Drawer Frame Clamping for Variable-Thickness Bottom Panels
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Solution Overview
Problem
Existing drawer designs are structurally complex and limited to specific thicknesses, requiring additional processing for different drawer base thicknesses and widths, making it difficult to install bases of varying thicknesses without additional post-processing.
Innovation Solution
The design incorporates clamping means with variable clamping distances and a rolled-up web or tongues on the drawer frames that interact with the drawer bottom, allowing for easy installation of drawer bottoms of different thicknesses without additional processing, using tools to adjust the clamping mechanism for various thicknesses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional mounting methods with grooves, bores, or webs are used to hold the drawer bottom, then the drawer bottom can be effectively secured to the frame, but the construction becomes structurally complex and requires additional processing of the drawer bottom
Solution Approach 1:
The drawer frame edge is designed as a dynamic clamping mechanism that can be deformed by rolling it up using a shaping tool. This dynamic deformation allows the frame to clamp the drawer bottom securely without requiring complex static structures like grooves, bores, or webs in the drawer bottom.
Solution Approach 2:
Instead of modifying the drawer bottom to fit the frame (as in traditional methods), the invention inverts the approach by having the frame itself deform and adapt to clamp the drawer bottom. The frame edge is rolled up to create the clamping action, reversing who adapts to whom.
2Reliability
If traditional mounting methods are used, then the drawer bottom can be held on the frame, but additional post-processing of the drawer base is required
Solution Approach 1:
The drawer frame performs the mounting function through its own deformable edge that clamps the drawer bottom. The frame serves itself to create the secure connection without requiring separate fasteners, adhesives, or post-processing of the drawer bottom, making the installation process simpler and more direct.
3Adaptability or versatility
If stepped profiles on drawer side walls are used to support different thicknesses, then drawer bottoms of different thicknesses can be used, but different widths of drawer bottoms are required
Solution Approach 1:
The invention changes the parameter of the frame edge from a fixed stepped profile to a dynamically deformable clamping mechanism. By rolling up the frame edge to different degrees, the clamping distance adjusts to accommodate drawer bottoms of various thicknesses, eliminating the need for fixed width constraints associated with stepped profiles.
4Device complexity
If fixed clamping distance designs are used, then the structure is simple, but drawer bottoms of different thicknesses cannot be installed
Solution Approach 1:
The clamping mechanism is made dynamic through the rollable frame edge. The frame edge can be deformed to different extents, creating variable clamping distances that adapt to drawer bottoms of different thicknesses while maintaining overall structural simplicity without requiring multiple fixed-distance components.
Data Source
Figure 1
Figure 2~5
Figure 6~9
AI summary
Drawer (1) with drawer frames (2, 3) on which fastening means (6) for fastening a drawer base (4) are arranged, with a lug (37) towards the drawer center on the side walls of the drawer frames (2, 3) pointing towards the center of the drawer against the underside of which, which is perpendicular to the respective frame side wall, an upper side of the drawer bottom (4) can be pressed, the fastening means (6) being in one piece with the drawer frames (2, 3) or the connecting elements (28) and with the lug (37 ) interacting clamping means are formed with a variable clamping distance and that drawer bottoms (4) of different thicknesses can be fixed with the fastening means (6).