Drawer Front Eccentric Adjuster for Tilted Panel Alignment
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Solution Overview
Problem
Existing drawer systems face issues with improper assembly and tolerance, leading to drawers becoming tilted and failing to fit snugly into the drawer housing, and existing adjustable drawer face panels require manual support, making the adjustment process physically demanding.
Innovation Solution
An adjusting device for a slide rail assembly that includes a fixed member, plates, adjusting members, and locking members, allowing for angular and positional adjustment of the drawer face panel relative to the drawer housing, enabling easy alignment without manual support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual support is used to adjust the drawer face panel position, then the adjustment can be performed, but the operation becomes physically demanding
Solution Approach 1:
The adjusting device enables the drawer face panel to be adjusted through self-service operation. The user simply needs to operate the adjusting member (rotating the eccentric portion) to automatically displace the second plate and adjust the panel position, without needing to manually support the panel with hands. The device performs the adjustment action itself in response to the user's input.
Solution Approach 2:
The adjusting device acts as an intermediary mechanism between the user and the drawer face panel. Instead of directly manipulating the heavy panel, the user operates the adjusting member which then drives the eccentric portion, first plate, and second plate to achieve panel adjustment. This intermediary mechanism transforms small user inputs into the necessary panel displacement.
2Adaptability or versatility
If assembly tolerance is great or components are improperly assembled, then the drawer system becomes tolerant of errors, but the drawers become tilted and fail to fit snugly
Solution Approach 1:
The adjusting device introduces dynamic adjustability to the drawer system. The second plate can be displaced relative to the fixed member through the adjusting mechanism, allowing the drawer face panel angle and position to be dynamically adjusted after assembly. This enables correction of alignment issues caused by assembly tolerances or improper assembly, transforming a static rigid connection into an adjustable system.
Solution Approach 2:
The device changes the geometric parameters of the drawer assembly by allowing adjustment of the drawer face panel's angle and position. The eccentric portion's rotation changes the displacement distance of the first plate, which in turn changes the angle between the second plate and fixed member, thereby adjusting the panel's orientation and position to achieve proper alignment.
3Manufacturing precision
If the drawer face panel is made adjustable to correct alignment issues, then fitting precision improves, but the device complexity increases
Solution Approach 1:
The adjusting device segments the drawer assembly into distinct functional components: a fixed member (fixed to drawer housing), a first plate (connected to fixed member), a second plate (connected to first plate and drawer face panel), and an adjusting member. This segmentation allows each component to perform its specific function while enabling adjustment of the panel position and angle through coordinated movement of these segmented parts.
Solution Approach 2:
The adjusting mechanism employs a nested structure where the eccentric portion is movably connected to the first plate, which is itself connected to the fixed member. The second plate is nested between the first plate and the drawer face panel. This nested arrangement compactly integrates multiple adjustment functions within a limited space, reducing overall structural complexity while maintaining adjustment capability.
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
Facilitates precise adjustment of the drawer face panel's angle and position, ensuring proper fitting into the drawer housing, reducing physical effort and assembly errors, and enhancing the overall stability and usability of the drawer system.
Implementation Method 1
a first adjusting member (20a) including an adjusting portion (52a) and an eccentric portion (54a) connected to the adjusting portion (52a), wherein the adjusting portion (52a) contacts against the second contact portion (48) of the second plate (16), and the eccentric portion (54a) extends through the window (30) of the fixed member (12) and is movably connected to the first axial portion (38a) of the first plate (14)
Implementation Method 2
a first locking member (22a) having a portion which extends sequentially through the first contact portion (46) of the second plate (16) and then through the first hole (28a) of the fixed member (12) and is connected to the first plate (14)
Data Source
AI summary
An adjusting device includes a fixed member; first and second plates, both connected to the fixed member; a first adjusting member; and a first locking member. The fixed member has a first hole and a window. The second plate has first and second contact portions. The first adjusting member has an adjusting portion contacting against the second contact portion and has an eccentric portion extending through the window and movably connected to the first plate. The first locking member partially extends through the first contact portion and the first hole to connect with the first plate. The second plate can be displaced relative to the fixed member in response to displacement of the first adjusting member.