Door Lock Adjustable Fastening for Variable Thickness
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing door locks are limited in their versatility due to design dependencies on specific door thicknesses, leading to potential damage or insecure fastening when used on doors that are either too thick or too thin, as they require adjustment or specific fastening elements to function effectively.
Innovation Solution
A door lock with an adjustable fastening element featuring a bayonet-style connection and an adjustment device that allows for adjustable contact pressure, enabling secure fastening across various door thicknesses without the need for pre-adjustment or specific elements, and facilitating easy assembly and disassembly without additional tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed fastening element is used to attach the locking element to the door, then the assembly is simple, but the door lock cannot be securely fastened on doors of different thicknesses
Solution Approach 1:
The fastening element incorporates an adjustment device with movable components that can dynamically adapt to different door thicknesses. The fastening element includes a first part attached to the locking element and a second part that can be positioned at different distances from the first part, allowing the system to accommodate varying door thicknesses while maintaining secure fastening.
2Reliability
If the door is too thick, then the locking element can be inserted, but the fastening element causes damage or scratches on the door
Solution Approach 1:
The adjustment device allows changing the positional parameter of the fastening element relative to the door. By adjusting the distance between the first and second parts of the fastening element, the system can optimize the contact pressure and positioning to prevent damage to the door while ensuring secure fastening, even on thicker doors.
3Ease of operation
If the door is too thin, then the locking element can be inserted, but the locking element cannot be securely fastened to the door
Solution Approach 1:
The adjustment device enables the fastening element to dynamically adapt to thin doors by reducing the distance between its parts. This dynamic adjustment allows the fastening element to maintain adequate contact pressure and secure attachment even when the door thickness is insufficient for standard fastening configurations.
4Reliability
If pre-adjustment or specific fastening elements are used for different door thicknesses, then secure fastening is achieved, but the assembly process becomes more complex and time-consuming
Solution Approach 1:
The adjustment device is designed to be self-adjusting during the assembly process. The user can simply insert the locking element and the adjustment device automatically positions the fastening element at the appropriate distance, eliminating the need for pre-adjustment or selection of specific fastening elements for different door thicknesses.
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
The solution allows for a single door lock to be used on doors of different thicknesses, preventing damage and ensuring secure fastening, while enabling quick and tool-free assembly and disassembly, thus addressing the limitations of existing door lock designs.
Implementation Method 1
The fastening element may be frictionally connected to the door in the fastening position
Data Source
AI summary
The invention relates to a door lock with a locking element (1) for locking the door (3) in a closed state and a fastening element (2) for fastening the locking element (1) to the door (3), wherein that the fastening element (2) has an adjustable adjustment device (4) to compensate for different door thicknesses.