Drawer Slide Height Adjustment with Tool-Free Stepless Positioning
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Solution Overview
Problem
Existing slide adjusting devices for drawers lack the ability for fine adjustments due to spaced gear teeth structures and often require tools for adjustment, making them inconvenient for users.
Innovation Solution
A slide adjusting device comprising a first rail member, a fixture with engaging portions, a supporting member with guiding surfaces, and an adjusting member with a connecting rod that allows for stepless height adjustment of the drawer by meshing engaging portions, enabling users to adjust the drawer height without needing tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If spaced gear teeth structure is used as locating means, then the drawer can be positioned at discrete height levels, but fine adjustment is not possible due to the spaced distance of the gear teeth
Solution Approach 1:
The adjusting member is divided into two functional parts: a gear portion with gear teeth for coarse positioning, and a rack portion with a gear tooth-shaped groove for fine adjustment. This segmentation allows the mechanism to achieve both discrete positioning and continuous fine-tuning of drawer height.
Solution Approach 2:
The gear portion and rack portion are integrated into a single adjusting member structure. The gear teeth engage with first engaging portions for positioning, while the gear tooth-shaped groove engages with second engaging portions for fine adjustment, combining both functions in one component.
2Ease of operation
If traditional adjustment mechanisms are used, then positioning function is provided, but tool is required for adjustment which is not convenient to the user
Solution Approach 1:
The adjusting member is designed to be manually operated by the user without requiring external tools. The gear portion and rack portion engage with engaging portions on the supporting member to enable direct manual adjustment of the drawer height.
3Adaptability or versatility
If spaced gear teeth structure is used, then positioning function is achieved, but stepless adjustment is not possible
Solution Approach 1:
The adjusting member is divided into a gear portion for coarse positioning and a rack portion for fine adjustment. The gear teeth provide discrete positioning levels while the gear tooth-shaped groove in the rack portion enables continuous stepless adjustment between these levels.
Solution Approach 2:
The mechanism transitions from static discrete positioning (gear teeth) to dynamic continuous adjustment (rack portion with gear tooth-shaped groove), allowing the drawer to be adjusted to any height within the adjustment range, not just at fixed intervals.
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
Enables adjustable and positionable drawer height with a stepless adjustment mechanism, allowing users to easily adjust the drawer's height without requiring tools, providing a convenient and precise positioning function.
Implementation Method 1
the second engaging portions at the two ends of the connecting rod moving and meshing with the first engaging portions of the connecting surface
Implementation Method 2
the supporting portion of the supporting member moving in relation to the first opening of the first rail member with the connecting portion as a fulcrum
Data Source
AI summary
A slide adjusting device for a drawer includes a first rail member having a first opening; a fixture secured to the first rail member; a supporting member including a connecting portion, a supporting portion, and a guiding portion, the connecting portion being connected to the fixture, the supporting portion corresponding in position to the first opening, the guiding portion comprising a guiding surface, the fixture or the supporting member being provided with a plurality of first engaging portions; an adjusting member including an adjusting portion and a connecting rod driven by the adjusting portion, the connecting rod being provided with a plurality of second engaging portions. When the adjusting portion is turned, the second engaging portions will be driven to move and mesh with the first engaging portions and the supporting portion will move in relation to the first opening with the connecting portion as a fulcrum to hold against the bottom of the drawer.