Quick-assembly table frame
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Solution Overview
Problem
Existing adjustable tables require time-consuming and labor-intensive assembly and disassembly due to bolted connections, and existing quick-assembly solutions still face similar inefficiencies.
Innovation Solution
A quick-assembly table frame design featuring mounting blocks and control members in drive boxes, with mounting grooves in the rack, allowing for detachable connections using drive handles and springs, and alternative fixing methods such as elastic clamping blocks and anti-slip pads to facilitate easy assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional screw connections are used to assemble table frames, then connection strength is improved, but assembly time and labor consumption increase
Solution Approach 1:
The connection structure is segmented into separate functional components: positioning blocks for alignment, limiting blocks for connection, and elastic clamping blocks for fixation. This segmentation allows each component to perform its specific function efficiently, enabling quick assembly while maintaining connection strength.
Solution Approach 2:
The elastic clamping blocks automatically clamp the positioning blocks through elastic deformation when the limiting blocks are inserted. This self-service mechanism eliminates the need for additional fastening operations, reducing assembly time while ensuring secure connections.
2Reliability
If traditional bolted connections are used, then connection reliability is improved, but ease of assembly and disassembly deteriorates
Solution Approach 1:
The positioning blocks are pre-formed with positioning grooves that guide the limiting blocks into the correct position during assembly. This preliminary positioning action ensures reliable connections while simplifying the assembly process, as users only need to insert the limiting blocks without complex alignment procedures.
Solution Approach 2:
The traditional mechanical bolted connection system is replaced with an elastic deformation-based clamping mechanism. The elastic clamping blocks use elastic force to secure the limiting blocks, providing reliable connections through a simpler insertion-and-clamp operation rather than threaded fastening.
3Productivity
If quick-assembly mechanisms are used, then assembly speed is improved, but connection stability may deteriorate
Solution Approach 1:
Different blocks have specialized local qualities optimized for their specific functions: positioning blocks have precise geometric shapes for alignment, limiting blocks have insertion-friendly geometries, and elastic clamping blocks have elastic properties for secure fixation. This local optimization ensures both quick assembly and stable connections.
Solution Approach 2:
The limiting blocks are nested within the drive boxes after insertion, and the elastic clamping blocks envelop the positioning blocks through elastic deformation. This nesting structure provides stable connections while maintaining a compact assembly process, as the components fit together hierarchically without requiring multiple separate fastening steps.
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 design enables quick and effortless assembly and disassembly of table components, reducing labor and time, while providing stable and secure connections without the need for traditional bolted connections.
Implementation Method 1
elastic clamping blocks correspond to the positioning blocks, and the elastic clamping blocks are used for clamping the positioning blocks
Data Source
AI summary
A quick-assembly table frame comprises: pillars, drive boxes being disposed at tops of the pillars, and table bases being connected to bottoms of the pillars; a rack connected to the drive boxes; and side plates connected to two sides of the rack and configured to install a table board. Mounting blocks are disposed in the drive boxes, mounting grooves are correspondingly formed in an inner side of the rack, control members are disposed in the drive boxes, and the control members control the mounting blocks to rotate to be limited in the mounting grooves, such that the pillars are detachably connected to the rack. The mounting blocks and the control members are disposed in the drive boxes, the control members stretch out of the drive boxes, the mounting grooves are correspondingly formed in the rack, and when the rack and the pillars are assembled, the control members control the mounting blocks to be limited in the mounting grooves, such that the rack and the drive boxes are fixedly connected, the drive boxes and the pillars are fixedly connected, and thus, the pillars and the rack are fixedly connected. A fixing method based on bolted connection is replaced, assembly and disassembly are easy, and labor and time are saved.