Three-Section Linkage Drawer Slides with Separate Rack Assembly
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Solution Overview
Problem
Existing three-section linkage drawer slides require high precision in mounting, leading to increased production difficulties and costs, and lower production efficiency due to complex assembly processes.
Innovation Solution
A three-section linkage drawer slides apparatus with separate upper and lower linkage racks, featuring detachable wheel frames and gear assemblies, simplifies manufacturing and assembly by allowing quick integration and disintegration, facilitating the use of components across different lengths and improving sliding performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a prior art three-section linkage drawer slide is used, then the drawer slide has flexible movement and lower resistance during sliding, but the complex parts cause high difficulties in assembling, with production difficulties and costs increased while production efficiency lowered
Solution Approach 1:
The drawer slide is divided into three independent rails (first rail, second rail, third rail) that can be assembled separately and then connected together. Each rail can be manufactured and prepared independently, reducing assembly complexity while maintaining the flexible three-section linkage structure that provides good sliding performance
Solution Approach 2:
Connection components serve as intermediaries between the rails, facilitating easy assembly and disassembly. These connection mechanisms enable the rails to be quickly joined and separated without complex procedures, resolving the contradiction between assembly ease and structural functionality
2Reliability
If high precision mounting is required, then the sliding performance is improved, but production difficulties and costs are increased while production efficiency is lowered
Solution Approach 1:
By segmenting the drawer slide into separate rails and connection components, the system allows for standardized manufacturing of each part. This segmentation enables parallel production and simplifies quality control, improving production efficiency while maintaining reliable sliding performance through precise but manageable manufacturing requirements
Solution Approach 2:
The connection components are designed to be universal, allowing the same components to be used across different drawer slide configurations. This universality simplifies manufacturing and assembly processes, reducing production time and costs while ensuring consistent sliding performance across all units
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 reduces manufacturing costs and enhances production efficiency by simplifying the assembly process, facilitating easy assembly and disassembly, and improving sliding performance through the use of separate structures and gear assemblies.
Implementation Method 1
a gear assembly (6), wherein the gear assembly (6) is provided on the middle rail (2)... the gear assembly (6) includes a mounting seat (61) and a gear (62)... the upper end and the lower end of the gear (62) are respectively connected with the upper linkage rack (4) and the lower linkage rack (5)... a rack adapted to the gear (62) is provided on the upper linkage rack (4) and the lower linkage rack (5), respectively
Implementation Method 2
The middle rail (2) is slidably connected to the fixed rail (3) through the lower linkage rack (5), the upper rail (1) is slidably connected to the middle rail (2) through the upper linkage rack (4)
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The invention discloses a three-section linkage drawer slides apparatus, including an upper rail (1), a middle rail (2), a fixed rail (3), an upper linkage rack (4), and a lower linkage rack (5S, 5), wherein the middle rail (2) is slidably connected to the fixed rail (3) through the lower linkage rack (5S, 5), the upper rail (1) is slidably connected to the middle rail (2) through the upper linkage rack (4), the upper linkage rack (4) and the lower linkage rack (5S, 5) are of separate structures, the upper linkage rack (4) is mounted between the middle rail (2) and the upper rail (1) after being assembled, and the lower linkage rack (5S, 5) is mounted between the fixed rail (3) and the middle rail (2) after being assembled. According to the invention, the upper linkage rack (4) and the lower linkage rack (5S, 5) are configured as separate structures, the manufacturing process can thus be simplified, so the manufacturing cost is reduced; the separate structures can be quickly assembled into an integrated structure and shared in drawer slides with different lengths, which reduces the production and assembly difficulty, facilitates assembling and disassembling the drawer slide device, renders good sliding performance, and greatly improves production efficiency.