Drawer Front Panel Locking Mechanism to Prevent Tilting
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Solution Overview
Problem
Existing fastening devices for detachably attaching a front panel to a drawer often experience undesirable tilting movements when the drawer is actuated, leading to delayed movement due to the design of spring-loaded catching parts and locking mechanisms.
Innovation Solution
A fastening device with a separate, movable locking element that rests on a pre-assembled furniture fitting, allowing for optimized shaping and force distribution, and featuring a spring-loaded mechanism to secure the front panel to the drawer, with a guideway for linear movement and a wedge surface for effective locking and easy assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a spring-loaded catch mechanism is used to automatically lock the front panel to the drawer, then the attachment process is simplified and automated, but tilting movements occur during drawer operation causing delayed movement
Solution Approach 1:
The locking mechanism is divided into two independent functional elements: a catch element for automatic locking during insertion, and a separate locking element that can be independently actuated to provide additional stabilization. This segmentation allows each element to be optimized for its specific function without interfering with the other.
Solution Approach 2:
The locking element is designed to be movable along a guideway, transitioning between a locked position (protruding to contact the furniture fitting) and an unlocked position (retracted). This dynamic design allows the system to adapt its locking force during operation, preventing tilting movements while maintaining ease of insertion.
2Stability of the object's composition
If a locking device with a movable locking element is added to prevent tilting, then panel stability is improved, but the device complexity increases
Solution Approach 1:
The movable locking element serves multiple functions: it provides additional stabilization to prevent tilting during drawer operation, and when retracted, it allows easy insertion and removal of the furniture fitting. The same structural component thus addresses both stability and ease of operation requirements.
Solution Approach 2:
The locking element is integrated within the existing catch device structure, moving along a guideway that is part of the mounting device housing. This nesting approach minimizes additional space requirements and reduces overall structural complexity despite adding functional capability.
3Force
If the locking element is designed to rest against the furniture fitting, then the holding force is optimized and component size is reduced, but the risk of unintentional release increases
Solution Approach 1:
The locking element is spring-loaded, allowing it to automatically move into the locked position (protruding to contact the furniture fitting) without manual intervention. The spring force ensures consistent engagement while the guideway constraints prevent misalignment or accidental disengagement.
Solution Approach 2:
The locking element features an asymmetric design with a wedge-shaped surface that contacts the furniture fitting at a specific angle. This asymmetric geometry provides strong holding force in the locked position while the guideway structure prevents reverse movement that could lead to unintentional release.
4Shape
If a wedge-shaped surface is used on the locking element, then the contact surface shape is optimized and force application is simplified, but manufacturing precision requirements increase
Solution Approach 1:
The furniture fitting includes a pre-formed transverse bolt that serves as the contact surface for the wedge-shaped locking element. This preliminary preparation of the contact surface on the furniture fitting simplifies the manufacturing of the locking element, as the wedge surface only needs to mate with the existing bolt geometry rather than requiring high-precision machining of both components.
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 provides stable and efficient attachment of the front panel to the drawer, minimizing the risk of unintentional release and allowing for easy assembly and adjustment, while maintaining compact dimensions and reducing wear and tear.
Implementation Method 1
By spring-loadedly pushing the pre-mounted furniture fitting towards the drawer, a force storage device in the form of at least one spring can be provided in a simple, cost-effective, and low-wear manner
Implementation Method 2
By having the locking element rest against the pre-mountable furniture fitting with a wedge-shaped surface in a locked position, a particularly advantageous shape of the contact surface between the locking element and the pre-mountable furniture fitting can be achieved
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3
AI summary
The invention relates to a securing device (1) for detachably securing a front panel (93) on a drawer (90), in particular on a drawer side wall (92), comprising at least one furniture fitting (94) that can be pre-mounted on the front panel (93), a catch device (2) assigned to the drawer (90), wherein, during the sliding in of the furniture fitting (94), the catch device (2) automatically holds same and the catch device (2) has a movable catch element (20), as well as comprising a locking device (3) that prevents an unintended release of the furniture fitting (94) from the securing device (1), wherein the locking device (3) has a movable locking element (30) which is separate from the catch element (20), and which is positioned on the pre-mountable furniture fitting (94) in a locked position.