installation methods for shower door assemblies are time-consuming and labor-intensive due to the risk of screws slipping or breaking, requiring excessive manual effort and auxiliary tools.
Innovation Solution
A connecting device comprising a retaining member with a lug, a connecting member with a hook, and a locking member that allows for secure attachment of the horizontal track to the vertical side frame without additional tools, utilizing a locking mechanism that rotates from an unlocked to a locked position for relative fixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If screws are used to mount the horizontal track and vertical side frame together, then the connection can be achieved, but the installation is time-consuming and screws may slip or fracture requiring much labor
Solution Approach 1:
The patent replaces the traditional screw-based mechanical fastening system with a cam mechanism-based locking system. The cam mechanism converts rotational motion into linear motion to engage locking protrusions with locking holes, eliminating the need for screws and auxiliary tools, thereby reducing installation time and complexity while improving reliability
Solution Approach 2:
The patent employs a dynamic locking mechanism where the cam can rotate between different positions to transition between locked and unlocked states. This dynamic system allows for quick engagement and disengagement of the horizontal track and vertical side frame without requiring manual screw tightening or tool assistance
2Ease of manufacture
If holes are provided to the vertical side frame for screw installation, then the horizontal track and vertical side frame can be mounted together, but the installation method requires auxiliary tools and is labor-intensive
Solution Approach 1:
The patent extracts the auxiliary tools (screws, screwdrivers) from the installation process by implementing an integrated locking mechanism. The cam mechanism and locking protrusions are built into the structure of the horizontal track and vertical side frame, allowing direct hand-operated assembly without external fastening elements
Solution Approach 2:
The locking mechanism is designed to be self-contained and self-operating. The cam mechanism itself performs the locking action through rotational motion, and the structure provides its own alignment and engagement features, eliminating the need for external tools or complex assembly procedures
Data Source
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AI summary
The present invention relates to the field of sanitary and bathing devices, and particularly to a connecting device for connecting a horizontal track to a vertical side frame of a shower door assembly, and a shower door assembly including the connecting device. The connecting device may comprise: a retaining member capable of being retained to an end of the horizontal track and provided with a lug protruding away from the horizontal track; a connecting member capable of being provided within the vertical side frame at a position facing the opening, having a width larger than that of the opening, and being provided with a hole, the lug passing through and extending out of the hole; and a locking member provided with a connecting portion hinged to a part of the lug that extends out of the hole through which the lug passes, the connecting portion being provided with a projection, wherein the locking member is in a locked position when the projection abuts against the connecting member, and is in an unlocked position when the projection is away from the connecting member. The shower door assembly comprises: a horizontal track; a vertical side frame provided on an end with a vertical opening; and the above connecting device for connecting the horizontal track to the vertical side frame.